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Merge pull request #36 from diebietse/dev

Browse Source 
Update go, dependencies and CI
This commit is contained in:
Jedri Visser
2023-03-05 19:15:58 +02:00
committed by GitHub
parent 574e832152 c4a095a094
commit 9f9e25a796
566 changed files with 50469 additions and 35657 deletions
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26
.github/workflows/docker-build.yml vendored
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@@ -1,3 +1,5 @@
# Tagging based on: https://docs.docker.com/build/ci/github-actions/manage-tags-labels/
# Multi platform based on: https://docs.docker.com/build/ci/github-actions/multi-platform/
name: build name: build
on: on:
push: push:
@@ -12,15 +14,15 @@ jobs:
runs-on: ubuntu-latest runs-on: ubuntu-latest
steps: steps:
- name: Checkout - name: Checkout
uses: actions/checkout@v2 uses: actions/checkout@v3
- name: "Setup" - name: "Setup"
uses: actions/setup-go@v2 uses: actions/setup-go@v3
with: with:
go-version: '1.16' go-version: '1.20'
- name: Lint - name: Lint
uses: golangci/golangci-lint-action@v2 uses: golangci/golangci-lint-action@v3
with: with:
version: latest version: latest
@@ -28,11 +30,11 @@ jobs:
run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./... run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...
- name: Upload code coverage - name: Upload code coverage
uses: codecov/codecov-action@v1 uses: codecov/codecov-action@v3
- name: Generate docker image labels and tags - name: Generate docker image labels and tags
id: docker_meta id: docker_meta
uses: crazy-max/ghaction-docker-meta@v2 uses: docker/metadata-action@v4
with: with:
images: ghcr.io/diebietse/invertergui images: ghcr.io/diebietse/invertergui
tags: | tags: |
@@ -41,21 +43,21 @@ jobs:
type=semver,pattern={{major}}.{{minor}} type=semver,pattern={{major}}.{{minor}}
- name: Set up QEMU - name: Set up QEMU
uses: docker/setup-qemu-action@v1 uses: docker/setup-qemu-action@v2
- name: Set up Docker Buildx - name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1 uses: docker/setup-buildx-action@v2
- name: Login to GitHub Container Registry - name: Login to GitHub Container Registry
if: github.event_name != 'pull_request' if: github.event_name != 'pull_request'
uses: docker/login-action@v1 uses: docker/login-action@v2
with: with:
registry: ghcr.io registry: ghcr.io
username: ${{ github.repository_owner }} username: ${{ github.actor }}
password: ${{ secrets.CR_PAT }} password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push to GitHub Container Registry - name: Build and push to GitHub Container Registry
uses: docker/build-push-action@v2 uses: docker/build-push-action@v4
with: with:
platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6 platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6
push: ${{ github.event_name != 'pull_request' }} push: ${{ github.event_name != 'pull_request' }}

9
.golangci.yml
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@@ -4,23 +4,16 @@ run:
linters: linters:
enable-all: false enable-all: false
enable: enable:
# Enabled by default in golangci-lint v1.13.2
- deadcode
- errcheck - errcheck
- govet - govet
- ineffassign - ineffassign
- typecheck - typecheck
- varcheck
# Disabled by default in golangci-lint v1.13.2
- dupl - dupl
- goconst - goconst
- gofmt - gofmt
- golint
- unconvert - unconvert
# The following result in high memory usage (>1GB) - revive
# https://github.com/golangci/golangci-lint/issues/337
- staticcheck - staticcheck
- structcheck
- gosimple - gosimple
- unused - unused

2
Dockerfile
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@@ -1,4 +1,4 @@
FROM golang:1.16-alpine as builder FROM golang:1.20-alpine as builder
RUN mkdir /build RUN mkdir /build
COPY . /build/ COPY . /build/

2
Makefile
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@@ -47,7 +47,7 @@ docker:
lint: lint:
docker run --rm -it \ docker run --rm -it \
-w /src -v $(shell pwd):/src \ -w /src -v $(shell pwd):/src \
golangci/golangci-lint:v1.39 golangci-lint run \ golangci/golangci-lint:v1.51 golangci-lint run \
-v -c .golangci.yml -v -c .golangci.yml
clean: clean:

29
go.mod
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@@ -1,13 +1,30 @@
module github.com/diebietse/invertergui module github.com/diebietse/invertergui
go 1.20
require ( require (
github.com/eclipse/paho.mqtt.golang v1.3.3 github.com/eclipse/paho.mqtt.golang v1.4.2
github.com/gorilla/websocket v1.4.2 github.com/gorilla/websocket v1.5.0
github.com/jessevdk/go-flags v1.5.0 github.com/jessevdk/go-flags v1.5.0
github.com/prometheus/client_golang v1.10.0 github.com/prometheus/client_golang v1.14.0
github.com/sirupsen/logrus v1.8.1 github.com/sirupsen/logrus v1.9.0
github.com/stretchr/testify v1.7.0 github.com/stretchr/testify v1.8.2
github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07
) )
go 1.16 require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f // indirect
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
google.golang.org/protobuf v1.28.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

537
go.sum
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@@ -1,149 +1,148 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= 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 v0.34.0/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=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho= github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE= github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
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@@ -153,274 +152,358 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
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github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
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github.com/nats-io/jwt v0.3.0/go.mod h1:fRYCDE99xlTsqUzISS1Bi75UBJ6ljOJQOAAu5VglpSg=
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github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtbWGs=
github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
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github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74=
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go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
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golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
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golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
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golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
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golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
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golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM= google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

2
plugins/munin/munin.go
View File

@@ -127,7 +127,7 @@ func (m *Munin) run() {
} }
} }
//Munin only samples once every 5 minutes so averages have to be calculated for some values. // Munin only samples once every 5 minutes so averages have to be calculated for some values.
func calcMuninValues(m *muninData, newStatus *mk2driver.Mk2Info) { func calcMuninValues(m *muninData, newStatus *mk2driver.Mk2Info) {
m.timesUpdated++ m.timesUpdated++
m.status.OutCurrent += newStatus.OutCurrent m.status.OutCurrent += newStatus.OutCurrent

4
plugins/munin/munin_test.go
View File

@@ -1,7 +1,7 @@
package munin package munin
import ( import (
"io/ioutil" "io"
"net/http" "net/http"
"net/http/httptest" "net/http/httptest"
"testing" "testing"
@@ -21,7 +21,7 @@ func TestServer(t *testing.T) {
if err != nil { if err != nil {
log.Fatal(err) log.Fatal(err)
} }
_, err = ioutil.ReadAll(res.Body) _, err = io.ReadAll(res.Body)
res.Body.Close() res.Body.Close()
if err != nil { if err != nil {
log.Fatal(err) log.Fatal(err)

8
vendor/github.com/cespare/xxhash/v2/.travis.yml generated vendored
View File

@@ -1,8 +0,0 @@
language: go
go:
- "1.x"
- master
env:
- TAGS=""
- TAGS="-tags purego"
script: go test $TAGS -v ./...

6
vendor/github.com/cespare/xxhash/v2/README.md generated vendored
View File

@@ -1,7 +1,7 @@
# xxhash # xxhash
[![GoDoc](https://godoc.org/github.com/cespare/xxhash?status.svg)](https://godoc.org/github.com/cespare/xxhash) [![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2)
[![Build Status](https://travis-ci.org/cespare/xxhash.svg?branch=master)](https://travis-ci.org/cespare/xxhash) [![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](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a [xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
@@ -64,4 +64,6 @@ $ go test -benchtime 10s -bench '/xxhash,direct,bytes'
- [InfluxDB](https://github.com/influxdata/influxdb) - [InfluxDB](https://github.com/influxdata/influxdb)
- [Prometheus](https://github.com/prometheus/prometheus) - [Prometheus](https://github.com/prometheus/prometheus)
- [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics)
- [FreeCache](https://github.com/coocood/freecache) - [FreeCache](https://github.com/coocood/freecache)
- [FastCache](https://github.com/VictoriaMetrics/fastcache)

3
vendor/github.com/cespare/xxhash/v2/go.mod generated vendored
View File

@@ -1,3 +0,0 @@
module github.com/cespare/xxhash/v2
go 1.11

0
vendor/github.com/cespare/xxhash/v2/go.sum generated vendored
View File

1
vendor/github.com/cespare/xxhash/v2/xxhash.go generated vendored
View File

@@ -193,7 +193,6 @@ func (d *Digest) UnmarshalBinary(b []byte) error {
b, d.v4 = consumeUint64(b) b, d.v4 = consumeUint64(b)
b, d.total = consumeUint64(b) b, d.total = consumeUint64(b)
copy(d.mem[:], b) copy(d.mem[:], b)
b = b[len(d.mem):]
d.n = int(d.total % uint64(len(d.mem))) d.n = int(d.total % uint64(len(d.mem)))
return nil return nil
} }

62
vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s generated vendored
View File

@@ -6,7 +6,7 @@
// Register allocation: // Register allocation:
// AX h // AX h
// CX pointer to advance through b // SI pointer to advance through b
// DX n // DX n
// BX loop end // BX loop end
// R8 v1, k1 // R8 v1, k1
@@ -16,39 +16,39 @@
// R12 tmp // R12 tmp
// R13 prime1v // R13 prime1v
// R14 prime2v // R14 prime2v
// R15 prime4v // DI prime4v
// round reads from and advances the buffer pointer in CX. // round reads from and advances the buffer pointer in SI.
// It assumes that R13 has prime1v and R14 has prime2v. // It assumes that R13 has prime1v and R14 has prime2v.
#define round(r) \ #define round(r) \
MOVQ (CX), R12 \ MOVQ (SI), R12 \
ADDQ $8, CX \ ADDQ $8, SI \
IMULQ R14, R12 \ IMULQ R14, R12 \
ADDQ R12, r \ ADDQ R12, r \
ROLQ $31, r \ ROLQ $31, r \
IMULQ R13, r IMULQ R13, r
// mergeRound applies a merge round on the two registers acc and val. // mergeRound applies a merge round on the two registers acc and val.
// It assumes that R13 has prime1v, R14 has prime2v, and R15 has prime4v. // It assumes that R13 has prime1v, R14 has prime2v, and DI has prime4v.
#define mergeRound(acc, val) \ #define mergeRound(acc, val) \
IMULQ R14, val \ IMULQ R14, val \
ROLQ $31, val \ ROLQ $31, val \
IMULQ R13, val \ IMULQ R13, val \
XORQ val, acc \ XORQ val, acc \
IMULQ R13, acc \ IMULQ R13, acc \
ADDQ R15, acc ADDQ DI, acc
// func Sum64(b []byte) uint64 // func Sum64(b []byte) uint64
TEXT ·Sum64(SB), NOSPLIT, $0-32 TEXT ·Sum64(SB), NOSPLIT, $0-32
// Load fixed primes. // Load fixed primes.
MOVQ ·prime1v(SB), R13 MOVQ ·prime1v(SB), R13
MOVQ ·prime2v(SB), R14 MOVQ ·prime2v(SB), R14
MOVQ ·prime4v(SB), R15 MOVQ ·prime4v(SB), DI
// Load slice. // Load slice.
MOVQ b_base+0(FP), CX MOVQ b_base+0(FP), SI
MOVQ b_len+8(FP), DX MOVQ b_len+8(FP), DX
LEAQ (CX)(DX*1), BX LEAQ (SI)(DX*1), BX
// The first loop limit will be len(b)-32. // The first loop limit will be len(b)-32.
SUBQ $32, BX SUBQ $32, BX
@@ -65,14 +65,14 @@ TEXT ·Sum64(SB), NOSPLIT, $0-32
XORQ R11, R11 XORQ R11, R11
SUBQ R13, R11 SUBQ R13, R11
// Loop until CX > BX. // Loop until SI > BX.
blockLoop: blockLoop:
round(R8) round(R8)
round(R9) round(R9)
round(R10) round(R10)
round(R11) round(R11)
CMPQ CX, BX CMPQ SI, BX
JLE blockLoop JLE blockLoop
MOVQ R8, AX MOVQ R8, AX
@@ -100,16 +100,16 @@ noBlocks:
afterBlocks: afterBlocks:
ADDQ DX, AX ADDQ DX, AX
// Right now BX has len(b)-32, and we want to loop until CX > len(b)-8. // Right now BX has len(b)-32, and we want to loop until SI > len(b)-8.
ADDQ $24, BX ADDQ $24, BX
CMPQ CX, BX CMPQ SI, BX
JG fourByte JG fourByte
wordLoop: wordLoop:
// Calculate k1. // Calculate k1.
MOVQ (CX), R8 MOVQ (SI), R8
ADDQ $8, CX ADDQ $8, SI
IMULQ R14, R8 IMULQ R14, R8
ROLQ $31, R8 ROLQ $31, R8
IMULQ R13, R8 IMULQ R13, R8
@@ -117,18 +117,18 @@ wordLoop:
XORQ R8, AX XORQ R8, AX
ROLQ $27, AX ROLQ $27, AX
IMULQ R13, AX IMULQ R13, AX
ADDQ R15, AX ADDQ DI, AX
CMPQ CX, BX CMPQ SI, BX
JLE wordLoop JLE wordLoop
fourByte: fourByte:
ADDQ $4, BX ADDQ $4, BX
CMPQ CX, BX CMPQ SI, BX
JG singles JG singles
MOVL (CX), R8 MOVL (SI), R8
ADDQ $4, CX ADDQ $4, SI
IMULQ R13, R8 IMULQ R13, R8
XORQ R8, AX XORQ R8, AX
@@ -138,19 +138,19 @@ fourByte:
singles: singles:
ADDQ $4, BX ADDQ $4, BX
CMPQ CX, BX CMPQ SI, BX
JGE finalize JGE finalize
singlesLoop: singlesLoop:
MOVBQZX (CX), R12 MOVBQZX (SI), R12
ADDQ $1, CX ADDQ $1, SI
IMULQ ·prime5v(SB), R12 IMULQ ·prime5v(SB), R12
XORQ R12, AX XORQ R12, AX
ROLQ $11, AX ROLQ $11, AX
IMULQ R13, AX IMULQ R13, AX
CMPQ CX, BX CMPQ SI, BX
JL singlesLoop JL singlesLoop
finalize: finalize:
@@ -179,9 +179,9 @@ TEXT ·writeBlocks(SB), NOSPLIT, $0-40
MOVQ ·prime2v(SB), R14 MOVQ ·prime2v(SB), R14
// Load slice. // Load slice.
MOVQ b_base+8(FP), CX MOVQ b_base+8(FP), SI
MOVQ b_len+16(FP), DX MOVQ b_len+16(FP), DX
LEAQ (CX)(DX*1), BX LEAQ (SI)(DX*1), BX
SUBQ $32, BX SUBQ $32, BX
// Load vN from d. // Load vN from d.
@@ -199,7 +199,7 @@ blockLoop:
round(R10) round(R10)
round(R11) round(R11)
CMPQ CX, BX CMPQ SI, BX
JLE blockLoop JLE blockLoop
// Copy vN back to d. // Copy vN back to d.
@@ -208,8 +208,8 @@ blockLoop:
MOVQ R10, 16(AX) MOVQ R10, 16(AX)
MOVQ R11, 24(AX) MOVQ R11, 24(AX)
// The number of bytes written is CX minus the old base pointer. // The number of bytes written is SI minus the old base pointer.
SUBQ b_base+8(FP), CX SUBQ b_base+8(FP), SI
MOVQ CX, ret+32(FP) MOVQ SI, ret+32(FP)
RET RET

55
vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go generated vendored
View File

@@ -6,41 +6,52 @@
package xxhash package xxhash
import ( import (
"reflect"
"unsafe" "unsafe"
) )
// Notes:
//
// See https://groups.google.com/d/msg/golang-nuts/dcjzJy-bSpw/tcZYBzQqAQAJ
// for some discussion about these unsafe conversions.
//
// In the future it's possible that compiler optimizations will make these // In the future it's possible that compiler optimizations will make these
// unsafe operations unnecessary: https://golang.org/issue/2205. // XxxString functions unnecessary by realizing that calls such as
// Sum64([]byte(s)) don't need to copy s. See https://golang.org/issue/2205.
// If that happens, even if we keep these functions they can be replaced with
// the trivial safe code.
// NOTE: The usual way of doing an unsafe string-to-[]byte conversion is:
// //
// Both of these wrapper functions still incur function call overhead since they // var b []byte
// will not be inlined. We could write Go/asm copies of Sum64 and Digest.Write // bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
// for strings to squeeze out a bit more speed. Mid-stack inlining should // bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
// eventually fix this. // bh.Len = len(s)
// bh.Cap = len(s)
//
// Unfortunately, as of Go 1.15.3 the inliner's cost model assigns a high enough
// weight to this sequence of expressions that any function that uses it will
// not be inlined. Instead, the functions below use a different unsafe
// conversion designed to minimize the inliner weight and allow both to be
// inlined. There is also a test (TestInlining) which verifies that these are
// inlined.
//
// 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.
// It may be faster than Sum64([]byte(s)) by avoiding a copy. // It may be faster than Sum64([]byte(s)) by avoiding a copy.
func Sum64String(s string) uint64 { func Sum64String(s string) uint64 {
var b []byte b := *(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)}))
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
bh.Len = len(s)
bh.Cap = len(s)
return Sum64(b) return Sum64(b)
} }
// WriteString adds more data to d. It always returns len(s), nil. // WriteString adds more data to d. It always returns len(s), nil.
// It may be faster than Write([]byte(s)) by avoiding a copy. // It may be faster than Write([]byte(s)) by avoiding a copy.
func (d *Digest) WriteString(s string) (n int, err error) { func (d *Digest) WriteString(s string) (n int, err error) {
var b []byte d.Write(*(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)})))
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b)) // d.Write always returns len(s), nil.
bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data // Ignoring the return output and returning these fixed values buys a
bh.Len = len(s) // savings of 6 in the inliner's cost model.
bh.Cap = len(s) return len(s), nil
return d.Write(b) }
// sliceHeader is similar to reflect.SliceHeader, but it assumes that the layout
// of the first two words is the same as the layout of a string.
type sliceHeader struct {
s string
cap int
} }

15
vendor/github.com/eclipse/paho.mqtt.golang/DISTRIBUTION generated vendored
View File

@@ -1,15 +0,0 @@
Eclipse Distribution License - v 1.0
Copyright (c) 2007, Eclipse Foundation, Inc. and its licensors.
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 the Eclipse Foundation, 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.

296
vendor/github.com/eclipse/paho.mqtt.golang/LICENSE generated vendored
View File

@@ -1,20 +1,294 @@
This project is dual licensed under the Eclipse Public License 1.0 and the Eclipse Public License - v 2.0 (EPL-2.0)
Eclipse Distribution License 1.0 as described in the epl-v10 and edl-v10 files.
The EDL is copied below in order to pass the pkg.go.dev license check (https://pkg.go.dev/license-policy). 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.
For an explanation of what dual-licensing means to you, see:
https://www.eclipse.org/legal/eplfaq.php#DUALLIC
**** ****
Eclipse Distribution License - v 1.0 The epl-2.0 is copied below in order to pass the pkg.go.dev license check (https://pkg.go.dev/license-policy).
****
Eclipse Public License - v 2.0
Copyright (c) 2007, Eclipse Foundation, Inc. and its licensors. THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE
PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION
OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
All rights reserved. 1. DEFINITIONS
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: "Contribution" means:
Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. a) in the case of the initial Contributor, the initial content
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. Distributed under this Agreement, and
Neither the name of the Eclipse Foundation, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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ii) additions to the Program;
where such changes and/or additions to the Program originate from
and are Distributed by that particular Contributor. A Contribution
"originates" from a Contributor if it was added to the Program by
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Contributions do not include changes or additions to the Program that
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"Contributor" means any person or entity that Distributes the Program.
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"Secondary License" means either the GNU General Public License,
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iv) requires any subsequent distribution of the Program by any
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a) it must be made available under this Agreement, or if the
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b) a copy of this Agreement must be included with each copy of
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the Program which they Distribute, provided that Contributors may add
their own appropriate notices.
4. COMMERCIAL DISTRIBUTION
Commercial distributors of software may accept certain responsibilities
with respect to end users, business partners and the like. While this
license is intended to facilitate the commercial use of the Program,
the Contributor who includes the Program in a commercial product
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For example, a Contributor might include the Program in a commercial
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5. NO WARRANTY
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT
PERMITTED BY APPLICABLE LAW, THE PROGRAM IS PROVIDED 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. Each Recipient is solely responsible for determining the
appropriateness of using and distributing the Program and assumes all
risks associated with its exercise of rights under this Agreement,
including but not limited to the risks and costs of program errors,
compliance with applicable laws, damage to or loss of data, programs
or equipment, and unavailability or interruption of operations.
6. DISCLAIMER OF LIABILITY
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT
PERMITTED BY APPLICABLE LAW, NEITHER RECIPIENT NOR ANY CONTRIBUTORS
SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE
EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
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If any provision of this Agreement is invalid or unenforceable under
applicable law, it shall not affect the validity or enforceability of
the remainder of the terms of this Agreement, and without further
action by the parties hereto, such provision shall be reformed to the
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If Recipient institutes patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that the
Program itself (excluding combinations of the Program with other software
or hardware) infringes such Recipient's patent(s), then such Recipient's
rights granted under Section 2(b) shall terminate as of the date such
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All Recipient's rights under this Agreement shall terminate if it
fails to comply with any of the material terms or conditions of this
Agreement and does not cure such failure in a reasonable period of
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rights under this Agreement terminate, Recipient agrees to cease use
and distribution of the Program as soon as reasonably practicable.
However, Recipient's obligations under this Agreement and any licenses
granted by Recipient relating to the Program shall continue and survive.
Everyone is permitted to copy and distribute copies of this Agreement,
but in order to avoid inconsistency the Agreement is copyrighted and
may only be modified in the following manner. The Agreement Steward
reserves the right to publish new versions (including revisions) of
this Agreement from time to time. No one other than the Agreement
Steward has the right to modify this Agreement. The Eclipse Foundation
is the initial Agreement Steward. The Eclipse Foundation may assign the
responsibility to serve as the Agreement Steward to a suitable separate
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Distributed subject to the version of the Agreement under which it was
received. In addition, after a new version of the Agreement is published,
Contributor may elect to Distribute the Program (including its
Contributions) under the new version.
Except as expressly stated in Sections 2(a) and 2(b) above, Recipient
receives no rights or licenses to the intellectual property of any
Contributor under this Agreement, whether expressly, by implication,
estoppel or otherwise. All rights in the Program not expressly granted
under this Agreement are reserved. Nothing in this Agreement is intended
to be enforceable by any entity that is not a Contributor or Recipient.
No third-party beneficiary rights are created under this Agreement.
Exhibit A - Form of Secondary Licenses Notice
"This Source Code may also be made available under the following
Secondary Licenses when the conditions for such availability set forth
in the Eclipse Public License, v. 2.0 are satisfied: {name license(s),
version(s), and exceptions or additional permissions here}."
Simply including a copy of this Agreement, including this Exhibit A
is not sufficient to license the Source Code under Secondary Licenses.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to
look for such a notice.
You may add additional accurate notices of copyright ownership.

