Modernize invertergui: MQTT write support, HA integration, UI updates

Improve MK2 frames handling

.github/workflows/docker-build.yml

@@ -19,7 +19,7 @@ jobs:
       - name: "Setup"
         uses: actions/setup-go@v3
         with:
-          go-version: '1.20'
+          go-version: '1.22'
 
       - name: Lint
         uses: golangci/golangci-lint-action@v3

.gitignore

@@ -22,3 +22,5 @@ _testmain.go
 *.exe
 *.test
 *.prof
+
+vendor/

.golangci.yml

@@ -1,22 +0,0 @@
-run:
-  deadline: 10m
-
-linters:
-  enable-all: false
-  enable:
-    - errcheck
-    - govet
-    - ineffassign
-    - typecheck
-    - dupl
-    - goconst
-    - gofmt
-    - unconvert
-    - revive
-    - staticcheck
-    - gosimple
-    - unused
-
-issues:
-  max-per-linter: 0
-  max-same-issues: 0

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine as builder
+FROM golang:1.22-alpine as builder
 
 RUN mkdir /build
 COPY . /build/

Makefile

@@ -47,7 +47,7 @@ docker:
 lint:
 	docker run --rm -it \
 		-w /src -v $(shell pwd):/src \
-		golangci/golangci-lint:v1.51 golangci-lint run \
+		golangci/golangci-lint:v1.56 golangci-lint run \
 		-v -c .golangci.yml
 
 clean:
@@ -56,3 +56,7 @@ clean:
 vendor:
 	go mod tidy
 	go mod vendor
+
+.PHONY: upgrade-vendor
+upgrade-vendor:
+	go get -u ./...

README.md

@@ -21,7 +21,7 @@ docker run --name invertergui --device /dev/ttyUSB0:/dev/ttyUSB0 -p 8080:8080 gh
 
 ## Requirements
 
-This project makes use of [Go Modules](https://github.com/golang/go/wiki/Modules). The minimum version for Go is 1.16
+This project makes use of [Go Modules](https://github.com/golang/go/wiki/Modules). The minimum supported version for Go is 1.22
 
 ## Getting started
 
@@ -37,10 +37,17 @@ Application Options:
       --cli.enabled     Enable CLI output. [$CLI_ENABLED]
       --mqtt.enabled    Enable MQTT publishing. [$MQTT_ENABLED]
       --mqtt.broker=    Set the host port and scheme of the MQTT broker. (default: tcp://localhost:1883) [$MQTT_BROKER]
-      --mqtt.client_id= Set the client ID for the MQTT connection. (default: interter-gui) [$MQTT_CLIENT_ID]
+      --mqtt.client_id= Set the client ID for the MQTT connection. (default: inverter-gui) [$MQTT_CLIENT_ID]
       --mqtt.topic=     Set the MQTT topic updates published to. (default: invertergui/updates) [$MQTT_TOPIC]
+      --mqtt.command_topic= Set the MQTT topic that receives write commands for Victron settings/RAM variables. (default: invertergui/settings/set) [$MQTT_COMMAND_TOPIC]
+      --mqtt.status_topic=  Set the MQTT topic where write command status updates are published. (default: invertergui/settings/status) [$MQTT_STATUS_TOPIC]
+      --mqtt.ha.enabled Enable Home Assistant MQTT discovery integration. [$MQTT_HA_ENABLED]
+      --mqtt.ha.discovery_prefix= Set Home Assistant MQTT discovery prefix. (default: homeassistant) [$MQTT_HA_DISCOVERY_PREFIX]
+      --mqtt.ha.node_id= Set Home Assistant node ID used for discovery topics and unique IDs. (default: invertergui) [$MQTT_HA_NODE_ID]
+      --mqtt.ha.device_name= Set Home Assistant device display name. (default: Victron Inverter) [$MQTT_HA_DEVICE_NAME]
       --mqtt.username=  Set the MQTT username [$MQTT_USERNAME]
       --mqtt.password=  Set the MQTT password [$MQTT_PASSWORD]
+      --mqtt.password-file= Path to a file containing the MQTT password [$MQTT_PASSWORD_FILE]
       --loglevel=       The log level to generate logs at. ("panic", "fatal", "error", "warn", "info", "debug", "trace") (default: info) [$LOGLEVEL]
 