77
vendor/github.com/eclipse/paho.mqtt.golang/NOTICE.md generated vendored Normal file
View File

@@ -0,0 +1,77 @@
# Notices for paho.mqtt.golang
This content is produced and maintained by the Eclipse Paho project.
* Project home: https://www.eclipse.org/paho/
Note that a [separate mqtt v5 client](https://github.com/eclipse/paho.golang) also exists (this is a full rewrite
and deliberately incompatible with this library).
## Trademarks
Eclipse Mosquitto trademarks of the Eclipse Foundation. Eclipse, and the
Eclipse Logo are registered trademarks of the Eclipse Foundation.
Paho is a trademark of the Eclipse Foundation. Eclipse, and the Eclipse Logo are
registered trademarks of the Eclipse Foundation.
## Copyright
All content is the property of the respective authors or their employers.
For more information regarding authorship of content, please consult the
listed source code repository logs.
## Declared Project Licenses
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.
For an explanation of what dual-licensing means to you, see:
https://www.eclipse.org/legal/eplfaq.php#DUALLIC
SPDX-License-Identifier: EPL-2.0 or BSD-3-Clause
## Source Code
The project maintains the following source code repositories:
* https://github.com/eclipse/paho.mqtt.golang
## Third-party Content
This project makes use of the follow third party projects.
Go Programming Language and Standard Library
* License: BSD-style license (https://golang.org/LICENSE)
* Project: https://golang.org/
Go Networking
* License: BSD 3-Clause style license and patent grant.
* Project: https://cs.opensource.google/go/x/net
Go Sync
* License: BSD 3-Clause style license and patent grant.
* Project: https://cs.opensource.google/go/x/sync/
Gorilla Websockets v1.4.2
* License: BSD 2-Clause "Simplified" License
* Project: https://github.com/gorilla/websocket
## Cryptography
Content may contain encryption software. The country in which you are currently
may have restrictions on the import, possession, and use, and/or re-export to
another country, of encryption software. BEFORE using any encryption software,
please check the country's laws, regulations and policies concerning the import,
possession, or use, and re-export of encryption software, to see if this is
permitted.

53
vendor/github.com/eclipse/paho.mqtt.golang/README.md generated vendored
View File

@@ -111,36 +111,54 @@ identifier; this is as per the [spec](https://docs.oasis-open.org/mqtt/mqtt/v3.1
`ClientOptions.SetOrderMatters(false)` set). If you wish to perform a long-running task, or publish a message, then `ClientOptions.SetOrderMatters(false)` set). If you wish to perform a long-running task, or publish a message, then
please use a go routine (blocking in the handler is a common cause of unexpected `pingresp please use a go routine (blocking in the handler is a common cause of unexpected `pingresp
not received, disconnecting` errors). 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 * When QOS1+ subscriptions have been created previously and you connect with `CleanSession` set to false it is possible
messages before `Subscribe` can be called. To process these messages either configure a handler with `AddRoute` or that the broker will deliver retained messages before `Subscribe` can be called. To process these messages either
set a `DefaultPublishHandler`. configure a handler with `AddRoute` or set a `DefaultPublishHandler`.
* Loss of network connectivity may not be detected immediately. If this is an issue then consider setting * 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). `ClientOptions.KeepAlive` (sends regular messages to check the link is active).
* Brokers offer many configuration options; some settings may lead to unexpected results. If using Mosquitto check * Reusing a `Client` is not completely safe. After calling `Disconnect` please create a new Client (`NewClient()`) rather
`max_inflight_messages`, `max_queued_messages`, `persistence` (the defaults may not be what you expect). than attempting to reuse the existing one (note that features such as `SetAutoReconnect` mean this is rarely necessary).
* Brokers offer many configuration options; some settings may lead to unexpected results.
* Publish tokens will complete if the connection is lost and re-established using the default
options.SetAutoReconnect(true) functionality (token.Error() will return nil). Attempts will be made to re-deliver the
message but there is currently no easy way know when such messages are delivered.
If using Mosquitto then there are a range of fairly common issues:
* `listener` - By default [Mosquitto v2+](https://mosquitto.org/documentation/migrating-to-2-0/) listens on loopback
interfaces only (meaning it will only accept connections made from the computer its running on).
* `max_inflight_messages` - Unless this is set to 1 mosquitto does not guarantee ordered delivery of messages.
* `max_queued_messages` / `max_queued_bytes` - These impose limits on the number/size of queued messages. The defaults
may lead to messages being silently dropped.
* `persistence` - Defaults to false (messages will not survive a broker restart)
* `max_keepalive` - defaults to 65535 and, from version 2.0.12, `SetKeepAlive(0)` will result in a rejected connection
by default.
Reporting bugs Reporting bugs
-------------- --------------
Please report bugs by raising issues for this project in github https://github.com/eclipse/paho.mqtt.golang/issues Please report bugs by raising issues for this project in github https://github.com/eclipse/paho.mqtt.golang/issues
*A limited number of contributors monitor the issues section so if you have a general question please consider the A limited number of contributors monitor the issues section so if you have a general question please see the
resources in the [more information](#more-information) section (your question will be seen by more people, and you are resources in the [more information](#more-information) section for help.
likely to receive an answer more quickly).*
We welcome bug reports, but it is important they are actionable. A significant percentage of issues reported are not We welcome bug reports, but it is important they are actionable. A significant percentage of issues reported are not
resolved due to a lack of information. If we cannot replicate the problem then it is unlikely we will be able to fix it. resolved due to a lack of information. If we cannot replicate the problem then it is unlikely we will be able to fix it.
The information required will vary from issue to issue but consider including: The information required will vary from issue to issue but almost all bug reports would be expected to include:
* Which version of the package you are using (tag or commit - this should be in your go.mod file) * Which version of the package you are using (tag or commit - this should be in your `go.mod` file)
* A full, clear, description of the problem (detail what you are expecting vs what actually happens).
* Configuration information (code showing how you connect, please include all references to `ClientOption`)
* Broker details (name and version).
If at all possible please also include:
* Details of your attempts to resolve the issue (what have you tried, what worked, what did not).
* A [Minimal, Reproducible Example](https://stackoverflow.com/help/minimal-reproducible-example). Providing an example * A [Minimal, Reproducible Example](https://stackoverflow.com/help/minimal-reproducible-example). Providing an example
is the best way to demonstrate the issue you are facing; it is important this includes all relevant information is the best way to demonstrate the issue you are facing; it is important this includes all relevant information
(including broker configuration). Docker (see `cmd/docker`) makes it relatively simple to provide a working end-to-end (including broker configuration). Docker (see `cmd/docker`) makes it relatively simple to provide a working end-to-end
example. example.
* A full, clear, description of the problem (detail what you are expecting vs what actually happens). * Broker logs covering the period the issue occurred.
* Details of your attempts to resolve the issue (what have you tried, what worked, what did not). * [Application Logs](#logging) covering the period the issue occurred. Unless you have isolated the root cause of the
* [Application Logs](#logging) covering the period the issue occurred. Unless you have isolated the root cause of the issue please include a link to a full log (including data from well before the problem arose). issue please include a link to a full log (including data from well before the problem arose).
* Broker Logs covering the period the issue occurred.
It is important to remember that this library does not stand alone; it communicates with a broker and any issues you are It is important to remember that this library does not stand alone; it communicates with a broker and any issues you are
seeing may be due to: seeing may be due to:
@@ -167,11 +185,12 @@ note of the requirement that the commit record contain a "Signed-off-by" entry.
More information More information
---------------- ----------------
[Stack Overflow](https://stackoverflow.com/questions/tagged/mqtt+go) has a range questions/answers covering a range of
common issues (both relating to use of this library and MQTT in general). This is the best place to ask general questions
(including those relating to the use of this library).
Discussion of the Paho clients takes place on the [Eclipse paho-dev mailing list](https://dev.eclipse.org/mailman/listinfo/paho-dev). Discussion of the Paho clients takes place on the [Eclipse paho-dev mailing list](https://dev.eclipse.org/mailman/listinfo/paho-dev).
General questions about the MQTT protocol are discussed in the [MQTT Google Group](https://groups.google.com/forum/?hl=en-US&fromgroups#!forum/mqtt). 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).
[Stack Overflow](https://stackoverflow.com/questions/tagged/mqtt+go) has a range questions covering a range of common
issues (both relating to use of this library and MQTT in general).

41
vendor/github.com/eclipse/paho.mqtt.golang/about.html generated vendored
View File

@@ -1,41 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>About</title>
</head>
<body lang="EN-US">
<h2>About This Content</h2>
<p><em>December 9, 2013</em></p>
<h3>License</h3>
<p>The Eclipse Foundation makes available all content in this plug-in ("Content"). Unless otherwise
indicated below, the Content is provided to you under the terms and conditions of the
Eclipse Public License Version 1.0 ("EPL") and Eclipse Distribution License Version 1.0 ("EDL").
A copy of the EPL is available at
<a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>
and a copy of the EDL is available at
<a href="http://www.eclipse.org/org/documents/edl-v10.php">http://www.eclipse.org/org/documents/edl-v10.php</a>.
For purposes of the EPL, "Program" will mean the Content.</p>
<p>If you did not receive this Content directly from the Eclipse Foundation, the Content is
being redistributed by another party ("Redistributor") and different terms and conditions may
apply to your use of any object code in the Content. Check the Redistributor's license that was
provided with the Content. If no such license exists, contact the Redistributor. Unless otherwise
indicated below, the terms and conditions of the EPL still apply to any source code in the Content
and such source code may be obtained at <a href="http://www.eclipse.org/">http://www.eclipse.org</a>.</p>
<h3>Third Party Content</h3>
<p>The Content includes items that have been sourced from third parties as set out below. If you
did not receive this Content directly from the Eclipse Foundation, the following is provided
for informational purposes only, and you should look to the Redistributor's license for
terms and conditions of use.</p>
<p><em>
<strong>None</strong> <br><br>
<br><br>
</em></p>
</body></html>

447
vendor/github.com/eclipse/paho.mqtt.golang/client.go generated vendored
View File

@@ -1,15 +1,20 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
* Allan Stockdill-Mander * Allan Stockdill-Mander
* Mike Robertson * Mike Robertson
* Matt Brittan
*/ */
// Portions copyright © 2018 TIBCO Software Inc. // Portions copyright © 2018 TIBCO Software Inc.
@@ -19,6 +24,7 @@ package mqtt
import ( import (
"bytes" "bytes"
"context"
"errors" "errors"
"fmt" "fmt"
"net" "net"
@@ -27,14 +33,9 @@ import (
"sync/atomic" "sync/atomic"
"time" "time"
"github.com/eclipse/paho.mqtt.golang/packets" "golang.org/x/sync/semaphore"
)
const ( "github.com/eclipse/paho.mqtt.golang/packets"
disconnected uint32 = iota
connecting
reconnecting
connected
) )
// Client is the interface definition for a Client as used by this // Client is the interface definition for a Client as used by this
@@ -44,9 +45,12 @@ const (
// with an MQTT server using non-blocking methods that allow work // with an MQTT server using non-blocking methods that allow work
// to be done in the background. // to be done in the background.
// An application may connect to an MQTT server using: // An application may connect to an MQTT server using:
// A plain TCP socket //
// A secure SSL/TLS socket // A plain TCP socket (e.g. mqtt://test.mosquitto.org:1833)
// A websocket // A secure SSL/TLS socket (e.g. tls://test.mosquitto.org:8883)
// A websocket (e.g ws://test.mosquitto.org:8080 or wss://test.mosquitto.org:8081)
// Something else (using `options.CustomOpenConnectionFn`)
//
// To enable ensured message delivery at Quality of Service (QoS) levels // To enable ensured message delivery at Quality of Service (QoS) levels
// described in the MQTT spec, a message persistence mechanism must be // described in the MQTT spec, a message persistence mechanism must be
// used. This is done by providing a type which implements the Store // used. This is done by providing a type which implements the Store
@@ -120,8 +124,7 @@ type client struct {
lastReceived atomic.Value // time.Time - the last time a packet was successfully received from network lastReceived atomic.Value // time.Time - the last time a packet was successfully received from network
pingOutstanding int32 // set to 1 if a ping has been sent but response not ret received pingOutstanding int32 // set to 1 if a ping has been sent but response not ret received
status uint32 // see const definitions at top of file for possible values status connectionStatus // see constants in status.go for values
sync.RWMutex // Protects the above two variables (note: atomic writes are also used somewhat inconsistently)
messageIds // effectively a map from message id to token completor messageIds // effectively a map from message id to token completor
@@ -161,7 +164,6 @@ func NewClient(o *ClientOptions) Client {
c.options.protocolVersionExplicit = false c.options.protocolVersionExplicit = false
} }
c.persist = c.options.Store c.persist = c.options.Store
c.status = disconnected
c.messageIds = messageIds{index: make(map[uint16]tokenCompletor)} c.messageIds = messageIds{index: make(map[uint16]tokenCompletor)}
c.msgRouter = newRouter() c.msgRouter = newRouter()
c.msgRouter.setDefaultHandler(c.options.DefaultPublishHandler) c.msgRouter.setDefaultHandler(c.options.DefaultPublishHandler)
@@ -188,47 +190,27 @@ func (c *client) AddRoute(topic string, callback MessageHandler) {
// the client is connected or not. // the client is connected or not.
// connected means that the connection is up now OR it will // connected means that the connection is up now OR it will
// be established/reestablished automatically when possible // be established/reestablished automatically when possible
// Warning: The connection status may change at any time so use this with care!
func (c *client) IsConnected() bool { func (c *client) IsConnected() bool {
c.RLock() // This will need to change if additional statuses are added
defer c.RUnlock() s, r := c.status.ConnectionStatusRetry()
status := atomic.LoadUint32(&c.status)
switch { switch {
case status == connected: case s == connected:
return true return true
case c.options.AutoReconnect && status > connecting: case c.options.ConnectRetry && s == connecting:
return true
case c.options.ConnectRetry && status == connecting:
return true return true
case c.options.AutoReconnect:
return s == reconnecting || (s == disconnecting && r) // r indicates we will reconnect
default: default:
return false return false
} }
} }
// IsConnectionOpen return a bool signifying whether the client has an active // IsConnectionOpen return a bool signifying whether the client has an active
// connection to mqtt broker, i.e not in disconnected or reconnect mode // connection to mqtt broker, i.e. not in disconnected or reconnect mode
// Warning: The connection status may change at any time so use this with care!
func (c *client) IsConnectionOpen() bool { func (c *client) IsConnectionOpen() bool {
c.RLock() return c.status.ConnectionStatus() == connected
defer c.RUnlock()
status := atomic.LoadUint32(&c.status)
switch {
case status == connected:
return true
default:
return false
}
}
func (c *client) connectionStatus() uint32 {
c.RLock()
defer c.RUnlock()
status := atomic.LoadUint32(&c.status)
return status
}
func (c *client) setConnected(status uint32) {
c.Lock()
defer c.Unlock()
atomic.StoreUint32(&c.status, status)
} }
// ErrNotConnected is the error returned from function calls that are // ErrNotConnected is the error returned from function calls that are
@@ -245,25 +227,31 @@ func (c *client) Connect() Token {
t := newToken(packets.Connect).(*ConnectToken) t := newToken(packets.Connect).(*ConnectToken)
DEBUG.Println(CLI, "Connect()") DEBUG.Println(CLI, "Connect()")
if c.options.ConnectRetry && atomic.LoadUint32(&c.status) != disconnected { connectionUp, err := c.status.Connecting()
// if in any state other than disconnected and ConnectRetry is if err != nil {
// enabled then the connection will come up automatically if err == errAlreadyConnectedOrReconnecting && c.options.AutoReconnect {
// client can assume connection is up // When reconnection is active we don't consider calls tro Connect to ba an error (mainly for compatability)
WARN.Println(CLI, "Connect() called but not disconnected") WARN.Println(CLI, "Connect() called but not disconnected")
t.returnCode = packets.Accepted t.returnCode = packets.Accepted
t.flowComplete() t.flowComplete()
return t
}
ERROR.Println(CLI, err) // CONNECT should never be called unless we are disconnected
t.setError(err)
return t return t
} }
c.persist.Open() c.persist.Open()
if c.options.ConnectRetry { if c.options.ConnectRetry {
c.reserveStoredPublishIDs() // Reserve IDs to allow publish before connect complete c.reserveStoredPublishIDs() // Reserve IDs to allow publishing before connect complete
} }
c.setConnected(connecting)
go func() { go func() {
if len(c.options.Servers) == 0 { if len(c.options.Servers) == 0 {
t.setError(fmt.Errorf("no servers defined to connect to")) t.setError(fmt.Errorf("no servers defined to connect to"))
if err := connectionUp(false); err != nil {
ERROR.Println(CLI, err.Error())
}
return return
} }
@@ -274,29 +262,31 @@ func (c *client) Connect() Token {
conn, rc, t.sessionPresent, err = c.attemptConnection() conn, rc, t.sessionPresent, err = c.attemptConnection()
if err != nil { if err != nil {
if c.options.ConnectRetry { if c.options.ConnectRetry {
DEBUG.Println(CLI, "Connect failed, sleeping for", int(c.options.ConnectRetryInterval.Seconds()), "seconds and will then retry") 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) time.Sleep(c.options.ConnectRetryInterval)
if atomic.LoadUint32(&c.status) == connecting { if c.status.ConnectionStatus() == connecting { // Possible connection aborted elsewhere
goto RETRYCONN goto RETRYCONN
} }
} }
ERROR.Println(CLI, "Failed to connect to a broker") ERROR.Println(CLI, "Failed to connect to a broker")
c.setConnected(disconnected)
c.persist.Close() c.persist.Close()
t.returnCode = rc t.returnCode = rc
t.setError(err) t.setError(err)
if err := connectionUp(false); err != nil {
ERROR.Println(CLI, err.Error())
}
return return
} }
inboundFromStore := make(chan packets.ControlPacket) // there may be some inbound comms packets in the store that are awaiting processing inboundFromStore := make(chan packets.ControlPacket) // there may be some inbound comms packets in the store that are awaiting processing
if c.startCommsWorkers(conn, inboundFromStore) { if c.startCommsWorkers(conn, connectionUp, inboundFromStore) { // note that this takes care of updating the status (to connected or disconnected)
// Take care of any messages in the store // Take care of any messages in the store
if !c.options.CleanSession { if !c.options.CleanSession {
c.resume(c.options.ResumeSubs, inboundFromStore) c.resume(c.options.ResumeSubs, inboundFromStore)
} else { } else {
c.persist.Reset() c.persist.Reset()
} }
} else { } else { // Note: With the new status subsystem this should only happen if Disconnect called simultaneously with the above
WARN.Println(CLI, "Connect() called but connection established in another goroutine") WARN.Println(CLI, "Connect() called but connection established in another goroutine")
} }
@@ -308,7 +298,8 @@ func (c *client) Connect() Token {
} }
// internal function used to reconnect the client when it loses its connection // internal function used to reconnect the client when it loses its connection
func (c *client) reconnect() { // The connection status MUST be reconnecting prior to calling this function (via call to status.connectionLost)
func (c *client) reconnect(connectionUp connCompletedFn) {
DEBUG.Println(CLI, "enter reconnect") DEBUG.Println(CLI, "enter reconnect")
var ( var (
sleep = 1 * time.Second sleep = 1 * time.Second
@@ -333,23 +324,18 @@ func (c *client) reconnect() {
if sleep > c.options.MaxReconnectInterval { if sleep > c.options.MaxReconnectInterval {
sleep = c.options.MaxReconnectInterval sleep = c.options.MaxReconnectInterval
} }
// Disconnect may have been called
if atomic.LoadUint32(&c.status) == disconnected { if c.status.ConnectionStatus() != reconnecting { // Disconnect may have been called
break if err := connectionUp(false); err != nil { // Should always return an error
ERROR.Println(CLI, err.Error())
}
DEBUG.Println(CLI, "Client moved to disconnected state while reconnecting, abandoning reconnect")
return
} }
} }
// Disconnect() must have been called while we were trying to reconnect. inboundFromStore := make(chan packets.ControlPacket) // there may be some inbound comms packets in the store that are awaiting processing
if c.connectionStatus() == disconnected { if c.startCommsWorkers(conn, connectionUp, inboundFromStore) { // note that this takes care of updating the status (to connected or disconnected)
if conn != nil {
conn.Close()
}
DEBUG.Println(CLI, "Client moved to disconnected state while reconnecting, abandoning reconnect")
return
}
inboundFromStore := make(chan packets.ControlPacket) // there may be some inbound comms packets in the store that are awaiting processing
if c.startCommsWorkers(conn, inboundFromStore) {
c.resume(c.options.ResumeSubs, inboundFromStore) c.resume(c.options.ResumeSubs, inboundFromStore)
} }
close(inboundFromStore) close(inboundFromStore)
@@ -379,8 +365,23 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
cm := newConnectMsgFromOptions(&c.options, broker) cm := newConnectMsgFromOptions(&c.options, broker)
DEBUG.Println(CLI, "about to write new connect msg") DEBUG.Println(CLI, "about to write new connect msg")
CONN: CONN:
tlsCfg := c.options.TLSConfig
if c.options.OnConnectAttempt != nil {
DEBUG.Println(CLI, "using custom onConnectAttempt handler...")
tlsCfg = c.options.OnConnectAttempt(broker, c.options.TLSConfig)
}
connDeadline := time.Now().Add(c.options.ConnectTimeout) // Time by which connection must be established
dialer := c.options.Dialer
if dialer == nil { //
WARN.Println(CLI, "dialer was nil, using default")
dialer = &net.Dialer{Timeout: 30 * time.Second}
}
// Start by opening the network connection (tcp, tls, ws) etc // Start by opening the network connection (tcp, tls, ws) etc
conn, err = openConnection(broker, c.options.TLSConfig, c.options.ConnectTimeout, c.options.HTTPHeaders, c.options.WebsocketOptions) if c.options.CustomOpenConnectionFn != nil {
conn, err = c.options.CustomOpenConnectionFn(broker, c.options)
} else {
conn, err = openConnection(broker, tlsCfg, c.options.ConnectTimeout, c.options.HTTPHeaders, c.options.WebsocketOptions, dialer)
}
if err != nil { if err != nil {
ERROR.Println(CLI, err.Error()) ERROR.Println(CLI, err.Error())
WARN.Println(CLI, "failed to connect to broker, trying next") WARN.Println(CLI, "failed to connect to broker, trying next")
@@ -389,16 +390,23 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
} }
DEBUG.Println(CLI, "socket connected to broker") DEBUG.Println(CLI, "socket connected to broker")
// Now we send the perform the MQTT connection handshake // Now we perform the MQTT connection handshake ensuring that it does not exceed the timeout
if err := conn.SetDeadline(connDeadline); err != nil {
ERROR.Println(CLI, "set deadline for handshake ", err)
}
// Now we perform the MQTT connection handshake
rc, sessionPresent, err = connectMQTT(conn, cm, protocolVersion) rc, sessionPresent, err = connectMQTT(conn, cm, protocolVersion)
if rc == packets.Accepted { if rc == packets.Accepted {
if err := conn.SetDeadline(time.Time{}); err != nil {
ERROR.Println(CLI, "reset deadline following handshake ", err)
}
break // successfully connected break // successfully connected
} }
// We may be have to attempt the connection with MQTT 3.1 // We may have to attempt the connection with MQTT 3.1
if conn != nil { _ = conn.Close()
conn.Close()
}
if !c.options.protocolVersionExplicit && protocolVersion == 4 { // try falling back to 3.1? if !c.options.protocolVersionExplicit && protocolVersion == 4 { // try falling back to 3.1?
DEBUG.Println(CLI, "Trying reconnect using MQTT 3.1 protocol") DEBUG.Println(CLI, "Trying reconnect using MQTT 3.1 protocol")
protocolVersion = 3 protocolVersion = 3
@@ -426,37 +434,63 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
// Disconnect will end the connection with the server, but not before waiting // Disconnect will end the connection with the server, but not before waiting
// the specified number of milliseconds to wait for existing work to be // the specified number of milliseconds to wait for existing work to be
// completed. // completed.
// WARNING: `Disconnect` may return before all activities (goroutines) have completed. This means that
// reusing the `client` may lead to panics. If you want to reconnect when the connection drops then use
// `SetAutoReconnect` and/or `SetConnectRetry`options instead of implementing this yourself.
func (c *client) Disconnect(quiesce uint) { func (c *client) Disconnect(quiesce uint) {
status := atomic.LoadUint32(&c.status) done := make(chan struct{}) // Simplest way to ensure quiesce is always honoured
if status == connected { go func() {
defer close(done)
disDone, err := c.status.Disconnecting()
if err != nil {
// Status has been set to disconnecting, but we had to wait for something else to complete
WARN.Println(CLI, err.Error())
return
}
defer func() {
c.disconnect() // Force disconnection
disDone() // Update status
}()
DEBUG.Println(CLI, "disconnecting") DEBUG.Println(CLI, "disconnecting")
c.setConnected(disconnected)
dm := packets.NewControlPacket(packets.Disconnect).(*packets.DisconnectPacket) dm := packets.NewControlPacket(packets.Disconnect).(*packets.DisconnectPacket)
dt := newToken(packets.Disconnect) dt := newToken(packets.Disconnect)
c.oboundP <- &PacketAndToken{p: dm, t: dt} select {
case c.oboundP <- &PacketAndToken{p: dm, t: dt}:
// wait for work to finish, or quiesce time consumed
DEBUG.Println(CLI, "calling WaitTimeout")
dt.WaitTimeout(time.Duration(quiesce) * time.Millisecond)
DEBUG.Println(CLI, "WaitTimeout done")
// Below code causes a potential data race. Following status refactor it should no longer be required
// but leaving in as need to check code further.
// case <-c.commsStopped:
// WARN.Println("Disconnect packet could not be sent because comms stopped")
case <-time.After(time.Duration(quiesce) * time.Millisecond):
WARN.Println("Disconnect packet not sent due to timeout")
}
}()
// wait for work to finish, or quiesce time consumed // Return when done or after timeout expires (would like to change but this maintains compatibility)
DEBUG.Println(CLI, "calling WaitTimeout") delay := time.NewTimer(time.Duration(quiesce) * time.Millisecond)
dt.WaitTimeout(time.Duration(quiesce) * time.Millisecond) select {
DEBUG.Println(CLI, "WaitTimeout done") case <-done:
} else { if !delay.Stop() {
WARN.Println(CLI, "Disconnect() called but not connected (disconnected/reconnecting)") <-delay.C
c.setConnected(disconnected) }
case <-delay.C:
} }
c.disconnect()
} }
// forceDisconnect will end the connection with the mqtt broker immediately (used for tests only) // forceDisconnect will end the connection with the mqtt broker immediately (used for tests only)
func (c *client) forceDisconnect() { func (c *client) forceDisconnect() {
if !c.IsConnected() { disDone, err := c.status.Disconnecting()
WARN.Println(CLI, "already disconnected") if err != nil {
// Possible that we are not actually connected
WARN.Println(CLI, err.Error())
return return
} }
c.setConnected(disconnected)
DEBUG.Println(CLI, "forcefully disconnecting") DEBUG.Println(CLI, "forcefully disconnecting")
c.disconnect() c.disconnect()
disDone()
} }
// disconnect cleans up after a final disconnection (user requested so no auto reconnection) // disconnect cleans up after a final disconnection (user requested so no auto reconnection)
@@ -473,47 +507,79 @@ func (c *client) disconnect() {
// internalConnLost cleanup when connection is lost or an error occurs // internalConnLost cleanup when connection is lost or an error occurs
// Note: This function will not block // Note: This function will not block
func (c *client) internalConnLost(err error) { func (c *client) internalConnLost(whyConnLost error) {
// It is possible that internalConnLost will be called multiple times simultaneously // It is possible that internalConnLost will be called multiple times simultaneously
// (including after sending a DisconnectPacket) as such we only do cleanup etc if the // (including after sending a DisconnectPacket) as such we only do cleanup etc if the
// routines were actually running and are not being disconnected at users request // routines were actually running and are not being disconnected at users request
DEBUG.Println(CLI, "internalConnLost called") DEBUG.Println(CLI, "internalConnLost called")
stopDone := c.stopCommsWorkers() disDone, err := c.status.ConnectionLost(c.options.AutoReconnect && c.status.ConnectionStatus() > connecting)
if stopDone != nil { // stopDone will be nil if workers already in the process of stopping or stopped if err != nil {
go func() { if err == errConnLossWhileDisconnecting || err == errAlreadyHandlingConnectionLoss {
DEBUG.Println(CLI, "internalConnLost waiting on workers") return // Loss of connection is expected or already being handled
<-stopDone }
DEBUG.Println(CLI, "internalConnLost workers stopped") ERROR.Println(CLI, fmt.Sprintf("internalConnLost unexpected status: %s", err.Error()))
// It is possible that Disconnect was called which led to this error so reconnection depends upon status return
reconnect := c.options.AutoReconnect && c.connectionStatus() > connecting
if c.options.CleanSession && !reconnect {
c.messageIds.cleanUp()
}
if reconnect {
c.setConnected(reconnecting)
go c.reconnect()
} else {
c.setConnected(disconnected)
}
if c.options.OnConnectionLost != nil {
go c.options.OnConnectionLost(c, err)
}
DEBUG.Println(CLI, "internalConnLost complete")
}()
} }
// c.stopCommsWorker returns a channel that is closed when the operation completes. This was required prior
// to the implementation of proper status management but has been left in place, for now, to minimise change
stopDone := c.stopCommsWorkers()
// stopDone was required in previous versions because there was no connectionLost status (and there were
// issues with status handling). This code has been left in place for the time being just in case the new
// status handling contains bugs (refactoring required at some point).
if stopDone == nil { // stopDone will be nil if workers already in the process of stopping or stopped
ERROR.Println(CLI, "internalConnLost stopDone unexpectedly nil - BUG BUG")
// Cannot really do anything other than leave things disconnected
if _, err = disDone(false); err != nil { // Safest option - cannot leave status as connectionLost
ERROR.Println(CLI, fmt.Sprintf("internalConnLost failed to set status to disconnected (stopDone): %s", err.Error()))
}
return
}
// It may take a while for the disconnection to complete whatever called us needs to exit cleanly so finnish in goRoutine
go func() {
DEBUG.Println(CLI, "internalConnLost waiting on workers")
<-stopDone
DEBUG.Println(CLI, "internalConnLost workers stopped")
reConnDone, err := disDone(true)
if err != nil {
ERROR.Println(CLI, "failure whilst reporting completion of disconnect", err)
} else if reConnDone == nil { // Should never happen
ERROR.Println(CLI, "BUG BUG BUG reconnection function is nil", err)
}
reconnect := err == nil && reConnDone != nil
if c.options.CleanSession && !reconnect {
c.messageIds.cleanUp() // completes PUB/SUB/UNSUB tokens
} else if !c.options.ResumeSubs {
c.messageIds.cleanUpSubscribe() // completes SUB/UNSUB tokens
}
if reconnect {
go c.reconnect(reConnDone) // Will set connection status to reconnecting
}
if c.options.OnConnectionLost != nil {
go c.options.OnConnectionLost(c, whyConnLost)
}
DEBUG.Println(CLI, "internalConnLost complete")
}()
} }
// startCommsWorkers is called when the connection is up. It starts off all of the routines needed to process incoming and // startCommsWorkers is called when the connection is up.
// outgoing messages. // It starts off the routines needed to process incoming and outgoing messages.
// Returns true if the comms workers were started (i.e. they were not already running) // Returns true if the comms workers were started (i.e. successful connection)
func (c *client) startCommsWorkers(conn net.Conn, inboundFromStore <-chan packets.ControlPacket) bool { // connectionUp(true) will be called once everything is up; connectionUp(false) will be called on failure
func (c *client) startCommsWorkers(conn net.Conn, connectionUp connCompletedFn, inboundFromStore <-chan packets.ControlPacket) bool {
DEBUG.Println(CLI, "startCommsWorkers called") DEBUG.Println(CLI, "startCommsWorkers called")
c.connMu.Lock() c.connMu.Lock()
defer c.connMu.Unlock() defer c.connMu.Unlock()
if c.conn != nil { if c.conn != nil { // Should never happen due to new status handling; leaving in for safety for the time being
WARN.Println(CLI, "startCommsWorkers called when commsworkers already running") WARN.Println(CLI, "startCommsWorkers called when commsworkers already running BUG BUG")
conn.Close() // No use for the new network connection _ = conn.Close() // No use for the new network connection
if err := connectionUp(false); err != nil {
ERROR.Println(CLI, err.Error())
}
return false return false
} }
c.conn = conn // Store the connection c.conn = conn // Store the connection
@@ -533,7 +599,17 @@ func (c *client) startCommsWorkers(conn net.Conn, inboundFromStore <-chan packet
c.workers.Add(1) // Done will be called when ackOut is closed c.workers.Add(1) // Done will be called when ackOut is closed
ackOut := c.msgRouter.matchAndDispatch(incomingPubChan, c.options.Order, c) ackOut := c.msgRouter.matchAndDispatch(incomingPubChan, c.options.Order, c)
c.setConnected(connected) // The connection is now ready for use (we spin up a few go routines below). It is possible that
// Disconnect has been called in the interim...
if err := connectionUp(true); err != nil {
DEBUG.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") DEBUG.Println(CLI, "client is connected/reconnected")
if c.options.OnConnect != nil { if c.options.OnConnect != nil {
go c.options.OnConnect(c) go c.options.OnConnect(c)
@@ -592,7 +668,22 @@ func (c *client) startCommsWorkers(conn net.Conn, inboundFromStore <-chan packet
commsIncomingPub = nil commsIncomingPub = nil
continue continue
} }
incomingPubChan <- pub // Care is needed here because an error elsewhere could trigger a deadlock
sendPubLoop:
for {
select {
case incomingPubChan <- pub:
break sendPubLoop
case err, ok := <-commsErrors:
if !ok { // commsErrors has been closed so we can ignore it
commsErrors = nil
continue
}
ERROR.Println(CLI, "Connect comms goroutine - error triggered during send Pub", err)
c.internalConnLost(err) // no harm in calling this if the connection is already down (or shutdown is in progress)
continue
}
}
case err, ok := <-commsErrors: case err, ok := <-commsErrors:
if !ok { if !ok {
commsErrors = nil commsErrors = nil
@@ -611,8 +702,9 @@ func (c *client) startCommsWorkers(conn net.Conn, inboundFromStore <-chan packet
} }
// stopWorkersAndComms - Cleanly shuts down worker go routines (including the comms routines) and waits until everything has stopped // stopWorkersAndComms - Cleanly shuts down worker go routines (including the comms routines) and waits until everything has stopped
// Returns nil it workers did not need to be stopped; otherwise returns a channel which will be closed when the stop is complete // Returns nil if workers did not need to be stopped; otherwise returns a channel which will be closed when the stop is complete
// Note: This may block so run as a go routine if calling from any of the comms routines // Note: This may block so run as a go routine if calling from any of the comms routines
// Note2: It should be possible to simplify this now that the new status management code is in place.
func (c *client) stopCommsWorkers() chan struct{} { func (c *client) stopCommsWorkers() chan struct{} {
DEBUG.Println(CLI, "stopCommsWorkers called") DEBUG.Println(CLI, "stopCommsWorkers called")
// It is possible that this function will be called multiple times simultaneously due to the way things get shutdown // It is possible that this function will be called multiple times simultaneously due to the way things get shutdown
@@ -661,7 +753,8 @@ func (c *client) Publish(topic string, qos byte, retained bool, payload interfac
case !c.IsConnected(): case !c.IsConnected():
token.setError(ErrNotConnected) token.setError(ErrNotConnected)
return token return token
case c.connectionStatus() == reconnecting && qos == 0: case c.status.ConnectionStatus() == reconnecting && qos == 0:
// message written to store and will be sent when connection comes up
token.flowComplete() token.flowComplete()
return token return token
} }
@@ -691,11 +784,13 @@ func (c *client) Publish(topic string, qos byte, retained bool, payload interfac
token.messageID = mID token.messageID = mID
} }
persistOutbound(c.persist, pub) persistOutbound(c.persist, pub)
switch c.connectionStatus() { switch c.status.ConnectionStatus() {
case connecting: case connecting:
DEBUG.Println(CLI, "storing publish message (connecting), topic:", topic) DEBUG.Println(CLI, "storing publish message (connecting), topic:", topic)
case reconnecting: case reconnecting:
DEBUG.Println(CLI, "storing publish message (reconnecting), topic:", topic) DEBUG.Println(CLI, "storing publish message (reconnecting), topic:", topic)
case disconnecting:
DEBUG.Println(CLI, "storing publish message (disconnecting), topic:", topic)
default: default:
DEBUG.Println(CLI, "sending publish message, topic:", topic) DEBUG.Println(CLI, "sending publish message, topic:", topic)
publishWaitTimeout := c.options.WriteTimeout publishWaitTimeout := c.options.WriteTimeout
@@ -728,11 +823,11 @@ func (c *client) Subscribe(topic string, qos byte, callback MessageHandler) Toke
if !c.IsConnectionOpen() { if !c.IsConnectionOpen() {
switch { switch {
case !c.options.ResumeSubs: case !c.options.ResumeSubs:
// if not connected and resumesubs not set this sub will be thrown away // if not connected and resumeSubs not set this sub will be thrown away
token.setError(fmt.Errorf("not currently connected and ResumeSubs not set")) token.setError(fmt.Errorf("not currently connected and ResumeSubs not set"))
return token return token
case c.options.CleanSession && c.connectionStatus() == reconnecting: case c.options.CleanSession && c.status.ConnectionStatus() == reconnecting:
// if reconnecting and cleansession is true this sub will be thrown away // if reconnecting and cleanSession is true this sub will be thrown away
token.setError(fmt.Errorf("reconnecting state and cleansession is true")) token.setError(fmt.Errorf("reconnecting state and cleansession is true"))
return token return token
} }
@@ -770,12 +865,16 @@ func (c *client) Subscribe(topic string, qos byte, callback MessageHandler) Toke
} }
DEBUG.Println(CLI, sub.String()) DEBUG.Println(CLI, sub.String())
persistOutbound(c.persist, sub) if c.options.ResumeSubs { // Only persist if we need this to resume subs after a disconnection
switch c.connectionStatus() { persistOutbound(c.persist, sub)
}
switch c.status.ConnectionStatus() {
case connecting: case connecting:
DEBUG.Println(CLI, "storing subscribe message (connecting), topic:", topic) DEBUG.Println(CLI, "storing subscribe message (connecting), topic:", topic)
case reconnecting: case reconnecting:
DEBUG.Println(CLI, "storing subscribe message (reconnecting), topic:", topic) DEBUG.Println(CLI, "storing subscribe message (reconnecting), topic:", topic)
case disconnecting:
DEBUG.Println(CLI, "storing subscribe message (disconnecting), topic:", topic)
default: default:
DEBUG.Println(CLI, "sending subscribe message, topic:", topic) DEBUG.Println(CLI, "sending subscribe message, topic:", topic)
subscribeWaitTimeout := c.options.WriteTimeout subscribeWaitTimeout := c.options.WriteTimeout
@@ -813,8 +912,8 @@ func (c *client) SubscribeMultiple(filters map[string]byte, callback MessageHand
// if not connected and resumesubs not set this sub will be thrown away // if not connected and resumesubs not set this sub will be thrown away
token.setError(fmt.Errorf("not currently connected and ResumeSubs not set")) token.setError(fmt.Errorf("not currently connected and ResumeSubs not set"))
return token return token
case c.options.CleanSession && c.connectionStatus() == reconnecting: case c.options.CleanSession && c.status.ConnectionStatus() == reconnecting:
// if reconnecting and cleansession is true this sub will be thrown away // if reconnecting and cleanSession is true this sub will be thrown away
token.setError(fmt.Errorf("reconnecting state and cleansession is true")) token.setError(fmt.Errorf("reconnecting state and cleansession is true"))
return token return token
} }
@@ -842,12 +941,16 @@ func (c *client) SubscribeMultiple(filters map[string]byte, callback MessageHand
sub.MessageID = mID sub.MessageID = mID
token.messageID = mID token.messageID = mID
} }
persistOutbound(c.persist, sub) if c.options.ResumeSubs { // Only persist if we need this to resume subs after a disconnection
switch c.connectionStatus() { persistOutbound(c.persist, sub)
}
switch c.status.ConnectionStatus() {
case connecting: case connecting:
DEBUG.Println(CLI, "storing subscribe message (connecting), topics:", sub.Topics) DEBUG.Println(CLI, "storing subscribe message (connecting), topics:", sub.Topics)
case reconnecting: case reconnecting:
DEBUG.Println(CLI, "storing subscribe message (reconnecting), topics:", sub.Topics) DEBUG.Println(CLI, "storing subscribe message (reconnecting), topics:", sub.Topics)
case disconnecting:
DEBUG.Println(CLI, "storing subscribe message (disconnecting), topics:", sub.Topics)
default: default:
DEBUG.Println(CLI, "sending subscribe message, topics:", sub.Topics) DEBUG.Println(CLI, "sending subscribe message, topics:", sub.Topics)
subscribeWaitTimeout := c.options.WriteTimeout subscribeWaitTimeout := c.options.WriteTimeout
@@ -889,10 +992,42 @@ func (c *client) reserveStoredPublishIDs() {
// Load all stored messages and resend them // Load all stored messages and resend them
// Call this to ensure QOS > 1,2 even after an application crash // Call this to ensure QOS > 1,2 even after an application crash
// Note: This function will exit if c.stop is closed (this allows the shutdown to proceed avoiding a potential deadlock) // Note: This function will exit if c.stop is closed (this allows the shutdown to proceed avoiding a potential deadlock)
// // other than that it does not return until all messages in the store have been sent (connect() does not complete its
// token before this completes)
func (c *client) resume(subscription bool, ibound chan packets.ControlPacket) { func (c *client) resume(subscription bool, ibound chan packets.ControlPacket) {
DEBUG.Println(STR, "enter Resume") DEBUG.Println(STR, "enter Resume")
// Prior to sending a message getSemaphore will be called and once sent releaseSemaphore will be called
// with the token (so semaphore can be released when ACK received if applicable).
// Using a weighted semaphore rather than channels because this retains ordering
getSemaphore := func() {} // Default = do nothing
releaseSemaphore := func(_ *PublishToken) {} // Default = do nothing
var sem *semaphore.Weighted
if c.options.MaxResumePubInFlight > 0 {
sem = semaphore.NewWeighted(int64(c.options.MaxResumePubInFlight))
ctx, cancel := context.WithCancel(context.Background()) // Context needed for semaphore
defer cancel() // ensure context gets cancelled
go func() {
select {
case <-c.stop: // Request to stop (due to comm error etc)
cancel()
case <-ctx.Done(): // resume completed normally
}
}()
getSemaphore = func() { sem.Acquire(ctx, 1) }
releaseSemaphore = func(token *PublishToken) { // Note: If token never completes then resume() may stall (will still exit on ctx.Done())
go func() {
select {
case <-token.Done():
case <-ctx.Done():
}
sem.Release(1)
}()
}
}
storedKeys := c.persist.All() storedKeys := c.persist.All()
for _, key := range storedKeys { for _, key := range storedKeys {
packet := c.persist.Get(key) packet := c.persist.Get(key)
@@ -956,14 +1091,16 @@ func (c *client) resume(subscription bool, ibound chan packets.ControlPacket) {
c.claimID(token, details.MessageID) c.claimID(token, details.MessageID)
DEBUG.Println(STR, fmt.Sprintf("loaded pending publish (%d)", details.MessageID)) DEBUG.Println(STR, fmt.Sprintf("loaded pending publish (%d)", details.MessageID))
DEBUG.Println(STR, details) DEBUG.Println(STR, details)
getSemaphore()
select { select {
case c.obound <- &PacketAndToken{p: p, t: token}: case c.obound <- &PacketAndToken{p: p, t: token}:
case <-c.stop: case <-c.stop:
DEBUG.Println(STR, "resume exiting due to stop") DEBUG.Println(STR, "resume exiting due to stop")
return return
} }
releaseSemaphore(token) // If limiting simultaneous messages then we need to know when message is acknowledged
default: default:
ERROR.Println(STR, "invalid message type in store (discarded)") ERROR.Println(STR, fmt.Sprintf("invalid message type (inbound - %T) in store (discarded)", packet))
c.persist.Del(key) c.persist.Del(key)
} }
} else { } else {
@@ -977,7 +1114,7 @@ func (c *client) resume(subscription bool, ibound chan packets.ControlPacket) {
return return
} }
default: default:
ERROR.Println(STR, "invalid message type in store (discarded)") ERROR.Println(STR, fmt.Sprintf("invalid message type (%T) in store (discarded)", packet))
c.persist.Del(key) c.persist.Del(key)
} }
} }
@@ -998,11 +1135,11 @@ func (c *client) Unsubscribe(topics ...string) Token {
if !c.IsConnectionOpen() { if !c.IsConnectionOpen() {
switch { switch {
case !c.options.ResumeSubs: case !c.options.ResumeSubs:
// if not connected and resumesubs not set this unsub will be thrown away // if not connected and resumeSubs not set this unsub will be thrown away
token.setError(fmt.Errorf("not currently connected and ResumeSubs not set")) token.setError(fmt.Errorf("not currently connected and ResumeSubs not set"))
return token return token
case c.options.CleanSession && c.connectionStatus() == reconnecting: case c.options.CleanSession && c.status.ConnectionStatus() == reconnecting:
// if reconnecting and cleansession is true this unsub will be thrown away // if reconnecting and cleanSession is true this unsub will be thrown away
token.setError(fmt.Errorf("reconnecting state and cleansession is true")) token.setError(fmt.Errorf("reconnecting state and cleansession is true"))
return token return token
} }
@@ -1021,13 +1158,17 @@ func (c *client) Unsubscribe(topics ...string) Token {
token.messageID = mID token.messageID = mID
} }
persistOutbound(c.persist, unsub) if c.options.ResumeSubs { // Only persist if we need this to resume subs after a disconnection
persistOutbound(c.persist, unsub)
}
switch c.connectionStatus() { switch c.status.ConnectionStatus() {
case connecting: case connecting:
DEBUG.Println(CLI, "storing unsubscribe message (connecting), topics:", topics) DEBUG.Println(CLI, "storing unsubscribe message (connecting), topics:", topics)
case reconnecting: case reconnecting:
DEBUG.Println(CLI, "storing unsubscribe message (reconnecting), topics:", topics) DEBUG.Println(CLI, "storing unsubscribe message (reconnecting), topics:", topics)
case disconnecting:
DEBUG.Println(CLI, "storing unsubscribe message (reconnecting), topics:", topics)
default: default:
DEBUG.Println(CLI, "sending unsubscribe message, topics:", topics) DEBUG.Println(CLI, "sending unsubscribe message, topics:", topics)
subscribeWaitTimeout := c.options.WriteTimeout subscribeWaitTimeout := c.options.WriteTimeout