 Help Options:
@@ -82,6 +89,20 @@ Battery Power: -0.659 W
 Battery Charge: 100.000 %
 ```
 
+The web UI also includes a **Remote Panel Control** section for:
+
+- Remote Panel Mode (`on`, `off`, `charger_only`, `inverter_only`)
+- Remote Panel Current Limit (AC input current limit in amps)
+- Remote Panel Standby (prevent sleep while turned off)
+
+The combined mode + current limit action maps to the same behavior as
+`set_remote_panel_state` in `victron-mk3`.
+
+The backing HTTP API endpoints are:
+
+- `GET/POST /api/remote-panel/state`
+- `GET/POST /api/remote-panel/standby`
+
 ### Munin
 
 The Munin plugin location is at /munin (http://localhost:8080/munin).
@@ -281,16 +302,97 @@ The MQTT client will publish updates to the given broker at the set topic.
 ```bash
 --mqtt.enabled    Enable MQTT publishing. [$MQTT_ENABLED]
 --mqtt.broker=    Set the host port and scheme of the MQTT broker. (default: tcp://localhost:1883) [$MQTT_BROKER]
---mqtt.client_id= Set the client ID for the MQTT connection. (default: interter-gui) [$MQTT_CLIENT_ID]
+--mqtt.client_id= Set the client ID for the MQTT connection. (default: inverter-gui) [$MQTT_CLIENT_ID]
 --mqtt.topic=     Set the MQTT topic updates published to. (default: invertergui/updates) [$MQTT_TOPIC]
+--mqtt.command_topic= Set the MQTT topic that receives write commands for Victron settings/RAM variables. (default: invertergui/settings/set) [$MQTT_COMMAND_TOPIC]
+--mqtt.status_topic=  Set the MQTT topic where write command status updates are published. (default: invertergui/settings/status) [$MQTT_STATUS_TOPIC]
+--mqtt.ha.enabled Enable Home Assistant MQTT discovery integration. [$MQTT_HA_ENABLED]
+--mqtt.ha.discovery_prefix= Set Home Assistant MQTT discovery prefix. (default: homeassistant) [$MQTT_HA_DISCOVERY_PREFIX]
+--mqtt.ha.node_id= Set Home Assistant node ID used for discovery topics and unique IDs. (default: invertergui) [$MQTT_HA_NODE_ID]
+--mqtt.ha.device_name= Set Home Assistant device display name. (default: Victron Inverter) [$MQTT_HA_DEVICE_NAME]
 --mqtt.username=  Set the MQTT username [$MQTT_USERNAME]
 --mqtt.password=  Set the MQTT password [$MQTT_PASSWORD]
+--mqtt.password-file= Path to a file containing the MQTT password [$MQTT_PASSWORD_FILE]
 ```
 
 The MQTT client can be enabled by setting the environment variable `MQTT_ENABLED=true` or flag `--mqtt.enabled`.
 All MQTT configuration can be done via flags or as environment variables.
 The URI for the broker can be configured format should be `scheme://host:port`, where "scheme" is one of "tcp", "ssl", or "ws".
 
+When `--mqtt.command_topic` is configured, the application subscribes to that topic and accepts JSON write commands.
+The recommended command for inverter control follows the same model used by `victron-mk3`:
+
+```json
+{
+  "request_id": "optional-correlation-id",
+  "kind": "panel_state",
+  "switch": "on",
+  "current_limit": 16.5
+}
+```
+
+`switch` supports `charger_only`, `inverter_only`, `on`, and `off` (or numeric values `1..4`).
+`current_limit` is in amps and optional. If omitted, only the switch state is changed.
+To update only the current limit (while preserving the last known mode), send:
+
+```json
+{
+  "kind": "panel_state",
+  "current_limit": 12.0
+}
+```
+
+If no prior mode is known (for example on a fresh broker state), this command is rejected until a mode command is sent once.
+
+Standby can be controlled with:
+
+```json
+{
+  "kind": "standby",
+  "standby": true
+}
+```
+
+Low-level writes are still supported:
+
+```json
+{
+  "kind": "setting",
+  "id": 15,
+  "value": 1
+}
+```
+
+`kind` supports `panel_state`, `setting`, and `ram_var` (with aliases for each).  
+The result is published to `--mqtt.status_topic` with status `ok` or `error`.
+
+### Home Assistant
+
+Enable Home Assistant auto-discovery with:
+
+```bash
+--mqtt.ha.enabled
+```
+
+When enabled, `invertergui` publishes retained discovery payloads and availability under:
+
+- `{topic-root}/homeassistant/availability` (`online`/`offline`)
+- `{discovery_prefix}/sensor/{node_id}/.../config`
+- `{discovery_prefix}/binary_sensor/{node_id}/.../config`
+- `{discovery_prefix}/select/{node_id}/remote_panel_mode/config` (if command topic is configured)
+- `{discovery_prefix}/number/{node_id}/remote_panel_current_limit/config` (if command topic is configured)
+- `{discovery_prefix}/switch/{node_id}/remote_panel_standby/config` (if command topic is configured)
+
+The discovered entities include battery/input/output sensors, a data-valid diagnostic binary sensor,
+plus remote panel controls for:
+
+- `Remote Panel Mode` (`on`, `off`, `charger_only`, `inverter_only`)
+- `Remote Panel Current Limit` (AC input current limit in amps)
+- `Remote Panel Standby` (prevent device sleep while off)
+
+The combined mode + current limit behavior is provided through the `panel_state` MQTT command kind,
+which mirrors `victron_mk3.set_remote_panel_state`.
+
 ## TTY Device
 
 The intertergui application makes use of a serial tty device to monitor the Multiplus.
@@ -360,4 +462,4 @@ This repos includes a [Grafana](https://grafana.com/) dashboard in the [grafana
 [release-badge]: https://img.shields.io/github/v/release/diebietse/invertergui
 [release-link]: https://github.com/diebietse/invertergui/releases
 [codecov-badge]: https://codecov.io/gh/diebietse/invertergui/branch/master/graph/badge.svg?token=xTLfEzoqYF
-[codecov-link]: https://codecov.io/gh/diebietse/invertergui
+[codecov-link]: https://codecov.io/gh/diebietse/invertergui

cmd/invertergui/config.go

@@ -1,6 +1,10 @@
 package main
 
 import (
+	"fmt"
+	"os"
+	"strings"
+
 	"github.com/jessevdk/go-flags"
 )
 
@@ -15,12 +19,21 @@ type config struct {
 		Enabled bool `long:"cli.enabled" env:"CLI_ENABLED" description:"Enable CLI output."`
 	}
 	MQTT struct {
-		Enabled  bool   `long:"mqtt.enabled" env:"MQTT_ENABLED" description:"Enable MQTT publishing."`
+		Enabled      bool   `long:"mqtt.enabled" env:"MQTT_ENABLED" description:"Enable MQTT publishing."`
-		Broker   string `long:"mqtt.broker" env:"MQTT_BROKER" default:"tcp://localhost:1883" description:"Set the host port and scheme of the MQTT broker."`
+		Broker       string `long:"mqtt.broker" env:"MQTT_BROKER" default:"tcp://localhost:1883" description:"Set the host port and scheme of the MQTT broker."`
-		ClientID string `long:"mqtt.client_id" env:"MQTT_CLIENT_ID" default:"interter-gui" description:"Set the client ID for the MQTT connection."`
+		ClientID     string `long:"mqtt.client_id" env:"MQTT_CLIENT_ID" default:"inverter-gui" description:"Set the client ID for the MQTT connection."`
-		Topic    string `long:"mqtt.topic" env:"MQTT_TOPIC" default:"invertergui/updates" description:"Set the MQTT topic updates published to."`
+		Topic        string `long:"mqtt.topic" env:"MQTT_TOPIC" default:"invertergui/updates" description:"Set the MQTT topic updates published to."`
-		Username string `long:"mqtt.username" env:"MQTT_USERNAME" default:"" description:"Set the MQTT username"`
+		CommandTopic string `long:"mqtt.command_topic" env:"MQTT_COMMAND_TOPIC" default:"invertergui/settings/set" description:"Set the MQTT topic that receives write commands for Victron settings/RAM variables."`
-		Password string `long:"mqtt.password" env:"MQTT_PASSWORD" default:"" description:"Set the MQTT password"`
+		StatusTopic  string `long:"mqtt.status_topic" env:"MQTT_STATUS_TOPIC" default:"invertergui/settings/status" description:"Set the MQTT topic where write command status updates are published."`
+		HA           struct {
+			Enabled         bool   `long:"mqtt.ha.enabled" env:"MQTT_HA_ENABLED" description:"Enable Home Assistant MQTT discovery integration."`
+			DiscoveryPrefix string `long:"mqtt.ha.discovery_prefix" env:"MQTT_HA_DISCOVERY_PREFIX" default:"homeassistant" description:"Set Home Assistant MQTT discovery prefix."`
+			NodeID          string `long:"mqtt.ha.node_id" env:"MQTT_HA_NODE_ID" default:"invertergui" description:"Set Home Assistant node ID used for discovery topics and unique IDs."`
+			DeviceName      string `long:"mqtt.ha.device_name" env:"MQTT_HA_DEVICE_NAME" default:"Victron Inverter" description:"Set Home Assistant device display name."`
+		}
+		Username     string `long:"mqtt.username" env:"MQTT_USERNAME" default:"" description:"Set the MQTT username"`
+		Password     string `long:"mqtt.password" env:"MQTT_PASSWORD" default:"" description:"Set the MQTT password"`
+		PasswordFile string `long:"mqtt.password-file" env:"MQTT_PASSWORD_FILE" default:"" description:"Path to a file containing the MQTT password"`
 	}
 	Loglevel string `long:"loglevel" env:"LOGLEVEL" default:"info" description:"The log level to generate logs at. (\"panic\", \"fatal\", \"error\", \"warn\", \"info\", \"debug\", \"trace\")"`
 }
@@ -31,5 +44,30 @@ func parseConfig() (*config, error) {
 	if _, err := parser.Parse(); err != nil {
 		return nil, err
 	}
+	if err := resolvePasswordFile(conf); err != nil {
+		return nil, err
+	}
 	return conf, nil
 }
+
+func resolvePasswordFile(conf *config) error {
+	if conf.MQTT.PasswordFile != "" && conf.MQTT.Password != "" {
+		return fmt.Errorf("mqtt.password and mqtt.password-file are mutually exclusive")
+	}
+	if conf.MQTT.PasswordFile != "" {
+		password, err := readPasswordFile(conf.MQTT.PasswordFile)
+		if err != nil {
+			return err
+		}
+		conf.MQTT.Password = password
+	}
+	return nil
+}
+
+func readPasswordFile(path string) (string, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return "", fmt.Errorf("could not read MQTT password file: %w", err)
+	}
+	return strings.TrimRight(string(data), "\n\r"), nil
+}

cmd/invertergui/config_test.go

@@ -0,0 +1,107 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+const testInlineSecret = "inline-secret"
+
+func TestReadPasswordFile(t *testing.T) {
+	tests := []struct {
+		name     string
+		content  string
+		expected string
+	}{
+		{
+			name:     "plain password",
+			content:  "secret",
+			expected: "secret",
+		},
+		{
+			name:     "password with trailing newline",
+			content:  "secret\n",
+			expected: "secret",
+		},
+		{
+			name:     "password with trailing carriage return and newline",
+			content:  "secret\r\n",
+			expected: "secret",
+		},
+		{
+			name:     "empty file",
+			content:  "",
+			expected: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			path := filepath.Join(t.TempDir(), "password")
+			if err := os.WriteFile(path, []byte(tt.content), 0o600); err != nil {
+				t.Fatalf("failed to write test file: %v", err)
+			}
+
+			got, err := readPasswordFile(path)
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tt.expected {
+				t.Errorf("got %q, want %q", got, tt.expected)
+			}
+		})
+	}
+}
+
+func TestReadPasswordFile_NotFound(t *testing.T) {
+	_, err := readPasswordFile("/nonexistent/path/password")
+	if err == nil {
+		t.Fatal("expected error for missing file, got nil")
+	}
+}
+
+func TestResolvePassword_MutuallyExclusive(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "password")
+	if err := os.WriteFile(path, []byte("secret"), 0o600); err != nil {
+		t.Fatalf("failed to write test file: %v", err)
+	}
+
+	conf := &config{}
+	conf.MQTT.Password = testInlineSecret
+	conf.MQTT.PasswordFile = path
+
+	err := resolvePasswordFile(conf)
+	if err == nil {
+		t.Fatal("expected error when both mqtt.password and mqtt.password-file are set, got nil")
+	}
+}
+
+func TestResolvePassword_FromFile(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "password")
+	if err := os.WriteFile(path, []byte("file-secret\n"), 0o600); err != nil {
+		t.Fatalf("failed to write test file: %v", err)
+	}
+
+	conf := &config{}
+	conf.MQTT.PasswordFile = path
+
+	if err := resolvePasswordFile(conf); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if conf.MQTT.Password != "file-secret" {
+		t.Errorf("got %q, want %q", conf.MQTT.Password, "file-secret")
+	}
+}
+
+func TestResolvePassword_NoFile(t *testing.T) {
+	conf := &config{}
+	conf.MQTT.Password = testInlineSecret
+
+	if err := resolvePasswordFile(conf); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if conf.MQTT.Password != testInlineSecret {
+		t.Errorf("got %q, want %q", conf.MQTT.Password, testInlineSecret)
+	}
+}

cmd/invertergui/main.go

@@ -37,14 +37,14 @@ import (
 	"net/http"
 	"os"
 
-	"github.com/diebietse/invertergui/mk2core"
+	"invertergui/mk2core"
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
-	"github.com/diebietse/invertergui/plugins/cli"
+	"invertergui/plugins/cli"
-	"github.com/diebietse/invertergui/plugins/mqttclient"
+	"invertergui/plugins/mqttclient"
-	"github.com/diebietse/invertergui/plugins/munin"
+	"invertergui/plugins/munin"
-	"github.com/diebietse/invertergui/plugins/prometheus"
+	"invertergui/plugins/prometheus"
-	"github.com/diebietse/invertergui/plugins/webui"
+	"invertergui/plugins/webui"
-	"github.com/diebietse/invertergui/plugins/webui/static"
+	"invertergui/plugins/webui/static"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/sirupsen/logrus"
 	"github.com/tarm/serial"
@@ -77,9 +77,15 @@ func main() {
 	}
 
 	// Webgui
-	gui := webui.NewWebGui(core.NewSubscription())
+	var writer mk2driver.SettingsWriter
+	if w, ok := mk2.(mk2driver.SettingsWriter); ok {
+		writer = w
+	}
+	gui := webui.NewWebGui(core.NewSubscription(), writer)
 	http.Handle("/", static.New())
 	http.Handle("/ws", http.HandlerFunc(gui.ServeHub))
+	http.Handle("/api/remote-panel/state", http.HandlerFunc(gui.ServeRemotePanelState))
+	http.Handle("/api/remote-panel/standby", http.HandlerFunc(gui.ServeRemotePanelStandby))
 
 	// Munin
 	mu := munin.NewMunin(core.NewSubscription())
@@ -93,13 +99,24 @@ func main() {
 	// MQTT
 	if conf.MQTT.Enabled {
 		mqttConf := mqttclient.Config{
-			Broker:   conf.MQTT.Broker,
+			Broker:       conf.MQTT.Broker,
-			Topic:    conf.MQTT.Topic,
+			Topic:        conf.MQTT.Topic,
-			ClientID: conf.MQTT.ClientID,
+			CommandTopic: conf.MQTT.CommandTopic,
+			StatusTopic:  conf.MQTT.StatusTopic,
+			ClientID:     conf.MQTT.ClientID,
+			HomeAssistant: mqttclient.HomeAssistantConfig{
+				Enabled:         conf.MQTT.HA.Enabled,
+				DiscoveryPrefix: conf.MQTT.HA.DiscoveryPrefix,
+				NodeID:          conf.MQTT.HA.NodeID,
+				DeviceName:      conf.MQTT.HA.DeviceName,
+			},
 			Username: conf.MQTT.Username,
 			Password: conf.MQTT.Password,
 		}
-		if err := mqttclient.New(core.NewSubscription(), mqttConf); err != nil {
+		if writer == nil {
+			log.Warn("MK2 data source does not support write commands; MQTT command topic will be ignored")
+		}
+		if err := mqttclient.New(core.NewSubscription(), writer, mqttConf); err != nil {
 			log.Fatalf("Could not setup MQTT client: %v", err)
 		}
 	}

codecov.yml

@@ -1,4 +0,0 @@
-coverage:
-  precision: 2
-  round: down
-  range: "65...100"

go.mod

@@ -1,30 +1,31 @@
-module github.com/diebietse/invertergui
+module invertergui
 
-go 1.20
+go 1.26
 
 require (
-	github.com/eclipse/paho.mqtt.golang v1.4.2
+	github.com/eclipse/paho.mqtt.golang v1.5.1
-	github.com/gorilla/websocket v1.5.0
+	github.com/gorilla/websocket v1.5.3
-	github.com/jessevdk/go-flags v1.5.0
+	github.com/jessevdk/go-flags v1.6.1
-	github.com/prometheus/client_golang v1.14.0
+	github.com/prometheus/client_golang v1.23.2
-	github.com/sirupsen/logrus v1.9.0
+	github.com/sirupsen/logrus v1.9.4
-	github.com/stretchr/testify v1.8.2
+	github.com/stretchr/testify v1.11.1
 	github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/kr/text v0.2.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/common v0.67.5 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/prometheus/procfs v0.19.2 // indirect
-	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
-	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f // indirect
+	golang.org/x/net v0.50.0 // indirect
-	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
+	golang.org/x/sync v0.19.0 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,509 +1,93 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
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mk2core/core.go

@@ -1,7 +1,7 @@
 package mk2core
 
 import (
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 )
 
 type Core struct {

mk2driver/mk2.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"sync"
 	"time"
 
@@ -41,20 +42,33 @@ const (
 )
 
 const (
-	infoFrameHeader = 0x20
+	infoFrameHeader   = 0x20
-	frameHeader     = 0xff
+	frameHeader       = 0xff
+	bootupFrameHeader = 0x0
 )
 
 const (
 	acL1InfoFrame  = 0x08
 	dcInfoFrame    = 0x0C
+	interfaceFrame = 0x48 // H
 	setTargetFrame = 0x41
 	infoReqFrame   = 0x46 //F
 	ledFrame       = 0x4C
+	stateFrame     = 0x53 // S
 	vFrame         = 0x56
 	winmonFrame    = 0x57
 )
 
+const (
+	panelStateVariant2Flags = 0x80
+
+	interfacePanelDetectFlag = 0x01
+	interfaceStandbyFlag     = 0x02
+
+	panelCurrentLimitUnknown = 0x8000
+	panelCurrentLimitMax     = 0x7FFF
+)
+
 // info frame types
 const (
 	infoReqAddrDC   = 0x00
@@ -64,12 +78,21 @@ const (
 // winmon frame commands
 const (
 	commandReadRAMVar    = 0x30
+	commandWriteRAMVar   = 0x32
+	commandWriteSetting  = 0x33
+	commandWriteData     = 0x34
 	commandGetRAMVarInfo = 0x36
 
-	commandReadRAMResponse       = 0x85
+	commandUnsupportedResponse     = 0x80
-	commandGetRAMVarInfoResponse = 0x8E
+	commandReadRAMResponse         = 0x85
+	commandWriteRAMResponse        = 0x87
+	commandWriteSettingResponse    = 0x88
+	commandWriteNotAllowedResponse = 0x9B
+	commandGetRAMVarInfoResponse   = 0x8E
 )
 
+const writeResponseTimeout = 3 * time.Second
+
 type mk2Ser struct {
 	info       *Mk2Info
 	p          io.ReadWriter
@@ -78,6 +101,10 @@ type mk2Ser struct {
 	run        chan struct{}
 	frameLock  bool
 	infochan   chan *Mk2Info
+	commandMu  sync.Mutex
+	writeAck   chan byte
+	stateAck   chan struct{}
+	ifaceAck   chan byte
 	wg         sync.WaitGroup
 }
 
@@ -88,6 +115,9 @@ func NewMk2Connection(dev io.ReadWriter) (Mk2, error) {
 	mk2.scaleCount = 0
 	mk2.frameLock = false
 	mk2.scales = make([]scaling, 0, ramVarMaxOffset)
+	mk2.writeAck = make(chan byte, 4)
+	mk2.stateAck = make(chan struct{}, 1)
+	mk2.ifaceAck = make(chan byte, 1)
 	mk2.setTarget()
 	mk2.run = make(chan struct{})
 	mk2.infochan = make(chan *Mk2Info)
@@ -152,6 +182,233 @@ func (m *mk2Ser) C() chan *Mk2Info {
 	return m.infochan
 }
 
+func (m *mk2Ser) WriteRAMVar(id uint16, value int16) error {
+	return m.writeByID(commandWriteRAMVar, commandWriteRAMResponse, id, value)
+}
+
+func (m *mk2Ser) WriteSetting(id uint16, value int16) error {
+	return m.writeByID(commandWriteSetting, commandWriteSettingResponse, id, value)
+}
+
+func (m *mk2Ser) SetPanelState(switchState PanelSwitchState, currentLimitA *float64) error {
+	if !validPanelSwitchState(switchState) {
+		return fmt.Errorf("invalid panel switch state: %d", switchState)
+	}
+
+	currentLimitRaw, err := encodePanelCurrentLimit(currentLimitA)
+	if err != nil {
+		return err
+	}
+
+	m.commandMu.Lock()
+	defer m.commandMu.Unlock()
+
+	m.clearStateResponses()
+	m.sendCommandLocked([]byte{
+		stateFrame,
+		byte(switchState),
+		byte(currentLimitRaw),
+		byte(currentLimitRaw >> 8),
+		0x01,
+		panelStateVariant2Flags,
+	})
+
+	return m.waitForStateResponse()
+}
+
+func (m *mk2Ser) SetStandby(enabled bool) error {
+	lineState := byte(interfacePanelDetectFlag)
+	if enabled {
+		lineState |= interfaceStandbyFlag
+	}
+
+	m.commandMu.Lock()
+	defer m.commandMu.Unlock()
+
+	m.clearInterfaceResponses()
+	m.sendCommandLocked([]byte{
+		interfaceFrame,
+		lineState,
+	})
+
+	return m.waitForInterfaceResponse(enabled)
+}
+
+func validPanelSwitchState(switchState PanelSwitchState) bool {
+	switch switchState {
+	case PanelSwitchChargerOnly, PanelSwitchInverterOnly, PanelSwitchOn, PanelSwitchOff:
+		return true
+	default:
+		return false
+	}
+}
+
+func encodePanelCurrentLimit(currentLimitA *float64) (uint16, error) {
+	if currentLimitA == nil {
+		return panelCurrentLimitUnknown, nil
+	}
+	if *currentLimitA < 0 {
+		return 0, fmt.Errorf("current_limit must be >= 0, got %.3f", *currentLimitA)
+	}
+
+	raw := math.Round(*currentLimitA * 10)
+	if raw > panelCurrentLimitMax {
+		return 0, fmt.Errorf("current_limit %.3f A is above MK2 maximum %.1f A", *currentLimitA, panelCurrentLimitMax/10.0)
+	}
+	return uint16(raw), nil
+}
+
+func (m *mk2Ser) writeByID(selectCommand, expectedResponse byte, id uint16, value int16) error {
+	m.commandMu.Lock()
+	defer m.commandMu.Unlock()
+
+	m.clearWriteResponses()
+
+	m.sendCommandLocked([]byte{
+		winmonFrame,
+		selectCommand,
+		byte(id),
+		byte(id >> 8),
+	})
+
+	rawValue := uint16(value)
+	m.sendCommandLocked([]byte{
+		winmonFrame,
+		commandWriteData,
+		byte(rawValue),
+		byte(rawValue >> 8),
+	})
+
+	return m.waitForWriteResponse(expectedResponse)
+}
+
+func (m *mk2Ser) clearWriteResponses() {
+	if m.writeAck == nil {
+		m.writeAck = make(chan byte, 4)
+		return
+	}
+	for {
+		select {
+		case <-m.writeAck:
+		default:
+			return
+		}
+	}
+}
+
+func (m *mk2Ser) waitForWriteResponse(expectedResponse byte) error {
+	if m.writeAck == nil {
+		return errors.New("write response channel is not initialized")
+	}
+
+	select {
+	case response := <-m.writeAck:
+		switch response {
+		case expectedResponse:
+			return nil
+		case commandUnsupportedResponse:
+			return errors.New("write command is not supported by this device firmware")
+		case commandWriteNotAllowedResponse:
+			return errors.New("write command rejected by device access level")
+		default:
+			return fmt.Errorf("unexpected write response 0x%02x", response)
+		}
+	case <-time.After(writeResponseTimeout):
+		return fmt.Errorf("timed out waiting for write response after %s", writeResponseTimeout)
+	}
+}
+
+func (m *mk2Ser) pushWriteResponse(response byte) {
+	if m.writeAck == nil {
+		return
+	}
+
+	select {
+	case m.writeAck <- response:
+	default:
+	}
+}
+
+func (m *mk2Ser) clearStateResponses() {
+	if m.stateAck == nil {
+		m.stateAck = make(chan struct{}, 1)
+		return
+	}
+	for {
+		select {
+		case <-m.stateAck:
+		default:
+			return
+		}
+	}
+}
+
+func (m *mk2Ser) waitForStateResponse() error {
+	if m.stateAck == nil {
+		return errors.New("panel state response channel is not initialized")
+	}
+
+	select {
+	case <-m.stateAck:
+		return nil
+	case <-time.After(writeResponseTimeout):
+		return fmt.Errorf("timed out waiting for panel state response after %s", writeResponseTimeout)
+	}
+}
+
+func (m *mk2Ser) pushStateResponse() {
+	if m.stateAck == nil {
+		return
+	}
+
+	select {
+	case m.stateAck <- struct{}{}:
+	default:
+	}
+}
+
+func (m *mk2Ser) clearInterfaceResponses() {
+	if m.ifaceAck == nil {
+		m.ifaceAck = make(chan byte, 1)
+		return
+	}
+	for {
+		select {
+		case <-m.ifaceAck:
+		default:
+			return
+		}
+	}
+}
+
+func (m *mk2Ser) waitForInterfaceResponse(expectedStandby bool) error {
+	if m.ifaceAck == nil {
+		return errors.New("interface response channel is not initialized")
+	}
+
+	select {
+	case lineState := <-m.ifaceAck:
+		standbyEnabled := lineState&interfaceStandbyFlag != 0
+		if standbyEnabled != expectedStandby {
+			return fmt.Errorf("unexpected standby line state 0x%02x", lineState)
+		}
+		return nil
+	case <-time.After(writeResponseTimeout):
+		return fmt.Errorf("timed out waiting for standby response after %s", writeResponseTimeout)
+	}
+}
+
+func (m *mk2Ser) pushInterfaceResponse(lineState byte) {
+	if m.ifaceAck == nil {
+		return
+	}
+
+	select {
+	case m.ifaceAck <- lineState:
+	default:
+	}
+}
+
 func (m *mk2Ser) readByte() byte {
 	buffer := make([]byte, 1)
 	_, err := io.ReadFull(m.p, buffer)
@@ -164,6 +421,7 @@ func (m *mk2Ser) readByte() byte {
 
 // Adds error to error slice.
 func (m *mk2Ser) addError(err error) {
+	logrus.Errorf("Mk2 serial slice error: %q", err.Error())
 	if m.info.Errors == nil {
 		m.info.Errors = make([]error, 0)
 	}
@@ -183,11 +441,19 @@ func (m *mk2Ser) updateReport() {
 
 // Checks for valid frame and chooses decoding.
 func (m *mk2Ser) handleFrame(l byte, frame []byte) {
-	logrus.Debugf("frame %#v", frame)
+	logrus.Debugf("[handleFrame] frame %#v", frame)
 	if checkChecksum(l, frame[0], frame[1:]) {
 		switch frame[0] {
+		case bootupFrameHeader:
+			m.setTarget()
 		case frameHeader:
 			switch frame[1] {
+			case interfaceFrame:
+				if len(frame) > 2 {
+					m.pushInterfaceResponse(frame[2])
+				}
+			case stateFrame:
+				m.pushStateResponse()
 			case vFrame:
 				m.versionDecode(frame[2:])
 			case winmonFrame:
@@ -196,10 +462,16 @@ func (m *mk2Ser) handleFrame(l byte, frame []byte) {
 					m.scaleDecode(frame[2:])
 				case commandReadRAMResponse:
 					m.stateDecode(frame[2:])
+				case commandWriteRAMResponse, commandWriteSettingResponse, commandUnsupportedResponse, commandWriteNotAllowedResponse:
+					m.pushWriteResponse(frame[2])
+				default:
+					logrus.Warnf("[handleFrame] invalid winmonFrame %v", frame[2:])
 				}
 
 			case ledFrame:
 				m.ledDecode(frame[2:])
+			default:
+				logrus.Warnf("[handleFrame] invalid frameHeader %v", frame[1])
 			}
 
 		case infoFrameHeader:
@@ -208,10 +480,14 @@ func (m *mk2Ser) handleFrame(l byte, frame []byte) {
 				m.dcDecode(frame[1:])
 			case acL1InfoFrame:
 				m.acDecode(frame[1:])
+			default:
+				logrus.Warnf("[handleFrame] invalid infoFrameHeader %v", frame[5])
 			}
+		default:
+			logrus.Warnf("[handleFrame] Invalid frame %v", frame[0])
 		}
 	} else {
-		logrus.Errorf("Invalid incoming frame checksum: %x", frame)
+		logrus.Errorf("[handleFrame] Invalid incoming frame checksum: %x", frame)
 		m.frameLock = false
 	}
 }
@@ -418,6 +694,12 @@ func getLEDs(ledsOn, ledsBlink byte) map[Led]LEDstate {
 
 // Adds header and trailing crc for frame to send.
 func (m *mk2Ser) sendCommand(data []byte) {
+	m.commandMu.Lock()
+	defer m.commandMu.Unlock()
+	m.sendCommandLocked(data)
+}
+
+func (m *mk2Ser) sendCommandLocked(data []byte) {
 	l := len(data)
 	dataOut := make([]byte, l+3)
 	dataOut[0] = byte(l + 1)

mk2driver/mk2_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"io"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -42,6 +43,7 @@ type testIo struct {
 }
 
 func NewIOStub(readBuffer []byte) io.ReadWriter {
+	writeBuffer = bytes.NewBuffer(nil)
 	return &testIo{
 		Reader: bytes.NewBuffer(readBuffer),
 		Writer: writeBuffer,
@@ -309,3 +311,127 @@ func Test_mk2Ser_calcFreq(t *testing.T) {
 		})
 	}
 }
+
+func Test_mk2Ser_WriteSetting(t *testing.T) {
+	testIO := NewIOStub(nil)
+	m := &mk2Ser{
+		p:        testIO,
+		writeAck: make(chan byte, 1),
+	}
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		m.pushWriteResponse(commandWriteSettingResponse)
+	}()
+
+	err := m.WriteSetting(0x1234, 1234)
+	assert.NoError(t, err)
+
+	expected := []byte{
+		0x05, 0xff, 0x57, 0x33, 0x34, 0x12, 0x2c,
+		0x05, 0xff, 0x57, 0x34, 0xd2, 0x04, 0x9b,
+	}
+	assert.Equal(t, expected, writeBuffer.Bytes())
+}
+
+func Test_mk2Ser_WriteRAMVarRejected(t *testing.T) {
+	testIO := NewIOStub(nil)
+	m := &mk2Ser{
+		p:        testIO,
+		writeAck: make(chan byte, 1),
+	}
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		m.pushWriteResponse(commandWriteNotAllowedResponse)
+	}()
+
+	err := m.WriteRAMVar(0x000d, 1)
+	assert.Error(t, err)
+	assert.ErrorContains(t, err, "rejected")
+}
+
+func Test_mk2Ser_SetPanelState(t *testing.T) {
+	testIO := NewIOStub(nil)
+	m := &mk2Ser{
+		p:        testIO,
+		stateAck: make(chan struct{}, 1),
+	}
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		m.pushStateResponse()
+	}()
+
+	currentLimit := 16.5
+	err := m.SetPanelState(PanelSwitchOn, &currentLimit)
+	assert.NoError(t, err)
+
+	expected := []byte{
+		0x07, 0xff, 0x53, 0x03, 0xa5, 0x00, 0x01, 0x80, 0x7e,
+	}
+	assert.Equal(t, expected, writeBuffer.Bytes())
+}
+
+func Test_mk2Ser_SetPanelState_SwitchOnly(t *testing.T) {
+	testIO := NewIOStub(nil)
+	m := &mk2Ser{
+		p:        testIO,
+		stateAck: make(chan struct{}, 1),
+	}
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		m.pushStateResponse()
+	}()
+
+	err := m.SetPanelState(PanelSwitchOff, nil)
+	assert.NoError(t, err)
+
+	expected := []byte{
+		0x07, 0xff, 0x53, 0x04, 0x00, 0x80, 0x01, 0x80, 0xa2,
+	}
+	assert.Equal(t, expected, writeBuffer.Bytes())
+}
+
+func Test_mk2Ser_SetStandby(t *testing.T) {
+	testIO := NewIOStub(nil)
+	m := &mk2Ser{
+		p:        testIO,
+		ifaceAck: make(chan byte, 1),
+	}
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		m.pushInterfaceResponse(interfacePanelDetectFlag | interfaceStandbyFlag)
+	}()
+
+	err := m.SetStandby(true)
+	assert.NoError(t, err)
+
+	expected := []byte{
+		0x03, 0xff, 0x48, 0x03, 0xb3,
+	}
+	assert.Equal(t, expected, writeBuffer.Bytes())
+}
+
+func Test_mk2Ser_SetStandby_Disabled(t *testing.T) {
+	testIO := NewIOStub(nil)
+	m := &mk2Ser{
+		p:        testIO,
+		ifaceAck: make(chan byte, 1),
+	}
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		m.pushInterfaceResponse(interfacePanelDetectFlag)
+	}()
+
+	err := m.SetStandby(false)
+	assert.NoError(t, err)
+
+	expected := []byte{
+		0x03, 0xff, 0x48, 0x01, 0xb5,
+	}
+	assert.Equal(t, expected, writeBuffer.Bytes())
+}

mk2driver/mk2interface.go

@@ -76,3 +76,29 @@ type Mk2 interface {
 	C() chan *Mk2Info
 	Close()
 }
+
+type PanelSwitchState byte
+
+const (
+	// PanelSwitchChargerOnly enables charging only.
+	PanelSwitchChargerOnly PanelSwitchState = 0x01
+	// PanelSwitchInverterOnly enables inverter output and disables charging.
+	PanelSwitchInverterOnly PanelSwitchState = 0x02
+	// PanelSwitchOn enables both inverter and charger.
+	PanelSwitchOn PanelSwitchState = 0x03
+	// PanelSwitchOff disables inverter and charger.
+	PanelSwitchOff PanelSwitchState = 0x04
+)
+
+type SettingsWriter interface {
+	// WriteRAMVar writes a signed 16-bit value to a RAM variable id.
+	WriteRAMVar(id uint16, value int16) error
+	// WriteSetting writes a signed 16-bit value to a setting id.
+	WriteSetting(id uint16, value int16) error
+	// SetPanelState sends the MK2 "S" command using a virtual panel switch state.
+	// If currentLimitA is nil, the command does not update the AC current limit.
+	SetPanelState(switchState PanelSwitchState, currentLimitA *float64) error
+	// SetStandby configures the remote panel standby line.
+	// When enabled, the inverter is prevented from sleeping while switched off.
+	SetStandby(enabled bool) error
+}

mk2driver/mockmk2.go

@@ -37,6 +37,22 @@ func (m *mock) Close() {
 
 }
 
+func (m *mock) WriteRAMVar(_ uint16, _ int16) error {
+	return nil
+}
+
+func (m *mock) WriteSetting(_ uint16, _ int16) error {
+	return nil
+}
+
+func (m *mock) SetPanelState(_ PanelSwitchState, _ *float64) error {
+	return nil
+}
+
+func (m *mock) SetStandby(_ bool) error {
+	return nil
+}
+
 func (m *mock) genMockValues() {
 	mult := 1.0
 	ledState := LedOff

plugins/cli/cli.go

@@ -1,7 +1,7 @@
 package cli
 
 import (
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 	"github.com/sirupsen/logrus"
 )
 

plugins/mqttclient/mqtt.go

@@ -2,9 +2,14 @@ package mqttclient
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"sync"
 	"time"
 
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 	mqtt "github.com/eclipse/paho.mqtt.golang"
 	"github.com/sirupsen/logrus"
 )
@@ -13,42 +18,758 @@ var log = logrus.WithField("ctx", "inverter-gui-mqtt")
 
 const keepAlive = 5 * time.Second
 
-// Config sets MQTT client configuration
+const (
-type Config struct {
+	commandKindSetting = "setting"
-	Broker   string
+	commandKindRAMVar  = "ram_var"
-	ClientID string
+	commandKindPanel   = "panel_state"
-	Topic    string
+	commandKindStandby = "standby"
-	Username string
+
-	Password string
+	writeStatusOK    = "ok"
+	writeStatusError = "error"
+)
+
+type HomeAssistantConfig struct {
+	Enabled         bool
+	DiscoveryPrefix string
+	NodeID          string
+	DeviceName      string
 }
 
-// New creates an MQTT client that starts publishing MK2 data as it is received.
+// Config sets MQTT client configuration
-func New(mk2 mk2driver.Mk2, config Config) error {
+type Config struct {
+	Broker        string
+	ClientID      string
+	Topic         string
+	CommandTopic  string
+	StatusTopic   string
+	HomeAssistant HomeAssistantConfig
+	Username      string
+	Password      string
+}
+
+type writeCommand struct {
+	RequestID     string
+	Kind          string
+	ID            uint16
+	Value         int16
+	HasSwitch     bool
+	SwitchState   mk2driver.PanelSwitchState
+	SwitchName    string
+	CurrentLimitA *float64
+	Standby       *bool
+}
+
+type writeCommandPayload struct {
+	RequestID     string          `json:"request_id"`
+	Kind          string          `json:"kind"`
+	Type          string          `json:"type"`
+	ID            *uint16         `json:"id"`
+	Value         json.RawMessage `json:"value"`
+	Switch        string          `json:"switch"`
+	SwitchState   string          `json:"switch_state"`
+	CurrentLimitA *float64        `json:"current_limit"`
+	Standby       *bool           `json:"standby"`
+}
+
+type writeStatus struct {
+	RequestID     string    `json:"request_id,omitempty"`
+	Status        string    `json:"status"`
+	Kind          string    `json:"kind,omitempty"`
+	ID            uint16    `json:"id"`
+	Value         int16     `json:"value"`
+	Switch        string    `json:"switch,omitempty"`
+	CurrentLimitA *float64  `json:"current_limit,omitempty"`
+	Standby       *bool     `json:"standby,omitempty"`
+	Error         string    `json:"error,omitempty"`
+	Timestamp     time.Time `json:"timestamp"`
+}
+
+type haDiscoveryDefinition struct {
+	Component string
+	ObjectID  string
+	Config    map[string]any
+}
+
+type panelStateCache struct {
+	mu          sync.Mutex
+	hasSwitch   bool
+	switchName  string
+	switchState mk2driver.PanelSwitchState
+}
+
+// New creates an MQTT client that publishes MK2 updates and optionally handles setting write commands.
+func New(mk2 mk2driver.Mk2, writer mk2driver.SettingsWriter, config Config) error {
 	c := mqtt.NewClient(getOpts(config))
 	if token := c.Connect(); token.Wait() && token.Error() != nil {
 		return token.Error()
 	}
+	cache := &panelStateCache{}
+
+	if config.HomeAssistant.Enabled {
+		if err := publishHAAvailability(c, config, "online"); err != nil {
+			return fmt.Errorf("could not publish Home Assistant availability: %w", err)
+		}
+		if err := publishHADiscovery(c, config); err != nil {
+			return fmt.Errorf("could not publish Home Assistant discovery payloads: %w", err)
+		}
+		if writer != nil {
+			if err := subscribeHAPanelModeState(c, config, cache); err != nil {
+				log.Warnf("Could not subscribe to Home Assistant panel mode state topic: %v", err)
+			}
+		}
+	}
+
+	if config.CommandTopic != "" {
+		if writer == nil {
+			log.Warnf("MQTT command topic %q configured, but no settings writer is available", config.CommandTopic)
+		} else {
+			t := c.Subscribe(config.CommandTopic, 1, commandHandler(c, writer, config, cache))
+			t.Wait()
+			if t.Error() != nil {
+				return fmt.Errorf("could not subscribe to MQTT command topic %q: %w", config.CommandTopic, t.Error())
+			}
+			log.Infof("Subscribed to MQTT command topic: %s", config.CommandTopic)
+		}
+	}
 
 	go func() {
 		for e := range mk2.C() {
-			if e.Valid {
+			if e == nil || !e.Valid {
-				data, err := json.Marshal(e)
+				continue
-				if err != nil {
+			}
-					log.Errorf("Could not parse data source: %v", err)
+			if err := publishJSON(c, config.Topic, e, 0, false); err != nil {
-					continue
+				log.Errorf("Could not publish update to MQTT topic %q: %v", config.Topic, err)
-				}
-
-				t := c.Publish(config.Topic, 0, false, data)
-				t.Wait()
-				if t.Error() != nil {
-					log.Errorf("Could not publish data: %v", t.Error())
-				}
 			}
 		}
 	}()
+
 	return nil
 }
 
+func subscribeHAPanelModeState(client mqtt.Client, config Config, cache *panelStateCache) error {
+	if cache == nil {
+		return nil
+	}
+
+	stateTopic := haPanelSwitchStateTopic(config)
+	t := client.Subscribe(stateTopic, 1, func(_ mqtt.Client, msg mqtt.Message) {
+		switchState, switchName, err := normalizePanelSwitch(string(msg.Payload()))
+		if err != nil {
+			return
+		}
+		cache.remember(writeCommand{
+			Kind:        commandKindPanel,
+			HasSwitch:   true,
+			SwitchState: switchState,
+			SwitchName:  switchName,
+		})
+	})
+	t.Wait()
+	return t.Error()
+}
+
+func commandHandler(client mqtt.Client, writer mk2driver.SettingsWriter, config Config, cache *panelStateCache) mqtt.MessageHandler {
+	if cache == nil {
+		cache = &panelStateCache{}
+	}
+
+	return func(_ mqtt.Client, msg mqtt.Message) {
+		cmd, err := decodeWriteCommand(msg.Payload())
+		if err != nil {
+			log.Errorf("Invalid MQTT write command payload from topic %q: %v", msg.Topic(), err)
+			publishWriteStatus(client, config.StatusTopic, writeStatus{
+				Status:    writeStatusError,
+				Error:     err.Error(),
+				Timestamp: time.Now().UTC(),
+			})
+			return
+		}
+
+		execCmd := cmd
+		status := writeStatus{
+			RequestID: cmd.RequestID,
+			Status:    writeStatusOK,
+			Kind:      cmd.Kind,
+			Timestamp: time.Now().UTC(),
+		}
+		switch cmd.Kind {
+		case commandKindPanel:
+			execCmd, err = cache.resolvePanelCommand(cmd)
+			if err != nil {
+				status.Status = writeStatusError
+				status.Error = err.Error()
+				log.Errorf("Invalid MQTT write command %s: %v", formatWriteCommandLog(cmd), err)
+				publishWriteStatus(client, config.StatusTopic, status)
+				return
+			}
+			status.Switch = execCmd.SwitchName
+			status.CurrentLimitA = execCmd.CurrentLimitA
+		case commandKindStandby:
+			status.Standby = copyBoolPtr(execCmd.Standby)
+		default:
+			status.ID = cmd.ID
+			status.Value = cmd.Value
+		}
+
+		if err := executeWriteCommand(writer, execCmd); err != nil {
+			status.Status = writeStatusError
+			status.Error = err.Error()
+			log.Errorf("Failed MQTT write command %s: %v", formatWriteCommandLog(execCmd), err)
+		} else {
+			log.Infof("Applied MQTT write command %s", formatWriteCommandLog(execCmd))
+			cache.remember(execCmd)
+			if config.HomeAssistant.Enabled {
+				if err := publishHAControlState(client, config, execCmd); err != nil {
+					log.Errorf("Could not publish Home Assistant control state update: %v", err)
+				}
+			}
+		}
+
+		publishWriteStatus(client, config.StatusTopic, status)
+	}
+}
+
+func (c *panelStateCache) resolvePanelCommand(cmd writeCommand) (writeCommand, error) {
+	if cmd.Kind != commandKindPanel {
+		return cmd, nil
+	}
+
+	if cmd.HasSwitch {
+		return cmd, nil
+	}
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if !c.hasSwitch {
+		return writeCommand{}, errors.New("panel_state command missing switch and no prior mode is known; set mode once first")
+	}
+
+	cmd.HasSwitch = true
+	cmd.SwitchName = c.switchName
+	cmd.SwitchState = c.switchState
+	return cmd, nil
+}
+
+func (c *panelStateCache) remember(cmd writeCommand) {
+	if cmd.Kind != commandKindPanel || !cmd.HasSwitch {
+		return
+	}
+
+	c.mu.Lock()
+	c.hasSwitch = true
+	c.switchName = cmd.SwitchName
+	c.switchState = cmd.SwitchState
+	c.mu.Unlock()
+}
+
+func decodeWriteCommand(payload []byte) (writeCommand, error) {
+	msg := writeCommandPayload{}
+	if err := json.Unmarshal(payload, &msg); err != nil {
+		return writeCommand{}, fmt.Errorf("invalid JSON payload: %w", err)
+	}
+
+	kind := msg.Kind
+	if kind == "" {
+		kind = msg.Type
+	}
+	normalizedKind, err := normalizeWriteKind(kind)
+	if err != nil {
+		return writeCommand{}, err
+	}
+
+	if normalizedKind == commandKindPanel {
+		switchName := msg.Switch
+		if switchName == "" {
+			switchName = msg.SwitchState
+		}
+
+		hasSwitch := false
+		switchState := mk2driver.PanelSwitchState(0)
+		normalizedSwitchName := ""
+		if switchName != "" {
+			var err error
+			switchState, normalizedSwitchName, err = normalizePanelSwitch(switchName)
+			if err != nil {
+				return writeCommand{}, err
+			}
+			hasSwitch = true
+		}
+		if msg.CurrentLimitA != nil && *msg.CurrentLimitA < 0 {
+			return writeCommand{}, fmt.Errorf("current_limit must be >= 0, got %.3f", *msg.CurrentLimitA)
+		}
+		if !hasSwitch && msg.CurrentLimitA == nil {
+			return writeCommand{}, errors.New(`missing required field "switch" (or "switch_state"), or "current_limit"`)
+		}
+
+		return writeCommand{
+			RequestID:     msg.RequestID,
+			Kind:          normalizedKind,
+			HasSwitch:     hasSwitch,
+			SwitchState:   switchState,
+			SwitchName:    normalizedSwitchName,
+			CurrentLimitA: msg.CurrentLimitA,
+		}, nil
+	}
+
+	if normalizedKind == commandKindStandby {
+		standby, err := decodeStandbyValue(msg)
+		if err != nil {
+			return writeCommand{}, err
+		}
+
+		return writeCommand{
+			RequestID: msg.RequestID,
+			Kind:      normalizedKind,
+			Standby:   &standby,
+		}, nil
+	}
+
+	if msg.ID == nil {
+		return writeCommand{}, errors.New(`missing required field "id"`)
+	}
+	value, err := decodeInt16Value(msg.Value)
+	if err != nil {
+		return writeCommand{}, err
+	}
+
+	return writeCommand{
+		RequestID: msg.RequestID,
+		Kind:      normalizedKind,
+		ID:        *msg.ID,
+		Value:     value,
+	}, nil
+}
+
+func normalizeWriteKind(raw string) (string, error) {
+	switch strings.ToLower(strings.TrimSpace(raw)) {
+	case "setting", "settings":
+		return commandKindSetting, nil
+	case "ram", "ramvar", "ram_var", "ram-variable", "ramvariable":
+		return commandKindRAMVar, nil
+	case "panel", "panel_state", "switch", "remote_panel":
+		return commandKindPanel, nil
+	case "standby", "panel_standby", "remote_panel_standby":
+		return commandKindStandby, nil
+	default:
+		return "", fmt.Errorf("unsupported write command kind %q", raw)
+	}
+}
+
+func normalizePanelSwitch(raw string) (mk2driver.PanelSwitchState, string, error) {
+	switch strings.ToLower(strings.TrimSpace(raw)) {
+	case "1", "charger_only", "charger-only", "charger":
+		return mk2driver.PanelSwitchChargerOnly, "charger_only", nil
+	case "2", "inverter_only", "inverter-only", "inverter":
+		return mk2driver.PanelSwitchInverterOnly, "inverter_only", nil
+	case "3", "on":
+		return mk2driver.PanelSwitchOn, "on", nil
+	case "4", "off":
+		return mk2driver.PanelSwitchOff, "off", nil
+	default:
+		return 0, "", fmt.Errorf("unsupported panel switch %q", raw)
+	}
+}
+
+func executeWriteCommand(writer mk2driver.SettingsWriter, cmd writeCommand) error {
+	if writer == nil {
+		return errors.New("settings writer is not available")
+	}
+	switch cmd.Kind {
+	case commandKindPanel:
+		if !cmd.HasSwitch {
+			return errors.New("panel_state command requires a switch state")
+		}
+		return writer.SetPanelState(cmd.SwitchState, cmd.CurrentLimitA)
+	case commandKindStandby:
+		if cmd.Standby == nil {
+			return errors.New("standby command missing standby value")
+		}
+		return writer.SetStandby(*cmd.Standby)
+	case commandKindRAMVar:
+		return writer.WriteRAMVar(cmd.ID, cmd.Value)
+	case commandKindSetting:
+		return writer.WriteSetting(cmd.ID, cmd.Value)
+	default:
+		return fmt.Errorf("unsupported write command kind %q", cmd.Kind)
+	}
+}
+
+func formatWriteCommandLog(cmd writeCommand) string {
+	switch cmd.Kind {
+	case commandKindPanel:
+		switchName := cmd.SwitchName
+		if switchName == "" {
+			switchName = "<cached>"
+		}
+		if cmd.CurrentLimitA == nil {
+			return fmt.Sprintf("kind=%s switch=%s", cmd.Kind, switchName)
+		}
+		return fmt.Sprintf("kind=%s switch=%s current_limit=%.3f", cmd.Kind, switchName, *cmd.CurrentLimitA)
+	case commandKindStandby:
+		if cmd.Standby == nil {
+			return fmt.Sprintf("kind=%s standby=<unset>", cmd.Kind)
+		}
+		return fmt.Sprintf("kind=%s standby=%t", cmd.Kind, *cmd.Standby)
+	default:
+		return fmt.Sprintf("kind=%s id=%d value=%d", cmd.Kind, cmd.ID, cmd.Value)
+	}
+}
+
+func decodeInt16Value(raw json.RawMessage) (int16, error) {
+	if len(raw) == 0 {
+		return 0, errors.New(`missing required field "value"`)
+	}
+
+	var value int16
+	if err := json.Unmarshal(raw, &value); err != nil {
+		return 0, fmt.Errorf(`field "value" must be a signed integer: %w`, err)
+	}
+	return value, nil
+}
+
+func decodeStandbyValue(msg writeCommandPayload) (bool, error) {
+	if msg.Standby != nil {
+		return *msg.Standby, nil
+	}
+	if len(msg.Value) == 0 {
+		return false, errors.New(`missing required field "standby" (or boolean "value")`)
+	}
+
+	var boolValue bool
+	if err := json.Unmarshal(msg.Value, &boolValue); err == nil {
+		return boolValue, nil
+	}
+
+	var stringValue string
+	if err := json.Unmarshal(msg.Value, &stringValue); err == nil {
+		switch strings.ToLower(strings.TrimSpace(stringValue)) {
+		case "1", "true", "on", "enable", "enabled":
+			return true, nil
+		case "0", "false", "off", "disable", "disabled":
+			return false, nil
+		}
+	}
+
+	var intValue int
+	if err := json.Unmarshal(msg.Value, &intValue); err == nil {
+		switch intValue {
+		case 1:
+			return true, nil
+		case 0:
+			return false, nil
+		}
+	}
+
+	return false, errors.New(`field "standby" must be true/false`)
+}
+
+func publishWriteStatus(client mqtt.Client, topic string, status writeStatus) {
+	if topic == "" {
+		return
+	}
+	if err := publishJSON(client, topic, status, 1, false); err != nil {
+		log.Errorf("Could not publish command status to MQTT topic %q: %v", topic, err)
+	}
+}
+
+func publishHADiscovery(client mqtt.Client, config Config) error {
+	definitions := buildHADiscoveryDefinitions(config)
+	prefix := haDiscoveryPrefix(config)
+	nodeID := haNodeID(config)
+
+	for _, def := range definitions {
+		topic := fmt.Sprintf("%s/%s/%s/%s/config", prefix, def.Component, nodeID, def.ObjectID)
+		if err := publishJSON(client, topic, def.Config, 1, true); err != nil {
+			return fmt.Errorf("could not publish discovery for %s/%s: %w", def.Component, def.ObjectID, err)
+		}
+	}
+
+	return nil
+}
+
+func buildHADiscoveryDefinitions(config Config) []haDiscoveryDefinition {
+	if !config.HomeAssistant.Enabled {
+		return nil
+	}
+
+	nodeID := haNodeID(config)
+	device := map[string]any{
+		"identifiers":  []string{fmt.Sprintf("invertergui_%s", nodeID)},
+		"name":         haDeviceName(config),
+		"manufacturer": "Victron Energy",
+		"model":        "MultiPlus",
+		"sw_version":   "invertergui",
+	}
+	availabilityTopic := haAvailabilityTopic(config)
+	stateTopic := config.Topic
+
+	sensors := []haDiscoveryDefinition{
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "battery_voltage", "Battery Voltage", "{{ value_json.BatVoltage }}", "V", "voltage", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "battery_current", "Battery Current", "{{ value_json.BatCurrent }}", "A", "current", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "battery_charge", "Battery Charge", "{{ ((value_json.ChargeState | float(0)) * 100) | round(1) }}", "%", "battery", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "input_voltage", "Input Voltage", "{{ value_json.InVoltage }}", "V", "voltage", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "input_current", "Input Current", "{{ value_json.InCurrent }}", "A", "current", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "input_frequency", "Input Frequency", "{{ value_json.InFrequency }}", "Hz", "frequency", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "output_voltage", "Output Voltage", "{{ value_json.OutVoltage }}", "V", "voltage", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "output_current", "Output Current", "{{ value_json.OutCurrent }}", "A", "current", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "output_frequency", "Output Frequency", "{{ value_json.OutFrequency }}", "Hz", "frequency", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "input_power", "Input Power", "{{ ((value_json.InVoltage | float(0)) * (value_json.InCurrent | float(0))) | round(1) }}", "VA", "", "measurement"),
+		buildHASensor(device, availabilityTopic, stateTopic, nodeID, "output_power", "Output Power", "{{ ((value_json.OutVoltage | float(0)) * (value_json.OutCurrent | float(0))) | round(1) }}", "VA", "", "measurement"),
+		{
+			Component: "binary_sensor",
+			ObjectID:  "data_valid",
+			Config: map[string]any{
+				"name":               "Data Valid",
+				"unique_id":          fmt.Sprintf("%s_data_valid", nodeID),
+				"state_topic":        stateTopic,
+				"value_template":     "{{ value_json.Valid }}",
+				"payload_on":         "true",
+				"payload_off":        "false",
+				"availability_topic": availabilityTopic,
+				"device":             device,
+				"entity_category":    "diagnostic",
+			},
+		},
+	}
+
+	if config.CommandTopic != "" {
+		sensors = append(sensors,
+			haDiscoveryDefinition{
+				Component: "select",
+				ObjectID:  "remote_panel_mode",
+				Config: map[string]any{
+					"name":               "Remote Panel Mode",
+					"unique_id":          fmt.Sprintf("%s_remote_panel_mode", nodeID),
+					"state_topic":        haPanelSwitchStateTopic(config),
+					"command_topic":      config.CommandTopic,
+					"command_template":   "{\"kind\":\"panel_state\",\"switch\":\"{{ value }}\"}",
+					"options":            []string{"charger_only", "inverter_only", "on", "off"},
+					"availability_topic": availabilityTopic,
+					"device":             device,
+					"icon":               "mdi:transmission-tower-export",
+				},
+			},
+			haDiscoveryDefinition{
+				Component: "number",
+				ObjectID:  "remote_panel_current_limit",
+				Config: map[string]any{
+					"name":                "Remote Panel Current Limit",
+					"unique_id":           fmt.Sprintf("%s_remote_panel_current_limit", nodeID),
+					"state_topic":         haCurrentLimitStateTopic(config),
+					"command_topic":       config.CommandTopic,
+					"command_template":    "{\"kind\":\"panel_state\",\"current_limit\":{{ value | float(0) }}}",
+					"unit_of_measurement": "A",
+					"device_class":        "current",
+					"mode":                "box",
+					"min":                 0,
+					"max":                 100,
+					"step":                0.1,
+					"availability_topic":  availabilityTopic,
+					"device":              device,
+					"icon":                "mdi:current-ac",
+				},
+			},
+			haDiscoveryDefinition{
+				Component: "switch",
+				ObjectID:  "remote_panel_standby",
+				Config: map[string]any{
+					"name":               "Remote Panel Standby",
+					"unique_id":          fmt.Sprintf("%s_remote_panel_standby", nodeID),
+					"state_topic":        haStandbyStateTopic(config),
+					"command_topic":      config.CommandTopic,
+					"payload_on":         "{\"kind\":\"standby\",\"standby\":true}",
+					"payload_off":        "{\"kind\":\"standby\",\"standby\":false}",
+					"state_on":           "ON",
+					"state_off":          "OFF",
+					"availability_topic": availabilityTopic,
+					"device":             device,
+					"icon":               "mdi:power-sleep",
+				},
+			},
+		)
+	}
+
+	return sensors
+}
+
+func buildHASensor(device map[string]any, availabilityTopic, stateTopic, nodeID, objectID, name, valueTemplate, unit, deviceClass, stateClass string) haDiscoveryDefinition {
+	config := map[string]any{
+		"name":               name,
+		"unique_id":          fmt.Sprintf("%s_%s", nodeID, objectID),
+		"state_topic":        stateTopic,
+		"value_template":     valueTemplate,
+		"availability_topic": availabilityTopic,
+		"device":             device,
+	}
+	if unit != "" {
+		config["unit_of_measurement"] = unit
+	}
+	if deviceClass != "" {
+		config["device_class"] = deviceClass
+	}
+	if stateClass != "" {
+		config["state_class"] = stateClass
+	}
+
+	return haDiscoveryDefinition{
+		Component: "sensor",
+		ObjectID:  objectID,
+		Config:    config,
+	}
+}
+
+func publishHAAvailability(client mqtt.Client, config Config, status string) error {
+	return publishString(client, haAvailabilityTopic(config), status, 1, true)
+}
+
+func publishHAControlState(client mqtt.Client, config Config, cmd writeCommand) error {
+	switch cmd.Kind {
+	case commandKindPanel:
+		if err := publishString(client, haPanelSwitchStateTopic(config), cmd.SwitchName, 1, true); err != nil {
+			return err
+		}
+		if cmd.CurrentLimitA != nil {
+			limit := strconv.FormatFloat(*cmd.CurrentLimitA, 'f', 1, 64)
+			if err := publishString(client, haCurrentLimitStateTopic(config), limit, 1, true); err != nil {
+				return err
+			}
+		}
+	case commandKindStandby:
+		if cmd.Standby == nil {
+			return nil
+		}
+		state := "OFF"
+		if *cmd.Standby {
+			state = "ON"
+		}
+		if err := publishString(client, haStandbyStateTopic(config), state, 1, true); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func publishJSON(client mqtt.Client, topic string, payload any, qos byte, retained bool) error {
+	if topic == "" {
+		return errors.New("topic is empty")
+	}
+
+	data, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("could not marshal payload: %w", err)
+	}
+
+	t := client.Publish(topic, qos, retained, data)
+	t.Wait()
+	if t.Error() != nil {
+		return t.Error()
+	}
+
+	return nil
+}
+
+func publishString(client mqtt.Client, topic, payload string, qos byte, retained bool) error {
+	if topic == "" {
+		return errors.New("topic is empty")
+	}
+
+	t := client.Publish(topic, qos, retained, payload)
+	t.Wait()
+	if t.Error() != nil {
+		return t.Error()
+	}
+	return nil
+}
+
+func mqttTopicRoot(topic string) string {
+	t := strings.Trim(strings.TrimSpace(topic), "/")
+	if t == "" {
+		return "invertergui"
+	}
+	if strings.HasSuffix(t, "/updates") {
+		root := strings.TrimSuffix(t, "/updates")
+		if root != "" {
+			return root
+		}
+	}
+	return t
+}
+
+func haAvailabilityTopic(config Config) string {
+	return fmt.Sprintf("%s/homeassistant/availability", mqttTopicRoot(config.Topic))
+}
+
+func haPanelSwitchStateTopic(config Config) string {
+	return fmt.Sprintf("%s/homeassistant/remote_panel_mode/state", mqttTopicRoot(config.Topic))
+}
+
+func haCurrentLimitStateTopic(config Config) string {
+	return fmt.Sprintf("%s/homeassistant/remote_panel_current_limit/state", mqttTopicRoot(config.Topic))
+}
+
+func haStandbyStateTopic(config Config) string {
+	return fmt.Sprintf("%s/homeassistant/remote_panel_standby/state", mqttTopicRoot(config.Topic))
+}
+
+func haDiscoveryPrefix(config Config) string {
+	prefix := strings.Trim(strings.TrimSpace(config.HomeAssistant.DiscoveryPrefix), "/")
+	if prefix == "" {
+		return "homeassistant"
+	}
+	return prefix
+}
+
+func haNodeID(config Config) string {
+	nodeID := normalizeID(config.HomeAssistant.NodeID)
+	if nodeID == "" {
+		nodeID = normalizeID(config.ClientID)
+	}
+	if nodeID == "" {
+		return "invertergui"
+	}
+	return nodeID
+}
+
+func haDeviceName(config Config) string {
+	name := strings.TrimSpace(config.HomeAssistant.DeviceName)
+	if name == "" {
+		return "Victron Inverter"
+	}
+	return name
+}
+
+func normalizeID(in string) string {
+	trimmed := strings.TrimSpace(strings.ToLower(in))
+	if trimmed == "" {
+		return ""
+	}
+	var b strings.Builder
+	lastUnderscore := false
+	for _, r := range trimmed {
+		valid := (r >= 'a' && r <= 'z') || (r >= '0' && r <= '9') || r == '-' || r == '_'
+		if valid {
+			b.WriteRune(r)
+			lastUnderscore = false
+			continue
+		}
+		if !lastUnderscore {
+			b.WriteRune('_')
+			lastUnderscore = true
+		}
+	}
+
+	return strings.Trim(b.String(), "_")
+}
+
+func copyBoolPtr(in *bool) *bool {
+	if in == nil {
+		return nil
+	}
+	value := *in
+	return &value
+}
+
 func getOpts(config Config) *mqtt.ClientOptions {
 	opts := mqtt.NewClientOptions()
 	opts.AddBroker(config.Broker)
@@ -60,14 +781,16 @@ func getOpts(config Config) *mqtt.ClientOptions {
 	if config.Password != "" {
 		opts.SetPassword(config.Password)
 	}
+	if config.HomeAssistant.Enabled {
+		opts.SetWill(haAvailabilityTopic(config), "offline", 1, true)
+	}
 	opts.SetKeepAlive(keepAlive)
 
 	opts.SetOnConnectHandler(func(mqtt.Client) {
 		log.Info("Client connected to broker")
 	})
-	opts.SetConnectionLostHandler(func(cli mqtt.Client, err error) {
+	opts.SetConnectionLostHandler(func(_ mqtt.Client, err error) {
 		log.Errorf("Client connection to broker lost: %v", err)
-
 	})
 	return opts
 }

plugins/mqttclient/mqtt_test.go

@@ -0,0 +1,316 @@
+package mqttclient
+
+import (
+	"testing"
+
+	"invertergui/mk2driver"
+	"github.com/stretchr/testify/assert"
+)
+
+type fakeWriter struct {
+	lastKind         string
+	lastID           uint16
+	lastValue        int16
+	lastSwitchState  mk2driver.PanelSwitchState
+	lastCurrentLimit *float64
+	lastStandby      *bool
+	err              error
+}
+
+func (f *fakeWriter) WriteRAMVar(id uint16, value int16) error {
+	f.lastKind = commandKindRAMVar
+	f.lastID = id
+	f.lastValue = value
+	return f.err
+}
+
+func (f *fakeWriter) WriteSetting(id uint16, value int16) error {
+	f.lastKind = commandKindSetting
+	f.lastID = id
+	f.lastValue = value
+	return f.err
+}
+
+func (f *fakeWriter) SetPanelState(switchState mk2driver.PanelSwitchState, currentLimitA *float64) error {
+	f.lastKind = commandKindPanel
+	f.lastSwitchState = switchState
+	f.lastCurrentLimit = currentLimitA
+	return f.err
+}
+
+func (f *fakeWriter) SetStandby(standby bool) error {
+	f.lastKind = commandKindStandby
+	f.lastStandby = &standby
+	return f.err
+}
+
+func Test_decodeWriteCommand(t *testing.T) {
+	currentLimit := 16.5
+	tests := []struct {
+		name    string
+		payload string
+		check   func(*testing.T, writeCommand)
+		wantErr string
+	}{
+		{
+			name:    "setting",
+			payload: `{"request_id":"abc","kind":"setting","id":15,"value":-5}`,
+			check: func(t *testing.T, got writeCommand) {
+				assert.Equal(t, writeCommand{
+					RequestID: "abc",
+					Kind:      commandKindSetting,
+					ID:        15,
+					Value:     -5,
+				}, got)
+			},
+		},
+		{
+			name:    "ram_var alias from type",
+			payload: `{"type":"ramvar","id":2,"value":7}`,
+			check: func(t *testing.T, got writeCommand) {
+				assert.Equal(t, writeCommand{
+					Kind:  commandKindRAMVar,
+					ID:    2,
+					Value: 7,
+				}, got)
+			},
+		},
+		{
+			name:    "panel state",
+			payload: `{"kind":"panel_state","switch":"on","current_limit":16.5}`,
+			check: func(t *testing.T, got writeCommand) {
+				assert.Equal(t, commandKindPanel, got.Kind)
+				assert.True(t, got.HasSwitch)
+				assert.Equal(t, mk2driver.PanelSwitchOn, got.SwitchState)
+				assert.Equal(t, "on", got.SwitchName)
+				if assert.NotNil(t, got.CurrentLimitA) {
+					assert.Equal(t, currentLimit, *got.CurrentLimitA)
+				}
+			},
+		},
+		{
+			name:    "panel current limit only",
+			payload: `{"kind":"panel_state","current_limit":12.0}`,
+			check: func(t *testing.T, got writeCommand) {
+				assert.Equal(t, commandKindPanel, got.Kind)
+				assert.False(t, got.HasSwitch)
+				assert.Nil(t, got.Standby)
+				if assert.NotNil(t, got.CurrentLimitA) {
+					assert.Equal(t, 12.0, *got.CurrentLimitA)
+				}
+			},
+		},
+		{
+			name:    "standby bool",
+			payload: `{"kind":"standby","standby":true}`,
+			check: func(t *testing.T, got writeCommand) {
+				assert.Equal(t, commandKindStandby, got.Kind)
+				if assert.NotNil(t, got.Standby) {
+					assert.True(t, *got.Standby)
+				}
+			},
+		},
+		{
+			name:    "standby using value string",
+			payload: `{"kind":"standby","value":"OFF"}`,
+			check: func(t *testing.T, got writeCommand) {
+				assert.Equal(t, commandKindStandby, got.Kind)
+				if assert.NotNil(t, got.Standby) {
+					assert.False(t, *got.Standby)
+				}
+			},
+		},
+		{
+			name:    "missing id",
+			payload: `{"kind":"setting","value":1}`,
+			wantErr: `missing required field "id"`,
+		},
+		{
+			name:    "missing panel switch and current limit",
+			payload: `{"kind":"panel_state"}`,
+			wantErr: `missing required field "switch"`,
+		},
+		{
+			name:    "invalid standby",
+			payload: `{"kind":"standby","value":"banana"}`,
+			wantErr: `field "standby" must be true/false`,
+		},
+		{
+			name:    "invalid kind",
+			payload: `{"kind":"unknown","id":1,"value":1}`,
+			wantErr: `unsupported write command kind "unknown"`,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := decodeWriteCommand([]byte(tt.payload))
+			if tt.wantErr != "" {
+				assert.Error(t, err)
+				assert.ErrorContains(t, err, tt.wantErr)
+				return
+			}
+
+			assert.NoError(t, err)
+			tt.check(t, got)
+		})
+	}
+}
+
+func Test_executeWriteCommand(t *testing.T) {
+	limit := 8.0
+	standby := true
+	tests := []struct {
+		name string
+		cmd  writeCommand
+		want string
+	}{
+		{
+			name: "setting",
+			cmd: writeCommand{
+				Kind:  commandKindSetting,
+				ID:    9,
+				Value: 2,
+			},
+			want: commandKindSetting,
+		},
+		{
+			name: "ram_var",
+			cmd: writeCommand{
+				Kind:  commandKindRAMVar,
+				ID:    3,
+				Value: -1,
+			},
+			want: commandKindRAMVar,
+		},
+		{
+			name: "panel_state",
+			cmd: writeCommand{
+				Kind:          commandKindPanel,
+				HasSwitch:     true,
+				SwitchState:   mk2driver.PanelSwitchInverterOnly,
+				CurrentLimitA: &limit,
+			},
+			want: commandKindPanel,
+		},
+		{
+			name: "standby",
+			cmd: writeCommand{
+				Kind:    commandKindStandby,
+				Standby: &standby,
+			},
+			want: commandKindStandby,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			writer := &fakeWriter{}
+			err := executeWriteCommand(writer, tt.cmd)
+			assert.NoError(t, err)
+			assert.Equal(t, tt.want, writer.lastKind)
+			switch tt.want {
+			case commandKindPanel:
+				assert.Equal(t, tt.cmd.SwitchState, writer.lastSwitchState)
+				if assert.NotNil(t, writer.lastCurrentLimit) {
+					assert.Equal(t, *tt.cmd.CurrentLimitA, *writer.lastCurrentLimit)
+				}
+			case commandKindStandby:
+				if assert.NotNil(t, writer.lastStandby) {
+					assert.Equal(t, *tt.cmd.Standby, *writer.lastStandby)
+				}
+			default:
+				assert.Equal(t, tt.cmd.ID, writer.lastID)
+				assert.Equal(t, tt.cmd.Value, writer.lastValue)
+			}
+		})
+	}
+}
+
+func Test_buildHADiscoveryDefinitions(t *testing.T) {
+	cfg := Config{
+		Topic:        "invertergui/updates",
+		CommandTopic: "invertergui/settings/set",
+		HomeAssistant: HomeAssistantConfig{
+			Enabled:         true,
+			DiscoveryPrefix: "homeassistant",
+			NodeID:          "victron_main",
+			DeviceName:      "Shed Victron",
+		},
+	}
+
+	definitions := buildHADiscoveryDefinitions(cfg)
+	assert.NotEmpty(t, definitions)
+
+	var panelMode *haDiscoveryDefinition
+	var panelCurrentLimit *haDiscoveryDefinition
+	var panelStandby *haDiscoveryDefinition
+	var batteryVoltage *haDiscoveryDefinition
+	for i := range definitions {
+		def := &definitions[i]
+		if def.Component == "select" && def.ObjectID == "remote_panel_mode" {
+			panelMode = def
+		}
+		if def.Component == "number" && def.ObjectID == "remote_panel_current_limit" {
+			panelCurrentLimit = def
+		}
+		if def.Component == "switch" && def.ObjectID == "remote_panel_standby" {
+			panelStandby = def
+		}
+		if def.Component == "sensor" && def.ObjectID == "battery_voltage" {
+			batteryVoltage = def
+		}
+	}
+
+	if assert.NotNil(t, panelMode) {
+		assert.Equal(t, cfg.CommandTopic, panelMode.Config["command_topic"])
+		assert.Equal(t, haPanelSwitchStateTopic(cfg), panelMode.Config["state_topic"])
+	}
+	if assert.NotNil(t, panelCurrentLimit) {
+		assert.Equal(t, cfg.CommandTopic, panelCurrentLimit.Config["command_topic"])
+		assert.Equal(t, haCurrentLimitStateTopic(cfg), panelCurrentLimit.Config["state_topic"])
+	}
+	if assert.NotNil(t, panelStandby) {
+		assert.Equal(t, cfg.CommandTopic, panelStandby.Config["command_topic"])
+		assert.Equal(t, haStandbyStateTopic(cfg), panelStandby.Config["state_topic"])
+	}
+	if assert.NotNil(t, batteryVoltage) {
+		assert.Equal(t, cfg.Topic, batteryVoltage.Config["state_topic"])
+	}
+}
+
+func Test_panelStateCacheResolvePanelCommand(t *testing.T) {
+	cache := &panelStateCache{}
+
+	_, err := cache.resolvePanelCommand(writeCommand{
+		Kind:          commandKindPanel,
+		CurrentLimitA: float64Ptr(12),
+	})
+	assert.Error(t, err)
+
+	cache.remember(writeCommand{
+		Kind:        commandKindPanel,
+		HasSwitch:   true,
+		SwitchState: mk2driver.PanelSwitchOn,
+		SwitchName:  "on",
+	})
+
+	resolved, err := cache.resolvePanelCommand(writeCommand{
+		Kind:          commandKindPanel,
+		CurrentLimitA: float64Ptr(10),
+	})
+	assert.NoError(t, err)
+	assert.True(t, resolved.HasSwitch)
+	assert.Equal(t, mk2driver.PanelSwitchOn, resolved.SwitchState)
+	assert.Equal(t, "on", resolved.SwitchName)
+}
+
+func float64Ptr(in float64) *float64 {
+	return &in
+}
+
+func Test_normalizeID(t *testing.T) {
+	assert.Equal(t, "victron_main_01", normalizeID("Victron Main #01"))
+	assert.Equal(t, "inverter-gui", normalizeID(" inverter-gui "))
+	assert.Equal(t, "", normalizeID("   "))
+}

plugins/munin/munin.go

@@ -36,7 +36,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 	"github.com/sirupsen/logrus"
 )
 
@@ -63,7 +63,7 @@ func NewMunin(mk2 mk2driver.Mk2) *Munin {
 	return m
 }
 
-func (m *Munin) ServeMuninHTTP(rw http.ResponseWriter, r *http.Request) {
+func (m *Munin) ServeMuninHTTP(rw http.ResponseWriter, _ *http.Request) {
 	muninDat := <-m.muninResponse
 	if muninDat.timesUpdated == 0 {
 		log.Error("No data returned")
@@ -103,7 +103,7 @@ func (m *Munin) ServeMuninHTTP(rw http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (m *Munin) ServeMuninConfigHTTP(rw http.ResponseWriter, r *http.Request) {
+func (m *Munin) ServeMuninConfigHTTP(rw http.ResponseWriter, _ *http.Request) {
 	output := muninConfig
 	_, err := rw.Write([]byte(output))
 	if err != nil {

plugins/munin/munin_test.go

@@ -6,10 +6,10 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 )
 
-func TestServer(t *testing.T) {
+func TestServer(_ *testing.T) {
 
 	mockMk2 := mk2driver.NewMk2Mock()
 	muninServer := NewMunin(mockMk2)

plugins/prometheus/prometheus.go

@@ -31,7 +31,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package prometheus
 
 import (
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 	"github.com/prometheus/client_golang/prometheus"
 )
 

plugins/webui/static/index.html

@@ -98,6 +98,117 @@
       <div class="alert alert-danger" role="alert" v-if="error.has_error">
         {{ error.error_message }}
       </div>
+      <div
+        class="alert"
+        v-if="control.message !== ''"
+        v-bind:class="[control.has_error ? 'alert-danger' : 'alert-success']"
+      >
+        {{ control.message }}
+      </div>
+      <div class="row">
+        <div class="col">
+          <div class="card mb-3">
+            <div class="card-body">
+              <h4 class="card-title">Remote Panel Control</h4>
+              <p class="text-muted mb-2">
+                Mode and current limit are applied together, equivalent to
+                <code>set_remote_panel_state</code>.
+              </p>
+              <p class="mb-1">
+                <strong>Current Mode:</strong>
+                {{ remoteModeLabel(state.remote_panel) }}
+              </p>
+              <p class="mb-1">
+                <strong>Current Limit:</strong>
+                {{ state.remote_panel.current_limit === null || state.remote_panel.current_limit === undefined ? 'Unknown' : state.remote_panel.current_limit + ' A' }}
+              </p>
+              <p class="mb-3">
+                <strong>Standby:</strong>
+                {{ remoteStandbyLabel(state.remote_panel) }}
+              </p>
+              <div class="row">
+                <div class="col-md-8">
+                  <form v-on:submit.prevent="applyRemotePanelState">
+                    <div class="form-row">
+                      <div class="form-group col-md-6">
+                        <label for="modeSelect">Remote Panel Mode</label>
+                        <select
+                          class="form-control"
+                          id="modeSelect"
+                          v-model="remote_form.mode"
+                          v-bind:disabled="!state.remote_panel.writable || control.busy"
+                        >
+                          <option value="on">on</option>
+                          <option value="off">off</option>
+                          <option value="charger_only">charger_only</option>
+                          <option value="inverter_only">inverter_only</option>
+                        </select>
+                      </div>
+                      <div class="form-group col-md-6">
+                        <label for="currentLimitInput">AC Input Current Limit (A)</label>
+                        <input
+                          id="currentLimitInput"
+                          type="number"
+                          min="0"
+                          step="0.1"
+                          class="form-control"
+                          v-model="remote_form.current_limit"
+                          placeholder="leave blank to keep current"
+                          v-bind:disabled="!state.remote_panel.writable || control.busy"
+                        />
+                      </div>
+                    </div>
+                    <button
+                      type="submit"
+                      class="btn btn-primary"
+                      v-bind:disabled="!state.remote_panel.writable || control.busy"
+                    >
+                      Apply Mode + Current Limit
+                    </button>
+                  </form>
+                </div>
+                <div class="col-md-4">
+                  <form v-on:submit.prevent="applyStandby">
+                    <div class="form-group">
+                      <div class="form-check mt-4">
+                        <input
+                          id="standbySwitch"
+                          type="checkbox"
+                          class="form-check-input"
+                          v-model="remote_form.standby"
+                          v-bind:disabled="!state.remote_panel.writable || control.busy"
+                        />
+                        <label class="form-check-label" for="standbySwitch">
+                          Prevent sleep while off
+                        </label>
+                      </div>
+                    </div>
+                    <button
+                      type="submit"
+                      class="btn btn-secondary"
+                      v-bind:disabled="!state.remote_panel.writable || control.busy"
+                    >
+                      Apply Standby
+                    </button>
+                  </form>
+                </div>
+              </div>
+              <div class="mt-3 text-muted" v-if="state.remote_panel.last_updated">
+                Last update {{ state.remote_panel.last_updated }}
+                <span v-if="state.remote_panel.last_command">
+                  ({{ state.remote_panel.last_command }})
+                </span>
+              </div>
+              <div class="mt-2 text-danger" v-if="state.remote_panel.last_error">
+                {{ state.remote_panel.last_error }}
+              </div>
+              <div class="mt-2 text-warning" v-if="!state.remote_panel.writable">
+                Remote control is unavailable for this data source.
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
       <div class="row">
         <div class="col">
           <hr />

plugins/webui/static/js/controller.js

@@ -3,6 +3,46 @@ const timeoutMax = 30000;
 const timeoutMin = 1000;
 var timeout = timeoutMin;
 
+function defaultRemotePanelState() {
+  return {
+    writable: false,
+    mode: "unknown",
+    current_limit: null,
+    standby: null,
+    last_command: "",
+    last_error: "",
+    last_updated: ""
+  };
+}
+
+function defaultState() {
+  return {
+    output_current: null,
+    output_voltage: 0,
+    output_frequency: 0,
+    output_power: 0,
+    input_current: 0,
+    input_voltage: 0,
+    input_frequency: 0,
+    input_power: 0,
+    battery_current: 0,
+    battery_voltage: 0,
+    battery_charge: 0,
+    battery_power: 0,
+    led_map: {
+      led_mains: "dot-off",
+      led_absorb: "dot-off",
+      led_bulk: "dot-off",
+      led_float: "dot-off",
+      led_inverter: "dot-off",
+      led_overload: "dot-off",
+      led_bat_low: "dot-off",
+      led_over_temp: "dot-off"
+    },
+    remote_panel: defaultRemotePanelState()
+  };
+}
+
 function loadContent() {
   app = new Vue({
     el: "#app",
@@ -11,33 +51,172 @@ function loadContent() {
         has_error: false,
         error_message: ""
       },
-      state: {
+      control: {
-        output_current: null,
+        busy: false,
-        output_voltage: 0,
+        has_error: false,
-        output_frequency: 0,
+        message: ""
-        output_power: 0,
+      },
-        input_current: 0,
+      remote_form: {
-        input_voltage: 0,
+        mode: "on",
-        input_frequency: 0,
+        current_limit: "",
-        input_power: 0,
+        standby: false
-        battery_current: 0,
+      },
-        battery_voltage: 0,
+      state: defaultState()
-        battery_charge: 0,
+    },
-        battery_power: 0,
+    methods: {
-        led_map: [
+      syncRemoteFormFromState: function(remoteState) {
-          { led_mains: "dot-off" },
+        if (!remoteState) {
-          { led_absorb: "dot-off" },
+          return;
-          { led_bulk: "dot-off" },
+        }
-          { led_float: "dot-off" },
+        if (remoteState.mode && remoteState.mode !== "unknown") {
-          { led_inverter: "dot-off" },
+          this.remote_form.mode = remoteState.mode;
-          { led_overload: "dot-off" },
+        }
-          { led_bat_low: "dot-off" },
+        if (remoteState.current_limit === null || remoteState.current_limit === undefined) {
-          { led_over_temp: "dot-off" }
+          this.remote_form.current_limit = "";
-        ]
+        } else {
+          this.remote_form.current_limit = String(remoteState.current_limit);
+        }
+        if (remoteState.standby === null || remoteState.standby === undefined) {
+          this.remote_form.standby = false;
+        } else {
+          this.remote_form.standby = !!remoteState.standby;
+        }
+      },
+      remoteModeLabel: function(remoteState) {
+        var mode = (remoteState && remoteState.mode) || "unknown";
+        if (mode === "charger_only") {
+          return "Charger Only";
+        }
+        if (mode === "inverter_only") {
+          return "Inverter Only";
+        }
+        if (mode === "on") {
+          return "On";
+        }
+        if (mode === "off") {
+          return "Off";
+        }
+        return "Unknown";
+      },
+      remoteStandbyLabel: function(remoteState) {
+        if (!remoteState || remoteState.standby === null || remoteState.standby === undefined) {
+          return "Unknown";
+        }
+        return remoteState.standby ? "Enabled" : "Disabled";
+      },
+      refreshRemoteState: function() {
+        var self = this;
+        fetch(getAPIURI("api/remote-panel/state"))
+          .then(function(resp) {
+            if (!resp.ok) {
+              throw new Error("Could not load remote panel state.");
+            }
+            return resp.json();
+          })
+          .then(function(payload) {
+            self.state.remote_panel = payload;
+            self.syncRemoteFormFromState(payload);
+          })
+          .catch(function(err) {
+            self.control.has_error = true;
+            self.control.message = err.message;
+          });
+      },
+      applyRemotePanelState: function() {
+        var self = this;
+        if (!self.state.remote_panel.writable) {
+          return;
+        }
+
+        var body = {
+          mode: self.remote_form.mode
+        };
+        if (self.remote_form.current_limit !== "") {
+          var parsed = parseFloat(self.remote_form.current_limit);
+          if (isNaN(parsed)) {
+            self.control.has_error = true;
+            self.control.message = "Current limit must be numeric.";
+            return;
+          }
+          body.current_limit = parsed;
+        }
+
+        self.control.busy = true;
+        self.control.has_error = false;
+        self.control.message = "";
+        fetch(getAPIURI("api/remote-panel/state"), {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json"
+          },
+          body: JSON.stringify(body)
+        })
+          .then(function(resp) {
+            if (!resp.ok) {
+              return resp.text().then(function(text) {
+                throw new Error(text || "Failed to set remote panel mode/current limit.");
+              });
+            }
+            return resp.json();
+          })
+          .then(function(payload) {
+            self.state.remote_panel = payload;
+            self.syncRemoteFormFromState(payload);
+            self.control.has_error = false;
+            self.control.message = "Remote panel state updated.";
+          })
+          .catch(function(err) {
+            self.control.has_error = true;
+            self.control.message = err.message;
+          })
+          .finally(function() {
+            self.control.busy = false;
+          });
+      },
+      applyStandby: function() {
+        var self = this;
+        if (!self.state.remote_panel.writable) {
+          return;
+        }
+
+        self.control.busy = true;
+        self.control.has_error = false;
+        self.control.message = "";
+        fetch(getAPIURI("api/remote-panel/standby"), {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json"
+          },
+          body: JSON.stringify({
+            standby: !!self.remote_form.standby
+          })
+        })
+          .then(function(resp) {
+            if (!resp.ok) {
+              return resp.text().then(function(text) {
+                throw new Error(text || "Failed to set standby mode.");
+              });
+            }
+            return resp.json();
+          })
+          .then(function(payload) {
+            self.state.remote_panel = payload;
+            self.syncRemoteFormFromState(payload);
+            self.control.has_error = false;
+            self.control.message = "Standby mode updated.";
+          })
+          .catch(function(err) {
+            self.control.has_error = true;
+            self.control.message = err.message;
+          })
+          .finally(function() {
+            self.control.busy = false;
+          });
       }
     }
   });
 
+  app.refreshRemoteState();
   connect();
 }
 
@@ -61,7 +240,7 @@ function connect() {
       }
     };
 
-    conn.onopen = function(evt) {
+    conn.onopen = function() {
       timeout = timeoutMin;
       app.error.has_error = false;
     };
@@ -69,6 +248,9 @@ function connect() {
     conn.onmessage = function(evt) {
       var update = JSON.parse(evt.data);
       app.state = update;
+      if (!app.control.busy) {
+        app.syncRemoteFormFromState(update.remote_panel);
+      }
     };
   } else {
     app.error.has_error = true;
@@ -88,3 +270,11 @@ function getURI() {
   new_uri += loc.pathname + "ws";
   return new_uri;
 }
+
+function getAPIURI(path) {
+  var base = window.location.pathname;
+  if (base.slice(-1) !== "/") {
+    base += "/";
+  }
+  return base + path.replace(/^\/+/, "");
+}

plugins/webui/webgui.go

@@ -31,13 +31,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package webui
 
 import (
+	"encoding/json"
 	"fmt"
 	"net/http"
+	"strings"
 	"sync"
 	"time"
 
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
-	"github.com/diebietse/invertergui/websocket"
+	"invertergui/websocket"
 	"github.com/sirupsen/logrus"
 )
 
@@ -51,25 +53,53 @@ const (
 	BlinkGreen = "blink-green"
 )
 
+const (
+	modeChargerOnly  = "charger_only"
+	modeInverterOnly = "inverter_only"
+	modeOn           = "on"
+	modeOff          = "off"
+	modeUnknown      = "unknown"
+)
+
 type WebGui struct {
 	mk2driver.Mk2
+	writer   mk2driver.SettingsWriter
 	stopChan chan struct{}
 
 	wg  sync.WaitGroup
 	hub *websocket.Hub
+
+	stateMu sync.RWMutex
+	latest  *templateInput
+	remote  remotePanelState
 }
 
-func NewWebGui(source mk2driver.Mk2) *WebGui {
+func NewWebGui(source mk2driver.Mk2, writer mk2driver.SettingsWriter) *WebGui {
 	w := &WebGui{
 		stopChan: make(chan struct{}),
 		Mk2:      source,
+		writer:   writer,
 		hub:      websocket.NewHub(),
+		remote: remotePanelState{
+			Writable: writer != nil,
+			Mode:     modeUnknown,
+		},
 	}
 	w.wg.Add(1)
 	go w.dataPoll()
 	return w
 }
 
+type remotePanelState struct {
+	Writable     bool     `json:"writable"`
+	Mode         string   `json:"mode"`
+	CurrentLimit *float64 `json:"current_limit,omitempty"`
+	Standby      *bool    `json:"standby,omitempty"`
+	LastCommand  string   `json:"last_command,omitempty"`
+	LastError    string   `json:"last_error,omitempty"`
+	LastUpdated  string   `json:"last_updated,omitempty"`
+}
+
 type templateInput struct {
 	Error []error `json:"errors"`
 
@@ -94,12 +124,125 @@ type templateInput struct {
 	OutFreq string `json:"output_frequency"`
 
 	LedMap map[string]string `json:"led_map"`
+
+	RemotePanel remotePanelState `json:"remote_panel"`
+}
+
+type setRemotePanelStateRequest struct {
+	Mode         string   `json:"mode"`
+	CurrentLimit *float64 `json:"current_limit"`
+}
+
+type setRemotePanelStandbyRequest struct {
+	Standby bool `json:"standby"`
 }
 
 func (w *WebGui) ServeHub(rw http.ResponseWriter, r *http.Request) {
 	w.hub.ServeHTTP(rw, r)
 }
 
+func (w *WebGui) ServeRemotePanelState(rw http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case http.MethodGet:
+		writeJSON(rw, http.StatusOK, w.getRemotePanelState())
+	case http.MethodPost:
+		w.handleSetRemotePanelState(rw, r)
+	default:
+		http.Error(rw, "method not allowed", http.StatusMethodNotAllowed)
+	}
+}
+
+func (w *WebGui) ServeRemotePanelStandby(rw http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case http.MethodGet:
+		writeJSON(rw, http.StatusOK, w.getRemotePanelState())
+	case http.MethodPost:
+		w.handleSetRemotePanelStandby(rw, r)
+	default:
+		http.Error(rw, "method not allowed", http.StatusMethodNotAllowed)
+	}
+}
+
+func (w *WebGui) handleSetRemotePanelState(rw http.ResponseWriter, r *http.Request) {
+	if w.writer == nil {
+		http.Error(rw, "remote control is not supported by this data source", http.StatusNotImplemented)
+		return
+	}
+
+	req := setRemotePanelStateRequest{}
+	if err := decodeJSONBody(r, &req); err != nil {
+		http.Error(rw, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	switchState, normalizedMode, err := parsePanelMode(req.Mode)
+	if err != nil {
+		http.Error(rw, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	if err := w.writer.SetPanelState(switchState, req.CurrentLimit); err != nil {
+		w.updateRemotePanelState(func(state *remotePanelState) {
+			state.LastCommand = "set_remote_panel_state"
+			state.LastError = err.Error()
+		})
+		http.Error(rw, err.Error(), http.StatusBadGateway)
+		return
+	}
+
+	w.updateRemotePanelState(func(state *remotePanelState) {
+		state.Mode = normalizedMode
+		state.CurrentLimit = copyFloat64Ptr(req.CurrentLimit)
+		state.LastCommand = "set_remote_panel_state"
+		state.LastError = ""
+	})
+	writeJSON(rw, http.StatusOK, w.getRemotePanelState())
+}
+
+func (w *WebGui) handleSetRemotePanelStandby(rw http.ResponseWriter, r *http.Request) {
+	if w.writer == nil {
+		http.Error(rw, "remote control is not supported by this data source", http.StatusNotImplemented)
+		return
+	}
+
+	req := setRemotePanelStandbyRequest{}
+	if err := decodeJSONBody(r, &req); err != nil {
+		http.Error(rw, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	if err := w.writer.SetStandby(req.Standby); err != nil {
+		w.updateRemotePanelState(func(state *remotePanelState) {
+			state.LastCommand = "set_remote_panel_standby"
+			state.LastError = err.Error()
+		})
+		http.Error(rw, err.Error(), http.StatusBadGateway)
+		return
+	}
+
+	w.updateRemotePanelState(func(state *remotePanelState) {
+		state.Standby = copyBoolPtr(&req.Standby)
+		state.LastCommand = "set_remote_panel_standby"
+		state.LastError = ""
+	})
+	writeJSON(rw, http.StatusOK, w.getRemotePanelState())
+}
+
+func parsePanelMode(raw string) (mk2driver.PanelSwitchState, string, error) {
+	switch strings.TrimSpace(strings.ToLower(raw)) {
+	case modeChargerOnly:
+		return mk2driver.PanelSwitchChargerOnly, modeChargerOnly, nil
+	case modeInverterOnly:
+		return mk2driver.PanelSwitchInverterOnly, modeInverterOnly, nil
+	case modeOn:
+		return mk2driver.PanelSwitchOn, modeOn, nil
+	case modeOff:
+		return mk2driver.PanelSwitchOff, modeOff, nil
+	default:
+		return 0, "", fmt.Errorf("unsupported panel mode %q", raw)
+	}
+}
+
 func ledName(led mk2driver.Led) string {
 	name, ok := mk2driver.LedNames[led]
 	if !ok {
@@ -162,15 +305,17 @@ func (w *WebGui) Stop() {
 	w.wg.Wait()
 }
 
-// dataPoll waits for data from the w.poller channel. It will send its currently stored status
-// to respChan if anything reads from it.
 func (w *WebGui) dataPoll() {
 	for {
 		select {
 		case s := <-w.C():
 			if s.Valid {
-				err := w.hub.Broadcast(buildTemplateInput(s))
+				payload := buildTemplateInput(s)
-				if err != nil {
+				w.stateMu.Lock()
+				payload.RemotePanel = w.remote
+				w.latest = payload
+				w.stateMu.Unlock()
+				if err := w.hub.Broadcast(payload); err != nil {
 					log.Errorf("Could not send update to clients: %v", err)
 				}
 			}
@@ -180,3 +325,93 @@ func (w *WebGui) dataPoll() {
 		}
 	}
 }
+
+func (w *WebGui) getRemotePanelState() remotePanelState {
+	w.stateMu.RLock()
+	defer w.stateMu.RUnlock()
+	return copyRemotePanelState(w.remote)
+}
+
+func (w *WebGui) updateRemotePanelState(update func(state *remotePanelState)) {
+	w.stateMu.Lock()
+	update(&w.remote)
+	w.remote.LastUpdated = time.Now().UTC().Format(time.RFC3339)
+	snapshot := w.snapshotLocked()
+	w.stateMu.Unlock()
+
+	if snapshot != nil {
+		if err := w.hub.Broadcast(snapshot); err != nil {
+			log.Errorf("Could not send control update to clients: %v", err)
+		}
+	}
+}
+
+func (w *WebGui) snapshotLocked() *templateInput {
+	if w.latest == nil {
+		return nil
+	}
+
+	snapshot := cloneTemplateInput(w.latest)
+	snapshot.RemotePanel = copyRemotePanelState(w.remote)
+	return snapshot
+}
+
+func cloneTemplateInput(in *templateInput) *templateInput {
+	if in == nil {
+		return nil
+	}
+	out := *in
+
+	if in.Error != nil {
+		out.Error = append([]error(nil), in.Error...)
+	}
+	if in.LedMap != nil {
+		out.LedMap = make(map[string]string, len(in.LedMap))
+		for k, v := range in.LedMap {
+			out.LedMap[k] = v
+		}
+	}
+
+	out.RemotePanel = copyRemotePanelState(in.RemotePanel)
+	return &out
+}
+
+func copyRemotePanelState(in remotePanelState) remotePanelState {
+	in.CurrentLimit = copyFloat64Ptr(in.CurrentLimit)
+	in.Standby = copyBoolPtr(in.Standby)
+	return in
+}
+
+func copyFloat64Ptr(in *float64) *float64 {
+	if in == nil {
+		return nil
+	}
+	value := *in
+	return &value
+}
+
+func copyBoolPtr(in *bool) *bool {
+	if in == nil {
+		return nil
+	}
+	value := *in
+	return &value
+}
+
+func decodeJSONBody(r *http.Request, destination any) error {
+	defer r.Body.Close()
+	decoder := json.NewDecoder(r.Body)
+	decoder.DisallowUnknownFields()
+	if err := decoder.Decode(destination); err != nil {
+		return fmt.Errorf("invalid request body: %w", err)
+	}
+	return nil
+}
+
+func writeJSON(rw http.ResponseWriter, statusCode int, payload any) {
+	rw.Header().Set("Content-Type", "application/json")
+	rw.WriteHeader(statusCode)
+	if err := json.NewEncoder(rw).Encode(payload); err != nil {
+		log.Errorf("Could not encode webui API response: %v", err)
+	}
+}

plugins/webui/webgui_test.go

@@ -36,7 +36,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/diebietse/invertergui/mk2driver"
+	"invertergui/mk2driver"
 )
 
 type templateTest struct {
@@ -91,3 +91,53 @@ func TestTemplateInput(t *testing.T) {
 		}
 	}
 }
+
+func TestParsePanelMode(t *testing.T) {
+	tests := []struct {
+		name    string
+		input   string
+		want    mk2driver.PanelSwitchState
+		wantRaw string
+		wantErr bool
+	}{
+		{
+			name:    "on",
+			input:   "on",
+			want:    mk2driver.PanelSwitchOn,
+			wantRaw: "on",
+		},
+		{
+			name:    "charger_only",
+			input:   "charger_only",
+			want:    mk2driver.PanelSwitchChargerOnly,
+			wantRaw: "charger_only",
+		},
+		{
+			name:    "invalid",
+			input:   "banana",
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, gotRaw, err := parsePanelMode(tt.input)
+			if tt.wantErr {
+				if err == nil {
+					t.Fatal("expected error, got nil")
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tt.want {
+				t.Fatalf("got switch %d, want %d", got, tt.want)
+			}
+			if gotRaw != tt.wantRaw {
+				t.Fatalf("got mode %q, want %q", gotRaw, tt.wantRaw)
+			}
+		})
+	}
+}

vendor/github.com/cespare/xxhash/v2/README.md

@@ -3,8 +3,7 @@
 [![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2)
 [![Test](https://github.com/cespare/xxhash/actions/workflows/test.yml/badge.svg)](https://github.com/cespare/xxhash/actions/workflows/test.yml)
 
-xxhash is a Go implementation of the 64-bit
+xxhash is a Go implementation of the 64-bit [xxHash] algorithm, XXH64. This is a
-[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
 high-quality hashing algorithm that is much faster than anything in the Go
 standard library.
 
@@ -25,8 +24,11 @@ func (*Digest) WriteString(string) (int, error)
 func (*Digest) Sum64() uint64
 ```
 