12
vendor/github.com/eclipse/paho.mqtt.golang/components.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

70
vendor/github.com/eclipse/paho.mqtt.golang/epl-v10 generated vendored
View File

@@ -1,70 +0,0 @@
Eclipse Public License - v 1.0
THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
1. DEFINITIONS
"Contribution" means:
a) in the case of the initial Contributor, the initial code and documentation distributed under this Agreement, and
b) in the case of each subsequent Contributor:
i) changes to the Program, and
ii) additions to the Program;
where such changes and/or additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or anyone acting on such Contributor's behalf. Contributions do not include additions to the Program which: (i) are separate modules of software distributed in conjunction with the Program under their own license agreement, and (ii) are not derivative works of the Program.
"Contributor" means any person or entity that distributes the Program.
"Licensed Patents" mean patent claims licensable by a Contributor which are necessarily infringed by the use or sale of its Contribution alone or when combined with the Program.
"Program" means the Contributions distributed in accordance with this Agreement.
"Recipient" means anyone who receives the Program under this Agreement, including all Contributors.
2. GRANT OF RIGHTS
a) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, distribute and sublicense the Contribution of such Contributor, if any, and such derivative works, in source code and object code form.
b) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free patent license under Licensed Patents to make, use, sell, offer to sell, import and otherwise transfer the Contribution of such Contributor, if any, in source code and object code form. This patent license shall apply to the combination of the Contribution and the Program if, at the time the Contribution is added by the Contributor, such addition of the Contribution causes such combination to be covered by the Licensed Patents. The patent license shall not apply to any other combinations which include the Contribution. No hardware per se is licensed hereunder.
c) Recipient understands that although each Contributor grants the licenses to its Contributions set forth herein, no assurances are provided by any Contributor that the Program does not infringe the patent or other intellectual property rights of any other entity. Each Contributor disclaims any liability to Recipient for claims brought by any other entity based on infringement of intellectual property rights or otherwise. As a condition to exercising the rights and licenses granted hereunder, each Recipient hereby assumes sole responsibility to secure any other intellectual property rights needed, if any. For example, if a third party patent license is required to allow Recipient to distribute the Program, it is Recipient's responsibility to acquire that license before distributing the Program.
d) Each Contributor represents that to its knowledge it has sufficient copyright rights in its Contribution, if any, to grant the copyright license set forth in this Agreement.
3. REQUIREMENTS
A Contributor may choose to distribute the Program in object code form under its own license agreement, provided that:
a) it complies with the terms and conditions of this Agreement; and
b) its license agreement:
i) effectively disclaims on behalf of all Contributors all warranties and conditions, express and implied, including warranties or conditions of title and non-infringement, and implied warranties or conditions of merchantability and fitness for a particular purpose;
ii) effectively excludes on behalf of all Contributors all liability for damages, including direct, indirect, special, incidental and consequential damages, such as lost profits;
iii) states that any provisions which differ from this Agreement are offered by that Contributor alone and not by any other party; and
iv) states that source code for the Program is available from such Contributor, and informs licensees how to obtain it in a reasonable manner on or through a medium customarily used for software exchange.
When the Program is made available in source code form:
a) it must be made available under this Agreement; and
b) a copy of this Agreement must be included with each copy of the Program.
Contributors may not remove or alter any copyright notices contained within the Program.
Each Contributor must identify itself as the originator of its Contribution, if any, in a manner that reasonably allows subsequent Recipients to identify the originator of the Contribution.
4. COMMERCIAL DISTRIBUTION
Commercial distributors of software may accept certain responsibilities with respect to end users, business partners and the like. While this license is intended to facilitate the commercial use of the Program, the Contributor who includes the Program in a commercial product offering should do so in a manner which does not create potential liability for other Contributors. Therefore, if a Contributor includes the Program in a commercial product offering, such Contributor ("Commercial Contributor") hereby agrees to defend and indemnify every other Contributor ("Indemnified Contributor") against any losses, damages and costs (collectively "Losses") arising from claims, lawsuits and other legal actions brought by a third party against the Indemnified Contributor to the extent caused by the acts or omissions of such Commercial Contributor in connection with its distribution of the Program in a commercial product offering. The obligations in this section do not apply to any claims or Losses relating to any actual or alleged intellectual property infringement. In order to qualify, an Indemnified Contributor must: a) promptly notify the Commercial Contributor in writing of such claim, and b) allow the Commercial Contributor to control, and cooperate with the Commercial Contributor in, the defense and any related settlement negotiations. The Indemnified Contributor may participate in any such claim at its own expense.
For example, a Contributor might include the Program in a commercial product offering, Product X. That Contributor is then a Commercial Contributor. If that Commercial Contributor then makes performance claims, or offers warranties related to Product X, those performance claims and warranties are such Commercial Contributor's responsibility alone. Under this section, the Commercial Contributor would have to defend claims against the other Contributors related to those performance claims and warranties, and if a court requires any other Contributor to pay any damages as a result, the Commercial Contributor must pay those damages.
5. NO WARRANTY
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED 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. Each Recipient is solely responsible for determining the appropriateness of using and distributing the Program and assumes all risks associated with its exercise of rights under this Agreement , including but not limited to the risks and costs of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment, and unavailability or interruption of operations.
6. DISCLAIMER OF LIABILITY
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
7. GENERAL
If any provision of this Agreement is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this Agreement, and without further action by the parties hereto, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.
If Recipient institutes patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Program itself (excluding combinations of the Program with other software or hardware) infringes such Recipient's patent(s), then such Recipient's rights granted under Section 2(b) shall terminate as of the date such litigation is filed.
All Recipient's rights under this Agreement shall terminate if it fails to comply with any of the material terms or conditions of this Agreement and does not cure such failure in a reasonable period of time after becoming aware of such noncompliance. If all Recipient's rights under this Agreement terminate, Recipient agrees to cease use and distribution of the Program as soon as reasonably practicable. However, Recipient's obligations under this Agreement and any licenses granted by Recipient relating to the Program shall continue and survive.
Everyone is permitted to copy and distribute copies of this Agreement, but in order to avoid inconsistency the Agreement is copyrighted and may only be modified in the following manner. The Agreement Steward reserves the right to publish new versions (including revisions) of this Agreement from time to time. No one other than the Agreement Steward has the right to modify this Agreement. The Eclipse Foundation is the initial Agreement Steward. The Eclipse Foundation may assign the responsibility to serve as the Agreement Steward to a suitable separate entity. Each new version of the Agreement will be given a distinguishing version number. The Program (including Contributions) may always be distributed subject to the version of the Agreement under which it was received. In addition, after a new version of the Agreement is published, Contributor may elect to distribute the Program (including its Contributions) under the new version. Except as expressly stated in Sections 2(a) and 2(b) above, Recipient receives no rights or licenses to the intellectual property of any Contributor under this Agreement, whether expressly, by implication, estoppel or otherwise. All rights in the Program not expressly granted under this Agreement are reserved.
This Agreement is governed by the laws of the State of New York and the intellectual property laws of the United States of America. No party to this Agreement will bring a legal action under this Agreement more than one year after the cause of action arose. Each party waives its rights to a jury trial in any resulting litigation.

277
vendor/github.com/eclipse/paho.mqtt.golang/epl-v20 generated vendored Normal file
View File

@@ -0,0 +1,277 @@
Eclipse Public License - v 2.0
THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE
PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION
OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
1. DEFINITIONS
"Contribution" means:
a) in the case of the initial Contributor, the initial content
Distributed under this Agreement, and
b) in the case of each subsequent Contributor:
i) changes to the Program, and
ii) additions to the Program;
where such changes and/or additions to the Program originate from
and are Distributed by that particular Contributor. A Contribution
"originates" from a Contributor if it was added to the Program by
such Contributor itself or anyone acting on such Contributor's behalf.
Contributions do not include changes or additions to the Program that
are not Modified Works.
"Contributor" means any person or entity that Distributes the Program.
"Licensed Patents" mean patent claims licensable by a Contributor which
are necessarily infringed by the use or sale of its Contribution alone
or when combined with the Program.
"Program" means the Contributions Distributed in accordance with this
Agreement.
"Recipient" means anyone who receives the Program under this Agreement
or any Secondary License (as applicable), including Contributors.
"Derivative Works" shall mean any work, whether in Source Code or other
form, that is based on (or derived from) the Program and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship.
"Modified Works" shall mean any work in Source Code or other form that
results from an addition to, deletion from, or modification of the
contents of the Program, including, for purposes of clarity any new file
in Source Code form that contains any contents of the Program. Modified
Works shall not include works that contain only declarations,
interfaces, types, classes, structures, or files of the Program solely
in each case in order to link to, bind by name, or subclass the Program
or Modified Works thereof.
"Distribute" means the acts of a) distributing or b) making available
in any manner that enables the transfer of a copy.
"Source Code" means the form of a Program preferred for making
modifications, including but not limited to software source code,
documentation source, and configuration files.
"Secondary License" means either the GNU General Public License,
Version 2.0, or any later versions of that license, including any
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Contributor.
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(if permitted under the terms of Section 3).
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3.1 If a Contributor Distributes the Program in any form, then:
a) the Program must also be made available as Source Code, in
accordance with section 3.2, and the Contributor must accompany
the Program with a statement that the Source Code for the Program
is available under this Agreement, and informs Recipients how to
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ii) effectively excludes on behalf of all other Contributors all
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iii) does not attempt to limit or alter the recipients' rights
in the Source Code under section 3.2; and
iv) requires any subsequent distribution of the Program by any
party to be under a license that satisfies the requirements
of this section 3.
3.2 When the Program is Distributed as Source Code:
a) it must be made available under this Agreement, or if the
Program (i) is combined with other material in a separate file or
files made available under a Secondary License, and (ii) the initial
Contributor attached to the Source Code the notice described in
Exhibit A of this Agreement, then the Program may be made available
under the terms of such Secondary Licenses, and
b) a copy of this Agreement must be included with each copy of
the Program.
3.3 Contributors may not remove or alter any copyright, patent,
trademark, attribution notices, disclaimers of warranty, or limitations
of liability ("notices") contained within the Program from any copy of
the Program which they Distribute, provided that Contributors may add
their own appropriate notices.
4. COMMERCIAL DISTRIBUTION
Commercial distributors of software may accept certain responsibilities
with respect to end users, business partners and the like. While this
license is intended to facilitate the commercial use of the Program,
the Contributor who includes the Program in a commercial product
offering should do so in a manner which does not create potential
liability for other Contributors. Therefore, if a Contributor includes
the Program in a commercial product offering, such Contributor
("Commercial Contributor") hereby agrees to defend and indemnify every
other Contributor ("Indemnified Contributor") against any losses,
damages and costs (collectively "Losses") arising from claims, lawsuits
and other legal actions brought by a third party against the Indemnified
Contributor to the extent caused by the acts or omissions of such
Commercial Contributor in connection with its distribution of the Program
in a commercial product offering. The obligations in this section do not
apply to any claims or Losses relating to any actual or alleged
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Contributor must: a) promptly notify the Commercial Contributor in
writing of such claim, and b) allow the Commercial Contributor to control,
and cooperate with the Commercial Contributor in, the defense and any
related settlement negotiations. The Indemnified Contributor may
participate in any such claim at its own expense.
For example, a Contributor might include the Program in a commercial
product offering, Product X. That Contributor is then a Commercial
Contributor. If that Commercial Contributor then makes performance
claims, or offers warranties related to Product X, those performance
claims and warranties are such Commercial Contributor's responsibility
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defend claims against the other Contributors related to those performance
claims and warranties, and if a court requires any other Contributor to
pay any damages as a result, the Commercial Contributor must pay
those damages.
5. NO WARRANTY
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT
PERMITTED BY APPLICABLE LAW, THE PROGRAM IS PROVIDED 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. Each Recipient is solely responsible for determining the
appropriateness of using and distributing the Program and assumes all
risks associated with its exercise of rights under this Agreement,
including but not limited to the risks and costs of program errors,
compliance with applicable laws, damage to or loss of data, programs
or equipment, and unavailability or interruption of operations.
6. DISCLAIMER OF LIABILITY
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT
PERMITTED BY APPLICABLE LAW, NEITHER RECIPIENT NOR ANY CONTRIBUTORS
SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST
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ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE
EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
7. GENERAL
If any provision of this Agreement is invalid or unenforceable under
applicable law, it shall not affect the validity or enforceability of
the remainder of the terms of this Agreement, and without further
action by the parties hereto, such provision shall be reformed to the
minimum extent necessary to make such provision valid and enforceable.
If Recipient institutes patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that the
Program itself (excluding combinations of the Program with other software
or hardware) infringes such Recipient's patent(s), then such Recipient's
rights granted under Section 2(b) shall terminate as of the date such
litigation is filed.
All Recipient's rights under this Agreement shall terminate if it
fails to comply with any of the material terms or conditions of this
Agreement and does not cure such failure in a reasonable period of
time after becoming aware of such noncompliance. If all Recipient's
rights under this Agreement terminate, Recipient agrees to cease use
and distribution of the Program as soon as reasonably practicable.
However, Recipient's obligations under this Agreement and any licenses
granted by Recipient relating to the Program shall continue and survive.
Everyone is permitted to copy and distribute copies of this Agreement,
but in order to avoid inconsistency the Agreement is copyrighted and
may only be modified in the following manner. The Agreement Steward
reserves the right to publish new versions (including revisions) of
this Agreement from time to time. No one other than the Agreement
Steward has the right to modify this Agreement. The Eclipse Foundation
is the initial Agreement Steward. The Eclipse Foundation may assign the
responsibility to serve as the Agreement Steward to a suitable separate
entity. Each new version of the Agreement will be given a distinguishing
version number. The Program (including Contributions) may always be
Distributed subject to the version of the Agreement under which it was
received. In addition, after a new version of the Agreement is published,
Contributor may elect to Distribute the Program (including its
Contributions) under the new version.
Except as expressly stated in Sections 2(a) and 2(b) above, Recipient
receives no rights or licenses to the intellectual property of any
Contributor under this Agreement, whether expressly, by implication,
estoppel or otherwise. All rights in the Program not expressly granted
under this Agreement are reserved. Nothing in this Agreement is intended
to be enforceable by any entity that is not a Contributor or Recipient.
No third-party beneficiary rights are created under this Agreement.
Exhibit A - Form of Secondary Licenses Notice
"This Source Code may also be made available under the following
Secondary Licenses when the conditions for such availability set forth
in the Eclipse Public License, v. 2.0 are satisfied: {name license(s),
version(s), and exceptions or additional permissions here}."
Simply including a copy of this Agreement, including this Exhibit A
is not sufficient to license the Source Code under Secondary Licenses.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to
look for such a notice.
You may add additional accurate notices of copyright ownership.

14
vendor/github.com/eclipse/paho.mqtt.golang/filestore.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
@@ -168,7 +172,7 @@ func (store *FileStore) all() []string {
for _, f := range files { for _, f := range files {
DEBUG.Println(STR, "file in All():", f.Name()) DEBUG.Println(STR, "file in All():", f.Name())
name := f.Name() name := f.Name()
if name[len(name)-4:] != msgExt { if len(name) < len(msgExt) || name[len(name)-len(msgExt):] != msgExt {
DEBUG.Println(STR, "skipping file, doesn't have right extension: ", name) DEBUG.Println(STR, "skipping file, doesn't have right extension: ", name)
continue continue
} }

8
vendor/github.com/eclipse/paho.mqtt.golang/go.mod generated vendored
View File

@@ -1,8 +0,0 @@
module github.com/eclipse/paho.mqtt.golang
go 1.14
require (
github.com/gorilla/websocket v1.4.2
golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0
)

8
vendor/github.com/eclipse/paho.mqtt.golang/go.sum generated vendored
View File

@@ -1,8 +0,0 @@
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0 h1:Jcxah/M+oLZ/R4/z5RzfPzGbPXnVDPkEDtf2JnuxN+U=
golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

12
vendor/github.com/eclipse/paho.mqtt.golang/memstore.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

166
vendor/github.com/eclipse/paho.mqtt.golang/memstore_ordered.go generated vendored Normal file
View File

@@ -0,0 +1,166 @@
/*
* 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:
* Seth Hoenig
* Allan Stockdill-Mander
* Mike Robertson
* Matt Brittan
*/
package mqtt
import (
"sort"
"sync"
"time"
"github.com/eclipse/paho.mqtt.golang/packets"
)
// OrderedMemoryStore uses a map internally so the order in which All() returns packets is
// undefined. OrderedMemoryStore resolves this by storing the time the message is added
// and sorting based upon this.
// storedMessage encapsulates a message and the time it was initially stored
type storedMessage struct {
ts time.Time
msg packets.ControlPacket
}
// OrderedMemoryStore implements the store interface to provide a "persistence"
// mechanism wholly stored in memory. This is only useful for
// as long as the client instance exists.
type OrderedMemoryStore struct {
sync.RWMutex
messages map[string]storedMessage
opened bool
}
// NewOrderedMemoryStore returns a pointer to a new instance of
// OrderedMemoryStore, the instance is not initialized and ready to
// use until Open() has been called on it.
func NewOrderedMemoryStore() *OrderedMemoryStore {
store := &OrderedMemoryStore{
messages: make(map[string]storedMessage),
opened: false,
}
return store
}
// Open initializes a OrderedMemoryStore instance.
func (store *OrderedMemoryStore) Open() {
store.Lock()
defer store.Unlock()
store.opened = true
DEBUG.Println(STR, "OrderedMemoryStore initialized")
}
// Put takes a key and a pointer to a Message and stores the
// message.
func (store *OrderedMemoryStore) Put(key string, message packets.ControlPacket) {
store.Lock()
defer store.Unlock()
if !store.opened {
ERROR.Println(STR, "Trying to use memory store, but not open")
return
}
store.messages[key] = storedMessage{ts: time.Now(), msg: message}
}
// Get takes a key and looks in the store for a matching Message
// returning either the Message pointer or nil.
func (store *OrderedMemoryStore) Get(key string) packets.ControlPacket {
store.RLock()
defer store.RUnlock()
if !store.opened {
ERROR.Println(STR, "Trying to use memory store, but not open")
return nil
}
mid := mIDFromKey(key)
m, ok := store.messages[key]
if !ok || m.msg == nil {
CRITICAL.Println(STR, "OrderedMemoryStore get: message", mid, "not found")
} else {
DEBUG.Println(STR, "OrderedMemoryStore get: message", mid, "found")
}
return m.msg
}
// All returns a slice of strings containing all the keys currently
// in the OrderedMemoryStore.
func (store *OrderedMemoryStore) All() []string {
store.RLock()
defer store.RUnlock()
if !store.opened {
ERROR.Println(STR, "Trying to use memory store, but not open")
return nil
}
type tsAndKey struct {
ts time.Time
key string
}
tsKeys := make([]tsAndKey, 0, len(store.messages))
for k, v := range store.messages {
tsKeys = append(tsKeys, tsAndKey{ts: v.ts, key: k})
}
sort.Slice(tsKeys, func(a int, b int) bool { return tsKeys[a].ts.Before(tsKeys[b].ts) })
keys := make([]string, len(tsKeys))
for i := range tsKeys {
keys[i] = tsKeys[i].key
}
return keys
}
// Del takes a key, searches the OrderedMemoryStore and if the key is found
// deletes the Message pointer associated with it.
func (store *OrderedMemoryStore) Del(key string) {
store.Lock()
defer store.Unlock()
if !store.opened {
ERROR.Println(STR, "Trying to use memory store, but not open")
return
}
mid := mIDFromKey(key)
_, ok := store.messages[key]
if !ok {
WARN.Println(STR, "OrderedMemoryStore del: message", mid, "not found")
} else {
delete(store.messages, key)
DEBUG.Println(STR, "OrderedMemoryStore del: message", mid, "was deleted")
}
}
// Close will disallow modifications to the state of the store.
func (store *OrderedMemoryStore) Close() {
store.Lock()
defer store.Unlock()
if !store.opened {
ERROR.Println(STR, "Trying to close memory store, but not open")
return
}
store.opened = false
DEBUG.Println(STR, "OrderedMemoryStore closed")
}
// Reset eliminates all persisted message data in the store.
func (store *OrderedMemoryStore) Reset() {
store.Lock()
defer store.Unlock()
if !store.opened {
ERROR.Println(STR, "Trying to reset memory store, but not open")
}
store.messages = make(map[string]storedMessage)
WARN.Println(STR, "OrderedMemoryStore wiped")
}

12
vendor/github.com/eclipse/paho.mqtt.golang/message.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

56
vendor/github.com/eclipse/paho.mqtt.golang/messageids.go generated vendored
View File