-This implementation provides a fast pure-Go implementation and an even faster
+The package is written with optimized pure Go and also contains even faster
-assembly implementation for amd64.
+assembly implementations for amd64 and arm64. If desired, the `purego` build tag
+opts into using the Go code even on those architectures.
+
+[xxHash]: http://cyan4973.github.io/xxHash/
 
 ## Compatibility
 
@@ -45,19 +47,20 @@ I recommend using the latest release of Go.
 Here are some quick benchmarks comparing the pure-Go and assembly
 implementations of Sum64.
 
-| input size | purego | asm |
+| input size | purego    | asm       |
-| --- | --- | --- |
+| ---------- | --------- | --------- |
-| 5 B   |  979.66 MB/s |  1291.17 MB/s  |
+| 4 B        |  1.3 GB/s |  1.2 GB/s |
-| 100 B | 7475.26 MB/s | 7973.40 MB/s  |
+| 16 B       |  2.9 GB/s |  3.5 GB/s |
-| 4 KB  | 17573.46 MB/s | 17602.65 MB/s |
+| 100 B      |  6.9 GB/s |  8.1 GB/s |
-| 10 MB | 17131.46 MB/s | 17142.16 MB/s |
+| 4 KB       | 11.7 GB/s | 16.7 GB/s |
+| 10 MB      | 12.0 GB/s | 17.3 GB/s |
 
-These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using
+These numbers were generated on Ubuntu 20.04 with an Intel Xeon Platinum 8252C
-the following commands under Go 1.11.2:
+CPU using the following commands under Go 1.19.2:
 
 ```
-$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes'
+benchstat <(go test -tags purego -benchtime 500ms -count 15 -bench 'Sum64$')
-$ go test -benchtime 10s -bench '/xxhash,direct,bytes'
+benchstat <(go test -benchtime 500ms -count 15 -bench 'Sum64$')
 ```
 
 ## Projects using this package
@@ -67,3 +70,5 @@ $ go test -benchtime 10s -bench '/xxhash,direct,bytes'
 - [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics)
 - [FreeCache](https://github.com/coocood/freecache)
 - [FastCache](https://github.com/VictoriaMetrics/fastcache)
+- [Ristretto](https://github.com/dgraph-io/ristretto)
+- [Badger](https://github.com/dgraph-io/badger)

vendor/github.com/cespare/xxhash/v2/testall.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -eu -o pipefail
+
+# Small convenience script for running the tests with various combinations of
+# arch/tags. This assumes we're running on amd64 and have qemu available.
+
+go test ./...
+go test -tags purego ./...
+GOARCH=arm64 go test
+GOARCH=arm64 go test -tags purego

vendor/github.com/cespare/xxhash/v2/xxhash.go

@@ -16,21 +16,16 @@ const (
 	prime5 uint64 = 2870177450012600261
 )
 
-// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where
+// Store the primes in an array as well.
-// possible in the Go code is worth a small (but measurable) performance boost
+//
-// by avoiding some MOVQs. Vars are needed for the asm and also are useful for
+// The consts are used when possible in Go code to avoid MOVs but we need a
-// convenience in the Go code in a few places where we need to intentionally
+// contiguous array for the assembly code.
-// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the
+var primes = [...]uint64{prime1, prime2, prime3, prime4, prime5}
-// result overflows a uint64).
-var (
-	prime1v = prime1
-	prime2v = prime2
-	prime3v = prime3
-	prime4v = prime4
-	prime5v = prime5
-)
 
 // Digest implements hash.Hash64.
+//
+// Note that a zero-valued Digest is not ready to receive writes.
+// Call Reset or create a Digest using New before calling other methods.
 type Digest struct {
 	v1    uint64
 	v2    uint64
@@ -41,19 +36,31 @@ type Digest struct {
 	n     int // how much of mem is used
 }
 
-// New creates a new Digest that computes the 64-bit xxHash algorithm.
+// New creates a new Digest with a zero seed.
 func New() *Digest {
+	return NewWithSeed(0)
+}
+
+// NewWithSeed creates a new Digest with the given seed.
+func NewWithSeed(seed uint64) *Digest {
 	var d Digest
-	d.Reset()
+	d.ResetWithSeed(seed)
 	return &d
 }
 
 // Reset clears the Digest's state so that it can be reused.
+// It uses a seed value of zero.
 func (d *Digest) Reset() {
-	d.v1 = prime1v + prime2
+	d.ResetWithSeed(0)
-	d.v2 = prime2
+}
-	d.v3 = 0
+
-	d.v4 = -prime1v
+// ResetWithSeed clears the Digest's state so that it can be reused.
+// It uses the given seed to initialize the state.
+func (d *Digest) ResetWithSeed(seed uint64) {
+	d.v1 = seed + prime1 + prime2
+	d.v2 = seed + prime2
+	d.v3 = seed
+	d.v4 = seed - prime1
 	d.total = 0
 	d.n = 0
 }
@@ -69,21 +76,23 @@ func (d *Digest) Write(b []byte) (n int, err error) {
 	n = len(b)
 	d.total += uint64(n)
 
+	memleft := d.mem[d.n&(len(d.mem)-1):]
+
 	if d.n+n < 32 {
 		// This new data doesn't even fill the current block.
-		copy(d.mem[d.n:], b)
+		copy(memleft, b)
 		d.n += n
 		return
 	}
 
 	if d.n > 0 {
 		// Finish off the partial block.
-		copy(d.mem[d.n:], b)
+		c := copy(memleft, b)
 		d.v1 = round(d.v1, u64(d.mem[0:8]))
 		d.v2 = round(d.v2, u64(d.mem[8:16]))
 		d.v3 = round(d.v3, u64(d.mem[16:24]))
 		d.v4 = round(d.v4, u64(d.mem[24:32]))
-		b = b[32-d.n:]
+		b = b[c:]
 		d.n = 0
 	}
 
@@ -133,21 +142,20 @@ func (d *Digest) Sum64() uint64 {
 
 	h += d.total
 
-	i, end := 0, d.n
+	b := d.mem[:d.n&(len(d.mem)-1)]
-	for ; i+8 <= end; i += 8 {
+	for ; len(b) >= 8; b = b[8:] {
-		k1 := round(0, u64(d.mem[i:i+8]))
+		k1 := round(0, u64(b[:8]))
 		h ^= k1
 		h = rol27(h)*prime1 + prime4
 	}
-	if i+4 <= end {
+	if len(b) >= 4 {
-		h ^= uint64(u32(d.mem[i:i+4])) * prime1
+		h ^= uint64(u32(b[:4])) * prime1
 		h = rol23(h)*prime2 + prime3
-		i += 4
+		b = b[4:]
 	}
-	for i < end {
+	for ; len(b) > 0; b = b[1:] {
-		h ^= uint64(d.mem[i]) * prime5
+		h ^= uint64(b[0]) * prime5
 		h = rol11(h) * prime1
-		i++
 	}
 
 	h ^= h >> 33

vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s

@@ -1,215 +1,209 @@
+//go:build !appengine && gc && !purego
 // +build !appengine
 // +build gc
 // +build !purego
 
 #include "textflag.h"
 
-// Register allocation:
+// Registers:
-// AX	h
+#define h      AX
-// SI	pointer to advance through b
+#define d      AX
-// DX	n
+#define p      SI // pointer to advance through b
-// BX	loop end
+#define n      DX
-// R8	v1, k1
+#define end    BX // loop end
-// R9	v2
+#define v1     R8
-// R10	v3
+#define v2     R9
-// R11	v4
+#define v3     R10
-// R12	tmp
+#define v4     R11
-// R13	prime1v
+#define x      R12
-// R14	prime2v
+#define prime1 R13
-// DI	prime4v
+#define prime2 R14
+#define prime4 DI
 
-// round reads from and advances the buffer pointer in SI.
+#define round(acc, x) \
-// It assumes that R13 has prime1v and R14 has prime2v.
+	IMULQ prime2, x   \
-#define round(r) \
+	ADDQ  x, acc      \
-	MOVQ  (SI), R12 \
+	ROLQ  $31, acc    \
-	ADDQ  $8, SI    \
+	IMULQ prime1, acc
-	IMULQ R14, R12  \
-	ADDQ  R12, r    \
-	ROLQ  $31, r    \
-	IMULQ R13, r
 
-// mergeRound applies a merge round on the two registers acc and val.
+// round0 performs the operation x = round(0, x).
-// It assumes that R13 has prime1v, R14 has prime2v, and DI has prime4v.
+#define round0(x) \
-#define mergeRound(acc, val) \
+	IMULQ prime2, x \
-	IMULQ R14, val \
+	ROLQ  $31, x    \
-	ROLQ  $31, val \
+	IMULQ prime1, x
-	IMULQ R13, val \
+
-	XORQ  val, acc \
+// mergeRound applies a merge round on the two registers acc and x.
-	IMULQ R13, acc \
+// It assumes that prime1, prime2, and prime4 have been loaded.
-	ADDQ  DI, acc
+#define mergeRound(acc, x) \
+	round0(x)         \
+	XORQ  x, acc      \
+	IMULQ prime1, acc \
+	ADDQ  prime4, acc
+
+// blockLoop processes as many 32-byte blocks as possible,
+// updating v1, v2, v3, and v4. It assumes that there is at least one block
+// to process.
+#define blockLoop() \
+loop:  \
+	MOVQ +0(p), x  \
+	round(v1, x)   \
+	MOVQ +8(p), x  \
+	round(v2, x)   \
+	MOVQ +16(p), x \
+	round(v3, x)   \
+	MOVQ +24(p), x \
+	round(v4, x)   \
+	ADDQ $32, p    \
+	CMPQ p, end    \
+	JLE  loop
 
 // func Sum64(b []byte) uint64
-TEXT ·Sum64(SB), NOSPLIT, $0-32
+TEXT ·Sum64(SB), NOSPLIT|NOFRAME, $0-32
 	// Load fixed primes.
-	MOVQ ·prime1v(SB), R13
+	MOVQ ·primes+0(SB), prime1
-	MOVQ ·prime2v(SB), R14
+	MOVQ ·primes+8(SB), prime2
-	MOVQ ·prime4v(SB), DI
+	MOVQ ·primes+24(SB), prime4
 
 	// Load slice.
-	MOVQ b_base+0(FP), SI
+	MOVQ b_base+0(FP), p
-	MOVQ b_len+8(FP), DX
+	MOVQ b_len+8(FP), n
-	LEAQ (SI)(DX*1), BX
+	LEAQ (p)(n*1), end
 
 	// The first loop limit will be len(b)-32.
-	SUBQ $32, BX
+	SUBQ $32, end
 
 	// Check whether we have at least one block.
-	CMPQ DX, $32
+	CMPQ n, $32
 	JLT  noBlocks
 
 	// Set up initial state (v1, v2, v3, v4).
-	MOVQ R13, R8
+	MOVQ prime1, v1
-	ADDQ R14, R8
+	ADDQ prime2, v1
-	MOVQ R14, R9
+	MOVQ prime2, v2
-	XORQ R10, R10
+	XORQ v3, v3
-	XORQ R11, R11
+	XORQ v4, v4
-	SUBQ R13, R11
+	SUBQ prime1, v4
 
-	// Loop until SI > BX.
+	blockLoop()
-blockLoop:
-	round(R8)
-	round(R9)
-	round(R10)
-	round(R11)
 
-	CMPQ SI, BX
+	MOVQ v1, h
-	JLE  blockLoop
+	ROLQ $1, h
+	MOVQ v2, x
+	ROLQ $7, x
+	ADDQ x, h
+	MOVQ v3, x
+	ROLQ $12, x
+	ADDQ x, h
+	MOVQ v4, x
+	ROLQ $18, x
+	ADDQ x, h
 
-	MOVQ R8, AX
+	mergeRound(h, v1)
-	ROLQ $1, AX
+	mergeRound(h, v2)
-	MOVQ R9, R12
+	mergeRound(h, v3)
-	ROLQ $7, R12
+	mergeRound(h, v4)
-	ADDQ R12, AX
-	MOVQ R10, R12
-	ROLQ $12, R12
-	ADDQ R12, AX
-	MOVQ R11, R12
-	ROLQ $18, R12
-	ADDQ R12, AX
-
-	mergeRound(AX, R8)
-	mergeRound(AX, R9)
-	mergeRound(AX, R10)
-	mergeRound(AX, R11)
 
 	JMP afterBlocks
 
 noBlocks:
-	MOVQ ·prime5v(SB), AX
+	MOVQ ·primes+32(SB), h
 
 afterBlocks:
-	ADDQ DX, AX
+	ADDQ n, h
 
-	// Right now BX has len(b)-32, and we want to loop until SI > len(b)-8.
+	ADDQ $24, end
-	ADDQ $24, BX
+	CMPQ p, end
+	JG   try4
 
-	CMPQ SI, BX
+loop8:
-	JG   fourByte
+	MOVQ  (p), x
+	ADDQ  $8, p
+	round0(x)
+	XORQ  x, h
+	ROLQ  $27, h
+	IMULQ prime1, h
+	ADDQ  prime4, h
 
-wordLoop:
+	CMPQ p, end
-	// Calculate k1.
+	JLE  loop8
-	MOVQ  (SI), R8
-	ADDQ  $8, SI
-	IMULQ R14, R8
-	ROLQ  $31, R8
-	IMULQ R13, R8
 
-	XORQ  R8, AX
+try4:
-	ROLQ  $27, AX
+	ADDQ $4, end
-	IMULQ R13, AX
+	CMPQ p, end
-	ADDQ  DI, AX
+	JG   try1
 
-	CMPQ SI, BX
+	MOVL  (p), x
-	JLE  wordLoop
+	ADDQ  $4, p
+	IMULQ prime1, x
+	XORQ  x, h
 
-fourByte:
+	ROLQ  $23, h
-	ADDQ $4, BX
+	IMULQ prime2, h
-	CMPQ SI, BX
+	ADDQ  ·primes+16(SB), h
-	JG   singles
 
-	MOVL  (SI), R8
+try1:
-	ADDQ  $4, SI
+	ADDQ $4, end
-	IMULQ R13, R8
+	CMPQ p, end
-	XORQ  R8, AX
-
-	ROLQ  $23, AX
-	IMULQ R14, AX
-	ADDQ  ·prime3v(SB), AX
-
-singles:
-	ADDQ $4, BX
-	CMPQ SI, BX
 	JGE  finalize
 
-singlesLoop:
+loop1:
-	MOVBQZX (SI), R12
+	MOVBQZX (p), x
-	ADDQ    $1, SI
+	ADDQ    $1, p
-	IMULQ   ·prime5v(SB), R12
+	IMULQ   ·primes+32(SB), x
-	XORQ    R12, AX
+	XORQ    x, h
+	ROLQ    $11, h
+	IMULQ   prime1, h
 
-	ROLQ  $11, AX
+	CMPQ p, end
-	IMULQ R13, AX
+	JL   loop1
-
-	CMPQ SI, BX
-	JL   singlesLoop
 
 finalize:
-	MOVQ  AX, R12
+	MOVQ  h, x
-	SHRQ  $33, R12
+	SHRQ  $33, x
-	XORQ  R12, AX
+	XORQ  x, h
-	IMULQ R14, AX
+	IMULQ prime2, h
-	MOVQ  AX, R12
+	MOVQ  h, x
-	SHRQ  $29, R12
+	SHRQ  $29, x
-	XORQ  R12, AX
+	XORQ  x, h
-	IMULQ ·prime3v(SB), AX
+	IMULQ ·primes+16(SB), h
-	MOVQ  AX, R12
+	MOVQ  h, x
-	SHRQ  $32, R12
+	SHRQ  $32, x
-	XORQ  R12, AX
+	XORQ  x, h
 
-	MOVQ AX, ret+24(FP)
+	MOVQ h, ret+24(FP)
 	RET
 
-// writeBlocks uses the same registers as above except that it uses AX to store
-// the d pointer.
-
 // func writeBlocks(d *Digest, b []byte) int
-TEXT ·writeBlocks(SB), NOSPLIT, $0-40
+TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40
 	// Load fixed primes needed for round.
-	MOVQ ·prime1v(SB), R13
+	MOVQ ·primes+0(SB), prime1
-	MOVQ ·prime2v(SB), R14
+	MOVQ ·primes+8(SB), prime2
 
 	// Load slice.
-	MOVQ b_base+8(FP), SI
+	MOVQ b_base+8(FP), p
-	MOVQ b_len+16(FP), DX
+	MOVQ b_len+16(FP), n
-	LEAQ (SI)(DX*1), BX
+	LEAQ (p)(n*1), end
-	SUBQ $32, BX
+	SUBQ $32, end
 
 	// Load vN from d.
-	MOVQ d+0(FP), AX
+	MOVQ s+0(FP), d
-	MOVQ 0(AX), R8   // v1
+	MOVQ 0(d), v1
-	MOVQ 8(AX), R9   // v2
+	MOVQ 8(d), v2
-	MOVQ 16(AX), R10 // v3
+	MOVQ 16(d), v3
-	MOVQ 24(AX), R11 // v4
+	MOVQ 24(d), v4
 
 	// We don't need to check the loop condition here; this function is
 	// always called with at least one block of data to process.
-blockLoop:
+	blockLoop()
-	round(R8)
-	round(R9)
-	round(R10)
-	round(R11)
-
-	CMPQ SI, BX
-	JLE  blockLoop
 
 	// Copy vN back to d.
-	MOVQ R8, 0(AX)
+	MOVQ v1, 0(d)
-	MOVQ R9, 8(AX)
+	MOVQ v2, 8(d)
-	MOVQ R10, 16(AX)
+	MOVQ v3, 16(d)
-	MOVQ R11, 24(AX)
+	MOVQ v4, 24(d)
 
-	// The number of bytes written is SI minus the old base pointer.
+	// The number of bytes written is p minus the old base pointer.
-	SUBQ b_base+8(FP), SI
+	SUBQ b_base+8(FP), p
-	MOVQ SI, ret+32(FP)
+	MOVQ p, ret+32(FP)
 
 	RET

vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s

@@ -0,0 +1,183 @@
+//go:build !appengine && gc && !purego
+// +build !appengine
+// +build gc
+// +build !purego
+
+#include "textflag.h"
+
+// Registers:
+#define digest	R1
+#define h	R2 // return value
+#define p	R3 // input pointer
+#define n	R4 // input length
+#define nblocks	R5 // n / 32
+#define prime1	R7
+#define prime2	R8
+#define prime3	R9
+#define prime4	R10
+#define prime5	R11
+#define v1	R12
+#define v2	R13
+#define v3	R14
+#define v4	R15
+#define x1	R20
+#define x2	R21
+#define x3	R22
+#define x4	R23
+
+#define round(acc, x) \
+	MADD prime2, acc, x, acc \
+	ROR  $64-31, acc         \
+	MUL  prime1, acc
+
+// round0 performs the operation x = round(0, x).
+#define round0(x) \
+	MUL prime2, x \
+	ROR $64-31, x \
+	MUL prime1, x
+
+#define mergeRound(acc, x) \
+	round0(x)                     \
+	EOR  x, acc                   \
+	MADD acc, prime4, prime1, acc
+
+// blockLoop processes as many 32-byte blocks as possible,
+// updating v1, v2, v3, and v4. It assumes that n >= 32.
+#define blockLoop() \
+	LSR     $5, n, nblocks  \
+	PCALIGN $16             \
+	loop:                   \
+	LDP.P   16(p), (x1, x2) \
+	LDP.P   16(p), (x3, x4) \
+	round(v1, x1)           \
+	round(v2, x2)           \
+	round(v3, x3)           \
+	round(v4, x4)           \
+	SUB     $1, nblocks     \
+	CBNZ    nblocks, loop
+
+// func Sum64(b []byte) uint64
+TEXT ·Sum64(SB), NOSPLIT|NOFRAME, $0-32
+	LDP b_base+0(FP), (p, n)
+
+	LDP  ·primes+0(SB), (prime1, prime2)
+	LDP  ·primes+16(SB), (prime3, prime4)
+	MOVD ·primes+32(SB), prime5
+
+	CMP  $32, n
+	CSEL LT, prime5, ZR, h // if n < 32 { h = prime5 } else { h = 0 }
+	BLT  afterLoop
+
+	ADD  prime1, prime2, v1
+	MOVD prime2, v2
+	MOVD $0, v3
+	NEG  prime1, v4
+
+	blockLoop()
+
+	ROR $64-1, v1, x1
+	ROR $64-7, v2, x2
+	ADD x1, x2
+	ROR $64-12, v3, x3
+	ROR $64-18, v4, x4
+	ADD x3, x4
+	ADD x2, x4, h
+
+	mergeRound(h, v1)
+	mergeRound(h, v2)
+	mergeRound(h, v3)
+	mergeRound(h, v4)
+
+afterLoop:
+	ADD n, h
+
+	TBZ   $4, n, try8
+	LDP.P 16(p), (x1, x2)
+
+	round0(x1)
+
+	// NOTE: here and below, sequencing the EOR after the ROR (using a
+	// rotated register) is worth a small but measurable speedup for small
+	// inputs.
+	ROR  $64-27, h
+	EOR  x1 @> 64-27, h, h
+	MADD h, prime4, prime1, h
+
+	round0(x2)
+	ROR  $64-27, h
+	EOR  x2 @> 64-27, h, h
+	MADD h, prime4, prime1, h
+
+try8:
+	TBZ    $3, n, try4
+	MOVD.P 8(p), x1
+
+	round0(x1)
+	ROR  $64-27, h
+	EOR  x1 @> 64-27, h, h
+	MADD h, prime4, prime1, h
+
+try4:
+	TBZ     $2, n, try2
+	MOVWU.P 4(p), x2
+
+	MUL  prime1, x2
+	ROR  $64-23, h
+	EOR  x2 @> 64-23, h, h
+	MADD h, prime3, prime2, h
+
+try2:
+	TBZ     $1, n, try1
+	MOVHU.P 2(p), x3
+	AND     $255, x3, x1
+	LSR     $8, x3, x2
+
+	MUL prime5, x1
+	ROR $64-11, h
+	EOR x1 @> 64-11, h, h
+	MUL prime1, h
+
+	MUL prime5, x2
+	ROR $64-11, h
+	EOR x2 @> 64-11, h, h
+	MUL prime1, h
+
+try1:
+	TBZ   $0, n, finalize
+	MOVBU (p), x4
+
+	MUL prime5, x4
+	ROR $64-11, h
+	EOR x4 @> 64-11, h, h
+	MUL prime1, h
+
+finalize:
+	EOR h >> 33, h
+	MUL prime2, h
+	EOR h >> 29, h
+	MUL prime3, h
+	EOR h >> 32, h
+
+	MOVD h, ret+24(FP)
+	RET
+
+// func writeBlocks(d *Digest, b []byte) int
+TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40
+	LDP ·primes+0(SB), (prime1, prime2)
+
+	// Load state. Assume v[1-4] are stored contiguously.
+	MOVD d+0(FP), digest
+	LDP  0(digest), (v1, v2)
+	LDP  16(digest), (v3, v4)
+
+	LDP b_base+8(FP), (p, n)
+
+	blockLoop()
+
+	// Store updated state.
+	STP (v1, v2), 0(digest)
+	STP (v3, v4), 16(digest)
+
+	BIC  $31, n
+	MOVD n, ret+32(FP)
+	RET

vendor/github.com/cespare/xxhash/v2/xxhash_asm.go

@@ -1,10 +1,12 @@
+//go:build (amd64 || arm64) && !appengine && gc && !purego
+// +build amd64 arm64
 // +build !appengine
 // +build gc
 // +build !purego
 
 package xxhash
 
-// Sum64 computes the 64-bit xxHash digest of b.
+// Sum64 computes the 64-bit xxHash digest of b with a zero seed.
 //
 //go:noescape
 func Sum64(b []byte) uint64

vendor/github.com/cespare/xxhash/v2/xxhash_other.go

@@ -1,8 +1,9 @@
-// +build !amd64 appengine !gc purego
+//go:build (!amd64 && !arm64) || appengine || !gc || purego
+// +build !amd64,!arm64 appengine !gc purego
 
 package xxhash
 
-// Sum64 computes the 64-bit xxHash digest of b.
+// Sum64 computes the 64-bit xxHash digest of b with a zero seed.
 func Sum64(b []byte) uint64 {
 	// A simpler version would be
 	//   d := New()
@@ -14,10 +15,10 @@ func Sum64(b []byte) uint64 {
 	var h uint64
 
 	if n >= 32 {
-		v1 := prime1v + prime2
+		v1 := primes[0] + prime2
 		v2 := prime2
 		v3 := uint64(0)
-		v4 := -prime1v
+		v4 := -primes[0]
 		for len(b) >= 32 {
 			v1 = round(v1, u64(b[0:8:len(b)]))
 			v2 = round(v2, u64(b[8:16:len(b)]))
@@ -36,19 +37,18 @@ func Sum64(b []byte) uint64 {
 
 	h += uint64(n)
 
-	i, end := 0, len(b)
+	for ; len(b) >= 8; b = b[8:] {
-	for ; i+8 <= end; i += 8 {
+		k1 := round(0, u64(b[:8]))
-		k1 := round(0, u64(b[i:i+8:len(b)]))
 		h ^= k1
 		h = rol27(h)*prime1 + prime4
 	}
-	if i+4 <= end {
+	if len(b) >= 4 {
-		h ^= uint64(u32(b[i:i+4:len(b)])) * prime1
+		h ^= uint64(u32(b[:4])) * prime1
 		h = rol23(h)*prime2 + prime3
-		i += 4
+		b = b[4:]
 	}
-	for ; i < end; i++ {
+	for ; len(b) > 0; b = b[1:] {
-		h ^= uint64(b[i]) * prime5
+		h ^= uint64(b[0]) * prime5
 		h = rol11(h) * prime1
 	}
 

vendor/github.com/cespare/xxhash/v2/xxhash_safe.go

@@ -1,10 +1,11 @@
+//go:build appengine
 // +build appengine
 
 // This file contains the safe implementations of otherwise unsafe-using code.
 
 package xxhash
 
-// Sum64String computes the 64-bit xxHash digest of s.
+// Sum64String computes the 64-bit xxHash digest of s with a zero seed.
 func Sum64String(s string) uint64 {
 	return Sum64([]byte(s))
 }

vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go

@@ -1,3 +1,4 @@
+//go:build !appengine
 // +build !appengine
 
 // This file encapsulates usage of unsafe.
@@ -11,7 +12,7 @@ import (
 
 // In the future it's possible that compiler optimizations will make these
 // XxxString functions unnecessary by realizing that calls such as
-// Sum64([]byte(s)) don't need to copy s. See https://golang.org/issue/2205.
+// Sum64([]byte(s)) don't need to copy s. See https://go.dev/issue/2205.
 // If that happens, even if we keep these functions they can be replaced with
 // the trivial safe code.
 
@@ -32,7 +33,7 @@ import (
 //
 // See https://github.com/golang/go/issues/42739 for discussion.
 
-// Sum64String computes the 64-bit xxHash digest of s.
+// Sum64String computes the 64-bit xxHash digest of s with a zero seed.
 // It may be faster than Sum64([]byte(s)) by avoiding a copy.
 func Sum64String(s string) uint64 {
 	b := *(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)}))

vendor/github.com/eclipse/paho.mqtt.golang/README.md

@@ -113,7 +113,9 @@ identifier; this is as per the [spec](https://docs.oasis-open.org/mqtt/mqtt/v3.1
 not received, disconnecting` errors). 
 * When QOS1+ subscriptions have been created previously and you connect with `CleanSession` set to false it is possible 
 that the broker will deliver retained messages before `Subscribe` can be called. To process these messages either 
-configure a handler with `AddRoute` or set a `DefaultPublishHandler`.
+configure a handler with `AddRoute` or set a `DefaultPublishHandler`. If there is no handler (or `DefaultPublishHandler`) 
+then inbound messages will not be acknowledged. Adding a handler (even if it's  `opts.SetDefaultPublishHandler(func(mqtt.Client, mqtt.Message) {})`) 
+is highly recommended to avoid inadvertently hitting inflight message limits.
 * Loss of network connectivity may not be detected immediately. If this is an issue then consider setting 
 `ClientOptions.KeepAlive` (sends regular messages to check the link is active).
 * Reusing a `Client` is not completely safe. After calling `Disconnect` please create a new Client (`NewClient()`) rather 
@@ -193,4 +195,4 @@ Discussion of the Paho clients takes place on the [Eclipse paho-dev mailing list
 
 General questions about the MQTT protocol are discussed in the [MQTT Google Group](https://groups.google.com/forum/?hl=en-US&fromgroups#!forum/mqtt).
 
-There is much more information available via the [MQTT community site](http://mqtt.org).
+There is much more information available via the [MQTT community site](http://mqtt.org).

vendor/github.com/eclipse/paho.mqtt.golang/backoff.go

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2021 IBM Corp and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ *
+ * The Eclipse Public License is available at
+ *    https://www.eclipse.org/legal/epl-2.0/
+ * and the Eclipse Distribution License is available at
+ *   http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * Contributors:
+ *    Matt Brittan
+ *    Daichi Tomaru
+ */
+
+package mqtt
+
+import (
+	"sync"
+	"time"
+)
+
+// Controller for sleep with backoff when the client attempts reconnection
+// It has statuses for each situations cause reconnection.
+type backoffController struct {
+	sync.RWMutex
+	statusMap map[string]*backoffStatus
+}
+
+type backoffStatus struct {
+	lastSleepPeriod time.Duration
+	lastErrorTime   time.Time
+}
+
+func newBackoffController() *backoffController {
+	return &backoffController{
+		statusMap: map[string]*backoffStatus{},
+	}
+}
+
+// Calculate next sleep period from the specified parameters.
+// Returned values are next sleep period and whether the error situation is continual.
+// If connection errors continuouslly occurs, its sleep period is exponentially increased.
+// Also if there is a lot of time between last and this error, sleep period is initialized.
+func (b *backoffController) getBackoffSleepTime(
+	situation string, initSleepPeriod time.Duration, maxSleepPeriod time.Duration, processTime time.Duration, skipFirst bool,
+) (time.Duration, bool) {
+	// Decide first sleep time if the situation is not continual. 
+	var firstProcess = func(status *backoffStatus, init time.Duration, skip bool) (time.Duration, bool) {
+		if skip {
+			status.lastSleepPeriod = 0
+			return 0, false
+		}
+		status.lastSleepPeriod = init
+		return init, false
+	}
+
+	// Prioritize maxSleep.
+	if initSleepPeriod > maxSleepPeriod {
+		initSleepPeriod = maxSleepPeriod
+	}
+	b.Lock()
+	defer b.Unlock()
+
+	status, exist := b.statusMap[situation]
+	if !exist {
+		b.statusMap[situation] = &backoffStatus{initSleepPeriod, time.Now()}
+		return firstProcess(b.statusMap[situation], initSleepPeriod, skipFirst)
+	}
+
+	oldTime := status.lastErrorTime
+	status.lastErrorTime = time.Now()
+
+	// When there is a lot of time between last and this error, sleep period is initialized.
+	if status.lastErrorTime.Sub(oldTime) > (processTime * 2 + status.lastSleepPeriod) {
+		return firstProcess(status, initSleepPeriod, skipFirst)
+	}
+
+	if status.lastSleepPeriod == 0 {
+		status.lastSleepPeriod = initSleepPeriod
+		return initSleepPeriod, true
+	}
+
+	if nextSleepPeriod := status.lastSleepPeriod * 2; nextSleepPeriod <= maxSleepPeriod {
+		status.lastSleepPeriod = nextSleepPeriod
+	} else {
+		status.lastSleepPeriod = maxSleepPeriod
+	}
+
+	return status.lastSleepPeriod, true
+}
+
+// Execute sleep the time returned from getBackoffSleepTime.
+func (b *backoffController) sleepWithBackoff(
+	situation string, initSleepPeriod time.Duration, maxSleepPeriod time.Duration, processTime time.Duration, skipFirst bool,
+) (time.Duration, bool) {
+	sleep, isFirst := b.getBackoffSleepTime(situation, initSleepPeriod, maxSleepPeriod, processTime, skipFirst)
+	if sleep != 0 {
+		time.Sleep(sleep)
+	}
+	return sleep, isFirst
+}

vendor/github.com/eclipse/paho.mqtt.golang/client.go

@@ -141,6 +141,8 @@ type client struct {
 	stop         chan struct{}  // Closed to request that workers stop
 	workers      sync.WaitGroup // used to wait for workers to complete (ping, keepalive, errwatch, resume)
 	commsStopped chan struct{}  // closed when the comms routines have stopped (kept running until after workers have closed to avoid deadlocks)
+
+	backoff *backoffController
 }
 
 // NewClient will create an MQTT v3.1.1 client with all of the options specified
@@ -169,6 +171,7 @@ func NewClient(o *ClientOptions) Client {
 	c.msgRouter.setDefaultHandler(c.options.DefaultPublishHandler)
 	c.obound = make(chan *PacketAndToken)
 	c.oboundP = make(chan *PacketAndToken)
+	c.backoff = newBackoffController()
 	return c
 }
 
@@ -255,12 +258,15 @@ func (c *client) Connect() Token {
 			return
 		}
 
+		var attemptCount int
+
 	RETRYCONN:
 		var conn net.Conn
 		var rc byte
 		var err error
-		conn, rc, t.sessionPresent, err = c.attemptConnection()
+		conn, rc, t.sessionPresent, err = c.attemptConnection(false, attemptCount)
 		if err != nil {
+			attemptCount++
 			if c.options.ConnectRetry {
 				DEBUG.Println(CLI, "Connect failed, sleeping for", int(c.options.ConnectRetryInterval.Seconds()), "seconds and will then retry, error:", err.Error())
 				time.Sleep(c.options.ConnectRetryInterval)
@@ -302,28 +308,29 @@ func (c *client) Connect() Token {
 func (c *client) reconnect(connectionUp connCompletedFn) {
 	DEBUG.Println(CLI, "enter reconnect")
 	var (
-		sleep = 1 * time.Second
+		initSleep = 1 * time.Second
-		conn  net.Conn
+		conn      net.Conn
 	)
 
+	// If the reason of connection lost is same as the before one, sleep timer is set before attempting connection is started.
+	// Sleep time is exponentially increased as the same situation continues
+	if slp, isContinual := c.backoff.sleepWithBackoff("connectionLost", initSleep, c.options.MaxReconnectInterval, 3*time.Second, true); isContinual {
+		DEBUG.Println(CLI, "Detect continual connection lost after reconnect, slept for", int(slp.Seconds()), "seconds")
+	}
+
+	var attemptCount int
 	for {
 		if nil != c.options.OnReconnecting {
 			c.options.OnReconnecting(c, &c.options)
 		}
 		var err error
-		conn, _, _, err = c.attemptConnection()
+		conn, _, _, err = c.attemptConnection(true, attemptCount)
 		if err == nil {
 			break
 		}
-		DEBUG.Println(CLI, "Reconnect failed, sleeping for", int(sleep.Seconds()), "seconds:", err)
+		attemptCount++
-		time.Sleep(sleep)
+		sleep, _ := c.backoff.sleepWithBackoff("attemptReconnection", initSleep, c.options.MaxReconnectInterval, c.options.ConnectTimeout, false)
-		if sleep < c.options.MaxReconnectInterval {
+		DEBUG.Println(CLI, "Reconnect failed, slept for", int(sleep.Seconds()), "seconds:", err)
-			sleep *= 2
-		}
-
-		if sleep > c.options.MaxReconnectInterval {
-			sleep = c.options.MaxReconnectInterval
-		}
 
 		if c.status.ConnectionStatus() != reconnecting { // Disconnect may have been called
 			if err := connectionUp(false); err != nil { // Should always return an error
@@ -349,7 +356,7 @@ func (c *client) reconnect(connectionUp connCompletedFn) {
 // byte - Return code (packets.Accepted indicates a successful connection).
 // bool - SessionPresent flag from the connect ack (only valid if packets.Accepted)
 // err - Error (err != nil guarantees that conn has been set to active connection).
-func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
+func (c *client) attemptConnection(isReconnect bool, attempt int) (net.Conn, byte, bool, error) {
 	protocolVersion := c.options.ProtocolVersion
 	var (
 		sessionPresent bool
@@ -358,6 +365,10 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
 		rc             byte
 	)
 
+	if c.options.OnConnectionNotification != nil {
+		c.options.OnConnectionNotification(c, ConnectionNotificationConnecting{isReconnect, attempt})
+	}
+
 	c.optionsMu.Lock() // Protect c.options.Servers so that servers can be added in test cases
 	brokers := c.options.Servers
 	c.optionsMu.Unlock()
@@ -370,6 +381,9 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
 			DEBUG.Println(CLI, "using custom onConnectAttempt handler...")
 			tlsCfg = c.options.OnConnectAttempt(broker, c.options.TLSConfig)
 		}
+		if c.options.OnConnectionNotification != nil {
+			c.options.OnConnectionNotification(c, ConnectionNotificationBroker{broker})
+		}
 		connDeadline := time.Now().Add(c.options.ConnectTimeout) // Time by which connection must be established
 		dialer := c.options.Dialer
 		if dialer == nil { //
@@ -386,6 +400,9 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
 			ERROR.Println(CLI, err.Error())
 			WARN.Println(CLI, "failed to connect to broker, trying next")
 			rc = packets.ErrNetworkError
+			if c.options.OnConnectionNotification != nil {
+				c.options.OnConnectionNotification(c, ConnectionNotificationBrokerFailed{broker, err})
+			}
 			continue
 		}
 		DEBUG.Println(CLI, "socket connected to broker")
@@ -425,9 +442,12 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
 		if rc != packets.ErrNetworkError { // mqtt error
 			err = packets.ConnErrors[rc]
 		} else { // network error (if this occurred in ConnectMQTT then err will be nil)
-			err = fmt.Errorf("%s : %s", packets.ConnErrors[rc], err)
+			err = fmt.Errorf("%w : %w", packets.ConnErrors[rc], err)
 		}
 	}
+	if err != nil && c.options.OnConnectionNotification != nil {
+		c.options.OnConnectionNotification(c, ConnectionNotificationFailed{err})
+	}
 	return conn, rc, sessionPresent, err
 }
 
@@ -562,6 +582,9 @@ func (c *client) internalConnLost(whyConnLost error) {
 		if c.options.OnConnectionLost != nil {
 			go c.options.OnConnectionLost(c, whyConnLost)
 		}
+		if c.options.OnConnectionNotification != nil {
+			go c.options.OnConnectionNotification(c, ConnectionNotificationLost{whyConnLost})
+		}
 		DEBUG.Println(CLI, "internalConnLost complete")
 	}()
 }
@@ -599,21 +622,21 @@ func (c *client) startCommsWorkers(conn net.Conn, connectionUp connCompletedFn,
 	c.workers.Add(1) // Done will be called when ackOut is closed
 	ackOut := c.msgRouter.matchAndDispatch(incomingPubChan, c.options.Order, c)
 
-	// The connection is now ready for use (we spin up a few go routines below). It is possible that
+	// The connection is now ready for use (we spin up a few go routines below).
-	// Disconnect has been called in the interim...
+	// It is possible that Disconnect has been called in the interim...
+	// issue 675：we will allow the connection to complete before the Disconnect is allowed to proceed
+	//   as if a Disconnect event occurred immediately after connectionUp(true) completed.
 	if err := connectionUp(true); err != nil {
-		DEBUG.Println(CLI, err)
+		ERROR.Println(CLI, err)
-		close(c.stop) // Tidy up anything we have already started
-		close(incomingPubChan)
-		c.workers.Wait()
-		c.conn.Close()
-		c.conn = nil
-		return false
 	}
+
 	DEBUG.Println(CLI, "client is connected/reconnected")
 	if c.options.OnConnect != nil {
 		go c.options.OnConnect(c)
 	}
+	if c.options.OnConnectionNotification != nil {
+		go c.options.OnConnectionNotification(c, ConnectionNotificationConnected{})
+	}
 
 	// c.oboundP and c.obound need to stay active for the life of the client because, depending upon the options,
 	// messages may be published while the client is disconnected (they will block unless in a goroutine). However
@@ -797,9 +820,13 @@ func (c *client) Publish(topic string, qos byte, retained bool, payload interfac
 		if publishWaitTimeout == 0 {
 			publishWaitTimeout = time.Second * 30
 		}
+
+		t := time.NewTimer(publishWaitTimeout)
+		defer t.Stop()
+
 		select {
 		case c.obound <- &PacketAndToken{p: pub, t: token}:
-		case <-time.After(publishWaitTimeout):
+		case <-t.C:
 			token.setError(errors.New("publish was broken by timeout"))
 		}
 	}

vendor/github.com/eclipse/paho.mqtt.golang/filestore.go

@@ -19,7 +19,7 @@
 package mqtt
 
 import (
-	"io/ioutil"
+	"io/fs"
 	"os"
 	"path"
 	"sort"
@@ -159,15 +159,20 @@ func (store *FileStore) Reset() {
 func (store *FileStore) all() []string {
 	var err error
 	var keys []string
-	var files fileInfos
 
 	if !store.opened {
 		ERROR.Println(STR, "trying to use file store, but not open")
 		return nil
 	}
 
-	files, err = ioutil.ReadDir(store.directory)
+	entries, err := os.ReadDir(store.directory)
 	chkerr(err)
+	files := make(fileInfos, 0, len(entries))
+	for _, entry := range entries {
+		info, err := entry.Info()
+		chkerr(err)
+		files = append(files, info)
+	}
 	sort.Sort(files)
 	for _, f := range files {
 		DEBUG.Println(STR, "file in All():", f.Name())
@@ -246,7 +251,7 @@ func exists(file string) bool {
 	return true
 }
 
-type fileInfos []os.FileInfo
+type fileInfos []fs.FileInfo
 
 func (f fileInfos) Len() int {
 	return len(f)

vendor/github.com/eclipse/paho.mqtt.golang/net.go

@@ -444,24 +444,23 @@ func startComms(conn net.Conn, // Network connection (must be active)
 }
 
 // ackFunc acknowledges a packet
-// WARNING the function returned must not be called if the comms routine is shutting down or not running
+// WARNING sendAck may be called at any time (even after the connection is dead). At the time of writing ACK sent after
-// (it needs outgoing comms in order to send the acknowledgement). Currently this is only called from
+// connection loss will be dropped (this is not ideal)
-// matchAndDispatch which will be shutdown before the comms are
+func ackFunc(sendAck func(*PacketAndToken), persist Store, packet *packets.PublishPacket) func() {
-func ackFunc(oboundP chan *PacketAndToken, persist Store, packet *packets.PublishPacket) func() {
 	return func() {
 		switch packet.Qos {
 		case 2:
 			pr := packets.NewControlPacket(packets.Pubrec).(*packets.PubrecPacket)
 			pr.MessageID = packet.MessageID
 			DEBUG.Println(NET, "putting pubrec msg on obound")
-			oboundP <- &PacketAndToken{p: pr, t: nil}
+			sendAck(&PacketAndToken{p: pr, t: nil})
 			DEBUG.Println(NET, "done putting pubrec msg on obound")
 		case 1:
 			pa := packets.NewControlPacket(packets.Puback).(*packets.PubackPacket)
 			pa.MessageID = packet.MessageID
 			DEBUG.Println(NET, "putting puback msg on obound")
-			persistOutbound(persist, pa)
+			persistOutbound(persist, pa) // May fail if store has been closed
-			oboundP <- &PacketAndToken{p: pa, t: nil}
+			sendAck(&PacketAndToken{p: pa, t: nil})
 			DEBUG.Println(NET, "done putting puback msg on obound")
 		case 0:
 			// do nothing, since there is no need to send an ack packet back

vendor/github.com/eclipse/paho.mqtt.golang/netconn.go

@@ -40,22 +40,17 @@ import (
 func openConnection(uri *url.URL, tlsc *tls.Config, timeout time.Duration, headers http.Header, websocketOptions *WebsocketOptions, dialer *net.Dialer) (net.Conn, error) {
 	switch uri.Scheme {
 	case "ws":
-		conn, err := NewWebsocket(uri.String(), nil, timeout, headers, websocketOptions)
+		dialURI := *uri // #623 - Gorilla Websockets does not accept URL's where uri.User != nil
+		dialURI.User = nil
+		conn, err := NewWebsocket(dialURI.String(), nil, timeout, headers, websocketOptions)
 		return conn, err
 	case "wss":
-		conn, err := NewWebsocket(uri.String(), tlsc, timeout, headers, websocketOptions)
+		dialURI := *uri // #623 - Gorilla Websockets does not accept URL's where uri.User != nil
+		dialURI.User = nil
+		conn, err := NewWebsocket(dialURI.String(), tlsc, timeout, headers, websocketOptions)
 		return conn, err
 	case "mqtt", "tcp":
-		allProxy := os.Getenv("all_proxy")
+		proxyDialer := proxy.FromEnvironmentUsing(dialer)
-		if len(allProxy) == 0 {
-			conn, err := dialer.Dial("tcp", uri.Host)
-			if err != nil {
-				return nil, err
-			}
-			return conn, nil
-		}
-		proxyDialer := proxy.FromEnvironment()
-
 		conn, err := proxyDialer.Dial("tcp", uri.Host)
 		if err != nil {
 			return nil, err

vendor/github.com/eclipse/paho.mqtt.golang/options.go

@@ -62,93 +62,99 @@ type ConnectionAttemptHandler func(broker *url.URL, tlsCfg *tls.Config) *tls.Con
 // Does not carry out any MQTT specific handshakes.
 type OpenConnectionFunc func(uri *url.URL, options ClientOptions) (net.Conn, error)
 
+// ConnectionNotificationHandler is invoked for any type of connection event.
+type ConnectionNotificationHandler func(Client, ConnectionNotification)
+
 // ClientOptions contains configurable options for an Client. Note that these should be set using the
 // relevant methods (e.g. AddBroker) rather than directly. See those functions for information on usage.
 // WARNING: Create the below using NewClientOptions unless you have a compelling reason not to. It is easy
 // to create a configuration with difficult to trace issues (e.g. Mosquitto 2.0.12+ will reject connections
 // with KeepAlive=0 by default).
 type ClientOptions struct {
-	Servers                 []*url.URL
+	Servers                  []*url.URL
-	ClientID                string
+	ClientID                 string
-	Username                string
+	Username                 string
-	Password                string
+	Password                 string
-	CredentialsProvider     CredentialsProvider
+	CredentialsProvider      CredentialsProvider
-	CleanSession            bool
+	CleanSession             bool
-	Order                   bool
+	Order                    bool
-	WillEnabled             bool
+	WillEnabled              bool
-	WillTopic               string
+	WillTopic                string
-	WillPayload             []byte
+	WillPayload              []byte
-	WillQos                 byte
+	WillQos                  byte
-	WillRetained            bool
+	WillRetained             bool
-	ProtocolVersion         uint
+	ProtocolVersion          uint
-	protocolVersionExplicit bool
+	protocolVersionExplicit  bool
-	TLSConfig               *tls.Config
+	TLSConfig                *tls.Config
-	KeepAlive               int64 // Warning: Some brokers may reject connections with Keepalive = 0.
+	KeepAlive                int64 // Warning: Some brokers may reject connections with Keepalive = 0.
-	PingTimeout             time.Duration
+	PingTimeout              time.Duration
-	ConnectTimeout          time.Duration
+	ConnectTimeout           time.Duration
-	MaxReconnectInterval    time.Duration
+	MaxReconnectInterval     time.Duration
-	AutoReconnect           bool
+	AutoReconnect            bool
-	ConnectRetryInterval    time.Duration
+	ConnectRetryInterval     time.Duration
-	ConnectRetry            bool
+	ConnectRetry             bool
-	Store                   Store
+	Store                    Store
-	DefaultPublishHandler   MessageHandler
+	DefaultPublishHandler    MessageHandler
-	OnConnect               OnConnectHandler
+	OnConnect                OnConnectHandler
-	OnConnectionLost        ConnectionLostHandler
+	OnConnectionLost         ConnectionLostHandler
-	OnReconnecting          ReconnectHandler
+	OnReconnecting           ReconnectHandler
-	OnConnectAttempt        ConnectionAttemptHandler
+	OnConnectAttempt         ConnectionAttemptHandler
-	WriteTimeout            time.Duration
+	OnConnectionNotification ConnectionNotificationHandler
-	MessageChannelDepth     uint
+	WriteTimeout             time.Duration
-	ResumeSubs              bool
+	MessageChannelDepth      uint
-	HTTPHeaders             http.Header
+	ResumeSubs               bool
-	WebsocketOptions        *WebsocketOptions
+	HTTPHeaders              http.Header
-	MaxResumePubInFlight    int // // 0 = no limit; otherwise this is the maximum simultaneous messages sent while resuming
+	WebsocketOptions         *WebsocketOptions
-	Dialer                  *net.Dialer
+	MaxResumePubInFlight     int // // 0 = no limit; otherwise this is the maximum simultaneous messages sent while resuming
-	CustomOpenConnectionFn  OpenConnectionFunc
+	Dialer                   *net.Dialer
-	AutoAckDisabled         bool
+	CustomOpenConnectionFn   OpenConnectionFunc
+	AutoAckDisabled          bool
 }
 
 // NewClientOptions will create a new ClientClientOptions type with some
 // default values.
-//   Port: 1883
+//
-//   CleanSession: True
+//	Port: 1883
-//   Order: True (note: it is recommended that this be set to FALSE unless order is important)
+//	CleanSession: True
-//   KeepAlive: 30 (seconds)
+//	Order: True (note: it is recommended that this be set to FALSE unless order is important)
-//   ConnectTimeout: 30 (seconds)
+//	KeepAlive: 30 (seconds)
-//   MaxReconnectInterval 10 (minutes)
+//	ConnectTimeout: 30 (seconds)
-//   AutoReconnect: True
+//	MaxReconnectInterval 10 (minutes)
+//	AutoReconnect: True
 func NewClientOptions() *ClientOptions {
 	o := &ClientOptions{
-		Servers:                 nil,
+		Servers:                  nil,
-		ClientID:                "",
+		ClientID:                 "",
-		Username:                "",
+		Username:                 "",
-		Password:                "",
+		Password:                 "",
-		CleanSession:            true,
+		CleanSession:             true,
-		Order:                   true,
+		Order:                    true,
-		WillEnabled:             false,
+		WillEnabled:              false,
-		WillTopic:               "",
+		WillTopic:                "",
-		WillPayload:             nil,
+		WillPayload:              nil,
-		WillQos:                 0,
+		WillQos:                  0,
-		WillRetained:            false,
+		WillRetained:             false,
-		ProtocolVersion:         0,
+		ProtocolVersion:          0,
-		protocolVersionExplicit: false,
+		protocolVersionExplicit:  false,
-		KeepAlive:               30,
+		KeepAlive:                30,
-		PingTimeout:             10 * time.Second,
+		PingTimeout:              10 * time.Second,
-		ConnectTimeout:          30 * time.Second,
+		ConnectTimeout:           30 * time.Second,
-		MaxReconnectInterval:    10 * time.Minute,
+		MaxReconnectInterval:     10 * time.Minute,
-		AutoReconnect:           true,
+		AutoReconnect:            true,
-		ConnectRetryInterval:    30 * time.Second,
+		ConnectRetryInterval:     30 * time.Second,
-		ConnectRetry:            false,
+		ConnectRetry:             false,
-		Store:                   nil,
+		Store:                    nil,
-		OnConnect:               nil,
+		OnConnect:                nil,
-		OnConnectionLost:        DefaultConnectionLostHandler,
+		OnConnectionLost:         DefaultConnectionLostHandler,
-		OnConnectAttempt:        nil,
+		OnConnectAttempt:         nil,
-		WriteTimeout:            0, // 0 represents timeout disabled
+		OnConnectionNotification: nil,
-		ResumeSubs:              false,
+		WriteTimeout:             0, // 0 represents timeout disabled
-		HTTPHeaders:             make(map[string][]string),
+		ResumeSubs:               false,
-		WebsocketOptions:        &WebsocketOptions{},
+		HTTPHeaders:              make(map[string][]string),
-		Dialer:                  &net.Dialer{Timeout: 30 * time.Second},
+		WebsocketOptions:         &WebsocketOptions{},
-		CustomOpenConnectionFn:  nil,
+		Dialer:                   &net.Dialer{Timeout: 30 * time.Second},
-		AutoAckDisabled:         false,
+		CustomOpenConnectionFn:   nil,
+		AutoAckDisabled:          false,
 	}
 	return o
 }
@@ -355,6 +361,13 @@ func (o *ClientOptions) SetConnectionAttemptHandler(onConnectAttempt ConnectionA
 	return o
 }
 
+// SetConnectionNotificationHandler sets the ConnectionNotificationHandler callback to receive all types of connection
+// events.
+func (o *ClientOptions) SetConnectionNotificationHandler(onConnectionNotification ConnectionNotificationHandler) *ClientOptions {
+	o.OnConnectionNotification = onConnectionNotification
+	return o
+}
+
 // SetWriteTimeout puts a limit on how long a mqtt publish should block until it unblocks with a
 // timeout error. A duration of 0 never times out. Default never times out
 func (o *ClientOptions) SetWriteTimeout(t time.Duration) *ClientOptions {
@@ -450,6 +463,7 @@ func (o *ClientOptions) SetCustomOpenConnectionFn(customOpenConnectionFn OpenCon
 }
 
 // SetAutoAckDisabled enables or disables the Automated Acking of Messages received by the handler.
+//
 //	By default it is set to false. Setting it to true will disable the auto-ack globally.
 func (o *ClientOptions) SetAutoAckDisabled(autoAckDisabled bool) *ClientOptions {
 	o.AutoAckDisabled = autoAckDisabled

vendor/github.com/eclipse/paho.mqtt.golang/options_reader.go

@@ -30,6 +30,21 @@ type ClientOptionsReader struct {
 	options *ClientOptions
 }
 
+// NewOptionsReader creates a ClientOptionsReader, this should only be used for mocking purposes.
+//
+// An example implementation:
+//
+//	func (c *mqttClientMock) OptionsReader() mqtt.ClientOptionsReader {
+//		opts := mqtt.NewClientOptions()
+//		opts.UserName = "TestUserName"
+//		return mqtt.NewOptionsReader(opts)
+//	}
+func NewOptionsReader(o *ClientOptions) ClientOptionsReader {
+	return ClientOptionsReader{
+		options: o,
+	}
+}
+
 // Servers returns a slice of the servers defined in the clientoptions
 func (r *ClientOptionsReader) Servers() []*url.URL {
 	s := make([]*url.URL, len(r.options.Servers))

vendor/github.com/eclipse/paho.mqtt.golang/packets/packets.go

@@ -330,6 +330,11 @@ func decodeBytes(b io.Reader) ([]byte, error) {
 }
 
 func encodeBytes(field []byte) []byte {
+	// Attempting to encode more than 65,535 bytes would lead to an unexpected 16-bit length and extra data written
+	// (which would be parsed as later parts of the message). The safest option is to truncate.
+	if len(field) > 65535 {
+		field = field[0:65535]
+	}
 	fieldLength := make([]byte, 2)
 	binary.BigEndian.PutUint16(fieldLength, uint16(len(field)))
 	return append(fieldLength, field...)

vendor/github.com/eclipse/paho.mqtt.golang/ping.go

@@ -32,16 +32,16 @@ import (
 func keepalive(c *client, conn io.Writer) {
 	defer c.workers.Done()
 	DEBUG.Println(PNG, "keepalive starting")
-	var checkInterval int64
+	var checkInterval time.Duration
 	var pingSent time.Time
 
 	if c.options.KeepAlive > 10 {
-		checkInterval = 5
+		checkInterval = 5 * time.Second
 	} else {
-		checkInterval = c.options.KeepAlive / 2
+		checkInterval = time.Duration(c.options.KeepAlive) * time.Second / 4
 	}
 
-	intervalTicker := time.NewTicker(time.Duration(checkInterval * int64(time.Second)))
+	intervalTicker := time.NewTicker(checkInterval)
 	defer intervalTicker.Stop()
 
 	for {

vendor/github.com/eclipse/paho.mqtt.golang/router.go

@@ -136,60 +136,41 @@ func (r *router) setDefaultHandler(handler MessageHandler) {
 // associated callback (or the defaultHandler, if one exists and no other route matched). If
 // anything is sent down the stop channel the function will end.
 func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order bool, client *client) <-chan *PacketAndToken {
-	var wg sync.WaitGroup
+	ackChan := make(chan *PacketAndToken) // Channel returned to caller; closed when goroutine terminates
-	ackOutChan := make(chan *PacketAndToken) // Channel returned to caller; closed when messages channel closed
-	var ackInChan chan *PacketAndToken       // ACKs generated by ackFunc get put onto this channel
 
-	stopAckCopy := make(chan struct{})    // Closure requests stop of go routine copying ackInChan to ackOutChan
+	// In some cases message acknowledgments may come through after shutdown (connection is down etc). Where this is the
-	ackCopyStopped := make(chan struct{}) // Closure indicates that it is safe to close ackOutChan
+	// case we need to accept any such requests and then ignore them. Note that this is not a perfect solution, if we
-	goRoutinesDone := make(chan struct{}) // closed on wg.Done()
+	// have reconnected, and the session is still live, then the Ack really should be sent (see Issus #726)
-	if order {
+	var ackMutex sync.RWMutex
-		ackInChan = ackOutChan // When order = true no go routines are used so safe to use one channel and close when done
+	sendAckChan := ackChan // This will be set to nil before ackChan is closed
-	} else {
+	sendAck := func(ack *PacketAndToken) {
-		// When order = false ACK messages are sent in go routines so ackInChan cannot be closed until all goroutines done
+		ackMutex.RLock()
-		ackInChan = make(chan *PacketAndToken)
+		defer ackMutex.RUnlock()
-		go func() { // go routine to copy from ackInChan to ackOutChan until stopped
+		if sendAckChan != nil {
-			for {
+			sendAckChan <- ack
-				select {
+		} else {
-				case a := <-ackInChan:
+			DEBUG.Println(ROU, "matchAndDispatch received acknowledgment after processing stopped (ACK dropped).")
-					ackOutChan <- a
+		}
-				case <-stopAckCopy:
-					close(ackCopyStopped) // Signal main go routine that it is safe to close ackOutChan
-					for {
-						select {
-						case <-ackInChan: // drain ackInChan to ensure all goRoutines can complete cleanly (ACK dropped)
-							DEBUG.Println(ROU, "matchAndDispatch received acknowledgment after processing stopped (ACK dropped).")
-						case <-goRoutinesDone:
-							close(ackInChan) // Nothing further should be sent (a panic is probably better than silent failure)
-							DEBUG.Println(ROU, "matchAndDispatch order=false copy goroutine exiting.")
-							return
-						}
-					}
-				}
-			}
-		}()
 	}
 
 	go func() { // Main go routine handling inbound messages
+		var handlers []MessageHandler
 		for message := range messages {
 			// DEBUG.Println(ROU, "matchAndDispatch received message")
 			sent := false
 			r.RLock()
-			m := messageFromPublish(message, ackFunc(ackInChan, client.persist, message))
+			m := messageFromPublish(message, ackFunc(sendAck, client.persist, message))
-			var handlers []MessageHandler
 			for e := r.routes.Front(); e != nil; e = e.Next() {
 				if e.Value.(*route).match(message.TopicName) {
 					if order {
 						handlers = append(handlers, e.Value.(*route).callback)
 					} else {
 						hd := e.Value.(*route).callback
-						wg.Add(1)
 						go func() {
 							hd(client, m)
 							if !client.options.AutoAckDisabled {
 								m.Ack()
 							}
-							wg.Done()
 						}()
 					}
 					sent = true
@@ -200,13 +181,11 @@ func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order
 					if order {
 						handlers = append(handlers, r.defaultHandler)
 					} else {
-						wg.Add(1)
 						go func() {
 							r.defaultHandler(client, m)
 							if !client.options.AutoAckDisabled {
 								m.Ack()
 							}
-							wg.Done()
 						}()
 					}
 				} else {
@@ -214,26 +193,22 @@ func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order
 				}
 			}
 			r.RUnlock()
-			for _, handler := range handlers {
+			if order {
-				handler(client, m)
+				for _, handler := range handlers {
-				if !client.options.AutoAckDisabled {
+					handler(client, m)
-					m.Ack()
+					if !client.options.AutoAckDisabled {
+						m.Ack()
+					}
 				}
+				handlers = handlers[:0]
 			}
 			// DEBUG.Println(ROU, "matchAndDispatch handled message")
 		}
-		if order {
+		ackMutex.Lock()
-			close(ackOutChan)
+		sendAckChan = nil
-		} else { // Ensure that nothing further will be written to ackOutChan before closing it
+		ackMutex.Unlock()
-			close(stopAckCopy)
+		close(ackChan) // as sendAckChan is now nil nothing further will be sent on this
-			<-ackCopyStopped
-			close(ackOutChan)
-			go func() {
-				wg.Wait() // Note: If this remains running then the user has handlers that are not returning
-				close(goRoutinesDone)
-			}()
-		}
 		DEBUG.Println(ROU, "matchAndDispatch exiting")
 	}()
-	return ackOutChan
+	return ackChan
 }

vendor/github.com/eclipse/paho.mqtt.golang/token.go

@@ -17,6 +17,7 @@
 package mqtt
 
 import (
+	"errors"
 	"sync"
 	"time"
 
@@ -202,3 +203,20 @@ type UnsubscribeToken struct {
 type DisconnectToken struct {
 	baseToken
 }
+
+// TimedOut is the error returned by WaitTimeout when the timeout expires
+var TimedOut = errors.New("context canceled")
+
+// WaitTokenTimeout is a utility function used to simplify the use of token.WaitTimeout
+// token.WaitTimeout may return `false` due to time out but t.Error() still results
+// in nil.
+// `if t := client.X(); t.WaitTimeout(time.Second) && t.Error() != nil {` may evaluate
+// to false even if the operation fails.
+// It is important to note that if TimedOut is returned, then the operation may still be running
+// and could eventually complete successfully.
+func WaitTokenTimeout(t Token, d time.Duration) error {
+	if !t.WaitTimeout(d) {
+		return TimedOut
+	}
+	return t.Error()
+}

vendor/github.com/golang/protobuf/AUTHORS

@@ -1,3 +0,0 @@
-# This source code refers to The Go Authors for copyright purposes.
-# The master list of authors is in the main Go distribution,
-# visible at http://tip.golang.org/AUTHORS.

vendor/github.com/golang/protobuf/CONTRIBUTORS

@@ -1,3 +0,0 @@
-# This source code was written by the Go contributors.
-# The master list of contributors is in the main Go distribution,
-# visible at http://tip.golang.org/CONTRIBUTORS.