@@ -1,15 +1,20 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2013 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
* Allan Stockdill-Mander * Allan Stockdill-Mander
* Mike Robertson * Mike Robertson
* Matt Brittan
*/ */
package mqtt package mqtt
@@ -26,7 +31,7 @@ import (
type MId uint16 type MId uint16
type messageIds struct { type messageIds struct {
sync.RWMutex mu sync.RWMutex // Named to prevent Mu from being accessible directly via client
index map[uint16]tokenCompletor index map[uint16]tokenCompletor
lastIssuedID uint16 // The most recently issued ID. Used so we cycle through ids rather than immediately reusing them (can make debugging easier) lastIssuedID uint16 // The most recently issued ID. Used so we cycle through ids rather than immediately reusing them (can make debugging easier)
@@ -37,8 +42,9 @@ const (
midMax uint16 = 65535 midMax uint16 = 65535
) )
// cleanup clears the message ID map; completes all token types and sets error on PUB, SUB and UNSUB tokens.
func (mids *messageIds) cleanUp() { func (mids *messageIds) cleanUp() {
mids.Lock() mids.mu.Lock()
for _, token := range mids.index { for _, token := range mids.index {
switch token.(type) { switch token.(type) {
case *PublishToken: case *PublishToken:
@@ -47,25 +53,43 @@ func (mids *messageIds) cleanUp() {
token.setError(fmt.Errorf("connection lost before Subscribe completed")) token.setError(fmt.Errorf("connection lost before Subscribe completed"))
case *UnsubscribeToken: case *UnsubscribeToken:
token.setError(fmt.Errorf("connection lost before Unsubscribe completed")) token.setError(fmt.Errorf("connection lost before Unsubscribe completed"))
case nil: case nil: // should not be any nil entries
continue continue
} }
token.flowComplete() token.flowComplete()
} }
mids.index = make(map[uint16]tokenCompletor) mids.index = make(map[uint16]tokenCompletor)
mids.Unlock() mids.mu.Unlock()
DEBUG.Println(MID, "cleaned up") DEBUG.Println(MID, "cleaned up")
} }
// cleanUpSubscribe removes all SUBSCRIBE and UNSUBSCRIBE tokens (setting error)
// This may be called when the connection is lost, and we will not be resending SUB/UNSUB packets
func (mids *messageIds) cleanUpSubscribe() {
mids.mu.Lock()
for mid, token := range mids.index {
switch token.(type) {
case *SubscribeToken:
token.setError(fmt.Errorf("connection lost before Subscribe completed"))
delete(mids.index, mid)
case *UnsubscribeToken:
token.setError(fmt.Errorf("connection lost before Unsubscribe completed"))
delete(mids.index, mid)
}
}
mids.mu.Unlock()
DEBUG.Println(MID, "cleaned up subs")
}
func (mids *messageIds) freeID(id uint16) { func (mids *messageIds) freeID(id uint16) {
mids.Lock() mids.mu.Lock()
delete(mids.index, id) delete(mids.index, id)
mids.Unlock() mids.mu.Unlock()
} }
func (mids *messageIds) claimID(token tokenCompletor, id uint16) { func (mids *messageIds) claimID(token tokenCompletor, id uint16) {
mids.Lock() mids.mu.Lock()
defer mids.Unlock() defer mids.mu.Unlock()
if _, ok := mids.index[id]; !ok { if _, ok := mids.index[id]; !ok {
mids.index[id] = token mids.index[id] = token
} else { } else {
@@ -81,8 +105,8 @@ func (mids *messageIds) claimID(token tokenCompletor, id uint16) {
// getID will return an available id or 0 if none available // getID will return an available id or 0 if none available
// The id will generally be the previous id + 1 (because this makes tracing messages a bit simpler) // The id will generally be the previous id + 1 (because this makes tracing messages a bit simpler)
func (mids *messageIds) getID(t tokenCompletor) uint16 { func (mids *messageIds) getID(t tokenCompletor) uint16 {
mids.Lock() mids.mu.Lock()
defer mids.Unlock() defer mids.mu.Unlock()
i := mids.lastIssuedID // note: the only situation where lastIssuedID is 0 the map will be empty i := mids.lastIssuedID // note: the only situation where lastIssuedID is 0 the map will be empty
looped := false // uint16 will loop from 65535->0 looped := false // uint16 will loop from 65535->0
for { for {
@@ -103,8 +127,8 @@ func (mids *messageIds) getID(t tokenCompletor) uint16 {
} }
func (mids *messageIds) getToken(id uint16) tokenCompletor { func (mids *messageIds) getToken(id uint16) tokenCompletor {
mids.RLock() mids.mu.RLock()
defer mids.RUnlock() defer mids.mu.RUnlock()
if token, ok := mids.index[id]; ok { if token, ok := mids.index[id]; ok {
return token return token
} }

24
vendor/github.com/eclipse/paho.mqtt.golang/net.go generated vendored
View File

@@ -1,15 +1,20 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
* Allan Stockdill-Mander * Allan Stockdill-Mander
* Mike Robertson * Mike Robertson
* Matt Brittan
*/ */
package mqtt package mqtt
@@ -145,7 +150,7 @@ type incomingComms struct {
// startIncomingComms initiates incoming communications; this includes starting a goroutine to process incoming // startIncomingComms initiates incoming communications; this includes starting a goroutine to process incoming
// messages. // messages.
// Accepts a channel of inbound messages from the store (persisted messages); note this must be closed as soon as the // Accepts a channel of inbound messages from the store (persisted messages); note this must be closed as soon as
// everything in the store has been sent. // everything in the store has been sent.
// Returns a channel that will be passed any received packets; this will be closed on a network error (and inboundFromStore closed) // Returns a channel that will be passed any received packets; this will be closed on a network error (and inboundFromStore closed)
func startIncomingComms(conn io.Reader, func startIncomingComms(conn io.Reader,
@@ -327,7 +332,7 @@ func startOutgoingComms(conn net.Conn,
DEBUG.Println(NET, "outbound wrote disconnect, closing connection") DEBUG.Println(NET, "outbound wrote disconnect, closing connection")
// As per the MQTT spec "After sending a DISCONNECT Packet the Client MUST close the Network Connection" // As per the MQTT spec "After sending a DISCONNECT Packet the Client MUST close the Network Connection"
// Closing the connection will cause the goroutines to end in sequence (starting with incoming comms) // Closing the connection will cause the goroutines to end in sequence (starting with incoming comms)
conn.Close() _ = conn.Close()
} }
case msg, ok := <-oboundFromIncoming: // message triggered by an inbound message (PubrecPacket or PubrelPacket) case msg, ok := <-oboundFromIncoming: // message triggered by an inbound message (PubrecPacket or PubrelPacket)
if !ok { if !ok {
@@ -365,9 +370,10 @@ type commsFns interface {
// startComms initiates goroutines that handles communications over the network connection // startComms initiates goroutines that handles communications over the network connection
// Messages will be stored (via commsFns) and deleted from the store as necessary // Messages will be stored (via commsFns) and deleted from the store as necessary
// It returns two channels: // It returns two channels:
// packets.PublishPacket - Will receive publish packets received over the network. //
// Closed when incoming comms routines exit (on shutdown or if network link closed) // packets.PublishPacket - Will receive publish packets received over the network.
// error - Any errors will be sent on this channel. The channel is closed when all comms routines have shut down // Closed when incoming comms routines exit (on shutdown or if network link closed)
// error - Any errors will be sent on this channel. The channel is closed when all comms routines have shut down
// //
// Note: The comms routines monitoring oboundp and obound will not shutdown until those channels are both closed. Any messages received between the // Note: The comms routines monitoring oboundp and obound will not shutdown until those channels are both closed. Any messages received between the
// connection being closed and those channels being closed will generate errors (and nothing will be sent). That way the chance of a deadlock is // connection being closed and those channels being closed will generate errors (and nothing will be sent). That way the chance of a deadlock is

37
vendor/github.com/eclipse/paho.mqtt.golang/netconn.go generated vendored
View File

@@ -1,15 +1,20 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
* Allan Stockdill-Mander * Allan Stockdill-Mander
* Mike Robertson * Mike Robertson
* MAtt Brittan
*/ */
package mqtt package mqtt
@@ -30,8 +35,9 @@ import (
// This just establishes the network connection; once established the type of connection should be irrelevant // This just establishes the network connection; once established the type of connection should be irrelevant
// //
// openConnection opens a network connection using the protocol indicated in the URL. Does not carry out any MQTT specific handshakes // openConnection opens a network connection using the protocol indicated in the URL.
func openConnection(uri *url.URL, tlsc *tls.Config, timeout time.Duration, headers http.Header, websocketOptions *WebsocketOptions) (net.Conn, error) { // Does not carry out any MQTT specific handshakes.
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 { switch uri.Scheme {
case "ws": case "ws":
conn, err := NewWebsocket(uri.String(), nil, timeout, headers, websocketOptions) conn, err := NewWebsocket(uri.String(), nil, timeout, headers, websocketOptions)
@@ -42,7 +48,7 @@ func openConnection(uri *url.URL, tlsc *tls.Config, timeout time.Duration, heade
case "mqtt", "tcp": case "mqtt", "tcp":
allProxy := os.Getenv("all_proxy") allProxy := os.Getenv("all_proxy")
if len(allProxy) == 0 { if len(allProxy) == 0 {
conn, err := net.DialTimeout("tcp", uri.Host, timeout) conn, err := dialer.Dial("tcp", uri.Host)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@@ -56,7 +62,17 @@ func openConnection(uri *url.URL, tlsc *tls.Config, timeout time.Duration, heade
} }
return conn, nil return conn, nil
case "unix": case "unix":
conn, err := net.DialTimeout("unix", uri.Host, timeout) var conn net.Conn
var err error
// this check is preserved for compatibility with older versions
// which used uri.Host only (it works for local paths, e.g. unix://socket.sock in current dir)
if len(uri.Host) > 0 {
conn, err = dialer.Dial("unix", uri.Host)
} else {
conn, err = dialer.Dial("unix", uri.Path)
}
if err != nil { if err != nil {
return nil, err return nil, err
} }
@@ -64,14 +80,13 @@ func openConnection(uri *url.URL, tlsc *tls.Config, timeout time.Duration, heade
case "ssl", "tls", "mqtts", "mqtt+ssl", "tcps": case "ssl", "tls", "mqtts", "mqtt+ssl", "tcps":
allProxy := os.Getenv("all_proxy") allProxy := os.Getenv("all_proxy")
if len(allProxy) == 0 { if len(allProxy) == 0 {
conn, err := tls.DialWithDialer(&net.Dialer{Timeout: timeout}, "tcp", uri.Host, tlsc) conn, err := tls.DialWithDialer(dialer, "tcp", uri.Host, tlsc)
if err != nil { if err != nil {
return nil, err return nil, err
} }
return conn, nil return conn, nil
} }
proxyDialer := proxy.FromEnvironment() proxyDialer := proxy.FromEnvironment()
conn, err := proxyDialer.Dial("tcp", uri.Host) conn, err := proxyDialer.Dial("tcp", uri.Host)
if err != nil { if err != nil {
return nil, err return nil, err
@@ -81,7 +96,7 @@ func openConnection(uri *url.URL, tlsc *tls.Config, timeout time.Duration, heade
err = tlsConn.Handshake() err = tlsConn.Handshake()
if err != nil { if err != nil {
conn.Close() _ = conn.Close()
return nil, err return nil, err
} }

108
vendor/github.com/eclipse/paho.mqtt.golang/notice.html generated vendored
View File

@@ -1,108 +0,0 @@
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title>Eclipse Foundation Software User Agreement</title>
</head>
<body lang="EN-US">
<h2>Eclipse Foundation Software User Agreement</h2>
<p>February 1, 2011</p>
<h3>Usage Of Content</h3>
<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE
OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
<h3>Applicable Licenses</h3>
<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
(&quot;EPL&quot;). A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
For purposes of the EPL, &quot;Program&quot; will mean the Content.</p>
<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
repository (&quot;Repository&quot;) in software modules (&quot;Modules&quot;) and made available as downloadable archives (&quot;Downloads&quot;).</p>
<ul>
<li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content. Typical modules may include plug-ins (&quot;Plug-ins&quot;), plug-in fragments (&quot;Fragments&quot;), and features (&quot;Features&quot;).</li>
<li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java&trade; ARchive) in a directory named &quot;plugins&quot;.</li>
<li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material. Each Feature may be packaged as a sub-directory in a directory named &quot;features&quot;. Within a Feature, files named &quot;feature.xml&quot; may contain a list of the names and version numbers of the Plug-ins
and/or Fragments associated with that Feature.</li>
<li>Features may also include other Features (&quot;Included Features&quot;). Within a Feature, files named &quot;feature.xml&quot; may contain a list of the names and version numbers of Included Features.</li>
</ul>
<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named &quot;about.html&quot; (&quot;Abouts&quot;). The terms and conditions governing Features and
Included Features should be contained in files named &quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and Feature Licenses may be located in any directory of a Download or Module
including, but not limited to the following locations:</p>
<ul>
<li>The top-level (root) directory</li>
<li>Plug-in and Fragment directories</li>
<li>Inside Plug-ins and Fragments packaged as JARs</li>
<li>Sub-directories of the directory named &quot;src&quot; of certain Plug-ins</li>
<li>Feature directories</li>
</ul>
<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license (&quot;Feature Update License&quot;) during the
installation process. If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
inform you where you can locate them. Feature Update Licenses may be found in the &quot;license&quot; property of files named &quot;feature.properties&quot; found within a Feature.
Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
that directory.</p>
<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE
OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
<ul>
<li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
<li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
<li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
<li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
<li>Metro Link Public License 1.00 (available at <a href="http://www.opengroup.org/openmotif/supporters/metrolink/license.html">http://www.opengroup.org/openmotif/supporters/metrolink/license.html</a>)</li>
<li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
</ul>
<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License is provided, please
contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
<h3>Use of Provisioning Technology</h3>
<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
Update Manager (&quot;Provisioning Technology&quot;) for the purpose of allowing users to install software, documentation, information and/or
other materials (collectively &quot;Installable Software&quot;). This capability is provided with the intent of allowing such users to
install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a
href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
(&quot;Specification&quot;).</p>
<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
<ol>
<li>A series of actions may occur (&quot;Provisioning Process&quot;) in which a user may execute the Provisioning Technology
on a machine (&quot;Target Machine&quot;) with the intent of installing, extending or updating the functionality of an Eclipse-based
product.</li>
<li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
accessed and copied to the Target Machine.</li>
<li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
Software (&quot;Installable Software Agreement&quot;) and such Installable Software Agreement shall be accessed from the Target
Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
</ol>
<h3>Cryptography</h3>
<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
possession, or use, and re-export of encryption software, to see if this is permitted.</p>
<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
</body>
</html>

12
vendor/github.com/eclipse/paho.mqtt.golang/oops.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

78
vendor/github.com/eclipse/paho.mqtt.golang/options.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
@@ -19,6 +23,7 @@ package mqtt
import ( import (
"crypto/tls" "crypto/tls"
"net"
"net/http" "net/http"
"net/url" "net/url"
"strings" "strings"
@@ -49,8 +54,19 @@ type OnConnectHandler func(Client)
// the initial connection is lost // the initial connection is lost
type ReconnectHandler func(Client, *ClientOptions) type ReconnectHandler func(Client, *ClientOptions)
// ConnectionAttemptHandler is invoked prior to making the initial connection.
type ConnectionAttemptHandler func(broker *url.URL, tlsCfg *tls.Config) *tls.Config
// OpenConnectionFunc is invoked to establish the underlying network connection
// Its purpose if for custom network transports.
// Does not carry out any MQTT specific handshakes.
type OpenConnectionFunc func(uri *url.URL, options ClientOptions) (net.Conn, error)
// ClientOptions contains configurable options for an Client. Note that these should be set using the // 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. // 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 { type ClientOptions struct {
Servers []*url.URL Servers []*url.URL
ClientID string ClientID string
@@ -67,7 +83,7 @@ type ClientOptions struct {
ProtocolVersion uint ProtocolVersion uint
protocolVersionExplicit bool protocolVersionExplicit bool
TLSConfig *tls.Config TLSConfig *tls.Config
KeepAlive int64 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
@@ -79,11 +95,16 @@ type ClientOptions struct {
OnConnect OnConnectHandler OnConnect OnConnectHandler
OnConnectionLost ConnectionLostHandler OnConnectionLost ConnectionLostHandler
OnReconnecting ReconnectHandler OnReconnecting ReconnectHandler
OnConnectAttempt ConnectionAttemptHandler
WriteTimeout time.Duration WriteTimeout time.Duration
MessageChannelDepth uint MessageChannelDepth uint
ResumeSubs bool ResumeSubs bool
HTTPHeaders http.Header HTTPHeaders http.Header
WebsocketOptions *WebsocketOptions WebsocketOptions *WebsocketOptions
MaxResumePubInFlight int // // 0 = no limit; otherwise this is the maximum simultaneous messages sent while resuming
Dialer *net.Dialer
CustomOpenConnectionFn OpenConnectionFunc
AutoAckDisabled bool
} }
// NewClientOptions will create a new ClientClientOptions type with some // NewClientOptions will create a new ClientClientOptions type with some
@@ -120,10 +141,14 @@ func NewClientOptions() *ClientOptions {
Store: nil, Store: nil,
OnConnect: nil, OnConnect: nil,
OnConnectionLost: DefaultConnectionLostHandler, OnConnectionLost: DefaultConnectionLostHandler,
OnConnectAttempt: nil,
WriteTimeout: 0, // 0 represents timeout disabled WriteTimeout: 0, // 0 represents timeout disabled
ResumeSubs: false, ResumeSubs: false,
HTTPHeaders: make(map[string][]string), HTTPHeaders: make(map[string][]string),
WebsocketOptions: &WebsocketOptions{}, WebsocketOptions: &WebsocketOptions{},
Dialer: &net.Dialer{Timeout: 30 * time.Second},
CustomOpenConnectionFn: nil,
AutoAckDisabled: false,
} }
return o return o
} }
@@ -321,6 +346,15 @@ func (o *ClientOptions) SetReconnectingHandler(cb ReconnectHandler) *ClientOptio
return o return o
} }
// SetConnectionAttemptHandler sets the ConnectionAttemptHandler callback to be executed prior
// to each attempt to connect to an MQTT broker. Returns the *tls.Config that will be used when establishing
// the connection (a copy of the tls.Config from ClientOptions will be passed in along with the broker URL).
// This allows connection specific changes to be made to the *tls.Config.
func (o *ClientOptions) SetConnectionAttemptHandler(onConnectAttempt ConnectionAttemptHandler) *ClientOptions {
o.OnConnectAttempt = onConnectAttempt
return o
}
// SetWriteTimeout puts a limit on how long a mqtt publish should block until it unblocks with a // 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 // timeout error. A duration of 0 never times out. Default never times out
func (o *ClientOptions) SetWriteTimeout(t time.Duration) *ClientOptions { func (o *ClientOptions) SetWriteTimeout(t time.Duration) *ClientOptions {
@@ -333,6 +367,7 @@ func (o *ClientOptions) SetWriteTimeout(t time.Duration) *ClientOptions {
// Default 30 seconds. Currently only operational on TCP/TLS connections. // Default 30 seconds. Currently only operational on TCP/TLS connections.
func (o *ClientOptions) SetConnectTimeout(t time.Duration) *ClientOptions { func (o *ClientOptions) SetConnectTimeout(t time.Duration) *ClientOptions {
o.ConnectTimeout = t o.ConnectTimeout = t
o.Dialer.Timeout = t
return o return o
} }
@@ -387,3 +422,36 @@ func (o *ClientOptions) SetWebsocketOptions(w *WebsocketOptions) *ClientOptions
o.WebsocketOptions = w o.WebsocketOptions = w
return o return o
} }
// SetMaxResumePubInFlight sets the maximum simultaneous publish messages that will be sent while resuming. Note that
// this only applies to messages coming from the store (so additional sends may push us over the limit)
// Note that the connect token will not be flagged as complete until all messages have been sent from the
// store. If broker does not respond to messages then resume may not complete.
// This option was put in place because resuming after downtime can saturate low capacity links.
func (o *ClientOptions) SetMaxResumePubInFlight(MaxResumePubInFlight int) *ClientOptions {
o.MaxResumePubInFlight = MaxResumePubInFlight
return o
}
// SetDialer sets the tcp dialer options used in a tcp connection
func (o *ClientOptions) SetDialer(dialer *net.Dialer) *ClientOptions {
o.Dialer = dialer
return o
}
// SetCustomOpenConnectionFn replaces the inbuilt function that establishes a network connection with a custom function.
// The passed in function should return an open `net.Conn` or an error (see the existing openConnection function for an example)
// It enables custom networking types in addition to the defaults (tcp, tls, websockets...)
func (o *ClientOptions) SetCustomOpenConnectionFn(customOpenConnectionFn OpenConnectionFunc) *ClientOptions {
if customOpenConnectionFn != nil {
o.CustomOpenConnectionFn = customOpenConnectionFn
}
return o
}
// 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
return o
}

12
vendor/github.com/eclipse/paho.mqtt.golang/options_reader.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/connack.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

22
vendor/github.com/eclipse/paho.mqtt.golang/packets/connect.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (
@@ -29,7 +45,11 @@ type ConnectPacket struct {
} }
func (c *ConnectPacket) String() string { func (c *ConnectPacket) String() string {
return fmt.Sprintf("%s protocolversion: %d protocolname: %s cleansession: %t willflag: %t WillQos: %d WillRetain: %t Usernameflag: %t Passwordflag: %t keepalive: %d clientId: %s willtopic: %s willmessage: %s Username: %s Password: %s", c.FixedHeader, c.ProtocolVersion, c.ProtocolName, c.CleanSession, c.WillFlag, c.WillQos, c.WillRetain, c.UsernameFlag, c.PasswordFlag, c.Keepalive, c.ClientIdentifier, c.WillTopic, c.WillMessage, c.Username, c.Password) var password string
if len(c.Password) > 0 {
password = "<redacted>"
}
return fmt.Sprintf("%s protocolversion: %d protocolname: %s cleansession: %t willflag: %t WillQos: %d WillRetain: %t Usernameflag: %t Passwordflag: %t keepalive: %d clientId: %s willtopic: %s willmessage: %s Username: %s Password: %s", c.FixedHeader, c.ProtocolVersion, c.ProtocolName, c.CleanSession, c.WillFlag, c.WillQos, c.WillRetain, c.UsernameFlag, c.PasswordFlag, c.Keepalive, c.ClientIdentifier, c.WillTopic, c.WillMessage, c.Username, password)
} }
func (c *ConnectPacket) Write(w io.Writer) error { func (c *ConnectPacket) Write(w io.Writer) error {

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/disconnect.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/packets.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/pingreq.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/pingresp.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/puback.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/pubcomp.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/publish.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/pubrec.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/pubrel.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/suback.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/subscribe.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/unsuback.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/packets/unsubscribe.go generated vendored
View File

@@ -1,3 +1,19 @@
/*
* 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:
* Allan Stockdill-Mander
*/
package packets package packets
import ( import (

16
vendor/github.com/eclipse/paho.mqtt.golang/ping.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
@@ -54,8 +58,8 @@ func keepalive(c *client, conn io.Writer) {
if atomic.LoadInt32(&c.pingOutstanding) == 0 { if atomic.LoadInt32(&c.pingOutstanding) == 0 {
DEBUG.Println(PNG, "keepalive sending ping") DEBUG.Println(PNG, "keepalive sending ping")
ping := packets.NewControlPacket(packets.Pingreq).(*packets.PingreqPacket) ping := packets.NewControlPacket(packets.Pingreq).(*packets.PingreqPacket)
// We don't want to wait behind large messages being sent, the Write call // We don't want to wait behind large messages being sent, the `Write` call
// will block until it it able to send the packet. // will block until it is able to send the packet.
atomic.StoreInt32(&c.pingOutstanding, 1) atomic.StoreInt32(&c.pingOutstanding, 1)
if err := ping.Write(conn); err != nil { if err := ping.Write(conn); err != nil {
ERROR.Println(PNG, err) ERROR.Println(PNG, err)