vendor/github.com/golang/protobuf/LICENSE

@@ -1,28 +0,0 @@
-Copyright 2010 The Go Authors.  All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-    * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-

vendor/github.com/golang/protobuf/proto/buffer.go

@@ -1,324 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"errors"
-	"fmt"
-
-	"google.golang.org/protobuf/encoding/prototext"
-	"google.golang.org/protobuf/encoding/protowire"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-const (
-	WireVarint     = 0
-	WireFixed32    = 5
-	WireFixed64    = 1
-	WireBytes      = 2
-	WireStartGroup = 3
-	WireEndGroup   = 4
-)
-
-// EncodeVarint returns the varint encoded bytes of v.
-func EncodeVarint(v uint64) []byte {
-	return protowire.AppendVarint(nil, v)
-}
-
-// SizeVarint returns the length of the varint encoded bytes of v.
-// This is equal to len(EncodeVarint(v)).
-func SizeVarint(v uint64) int {
-	return protowire.SizeVarint(v)
-}
-
-// DecodeVarint parses a varint encoded integer from b,
-// returning the integer value and the length of the varint.
-// It returns (0, 0) if there is a parse error.
-func DecodeVarint(b []byte) (uint64, int) {
-	v, n := protowire.ConsumeVarint(b)
-	if n < 0 {
-		return 0, 0
-	}
-	return v, n
-}
-
-// Buffer is a buffer for encoding and decoding the protobuf wire format.
-// It may be reused between invocations to reduce memory usage.
-type Buffer struct {
-	buf           []byte
-	idx           int
-	deterministic bool
-}
-
-// NewBuffer allocates a new Buffer initialized with buf,
-// where the contents of buf are considered the unread portion of the buffer.
-func NewBuffer(buf []byte) *Buffer {
-	return &Buffer{buf: buf}
-}
-
-// SetDeterministic specifies whether to use deterministic serialization.
-//
-// Deterministic serialization guarantees that for a given binary, equal
-// messages will always be serialized to the same bytes. This implies:
-//
-//   - Repeated serialization of a message will return the same bytes.
-//   - Different processes of the same binary (which may be executing on
-//     different machines) will serialize equal messages to the same bytes.
-//
-// Note that the deterministic serialization is NOT canonical across
-// languages. It is not guaranteed to remain stable over time. It is unstable
-// across different builds with schema changes due to unknown fields.
-// Users who need canonical serialization (e.g., persistent storage in a
-// canonical form, fingerprinting, etc.) should define their own
-// canonicalization specification and implement their own serializer rather
-// than relying on this API.
-//
-// If deterministic serialization is requested, map entries will be sorted
-// by keys in lexographical order. This is an implementation detail and
-// subject to change.
-func (b *Buffer) SetDeterministic(deterministic bool) {
-	b.deterministic = deterministic
-}
-
-// SetBuf sets buf as the internal buffer,
-// where the contents of buf are considered the unread portion of the buffer.
-func (b *Buffer) SetBuf(buf []byte) {
-	b.buf = buf
-	b.idx = 0
-}
-
-// Reset clears the internal buffer of all written and unread data.
-func (b *Buffer) Reset() {
-	b.buf = b.buf[:0]
-	b.idx = 0
-}
-
-// Bytes returns the internal buffer.
-func (b *Buffer) Bytes() []byte {
-	return b.buf
-}
-
-// Unread returns the unread portion of the buffer.
-func (b *Buffer) Unread() []byte {
-	return b.buf[b.idx:]
-}
-
-// Marshal appends the wire-format encoding of m to the buffer.
-func (b *Buffer) Marshal(m Message) error {
-	var err error
-	b.buf, err = marshalAppend(b.buf, m, b.deterministic)
-	return err
-}
-
-// Unmarshal parses the wire-format message in the buffer and
-// places the decoded results in m.
-// It does not reset m before unmarshaling.
-func (b *Buffer) Unmarshal(m Message) error {
-	err := UnmarshalMerge(b.Unread(), m)
-	b.idx = len(b.buf)
-	return err
-}
-
-type unknownFields struct{ XXX_unrecognized protoimpl.UnknownFields }
-
-func (m *unknownFields) String() string { panic("not implemented") }
-func (m *unknownFields) Reset()         { panic("not implemented") }
-func (m *unknownFields) ProtoMessage()  { panic("not implemented") }
-
-// DebugPrint dumps the encoded bytes of b with a header and footer including s
-// to stdout. This is only intended for debugging.
-func (*Buffer) DebugPrint(s string, b []byte) {
-	m := MessageReflect(new(unknownFields))
-	m.SetUnknown(b)
-	b, _ = prototext.MarshalOptions{AllowPartial: true, Indent: "\t"}.Marshal(m.Interface())
-	fmt.Printf("==== %s ====\n%s==== %s ====\n", s, b, s)
-}
-
-// EncodeVarint appends an unsigned varint encoding to the buffer.
-func (b *Buffer) EncodeVarint(v uint64) error {
-	b.buf = protowire.AppendVarint(b.buf, v)
-	return nil
-}
-
-// EncodeZigzag32 appends a 32-bit zig-zag varint encoding to the buffer.
-func (b *Buffer) EncodeZigzag32(v uint64) error {
-	return b.EncodeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
-}
-
-// EncodeZigzag64 appends a 64-bit zig-zag varint encoding to the buffer.
-func (b *Buffer) EncodeZigzag64(v uint64) error {
-	return b.EncodeVarint(uint64((uint64(v) << 1) ^ uint64((int64(v) >> 63))))
-}
-
-// EncodeFixed32 appends a 32-bit little-endian integer to the buffer.
-func (b *Buffer) EncodeFixed32(v uint64) error {
-	b.buf = protowire.AppendFixed32(b.buf, uint32(v))
-	return nil
-}
-
-// EncodeFixed64 appends a 64-bit little-endian integer to the buffer.
-func (b *Buffer) EncodeFixed64(v uint64) error {
-	b.buf = protowire.AppendFixed64(b.buf, uint64(v))
-	return nil
-}
-
-// EncodeRawBytes appends a length-prefixed raw bytes to the buffer.
-func (b *Buffer) EncodeRawBytes(v []byte) error {
-	b.buf = protowire.AppendBytes(b.buf, v)
-	return nil
-}
-
-// EncodeStringBytes appends a length-prefixed raw bytes to the buffer.
-// It does not validate whether v contains valid UTF-8.
-func (b *Buffer) EncodeStringBytes(v string) error {
-	b.buf = protowire.AppendString(b.buf, v)
-	return nil
-}
-
-// EncodeMessage appends a length-prefixed encoded message to the buffer.
-func (b *Buffer) EncodeMessage(m Message) error {
-	var err error
-	b.buf = protowire.AppendVarint(b.buf, uint64(Size(m)))
-	b.buf, err = marshalAppend(b.buf, m, b.deterministic)
-	return err
-}
-
-// DecodeVarint consumes an encoded unsigned varint from the buffer.
-func (b *Buffer) DecodeVarint() (uint64, error) {
-	v, n := protowire.ConsumeVarint(b.buf[b.idx:])
-	if n < 0 {
-		return 0, protowire.ParseError(n)
-	}
-	b.idx += n
-	return uint64(v), nil
-}
-
-// DecodeZigzag32 consumes an encoded 32-bit zig-zag varint from the buffer.
-func (b *Buffer) DecodeZigzag32() (uint64, error) {
-	v, err := b.DecodeVarint()
-	if err != nil {
-		return 0, err
-	}
-	return uint64((uint32(v) >> 1) ^ uint32((int32(v&1)<<31)>>31)), nil
-}
-
-// DecodeZigzag64 consumes an encoded 64-bit zig-zag varint from the buffer.
-func (b *Buffer) DecodeZigzag64() (uint64, error) {
-	v, err := b.DecodeVarint()
-	if err != nil {
-		return 0, err
-	}
-	return uint64((uint64(v) >> 1) ^ uint64((int64(v&1)<<63)>>63)), nil
-}
-
-// DecodeFixed32 consumes a 32-bit little-endian integer from the buffer.
-func (b *Buffer) DecodeFixed32() (uint64, error) {
-	v, n := protowire.ConsumeFixed32(b.buf[b.idx:])
-	if n < 0 {
-		return 0, protowire.ParseError(n)
-	}
-	b.idx += n
-	return uint64(v), nil
-}
-
-// DecodeFixed64 consumes a 64-bit little-endian integer from the buffer.
-func (b *Buffer) DecodeFixed64() (uint64, error) {
-	v, n := protowire.ConsumeFixed64(b.buf[b.idx:])
-	if n < 0 {
-		return 0, protowire.ParseError(n)
-	}
-	b.idx += n
-	return uint64(v), nil
-}
-
-// DecodeRawBytes consumes a length-prefixed raw bytes from the buffer.
-// If alloc is specified, it returns a copy the raw bytes
-// rather than a sub-slice of the buffer.
-func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error) {
-	v, n := protowire.ConsumeBytes(b.buf[b.idx:])
-	if n < 0 {
-		return nil, protowire.ParseError(n)
-	}
-	b.idx += n
-	if alloc {
-		v = append([]byte(nil), v...)
-	}
-	return v, nil
-}
-
-// DecodeStringBytes consumes a length-prefixed raw bytes from the buffer.
-// It does not validate whether the raw bytes contain valid UTF-8.
-func (b *Buffer) DecodeStringBytes() (string, error) {
-	v, n := protowire.ConsumeString(b.buf[b.idx:])
-	if n < 0 {
-		return "", protowire.ParseError(n)
-	}
-	b.idx += n
-	return v, nil
-}
-
-// DecodeMessage consumes a length-prefixed message from the buffer.
-// It does not reset m before unmarshaling.
-func (b *Buffer) DecodeMessage(m Message) error {
-	v, err := b.DecodeRawBytes(false)
-	if err != nil {
-		return err
-	}
-	return UnmarshalMerge(v, m)
-}
-
-// DecodeGroup consumes a message group from the buffer.
-// It assumes that the start group marker has already been consumed and
-// consumes all bytes until (and including the end group marker).
-// It does not reset m before unmarshaling.
-func (b *Buffer) DecodeGroup(m Message) error {
-	v, n, err := consumeGroup(b.buf[b.idx:])
-	if err != nil {
-		return err
-	}
-	b.idx += n
-	return UnmarshalMerge(v, m)
-}
-
-// consumeGroup parses b until it finds an end group marker, returning
-// the raw bytes of the message (excluding the end group marker) and the
-// the total length of the message (including the end group marker).
-func consumeGroup(b []byte) ([]byte, int, error) {
-	b0 := b
-	depth := 1 // assume this follows a start group marker
-	for {
-		_, wtyp, tagLen := protowire.ConsumeTag(b)
-		if tagLen < 0 {
-			return nil, 0, protowire.ParseError(tagLen)
-		}
-		b = b[tagLen:]
-
-		var valLen int
-		switch wtyp {
-		case protowire.VarintType:
-			_, valLen = protowire.ConsumeVarint(b)
-		case protowire.Fixed32Type:
-			_, valLen = protowire.ConsumeFixed32(b)
-		case protowire.Fixed64Type:
-			_, valLen = protowire.ConsumeFixed64(b)
-		case protowire.BytesType:
-			_, valLen = protowire.ConsumeBytes(b)
-		case protowire.StartGroupType:
-			depth++
-		case protowire.EndGroupType:
-			depth--
-		default:
-			return nil, 0, errors.New("proto: cannot parse reserved wire type")
-		}
-		if valLen < 0 {
-			return nil, 0, protowire.ParseError(valLen)
-		}
-		b = b[valLen:]
-
-		if depth == 0 {
-			return b0[:len(b0)-len(b)-tagLen], len(b0) - len(b), nil
-		}
-	}
-}

vendor/github.com/golang/protobuf/proto/defaults.go

@@ -1,63 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"google.golang.org/protobuf/reflect/protoreflect"
-)
-
-// SetDefaults sets unpopulated scalar fields to their default values.
-// Fields within a oneof are not set even if they have a default value.
-// SetDefaults is recursively called upon any populated message fields.
-func SetDefaults(m Message) {
-	if m != nil {
-		setDefaults(MessageReflect(m))
-	}
-}
-
-func setDefaults(m protoreflect.Message) {
-	fds := m.Descriptor().Fields()
-	for i := 0; i < fds.Len(); i++ {
-		fd := fds.Get(i)
-		if !m.Has(fd) {
-			if fd.HasDefault() && fd.ContainingOneof() == nil {
-				v := fd.Default()
-				if fd.Kind() == protoreflect.BytesKind {
-					v = protoreflect.ValueOf(append([]byte(nil), v.Bytes()...)) // copy the default bytes
-				}
-				m.Set(fd, v)
-			}
-			continue
-		}
-	}
-
-	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
-		switch {
-		// Handle singular message.
-		case fd.Cardinality() != protoreflect.Repeated:
-			if fd.Message() != nil {
-				setDefaults(m.Get(fd).Message())
-			}
-		// Handle list of messages.
-		case fd.IsList():
-			if fd.Message() != nil {
-				ls := m.Get(fd).List()
-				for i := 0; i < ls.Len(); i++ {
-					setDefaults(ls.Get(i).Message())
-				}
-			}
-		// Handle map of messages.
-		case fd.IsMap():
-			if fd.MapValue().Message() != nil {
-				ms := m.Get(fd).Map()
-				ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
-					setDefaults(v.Message())
-					return true
-				})
-			}
-		}
-		return true
-	})
-}

vendor/github.com/golang/protobuf/proto/deprecated.go

@@ -1,113 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"encoding/json"
-	"errors"
-	"fmt"
-	"strconv"
-
-	protoV2 "google.golang.org/protobuf/proto"
-)
-
-var (
-	// Deprecated: No longer returned.
-	ErrNil = errors.New("proto: Marshal called with nil")
-
-	// Deprecated: No longer returned.
-	ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
-
-	// Deprecated: No longer returned.
-	ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
-)
-
-// Deprecated: Do not use.
-type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
-
-// Deprecated: Do not use.
-func GetStats() Stats { return Stats{} }
-
-// Deprecated: Do not use.
-func MarshalMessageSet(interface{}) ([]byte, error) {
-	return nil, errors.New("proto: not implemented")
-}
-
-// Deprecated: Do not use.
-func UnmarshalMessageSet([]byte, interface{}) error {
-	return errors.New("proto: not implemented")
-}
-
-// Deprecated: Do not use.
-func MarshalMessageSetJSON(interface{}) ([]byte, error) {
-	return nil, errors.New("proto: not implemented")
-}
-
-// Deprecated: Do not use.
-func UnmarshalMessageSetJSON([]byte, interface{}) error {
-	return errors.New("proto: not implemented")
-}
-
-// Deprecated: Do not use.
-func RegisterMessageSetType(Message, int32, string) {}
-
-// Deprecated: Do not use.
-func EnumName(m map[int32]string, v int32) string {
-	s, ok := m[v]
-	if ok {
-		return s
-	}
-	return strconv.Itoa(int(v))
-}
-
-// Deprecated: Do not use.
-func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
-	if data[0] == '"' {
-		// New style: enums are strings.
-		var repr string
-		if err := json.Unmarshal(data, &repr); err != nil {
-			return -1, err
-		}
-		val, ok := m[repr]
-		if !ok {
-			return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
-		}
-		return val, nil
-	}
-	// Old style: enums are ints.
-	var val int32
-	if err := json.Unmarshal(data, &val); err != nil {
-		return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
-	}
-	return val, nil
-}
-
-// Deprecated: Do not use; this type existed for intenal-use only.
-type InternalMessageInfo struct{}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) DiscardUnknown(m Message) {
-	DiscardUnknown(m)
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Marshal(b []byte, m Message, deterministic bool) ([]byte, error) {
-	return protoV2.MarshalOptions{Deterministic: deterministic}.MarshalAppend(b, MessageV2(m))
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Merge(dst, src Message) {
-	protoV2.Merge(MessageV2(dst), MessageV2(src))
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Size(m Message) int {
-	return protoV2.Size(MessageV2(m))
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Unmarshal(m Message, b []byte) error {
-	return protoV2.UnmarshalOptions{Merge: true}.Unmarshal(b, MessageV2(m))
-}

vendor/github.com/golang/protobuf/proto/discard.go

@@ -1,58 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"google.golang.org/protobuf/reflect/protoreflect"
-)
-
-// DiscardUnknown recursively discards all unknown fields from this message
-// and all embedded messages.
-//
-// When unmarshaling a message with unrecognized fields, the tags and values
-// of such fields are preserved in the Message. This allows a later call to
-// marshal to be able to produce a message that continues to have those
-// unrecognized fields. To avoid this, DiscardUnknown is used to
-// explicitly clear the unknown fields after unmarshaling.
-func DiscardUnknown(m Message) {
-	if m != nil {
-		discardUnknown(MessageReflect(m))
-	}
-}
-
-func discardUnknown(m protoreflect.Message) {
-	m.Range(func(fd protoreflect.FieldDescriptor, val protoreflect.Value) bool {
-		switch {
-		// Handle singular message.
-		case fd.Cardinality() != protoreflect.Repeated:
-			if fd.Message() != nil {
-				discardUnknown(m.Get(fd).Message())
-			}
-		// Handle list of messages.
-		case fd.IsList():
-			if fd.Message() != nil {
-				ls := m.Get(fd).List()
-				for i := 0; i < ls.Len(); i++ {
-					discardUnknown(ls.Get(i).Message())
-				}
-			}
-		// Handle map of messages.
-		case fd.IsMap():
-			if fd.MapValue().Message() != nil {
-				ms := m.Get(fd).Map()
-				ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
-					discardUnknown(v.Message())
-					return true
-				})
-			}
-		}
-		return true
-	})
-
-	// Discard unknown fields.
-	if len(m.GetUnknown()) > 0 {
-		m.SetUnknown(nil)
-	}
-}

vendor/github.com/golang/protobuf/proto/extensions.go

@@ -1,356 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"errors"
-	"fmt"
-	"reflect"
-
-	"google.golang.org/protobuf/encoding/protowire"
-	"google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-	"google.golang.org/protobuf/runtime/protoiface"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-type (
-	// ExtensionDesc represents an extension descriptor and
-	// is used to interact with an extension field in a message.
-	//
-	// Variables of this type are generated in code by protoc-gen-go.
-	ExtensionDesc = protoimpl.ExtensionInfo
-
-	// ExtensionRange represents a range of message extensions.
-	// Used in code generated by protoc-gen-go.
-	ExtensionRange = protoiface.ExtensionRangeV1
-
-	// Deprecated: Do not use; this is an internal type.
-	Extension = protoimpl.ExtensionFieldV1
-
-	// Deprecated: Do not use; this is an internal type.
-	XXX_InternalExtensions = protoimpl.ExtensionFields
-)
-
-// ErrMissingExtension reports whether the extension was not present.
-var ErrMissingExtension = errors.New("proto: missing extension")
-
-var errNotExtendable = errors.New("proto: not an extendable proto.Message")
-
-// HasExtension reports whether the extension field is present in m
-// either as an explicitly populated field or as an unknown field.
-func HasExtension(m Message, xt *ExtensionDesc) (has bool) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return false
-	}
-
-	// Check whether any populated known field matches the field number.
-	xtd := xt.TypeDescriptor()
-	if isValidExtension(mr.Descriptor(), xtd) {
-		has = mr.Has(xtd)
-	} else {
-		mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
-			has = int32(fd.Number()) == xt.Field
-			return !has
-		})
-	}
-
-	// Check whether any unknown field matches the field number.
-	for b := mr.GetUnknown(); !has && len(b) > 0; {
-		num, _, n := protowire.ConsumeField(b)
-		has = int32(num) == xt.Field
-		b = b[n:]
-	}
-	return has
-}
-
-// ClearExtension removes the extension field from m
-// either as an explicitly populated field or as an unknown field.
-func ClearExtension(m Message, xt *ExtensionDesc) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return
-	}
-
-	xtd := xt.TypeDescriptor()
-	if isValidExtension(mr.Descriptor(), xtd) {
-		mr.Clear(xtd)
-	} else {
-		mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
-			if int32(fd.Number()) == xt.Field {
-				mr.Clear(fd)
-				return false
-			}
-			return true
-		})
-	}
-	clearUnknown(mr, fieldNum(xt.Field))
-}
-
-// ClearAllExtensions clears all extensions from m.
-// This includes populated fields and unknown fields in the extension range.
-func ClearAllExtensions(m Message) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return
-	}
-
-	mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
-		if fd.IsExtension() {
-			mr.Clear(fd)
-		}
-		return true
-	})
-	clearUnknown(mr, mr.Descriptor().ExtensionRanges())
-}
-
-// GetExtension retrieves a proto2 extended field from m.
-//
-// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil),
-// then GetExtension parses the encoded field and returns a Go value of the specified type.
-// If the field is not present, then the default value is returned (if one is specified),
-// otherwise ErrMissingExtension is reported.
-//
-// If the descriptor is type incomplete (i.e., ExtensionDesc.ExtensionType is nil),
-// then GetExtension returns the raw encoded bytes for the extension field.
-func GetExtension(m Message, xt *ExtensionDesc) (interface{}, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
-		return nil, errNotExtendable
-	}
-
-	// Retrieve the unknown fields for this extension field.
-	var bo protoreflect.RawFields
-	for bi := mr.GetUnknown(); len(bi) > 0; {
-		num, _, n := protowire.ConsumeField(bi)
-		if int32(num) == xt.Field {
-			bo = append(bo, bi[:n]...)
-		}
-		bi = bi[n:]
-	}
-
-	// For type incomplete descriptors, only retrieve the unknown fields.
-	if xt.ExtensionType == nil {
-		return []byte(bo), nil
-	}
-
-	// If the extension field only exists as unknown fields, unmarshal it.
-	// This is rarely done since proto.Unmarshal eagerly unmarshals extensions.
-	xtd := xt.TypeDescriptor()
-	if !isValidExtension(mr.Descriptor(), xtd) {
-		return nil, fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
-	}
-	if !mr.Has(xtd) && len(bo) > 0 {
-		m2 := mr.New()
-		if err := (proto.UnmarshalOptions{
-			Resolver: extensionResolver{xt},
-		}.Unmarshal(bo, m2.Interface())); err != nil {
-			return nil, err
-		}
-		if m2.Has(xtd) {
-			mr.Set(xtd, m2.Get(xtd))
-			clearUnknown(mr, fieldNum(xt.Field))
-		}
-	}
-
-	// Check whether the message has the extension field set or a default.
-	var pv protoreflect.Value
-	switch {
-	case mr.Has(xtd):
-		pv = mr.Get(xtd)
-	case xtd.HasDefault():
-		pv = xtd.Default()
-	default:
-		return nil, ErrMissingExtension
-	}
-
-	v := xt.InterfaceOf(pv)
-	rv := reflect.ValueOf(v)
-	if isScalarKind(rv.Kind()) {
-		rv2 := reflect.New(rv.Type())
-		rv2.Elem().Set(rv)
-		v = rv2.Interface()
-	}
-	return v, nil
-}
-
-// extensionResolver is a custom extension resolver that stores a single
-// extension type that takes precedence over the global registry.
-type extensionResolver struct{ xt protoreflect.ExtensionType }
-
-func (r extensionResolver) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) {
-	if xtd := r.xt.TypeDescriptor(); xtd.FullName() == field {
-		return r.xt, nil
-	}
-	return protoregistry.GlobalTypes.FindExtensionByName(field)
-}
-
-func (r extensionResolver) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) {
-	if xtd := r.xt.TypeDescriptor(); xtd.ContainingMessage().FullName() == message && xtd.Number() == field {
-		return r.xt, nil
-	}
-	return protoregistry.GlobalTypes.FindExtensionByNumber(message, field)
-}
-
-// GetExtensions returns a list of the extensions values present in m,
-// corresponding with the provided list of extension descriptors, xts.
-// If an extension is missing in m, the corresponding value is nil.
-func GetExtensions(m Message, xts []*ExtensionDesc) ([]interface{}, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return nil, errNotExtendable
-	}
-
-	vs := make([]interface{}, len(xts))
-	for i, xt := range xts {
-		v, err := GetExtension(m, xt)
-		if err != nil {
-			if err == ErrMissingExtension {
-				continue
-			}
-			return vs, err
-		}
-		vs[i] = v
-	}
-	return vs, nil
-}
-
-// SetExtension sets an extension field in m to the provided value.
-func SetExtension(m Message, xt *ExtensionDesc, v interface{}) error {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
-		return errNotExtendable
-	}
-
-	rv := reflect.ValueOf(v)
-	if reflect.TypeOf(v) != reflect.TypeOf(xt.ExtensionType) {
-		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", v, xt.ExtensionType)
-	}
-	if rv.Kind() == reflect.Ptr {
-		if rv.IsNil() {
-			return fmt.Errorf("proto: SetExtension called with nil value of type %T", v)
-		}
-		if isScalarKind(rv.Elem().Kind()) {
-			v = rv.Elem().Interface()
-		}
-	}
-
-	xtd := xt.TypeDescriptor()
-	if !isValidExtension(mr.Descriptor(), xtd) {
-		return fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
-	}
-	mr.Set(xtd, xt.ValueOf(v))
-	clearUnknown(mr, fieldNum(xt.Field))
-	return nil
-}
-
-// SetRawExtension inserts b into the unknown fields of m.
-//
-// Deprecated: Use Message.ProtoReflect.SetUnknown instead.
-func SetRawExtension(m Message, fnum int32, b []byte) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return
-	}
-
-	// Verify that the raw field is valid.
-	for b0 := b; len(b0) > 0; {
-		num, _, n := protowire.ConsumeField(b0)
-		if int32(num) != fnum {
-			panic(fmt.Sprintf("mismatching field number: got %d, want %d", num, fnum))
-		}
-		b0 = b0[n:]
-	}
-
-	ClearExtension(m, &ExtensionDesc{Field: fnum})
-	mr.SetUnknown(append(mr.GetUnknown(), b...))
-}
-
-// ExtensionDescs returns a list of extension descriptors found in m,
-// containing descriptors for both populated extension fields in m and
-// also unknown fields of m that are in the extension range.
-// For the later case, an type incomplete descriptor is provided where only
-// the ExtensionDesc.Field field is populated.
-// The order of the extension descriptors is undefined.
-func ExtensionDescs(m Message) ([]*ExtensionDesc, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
-		return nil, errNotExtendable
-	}
-
-	// Collect a set of known extension descriptors.
-	extDescs := make(map[protoreflect.FieldNumber]*ExtensionDesc)
-	mr.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
-		if fd.IsExtension() {
-			xt := fd.(protoreflect.ExtensionTypeDescriptor)
-			if xd, ok := xt.Type().(*ExtensionDesc); ok {
-				extDescs[fd.Number()] = xd
-			}
-		}
-		return true
-	})
-
-	// Collect a set of unknown extension descriptors.
-	extRanges := mr.Descriptor().ExtensionRanges()
-	for b := mr.GetUnknown(); len(b) > 0; {
-		num, _, n := protowire.ConsumeField(b)
-		if extRanges.Has(num) && extDescs[num] == nil {
-			extDescs[num] = nil
-		}
-		b = b[n:]
-	}
-
-	// Transpose the set of descriptors into a list.
-	var xts []*ExtensionDesc
-	for num, xt := range extDescs {
-		if xt == nil {
-			xt = &ExtensionDesc{Field: int32(num)}
-		}
-		xts = append(xts, xt)
-	}
-	return xts, nil
-}
-
-// isValidExtension reports whether xtd is a valid extension descriptor for md.
-func isValidExtension(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor) bool {
-	return xtd.ContainingMessage() == md && md.ExtensionRanges().Has(xtd.Number())
-}
-
-// isScalarKind reports whether k is a protobuf scalar kind (except bytes).
-// This function exists for historical reasons since the representation of
-// scalars differs between v1 and v2, where v1 uses *T and v2 uses T.
-func isScalarKind(k reflect.Kind) bool {
-	switch k {
-	case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
-		return true
-	default:
-		return false
-	}
-}
-
-// clearUnknown removes unknown fields from m where remover.Has reports true.
-func clearUnknown(m protoreflect.Message, remover interface {
-	Has(protoreflect.FieldNumber) bool
-}) {
-	var bo protoreflect.RawFields
-	for bi := m.GetUnknown(); len(bi) > 0; {
-		num, _, n := protowire.ConsumeField(bi)
-		if !remover.Has(num) {
-			bo = append(bo, bi[:n]...)
-		}
-		bi = bi[n:]
-	}
-	if bi := m.GetUnknown(); len(bi) != len(bo) {
-		m.SetUnknown(bo)
-	}
-}
-
-type fieldNum protoreflect.FieldNumber
-
-func (n1 fieldNum) Has(n2 protoreflect.FieldNumber) bool {
-	return protoreflect.FieldNumber(n1) == n2
-}

vendor/github.com/golang/protobuf/proto/properties.go

@@ -1,306 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-	"sync"
-
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-// StructProperties represents protocol buffer type information for a
-// generated protobuf message in the open-struct API.
-//
-// Deprecated: Do not use.
-type StructProperties struct {
-	// Prop are the properties for each field.
-	//
-	// Fields belonging to a oneof are stored in OneofTypes instead, with a
-	// single Properties representing the parent oneof held here.
-	//
-	// The order of Prop matches the order of fields in the Go struct.
-	// Struct fields that are not related to protobufs have a "XXX_" prefix
-	// in the Properties.Name and must be ignored by the user.
-	Prop []*Properties
-
-	// OneofTypes contains information about the oneof fields in this message.
-	// It is keyed by the protobuf field name.
-	OneofTypes map[string]*OneofProperties
-}
-
-// Properties represents the type information for a protobuf message field.
-//
-// Deprecated: Do not use.
-type Properties struct {
-	// Name is a placeholder name with little meaningful semantic value.
-	// If the name has an "XXX_" prefix, the entire Properties must be ignored.
-	Name string
-	// OrigName is the protobuf field name or oneof name.
-	OrigName string
-	// JSONName is the JSON name for the protobuf field.
-	JSONName string
-	// Enum is a placeholder name for enums.
-	// For historical reasons, this is neither the Go name for the enum,
-	// nor the protobuf name for the enum.
-	Enum string // Deprecated: Do not use.
-	// Weak contains the full name of the weakly referenced message.
-	Weak string
-	// Wire is a string representation of the wire type.
-	Wire string
-	// WireType is the protobuf wire type for the field.
-	WireType int
-	// Tag is the protobuf field number.
-	Tag int
-	// Required reports whether this is a required field.
-	Required bool
-	// Optional reports whether this is a optional field.
-	Optional bool
-	// Repeated reports whether this is a repeated field.
-	Repeated bool
-	// Packed reports whether this is a packed repeated field of scalars.
-	Packed bool
-	// Proto3 reports whether this field operates under the proto3 syntax.
-	Proto3 bool
-	// Oneof reports whether this field belongs within a oneof.
-	Oneof bool
-
-	// Default is the default value in string form.
-	Default string
-	// HasDefault reports whether the field has a default value.
-	HasDefault bool
-
-	// MapKeyProp is the properties for the key field for a map field.
-	MapKeyProp *Properties
-	// MapValProp is the properties for the value field for a map field.
-	MapValProp *Properties
-}
-
-// OneofProperties represents the type information for a protobuf oneof.
-//
-// Deprecated: Do not use.
-type OneofProperties struct {
-	// Type is a pointer to the generated wrapper type for the field value.
-	// This is nil for messages that are not in the open-struct API.
-	Type reflect.Type
-	// Field is the index into StructProperties.Prop for the containing oneof.
-	Field int
-	// Prop is the properties for the field.
-	Prop *Properties
-}
-
-// String formats the properties in the protobuf struct field tag style.
-func (p *Properties) String() string {
-	s := p.Wire
-	s += "," + strconv.Itoa(p.Tag)
-	if p.Required {
-		s += ",req"
-	}
-	if p.Optional {
-		s += ",opt"
-	}
-	if p.Repeated {
-		s += ",rep"
-	}
-	if p.Packed {
-		s += ",packed"
-	}
-	s += ",name=" + p.OrigName
-	if p.JSONName != "" {
-		s += ",json=" + p.JSONName
-	}
-	if len(p.Enum) > 0 {
-		s += ",enum=" + p.Enum
-	}
-	if len(p.Weak) > 0 {
-		s += ",weak=" + p.Weak
-	}
-	if p.Proto3 {
-		s += ",proto3"
-	}
-	if p.Oneof {
-		s += ",oneof"
-	}
-	if p.HasDefault {
-		s += ",def=" + p.Default
-	}
-	return s
-}
-
-// Parse populates p by parsing a string in the protobuf struct field tag style.
-func (p *Properties) Parse(tag string) {
-	// For example: "bytes,49,opt,name=foo,def=hello!"
-	for len(tag) > 0 {
-		i := strings.IndexByte(tag, ',')
-		if i < 0 {
-			i = len(tag)
-		}
-		switch s := tag[:i]; {
-		case strings.HasPrefix(s, "name="):
-			p.OrigName = s[len("name="):]
-		case strings.HasPrefix(s, "json="):
-			p.JSONName = s[len("json="):]
-		case strings.HasPrefix(s, "enum="):
-			p.Enum = s[len("enum="):]
-		case strings.HasPrefix(s, "weak="):
-			p.Weak = s[len("weak="):]
-		case strings.Trim(s, "0123456789") == "":
-			n, _ := strconv.ParseUint(s, 10, 32)
-			p.Tag = int(n)
-		case s == "opt":
-			p.Optional = true
-		case s == "req":
-			p.Required = true
-		case s == "rep":
-			p.Repeated = true
-		case s == "varint" || s == "zigzag32" || s == "zigzag64":
-			p.Wire = s
-			p.WireType = WireVarint
-		case s == "fixed32":
-			p.Wire = s
-			p.WireType = WireFixed32
-		case s == "fixed64":
-			p.Wire = s
-			p.WireType = WireFixed64
-		case s == "bytes":
-			p.Wire = s
-			p.WireType = WireBytes
-		case s == "group":
-			p.Wire = s
-			p.WireType = WireStartGroup
-		case s == "packed":
-			p.Packed = true
-		case s == "proto3":
-			p.Proto3 = true
-		case s == "oneof":
-			p.Oneof = true
-		case strings.HasPrefix(s, "def="):
-			// The default tag is special in that everything afterwards is the
-			// default regardless of the presence of commas.
-			p.HasDefault = true
-			p.Default, i = tag[len("def="):], len(tag)
-		}
-		tag = strings.TrimPrefix(tag[i:], ",")
-	}
-}
-
-// Init populates the properties from a protocol buffer struct tag.
-//
-// Deprecated: Do not use.
-func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) {
-	p.Name = name
-	p.OrigName = name
-	if tag == "" {
-		return
-	}
-	p.Parse(tag)
-
-	if typ != nil && typ.Kind() == reflect.Map {
-		p.MapKeyProp = new(Properties)
-		p.MapKeyProp.Init(nil, "Key", f.Tag.Get("protobuf_key"), nil)
-		p.MapValProp = new(Properties)
-		p.MapValProp.Init(nil, "Value", f.Tag.Get("protobuf_val"), nil)
-	}
-}
-
-var propertiesCache sync.Map // map[reflect.Type]*StructProperties
-
-// GetProperties returns the list of properties for the type represented by t,
-// which must be a generated protocol buffer message in the open-struct API,
-// where protobuf message fields are represented by exported Go struct fields.
-//
-// Deprecated: Use protobuf reflection instead.
-func GetProperties(t reflect.Type) *StructProperties {
-	if p, ok := propertiesCache.Load(t); ok {
-		return p.(*StructProperties)
-	}
-	p, _ := propertiesCache.LoadOrStore(t, newProperties(t))
-	return p.(*StructProperties)
-}
-
-func newProperties(t reflect.Type) *StructProperties {
-	if t.Kind() != reflect.Struct {
-		panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
-	}
-
-	var hasOneof bool
-	prop := new(StructProperties)
-
-	// Construct a list of properties for each field in the struct.
-	for i := 0; i < t.NumField(); i++ {
-		p := new(Properties)
-		f := t.Field(i)
-		tagField := f.Tag.Get("protobuf")
-		p.Init(f.Type, f.Name, tagField, &f)
-
-		tagOneof := f.Tag.Get("protobuf_oneof")
-		if tagOneof != "" {
-			hasOneof = true
-			p.OrigName = tagOneof
-		}
-
-		// Rename unrelated struct fields with the "XXX_" prefix since so much
-		// user code simply checks for this to exclude special fields.
-		if tagField == "" && tagOneof == "" && !strings.HasPrefix(p.Name, "XXX_") {
-			p.Name = "XXX_" + p.Name
-			p.OrigName = "XXX_" + p.OrigName
-		} else if p.Weak != "" {
-			p.Name = p.OrigName // avoid possible "XXX_" prefix on weak field
-		}
-
-		prop.Prop = append(prop.Prop, p)
-	}
-
-	// Construct a mapping of oneof field names to properties.
-	if hasOneof {
-		var oneofWrappers []interface{}
-		if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofFuncs"); ok {
-			oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[3].Interface().([]interface{})
-		}
-		if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofWrappers"); ok {
-			oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[0].Interface().([]interface{})
-		}
-		if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(protoreflect.ProtoMessage); ok {
-			if m, ok := m.ProtoReflect().(interface{ ProtoMessageInfo() *protoimpl.MessageInfo }); ok {
-				oneofWrappers = m.ProtoMessageInfo().OneofWrappers
-			}
-		}
-
-		prop.OneofTypes = make(map[string]*OneofProperties)
-		for _, wrapper := range oneofWrappers {
-			p := &OneofProperties{
-				Type: reflect.ValueOf(wrapper).Type(), // *T
-				Prop: new(Properties),
-			}
-			f := p.Type.Elem().Field(0)
-			p.Prop.Name = f.Name
-			p.Prop.Parse(f.Tag.Get("protobuf"))
-
-			// Determine the struct field that contains this oneof.
-			// Each wrapper is assignable to exactly one parent field.
-			var foundOneof bool
-			for i := 0; i < t.NumField() && !foundOneof; i++ {
-				if p.Type.AssignableTo(t.Field(i).Type) {
-					p.Field = i
-					foundOneof = true
-				}
-			}
-			if !foundOneof {
-				panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
-			}
-			prop.OneofTypes[p.Prop.OrigName] = p
-		}
-	}
-
-	return prop
-}
-
-func (sp *StructProperties) Len() int           { return len(sp.Prop) }
-func (sp *StructProperties) Less(i, j int) bool { return false }
-func (sp *StructProperties) Swap(i, j int)      { return }

vendor/github.com/golang/protobuf/proto/proto.go

@@ -1,167 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package proto provides functionality for handling protocol buffer messages.
-// In particular, it provides marshaling and unmarshaling between a protobuf
-// message and the binary wire format.
-//
-// See https://developers.google.com/protocol-buffers/docs/gotutorial for
-// more information.
-//
-// Deprecated: Use the "google.golang.org/protobuf/proto" package instead.
-package proto
-
-import (
-	protoV2 "google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/runtime/protoiface"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-const (
-	ProtoPackageIsVersion1 = true
-	ProtoPackageIsVersion2 = true
-	ProtoPackageIsVersion3 = true
-	ProtoPackageIsVersion4 = true
-)
-
-// GeneratedEnum is any enum type generated by protoc-gen-go
-// which is a named int32 kind.
-// This type exists for documentation purposes.
-type GeneratedEnum interface{}
-
-// GeneratedMessage is any message type generated by protoc-gen-go
-// which is a pointer to a named struct kind.
-// This type exists for documentation purposes.
-type GeneratedMessage interface{}
-
-// Message is a protocol buffer message.
-//
-// This is the v1 version of the message interface and is marginally better
-// than an empty interface as it lacks any method to programatically interact
-// with the contents of the message.
-//
-// A v2 message is declared in "google.golang.org/protobuf/proto".Message and
-// exposes protobuf reflection as a first-class feature of the interface.
-//
-// To convert a v1 message to a v2 message, use the MessageV2 function.
-// To convert a v2 message to a v1 message, use the MessageV1 function.
-type Message = protoiface.MessageV1
-
-// MessageV1 converts either a v1 or v2 message to a v1 message.
-// It returns nil if m is nil.
-func MessageV1(m GeneratedMessage) protoiface.MessageV1 {
-	return protoimpl.X.ProtoMessageV1Of(m)
-}
-
-// MessageV2 converts either a v1 or v2 message to a v2 message.
-// It returns nil if m is nil.
-func MessageV2(m GeneratedMessage) protoV2.Message {
-	return protoimpl.X.ProtoMessageV2Of(m)
-}
-
-// MessageReflect returns a reflective view for a message.
-// It returns nil if m is nil.
-func MessageReflect(m Message) protoreflect.Message {
-	return protoimpl.X.MessageOf(m)
-}
-
-// Marshaler is implemented by messages that can marshal themselves.
-// This interface is used by the following functions: Size, Marshal,
-// Buffer.Marshal, and Buffer.EncodeMessage.
-//
-// Deprecated: Do not implement.
-type Marshaler interface {
-	// Marshal formats the encoded bytes of the message.
-	// It should be deterministic and emit valid protobuf wire data.
-	// The caller takes ownership of the returned buffer.
-	Marshal() ([]byte, error)
-}
-
-// Unmarshaler is implemented by messages that can unmarshal themselves.
-// This interface is used by the following functions: Unmarshal, UnmarshalMerge,
-// Buffer.Unmarshal, Buffer.DecodeMessage, and Buffer.DecodeGroup.
-//
-// Deprecated: Do not implement.
-type Unmarshaler interface {
-	// Unmarshal parses the encoded bytes of the protobuf wire input.
-	// The provided buffer is only valid for during method call.
-	// It should not reset the receiver message.
-	Unmarshal([]byte) error
-}
-
-// Merger is implemented by messages that can merge themselves.
-// This interface is used by the following functions: Clone and Merge.
-//
-// Deprecated: Do not implement.
-type Merger interface {
-	// Merge merges the contents of src into the receiver message.
-	// It clones all data structures in src such that it aliases no mutable
-	// memory referenced by src.
-	Merge(src Message)
-}
-
-// RequiredNotSetError is an error type returned when
-// marshaling or unmarshaling a message with missing required fields.
-type RequiredNotSetError struct {
-	err error
-}
-
-func (e *RequiredNotSetError) Error() string {
-	if e.err != nil {
-		return e.err.Error()
-	}
-	return "proto: required field not set"
-}
-func (e *RequiredNotSetError) RequiredNotSet() bool {
-	return true
-}
-
-func checkRequiredNotSet(m protoV2.Message) error {
-	if err := protoV2.CheckInitialized(m); err != nil {
-		return &RequiredNotSetError{err: err}
-	}
-	return nil
-}
-
-// Clone returns a deep copy of src.
-func Clone(src Message) Message {
-	return MessageV1(protoV2.Clone(MessageV2(src)))
-}
-
-// Merge merges src into dst, which must be messages of the same type.
-//
-// Populated scalar fields in src are copied to dst, while populated
-// singular messages in src are merged into dst by recursively calling Merge.
-// The elements of every list field in src is appended to the corresponded
-// list fields in dst. The entries of every map field in src is copied into
-// the corresponding map field in dst, possibly replacing existing entries.
-// The unknown fields of src are appended to the unknown fields of dst.
-func Merge(dst, src Message) {
-	protoV2.Merge(MessageV2(dst), MessageV2(src))
-}
-
-// Equal reports whether two messages are equal.
-// If two messages marshal to the same bytes under deterministic serialization,
-// then Equal is guaranteed to report true.
-//
-// Two messages are equal if they are the same protobuf message type,
-// have the same set of populated known and extension field values,
-// and the same set of unknown fields values.
-//
-// Scalar values are compared with the equivalent of the == operator in Go,
-// except bytes values which are compared using bytes.Equal and
-// floating point values which specially treat NaNs as equal.
-// Message values are compared by recursively calling Equal.
-// Lists are equal if each element value is also equal.
-// Maps are equal if they have the same set of keys, where the pair of values
-// for each key is also equal.
-func Equal(x, y Message) bool {
-	return protoV2.Equal(MessageV2(x), MessageV2(y))
-}
-
-func isMessageSet(md protoreflect.MessageDescriptor) bool {
-	ms, ok := md.(interface{ IsMessageSet() bool })
-	return ok && ms.IsMessageSet()
-}

vendor/github.com/golang/protobuf/proto/registry.go

@@ -1,317 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"bytes"
-	"compress/gzip"
-	"fmt"
-	"io/ioutil"
-	"reflect"
-	"strings"
-	"sync"
-
-	"google.golang.org/protobuf/reflect/protodesc"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-// filePath is the path to the proto source file.
-type filePath = string // e.g., "google/protobuf/descriptor.proto"
-
-// fileDescGZIP is the compressed contents of the encoded FileDescriptorProto.
-type fileDescGZIP = []byte
-
-var fileCache sync.Map // map[filePath]fileDescGZIP
-
-// RegisterFile is called from generated code to register the compressed
-// FileDescriptorProto with the file path for a proto source file.
-//
-// Deprecated: Use protoregistry.GlobalFiles.RegisterFile instead.
-func RegisterFile(s filePath, d fileDescGZIP) {
-	// Decompress the descriptor.
-	zr, err := gzip.NewReader(bytes.NewReader(d))
-	if err != nil {
-		panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
-	}
-	b, err := ioutil.ReadAll(zr)
-	if err != nil {
-		panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
-	}
-
-	// Construct a protoreflect.FileDescriptor from the raw descriptor.
-	// Note that DescBuilder.Build automatically registers the constructed
-	// file descriptor with the v2 registry.
-	protoimpl.DescBuilder{RawDescriptor: b}.Build()
-
-	// Locally cache the raw descriptor form for the file.
-	fileCache.Store(s, d)
-}
-
-// FileDescriptor returns the compressed FileDescriptorProto given the file path
-// for a proto source file. It returns nil if not found.
-//
-// Deprecated: Use protoregistry.GlobalFiles.FindFileByPath instead.
-func FileDescriptor(s filePath) fileDescGZIP {
-	if v, ok := fileCache.Load(s); ok {
-		return v.(fileDescGZIP)
-	}
-
-	// Find the descriptor in the v2 registry.
-	var b []byte
-	if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil {
-		b, _ = Marshal(protodesc.ToFileDescriptorProto(fd))
-	}
-
-	// Locally cache the raw descriptor form for the file.
-	if len(b) > 0 {
-		v, _ := fileCache.LoadOrStore(s, protoimpl.X.CompressGZIP(b))
-		return v.(fileDescGZIP)
-	}
-	return nil
-}
-
-// enumName is the name of an enum. For historical reasons, the enum name is
-// neither the full Go name nor the full protobuf name of the enum.
-// The name is the dot-separated combination of just the proto package that the
-// enum is declared within followed by the Go type name of the generated enum.
-type enumName = string // e.g., "my.proto.package.GoMessage_GoEnum"
-
-// enumsByName maps enum values by name to their numeric counterpart.
-type enumsByName = map[string]int32
-
-// enumsByNumber maps enum values by number to their name counterpart.
-type enumsByNumber = map[int32]string
-
-var enumCache sync.Map     // map[enumName]enumsByName
-var numFilesCache sync.Map // map[protoreflect.FullName]int
-
-// RegisterEnum is called from the generated code to register the mapping of
-// enum value names to enum numbers for the enum identified by s.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RegisterEnum instead.
-func RegisterEnum(s enumName, _ enumsByNumber, m enumsByName) {
-	if _, ok := enumCache.Load(s); ok {
-		panic("proto: duplicate enum registered: " + s)
-	}
-	enumCache.Store(s, m)
-
-	// This does not forward registration to the v2 registry since this API
-	// lacks sufficient information to construct a complete v2 enum descriptor.
-}
-
-// EnumValueMap returns the mapping from enum value names to enum numbers for
-// the enum of the given name. It returns nil if not found.
-//
-// Deprecated: Use protoregistry.GlobalTypes.FindEnumByName instead.
-func EnumValueMap(s enumName) enumsByName {
-	if v, ok := enumCache.Load(s); ok {
-		return v.(enumsByName)
-	}
-
-	// Check whether the cache is stale. If the number of files in the current
-	// package differs, then it means that some enums may have been recently
-	// registered upstream that we do not know about.
-	var protoPkg protoreflect.FullName
-	if i := strings.LastIndexByte(s, '.'); i >= 0 {
-		protoPkg = protoreflect.FullName(s[:i])
-	}
-	v, _ := numFilesCache.Load(protoPkg)
-	numFiles, _ := v.(int)
-	if protoregistry.GlobalFiles.NumFilesByPackage(protoPkg) == numFiles {
-		return nil // cache is up-to-date; was not found earlier
-	}
-
-	// Update the enum cache for all enums declared in the given proto package.
-	numFiles = 0
-	protoregistry.GlobalFiles.RangeFilesByPackage(protoPkg, func(fd protoreflect.FileDescriptor) bool {
-		walkEnums(fd, func(ed protoreflect.EnumDescriptor) {
-			name := protoimpl.X.LegacyEnumName(ed)
-			if _, ok := enumCache.Load(name); !ok {
-				m := make(enumsByName)
-				evs := ed.Values()
-				for i := evs.Len() - 1; i >= 0; i-- {
-					ev := evs.Get(i)
-					m[string(ev.Name())] = int32(ev.Number())
-				}
-				enumCache.LoadOrStore(name, m)
-			}
-		})
-		numFiles++
-		return true
-	})
-	numFilesCache.Store(protoPkg, numFiles)
-
-	// Check cache again for enum map.
-	if v, ok := enumCache.Load(s); ok {
-		return v.(enumsByName)
-	}
-	return nil
-}
-
-// walkEnums recursively walks all enums declared in d.
-func walkEnums(d interface {
-	Enums() protoreflect.EnumDescriptors
-	Messages() protoreflect.MessageDescriptors
-}, f func(protoreflect.EnumDescriptor)) {
-	eds := d.Enums()
-	for i := eds.Len() - 1; i >= 0; i-- {
-		f(eds.Get(i))
-	}
-	mds := d.Messages()
-	for i := mds.Len() - 1; i >= 0; i-- {
-		walkEnums(mds.Get(i), f)
-	}
-}
-
-// messageName is the full name of protobuf message.
-type messageName = string
-
-var messageTypeCache sync.Map // map[messageName]reflect.Type
-
-// RegisterType is called from generated code to register the message Go type
-// for a message of the given name.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RegisterMessage instead.
-func RegisterType(m Message, s messageName) {
-	mt := protoimpl.X.LegacyMessageTypeOf(m, protoreflect.FullName(s))
-	if err := protoregistry.GlobalTypes.RegisterMessage(mt); err != nil {
-		panic(err)
-	}
-	messageTypeCache.Store(s, reflect.TypeOf(m))
-}
-
-// RegisterMapType is called from generated code to register the Go map type
-// for a protobuf message representing a map entry.
-//
-// Deprecated: Do not use.
-func RegisterMapType(m interface{}, s messageName) {
-	t := reflect.TypeOf(m)
-	if t.Kind() != reflect.Map {
-		panic(fmt.Sprintf("invalid map kind: %v", t))
-	}
-	if _, ok := messageTypeCache.Load(s); ok {
-		panic(fmt.Errorf("proto: duplicate proto message registered: %s", s))
-	}
-	messageTypeCache.Store(s, t)
-}
-
-// MessageType returns the message type for a named message.
-// It returns nil if not found.
-//
-// Deprecated: Use protoregistry.GlobalTypes.FindMessageByName instead.
-func MessageType(s messageName) reflect.Type {
-	if v, ok := messageTypeCache.Load(s); ok {
-		return v.(reflect.Type)
-	}
-
-	// Derive the message type from the v2 registry.
-	var t reflect.Type
-	if mt, _ := protoregistry.GlobalTypes.FindMessageByName(protoreflect.FullName(s)); mt != nil {
-		t = messageGoType(mt)
-	}
-
-	// If we could not get a concrete type, it is possible that it is a
-	// pseudo-message for a map entry.
-	if t == nil {
-		d, _ := protoregistry.GlobalFiles.FindDescriptorByName(protoreflect.FullName(s))
-		if md, _ := d.(protoreflect.MessageDescriptor); md != nil && md.IsMapEntry() {
-			kt := goTypeForField(md.Fields().ByNumber(1))
-			vt := goTypeForField(md.Fields().ByNumber(2))
-			t = reflect.MapOf(kt, vt)
-		}
-	}
-
-	// Locally cache the message type for the given name.
-	if t != nil {
-		v, _ := messageTypeCache.LoadOrStore(s, t)
-		return v.(reflect.Type)
-	}
-	return nil
-}
-
-func goTypeForField(fd protoreflect.FieldDescriptor) reflect.Type {
-	switch k := fd.Kind(); k {
-	case protoreflect.EnumKind:
-		if et, _ := protoregistry.GlobalTypes.FindEnumByName(fd.Enum().FullName()); et != nil {
-			return enumGoType(et)
-		}
-		return reflect.TypeOf(protoreflect.EnumNumber(0))
-	case protoreflect.MessageKind, protoreflect.GroupKind:
-		if mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName()); mt != nil {
-			return messageGoType(mt)
-		}
-		return reflect.TypeOf((*protoreflect.Message)(nil)).Elem()
-	default:
-		return reflect.TypeOf(fd.Default().Interface())
-	}
-}
-
-func enumGoType(et protoreflect.EnumType) reflect.Type {
-	return reflect.TypeOf(et.New(0))
-}
-
-func messageGoType(mt protoreflect.MessageType) reflect.Type {
-	return reflect.TypeOf(MessageV1(mt.Zero().Interface()))
-}
-
-// MessageName returns the full protobuf name for the given message type.
-//
-// Deprecated: Use protoreflect.MessageDescriptor.FullName instead.
-func MessageName(m Message) messageName {
-	if m == nil {
-		return ""
-	}
-	if m, ok := m.(interface{ XXX_MessageName() messageName }); ok {
-		return m.XXX_MessageName()
-	}
-	return messageName(protoimpl.X.MessageDescriptorOf(m).FullName())
-}
-
-// RegisterExtension is called from the generated code to register
-// the extension descriptor.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RegisterExtension instead.
-func RegisterExtension(d *ExtensionDesc) {
-	if err := protoregistry.GlobalTypes.RegisterExtension(d); err != nil {
-		panic(err)
-	}
-}
-
-type extensionsByNumber = map[int32]*ExtensionDesc
-
-var extensionCache sync.Map // map[messageName]extensionsByNumber
-
-// RegisteredExtensions returns a map of the registered extensions for the
-// provided protobuf message, indexed by the extension field number.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RangeExtensionsByMessage instead.
-func RegisteredExtensions(m Message) extensionsByNumber {
-	// Check whether the cache is stale. If the number of extensions for
-	// the given message differs, then it means that some extensions were
-	// recently registered upstream that we do not know about.
-	s := MessageName(m)
-	v, _ := extensionCache.Load(s)
-	xs, _ := v.(extensionsByNumber)
-	if protoregistry.GlobalTypes.NumExtensionsByMessage(protoreflect.FullName(s)) == len(xs) {
-		return xs // cache is up-to-date
-	}
-
-	// Cache is stale, re-compute the extensions map.
-	xs = make(extensionsByNumber)
-	protoregistry.GlobalTypes.RangeExtensionsByMessage(protoreflect.FullName(s), func(xt protoreflect.ExtensionType) bool {
-		if xd, ok := xt.(*ExtensionDesc); ok {
-			xs[int32(xt.TypeDescriptor().Number())] = xd
-		} else {
-			// TODO: This implies that the protoreflect.ExtensionType is a
-			// custom type not generated by protoc-gen-go. We could try and
-			// convert the type to an ExtensionDesc.
-		}
-		return true
-	})
-	extensionCache.Store(s, xs)
-	return xs
-}

vendor/github.com/golang/protobuf/proto/text_decode.go

@@ -1,801 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"encoding"
-	"errors"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-	"unicode/utf8"
-
-	"google.golang.org/protobuf/encoding/prototext"
-	protoV2 "google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-)
-
-const wrapTextUnmarshalV2 = false
-
-// ParseError is returned by UnmarshalText.
-type ParseError struct {
-	Message string
-
-	// Deprecated: Do not use.
-	Line, Offset int
-}
-
-func (e *ParseError) Error() string {
-	if wrapTextUnmarshalV2 {
-		return e.Message
-	}
-	if e.Line == 1 {
-		return fmt.Sprintf("line 1.%d: %v", e.Offset, e.Message)
-	}
-	return fmt.Sprintf("line %d: %v", e.Line, e.Message)
-}
-
-// UnmarshalText parses a proto text formatted string into m.
-func UnmarshalText(s string, m Message) error {
-	if u, ok := m.(encoding.TextUnmarshaler); ok {
-		return u.UnmarshalText([]byte(s))
-	}
-
-	m.Reset()
-	mi := MessageV2(m)
-
-	if wrapTextUnmarshalV2 {
-		err := prototext.UnmarshalOptions{
-			AllowPartial: true,
-		}.Unmarshal([]byte(s), mi)
-		if err != nil {
-			return &ParseError{Message: err.Error()}
-		}
-		return checkRequiredNotSet(mi)
-	} else {
-		if err := newTextParser(s).unmarshalMessage(mi.ProtoReflect(), ""); err != nil {
-			return err
-		}
-		return checkRequiredNotSet(mi)
-	}
-}
-
-type textParser struct {
-	s            string // remaining input
-	done         bool   // whether the parsing is finished (success or error)
-	backed       bool   // whether back() was called
-	offset, line int
-	cur          token
-}
-
-type token struct {
-	value    string
-	err      *ParseError
-	line     int    // line number
-	offset   int    // byte number from start of input, not start of line
-	unquoted string // the unquoted version of value, if it was a quoted string
-}
-
-func newTextParser(s string) *textParser {
-	p := new(textParser)
-	p.s = s
-	p.line = 1
-	p.cur.line = 1
-	return p
-}
-
-func (p *textParser) unmarshalMessage(m protoreflect.Message, terminator string) (err error) {
-	md := m.Descriptor()
-	fds := md.Fields()
-
-	// A struct is a sequence of "name: value", terminated by one of
-	// '>' or '}', or the end of the input.  A name may also be
-	// "[extension]" or "[type/url]".
-	//
-	// The whole struct can also be an expanded Any message, like:
-	// [type/url] < ... struct contents ... >
-	seen := make(map[protoreflect.FieldNumber]bool)
-	for {
-		tok := p.next()
-		if tok.err != nil {
-			return tok.err
-		}
-		if tok.value == terminator {
-			break
-		}
-		if tok.value == "[" {
-			if err := p.unmarshalExtensionOrAny(m, seen); err != nil {
-				return err
-			}
-			continue
-		}
-
-		// This is a normal, non-extension field.
-		name := protoreflect.Name(tok.value)
-		fd := fds.ByName(name)
-		switch {
-		case fd == nil:
-			gd := fds.ByName(protoreflect.Name(strings.ToLower(string(name))))
-			if gd != nil && gd.Kind() == protoreflect.GroupKind && gd.Message().Name() == name {
-				fd = gd
-			}
-		case fd.Kind() == protoreflect.GroupKind && fd.Message().Name() != name:
-			fd = nil
-		case fd.IsWeak() && fd.Message().IsPlaceholder():
-			fd = nil
-		}
-		if fd == nil {
-			typeName := string(md.FullName())
-			if m, ok := m.Interface().(Message); ok {
-				t := reflect.TypeOf(m)
-				if t.Kind() == reflect.Ptr {
-					typeName = t.Elem().String()
-				}
-			}
-			return p.errorf("unknown field name %q in %v", name, typeName)
-		}
-		if od := fd.ContainingOneof(); od != nil && m.WhichOneof(od) != nil {
-			return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, od.Name())
-		}
-		if fd.Cardinality() != protoreflect.Repeated && seen[fd.Number()] {
-			return p.errorf("non-repeated field %q was repeated", fd.Name())
-		}
-		seen[fd.Number()] = true
-
-		// Consume any colon.
-		if err := p.checkForColon(fd); err != nil {
-			return err
-		}
-
-		// Parse into the field.
-		v := m.Get(fd)
-		if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
-			v = m.Mutable(fd)
-		}
-		if v, err = p.unmarshalValue(v, fd); err != nil {
-			return err
-		}
-		m.Set(fd, v)
-
-		if err := p.consumeOptionalSeparator(); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (p *textParser) unmarshalExtensionOrAny(m protoreflect.Message, seen map[protoreflect.FieldNumber]bool) error {
-	name, err := p.consumeExtensionOrAnyName()
-	if err != nil {
-		return err
-	}
-
-	// If it contains a slash, it's an Any type URL.
-	if slashIdx := strings.LastIndex(name, "/"); slashIdx >= 0 {
-		tok := p.next()
-		if tok.err != nil {
-			return tok.err
-		}
-		// consume an optional colon
-		if tok.value == ":" {
-			tok = p.next()
-			if tok.err != nil {
-				return tok.err
-			}
-		}
-
-		var terminator string
-		switch tok.value {
-		case "<":
-			terminator = ">"
-		case "{":
-			terminator = "}"
-		default:
-			return p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-
-		mt, err := protoregistry.GlobalTypes.FindMessageByURL(name)
-		if err != nil {
-			return p.errorf("unrecognized message %q in google.protobuf.Any", name[slashIdx+len("/"):])
-		}
-		m2 := mt.New()
-		if err := p.unmarshalMessage(m2, terminator); err != nil {
-			return err
-		}
-		b, err := protoV2.Marshal(m2.Interface())
-		if err != nil {
-			return p.errorf("failed to marshal message of type %q: %v", name[slashIdx+len("/"):], err)
-		}
-
-		urlFD := m.Descriptor().Fields().ByName("type_url")
-		valFD := m.Descriptor().Fields().ByName("value")
-		if seen[urlFD.Number()] {
-			return p.errorf("Any message unpacked multiple times, or %q already set", urlFD.Name())
-		}
-		if seen[valFD.Number()] {
-			return p.errorf("Any message unpacked multiple times, or %q already set", valFD.Name())
-		}
-		m.Set(urlFD, protoreflect.ValueOfString(name))
-		m.Set(valFD, protoreflect.ValueOfBytes(b))
-		seen[urlFD.Number()] = true
-		seen[valFD.Number()] = true
-		return nil
-	}
-
-	xname := protoreflect.FullName(name)
-	xt, _ := protoregistry.GlobalTypes.FindExtensionByName(xname)
-	if xt == nil && isMessageSet(m.Descriptor()) {
-		xt, _ = protoregistry.GlobalTypes.FindExtensionByName(xname.Append("message_set_extension"))
-	}
-	if xt == nil {
-		return p.errorf("unrecognized extension %q", name)
-	}
-	fd := xt.TypeDescriptor()
-	if fd.ContainingMessage().FullName() != m.Descriptor().FullName() {
-		return p.errorf("extension field %q does not extend message %q", name, m.Descriptor().FullName())
-	}
-
-	if err := p.checkForColon(fd); err != nil {
-		return err
-	}
-
-	v := m.Get(fd)
-	if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
-		v = m.Mutable(fd)
-	}
-	v, err = p.unmarshalValue(v, fd)
-	if err != nil {
-		return err
-	}
-	m.Set(fd, v)
-	return p.consumeOptionalSeparator()
-}
-
-func (p *textParser) unmarshalValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return v, tok.err
-	}
-	if tok.value == "" {
-		return v, p.errorf("unexpected EOF")
-	}
-
-	switch {
-	case fd.IsList():
-		lv := v.List()
-		var err error
-		if tok.value == "[" {
-			// Repeated field with list notation, like [1,2,3].
-			for {
-				vv := lv.NewElement()
-				vv, err = p.unmarshalSingularValue(vv, fd)
-				if err != nil {
-					return v, err
-				}
-				lv.Append(vv)
-
-				tok := p.next()
-				if tok.err != nil {
-					return v, tok.err
-				}
-				if tok.value == "]" {
-					break
-				}
-				if tok.value != "," {
-					return v, p.errorf("Expected ']' or ',' found %q", tok.value)
-				}
-			}
-			return v, nil
-		}
-
-		// One value of the repeated field.
-		p.back()
-		vv := lv.NewElement()
-		vv, err = p.unmarshalSingularValue(vv, fd)
-		if err != nil {
-			return v, err
-		}
-		lv.Append(vv)
-		return v, nil
-	case fd.IsMap():
-		// The map entry should be this sequence of tokens:
-		//	< key : KEY value : VALUE >
-		// However, implementations may omit key or value, and technically
-		// we should support them in any order.
-		var terminator string
-		switch tok.value {
-		case "<":
-			terminator = ">"
-		case "{":
-			terminator = "}"
-		default:
-			return v, p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-
-		keyFD := fd.MapKey()
-		valFD := fd.MapValue()
-
-		mv := v.Map()
-		kv := keyFD.Default()
-		vv := mv.NewValue()
-		for {
-			tok := p.next()
-			if tok.err != nil {
-				return v, tok.err
-			}
-			if tok.value == terminator {
-				break
-			}
-			var err error
-			switch tok.value {
-			case "key":
-				if err := p.consumeToken(":"); err != nil {
-					return v, err
-				}
-				if kv, err = p.unmarshalSingularValue(kv, keyFD); err != nil {
-					return v, err
-				}
-				if err := p.consumeOptionalSeparator(); err != nil {
-					return v, err
-				}
-			case "value":
-				if err := p.checkForColon(valFD); err != nil {
-					return v, err
-				}
-				if vv, err = p.unmarshalSingularValue(vv, valFD); err != nil {
-					return v, err
-				}
-				if err := p.consumeOptionalSeparator(); err != nil {
-					return v, err
-				}
-			default:
-				p.back()
-				return v, p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value)
-			}
-		}
-		mv.Set(kv.MapKey(), vv)
-		return v, nil
-	default:
-		p.back()
-		return p.unmarshalSingularValue(v, fd)
-	}
-}
-
-func (p *textParser) unmarshalSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return v, tok.err
-	}
-	if tok.value == "" {
-		return v, p.errorf("unexpected EOF")
-	}
-
-	switch fd.Kind() {
-	case protoreflect.BoolKind:
-		switch tok.value {
-		case "true", "1", "t", "True":
-			return protoreflect.ValueOfBool(true), nil
-		case "false", "0", "f", "False":
-			return protoreflect.ValueOfBool(false), nil
-		}
-	case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
-		if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
-			return protoreflect.ValueOfInt32(int32(x)), nil
-		}
-
-		// The C++ parser accepts large positive hex numbers that uses
-		// two's complement arithmetic to represent negative numbers.
-		// This feature is here for backwards compatibility with C++.
-		if strings.HasPrefix(tok.value, "0x") {
-			if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
-				return protoreflect.ValueOfInt32(int32(-(int64(^x) + 1))), nil
-			}
-		}
-	case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
-		if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil {
-			return protoreflect.ValueOfInt64(int64(x)), nil
-		}
-
-		// The C++ parser accepts large positive hex numbers that uses
-		// two's complement arithmetic to represent negative numbers.
-		// This feature is here for backwards compatibility with C++.
-		if strings.HasPrefix(tok.value, "0x") {
-			if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
-				return protoreflect.ValueOfInt64(int64(-(int64(^x) + 1))), nil
-			}
-		}
-	case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
-		if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
-			return protoreflect.ValueOfUint32(uint32(x)), nil
-		}
-	case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
-		if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
-			return protoreflect.ValueOfUint64(uint64(x)), nil
-		}
-	case protoreflect.FloatKind:
-		// Ignore 'f' for compatibility with output generated by C++,
-		// but don't remove 'f' when the value is "-inf" or "inf".
-		v := tok.value
-		if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
-			v = v[:len(v)-len("f")]
-		}
-		if x, err := strconv.ParseFloat(v, 32); err == nil {
-			return protoreflect.ValueOfFloat32(float32(x)), nil
-		}
-	case protoreflect.DoubleKind:
-		// Ignore 'f' for compatibility with output generated by C++,
-		// but don't remove 'f' when the value is "-inf" or "inf".
-		v := tok.value
-		if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
-			v = v[:len(v)-len("f")]
-		}
-		if x, err := strconv.ParseFloat(v, 64); err == nil {
-			return protoreflect.ValueOfFloat64(float64(x)), nil
-		}
-	case protoreflect.StringKind:
-		if isQuote(tok.value[0]) {
-			return protoreflect.ValueOfString(tok.unquoted), nil
-		}
-	case protoreflect.BytesKind:
-		if isQuote(tok.value[0]) {
-			return protoreflect.ValueOfBytes([]byte(tok.unquoted)), nil
-		}
-	case protoreflect.EnumKind:
-		if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
-			return protoreflect.ValueOfEnum(protoreflect.EnumNumber(x)), nil
-		}
-		vd := fd.Enum().Values().ByName(protoreflect.Name(tok.value))
-		if vd != nil {
-			return protoreflect.ValueOfEnum(vd.Number()), nil
-		}
-	case protoreflect.MessageKind, protoreflect.GroupKind:
-		var terminator string
-		switch tok.value {
-		case "{":
-			terminator = "}"
-		case "<":
-			terminator = ">"
-		default:
-			return v, p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-		err := p.unmarshalMessage(v.Message(), terminator)
-		return v, err
-	default:
-		panic(fmt.Sprintf("invalid kind %v", fd.Kind()))
-	}
-	return v, p.errorf("invalid %v: %v", fd.Kind(), tok.value)
-}
-
-// Consume a ':' from the input stream (if the next token is a colon),
-// returning an error if a colon is needed but not present.
-func (p *textParser) checkForColon(fd protoreflect.FieldDescriptor) *ParseError {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != ":" {
-		if fd.Message() == nil {
-			return p.errorf("expected ':', found %q", tok.value)
-		}
-		p.back()
-	}
-	return nil
-}
-
-// consumeExtensionOrAnyName consumes an extension name or an Any type URL and
-// the following ']'. It returns the name or URL consumed.
-func (p *textParser) consumeExtensionOrAnyName() (string, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return "", tok.err
-	}
-
-	// If extension name or type url is quoted, it's a single token.
-	if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] {
-		name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0]))
-		if err != nil {
-			return "", err
-		}
-		return name, p.consumeToken("]")
-	}
-
-	// Consume everything up to "]"
-	var parts []string
-	for tok.value != "]" {
-		parts = append(parts, tok.value)
-		tok = p.next()
-		if tok.err != nil {
-			return "", p.errorf("unrecognized type_url or extension name: %s", tok.err)
-		}
-		if p.done && tok.value != "]" {
-			return "", p.errorf("unclosed type_url or extension name")
-		}
-	}
-	return strings.Join(parts, ""), nil
-}
-
-// consumeOptionalSeparator consumes an optional semicolon or comma.
-// It is used in unmarshalMessage to provide backward compatibility.
-func (p *textParser) consumeOptionalSeparator() error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != ";" && tok.value != "," {
-		p.back()
-	}
-	return nil
-}
-
-func (p *textParser) errorf(format string, a ...interface{}) *ParseError {
-	pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset}
-	p.cur.err = pe
-	p.done = true
-	return pe
-}
-
-func (p *textParser) skipWhitespace() {
-	i := 0
-	for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
-		if p.s[i] == '#' {
-			// comment; skip to end of line or input
-			for i < len(p.s) && p.s[i] != '\n' {
-				i++
-			}
-			if i == len(p.s) {
-				break
-			}
-		}
-		if p.s[i] == '\n' {
-			p.line++
-		}
-		i++
-	}
-	p.offset += i
-	p.s = p.s[i:len(p.s)]
-	if len(p.s) == 0 {
-		p.done = true
-	}
-}
-
-func (p *textParser) advance() {
-	// Skip whitespace
-	p.skipWhitespace()
-	if p.done {
-		return
-	}
-
-	// Start of non-whitespace
-	p.cur.err = nil
-	p.cur.offset, p.cur.line = p.offset, p.line
-	p.cur.unquoted = ""
-	switch p.s[0] {
-	case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/':
-		// Single symbol
-		p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)]
-	case '"', '\'':
-		// Quoted string
-		i := 1
-		for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' {
-			if p.s[i] == '\\' && i+1 < len(p.s) {
-				// skip escaped char
-				i++
-			}
-			i++
-		}
-		if i >= len(p.s) || p.s[i] != p.s[0] {
-			p.errorf("unmatched quote")
-			return
-		}
-		unq, err := unquoteC(p.s[1:i], rune(p.s[0]))
-		if err != nil {
-			p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err)
-			return
-		}
-		p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)]
-		p.cur.unquoted = unq
-	default:
-		i := 0
-		for i < len(p.s) && isIdentOrNumberChar(p.s[i]) {
-			i++
-		}
-		if i == 0 {
-			p.errorf("unexpected byte %#x", p.s[0])
-			return
-		}
-		p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)]
-	}
-	p.offset += len(p.cur.value)
-}
-
-// Back off the parser by one token. Can only be done between calls to next().
-// It makes the next advance() a no-op.
-func (p *textParser) back() { p.backed = true }
-
-// Advances the parser and returns the new current token.
-func (p *textParser) next() *token {
-	if p.backed || p.done {
-		p.backed = false
-		return &p.cur
-	}
-	p.advance()
-	if p.done {
-		p.cur.value = ""
-	} else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
-		// Look for multiple quoted strings separated by whitespace,
-		// and concatenate them.
-		cat := p.cur
-		for {
-			p.skipWhitespace()
-			if p.done || !isQuote(p.s[0]) {
-				break
-			}
-			p.advance()
-			if p.cur.err != nil {
-				return &p.cur
-			}
-			cat.value += " " + p.cur.value
-			cat.unquoted += p.cur.unquoted
-		}
-		p.done = false // parser may have seen EOF, but we want to return cat
-		p.cur = cat
-	}
-	return &p.cur
-}
-
-func (p *textParser) consumeToken(s string) error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != s {
-		p.back()
-		return p.errorf("expected %q, found %q", s, tok.value)
-	}
-	return nil
-}
-
-var errBadUTF8 = errors.New("proto: bad UTF-8")
-
-func unquoteC(s string, quote rune) (string, error) {
-	// This is based on C++'s tokenizer.cc.
-	// Despite its name, this is *not* parsing C syntax.
-	// For instance, "\0" is an invalid quoted string.
-
-	// Avoid allocation in trivial cases.
-	simple := true
-	for _, r := range s {
-		if r == '\\' || r == quote {
-			simple = false
-			break
-		}
-	}
-	if simple {
-		return s, nil
-	}
-
-	buf := make([]byte, 0, 3*len(s)/2)
-	for len(s) > 0 {
-		r, n := utf8.DecodeRuneInString(s)
-		if r == utf8.RuneError && n == 1 {
-			return "", errBadUTF8
-		}
-		s = s[n:]
-		if r != '\\' {
-			if r < utf8.RuneSelf {
-				buf = append(buf, byte(r))
-			} else {
-				buf = append(buf, string(r)...)
-			}
-			continue
-		}
-
-		ch, tail, err := unescape(s)
-		if err != nil {
-			return "", err
-		}
-		buf = append(buf, ch...)
-		s = tail
-	}
-	return string(buf), nil
-}
-
-func unescape(s string) (ch string, tail string, err error) {
-	r, n := utf8.DecodeRuneInString(s)
-	if r == utf8.RuneError && n == 1 {
-		return "", "", errBadUTF8
-	}
-	s = s[n:]
-	switch r {
-	case 'a':
-		return "\a", s, nil
-	case 'b':
-		return "\b", s, nil
-	case 'f':
-		return "\f", s, nil
-	case 'n':
-		return "\n", s, nil
-	case 'r':
-		return "\r", s, nil
-	case 't':
-		return "\t", s, nil
-	case 'v':
-		return "\v", s, nil
-	case '?':
-		return "?", s, nil // trigraph workaround
-	case '\'', '"', '\\':
-		return string(r), s, nil
-	case '0', '1', '2', '3', '4', '5', '6', '7':
-		if len(s) < 2 {
-			return "", "", fmt.Errorf(`\%c requires 2 following digits`, r)
-		}
-		ss := string(r) + s[:2]
-		s = s[2:]
-		i, err := strconv.ParseUint(ss, 8, 8)
-		if err != nil {
-			return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss)
-		}
-		return string([]byte{byte(i)}), s, nil
-	case 'x', 'X', 'u', 'U':
-		var n int
-		switch r {
-		case 'x', 'X':
-			n = 2
-		case 'u':
-			n = 4
-		case 'U':
-			n = 8
-		}
-		if len(s) < n {
-			return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n)
-		}
-		ss := s[:n]
-		s = s[n:]
-		i, err := strconv.ParseUint(ss, 16, 64)
-		if err != nil {
-			return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss)
-		}
-		if r == 'x' || r == 'X' {
-			return string([]byte{byte(i)}), s, nil
-		}
-		if i > utf8.MaxRune {
-			return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss)
-		}
-		return string(rune(i)), s, nil
-	}
-	return "", "", fmt.Errorf(`unknown escape \%c`, r)
-}
-
-func isIdentOrNumberChar(c byte) bool {
-	switch {
-	case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z':
-		return true
-	case '0' <= c && c <= '9':
-		return true
-	}
-	switch c {
-	case '-', '+', '.', '_':
-		return true
-	}
-	return false
-}
-
-func isWhitespace(c byte) bool {
-	switch c {
-	case ' ', '\t', '\n', '\r':
-		return true
-	}
-	return false
-}
-
-func isQuote(c byte) bool {
-	switch c {
-	case '"', '\'':
-		return true
-	}
-	return false
-}

vendor/github.com/golang/protobuf/proto/text_encode.go

@@ -1,560 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"bytes"
-	"encoding"
-	"fmt"
-	"io"
-	"math"
-	"sort"
-	"strings"
-
-	"google.golang.org/protobuf/encoding/prototext"
-	"google.golang.org/protobuf/encoding/protowire"
-	"google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-)
-
-const wrapTextMarshalV2 = false
-
-// TextMarshaler is a configurable text format marshaler.
-type TextMarshaler struct {
-	Compact   bool // use compact text format (one line)
-	ExpandAny bool // expand google.protobuf.Any messages of known types
-}
-
-// Marshal writes the proto text format of m to w.
-func (tm *TextMarshaler) Marshal(w io.Writer, m Message) error {
-	b, err := tm.marshal(m)
-	if len(b) > 0 {
-		if _, err := w.Write(b); err != nil {
-			return err
-		}
-	}
-	return err
-}
-
-// Text returns a proto text formatted string of m.
-func (tm *TextMarshaler) Text(m Message) string {
-	b, _ := tm.marshal(m)
-	return string(b)
-}
-
-func (tm *TextMarshaler) marshal(m Message) ([]byte, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return []byte("<nil>"), nil
-	}
-
-	if wrapTextMarshalV2 {
-		if m, ok := m.(encoding.TextMarshaler); ok {
-			return m.MarshalText()
-		}
-
-		opts := prototext.MarshalOptions{
-			AllowPartial: true,
-			EmitUnknown:  true,
-		}
-		if !tm.Compact {
-			opts.Indent = "  "
-		}
-		if !tm.ExpandAny {
-			opts.Resolver = (*protoregistry.Types)(nil)
-		}
-		return opts.Marshal(mr.Interface())
-	} else {
-		w := &textWriter{
-			compact:   tm.Compact,
-			expandAny: tm.ExpandAny,
-			complete:  true,
-		}
-
-		if m, ok := m.(encoding.TextMarshaler); ok {
-			b, err := m.MarshalText()
-			if err != nil {
-				return nil, err
-			}
-			w.Write(b)
-			return w.buf, nil
-		}
-
-		err := w.writeMessage(mr)
-		return w.buf, err
-	}
-}
-
-var (
-	defaultTextMarshaler = TextMarshaler{}
-	compactTextMarshaler = TextMarshaler{Compact: true}
-)
-
-// MarshalText writes the proto text format of m to w.
-func MarshalText(w io.Writer, m Message) error { return defaultTextMarshaler.Marshal(w, m) }
-
-// MarshalTextString returns a proto text formatted string of m.
-func MarshalTextString(m Message) string { return defaultTextMarshaler.Text(m) }
-
-// CompactText writes the compact proto text format of m to w.
-func CompactText(w io.Writer, m Message) error { return compactTextMarshaler.Marshal(w, m) }
-
-// CompactTextString returns a compact proto text formatted string of m.
-func CompactTextString(m Message) string { return compactTextMarshaler.Text(m) }
-
-var (
-	newline         = []byte("\n")
-	endBraceNewline = []byte("}\n")
-	posInf          = []byte("inf")
-	negInf          = []byte("-inf")
-	nan             = []byte("nan")
-)
-
-// textWriter is an io.Writer that tracks its indentation level.
-type textWriter struct {
-	compact   bool // same as TextMarshaler.Compact
-	expandAny bool // same as TextMarshaler.ExpandAny
-	complete  bool // whether the current position is a complete line
-	indent    int  // indentation level; never negative
-	buf       []byte
-}
-
-func (w *textWriter) Write(p []byte) (n int, _ error) {
-	newlines := bytes.Count(p, newline)
-	if newlines == 0 {
-		if !w.compact && w.complete {
-			w.writeIndent()
-		}
-		w.buf = append(w.buf, p...)
-		w.complete = false
-		return len(p), nil
-	}
-
-	frags := bytes.SplitN(p, newline, newlines+1)
-	if w.compact {
-		for i, frag := range frags {
-			if i > 0 {
-				w.buf = append(w.buf, ' ')
-				n++
-			}
-			w.buf = append(w.buf, frag...)
-			n += len(frag)
-		}
-		return n, nil
-	}
-
-	for i, frag := range frags {
-		if w.complete {
-			w.writeIndent()
-		}
-		w.buf = append(w.buf, frag...)
-		n += len(frag)
-		if i+1 < len(frags) {
-			w.buf = append(w.buf, '\n')
-			n++
-		}
-	}
-	w.complete = len(frags[len(frags)-1]) == 0
-	return n, nil
-}
-
-func (w *textWriter) WriteByte(c byte) error {
-	if w.compact && c == '\n' {
-		c = ' '
-	}
-	if !w.compact && w.complete {
-		w.writeIndent()
-	}
-	w.buf = append(w.buf, c)
-	w.complete = c == '\n'
-	return nil
-}
-
-func (w *textWriter) writeName(fd protoreflect.FieldDescriptor) {
-	if !w.compact && w.complete {
-		w.writeIndent()
-	}
-	w.complete = false
-
-	if fd.Kind() != protoreflect.GroupKind {
-		w.buf = append(w.buf, fd.Name()...)
-		w.WriteByte(':')
-	} else {
-		// Use message type name for group field name.
-		w.buf = append(w.buf, fd.Message().Name()...)
-	}
-
-	if !w.compact {
-		w.WriteByte(' ')
-	}
-}
-
-func requiresQuotes(u string) bool {
-	// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
-	for _, ch := range u {
-		switch {
-		case ch == '.' || ch == '/' || ch == '_':
-			continue
-		case '0' <= ch && ch <= '9':
-			continue
-		case 'A' <= ch && ch <= 'Z':
-			continue
-		case 'a' <= ch && ch <= 'z':
-			continue
-		default:
-			return true
-		}
-	}
-	return false
-}
-
-// writeProto3Any writes an expanded google.protobuf.Any message.
-//
-// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
-// required messages are not linked in).
-//
-// It returns (true, error) when sv was written in expanded format or an error
-// was encountered.
-func (w *textWriter) writeProto3Any(m protoreflect.Message) (bool, error) {
-	md := m.Descriptor()
-	fdURL := md.Fields().ByName("type_url")
-	fdVal := md.Fields().ByName("value")
-
-	url := m.Get(fdURL).String()
-	mt, err := protoregistry.GlobalTypes.FindMessageByURL(url)
-	if err != nil {
-		return false, nil
-	}
-
-	b := m.Get(fdVal).Bytes()
-	m2 := mt.New()
-	if err := proto.Unmarshal(b, m2.Interface()); err != nil {
-		return false, nil
-	}
-	w.Write([]byte("["))
-	if requiresQuotes(url) {
-		w.writeQuotedString(url)
-	} else {
-		w.Write([]byte(url))
-	}
-	if w.compact {
-		w.Write([]byte("]:<"))
-	} else {
-		w.Write([]byte("]: <\n"))
-		w.indent++
-	}
-	if err := w.writeMessage(m2); err != nil {
-		return true, err
-	}
-	if w.compact {
-		w.Write([]byte("> "))
-	} else {
-		w.indent--
-		w.Write([]byte(">\n"))
-	}
-	return true, nil
-}
-
-func (w *textWriter) writeMessage(m protoreflect.Message) error {
-	md := m.Descriptor()
-	if w.expandAny && md.FullName() == "google.protobuf.Any" {
-		if canExpand, err := w.writeProto3Any(m); canExpand {
-			return err
-		}
-	}
-
-	fds := md.Fields()
-	for i := 0; i < fds.Len(); {
-		fd := fds.Get(i)
-		if od := fd.ContainingOneof(); od != nil {
-			fd = m.WhichOneof(od)
-			i += od.Fields().Len()
-		} else {
-			i++
-		}
-		if fd == nil || !m.Has(fd) {
-			continue
-		}
-
-		switch {
-		case fd.IsList():
-			lv := m.Get(fd).List()
-			for j := 0; j < lv.Len(); j++ {
-				w.writeName(fd)
-				v := lv.Get(j)
-				if err := w.writeSingularValue(v, fd); err != nil {
-					return err
-				}
-				w.WriteByte('\n')
-			}
-		case fd.IsMap():
-			kfd := fd.MapKey()
-			vfd := fd.MapValue()
-			mv := m.Get(fd).Map()
-
-			type entry struct{ key, val protoreflect.Value }
-			var entries []entry
-			mv.Range(func(k protoreflect.MapKey, v protoreflect.Value) bool {
-				entries = append(entries, entry{k.Value(), v})
-				return true
-			})
-			sort.Slice(entries, func(i, j int) bool {
-				switch kfd.Kind() {
-				case protoreflect.BoolKind:
-					return !entries[i].key.Bool() && entries[j].key.Bool()
-				case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
-					return entries[i].key.Int() < entries[j].key.Int()
-				case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
-					return entries[i].key.Uint() < entries[j].key.Uint()
-				case protoreflect.StringKind:
-					return entries[i].key.String() < entries[j].key.String()
-				default:
-					panic("invalid kind")
-				}
-			})
-			for _, entry := range entries {
-				w.writeName(fd)
-				w.WriteByte('<')
-				if !w.compact {
-					w.WriteByte('\n')
-				}
-				w.indent++
-				w.writeName(kfd)
-				if err := w.writeSingularValue(entry.key, kfd); err != nil {
-					return err
-				}
-				w.WriteByte('\n')
-				w.writeName(vfd)
-				if err := w.writeSingularValue(entry.val, vfd); err != nil {
-					return err
-				}
-				w.WriteByte('\n')
-				w.indent--
-				w.WriteByte('>')
-				w.WriteByte('\n')
-			}
-		default:
-			w.writeName(fd)
-			if err := w.writeSingularValue(m.Get(fd), fd); err != nil {
-				return err
-			}
-			w.WriteByte('\n')
-		}
-	}
-
-	if b := m.GetUnknown(); len(b) > 0 {
-		w.writeUnknownFields(b)
-	}
-	return w.writeExtensions(m)
-}
-
-func (w *textWriter) writeSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
-	switch fd.Kind() {
-	case protoreflect.FloatKind, protoreflect.DoubleKind:
-		switch vf := v.Float(); {
-		case math.IsInf(vf, +1):
-			w.Write(posInf)
-		case math.IsInf(vf, -1):
-			w.Write(negInf)
-		case math.IsNaN(vf):
-			w.Write(nan)
-		default:
-			fmt.Fprint(w, v.Interface())
-		}
-	case protoreflect.StringKind:
-		// NOTE: This does not validate UTF-8 for historical reasons.
-		w.writeQuotedString(string(v.String()))
-	case protoreflect.BytesKind:
-		w.writeQuotedString(string(v.Bytes()))
-	case protoreflect.MessageKind, protoreflect.GroupKind:
-		var bra, ket byte = '<', '>'
-		if fd.Kind() == protoreflect.GroupKind {
-			bra, ket = '{', '}'
-		}
-		w.WriteByte(bra)
-		if !w.compact {
-			w.WriteByte('\n')
-		}
-		w.indent++
-		m := v.Message()
-		if m2, ok := m.Interface().(encoding.TextMarshaler); ok {
-			b, err := m2.MarshalText()
-			if err != nil {
-				return err
-			}
-			w.Write(b)
-		} else {
-			w.writeMessage(m)
-		}
-		w.indent--
-		w.WriteByte(ket)
-	case protoreflect.EnumKind:
-		if ev := fd.Enum().Values().ByNumber(v.Enum()); ev != nil {
-			fmt.Fprint(w, ev.Name())
-		} else {
-			fmt.Fprint(w, v.Enum())
-		}
-	default:
-		fmt.Fprint(w, v.Interface())
-	}
-	return nil
-}
-
-// writeQuotedString writes a quoted string in the protocol buffer text format.
-func (w *textWriter) writeQuotedString(s string) {
-	w.WriteByte('"')
-	for i := 0; i < len(s); i++ {
-		switch c := s[i]; c {
-		case '\n':
-			w.buf = append(w.buf, `\n`...)
-		case '\r':
-			w.buf = append(w.buf, `\r`...)
-		case '\t':
-			w.buf = append(w.buf, `\t`...)
-		case '"':
-			w.buf = append(w.buf, `\"`...)
-		case '\\':
-			w.buf = append(w.buf, `\\`...)
-		default:
-			if isPrint := c >= 0x20 && c < 0x7f; isPrint {
-				w.buf = append(w.buf, c)
-			} else {
-				w.buf = append(w.buf, fmt.Sprintf(`\%03o`, c)...)
-			}
-		}
-	}
-	w.WriteByte('"')
-}
-
-func (w *textWriter) writeUnknownFields(b []byte) {
-	if !w.compact {
-		fmt.Fprintf(w, "/* %d unknown bytes */\n", len(b))
-	}
-
-	for len(b) > 0 {
-		num, wtyp, n := protowire.ConsumeTag(b)
-		if n < 0 {
-			return
-		}
-		b = b[n:]
-
-		if wtyp == protowire.EndGroupType {
-			w.indent--
-			w.Write(endBraceNewline)
-			continue
-		}
-		fmt.Fprint(w, num)
-		if wtyp != protowire.StartGroupType {
-			w.WriteByte(':')
-		}
-		if !w.compact || wtyp == protowire.StartGroupType {
-			w.WriteByte(' ')
-		}
-		switch wtyp {
-		case protowire.VarintType:
-			v, n := protowire.ConsumeVarint(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprint(w, v)
-		case protowire.Fixed32Type:
-			v, n := protowire.ConsumeFixed32(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprint(w, v)
-		case protowire.Fixed64Type:
-			v, n := protowire.ConsumeFixed64(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprint(w, v)
-		case protowire.BytesType:
-			v, n := protowire.ConsumeBytes(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprintf(w, "%q", v)
-		case protowire.StartGroupType:
-			w.WriteByte('{')
-			w.indent++
-		default:
-			fmt.Fprintf(w, "/* unknown wire type %d */", wtyp)
-		}
-		w.WriteByte('\n')
-	}
-}
-
-// writeExtensions writes all the extensions in m.
-func (w *textWriter) writeExtensions(m protoreflect.Message) error {
-	md := m.Descriptor()
-	if md.ExtensionRanges().Len() == 0 {
-		return nil
-	}
-
-	type ext struct {
-		desc protoreflect.FieldDescriptor
-		val  protoreflect.Value
-	}
-	var exts []ext
-	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
-		if fd.IsExtension() {
-			exts = append(exts, ext{fd, v})
-		}
-		return true
-	})
-	sort.Slice(exts, func(i, j int) bool {
-		return exts[i].desc.Number() < exts[j].desc.Number()
-	})
-
-	for _, ext := range exts {
-		// For message set, use the name of the message as the extension name.
-		name := string(ext.desc.FullName())
-		if isMessageSet(ext.desc.ContainingMessage()) {
-			name = strings.TrimSuffix(name, ".message_set_extension")
-		}
-
-		if !ext.desc.IsList() {
-			if err := w.writeSingularExtension(name, ext.val, ext.desc); err != nil {
-				return err
-			}
-		} else {
-			lv := ext.val.List()
-			for i := 0; i < lv.Len(); i++ {
-				if err := w.writeSingularExtension(name, lv.Get(i), ext.desc); err != nil {
-					return err
-				}
-			}
-		}
-	}
-	return nil
-}
-
-func (w *textWriter) writeSingularExtension(name string, v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
-	fmt.Fprintf(w, "[%s]:", name)
-	if !w.compact {
-		w.WriteByte(' ')
-	}
-	if err := w.writeSingularValue(v, fd); err != nil {
-		return err
-	}
-	w.WriteByte('\n')
-	return nil
-}
-
-func (w *textWriter) writeIndent() {
-	if !w.complete {
-		return
-	}
-	for i := 0; i < w.indent*2; i++ {
-		w.buf = append(w.buf, ' ')
-	}
-	w.complete = false
-}