81
vendor/github.com/eclipse/paho.mqtt.golang/router.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
@@ -132,13 +136,46 @@ func (r *router) setDefaultHandler(handler MessageHandler) {
// associated callback (or the defaultHandler, if one exists and no other route matched). If // 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. // 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 { func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order bool, client *client) <-chan *PacketAndToken {
ackChan := make(chan *PacketAndToken) var wg sync.WaitGroup
go func() { 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
ackCopyStopped := make(chan struct{}) // Closure indicates that it is safe to close ackOutChan
goRoutinesDone := make(chan struct{}) // closed on wg.Done()
if order {
ackInChan = ackOutChan // When order = true no go routines are used so safe to use one channel and close when done
} else {
// When order = false ACK messages are sent in go routines so ackInChan cannot be closed until all goroutines done
ackInChan = make(chan *PacketAndToken)
go func() { // go routine to copy from ackInChan to ackOutChan until stopped
for {
select {
case a := <-ackInChan:
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
for message := range messages { for message := range messages {
// DEBUG.Println(ROU, "matchAndDispatch received message") // DEBUG.Println(ROU, "matchAndDispatch received message")
sent := false sent := false
r.RLock() r.RLock()
m := messageFromPublish(message, ackFunc(ackChan, client.persist, message)) m := messageFromPublish(message, ackFunc(ackInChan, client.persist, message))
var handlers []MessageHandler var handlers []MessageHandler
for e := r.routes.Front(); e != nil; e = e.Next() { for e := r.routes.Front(); e != nil; e = e.Next() {
if e.Value.(*route).match(message.TopicName) { if e.Value.(*route).match(message.TopicName) {
@@ -146,9 +183,13 @@ func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order
handlers = append(handlers, e.Value.(*route).callback) handlers = append(handlers, e.Value.(*route).callback)
} else { } else {
hd := e.Value.(*route).callback hd := e.Value.(*route).callback
wg.Add(1)
go func() { go func() {
hd(client, m) hd(client, m)
m.Ack() if !client.options.AutoAckDisabled {
m.Ack()
}
wg.Done()
}() }()
} }
sent = true sent = true
@@ -159,9 +200,13 @@ func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order
if order { if order {
handlers = append(handlers, r.defaultHandler) handlers = append(handlers, r.defaultHandler)
} else { } else {
wg.Add(1)
go func() { go func() {
r.defaultHandler(client, m) r.defaultHandler(client, m)
m.Ack() if !client.options.AutoAckDisabled {
m.Ack()
}
wg.Done()
}() }()
} }
} else { } else {
@@ -171,12 +216,24 @@ func (r *router) matchAndDispatch(messages <-chan *packets.PublishPacket, order
r.RUnlock() r.RUnlock()
for _, handler := range handlers { for _, handler := range handlers {
handler(client, m) handler(client, m)
m.Ack() if !client.options.AutoAckDisabled {
m.Ack()
}
} }
// DEBUG.Println(ROU, "matchAndDispatch handled message") // DEBUG.Println(ROU, "matchAndDispatch handled message")
} }
close(ackChan) if order {
close(ackOutChan)
} else { // Ensure that nothing further will be written to ackOutChan before closing it
close(stopAckCopy)
<-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") DEBUG.Println(ROU, "matchAndDispatch exiting")
}() }()
return ackChan return ackOutChan
} }

296
vendor/github.com/eclipse/paho.mqtt.golang/status.go generated vendored Normal file
View File

@@ -0,0 +1,296 @@
/*
* 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:
* Seth Hoenig
* Allan Stockdill-Mander
* Mike Robertson
* Matt Brittan
*/
package mqtt
import (
"errors"
"sync"
)
// Status - Manage the connection status
// Multiple go routines will want to access/set this. Previously status was implemented as a `uint32` and updated
// with a mixture of atomic functions and a mutex (leading to some deadlock type issues that were very hard to debug).
// In this new implementation `connectionStatus` takes over managing the state and provides functions that allow the
// client to request a move to a particular state (it may reject these requests!). In some cases the 'state' is
// transitory, for example `connecting`, in those cases a function will be returned that allows the client to move
// to a more static state (`disconnected` or `connected`).
// This "belts-and-braces" may be a little over the top but issues with the status have caused a number of difficult
// to trace bugs in the past and the likelihood that introducing a new system would introduce bugs seemed high!
// I have written this in a way that should make it very difficult to misuse it (but it does make things a little
// complex with functions returning functions that return functions!).
type status uint32
const (
disconnected status = iota // default (nil) status is disconnected
disconnecting // Transitioning from one of the below states back to disconnected
connecting
reconnecting
connected
)
// String simplify output of statuses
func (s status) String() string {
switch s {
case disconnected:
return "disconnected"
case disconnecting:
return "disconnecting"
case connecting:
return "connecting"
case reconnecting:
return "reconnecting"
case connected:
return "connected"
default:
return "invalid"
}
}
type connCompletedFn func(success bool) error
type disconnectCompletedFn func()
type connectionLostHandledFn func(bool) (connCompletedFn, error)
/* State transitions
static states are `disconnected` and `connected`. For all other states a process will hold a function that will move
the state to one of those. That function effectively owns the state and any other changes must not proceed until it
completes. One exception to that is that the state can always be moved to `disconnecting` which provides a signal that
transitions to `connected` will be rejected (this is required because a Disconnect can be requested while in the
Connecting state).
# Basic Operations
The standard workflows are:
disconnected -> `Connecting()` -> connecting -> `connCompletedFn(true)` -> connected
connected -> `Disconnecting()` -> disconnecting -> `disconnectCompletedFn()` -> disconnected
connected -> `ConnectionLost(false)` -> disconnecting -> `connectionLostHandledFn(true/false)` -> disconnected
connected -> `ConnectionLost(true)` -> disconnecting -> `connectionLostHandledFn(true)` -> connected
Unfortunately the above workflows are complicated by the fact that `Disconnecting()` or `ConnectionLost()` may,
potentially, be called at any time (i.e. whilst in the middle of transitioning between states). If this happens:
* The state will be set to disconnecting (which will prevent any request to move the status to connected)
* The call to `Disconnecting()`/`ConnectionLost()` will block until the previously active call completes and then
handle the disconnection.
Reading the tests (unit_status_test.go) might help understand these rules.
*/
var (
errAbortConnection = errors.New("disconnect called whist connection attempt in progress")
errAlreadyConnectedOrReconnecting = errors.New("status is already connected or reconnecting")
errStatusMustBeDisconnected = errors.New("status can only transition to connecting from disconnected")
errAlreadyDisconnected = errors.New("status is already disconnected")
errDisconnectionRequested = errors.New("disconnection was requested whilst the action was in progress")
errDisconnectionInProgress = errors.New("disconnection already in progress")
errAlreadyHandlingConnectionLoss = errors.New("status is already Connection Lost")
errConnLossWhileDisconnecting = errors.New("connection status is disconnecting so loss of connection is expected")
)
// connectionStatus encapsulates, and protects, the connection status.
type connectionStatus struct {
sync.RWMutex // Protects the variables below
status status
willReconnect bool // only used when status == disconnecting. Indicates that an attempt will be made to reconnect (allows us to abort that)
// Some statuses are transitional (e.g. connecting, connectionLost, reconnecting, disconnecting), that is, whatever
// process moves us into that status will move us out of it when an action is complete. Sometimes other users
// will need to know when the action is complete (e.g. the user calls `Disconnect()` whilst the status is
// `connecting`). `actionCompleted` will be set whenever we move into one of the above statues and the channel
// returned to anything else requesting a status change. The channel will be closed when the operation is complete.
actionCompleted chan struct{} // Only valid whilst status is Connecting or Reconnecting; will be closed when connection completed (success or failure)
}
// ConnectionStatus returns the connection status.
// WARNING: the status may change at any time so users should not assume they are the only goroutine touching this
func (c *connectionStatus) ConnectionStatus() status {
c.RLock()
defer c.RUnlock()
return c.status
}
// ConnectionStatusRetry returns the connection status and retry flag (indicates that we expect to reconnect).
// WARNING: the status may change at any time so users should not assume they are the only goroutine touching this
func (c *connectionStatus) ConnectionStatusRetry() (status, bool) {
c.RLock()
defer c.RUnlock()
return c.status, c.willReconnect
}
// Connecting - Changes the status to connecting if that is a permitted operation
// Will do nothing unless the current status is disconnected
// Returns a function that MUST be called when the operation is complete (pass in true if successful)
func (c *connectionStatus) Connecting() (connCompletedFn, error) {
c.Lock()
defer c.Unlock()
// Calling Connect when already connecting (or if reconnecting) may not always be considered an error
if c.status == connected || c.status == reconnecting {
return nil, errAlreadyConnectedOrReconnecting
}
if c.status != disconnected {
return nil, errStatusMustBeDisconnected
}
c.status = connecting
c.actionCompleted = make(chan struct{})
return c.connected, nil
}
// connected is an internal function (it is returned by functions that set the status to connecting or reconnecting,
// calling it completes the operation). `success` is used to indicate whether the operation was successfully completed.
func (c *connectionStatus) connected(success bool) error {
c.Lock()
defer func() {
close(c.actionCompleted) // Alert anything waiting on the connection process to complete
c.actionCompleted = nil // Be tidy
c.Unlock()
}()
// Status may have moved to disconnecting in the interim (i.e. at users request)
if c.status == disconnecting {
return errAbortConnection
}
if success {
c.status = connected
} else {
c.status = disconnected
}
return nil
}
// Disconnecting - should be called when beginning the disconnection process (cleanup etc.).
// Can be called from ANY status and the end result will always be a status of disconnected
// Note that if a connection/reconnection attempt is in progress this function will set the status to `disconnecting`
// then block until the connection process completes (or aborts).
// Returns a function that MUST be called when the operation is complete (assumed to always be successful!)
func (c *connectionStatus) Disconnecting() (disconnectCompletedFn, error) {
c.Lock()
if c.status == disconnected {
c.Unlock()
return nil, errAlreadyDisconnected // May not always be treated as an error
}
if c.status == disconnecting { // Need to wait for existing process to complete
c.willReconnect = false // Ensure that the existing disconnect process will not reconnect
disConnectDone := c.actionCompleted
c.Unlock()
<-disConnectDone // Wait for existing operation to complete
return nil, errAlreadyDisconnected // Well we are now!
}
prevStatus := c.status
c.status = disconnecting
// We may need to wait for connection/reconnection process to complete (they should regularly check the status)
if prevStatus == connecting || prevStatus == reconnecting {
connectDone := c.actionCompleted
c.Unlock() // Safe because the only way to leave the disconnecting status is via this function
<-connectDone
if prevStatus == reconnecting && !c.willReconnect {
return nil, errAlreadyDisconnected // Following connectionLost process we will be disconnected
}
c.Lock()
}
c.actionCompleted = make(chan struct{})
c.Unlock()
return c.disconnectionCompleted, nil
}
// disconnectionCompleted is an internal function (it is returned by functions that set the status to disconnecting)
func (c *connectionStatus) disconnectionCompleted() {
c.Lock()
defer c.Unlock()
c.status = disconnected
close(c.actionCompleted) // Alert anything waiting on the connection process to complete
c.actionCompleted = nil
}
// ConnectionLost - should be called when the connection is lost.
// This really only differs from Disconnecting in that we may transition into a reconnection (but that could be
// cancelled something else calls Disconnecting in the meantime).
// The returned function should be called when cleanup is completed. It will return a function to be called when
// reconnect completes (or nil if no reconnect requested/disconnect called in the interim).
// Note: This function may block if a connection is in progress (the move to connected will be rejected)
func (c *connectionStatus) ConnectionLost(willReconnect bool) (connectionLostHandledFn, error) {
c.Lock()
defer c.Unlock()
if c.status == disconnected {
return nil, errAlreadyDisconnected
}
if c.status == disconnecting { // its expected that connection lost will be called during the disconnection process
return nil, errDisconnectionInProgress
}
c.willReconnect = willReconnect
prevStatus := c.status
c.status = disconnecting
// There is a slight possibility that a connection attempt is in progress (connection up and goroutines started but
// status not yet changed). By changing the status we ensure that process will exit cleanly
if prevStatus == connecting || prevStatus == reconnecting {
connectDone := c.actionCompleted
c.Unlock() // Safe because the only way to leave the disconnecting status is via this function
<-connectDone
c.Lock()
if !willReconnect {
// In this case the connection will always be aborted so there is nothing more for us to do
return nil, errAlreadyDisconnected
}
}
c.actionCompleted = make(chan struct{})
return c.getConnectionLostHandler(willReconnect), nil
}
// getConnectionLostHandler is an internal function. It returns the function to be returned by ConnectionLost
func (c *connectionStatus) getConnectionLostHandler(reconnectRequested bool) connectionLostHandledFn {
return func(proceed bool) (connCompletedFn, error) {
// Note that connCompletedFn will only be provided if both reconnectRequested and proceed are true
c.Lock()
defer c.Unlock()
// `Disconnecting()` may have been called while the disconnection was being processed (this makes it permanent!)
if !c.willReconnect || !proceed {
c.status = disconnected
close(c.actionCompleted) // Alert anything waiting on the connection process to complete
c.actionCompleted = nil
if !reconnectRequested || !proceed {
return nil, nil
}
return nil, errDisconnectionRequested
}
c.status = reconnecting
return c.connected, nil // Note that c.actionCompleted is still live and will be closed in connected
}
}
// forceConnectionStatus - forces the connection status to the specified value.
// This should only be used when there is no alternative (i.e. only in tests and to recover from situations that
// are unexpected)
func (c *connectionStatus) forceConnectionStatus(s status) {
c.Lock()
defer c.Unlock()
c.status = s
}

14
vendor/github.com/eclipse/paho.mqtt.golang/store.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig
@@ -45,7 +49,7 @@ type Store interface {
// where X is 'i' or 'o' // where X is 'i' or 'o'
func mIDFromKey(key string) uint16 { func mIDFromKey(key string) uint16 {
s := key[2:] s := key[2:]
i, err := strconv.Atoi(s) i, err := strconv.ParseUint(s, 10, 16)
chkerr(err) chkerr(err)
return uint16(i) return uint16(i)
} }

12
vendor/github.com/eclipse/paho.mqtt.golang/token.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2014 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Allan Stockdill-Mander * Allan Stockdill-Mander

12
vendor/github.com/eclipse/paho.mqtt.golang/topic.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2014 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

12
vendor/github.com/eclipse/paho.mqtt.golang/trace.go generated vendored
View File

@@ -1,10 +1,14 @@
/* /*
* Copyright (c) 2013 IBM Corp. * Copyright (c) 2021 IBM Corp and others.
* *
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at * and Eclipse Distribution License v1.0 which accompany this distribution.
* http://www.eclipse.org/legal/epl-v10.html *
* 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: * Contributors:
* Seth Hoenig * Seth Hoenig

13
vendor/github.com/eclipse/paho.mqtt.golang/websocket.go generated vendored
View File

@@ -1,3 +1,16 @@
/*
* 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:
*/
package mqtt package mqtt
import ( import (

10
vendor/github.com/golang/protobuf/proto/registry.go generated vendored
View File

@@ -13,6 +13,7 @@ import (
"strings" "strings"
"sync" "sync"
"google.golang.org/protobuf/reflect/protodesc"
"google.golang.org/protobuf/reflect/protoreflect" "google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry" "google.golang.org/protobuf/reflect/protoregistry"
"google.golang.org/protobuf/runtime/protoimpl" "google.golang.org/protobuf/runtime/protoimpl"
@@ -62,14 +63,7 @@ func FileDescriptor(s filePath) fileDescGZIP {
// Find the descriptor in the v2 registry. // Find the descriptor in the v2 registry.
var b []byte var b []byte
if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil { if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil {
if fd, ok := fd.(interface{ ProtoLegacyRawDesc() []byte }); ok { b, _ = Marshal(protodesc.ToFileDescriptorProto(fd))
b = fd.ProtoLegacyRawDesc()
} else {
// TODO: Use protodesc.ToFileDescriptorProto to construct
// a descriptorpb.FileDescriptorProto and marshal it.
// However, doing so causes the proto package to have a dependency
// on descriptorpb, leading to cyclic dependency issues.
}
} }
// Locally cache the raw descriptor form for the file. // Locally cache the raw descriptor form for the file.

165
vendor/github.com/golang/protobuf/ptypes/any.go generated vendored
View File

@@ -1,165 +0,0 @@
// Copyright 2016 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 ptypes
import (
"fmt"
"strings"
"github.com/golang/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
anypb "github.com/golang/protobuf/ptypes/any"
)
const urlPrefix = "type.googleapis.com/"
// AnyMessageName returns the message name contained in an anypb.Any message.
// Most type assertions should use the Is function instead.
func AnyMessageName(any *anypb.Any) (string, error) {
name, err := anyMessageName(any)
return string(name), err
}
func anyMessageName(any *anypb.Any) (protoreflect.FullName, error) {
if any == nil {
return "", fmt.Errorf("message is nil")
}
name := protoreflect.FullName(any.TypeUrl)
if i := strings.LastIndex(any.TypeUrl, "/"); i >= 0 {
name = name[i+len("/"):]
}
if !name.IsValid() {
return "", fmt.Errorf("message type url %q is invalid", any.TypeUrl)
}
return name, nil
}
// MarshalAny marshals the given message m into an anypb.Any message.
func MarshalAny(m proto.Message) (*anypb.Any, error) {
switch dm := m.(type) {
case DynamicAny:
m = dm.Message
case *DynamicAny:
if dm == nil {
return nil, proto.ErrNil
}
m = dm.Message
}
b, err := proto.Marshal(m)
if err != nil {
return nil, err
}
return &anypb.Any{TypeUrl: urlPrefix + proto.MessageName(m), Value: b}, nil
}
// Empty returns a new message of the type specified in an anypb.Any message.
// It returns protoregistry.NotFound if the corresponding message type could not
// be resolved in the global registry.
func Empty(any *anypb.Any) (proto.Message, error) {
name, err := anyMessageName(any)
if err != nil {
return nil, err
}
mt, err := protoregistry.GlobalTypes.FindMessageByName(name)
if err != nil {
return nil, err
}
return proto.MessageV1(mt.New().Interface()), nil
}
// UnmarshalAny unmarshals the encoded value contained in the anypb.Any message
// into the provided message m. It returns an error if the target message
// does not match the type in the Any message or if an unmarshal error occurs.
//
// The target message m may be a *DynamicAny message. If the underlying message
// type could not be resolved, then this returns protoregistry.NotFound.
func UnmarshalAny(any *anypb.Any, m proto.Message) error {
if dm, ok := m.(*DynamicAny); ok {
if dm.Message == nil {
var err error
dm.Message, err = Empty(any)
if err != nil {
return err
}
}
m = dm.Message
}
anyName, err := AnyMessageName(any)
if err != nil {
return err
}
msgName := proto.MessageName(m)
if anyName != msgName {
return fmt.Errorf("mismatched message type: got %q want %q", anyName, msgName)
}
return proto.Unmarshal(any.Value, m)
}
// Is reports whether the Any message contains a message of the specified type.
func Is(any *anypb.Any, m proto.Message) bool {
if any == nil || m == nil {
return false
}
name := proto.MessageName(m)
if !strings.HasSuffix(any.TypeUrl, name) {
return false
}
return len(any.TypeUrl) == len(name) || any.TypeUrl[len(any.TypeUrl)-len(name)-1] == '/'
}
// DynamicAny is a value that can be passed to UnmarshalAny to automatically
// allocate a proto.Message for the type specified in an anypb.Any message.
// The allocated message is stored in the embedded proto.Message.
//
// Example:
// var x ptypes.DynamicAny
// if err := ptypes.UnmarshalAny(a, &x); err != nil { ... }
// fmt.Printf("unmarshaled message: %v", x.Message)
type DynamicAny struct{ proto.Message }
func (m DynamicAny) String() string {
if m.Message == nil {
return "<nil>"
}
return m.Message.String()
}
func (m DynamicAny) Reset() {
if m.Message == nil {
return
}
m.Message.Reset()
}
func (m DynamicAny) ProtoMessage() {
return
}
func (m DynamicAny) ProtoReflect() protoreflect.Message {
if m.Message == nil {
return nil
}
return dynamicAny{proto.MessageReflect(m.Message)}
}
type dynamicAny struct{ protoreflect.Message }
func (m dynamicAny) Type() protoreflect.MessageType {
return dynamicAnyType{m.Message.Type()}
}
func (m dynamicAny) New() protoreflect.Message {
return dynamicAnyType{m.Message.Type()}.New()
}
func (m dynamicAny) Interface() protoreflect.ProtoMessage {
return DynamicAny{proto.MessageV1(m.Message.Interface())}
}
type dynamicAnyType struct{ protoreflect.MessageType }
func (t dynamicAnyType) New() protoreflect.Message {
return dynamicAny{t.MessageType.New()}
}
func (t dynamicAnyType) Zero() protoreflect.Message {
return dynamicAny{t.MessageType.Zero()}
}

62
vendor/github.com/golang/protobuf/ptypes/any/any.pb.go generated vendored
View File

@@ -1,62 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/any/any.proto
package any
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
anypb "google.golang.org/protobuf/types/known/anypb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/any.proto.
type Any = anypb.Any
var File_github_com_golang_protobuf_ptypes_any_any_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc = []byte{
0x0a, 0x2f, 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, 0x61, 0x6e, 0x79, 0x2f, 0x61, 0x6e, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74,
0x6f, 0x1a, 0x19, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
0x75, 0x66, 0x2f, 0x61, 0x6e, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x42, 0x2b, 0x5a, 0x29,
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, 0x61, 0x6e, 0x79, 0x3b, 0x61, 0x6e, 0x79, 0x50, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f,
0x74, 0x6f, 0x33,
}
var file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes = []interface{}{}
var file_github_com_golang_protobuf_ptypes_any_any_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_any_any_proto_init() }
func file_github_com_golang_protobuf_ptypes_any_any_proto_init() {
if File_github_com_golang_protobuf_ptypes_any_any_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes,
DependencyIndexes: file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs,
}.Build()
File_github_com_golang_protobuf_ptypes_any_any_proto = out.File
file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc = nil
file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes = nil
file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs = nil
}

6
vendor/github.com/golang/protobuf/ptypes/doc.go generated vendored
View File

@@ -1,6 +0,0 @@
// Copyright 2016 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 ptypes provides functionality for interacting with well-known types.
package ptypes

72
vendor/github.com/golang/protobuf/ptypes/duration.go generated vendored
View File