vendor/github.com/golang/protobuf/proto/wire.go

@@ -1,78 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	protoV2 "google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/runtime/protoiface"
-)
-
-// Size returns the size in bytes of the wire-format encoding of m.
-func Size(m Message) int {
-	if m == nil {
-		return 0
-	}
-	mi := MessageV2(m)
-	return protoV2.Size(mi)
-}
-
-// Marshal returns the wire-format encoding of m.
-func Marshal(m Message) ([]byte, error) {
-	b, err := marshalAppend(nil, m, false)
-	if b == nil {
-		b = zeroBytes
-	}
-	return b, err
-}
-
-var zeroBytes = make([]byte, 0, 0)
-
-func marshalAppend(buf []byte, m Message, deterministic bool) ([]byte, error) {
-	if m == nil {
-		return nil, ErrNil
-	}
-	mi := MessageV2(m)
-	nbuf, err := protoV2.MarshalOptions{
-		Deterministic: deterministic,
-		AllowPartial:  true,
-	}.MarshalAppend(buf, mi)
-	if err != nil {
-		return buf, err
-	}
-	if len(buf) == len(nbuf) {
-		if !mi.ProtoReflect().IsValid() {
-			return buf, ErrNil
-		}
-	}
-	return nbuf, checkRequiredNotSet(mi)
-}
-
-// Unmarshal parses a wire-format message in b and places the decoded results in m.
-//
-// Unmarshal resets m before starting to unmarshal, so any existing data in m is always
-// removed. Use UnmarshalMerge to preserve and append to existing data.
-func Unmarshal(b []byte, m Message) error {
-	m.Reset()
-	return UnmarshalMerge(b, m)
-}
-
-// UnmarshalMerge parses a wire-format message in b and places the decoded results in m.
-func UnmarshalMerge(b []byte, m Message) error {
-	mi := MessageV2(m)
-	out, err := protoV2.UnmarshalOptions{
-		AllowPartial: true,
-		Merge:        true,
-	}.UnmarshalState(protoiface.UnmarshalInput{
-		Buf:     b,
-		Message: mi.ProtoReflect(),
-	})
-	if err != nil {
-		return err
-	}
-	if out.Flags&protoiface.UnmarshalInitialized > 0 {
-		return nil
-	}
-	return checkRequiredNotSet(mi)
-}

vendor/github.com/golang/protobuf/proto/wrappers.go

@@ -1,34 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-// Bool stores v in a new bool value and returns a pointer to it.
-func Bool(v bool) *bool { return &v }
-
-// Int stores v in a new int32 value and returns a pointer to it.
-//
-// Deprecated: Use Int32 instead.
-func Int(v int) *int32 { return Int32(int32(v)) }
-
-// Int32 stores v in a new int32 value and returns a pointer to it.
-func Int32(v int32) *int32 { return &v }
-
-// Int64 stores v in a new int64 value and returns a pointer to it.
-func Int64(v int64) *int64 { return &v }
-
-// Uint32 stores v in a new uint32 value and returns a pointer to it.
-func Uint32(v uint32) *uint32 { return &v }
-
-// Uint64 stores v in a new uint64 value and returns a pointer to it.
-func Uint64(v uint64) *uint64 { return &v }
-
-// Float32 stores v in a new float32 value and returns a pointer to it.
-func Float32(v float32) *float32 { return &v }
-
-// Float64 stores v in a new float64 value and returns a pointer to it.
-func Float64(v float64) *float64 { return &v }
-
-// String stores v in a new string value and returns a pointer to it.
-func String(v string) *string { return &v }

vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go

@@ -1,64 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
-
-package timestamp
-
-import (
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
-	reflect "reflect"
-)
-
-// Symbols defined in public import of google/protobuf/timestamp.proto.
-
-type Timestamp = timestamppb.Timestamp
-
-var File_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto protoreflect.FileDescriptor
-
-var file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_rawDesc = []byte{
-	0x0a, 0x3b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c,
-	0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79,
-	0x70, 0x65, 0x73, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2f, 0x74, 0x69,
-	0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1f, 0x67,
-	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74,
-	0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x42, 0x37,
-	0x5a, 0x35, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c,
-	0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79,
-	0x70, 0x65, 0x73, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x3b, 0x74, 0x69,
-	0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x50, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x33,
-}
-
-var file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_goTypes = []interface{}{}
-var file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_depIdxs = []int32{
-	0, // [0:0] is the sub-list for method output_type
-	0, // [0:0] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
-}
-
-func init() { file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_init() }
-func file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_init() {
-	if File_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto != nil {
-		return
-	}
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   0,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_goTypes,
-		DependencyIndexes: file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_depIdxs,
-	}.Build()
-	File_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto = out.File
-	file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_rawDesc = nil
-	file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_goTypes = nil
-	file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_depIdxs = nil
-}

vendor/github.com/gorilla/websocket/AUTHORS

@@ -1,9 +0,0 @@
-# This is the official list of Gorilla WebSocket authors for copyright
-# purposes.
-#
-# Please keep the list sorted.
-
-Gary Burd <gary@beagledreams.com>
-Google LLC (https://opensource.google.com/)
-Joachim Bauch <mail@joachim-bauch.de>
-

vendor/github.com/gorilla/websocket/README.md

@@ -7,12 +7,6 @@ Gorilla WebSocket is a [Go](http://golang.org/) implementation of the
 [WebSocket](http://www.rfc-editor.org/rfc/rfc6455.txt) protocol.
 
 
----
-
-⚠️ **[The Gorilla WebSocket Package is looking for a new maintainer](https://github.com/gorilla/websocket/issues/370)**
-
----
-
 ### Documentation
 
 * [API Reference](https://pkg.go.dev/github.com/gorilla/websocket?tab=doc)

vendor/github.com/gorilla/websocket/client.go

@@ -9,6 +9,7 @@ import (
 	"context"
 	"crypto/tls"
 	"errors"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"net"
@@ -318,14 +319,14 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
 	}
 
 	netConn, err := netDial("tcp", hostPort)
+	if err != nil {
+		return nil, nil, err
+	}
 	if trace != nil && trace.GotConn != nil {
 		trace.GotConn(httptrace.GotConnInfo{
 			Conn: netConn,
 		})
 	}
-	if err != nil {
-		return nil, nil, err
-	}
 
 	defer func() {
 		if netConn != nil {
@@ -370,6 +371,17 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
 
 	resp, err := http.ReadResponse(conn.br, req)
 	if err != nil {
+		if d.TLSClientConfig != nil {
+			for _, proto := range d.TLSClientConfig.NextProtos {
+				if proto != "http/1.1" {
+					return nil, nil, fmt.Errorf(
+						"websocket: protocol %q was given but is not supported;"+
+							"sharing tls.Config with net/http Transport can cause this error: %w",
+						proto, err,
+					)
+				}
+			}
+		}
 		return nil, nil, err
 	}
 

vendor/github.com/gorilla/websocket/conn.go

@@ -1189,8 +1189,16 @@ func (c *Conn) SetPongHandler(h func(appData string) error) {
 	c.handlePong = h
 }
 
+// NetConn returns the underlying connection that is wrapped by c.
+// Note that writing to or reading from this connection directly will corrupt the
+// WebSocket connection.
+func (c *Conn) NetConn() net.Conn {
+	return c.conn
+}
+
 // UnderlyingConn returns the internal net.Conn. This can be used to further
 // modifications to connection specific flags.
+// Deprecated: Use the NetConn method.
 func (c *Conn) UnderlyingConn() net.Conn {
 	return c.conn
 }

vendor/github.com/gorilla/websocket/server.go

@@ -154,8 +154,8 @@ func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeade
 	}
 
 	challengeKey := r.Header.Get("Sec-Websocket-Key")
-	if challengeKey == "" {
+	if !isValidChallengeKey(challengeKey) {
-		return u.returnError(w, r, http.StatusBadRequest, "websocket: not a websocket handshake: 'Sec-WebSocket-Key' header is missing or blank")
+		return u.returnError(w, r, http.StatusBadRequest, "websocket: not a websocket handshake: 'Sec-WebSocket-Key' header must be Base64 encoded value of 16-byte in length")
 	}
 
 	subprotocol := u.selectSubprotocol(r, responseHeader)

vendor/github.com/gorilla/websocket/tls_handshake_116.go

@@ -1,21 +0,0 @@
-//go:build !go1.17
-// +build !go1.17
-
-package websocket
-
-import (
-	"context"
-	"crypto/tls"
-)
-
-func doHandshake(ctx context.Context, tlsConn *tls.Conn, cfg *tls.Config) error {
-	if err := tlsConn.Handshake(); err != nil {
-		return err
-	}
-	if !cfg.InsecureSkipVerify {
-		if err := tlsConn.VerifyHostname(cfg.ServerName); err != nil {
-			return err
-		}
-	}
-	return nil
-}

vendor/github.com/gorilla/websocket/util.go

@@ -281,3 +281,18 @@ headers:
 	}
 	return result
 }
+
+// isValidChallengeKey checks if the argument meets RFC6455 specification.
+func isValidChallengeKey(s string) bool {
+	// From RFC6455:
+	//
+	// A |Sec-WebSocket-Key| header field with a base64-encoded (see
+	// Section 4 of [RFC4648]) value that, when decoded, is 16 bytes in
+	// length.
+
+	if s == "" {
+		return false
+	}
+	decoded, err := base64.StdEncoding.DecodeString(s)
+	return err == nil && len(decoded) == 16
+}

vendor/github.com/gorilla/websocket/x_net_proxy.go

@@ -1,473 +0,0 @@
-// Code generated by golang.org/x/tools/cmd/bundle. DO NOT EDIT.
-//go:generate bundle -o x_net_proxy.go golang.org/x/net/proxy
-
-// Package proxy provides support for a variety of protocols to proxy network
-// data.
-//
-
-package websocket
-
-import (
-	"errors"
-	"io"
-	"net"
-	"net/url"
-	"os"
-	"strconv"
-	"strings"
-	"sync"
-)
-
-type proxy_direct struct{}
-
-// Direct is a direct proxy: one that makes network connections directly.
-var proxy_Direct = proxy_direct{}
-
-func (proxy_direct) Dial(network, addr string) (net.Conn, error) {
-	return net.Dial(network, addr)
-}
-
-// A PerHost directs connections to a default Dialer unless the host name
-// requested matches one of a number of exceptions.
-type proxy_PerHost struct {
-	def, bypass proxy_Dialer
-
-	bypassNetworks []*net.IPNet
-	bypassIPs      []net.IP
-	bypassZones    []string
-	bypassHosts    []string
-}
-
-// NewPerHost returns a PerHost Dialer that directs connections to either
-// defaultDialer or bypass, depending on whether the connection matches one of
-// the configured rules.
-func proxy_NewPerHost(defaultDialer, bypass proxy_Dialer) *proxy_PerHost {
-	return &proxy_PerHost{
-		def:    defaultDialer,
-		bypass: bypass,
-	}
-}
-
-// Dial connects to the address addr on the given network through either
-// defaultDialer or bypass.
-func (p *proxy_PerHost) Dial(network, addr string) (c net.Conn, err error) {
-	host, _, err := net.SplitHostPort(addr)
-	if err != nil {
-		return nil, err
-	}
-
-	return p.dialerForRequest(host).Dial(network, addr)
-}
-
-func (p *proxy_PerHost) dialerForRequest(host string) proxy_Dialer {
-	if ip := net.ParseIP(host); ip != nil {
-		for _, net := range p.bypassNetworks {
-			if net.Contains(ip) {
-				return p.bypass
-			}
-		}
-		for _, bypassIP := range p.bypassIPs {
-			if bypassIP.Equal(ip) {
-				return p.bypass
-			}
-		}
-		return p.def
-	}
-
-	for _, zone := range p.bypassZones {
-		if strings.HasSuffix(host, zone) {
-			return p.bypass
-		}
-		if host == zone[1:] {
-			// For a zone ".example.com", we match "example.com"
-			// too.
-			return p.bypass
-		}
-	}
-	for _, bypassHost := range p.bypassHosts {
-		if bypassHost == host {
-			return p.bypass
-		}
-	}
-	return p.def
-}
-
-// AddFromString parses a string that contains comma-separated values
-// specifying hosts that should use the bypass proxy. Each value is either an
-// IP address, a CIDR range, a zone (*.example.com) or a host name
-// (localhost). A best effort is made to parse the string and errors are
-// ignored.
-func (p *proxy_PerHost) AddFromString(s string) {
-	hosts := strings.Split(s, ",")
-	for _, host := range hosts {
-		host = strings.TrimSpace(host)
-		if len(host) == 0 {
-			continue
-		}
-		if strings.Contains(host, "/") {
-			// We assume that it's a CIDR address like 127.0.0.0/8
-			if _, net, err := net.ParseCIDR(host); err == nil {
-				p.AddNetwork(net)
-			}
-			continue
-		}
-		if ip := net.ParseIP(host); ip != nil {
-			p.AddIP(ip)
-			continue
-		}
-		if strings.HasPrefix(host, "*.") {
-			p.AddZone(host[1:])
-			continue
-		}
-		p.AddHost(host)
-	}
-}
-
-// AddIP specifies an IP address that will use the bypass proxy. Note that
-// this will only take effect if a literal IP address is dialed. A connection
-// to a named host will never match an IP.
-func (p *proxy_PerHost) AddIP(ip net.IP) {
-	p.bypassIPs = append(p.bypassIPs, ip)
-}
-
-// AddNetwork specifies an IP range that will use the bypass proxy. Note that
-// this will only take effect if a literal IP address is dialed. A connection
-// to a named host will never match.
-func (p *proxy_PerHost) AddNetwork(net *net.IPNet) {
-	p.bypassNetworks = append(p.bypassNetworks, net)
-}
-
-// AddZone specifies a DNS suffix that will use the bypass proxy. A zone of
-// "example.com" matches "example.com" and all of its subdomains.
-func (p *proxy_PerHost) AddZone(zone string) {
-	if strings.HasSuffix(zone, ".") {
-		zone = zone[:len(zone)-1]
-	}
-	if !strings.HasPrefix(zone, ".") {
-		zone = "." + zone
-	}
-	p.bypassZones = append(p.bypassZones, zone)
-}
-
-// AddHost specifies a host name that will use the bypass proxy.
-func (p *proxy_PerHost) AddHost(host string) {
-	if strings.HasSuffix(host, ".") {
-		host = host[:len(host)-1]
-	}
-	p.bypassHosts = append(p.bypassHosts, host)
-}
-
-// A Dialer is a means to establish a connection.
-type proxy_Dialer interface {
-	// Dial connects to the given address via the proxy.
-	Dial(network, addr string) (c net.Conn, err error)
-}
-
-// Auth contains authentication parameters that specific Dialers may require.
-type proxy_Auth struct {
-	User, Password string
-}
-
-// FromEnvironment returns the dialer specified by the proxy related variables in
-// the environment.
-func proxy_FromEnvironment() proxy_Dialer {
-	allProxy := proxy_allProxyEnv.Get()
-	if len(allProxy) == 0 {
-		return proxy_Direct
-	}
-
-	proxyURL, err := url.Parse(allProxy)
-	if err != nil {
-		return proxy_Direct
-	}
-	proxy, err := proxy_FromURL(proxyURL, proxy_Direct)
-	if err != nil {
-		return proxy_Direct
-	}
-
-	noProxy := proxy_noProxyEnv.Get()
-	if len(noProxy) == 0 {
-		return proxy
-	}
-
-	perHost := proxy_NewPerHost(proxy, proxy_Direct)
-	perHost.AddFromString(noProxy)
-	return perHost
-}
-
-// proxySchemes is a map from URL schemes to a function that creates a Dialer
-// from a URL with such a scheme.
-var proxy_proxySchemes map[string]func(*url.URL, proxy_Dialer) (proxy_Dialer, error)
-
-// RegisterDialerType takes a URL scheme and a function to generate Dialers from
-// a URL with that scheme and a forwarding Dialer. Registered schemes are used
-// by FromURL.
-func proxy_RegisterDialerType(scheme string, f func(*url.URL, proxy_Dialer) (proxy_Dialer, error)) {
-	if proxy_proxySchemes == nil {
-		proxy_proxySchemes = make(map[string]func(*url.URL, proxy_Dialer) (proxy_Dialer, error))
-	}
-	proxy_proxySchemes[scheme] = f
-}
-
-// FromURL returns a Dialer given a URL specification and an underlying
-// Dialer for it to make network requests.
-func proxy_FromURL(u *url.URL, forward proxy_Dialer) (proxy_Dialer, error) {
-	var auth *proxy_Auth
-	if u.User != nil {
-		auth = new(proxy_Auth)
-		auth.User = u.User.Username()
-		if p, ok := u.User.Password(); ok {
-			auth.Password = p
-		}
-	}
-
-	switch u.Scheme {
-	case "socks5":
-		return proxy_SOCKS5("tcp", u.Host, auth, forward)
-	}
-
-	// If the scheme doesn't match any of the built-in schemes, see if it
-	// was registered by another package.
-	if proxy_proxySchemes != nil {
-		if f, ok := proxy_proxySchemes[u.Scheme]; ok {
-			return f(u, forward)
-		}
-	}
-
-	return nil, errors.New("proxy: unknown scheme: " + u.Scheme)
-}
-
-var (
-	proxy_allProxyEnv = &proxy_envOnce{
-		names: []string{"ALL_PROXY", "all_proxy"},
-	}
-	proxy_noProxyEnv = &proxy_envOnce{
-		names: []string{"NO_PROXY", "no_proxy"},
-	}
-)
-
-// envOnce looks up an environment variable (optionally by multiple
-// names) once. It mitigates expensive lookups on some platforms
-// (e.g. Windows).
-// (Borrowed from net/http/transport.go)
-type proxy_envOnce struct {
-	names []string
-	once  sync.Once
-	val   string
-}
-
-func (e *proxy_envOnce) Get() string {
-	e.once.Do(e.init)
-	return e.val
-}
-
-func (e *proxy_envOnce) init() {
-	for _, n := range e.names {
-		e.val = os.Getenv(n)
-		if e.val != "" {
-			return
-		}
-	}
-}
-
-// SOCKS5 returns a Dialer that makes SOCKSv5 connections to the given address
-// with an optional username and password. See RFC 1928 and RFC 1929.
-func proxy_SOCKS5(network, addr string, auth *proxy_Auth, forward proxy_Dialer) (proxy_Dialer, error) {
-	s := &proxy_socks5{
-		network: network,
-		addr:    addr,
-		forward: forward,
-	}
-	if auth != nil {
-		s.user = auth.User
-		s.password = auth.Password
-	}
-
-	return s, nil
-}
-
-type proxy_socks5 struct {
-	user, password string
-	network, addr  string
-	forward        proxy_Dialer
-}
-
-const proxy_socks5Version = 5
-
-const (
-	proxy_socks5AuthNone     = 0
-	proxy_socks5AuthPassword = 2
-)
-
-const proxy_socks5Connect = 1
-
-const (
-	proxy_socks5IP4    = 1
-	proxy_socks5Domain = 3
-	proxy_socks5IP6    = 4
-)
-
-var proxy_socks5Errors = []string{
-	"",
-	"general failure",
-	"connection forbidden",
-	"network unreachable",
-	"host unreachable",
-	"connection refused",
-	"TTL expired",
-	"command not supported",
-	"address type not supported",
-}
-
-// Dial connects to the address addr on the given network via the SOCKS5 proxy.
-func (s *proxy_socks5) Dial(network, addr string) (net.Conn, error) {
-	switch network {
-	case "tcp", "tcp6", "tcp4":
-	default:
-		return nil, errors.New("proxy: no support for SOCKS5 proxy connections of type " + network)
-	}
-
-	conn, err := s.forward.Dial(s.network, s.addr)
-	if err != nil {
-		return nil, err
-	}
-	if err := s.connect(conn, addr); err != nil {
-		conn.Close()
-		return nil, err
-	}
-	return conn, nil
-}
-
-// connect takes an existing connection to a socks5 proxy server,
-// and commands the server to extend that connection to target,
-// which must be a canonical address with a host and port.
-func (s *proxy_socks5) connect(conn net.Conn, target string) error {
-	host, portStr, err := net.SplitHostPort(target)
-	if err != nil {
-		return err
-	}
-
-	port, err := strconv.Atoi(portStr)
-	if err != nil {
-		return errors.New("proxy: failed to parse port number: " + portStr)
-	}
-	if port < 1 || port > 0xffff {
-		return errors.New("proxy: port number out of range: " + portStr)
-	}
-
-	// the size here is just an estimate
-	buf := make([]byte, 0, 6+len(host))
-
-	buf = append(buf, proxy_socks5Version)
-	if len(s.user) > 0 && len(s.user) < 256 && len(s.password) < 256 {
-		buf = append(buf, 2 /* num auth methods */, proxy_socks5AuthNone, proxy_socks5AuthPassword)
-	} else {
-		buf = append(buf, 1 /* num auth methods */, proxy_socks5AuthNone)
-	}
-
-	if _, err := conn.Write(buf); err != nil {
-		return errors.New("proxy: failed to write greeting to SOCKS5 proxy at " + s.addr + ": " + err.Error())
-	}
-
-	if _, err := io.ReadFull(conn, buf[:2]); err != nil {
-		return errors.New("proxy: failed to read greeting from SOCKS5 proxy at " + s.addr + ": " + err.Error())
-	}
-	if buf[0] != 5 {
-		return errors.New("proxy: SOCKS5 proxy at " + s.addr + " has unexpected version " + strconv.Itoa(int(buf[0])))
-	}
-	if buf[1] == 0xff {
-		return errors.New("proxy: SOCKS5 proxy at " + s.addr + " requires authentication")
-	}
-
-	// See RFC 1929
-	if buf[1] == proxy_socks5AuthPassword {
-		buf = buf[:0]
-		buf = append(buf, 1 /* password protocol version */)
-		buf = append(buf, uint8(len(s.user)))
-		buf = append(buf, s.user...)
-		buf = append(buf, uint8(len(s.password)))
-		buf = append(buf, s.password...)
-
-		if _, err := conn.Write(buf); err != nil {
-			return errors.New("proxy: failed to write authentication request to SOCKS5 proxy at " + s.addr + ": " + err.Error())
-		}
-
-		if _, err := io.ReadFull(conn, buf[:2]); err != nil {
-			return errors.New("proxy: failed to read authentication reply from SOCKS5 proxy at " + s.addr + ": " + err.Error())
-		}
-
-		if buf[1] != 0 {
-			return errors.New("proxy: SOCKS5 proxy at " + s.addr + " rejected username/password")
-		}
-	}
-
-	buf = buf[:0]
-	buf = append(buf, proxy_socks5Version, proxy_socks5Connect, 0 /* reserved */)
-
-	if ip := net.ParseIP(host); ip != nil {
-		if ip4 := ip.To4(); ip4 != nil {
-			buf = append(buf, proxy_socks5IP4)
-			ip = ip4
-		} else {
-			buf = append(buf, proxy_socks5IP6)
-		}
-		buf = append(buf, ip...)
-	} else {
-		if len(host) > 255 {
-			return errors.New("proxy: destination host name too long: " + host)
-		}
-		buf = append(buf, proxy_socks5Domain)
-		buf = append(buf, byte(len(host)))
-		buf = append(buf, host...)
-	}
-	buf = append(buf, byte(port>>8), byte(port))
-
-	if _, err := conn.Write(buf); err != nil {
-		return errors.New("proxy: failed to write connect request to SOCKS5 proxy at " + s.addr + ": " + err.Error())
-	}
-
-	if _, err := io.ReadFull(conn, buf[:4]); err != nil {
-		return errors.New("proxy: failed to read connect reply from SOCKS5 proxy at " + s.addr + ": " + err.Error())
-	}
-
-	failure := "unknown error"
-	if int(buf[1]) < len(proxy_socks5Errors) {
-		failure = proxy_socks5Errors[buf[1]]
-	}
-
-	if len(failure) > 0 {
-		return errors.New("proxy: SOCKS5 proxy at " + s.addr + " failed to connect: " + failure)
-	}
-
-	bytesToDiscard := 0
-	switch buf[3] {
-	case proxy_socks5IP4:
-		bytesToDiscard = net.IPv4len
-	case proxy_socks5IP6:
-		bytesToDiscard = net.IPv6len
-	case proxy_socks5Domain:
-		_, err := io.ReadFull(conn, buf[:1])
-		if err != nil {
-			return errors.New("proxy: failed to read domain length from SOCKS5 proxy at " + s.addr + ": " + err.Error())
-		}
-		bytesToDiscard = int(buf[0])
-	default:
-		return errors.New("proxy: got unknown address type " + strconv.Itoa(int(buf[3])) + " from SOCKS5 proxy at " + s.addr)
-	}
-
-	if cap(buf) < bytesToDiscard {
-		buf = make([]byte, bytesToDiscard)
-	} else {
-		buf = buf[:bytesToDiscard]
-	}
-	if _, err := io.ReadFull(conn, buf); err != nil {
-		return errors.New("proxy: failed to read address from SOCKS5 proxy at " + s.addr + ": " + err.Error())
-	}
-
-	// Also need to discard the port number
-	if _, err := io.ReadFull(conn, buf[:2]); err != nil {
-		return errors.New("proxy: failed to read port from SOCKS5 proxy at " + s.addr + ": " + err.Error())
-	}
-
-	return nil
-}

vendor/github.com/jessevdk/go-flags/.travis.yml

@@ -1,39 +0,0 @@
-language: go
-
-os:
-  - linux
-  - osx
-
-go:
-  - 1.16.x
-
-install:
-  # go-flags
-  - go build -v ./...
-
-  # linting
-  - go get -v golang.org/x/lint/golint
-
-  # code coverage
-  - go get golang.org/x/tools/cmd/cover
-  - go get github.com/onsi/ginkgo/ginkgo
-  - go get github.com/modocache/gover
-  - if [ "$TRAVIS_SECURE_ENV_VARS" = "true" ]; then go get github.com/mattn/goveralls; fi
-
-script:
-  # go-flags
-  - $(exit $(gofmt -l . | wc -l))
-  - go test -v ./...
-
-  # linting
-  - go tool vet -all=true -v=true . || true
-  - $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/golint ./...
-
-  # code coverage
-  - $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/ginkgo -r -cover
-  - $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/gover
-  - if [ "$TRAVIS_SECURE_ENV_VARS" = "true" ]; then $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/goveralls -coverprofile=gover.coverprofile -service=travis-ci -repotoken $COVERALLS_TOKEN; fi
-
-env:
-  # coveralls.io
-  secure: "RCYbiB4P0RjQRIoUx/vG/AjP3mmYCbzOmr86DCww1Z88yNcy3hYr3Cq8rpPtYU5v0g7wTpu4adaKIcqRE9xknYGbqj3YWZiCoBP1/n4Z+9sHW3Dsd9D/GRGeHUus0laJUGARjWoCTvoEtOgTdGQDoX7mH+pUUY0FBltNYUdOiiU="

vendor/github.com/jessevdk/go-flags/README.md

@@ -1,7 +1,7 @@
 go-flags: a go library for parsing command line arguments
 =========================================================
 
-[![GoDoc](https://godoc.org/github.com/jessevdk/go-flags?status.png)](https://godoc.org/github.com/jessevdk/go-flags) [![Build Status](https://travis-ci.org/jessevdk/go-flags.svg?branch=master)](https://travis-ci.org/jessevdk/go-flags) [![Coverage Status](https://img.shields.io/coveralls/jessevdk/go-flags.svg)](https://coveralls.io/r/jessevdk/go-flags?branch=master)
+[![GoDoc](https://godoc.org/github.com/jessevdk/go-flags?status.png)](https://godoc.org/github.com/jessevdk/go-flags)
 
 This library provides similar functionality to the builtin flag library of
 go, but provides much more functionality and nicer formatting. From the
@@ -78,6 +78,9 @@ var opts struct {
 
 	// Example of a map
 	IntMap map[string]int `long:"intmap" description:"A map from string to int"`
+
+	// Example of env variable
+	Thresholds  []int     `long:"thresholds" default:"1" default:"2" env:"THRESHOLD_VALUES"  env-delim:","`
 }
 
 // Callback which will invoke callto:<argument> to call a number.

vendor/github.com/jessevdk/go-flags/command.go

@@ -30,6 +30,12 @@ type Command struct {
 	// Whether positional arguments are required
 	ArgsRequired bool
 
+	// Whether to pass all arguments after the first non option as remaining
+	// command line arguments. This is equivalent to strict POSIX processing.
+	// This is command-local version of PassAfterNonOption Parser flag. It
+	// cannot be turned off when PassAfterNonOption Parser flag is set.
+	PassAfterNonOption bool
+
 	commands            []*Command
 	hasBuiltinHelpGroup bool
 	args                []*Arg
@@ -244,6 +250,7 @@ func (c *Command) scanSubcommandHandler(parentg *Group) scanHandler {
 			longDescription := mtag.Get("long-description")
 			subcommandsOptional := mtag.Get("subcommands-optional")
 			aliases := mtag.GetMany("alias")
+			passAfterNonOption := mtag.Get("pass-after-non-option")
 
 			subc, err := c.AddCommand(subcommand, shortDescription, longDescription, ptrval.Interface())
 
@@ -261,6 +268,10 @@ func (c *Command) scanSubcommandHandler(parentg *Group) scanHandler {
 				subc.Aliases = aliases
 			}
 
+			if len(passAfterNonOption) > 0 {
+				subc.PassAfterNonOption = true
+			}
+
 			return true, nil
 		}
 

vendor/github.com/jessevdk/go-flags/convert.go

@@ -53,7 +53,7 @@ func getBase(options multiTag, base int) (int, error) {
 
 func convertMarshal(val reflect.Value) (bool, string, error) {
 	// Check first for the Marshaler interface
-	if val.Type().NumMethod() > 0 && val.CanInterface() {
+	if val.IsValid() && val.Type().NumMethod() > 0 && val.CanInterface() {
 		if marshaler, ok := val.Interface().(Marshaler); ok {
 			ret, err := marshaler.MarshalFlag()
 			return true, ret, err
@@ -68,6 +68,10 @@ func convertToString(val reflect.Value, options multiTag) (string, error) {
 		return ret, err
 	}
 
+	if !val.IsValid() {
+		return "", nil
+	}
+
 	tp := val.Type()
 
 	// Support for time.Duration
@@ -220,7 +224,7 @@ func convert(val string, retval reflect.Value, options multiTag) error {
 			retval.SetBool(b)
 		}
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		base, err := getBase(options, 10)
+		base, err := getBase(options, 0)
 
 		if err != nil {
 			return err
@@ -234,7 +238,7 @@ func convert(val string, retval reflect.Value, options multiTag) error {
 
 		retval.SetInt(parsed)
 	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
-		base, err := getBase(options, 10)
+		base, err := getBase(options, 0)
 
 		if err != nil {
 			return err
@@ -267,7 +271,12 @@ func convert(val string, retval reflect.Value, options multiTag) error {
 
 		retval.Set(reflect.Append(retval, elemval))
 	case reflect.Map:
-		parts := strings.SplitN(val, ":", 2)
+		keyValueDelimiter := options.Get("key-value-delimiter")
+		if keyValueDelimiter == "" {
+			keyValueDelimiter = ":"
+		}
+
+		parts := strings.SplitN(val, keyValueDelimiter, 2)
 
 		key := parts[0]
 		var value string

vendor/github.com/jessevdk/go-flags/flags.go

@@ -8,46 +8,45 @@ The flags package is similar in functionality to the go built-in flag package
 but provides more options and uses reflection to provide a convenient and
 succinct way of specifying command line options.
 
-
+# Supported features
-Supported features
 
 The following features are supported in go-flags:
 
-    Options with short names (-v)
+	Options with short names (-v)
-    Options with long names (--verbose)
+	Options with long names (--verbose)
-    Options with and without arguments (bool v.s. other type)
+	Options with and without arguments (bool v.s. other type)
-    Options with optional arguments and default values
+	Options with optional arguments and default values
-    Option default values from ENVIRONMENT_VARIABLES, including slice and map values
+	Option default values from ENVIRONMENT_VARIABLES, including slice and map values
-    Multiple option groups each containing a set of options
+	Multiple option groups each containing a set of options
-    Generate and print well-formatted help message
+	Generate and print well-formatted help message
-    Passing remaining command line arguments after -- (optional)
+	Passing remaining command line arguments after -- (optional)
-    Ignoring unknown command line options (optional)
+	Ignoring unknown command line options (optional)
-    Supports -I/usr/include -I=/usr/include -I /usr/include option argument specification
+	Supports -I/usr/include -I=/usr/include -I /usr/include option argument specification
-    Supports multiple short options -aux
+	Supports multiple short options -aux
-    Supports all primitive go types (string, int{8..64}, uint{8..64}, float)
+	Supports all primitive go types (string, int{8..64}, uint{8..64}, float)
-    Supports same option multiple times (can store in slice or last option counts)
+	Supports same option multiple times (can store in slice or last option counts)
-    Supports maps
+	Supports maps
-    Supports function callbacks
+	Supports function callbacks
-    Supports namespaces for (nested) option groups
+	Supports namespaces for (nested) option groups
 
 Additional features specific to Windows:
-    Options with short names (/v)
-    Options with long names (/verbose)
-    Windows-style options with arguments use a colon as the delimiter
-    Modify generated help message with Windows-style / options
-    Windows style options can be disabled at build time using the "forceposix"
-    build tag
 
+	Options with short names (/v)
+	Options with long names (/verbose)
+	Windows-style options with arguments use a colon as the delimiter
+	Modify generated help message with Windows-style / options
+	Windows style options can be disabled at build time using the "forceposix"
+	build tag
 
-Basic usage
+# Basic usage
 
 The flags package uses structs, reflection and struct field tags
 to allow users to specify command line options. This results in very simple
 and concise specification of your application options. For example:
 
-    type Options struct {
+	type Options struct {
-        Verbose []bool `short:"v" long:"verbose" description:"Show verbose debug information"`
+	    Verbose []bool `short:"v" long:"verbose" description:"Show verbose debug information"`
-    }
+	}
 
 This specifies one option with a short name -v and a long name --verbose.
 When either -v or --verbose is found on the command line, a 'true' value
@@ -60,9 +59,9 @@ whenever the option is encountered, a value is appended to the slice.
 Map options from string to primitive type are also supported. On the command
 line, you specify the value for such an option as key:value. For example
 
-    type Options struct {
+	type Options struct {
-        AuthorInfo string[string] `short:"a"`
+	    AuthorInfo string[string] `short:"a"`
-    }
+	}
 
 Then, the AuthorInfo map can be filled with something like
 -a name:Jesse -a "surname:van den Kieboom".
@@ -71,96 +70,94 @@ Finally, for full control over the conversion between command line argument
 values and options, user defined types can choose to implement the Marshaler
 and Unmarshaler interfaces.
 
-
+# Available field tags
-Available field tags
 
 The following is a list of tags for struct fields supported by go-flags:
 
-    short:            the short name of the option (single character)
+	short:            the short name of the option (single character)
-    long:             the long name of the option
+	long:             the long name of the option
-    required:         if non empty, makes the option required to appear on the command
+	required:         if non empty, makes the option required to appear on the command
-                      line. If a required option is not present, the parser will
+	                  line. If a required option is not present, the parser will
-                      return ErrRequired (optional)
+	                  return ErrRequired (optional)
-    description:      the description of the option (optional)
+	description:      the description of the option (optional)
-    long-description: the long description of the option. Currently only
+	long-description: the long description of the option. Currently only
-                      displayed in generated man pages (optional)
+	                  displayed in generated man pages (optional)
-    no-flag:          if non-empty, this field is ignored as an option (optional)
+	no-flag:          if non-empty, this field is ignored as an option (optional)
 
-    optional:       if non-empty, makes the argument of the option optional. When an
+	optional:       if non-empty, makes the argument of the option optional. When an
-                    argument is optional it can only be specified using
+	                argument is optional it can only be specified using
-                    --option=argument (optional)
+	                --option=argument (optional)
-    optional-value: the value of an optional option when the option occurs
+	optional-value: the value of an optional option when the option occurs
-                    without an argument. This tag can be specified multiple
+	                without an argument. This tag can be specified multiple
-                    times in the case of maps or slices (optional)
+	                times in the case of maps or slices (optional)
-    default:        the default value of an option. This tag can be specified
+	default:        the default value of an option. This tag can be specified
-                    multiple times in the case of slices or maps (optional)
+	                multiple times in the case of slices or maps (optional)
-    default-mask:   when specified, this value will be displayed in the help
+	default-mask:   when specified, this value will be displayed in the help
-                    instead of the actual default value. This is useful
+	                instead of the actual default value. This is useful
-                    mostly for hiding otherwise sensitive information from
+	                mostly for hiding otherwise sensitive information from
-                    showing up in the help. If default-mask takes the special
+	                showing up in the help. If default-mask takes the special
-                    value "-", then no default value will be shown at all
+	                value "-", then no default value will be shown at all
-                    (optional)
+	                (optional)
-    env:            the default value of the option is overridden from the
+	env:            the default value of the option is overridden from the
-                    specified environment variable, if one has been defined.
+	                specified environment variable, if one has been defined.
-                    (optional)
+	                (optional)
-    env-delim:      the 'env' default value from environment is split into
+	env-delim:      the 'env' default value from environment is split into
-                    multiple values with the given delimiter string, use with
+	                multiple values with the given delimiter string, use with
-                    slices and maps (optional)
+	                slices and maps (optional)
-    value-name:     the name of the argument value (to be shown in the help)
+	value-name:     the name of the argument value (to be shown in the help)
-                    (optional)
+	                (optional)
-    choice:         limits the values for an option to a set of values.
+	choice:         limits the values for an option to a set of values.
-                    Repeat this tag once for each allowable value.
+	                Repeat this tag once for each allowable value.
-                    e.g. `long:"animal" choice:"cat" choice:"dog"`
+	                e.g. `long:"animal" choice:"cat" choice:"dog"`
-    hidden:         if non-empty, the option is not visible in the help or man page.
+	hidden:         if non-empty, the option is not visible in the help or man page.
 