@@ -1,72 +0,0 @@
// Copyright 2016 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 ptypes
import (
"errors"
"fmt"
"time"
durationpb "github.com/golang/protobuf/ptypes/duration"
)
// Range of google.protobuf.Duration as specified in duration.proto.
// This is about 10,000 years in seconds.
const (
maxSeconds = int64(10000 * 365.25 * 24 * 60 * 60)
minSeconds = -maxSeconds
)
// Duration converts a durationpb.Duration to a time.Duration.
// Duration returns an error if dur is invalid or overflows a time.Duration.
func Duration(dur *durationpb.Duration) (time.Duration, error) {
if err := validateDuration(dur); err != nil {
return 0, err
}
d := time.Duration(dur.Seconds) * time.Second
if int64(d/time.Second) != dur.Seconds {
return 0, fmt.Errorf("duration: %v is out of range for time.Duration", dur)
}
if dur.Nanos != 0 {
d += time.Duration(dur.Nanos) * time.Nanosecond
if (d < 0) != (dur.Nanos < 0) {
return 0, fmt.Errorf("duration: %v is out of range for time.Duration", dur)
}
}
return d, nil
}
// DurationProto converts a time.Duration to a durationpb.Duration.
func DurationProto(d time.Duration) *durationpb.Duration {
nanos := d.Nanoseconds()
secs := nanos / 1e9
nanos -= secs * 1e9
return &durationpb.Duration{
Seconds: int64(secs),
Nanos: int32(nanos),
}
}
// validateDuration determines whether the durationpb.Duration is valid
// according to the definition in google/protobuf/duration.proto.
// A valid durpb.Duration may still be too large to fit into a time.Duration
// Note that the range of durationpb.Duration is about 10,000 years,
// while the range of time.Duration is about 290 years.
func validateDuration(dur *durationpb.Duration) error {
if dur == nil {
return errors.New("duration: nil Duration")
}
if dur.Seconds < minSeconds || dur.Seconds > maxSeconds {
return fmt.Errorf("duration: %v: seconds out of range", dur)
}
if dur.Nanos <= -1e9 || dur.Nanos >= 1e9 {
return fmt.Errorf("duration: %v: nanos out of range", dur)
}
// Seconds and Nanos must have the same sign, unless d.Nanos is zero.
if (dur.Seconds < 0 && dur.Nanos > 0) || (dur.Seconds > 0 && dur.Nanos < 0) {
return fmt.Errorf("duration: %v: seconds and nanos have different signs", dur)
}
return nil
}

63
vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go generated vendored
View File

@@ -1,63 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/duration/duration.proto
package duration
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
durationpb "google.golang.org/protobuf/types/known/durationpb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/duration.proto.
type Duration = durationpb.Duration
var File_github_com_golang_protobuf_ptypes_duration_duration_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc = []byte{
0x0a, 0x39, 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, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x64, 0x75, 0x72,
0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1e, 0x67, 0x6f, 0x6f,
0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x75, 0x72,
0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x42, 0x35, 0x5a, 0x33, 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, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69,
0x6f, 0x6e, 0x50, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes = []interface{}{}
var file_github_com_golang_protobuf_ptypes_duration_duration_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_duration_duration_proto_init() }
func file_github_com_golang_protobuf_ptypes_duration_duration_proto_init() {
if File_github_com_golang_protobuf_ptypes_duration_duration_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes,
DependencyIndexes: file_github_com_golang_protobuf_ptypes_duration_duration_proto_depIdxs,
}.Build()
File_github_com_golang_protobuf_ptypes_duration_duration_proto = out.File
file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc = nil
file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes = nil
file_github_com_golang_protobuf_ptypes_duration_duration_proto_depIdxs = nil
}

103
vendor/github.com/golang/protobuf/ptypes/timestamp.go generated vendored
View File

@@ -1,103 +0,0 @@
// Copyright 2016 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 ptypes
import (
"errors"
"fmt"
"time"
timestamppb "github.com/golang/protobuf/ptypes/timestamp"
)
// Range of google.protobuf.Duration as specified in timestamp.proto.
const (
// Seconds field of the earliest valid Timestamp.
// This is time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
minValidSeconds = -62135596800
// Seconds field just after the latest valid Timestamp.
// This is time.Date(10000, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
maxValidSeconds = 253402300800
)
// Timestamp converts a timestamppb.Timestamp to a time.Time.
// It returns an error if the argument is invalid.
//
// Unlike most Go functions, if Timestamp returns an error, the first return
// value is not the zero time.Time. Instead, it is the value obtained from the
// time.Unix function when passed the contents of the Timestamp, in the UTC
// locale. This may or may not be a meaningful time; many invalid Timestamps
// do map to valid time.Times.
//
// A nil Timestamp returns an error. The first return value in that case is
// undefined.
func Timestamp(ts *timestamppb.Timestamp) (time.Time, error) {
// Don't return the zero value on error, because corresponds to a valid
// timestamp. Instead return whatever time.Unix gives us.
var t time.Time
if ts == nil {
t = time.Unix(0, 0).UTC() // treat nil like the empty Timestamp
} else {
t = time.Unix(ts.Seconds, int64(ts.Nanos)).UTC()
}
return t, validateTimestamp(ts)
}
// TimestampNow returns a google.protobuf.Timestamp for the current time.
func TimestampNow() *timestamppb.Timestamp {
ts, err := TimestampProto(time.Now())
if err != nil {
panic("ptypes: time.Now() out of Timestamp range")
}
return ts
}
// TimestampProto converts the time.Time to a google.protobuf.Timestamp proto.
// It returns an error if the resulting Timestamp is invalid.
func TimestampProto(t time.Time) (*timestamppb.Timestamp, error) {
ts := &timestamppb.Timestamp{
Seconds: t.Unix(),
Nanos: int32(t.Nanosecond()),
}
if err := validateTimestamp(ts); err != nil {
return nil, err
}
return ts, nil
}
// TimestampString returns the RFC 3339 string for valid Timestamps.
// For invalid Timestamps, it returns an error message in parentheses.
func TimestampString(ts *timestamppb.Timestamp) string {
t, err := Timestamp(ts)
if err != nil {
return fmt.Sprintf("(%v)", err)
}
return t.Format(time.RFC3339Nano)
}
// validateTimestamp determines whether a Timestamp is valid.
// A valid timestamp represents a time in the range [0001-01-01, 10000-01-01)
// and has a Nanos field in the range [0, 1e9).
//
// If the Timestamp is valid, validateTimestamp returns nil.
// Otherwise, it returns an error that describes the problem.
//
// Every valid Timestamp can be represented by a time.Time,
// but the converse is not true.
func validateTimestamp(ts *timestamppb.Timestamp) error {
if ts == nil {
return errors.New("timestamp: nil Timestamp")
}
if ts.Seconds < minValidSeconds {
return fmt.Errorf("timestamp: %v before 0001-01-01", ts)
}
if ts.Seconds >= maxValidSeconds {
return fmt.Errorf("timestamp: %v after 10000-01-01", ts)
}
if ts.Nanos < 0 || ts.Nanos >= 1e9 {
return fmt.Errorf("timestamp: %v: nanos not in range [0, 1e9)", ts)
}
return nil
}

39
vendor/github.com/gorilla/websocket/README.md generated vendored
View File

@@ -6,6 +6,13 @@
Gorilla WebSocket is a [Go](http://golang.org/) implementation of the Gorilla WebSocket is a [Go](http://golang.org/) implementation of the
[WebSocket](http://www.rfc-editor.org/rfc/rfc6455.txt) protocol. [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 ### Documentation
* [API Reference](https://pkg.go.dev/github.com/gorilla/websocket?tab=doc) * [API Reference](https://pkg.go.dev/github.com/gorilla/websocket?tab=doc)
@@ -30,35 +37,3 @@ The Gorilla WebSocket package passes the server tests in the [Autobahn Test
Suite](https://github.com/crossbario/autobahn-testsuite) using the application in the [examples/autobahn Suite](https://github.com/crossbario/autobahn-testsuite) using the application in the [examples/autobahn
subdirectory](https://github.com/gorilla/websocket/tree/master/examples/autobahn). subdirectory](https://github.com/gorilla/websocket/tree/master/examples/autobahn).
### Gorilla WebSocket compared with other packages
<table>
<tr>
<th></th>
<th><a href="http://godoc.org/github.com/gorilla/websocket">github.com/gorilla</a></th>
<th><a href="http://godoc.org/golang.org/x/net/websocket">golang.org/x/net</a></th>
</tr>
<tr>
<tr><td colspan="3"><a href="http://tools.ietf.org/html/rfc6455">RFC 6455</a> Features</td></tr>
<tr><td>Passes <a href="https://github.com/crossbario/autobahn-testsuite">Autobahn Test Suite</a></td><td><a href="https://github.com/gorilla/websocket/tree/master/examples/autobahn">Yes</a></td><td>No</td></tr>
<tr><td>Receive <a href="https://tools.ietf.org/html/rfc6455#section-5.4">fragmented</a> message<td>Yes</td><td><a href="https://code.google.com/p/go/issues/detail?id=7632">No</a>, see note 1</td></tr>
<tr><td>Send <a href="https://tools.ietf.org/html/rfc6455#section-5.5.1">close</a> message</td><td><a href="http://godoc.org/github.com/gorilla/websocket#hdr-Control_Messages">Yes</a></td><td><a href="https://code.google.com/p/go/issues/detail?id=4588">No</a></td></tr>
<tr><td>Send <a href="https://tools.ietf.org/html/rfc6455#section-5.5.2">pings</a> and receive <a href="https://tools.ietf.org/html/rfc6455#section-5.5.3">pongs</a></td><td><a href="http://godoc.org/github.com/gorilla/websocket#hdr-Control_Messages">Yes</a></td><td>No</td></tr>
<tr><td>Get the <a href="https://tools.ietf.org/html/rfc6455#section-5.6">type</a> of a received data message</td><td>Yes</td><td>Yes, see note 2</td></tr>
<tr><td colspan="3">Other Features</tr></td>
<tr><td><a href="https://tools.ietf.org/html/rfc7692">Compression Extensions</a></td><td>Experimental</td><td>No</td></tr>
<tr><td>Read message using io.Reader</td><td><a href="http://godoc.org/github.com/gorilla/websocket#Conn.NextReader">Yes</a></td><td>No, see note 3</td></tr>
<tr><td>Write message using io.WriteCloser</td><td><a href="http://godoc.org/github.com/gorilla/websocket#Conn.NextWriter">Yes</a></td><td>No, see note 3</td></tr>
</table>
Notes:
1. Large messages are fragmented in [Chrome's new WebSocket implementation](http://www.ietf.org/mail-archive/web/hybi/current/msg10503.html).
2. The application can get the type of a received data message by implementing
a [Codec marshal](http://godoc.org/golang.org/x/net/websocket#Codec.Marshal)
function.
3. The go.net io.Reader and io.Writer operate across WebSocket frame boundaries.
Read returns when the input buffer is full or a frame boundary is
encountered. Each call to Write sends a single frame message. The Gorilla
io.Reader and io.WriteCloser operate on a single WebSocket message.

77
vendor/github.com/gorilla/websocket/client.go generated vendored
View File

@@ -48,15 +48,23 @@ func NewClient(netConn net.Conn, u *url.URL, requestHeader http.Header, readBufS
} }
// A Dialer contains options for connecting to WebSocket server. // A Dialer contains options for connecting to WebSocket server.
//
// It is safe to call Dialer's methods concurrently.
type Dialer struct { type Dialer struct {
// NetDial specifies the dial function for creating TCP connections. If // NetDial specifies the dial function for creating TCP connections. If
// NetDial is nil, net.Dial is used. // NetDial is nil, net.Dial is used.
NetDial func(network, addr string) (net.Conn, error) NetDial func(network, addr string) (net.Conn, error)
// NetDialContext specifies the dial function for creating TCP connections. If // NetDialContext specifies the dial function for creating TCP connections. If
// NetDialContext is nil, net.DialContext is used. // NetDialContext is nil, NetDial is used.
NetDialContext func(ctx context.Context, network, addr string) (net.Conn, error) NetDialContext func(ctx context.Context, network, addr string) (net.Conn, error)
// NetDialTLSContext specifies the dial function for creating TLS/TCP connections. If
// NetDialTLSContext is nil, NetDialContext is used.
// If NetDialTLSContext is set, Dial assumes the TLS handshake is done there and
// TLSClientConfig is ignored.
NetDialTLSContext func(ctx context.Context, network, addr string) (net.Conn, error)
// Proxy specifies a function to return a proxy for a given // Proxy specifies a function to return a proxy for a given
// Request. If the function returns a non-nil error, the // Request. If the function returns a non-nil error, the
// request is aborted with the provided error. // request is aborted with the provided error.
@@ -65,6 +73,8 @@ type Dialer struct {
// TLSClientConfig specifies the TLS configuration to use with tls.Client. // TLSClientConfig specifies the TLS configuration to use with tls.Client.
// If nil, the default configuration is used. // If nil, the default configuration is used.
// If either NetDialTLS or NetDialTLSContext are set, Dial assumes the TLS handshake
// is done there and TLSClientConfig is ignored.
TLSClientConfig *tls.Config TLSClientConfig *tls.Config
// HandshakeTimeout specifies the duration for the handshake to complete. // HandshakeTimeout specifies the duration for the handshake to complete.
@@ -176,7 +186,7 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
} }
req := &http.Request{ req := &http.Request{
Method: "GET", Method: http.MethodGet,
URL: u, URL: u,
Proto: "HTTP/1.1", Proto: "HTTP/1.1",
ProtoMajor: 1, ProtoMajor: 1,
@@ -237,13 +247,32 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
// Get network dial function. // Get network dial function.
var netDial func(network, add string) (net.Conn, error) var netDial func(network, add string) (net.Conn, error)
if d.NetDialContext != nil { switch u.Scheme {
netDial = func(network, addr string) (net.Conn, error) { case "http":
return d.NetDialContext(ctx, network, addr) if d.NetDialContext != nil {
netDial = func(network, addr string) (net.Conn, error) {
return d.NetDialContext(ctx, network, addr)
}
} else if d.NetDial != nil {
netDial = d.NetDial
} }
} else if d.NetDial != nil { case "https":
netDial = d.NetDial if d.NetDialTLSContext != nil {
} else { netDial = func(network, addr string) (net.Conn, error) {
return d.NetDialTLSContext(ctx, network, addr)
}
} else if d.NetDialContext != nil {
netDial = func(network, addr string) (net.Conn, error) {
return d.NetDialContext(ctx, network, addr)
}
} else if d.NetDial != nil {
netDial = d.NetDial
}
default:
return nil, nil, errMalformedURL
}
if netDial == nil {
netDialer := &net.Dialer{} netDialer := &net.Dialer{}
netDial = func(network, addr string) (net.Conn, error) { netDial = func(network, addr string) (net.Conn, error) {
return netDialer.DialContext(ctx, network, addr) return netDialer.DialContext(ctx, network, addr)
@@ -304,7 +333,9 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
} }
}() }()
if u.Scheme == "https" { if u.Scheme == "https" && d.NetDialTLSContext == nil {
// If NetDialTLSContext is set, assume that the TLS handshake has already been done
cfg := cloneTLSConfig(d.TLSClientConfig) cfg := cloneTLSConfig(d.TLSClientConfig)
if cfg.ServerName == "" { if cfg.ServerName == "" {
cfg.ServerName = hostNoPort cfg.ServerName = hostNoPort
@@ -312,11 +343,12 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
tlsConn := tls.Client(netConn, cfg) tlsConn := tls.Client(netConn, cfg)
netConn = tlsConn netConn = tlsConn
var err error if trace != nil && trace.TLSHandshakeStart != nil {
if trace != nil { trace.TLSHandshakeStart()
err = doHandshakeWithTrace(trace, tlsConn, cfg) }
} else { err := doHandshake(ctx, tlsConn, cfg)
err = doHandshake(tlsConn, cfg) if trace != nil && trace.TLSHandshakeDone != nil {
trace.TLSHandshakeDone(tlsConn.ConnectionState(), err)
} }
if err != nil { if err != nil {
@@ -348,8 +380,8 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
} }
if resp.StatusCode != 101 || if resp.StatusCode != 101 ||
!strings.EqualFold(resp.Header.Get("Upgrade"), "websocket") || !tokenListContainsValue(resp.Header, "Upgrade", "websocket") ||
!strings.EqualFold(resp.Header.Get("Connection"), "upgrade") || !tokenListContainsValue(resp.Header, "Connection", "upgrade") ||
resp.Header.Get("Sec-Websocket-Accept") != computeAcceptKey(challengeKey) { resp.Header.Get("Sec-Websocket-Accept") != computeAcceptKey(challengeKey) {
// Before closing the network connection on return from this // Before closing the network connection on return from this
// function, slurp up some of the response to aid application // function, slurp up some of the response to aid application
@@ -382,14 +414,9 @@ func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader h
return conn, resp, nil return conn, resp, nil
} }
func doHandshake(tlsConn *tls.Conn, cfg *tls.Config) error { func cloneTLSConfig(cfg *tls.Config) *tls.Config {
if err := tlsConn.Handshake(); err != nil { if cfg == nil {
return err return &tls.Config{}
} }
if !cfg.InsecureSkipVerify { return cfg.Clone()
if err := tlsConn.VerifyHostname(cfg.ServerName); err != nil {
return err
}
}
return nil
} }

16
vendor/github.com/gorilla/websocket/client_clone.go generated vendored
View File

@@ -1,16 +0,0 @@
// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package websocket
import "crypto/tls"
func cloneTLSConfig(cfg *tls.Config) *tls.Config {
if cfg == nil {
return &tls.Config{}
}
return cfg.Clone()
}

38
vendor/github.com/gorilla/websocket/client_clone_legacy.go generated vendored
View File

@@ -1,38 +0,0 @@
// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8
package websocket
import "crypto/tls"
// cloneTLSConfig clones all public fields except the fields
// SessionTicketsDisabled and SessionTicketKey. This avoids copying the
// sync.Mutex in the sync.Once and makes it safe to call cloneTLSConfig on a
// config in active use.
func cloneTLSConfig(cfg *tls.Config) *tls.Config {
if cfg == nil {
return &tls.Config{}
}
return &tls.Config{
Rand: cfg.Rand,
Time: cfg.Time,
Certificates: cfg.Certificates,
NameToCertificate: cfg.NameToCertificate,
GetCertificate: cfg.GetCertificate,
RootCAs: cfg.RootCAs,
NextProtos: cfg.NextProtos,
ServerName: cfg.ServerName,
ClientAuth: cfg.ClientAuth,
ClientCAs: cfg.ClientCAs,
InsecureSkipVerify: cfg.InsecureSkipVerify,
CipherSuites: cfg.CipherSuites,
PreferServerCipherSuites: cfg.PreferServerCipherSuites,
ClientSessionCache: cfg.ClientSessionCache,
MinVersion: cfg.MinVersion,
MaxVersion: cfg.MaxVersion,
CurvePreferences: cfg.CurvePreferences,
}
}

63
vendor/github.com/gorilla/websocket/conn.go generated vendored
View File

@@ -13,6 +13,7 @@ import (
"math/rand" "math/rand"
"net" "net"
"strconv" "strconv"
"strings"
"sync" "sync"
"time" "time"
"unicode/utf8" "unicode/utf8"
@@ -401,6 +402,12 @@ func (c *Conn) write(frameType int, deadline time.Time, buf0, buf1 []byte) error
return nil return nil
} }
func (c *Conn) writeBufs(bufs ...[]byte) error {
b := net.Buffers(bufs)
_, err := b.WriteTo(c.conn)
return err
}
// WriteControl writes a control message with the given deadline. The allowed // WriteControl writes a control message with the given deadline. The allowed
// message types are CloseMessage, PingMessage and PongMessage. // message types are CloseMessage, PingMessage and PongMessage.
func (c *Conn) WriteControl(messageType int, data []byte, deadline time.Time) error { func (c *Conn) WriteControl(messageType int, data []byte, deadline time.Time) error {
@@ -794,47 +801,69 @@ func (c *Conn) advanceFrame() (int, error) {
} }
// 2. Read and parse first two bytes of frame header. // 2. Read and parse first two bytes of frame header.
// To aid debugging, collect and report all errors in the first two bytes
// of the header.
var errors []string
p, err := c.read(2) p, err := c.read(2)
if err != nil { if err != nil {
return noFrame, err return noFrame, err
} }
final := p[0]&finalBit != 0
frameType := int(p[0] & 0xf) frameType := int(p[0] & 0xf)
final := p[0]&finalBit != 0
rsv1 := p[0]&rsv1Bit != 0
rsv2 := p[0]&rsv2Bit != 0
rsv3 := p[0]&rsv3Bit != 0
mask := p[1]&maskBit != 0 mask := p[1]&maskBit != 0
c.setReadRemaining(int64(p[1] & 0x7f)) c.setReadRemaining(int64(p[1] & 0x7f))
c.readDecompress = false c.readDecompress = false
if c.newDecompressionReader != nil && (p[0]&rsv1Bit) != 0 { if rsv1 {
c.readDecompress = true if c.newDecompressionReader != nil {
p[0] &^= rsv1Bit c.readDecompress = true
} else {
errors = append(errors, "RSV1 set")
}
} }
if rsv := p[0] & (rsv1Bit | rsv2Bit | rsv3Bit); rsv != 0 { if rsv2 {
return noFrame, c.handleProtocolError("unexpected reserved bits 0x" + strconv.FormatInt(int64(rsv), 16)) errors = append(errors, "RSV2 set")
}
if rsv3 {
errors = append(errors, "RSV3 set")
} }
switch frameType { switch frameType {
case CloseMessage, PingMessage, PongMessage: case CloseMessage, PingMessage, PongMessage:
if c.readRemaining > maxControlFramePayloadSize { if c.readRemaining > maxControlFramePayloadSize {
return noFrame, c.handleProtocolError("control frame length > 125") errors = append(errors, "len > 125 for control")
} }
if !final { if !final {
return noFrame, c.handleProtocolError("control frame not final") errors = append(errors, "FIN not set on control")
} }
case TextMessage, BinaryMessage: case TextMessage, BinaryMessage:
if !c.readFinal { if !c.readFinal {
return noFrame, c.handleProtocolError("message start before final message frame") errors = append(errors, "data before FIN")
} }
c.readFinal = final c.readFinal = final
case continuationFrame: case continuationFrame:
if c.readFinal { if c.readFinal {
return noFrame, c.handleProtocolError("continuation after final message frame") errors = append(errors, "continuation after FIN")
} }
c.readFinal = final c.readFinal = final
default: default:
return noFrame, c.handleProtocolError("unknown opcode " + strconv.Itoa(frameType)) errors = append(errors, "bad opcode "+strconv.Itoa(frameType))
}
if mask != c.isServer {
errors = append(errors, "bad MASK")
}
if len(errors) > 0 {
return noFrame, c.handleProtocolError(strings.Join(errors, ", "))
} }
// 3. Read and parse frame length as per // 3. Read and parse frame length as per
@@ -872,10 +901,6 @@ func (c *Conn) advanceFrame() (int, error) {
// 4. Handle frame masking. // 4. Handle frame masking.
if mask != c.isServer {
return noFrame, c.handleProtocolError("incorrect mask flag")
}
if mask { if mask {
c.readMaskPos = 0 c.readMaskPos = 0
p, err := c.read(len(c.readMaskKey)) p, err := c.read(len(c.readMaskKey))
@@ -935,7 +960,7 @@ func (c *Conn) advanceFrame() (int, error) {
if len(payload) >= 2 { if len(payload) >= 2 {
closeCode = int(binary.BigEndian.Uint16(payload)) closeCode = int(binary.BigEndian.Uint16(payload))
if !isValidReceivedCloseCode(closeCode) { if !isValidReceivedCloseCode(closeCode) {
return noFrame, c.handleProtocolError("invalid close code") return noFrame, c.handleProtocolError("bad close code " + strconv.Itoa(closeCode))
} }
closeText = string(payload[2:]) closeText = string(payload[2:])
if !utf8.ValidString(closeText) { if !utf8.ValidString(closeText) {
@@ -952,7 +977,11 @@ func (c *Conn) advanceFrame() (int, error) {
} }
func (c *Conn) handleProtocolError(message string) error { func (c *Conn) handleProtocolError(message string) error {
c.WriteControl(CloseMessage, FormatCloseMessage(CloseProtocolError, message), time.Now().Add(writeWait)) data := FormatCloseMessage(CloseProtocolError, message)
if len(data) > maxControlFramePayloadSize {
data = data[:maxControlFramePayloadSize]
}
c.WriteControl(CloseMessage, data, time.Now().Add(writeWait))
return errors.New("websocket: " + message) return errors.New("websocket: " + message)
} }