-    base: a base (radix) used to convert strings to integer values, the
+	base: a base (radix) used to convert strings to integer values, the
-          default base is 10 (i.e. decimal) (optional)
+	      default base is 10 (i.e. decimal) (optional)
 
-    ini-name:       the explicit ini option name (optional)
+	ini-name:       the explicit ini option name (optional)
-    no-ini:         if non-empty this field is ignored as an ini option
+	no-ini:         if non-empty this field is ignored as an ini option
-                    (optional)
+	                (optional)
 
-    group:                when specified on a struct field, makes the struct
+	group:                when specified on a struct field, makes the struct
-                          field a separate group with the given name (optional)
+	                      field a separate group with the given name (optional)
-    namespace:            when specified on a group struct field, the namespace
+	namespace:            when specified on a group struct field, the namespace
-                          gets prepended to every option's long name and
+	                      gets prepended to every option's long name and
-                          subgroup's namespace of this group, separated by
+	                      subgroup's namespace of this group, separated by
-                          the parser's namespace delimiter (optional)
+	                      the parser's namespace delimiter (optional)
-    env-namespace:        when specified on a group struct field, the env-namespace
+	env-namespace:        when specified on a group struct field, the env-namespace
-                          gets prepended to every option's env key and
+	                      gets prepended to every option's env key and
-                          subgroup's env-namespace of this group, separated by
+	                      subgroup's env-namespace of this group, separated by
-                          the parser's env-namespace delimiter (optional)
+	                      the parser's env-namespace delimiter (optional)
-    command:              when specified on a struct field, makes the struct
+	command:              when specified on a struct field, makes the struct
-                          field a (sub)command with the given name (optional)
+	                      field a (sub)command with the given name (optional)
-    subcommands-optional: when specified on a command struct field, makes
+	subcommands-optional: when specified on a command struct field, makes
-                          any subcommands of that command optional (optional)
+	                      any subcommands of that command optional (optional)
-    alias:                when specified on a command struct field, adds the
+	alias:                when specified on a command struct field, adds the
-                          specified name as an alias for the command. Can be
+	                      specified name as an alias for the command. Can be
-                          be specified multiple times to add more than one
+	                      be specified multiple times to add more than one
-                          alias (optional)
+	                      alias (optional)
-    positional-args:      when specified on a field with a struct type,
+	positional-args:      when specified on a field with a struct type,
-                          uses the fields of that struct to parse remaining
+	                      uses the fields of that struct to parse remaining
-                          positional command line arguments into (in order
+	                      positional command line arguments into (in order
-                          of the fields). If a field has a slice type,
+	                      of the fields). If a field has a slice type,
-                          then all remaining arguments will be added to it.
+	                      then all remaining arguments will be added to it.
-                          Positional arguments are optional by default,
+	                      Positional arguments are optional by default,
-                          unless the "required" tag is specified together
+	                      unless the "required" tag is specified together
-                          with the "positional-args" tag. The "required" tag
+	                      with the "positional-args" tag. The "required" tag
-                          can also be set on the individual rest argument
+	                      can also be set on the individual rest argument
-                          fields, to require only the first N positional
+	                      fields, to require only the first N positional
-                          arguments. If the "required" tag is set on the
+	                      arguments. If the "required" tag is set on the
-                          rest arguments slice, then its value determines
+	                      rest arguments slice, then its value determines
-                          the minimum amount of rest arguments that needs to
+	                      the minimum amount of rest arguments that needs to
-                          be provided (e.g. `required:"2"`) (optional)
+	                      be provided (e.g. `required:"2"`) (optional)
-    positional-arg-name:  used on a field in a positional argument struct; name
+	positional-arg-name:  used on a field in a positional argument struct; name
-                          of the positional argument placeholder to be shown in
+	                      of the positional argument placeholder to be shown in
-                          the help (optional)
+	                      the help (optional)
 
 Either the `short:` tag or the `long:` must be specified to make the field eligible as an
 option.
 
-
+# Option groups
-Option groups
 
 Option groups are a simple way to semantically separate your options. All
 options in a particular group are shown together in the help under the name
@@ -169,14 +166,12 @@ precisely and emphasize the options affiliation to their group.
 
 There are currently three ways to specify option groups.
 
-    1. Use NewNamedParser specifying the various option groups.
+ 1. Use NewNamedParser specifying the various option groups.
-    2. Use AddGroup to add a group to an existing parser.
+ 2. Use AddGroup to add a group to an existing parser.
-    3. Add a struct field to the top-level options annotated with the
+ 3. Add a struct field to the top-level options annotated with the
-       group:"group-name" tag.
+    group:"group-name" tag.
 
-
+# Commands
-
-Commands
 
 The flags package also has basic support for commands. Commands are often
 used in monolithic applications that support various commands or actions.
@@ -186,9 +181,9 @@ application.
 
 There are currently two ways to specify a command.
 
-    1. Use AddCommand on an existing parser.
+ 1. Use AddCommand on an existing parser.
-    2. Add a struct field to your options struct annotated with the
+ 2. Add a struct field to your options struct annotated with the
-       command:"command-name" tag.
+    command:"command-name" tag.
 
 The most common, idiomatic way to implement commands is to define a global
 parser instance and implement each command in a separate file. These
@@ -204,15 +199,14 @@ command has been specified on the command line, in addition to the options
 of all the parent commands. I.e. considering a -v flag on the parser and an
 add command, the following are equivalent:
 
-    ./app -v add
+	./app -v add
-    ./app add -v
+	./app add -v
 
 However, if the -v flag is defined on the add command, then the first of
 the two examples above would fail since the -v flag is not defined before
 the add command.
 
-
+# Completion
-Completion
 
 go-flags has builtin support to provide bash completion of flags, commands
 and argument values. To use completion, the binary which uses go-flags
@@ -226,7 +220,7 @@ by replacing the argument parsing routine with the completion routine which
 outputs completions for the passed arguments. The basic invocation to
 complete a set of arguments is therefore:
 
-    GO_FLAGS_COMPLETION=1 ./completion-example arg1 arg2 arg3
+	GO_FLAGS_COMPLETION=1 ./completion-example arg1 arg2 arg3
 
 where `completion-example` is the binary, `arg1` and `arg2` are
 the current arguments, and `arg3` (the last argument) is the argument
@@ -237,20 +231,20 @@ are more than 1 completion items.
 To use this with bash completion, a simple file can be written which
 calls the binary which supports go-flags completion:
 
-    _completion_example() {
+	_completion_example() {
-        # All arguments except the first one
+	    # All arguments except the first one
-        args=("${COMP_WORDS[@]:1:$COMP_CWORD}")
+	    args=("${COMP_WORDS[@]:1:$COMP_CWORD}")
 
-        # Only split on newlines
+	    # Only split on newlines
-        local IFS=$'\n'
+	    local IFS=$'\n'
 
-        # Call completion (note that the first element of COMP_WORDS is
+	    # Call completion (note that the first element of COMP_WORDS is
-        # the executable itself)
+	    # the executable itself)
-        COMPREPLY=($(GO_FLAGS_COMPLETION=1 ${COMP_WORDS[0]} "${args[@]}"))
+	    COMPREPLY=($(GO_FLAGS_COMPLETION=1 ${COMP_WORDS[0]} "${args[@]}"))
-        return 0
+	    return 0
-    }
+	}
 
-    complete -F _completion_example completion-example
+	complete -F _completion_example completion-example
 
 Completion requires the parser option PassDoubleDash and is therefore enforced if the environment variable GO_FLAGS_COMPLETION is set.
 

vendor/github.com/jessevdk/go-flags/help.go

@@ -72,15 +72,15 @@ func (p *Parser) getAlignmentInfo() alignmentInfo {
 	var prevcmd *Command
 
 	p.eachActiveGroup(func(c *Command, grp *Group) {
-		if !grp.showInHelp() {
-			return
-		}
 		if c != prevcmd {
 			for _, arg := range c.args {
 				ret.updateLen(arg.Name, c != p.Command)
 			}
+			prevcmd = c
+		}
+		if !grp.showInHelp() {
+			return
 		}
-
 		for _, info := range grp.options {
 			if !info.showInHelp() {
 				continue
@@ -334,7 +334,11 @@ func (p *Parser) WriteHelp(writer io.Writer) {
 				}
 
 				if !allcmd.ArgsRequired {
-					fmt.Fprintf(wr, "[%s]", name)
+					if arg.Required > 0 {
+						fmt.Fprintf(wr, "%s", name)
+					} else {
+						fmt.Fprintf(wr, "[%s]", name)
+					}
 				} else {
 					fmt.Fprintf(wr, "%s", name)
 				}

vendor/github.com/jessevdk/go-flags/ini.go

@@ -113,18 +113,18 @@ func (i *IniParser) ParseFile(filename string) error {
 //
 // The format of the ini file is as follows:
 //
-//     [Option group name]
+//	[Option group name]
-//     option = value
+//	option = value
 //
 // Each section in the ini file represents an option group or command in the
 // flags parser. The default flags parser option group (i.e. when using
 // flags.Parse) is named 'Application Options'. The ini option name is matched
 // in the following order:
 //
-//     1. Compared to the ini-name tag on the option struct field (if present)
+//  1. Compared to the ini-name tag on the option struct field (if present)
-//     2. Compared to the struct field name
+//  2. Compared to the struct field name
-//     3. Compared to the option long name (if present)
+//  3. Compared to the option long name (if present)
-//     4. Compared to the option short name (if present)
+//  4. Compared to the option short name (if present)
 //
 // Sections for nested groups and commands can be addressed using a dot `.'
 // namespacing notation (i.e [subcommand.Options]). Group section names are
@@ -584,7 +584,7 @@ func (i *IniParser) parse(ini *ini) error {
 			if i.ParseAsDefaults {
 				err = opt.setDefault(pval)
 			} else {
-				err = opt.set(pval)
+				err = opt.Set(pval)
 			}
 
 			if err != nil {

vendor/github.com/jessevdk/go-flags/option.go

@@ -239,7 +239,7 @@ func (option *Option) IsSetDefault() bool {
 // Set the value of an option to the specified value. An error will be returned
 // if the specified value could not be converted to the corresponding option
 // value type.
-func (option *Option) set(value *string) error {
+func (option *Option) Set(value *string) error {
 	kind := option.value.Type().Kind()
 
 	if (kind == reflect.Map || kind == reflect.Slice) && option.clearReferenceBeforeSet {
@@ -287,7 +287,7 @@ func (option *Option) setDefault(value *string) error {
 		return nil
 	}
 
-	if err := option.set(value); err != nil {
+	if err := option.Set(value); err != nil {
 		return err
 	}
 

vendor/github.com/jessevdk/go-flags/optstyle_other.go

@@ -1,3 +1,4 @@
+//go:build !windows || forceposix
 // +build !windows forceposix
 
 package flags

vendor/github.com/jessevdk/go-flags/optstyle_windows.go

@@ -1,3 +1,4 @@
+//go:build !forceposix
 // +build !forceposix
 
 package flags

vendor/github.com/jessevdk/go-flags/parser.go

@@ -113,6 +113,10 @@ const (
 	// POSIX processing.
 	PassAfterNonOption
 
+	// AllowBoolValues allows a user to assign true/false to a boolean value
+	// rather than raising an error stating it cannot have an argument.
+	AllowBoolValues
+
 	// Default is a convenient default set of options which should cover
 	// most of the uses of the flags package.
 	Default = HelpFlag | PrintErrors | PassDoubleDash
@@ -252,7 +256,7 @@ func (p *Parser) ParseArgs(args []string) ([]string, error) {
 		}
 
 		if !argumentIsOption(arg) {
-			if (p.Options&PassAfterNonOption) != None && s.lookup.commands[arg] == nil {
+			if ((p.Options&PassAfterNonOption) != None || s.command.PassAfterNonOption) && s.lookup.commands[arg] == nil {
 				// If PassAfterNonOption is set then all remaining arguments
 				// are considered positional
 				if err = s.addArgs(s.arg); err != nil {
@@ -521,11 +525,10 @@ func (p *parseState) estimateCommand() error {
 
 func (p *Parser) parseOption(s *parseState, name string, option *Option, canarg bool, argument *string) (err error) {
 	if !option.canArgument() {
-		if argument != nil {
+		if argument != nil && (p.Options&AllowBoolValues) == None {
 			return newErrorf(ErrNoArgumentForBool, "bool flag `%s' cannot have an argument", option)
 		}
-
+		err = option.Set(argument)
-		err = option.set(nil)
 	} else if argument != nil || (canarg && !s.eof()) {
 		var arg string
 
@@ -546,13 +549,13 @@ func (p *Parser) parseOption(s *parseState, name string, option *Option, canarg
 		}
 
 		if err == nil {
-			err = option.set(&arg)
+			err = option.Set(&arg)
 		}
 	} else if option.OptionalArgument {
 		option.empty()
 
 		for _, v := range option.OptionalValue {
-			err = option.set(&v)
+			err = option.Set(&v)
 
 			if err != nil {
 				break

vendor/github.com/jessevdk/go-flags/termsize.go

@@ -1,4 +1,5 @@
-// +build !windows,!plan9,!appengine,!wasm
+//go:build !windows && !plan9 && !appengine && !wasm && !aix
+// +build !windows,!plan9,!appengine,!wasm,!aix
 
 package flags
 

vendor/github.com/jessevdk/go-flags/termsize_nosysioctl.go

@@ -1,4 +1,5 @@
-// +build plan9 appengine wasm
+//go:build plan9 || appengine || wasm || aix
+// +build plan9 appengine wasm aix
 
 package flags
 

vendor/github.com/jessevdk/go-flags/termsize_windows.go

@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package flags

vendor/github.com/matttproud/golang_protobuf_extensions/LICENSE

@@ -1,201 +0,0 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
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-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
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-      Licensor for the purpose of discussing and improving the Work, but
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-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
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-      copyright license to reproduce, prepare Derivative Works of,
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-   4. Redistribution. You may reproduce and distribute copies of the
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-          stating that You changed the files; and
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-      (c) You must retain, in the Source form of any Derivative Works
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-          notices within Derivative Works that You distribute, alongside
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-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
-
-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "{}"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright {yyyy} {name of copyright owner}
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.

vendor/github.com/matttproud/golang_protobuf_extensions/NOTICE

@@ -1 +0,0 @@
-Copyright 2012 Matt T. Proud (matt.proud@gmail.com)

vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore

@@ -1 +0,0 @@
-cover.dat

vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile

@@ -1,7 +0,0 @@
-all:
-
-cover:
-	go test -cover -v -coverprofile=cover.dat ./...
-	go tool cover -func cover.dat
-
-.PHONY: cover

vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go

@@ -1,75 +0,0 @@
-// Copyright 2013 Matt T. Proud
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package pbutil
-
-import (
-	"encoding/binary"
-	"errors"
-	"io"
-
-	"github.com/golang/protobuf/proto"
-)
-
-var errInvalidVarint = errors.New("invalid varint32 encountered")
-
-// ReadDelimited decodes a message from the provided length-delimited stream,
-// where the length is encoded as 32-bit varint prefix to the message body.
-// It returns the total number of bytes read and any applicable error.  This is
-// roughly equivalent to the companion Java API's
-// MessageLite#parseDelimitedFrom.  As per the reader contract, this function
-// calls r.Read repeatedly as required until exactly one message including its
-// prefix is read and decoded (or an error has occurred).  The function never
-// reads more bytes from the stream than required.  The function never returns
-// an error if a message has been read and decoded correctly, even if the end
-// of the stream has been reached in doing so.  In that case, any subsequent
-// calls return (0, io.EOF).
-func ReadDelimited(r io.Reader, m proto.Message) (n int, err error) {
-	// Per AbstractParser#parsePartialDelimitedFrom with
-	// CodedInputStream#readRawVarint32.
-	var headerBuf [binary.MaxVarintLen32]byte
-	var bytesRead, varIntBytes int
-	var messageLength uint64
-	for varIntBytes == 0 { // i.e. no varint has been decoded yet.
-		if bytesRead >= len(headerBuf) {
-			return bytesRead, errInvalidVarint
-		}
-		// We have to read byte by byte here to avoid reading more bytes
-		// than required. Each read byte is appended to what we have
-		// read before.
-		newBytesRead, err := r.Read(headerBuf[bytesRead : bytesRead+1])
-		if newBytesRead == 0 {
-			if err != nil {
-				return bytesRead, err
-			}
-			// A Reader should not return (0, nil), but if it does,
-			// it should be treated as no-op (according to the
-			// Reader contract). So let's go on...
-			continue
-		}
-		bytesRead += newBytesRead
-		// Now present everything read so far to the varint decoder and
-		// see if a varint can be decoded already.
-		messageLength, varIntBytes = proto.DecodeVarint(headerBuf[:bytesRead])
-	}
-
-	messageBuf := make([]byte, messageLength)
-	newBytesRead, err := io.ReadFull(r, messageBuf)
-	bytesRead += newBytesRead
-	if err != nil {
-		return bytesRead, err
-	}
-
-	return bytesRead, proto.Unmarshal(messageBuf, m)
-}

vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go

@@ -1,46 +0,0 @@
-// Copyright 2013 Matt T. Proud
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package pbutil
-
-import (
-	"encoding/binary"
-	"io"
-
-	"github.com/golang/protobuf/proto"
-)
-
-// WriteDelimited encodes and dumps a message to the provided writer prefixed
-// with a 32-bit varint indicating the length of the encoded message, producing
-// a length-delimited record stream, which can be used to chain together
-// encoded messages of the same type together in a file.  It returns the total
-// number of bytes written and any applicable error.  This is roughly
-// equivalent to the companion Java API's MessageLite#writeDelimitedTo.
-func WriteDelimited(w io.Writer, m proto.Message) (n int, err error) {
-	buffer, err := proto.Marshal(m)
-	if err != nil {
-		return 0, err
-	}
-
-	var buf [binary.MaxVarintLen32]byte
-	encodedLength := binary.PutUvarint(buf[:], uint64(len(buffer)))
-
-	sync, err := w.Write(buf[:encodedLength])
-	if err != nil {
-		return sync, err
-	}
-
-	n, err = w.Write(buffer)
-	return n + sync, err
-}

vendor/github.com/prometheus/client_golang/NOTICE

@@ -16,8 +16,3 @@ Go support for Protocol Buffers - Google's data interchange format
 http://github.com/golang/protobuf/
 Copyright 2010 The Go Authors
 See source code for license details.
-
-Support for streaming Protocol Buffer messages for the Go language (golang).
-https://github.com/matttproud/golang_protobuf_extensions
-Copyright 2013 Matt T. Proud
-Licensed under the Apache License, Version 2.0

vendor/github.com/prometheus/client_golang/prometheus/counter.go

@@ -20,6 +20,7 @@ import (
 	"time"
 
 	dto "github.com/prometheus/client_model/go"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 // Counter is a Metric that represents a single numerical value that only ever
@@ -59,6 +60,18 @@ type ExemplarAdder interface {
 // CounterOpts is an alias for Opts. See there for doc comments.
 type CounterOpts Opts
 
+// CounterVecOpts bundles the options to create a CounterVec metric.
+// It is mandatory to set CounterOpts, see there for mandatory fields. VariableLabels
+// is optional and can safely be left to its default value.
+type CounterVecOpts struct {
+	CounterOpts
+
+	// VariableLabels are used to partition the metric vector by the given set
+	// of labels. Each label value will be constrained with the optional Constraint
+	// function, if provided.
+	VariableLabels ConstrainableLabels
+}
+
 // NewCounter creates a new Counter based on the provided CounterOpts.
 //
 // The returned implementation also implements ExemplarAdder. It is safe to
@@ -78,8 +91,12 @@ func NewCounter(opts CounterOpts) Counter {
 		nil,
 		opts.ConstLabels,
 	)
-	result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: time.Now}
+	if opts.now == nil {
+		opts.now = time.Now
+	}
+	result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: opts.now}
 	result.init(result) // Init self-collection.
+	result.createdTs = timestamppb.New(opts.now())
 	return result
 }
 
@@ -94,10 +111,12 @@ type counter struct {
 	selfCollector
 	desc *Desc
 
+	createdTs  *timestamppb.Timestamp
 	labelPairs []*dto.LabelPair
 	exemplar   atomic.Value // Containing nil or a *dto.Exemplar.
 
-	now func() time.Time // To mock out time.Now() for testing.
+	// now is for testing purposes, by default it's time.Now.
+	now func() time.Time
 }
 
 func (c *counter) Desc() *Desc {
@@ -147,8 +166,7 @@ func (c *counter) Write(out *dto.Metric) error {
 		exemplar = e.(*dto.Exemplar)
 	}
 	val := c.get()
-
+	return populateMetric(CounterValue, val, c.labelPairs, exemplar, out, c.createdTs)
-	return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
 }
 
 func (c *counter) updateExemplar(v float64, l Labels) {
@@ -174,19 +192,31 @@ type CounterVec struct {
 // NewCounterVec creates a new CounterVec based on the provided CounterOpts and
 // partitioned by the given label names.
 func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
-	desc := NewDesc(
+	return V2.NewCounterVec(CounterVecOpts{
+		CounterOpts:    opts,
+		VariableLabels: UnconstrainedLabels(labelNames),
+	})
+}
+
+// NewCounterVec creates a new CounterVec based on the provided CounterVecOpts.
+func (v2) NewCounterVec(opts CounterVecOpts) *CounterVec {
+	desc := V2.NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
-		labelNames,
+		opts.VariableLabels,
 		opts.ConstLabels,
 	)
+	if opts.now == nil {
+		opts.now = time.Now
+	}
 	return &CounterVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
-			if len(lvs) != len(desc.variableLabels) {
+			if len(lvs) != len(desc.variableLabels.names) {
-				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
+				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
 			}
-			result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: time.Now}
+			result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: opts.now}
 			result.init(result) // Init self-collection.
+			result.createdTs = timestamppb.New(opts.now())
 			return result
 		}),
 	}

vendor/github.com/prometheus/client_golang/prometheus/desc.go

@@ -14,20 +14,16 @@
 package prometheus
 
 import (
-	"errors"
 	"fmt"
 	"sort"
 	"strings"
 
 	"github.com/cespare/xxhash/v2"
+	dto "github.com/prometheus/client_model/go"
+	"github.com/prometheus/common/model"
+	"google.golang.org/protobuf/proto"
 
 	"github.com/prometheus/client_golang/prometheus/internal"
-
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-	"github.com/prometheus/common/model"
-
-	dto "github.com/prometheus/client_model/go"
 )
 
 // Desc is the descriptor used by every Prometheus Metric. It is essentially
@@ -54,9 +50,9 @@ type Desc struct {
 	// constLabelPairs contains precalculated DTO label pairs based on
 	// the constant labels.
 	constLabelPairs []*dto.LabelPair
-	// variableLabels contains names of labels for which the metric
+	// variableLabels contains names of labels and normalization function for
-	// maintains variable values.
+	// which the metric maintains variable values.
-	variableLabels []string
+	variableLabels *compiledLabels
 	// id is a hash of the values of the ConstLabels and fqName. This
 	// must be unique among all registered descriptors and can therefore be
 	// used as an identifier of the descriptor.
@@ -80,12 +76,27 @@ type Desc struct {
 // For constLabels, the label values are constant. Therefore, they are fully
 // specified in the Desc. See the Collector example for a usage pattern.
 func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *Desc {
+	return V2.NewDesc(fqName, help, UnconstrainedLabels(variableLabels), constLabels)
+}
+
+// NewDesc allocates and initializes a new Desc. Errors are recorded in the Desc
+// and will be reported on registration time. variableLabels and constLabels can
+// be nil if no such labels should be set. fqName must not be empty.
+//
+// variableLabels only contain the label names and normalization functions. Their
+// label values are variable and therefore not part of the Desc. (They are managed
+// within the Metric.)
+//
+// For constLabels, the label values are constant. Therefore, they are fully
+// specified in the Desc. See the Collector example for a usage pattern.
+func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, constLabels Labels) *Desc {
 	d := &Desc{
 		fqName:         fqName,
 		help:           help,
-		variableLabels: variableLabels,
+		variableLabels: variableLabels.compile(),
 	}
-	if !model.IsValidMetricName(model.LabelValue(fqName)) {
+	//nolint:staticcheck // TODO: Don't use deprecated model.NameValidationScheme.
+	if !model.NameValidationScheme.IsValidMetricName(fqName) {
 		d.err = fmt.Errorf("%q is not a valid metric name", fqName)
 		return d
 	}
@@ -93,7 +104,7 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
 	// their sorted label names) plus the fqName (at position 0).
 	labelValues := make([]string, 1, len(constLabels)+1)
 	labelValues[0] = fqName
-	labelNames := make([]string, 0, len(constLabels)+len(variableLabels))
+	labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels.names))
 	labelNameSet := map[string]struct{}{}
 	// First add only the const label names and sort them...
 	for labelName := range constLabels {
@@ -118,16 +129,16 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
 	// Now add the variable label names, but prefix them with something that
 	// cannot be in a regular label name. That prevents matching the label
 	// dimension with a different mix between preset and variable labels.
-	for _, labelName := range variableLabels {
+	for _, label := range d.variableLabels.names {
-		if !checkLabelName(labelName) {
+		if !checkLabelName(label) {
-			d.err = fmt.Errorf("%q is not a valid label name for metric %q", labelName, fqName)
+			d.err = fmt.Errorf("%q is not a valid label name for metric %q", label, fqName)
 			return d
 		}
-		labelNames = append(labelNames, "$"+labelName)
+		labelNames = append(labelNames, "$"+label)
-		labelNameSet[labelName] = struct{}{}
+		labelNameSet[label] = struct{}{}
 	}
 	if len(labelNames) != len(labelNameSet) {
-		d.err = errors.New("duplicate label names")
+		d.err = fmt.Errorf("duplicate label names in constant and variable labels for metric %q", fqName)
 		return d
 	}
 
@@ -179,11 +190,22 @@ func (d *Desc) String() string {
 			fmt.Sprintf("%s=%q", lp.GetName(), lp.GetValue()),
 		)
 	}
+	vlStrings := []string{}
+	if d.variableLabels != nil {
+		vlStrings = make([]string, 0, len(d.variableLabels.names))
+		for _, vl := range d.variableLabels.names {
+			if fn, ok := d.variableLabels.labelConstraints[vl]; ok && fn != nil {
+				vlStrings = append(vlStrings, fmt.Sprintf("c(%s)", vl))
+			} else {
+				vlStrings = append(vlStrings, vl)
+			}
+		}
+	}
 	return fmt.Sprintf(
-		"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: %v}",
+		"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: {%s}}",
 		d.fqName,
 		d.help,
 		strings.Join(lpStrings, ","),
-		d.variableLabels,
+		strings.Join(vlStrings, ","),
 	)
 }

vendor/github.com/prometheus/client_golang/prometheus/doc.go

@@ -37,35 +37,35 @@
 //
 //	type metrics struct {
 //		cpuTemp  prometheus.Gauge
-//	  hdFailures *prometheus.CounterVec
+//		hdFailures *prometheus.CounterVec
 //	}
 //
 //	func NewMetrics(reg prometheus.Registerer) *metrics {
-//	  m := &metrics{
+//		m := &metrics{
-//	    cpuTemp: prometheus.NewGauge(prometheus.GaugeOpts{
+//			cpuTemp: prometheus.NewGauge(prometheus.GaugeOpts{
-//	      Name: "cpu_temperature_celsius",
+//				Name: "cpu_temperature_celsius",
-//	      Help: "Current temperature of the CPU.",
+//				Help: "Current temperature of the CPU.",
-//	    }),
+//			}),
-//	    hdFailures: prometheus.NewCounterVec(
+//			hdFailures: prometheus.NewCounterVec(
-//	      prometheus.CounterOpts{
+//				prometheus.CounterOpts{
-//	        Name: "hd_errors_total",
+//					Name: "hd_errors_total",
-//	        Help: "Number of hard-disk errors.",
+//					Help: "Number of hard-disk errors.",
-//	      },
+//				},
-//	      []string{"device"},
+//				[]string{"device"},
-//	    ),
+//			),
-//	  }
+//		}
-//	  reg.MustRegister(m.cpuTemp)
+//		reg.MustRegister(m.cpuTemp)
-//	  reg.MustRegister(m.hdFailures)
+//		reg.MustRegister(m.hdFailures)
-//	  return m
+//		return m
 //	}
 //
 //	func main() {
-//	  // Create a non-global registry.
+//		// Create a non-global registry.
-//	  reg := prometheus.NewRegistry()
+//		reg := prometheus.NewRegistry()
 //
-//	  // Create new metrics and register them using the custom registry.
+//		// Create new metrics and register them using the custom registry.
-//	  m := NewMetrics(reg)
+//		m := NewMetrics(reg)
-//	  // Set values for the new created metrics.
+//		// Set values for the new created metrics.
 //		m.cpuTemp.Set(65.3)
 //		m.hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc()
 //

vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go

@@ -48,7 +48,7 @@ func (e *expvarCollector) Collect(ch chan<- Metric) {
 			continue
 		}
 		var v interface{}
-		labels := make([]string, len(desc.variableLabels))
+		labels := make([]string, len(desc.variableLabels.names))
 		if err := json.Unmarshal([]byte(expVar.String()), &v); err != nil {
 			ch <- NewInvalidMetric(desc, err)
 			continue

vendor/github.com/prometheus/client_golang/prometheus/gauge.go

@@ -55,6 +55,18 @@ type Gauge interface {
 // GaugeOpts is an alias for Opts. See there for doc comments.
 type GaugeOpts Opts
 
+// GaugeVecOpts bundles the options to create a GaugeVec metric.
+// It is mandatory to set GaugeOpts, see there for mandatory fields. VariableLabels
+// is optional and can safely be left to its default value.
+type GaugeVecOpts struct {
+	GaugeOpts
+
+	// VariableLabels are used to partition the metric vector by the given set
+	// of labels. Each label value will be constrained with the optional Constraint
+	// function, if provided.
+	VariableLabels ConstrainableLabels
+}
+
 // NewGauge creates a new Gauge based on the provided GaugeOpts.
 //
 // The returned implementation is optimized for a fast Set method. If you have a
@@ -123,7 +135,7 @@ func (g *gauge) Sub(val float64) {
 
 func (g *gauge) Write(out *dto.Metric) error {
 	val := math.Float64frombits(atomic.LoadUint64(&g.valBits))
-	return populateMetric(GaugeValue, val, g.labelPairs, nil, out)
+	return populateMetric(GaugeValue, val, g.labelPairs, nil, out, nil)
 }
 
 // GaugeVec is a Collector that bundles a set of Gauges that all share the same
@@ -138,16 +150,24 @@ type GaugeVec struct {
 // NewGaugeVec creates a new GaugeVec based on the provided GaugeOpts and
 // partitioned by the given label names.
 func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec {
-	desc := NewDesc(
+	return V2.NewGaugeVec(GaugeVecOpts{
+		GaugeOpts:      opts,
+		VariableLabels: UnconstrainedLabels(labelNames),
+	})
+}
+
+// NewGaugeVec creates a new GaugeVec based on the provided GaugeVecOpts.
+func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
+	desc := V2.NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
-		labelNames,
+		opts.VariableLabels,
 		opts.ConstLabels,
 	)
 	return &GaugeVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
-			if len(lvs) != len(desc.variableLabels) {
+			if len(lvs) != len(desc.variableLabels.names) {
-				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
+				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
 			}
 			result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
 			result.init(result) // Init self-collection.

vendor/github.com/prometheus/client_golang/prometheus/go_collector.go

@@ -22,13 +22,13 @@ import (
 // goRuntimeMemStats provides the metrics initially provided by runtime.ReadMemStats.
 // From Go 1.17 those similar (and better) statistics are provided by runtime/metrics, so
 // while eval closure works on runtime.MemStats, the struct from Go 1.17+ is
-// populated using runtime/metrics.
+// populated using runtime/metrics. Those are the defaults we can't alter.
 func goRuntimeMemStats() memStatsMetrics {
 	return memStatsMetrics{
 		{
 			desc: NewDesc(
 				memstatNamespace("alloc_bytes"),
-				"Number of bytes allocated and still in use.",
+				"Number of bytes allocated in heap and currently in use. Equals to /memory/classes/heap/objects:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) },
@@ -36,7 +36,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("alloc_bytes_total"),
-				"Total number of bytes allocated, even if freed.",
+				"Total number of bytes allocated in heap until now, even if released already. Equals to /gc/heap/allocs:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) },
@@ -44,23 +44,16 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("sys_bytes"),
-				"Number of bytes obtained from system.",
+				"Number of bytes obtained from system. Equals to /memory/classes/total:byte.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.Sys) },
 			valType: GaugeValue,
-		}, {
-			desc: NewDesc(
-				memstatNamespace("lookups_total"),
-				"Total number of pointer lookups.",
-				nil, nil,
-			),
-			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.Lookups) },
-			valType: CounterValue,
 		}, {
 			desc: NewDesc(
 				memstatNamespace("mallocs_total"),
-				"Total number of mallocs.",
+				// TODO(bwplotka): We could add go_memstats_heap_objects, probably useful for discovery. Let's gather more feedback, kind of a waste of bytes for everybody for compatibility reasons to keep both, and we can't really rename/remove useful metric.
+				"Total number of heap objects allocated, both live and gc-ed. Semantically a counter version for go_memstats_heap_objects gauge. Equals to /gc/heap/allocs:objects + /gc/heap/tiny/allocs:objects.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) },
@@ -68,7 +61,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("frees_total"),
-				"Total number of frees.",
+				"Total number of heap objects frees. Equals to /gc/heap/frees:objects + /gc/heap/tiny/allocs:objects.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.Frees) },
@@ -76,7 +69,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("heap_alloc_bytes"),
-				"Number of heap bytes allocated and still in use.",
+				"Number of heap bytes allocated and currently in use, same as go_memstats_alloc_bytes. Equals to /memory/classes/heap/objects:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) },
@@ -84,7 +77,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("heap_sys_bytes"),
-				"Number of heap bytes obtained from system.",
+				"Number of heap bytes obtained from system. Equals to /memory/classes/heap/objects:bytes + /memory/classes/heap/unused:bytes + /memory/classes/heap/released:bytes + /memory/classes/heap/free:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) },
@@ -92,7 +85,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("heap_idle_bytes"),
-				"Number of heap bytes waiting to be used.",
+				"Number of heap bytes waiting to be used. Equals to /memory/classes/heap/released:bytes + /memory/classes/heap/free:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) },
@@ -100,7 +93,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("heap_inuse_bytes"),
-				"Number of heap bytes that are in use.",
+				"Number of heap bytes that are in use. Equals to /memory/classes/heap/objects:bytes + /memory/classes/heap/unused:bytes",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) },
@@ -108,7 +101,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("heap_released_bytes"),
-				"Number of heap bytes released to OS.",
+				"Number of heap bytes released to OS. Equals to /memory/classes/heap/released:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) },
@@ -116,7 +109,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("heap_objects"),
-				"Number of allocated objects.",
+				"Number of currently allocated objects. Equals to /gc/heap/objects:objects.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) },
@@ -124,7 +117,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("stack_inuse_bytes"),
-				"Number of bytes in use by the stack allocator.",
+				"Number of bytes obtained from system for stack allocator in non-CGO environments. Equals to /memory/classes/heap/stacks:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) },
@@ -132,7 +125,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("stack_sys_bytes"),
-				"Number of bytes obtained from system for stack allocator.",
+				"Number of bytes obtained from system for stack allocator. Equals to /memory/classes/heap/stacks:bytes + /memory/classes/os-stacks:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) },
@@ -140,7 +133,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("mspan_inuse_bytes"),
-				"Number of bytes in use by mspan structures.",
+				"Number of bytes in use by mspan structures. Equals to /memory/classes/metadata/mspan/inuse:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) },
@@ -148,7 +141,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("mspan_sys_bytes"),
-				"Number of bytes used for mspan structures obtained from system.",
+				"Number of bytes used for mspan structures obtained from system. Equals to /memory/classes/metadata/mspan/inuse:bytes + /memory/classes/metadata/mspan/free:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) },
@@ -156,7 +149,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("mcache_inuse_bytes"),
-				"Number of bytes in use by mcache structures.",
+				"Number of bytes in use by mcache structures. Equals to /memory/classes/metadata/mcache/inuse:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) },
@@ -164,7 +157,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("mcache_sys_bytes"),
-				"Number of bytes used for mcache structures obtained from system.",
+				"Number of bytes used for mcache structures obtained from system. Equals to /memory/classes/metadata/mcache/inuse:bytes + /memory/classes/metadata/mcache/free:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) },
@@ -172,7 +165,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("buck_hash_sys_bytes"),
-				"Number of bytes used by the profiling bucket hash table.",
+				"Number of bytes used by the profiling bucket hash table. Equals to /memory/classes/profiling/buckets:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) },
@@ -180,7 +173,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("gc_sys_bytes"),
-				"Number of bytes used for garbage collection system metadata.",
+				"Number of bytes used for garbage collection system metadata. Equals to /memory/classes/metadata/other:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) },
@@ -188,7 +181,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("other_sys_bytes"),
-				"Number of bytes used for other system allocations.",
+				"Number of bytes used for other system allocations. Equals to /memory/classes/other:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) },
@@ -196,7 +189,7 @@ func goRuntimeMemStats() memStatsMetrics {
 		}, {
 			desc: NewDesc(
 				memstatNamespace("next_gc_bytes"),
-				"Number of heap bytes when next garbage collection will take place.",
+				"Number of heap bytes when next garbage collection will take place. Equals to /gc/heap/goal:bytes.",
 				nil, nil,
 			),
 			eval:    func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) },
@@ -225,7 +218,7 @@ func newBaseGoCollector() baseGoCollector {
 			nil, nil),
 		gcDesc: NewDesc(
 			"go_gc_duration_seconds",
-			"A summary of the pause duration of garbage collection cycles.",
+			"A summary of the wall-time pause (stop-the-world) duration in garbage collection cycles.",
 			nil, nil),
 		gcLastTimeDesc: NewDesc(
 			"go_memstats_last_gc_time_seconds",

vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go

@@ -17,17 +17,17 @@
 package prometheus
 
 import (
+	"fmt"
 	"math"
 	"runtime"
 	"runtime/metrics"
 	"strings"
 	"sync"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-	dto "github.com/prometheus/client_model/go"
-
 	"github.com/prometheus/client_golang/prometheus/internal"
+
+	dto "github.com/prometheus/client_model/go"
+	"google.golang.org/protobuf/proto"
 )
 
 const (
@@ -154,7 +154,8 @@ func defaultGoCollectorOptions() internal.GoCollectorOptions {
 			"/gc/heap/frees-by-size:bytes":  goGCHeapFreesBytes,
 		},
 		RuntimeMetricRules: []internal.GoCollectorRule{
-			//{Matcher: regexp.MustCompile("")},
+			// Recommended metrics we want by default from runtime/metrics.
+			{Matcher: internal.GoCollectorDefaultRuntimeMetrics},
 		},
 	}
 }
@@ -204,6 +205,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
 			// to fail here. This condition is tested in TestExpectedRuntimeMetrics.
 			continue
 		}
+		help := attachOriginalName(d.Description.Description, d.Name)
 
 		sampleBuf = append(sampleBuf, metrics.Sample{Name: d.Name})
 		sampleMap[d.Name] = &sampleBuf[len(sampleBuf)-1]
@@ -215,7 +217,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
 			m = newBatchHistogram(
 				NewDesc(
 					BuildFQName(namespace, subsystem, name),
-					d.Description.Description,
+					help,
 					nil,
 					nil,
 				),
@@ -227,7 +229,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
 				Namespace: namespace,
 				Subsystem: subsystem,
 				Name:      name,
-				Help:      d.Description.Description,
+				Help:      help,
 			},
 			)
 		} else {
@@ -235,7 +237,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
 				Namespace: namespace,
 				Subsystem: subsystem,
 				Name:      name,
-				Help:      d.Description.Description,
+				Help:      help,
 			})
 		}
 		metricSet = append(metricSet, m)
@@ -285,6 +287,10 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
 	}
 }
 
+func attachOriginalName(desc, origName string) string {
+	return fmt.Sprintf("%s Sourced from %s.", desc, origName)
+}
+
 // Describe returns all descriptions of the collector.
 func (c *goCollector) Describe(ch chan<- *Desc) {
 	c.base.Describe(ch)
@@ -377,13 +383,13 @@ func unwrapScalarRMValue(v metrics.Value) float64 {
 		//
 		// This should never happen because we always populate our metric
 		// set from the runtime/metrics package.
-		panic("unexpected unsupported metric")
+		panic("unexpected bad kind metric")
 	default:
 		// Unsupported metric kind.
 		//
 		// This should never happen because we check for this during initialization
 		// and flag and filter metrics whose kinds we don't understand.
-		panic("unexpected unsupported metric kind")
+		panic(fmt.Sprintf("unexpected unsupported metric: %v", v.Kind()))
 	}
 }