15
vendor/github.com/gorilla/websocket/conn_write.go generated vendored
View File

@@ -1,15 +0,0 @@
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package websocket
import "net"
func (c *Conn) writeBufs(bufs ...[]byte) error {
b := net.Buffers(bufs)
_, err := b.WriteTo(c.conn)
return err
}

18
vendor/github.com/gorilla/websocket/conn_write_legacy.go generated vendored
View File

@@ -1,18 +0,0 @@
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8
package websocket
func (c *Conn) writeBufs(bufs ...[]byte) error {
for _, buf := range bufs {
if len(buf) > 0 {
if _, err := c.conn.Write(buf); err != nil {
return err
}
}
}
return nil
}

3
vendor/github.com/gorilla/websocket/go.mod generated vendored
View File

@@ -1,3 +0,0 @@
module github.com/gorilla/websocket
go 1.12

0
vendor/github.com/gorilla/websocket/go.sum generated vendored
View File

1
vendor/github.com/gorilla/websocket/mask.go generated vendored
View File

@@ -2,6 +2,7 @@
// this source code is governed by a BSD-style license that can be found in the // this source code is governed by a BSD-style license that can be found in the
// LICENSE file. // LICENSE file.
//go:build !appengine
// +build !appengine // +build !appengine
package websocket package websocket

1
vendor/github.com/gorilla/websocket/mask_safe.go generated vendored
View File

@@ -2,6 +2,7 @@
// this source code is governed by a BSD-style license that can be found in the // this source code is governed by a BSD-style license that can be found in the
// LICENSE file. // LICENSE file.
//go:build appengine
// +build appengine // +build appengine
package websocket package websocket

2
vendor/github.com/gorilla/websocket/proxy.go generated vendored
View File

@@ -48,7 +48,7 @@ func (hpd *httpProxyDialer) Dial(network string, addr string) (net.Conn, error)
} }
connectReq := &http.Request{ connectReq := &http.Request{
Method: "CONNECT", Method: http.MethodConnect,
URL: &url.URL{Opaque: addr}, URL: &url.URL{Opaque: addr},
Host: addr, Host: addr,
Header: connectHeader, Header: connectHeader,

8
vendor/github.com/gorilla/websocket/server.go generated vendored
View File

@@ -23,6 +23,8 @@ func (e HandshakeError) Error() string { return e.message }
// Upgrader specifies parameters for upgrading an HTTP connection to a // Upgrader specifies parameters for upgrading an HTTP connection to a
// WebSocket connection. // WebSocket connection.
//
// It is safe to call Upgrader's methods concurrently.
type Upgrader struct { type Upgrader struct {
// HandshakeTimeout specifies the duration for the handshake to complete. // HandshakeTimeout specifies the duration for the handshake to complete.
HandshakeTimeout time.Duration HandshakeTimeout time.Duration
@@ -115,8 +117,8 @@ func (u *Upgrader) selectSubprotocol(r *http.Request, responseHeader http.Header
// Upgrade upgrades the HTTP server connection to the WebSocket protocol. // Upgrade upgrades the HTTP server connection to the WebSocket protocol.
// //
// The responseHeader is included in the response to the client's upgrade // The responseHeader is included in the response to the client's upgrade
// request. Use the responseHeader to specify cookies (Set-Cookie) and the // request. Use the responseHeader to specify cookies (Set-Cookie). To specify
// application negotiated subprotocol (Sec-WebSocket-Protocol). // subprotocols supported by the server, set Upgrader.Subprotocols directly.
// //
// If the upgrade fails, then Upgrade replies to the client with an HTTP error // If the upgrade fails, then Upgrade replies to the client with an HTTP error
// response. // response.
@@ -131,7 +133,7 @@ func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeade
return u.returnError(w, r, http.StatusBadRequest, badHandshake+"'websocket' token not found in 'Upgrade' header") return u.returnError(w, r, http.StatusBadRequest, badHandshake+"'websocket' token not found in 'Upgrade' header")
} }
if r.Method != "GET" { if r.Method != http.MethodGet {
return u.returnError(w, r, http.StatusMethodNotAllowed, badHandshake+"request method is not GET") return u.returnError(w, r, http.StatusMethodNotAllowed, badHandshake+"request method is not GET")
} }

21
vendor/github.com/gorilla/websocket/tls_handshake.go generated vendored Normal file
View File

@@ -0,0 +1,21 @@
//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.HandshakeContext(ctx); err != nil {
return err
}
if !cfg.InsecureSkipVerify {
if err := tlsConn.VerifyHostname(cfg.ServerName); err != nil {
return err
}
}
return nil
}

21
vendor/github.com/gorilla/websocket/tls_handshake_116.go generated vendored Normal file
View File

@@ -0,0 +1,21 @@
//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
}

19
vendor/github.com/gorilla/websocket/trace.go generated vendored
View File

@@ -1,19 +0,0 @@
// +build go1.8
package websocket
import (
"crypto/tls"
"net/http/httptrace"
)
func doHandshakeWithTrace(trace *httptrace.ClientTrace, tlsConn *tls.Conn, cfg *tls.Config) error {
if trace.TLSHandshakeStart != nil {
trace.TLSHandshakeStart()
}
err := doHandshake(tlsConn, cfg)
if trace.TLSHandshakeDone != nil {
trace.TLSHandshakeDone(tlsConn.ConnectionState(), err)
}
return err
}

12
vendor/github.com/gorilla/websocket/trace_17.go generated vendored
View File

@@ -1,12 +0,0 @@
// +build !go1.8
package websocket
import (
"crypto/tls"
"net/http/httptrace"
)
func doHandshakeWithTrace(trace *httptrace.ClientTrace, tlsConn *tls.Conn, cfg *tls.Config) error {
return doHandshake(tlsConn, cfg)
}

5
vendor/github.com/jessevdk/go-flags/go.mod generated vendored
View File

@@ -1,5 +0,0 @@
module github.com/jessevdk/go-flags
go 1.15
require golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4

2
vendor/github.com/jessevdk/go-flags/go.sum generated vendored
View File

@@ -1,2 +0,0 @@
golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4 h1:EZ2mChiOa8udjfp6rRmswTbtZN/QzUQp4ptM4rnjHvc=
golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

2
vendor/github.com/prometheus/client_golang/prometheus/README.md generated vendored
View File

@@ -1 +1 @@
See [![go-doc](https://godoc.org/github.com/prometheus/client_golang/prometheus?status.svg)](https://godoc.org/github.com/prometheus/client_golang/prometheus). See [![Go Reference](https://pkg.go.dev/badge/github.com/prometheus/client_golang/prometheus.svg)](https://pkg.go.dev/github.com/prometheus/client_golang/prometheus).

38
vendor/github.com/prometheus/client_golang/prometheus/build_info_collector.go generated vendored Normal file
View File

@@ -0,0 +1,38 @@
// Copyright 2021 The Prometheus Authors
// 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 prometheus
import "runtime/debug"
// NewBuildInfoCollector is the obsolete version of collectors.NewBuildInfoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewBuildInfoCollector instead.
func NewBuildInfoCollector() Collector {
path, version, sum := "unknown", "unknown", "unknown"
if bi, ok := debug.ReadBuildInfo(); ok {
path = bi.Main.Path
version = bi.Main.Version
sum = bi.Main.Sum
}
c := &selfCollector{MustNewConstMetric(
NewDesc(
"go_build_info",
"Build information about the main Go module.",
nil, Labels{"path": path, "version": version, "checksum": sum},
),
GaugeValue, 1)}
c.init(c.self)
return c
}

14
vendor/github.com/prometheus/client_golang/prometheus/collector.go generated vendored
View File

@@ -69,9 +69,9 @@ type Collector interface {
// If a Collector collects the same metrics throughout its lifetime, its // If a Collector collects the same metrics throughout its lifetime, its
// Describe method can simply be implemented as: // Describe method can simply be implemented as:
// //
// func (c customCollector) Describe(ch chan<- *Desc) { // func (c customCollector) Describe(ch chan<- *Desc) {
// DescribeByCollect(c, ch) // DescribeByCollect(c, ch)
// } // }
// //
// However, this will not work if the metrics collected change dynamically over // However, this will not work if the metrics collected change dynamically over
// the lifetime of the Collector in a way that their combined set of descriptors // the lifetime of the Collector in a way that their combined set of descriptors
@@ -118,3 +118,11 @@ func (c *selfCollector) Describe(ch chan<- *Desc) {
func (c *selfCollector) Collect(ch chan<- Metric) { func (c *selfCollector) Collect(ch chan<- Metric) {
ch <- c.self ch <- c.self
} }
// collectorMetric is a metric that is also a collector.
// Because of selfCollector, most (if not all) Metrics in
// this package are also collectors.
type collectorMetric interface {
Metric
Collector
}

17
vendor/github.com/prometheus/client_golang/prometheus/counter.go generated vendored
View File

@@ -51,7 +51,7 @@ type Counter interface {
// will lead to a valid (label-less) exemplar. But if Labels is nil, the current // will lead to a valid (label-less) exemplar. But if Labels is nil, the current
// exemplar is left in place. AddWithExemplar panics if the value is < 0, if any // exemplar is left in place. AddWithExemplar panics if the value is < 0, if any
// of the provided labels are invalid, or if the provided labels contain more // of the provided labels are invalid, or if the provided labels contain more
// than 64 runes in total. // than 128 runes in total.
type ExemplarAdder interface { type ExemplarAdder interface {
AddWithExemplar(value float64, exemplar Labels) AddWithExemplar(value float64, exemplar Labels)
} }
@@ -133,15 +133,20 @@ func (c *counter) Inc() {
atomic.AddUint64(&c.valInt, 1) atomic.AddUint64(&c.valInt, 1)
} }
func (c *counter) Write(out *dto.Metric) error { func (c *counter) get() float64 {
fval := math.Float64frombits(atomic.LoadUint64(&c.valBits)) fval := math.Float64frombits(atomic.LoadUint64(&c.valBits))
ival := atomic.LoadUint64(&c.valInt) ival := atomic.LoadUint64(&c.valInt)
val := fval + float64(ival) return fval + float64(ival)
}
func (c *counter) Write(out *dto.Metric) error {
// Read the Exemplar first and the value second. This is to avoid a race condition
// where users see an exemplar for a not-yet-existing observation.
var exemplar *dto.Exemplar var exemplar *dto.Exemplar
if e := c.exemplar.Load(); e != nil { if e := c.exemplar.Load(); e != nil {
exemplar = e.(*dto.Exemplar) exemplar = e.(*dto.Exemplar)
} }
val := c.get()
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out) return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
} }
@@ -241,7 +246,8 @@ func (v *CounterVec) GetMetricWith(labels Labels) (Counter, error) {
// WithLabelValues works as GetMetricWithLabelValues, but panics where // WithLabelValues works as GetMetricWithLabelValues, but panics where
// GetMetricWithLabelValues would have returned an error. Not returning an // GetMetricWithLabelValues would have returned an error. Not returning an
// error allows shortcuts like // error allows shortcuts like
// myVec.WithLabelValues("404", "GET").Add(42) //
// myVec.WithLabelValues("404", "GET").Add(42)
func (v *CounterVec) WithLabelValues(lvs ...string) Counter { func (v *CounterVec) WithLabelValues(lvs ...string) Counter {
c, err := v.GetMetricWithLabelValues(lvs...) c, err := v.GetMetricWithLabelValues(lvs...)
if err != nil { if err != nil {
@@ -252,7 +258,8 @@ func (v *CounterVec) WithLabelValues(lvs ...string) Counter {
// With works as GetMetricWith, but panics where GetMetricWithLabels would have // With works as GetMetricWith, but panics where GetMetricWithLabels would have
// returned an error. Not returning an error allows shortcuts like // returned an error. Not returning an error allows shortcuts like
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42) //
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
func (v *CounterVec) With(labels Labels) Counter { func (v *CounterVec) With(labels Labels) Counter {
c, err := v.GetMetricWith(labels) c, err := v.GetMetricWith(labels)
if err != nil { if err != nil {

5
vendor/github.com/prometheus/client_golang/prometheus/desc.go generated vendored
View File

@@ -20,6 +20,9 @@ import (
"strings" "strings"
"github.com/cespare/xxhash/v2" "github.com/cespare/xxhash/v2"
"github.com/prometheus/client_golang/prometheus/internal"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility. //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto" "github.com/golang/protobuf/proto"
"github.com/prometheus/common/model" "github.com/prometheus/common/model"
@@ -154,7 +157,7 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
Value: proto.String(v), Value: proto.String(v),
}) })
} }
sort.Sort(labelPairSorter(d.constLabelPairs)) sort.Sort(internal.LabelPairSorter(d.constLabelPairs))
return d return d
} }

93
vendor/github.com/prometheus/client_golang/prometheus/doc.go generated vendored
View File

@@ -21,55 +21,66 @@
// All exported functions and methods are safe to be used concurrently unless // All exported functions and methods are safe to be used concurrently unless
// specified otherwise. // specified otherwise.
// //
// A Basic Example // # A Basic Example
// //
// As a starting point, a very basic usage example: // As a starting point, a very basic usage example:
// //
// package main // package main
// //
// import ( // import (
// "log" // "log"
// "net/http" // "net/http"
// //
// "github.com/prometheus/client_golang/prometheus" // "github.com/prometheus/client_golang/prometheus"
// "github.com/prometheus/client_golang/prometheus/promhttp" // "github.com/prometheus/client_golang/prometheus/promhttp"
// ) // )
// //
// var ( // type metrics struct {
// cpuTemp = prometheus.NewGauge(prometheus.GaugeOpts{ // cpuTemp prometheus.Gauge
// Name: "cpu_temperature_celsius", // hdFailures *prometheus.CounterVec
// Help: "Current temperature of the CPU.", // }
// })
// hdFailures = prometheus.NewCounterVec(
// prometheus.CounterOpts{
// Name: "hd_errors_total",
// Help: "Number of hard-disk errors.",
// },
// []string{"device"},
// )
// )
// //
// func init() { // func NewMetrics(reg prometheus.Registerer) *metrics {
// // Metrics have to be registered to be exposed: // m := &metrics{
// prometheus.MustRegister(cpuTemp) // cpuTemp: prometheus.NewGauge(prometheus.GaugeOpts{
// prometheus.MustRegister(hdFailures) // Name: "cpu_temperature_celsius",
// } // Help: "Current temperature of the CPU.",
// }),
// hdFailures: prometheus.NewCounterVec(
// prometheus.CounterOpts{
// Name: "hd_errors_total",
// Help: "Number of hard-disk errors.",
// },
// []string{"device"},
// ),
// }
// reg.MustRegister(m.cpuTemp)
// reg.MustRegister(m.hdFailures)
// return m
// }
// //
// func main() { // func main() {
// cpuTemp.Set(65.3) // // Create a non-global registry.
// hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc() // reg := prometheus.NewRegistry()
// //
// // The Handler function provides a default handler to expose metrics // // Create new metrics and register them using the custom registry.
// // via an HTTP server. "/metrics" is the usual endpoint for that. // m := NewMetrics(reg)
// http.Handle("/metrics", promhttp.Handler()) // // Set values for the new created metrics.
// log.Fatal(http.ListenAndServe(":8080", nil)) // m.cpuTemp.Set(65.3)
// } // m.hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc()
// //
// // Expose metrics and custom registry via an HTTP server
// // using the HandleFor function. "/metrics" is the usual endpoint for that.
// http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg}))
// log.Fatal(http.ListenAndServe(":8080", nil))
// }
// //
// This is a complete program that exports two metrics, a Gauge and a Counter, // This is a complete program that exports two metrics, a Gauge and a Counter,
// the latter with a label attached to turn it into a (one-dimensional) vector. // the latter with a label attached to turn it into a (one-dimensional) vector.
// It register the metrics using a custom registry and exposes them via an HTTP server
// on the /metrics endpoint.
// //
// Metrics // # Metrics
// //
// The number of exported identifiers in this package might appear a bit // The number of exported identifiers in this package might appear a bit
// overwhelming. However, in addition to the basic plumbing shown in the example // overwhelming. However, in addition to the basic plumbing shown in the example
@@ -100,7 +111,7 @@
// To create instances of Metrics and their vector versions, you need a suitable // To create instances of Metrics and their vector versions, you need a suitable
// …Opts struct, i.e. GaugeOpts, CounterOpts, SummaryOpts, or HistogramOpts. // …Opts struct, i.e. GaugeOpts, CounterOpts, SummaryOpts, or HistogramOpts.
// //
// Custom Collectors and constant Metrics // # Custom Collectors and constant Metrics
// //
// While you could create your own implementations of Metric, most likely you // While you could create your own implementations of Metric, most likely you
// will only ever implement the Collector interface on your own. At a first // will only ever implement the Collector interface on your own. At a first
@@ -141,7 +152,7 @@
// a metric, GaugeFunc, CounterFunc, or UntypedFunc might be interesting // a metric, GaugeFunc, CounterFunc, or UntypedFunc might be interesting
// shortcuts. // shortcuts.
// //
// Advanced Uses of the Registry // # Advanced Uses of the Registry
// //
// While MustRegister is the by far most common way of registering a Collector, // While MustRegister is the by far most common way of registering a Collector,
// sometimes you might want to handle the errors the registration might cause. // sometimes you might want to handle the errors the registration might cause.
@@ -176,23 +187,23 @@
// NewProcessCollector). With a custom registry, you are in control and decide // NewProcessCollector). With a custom registry, you are in control and decide
// yourself about the Collectors to register. // yourself about the Collectors to register.
// //
// HTTP Exposition // # HTTP Exposition
// //
// The Registry implements the Gatherer interface. The caller of the Gather // The Registry implements the Gatherer interface. The caller of the Gather
// method can then expose the gathered metrics in some way. Usually, the metrics // method can then expose the gathered metrics in some way. Usually, the metrics
// are served via HTTP on the /metrics endpoint. That's happening in the example // are served via HTTP on the /metrics endpoint. That's happening in the example
// above. The tools to expose metrics via HTTP are in the promhttp sub-package. // above. The tools to expose metrics via HTTP are in the promhttp sub-package.
// //
// Pushing to the Pushgateway // # Pushing to the Pushgateway
// //
// Function for pushing to the Pushgateway can be found in the push sub-package. // Function for pushing to the Pushgateway can be found in the push sub-package.
// //
// Graphite Bridge // # Graphite Bridge
// //
// Functions and examples to push metrics from a Gatherer to Graphite can be // Functions and examples to push metrics from a Gatherer to Graphite can be
// found in the graphite sub-package. // found in the graphite sub-package.
// //
// Other Means of Exposition // # Other Means of Exposition
// //
// More ways of exposing metrics can easily be added by following the approaches // More ways of exposing metrics can easily be added by following the approaches
// of the existing implementations. // of the existing implementations.

39
vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go generated vendored
View File

@@ -22,43 +22,10 @@ type expvarCollector struct {
exports map[string]*Desc exports map[string]*Desc
} }
// NewExpvarCollector returns a newly allocated expvar Collector that still has // NewExpvarCollector is the obsolete version of collectors.NewExpvarCollector.
// to be registered with a Prometheus registry. // See there for documentation.
// //
// An expvar Collector collects metrics from the expvar interface. It provides a // Deprecated: Use collectors.NewExpvarCollector instead.
// quick way to expose numeric values that are already exported via expvar as
// Prometheus metrics. Note that the data models of expvar and Prometheus are
// fundamentally different, and that the expvar Collector is inherently slower
// than native Prometheus metrics. Thus, the expvar Collector is probably great
// for experiments and prototying, but you should seriously consider a more
// direct implementation of Prometheus metrics for monitoring production
// systems.
//
// The exports map has the following meaning:
//
// The keys in the map correspond to expvar keys, i.e. for every expvar key you
// want to export as Prometheus metric, you need an entry in the exports
// map. The descriptor mapped to each key describes how to export the expvar
// value. It defines the name and the help string of the Prometheus metric
// proxying the expvar value. The type will always be Untyped.
//
// For descriptors without variable labels, the expvar value must be a number or
// a bool. The number is then directly exported as the Prometheus sample
// value. (For a bool, 'false' translates to 0 and 'true' to 1). Expvar values
// that are not numbers or bools are silently ignored.
//
// If the descriptor has one variable label, the expvar value must be an expvar
// map. The keys in the expvar map become the various values of the one
// Prometheus label. The values in the expvar map must be numbers or bools again
// as above.
//
// For descriptors with more than one variable label, the expvar must be a
// nested expvar map, i.e. where the values of the topmost map are maps again
// etc. until a depth is reached that corresponds to the number of labels. The
// leaves of that structure must be numbers or bools as above to serve as the
// sample values.
//
// Anything that does not fit into the scheme above is silently ignored.
func NewExpvarCollector(exports map[string]*Desc) Collector { func NewExpvarCollector(exports map[string]*Desc) Collector {
return &expvarCollector{ return &expvarCollector{
exports: exports, exports: exports,

6
vendor/github.com/prometheus/client_golang/prometheus/gauge.go generated vendored
View File

@@ -210,7 +210,8 @@ func (v *GaugeVec) GetMetricWith(labels Labels) (Gauge, error) {
// WithLabelValues works as GetMetricWithLabelValues, but panics where // WithLabelValues works as GetMetricWithLabelValues, but panics where
// GetMetricWithLabelValues would have returned an error. Not returning an // GetMetricWithLabelValues would have returned an error. Not returning an
// error allows shortcuts like // error allows shortcuts like
// myVec.WithLabelValues("404", "GET").Add(42) //
// myVec.WithLabelValues("404", "GET").Add(42)
func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge { func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge {
g, err := v.GetMetricWithLabelValues(lvs...) g, err := v.GetMetricWithLabelValues(lvs...)
if err != nil { if err != nil {
@@ -221,7 +222,8 @@ func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge {
// With works as GetMetricWith, but panics where GetMetricWithLabels would have // With works as GetMetricWith, but panics where GetMetricWithLabels would have
// returned an error. Not returning an error allows shortcuts like // returned an error. Not returning an error allows shortcuts like
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42) //
// myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
func (v *GaugeVec) With(labels Labels) Gauge { func (v *GaugeVec) With(labels Labels) Gauge {
g, err := v.GetMetricWith(labels) g, err := v.GetMetricWith(labels)
if err != nil { if err != nil {

26
vendor/github.com/prometheus/client_golang/prometheus/get_pid.go generated vendored Normal file
View File

@@ -0,0 +1,26 @@
// Copyright 2015 The Prometheus Authors
// 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.
//go:build !js || wasm
// +build !js wasm
package prometheus
import "os"
func getPIDFn() func() (int, error) {
pid := os.Getpid()
return func() (int, error) {
return pid, nil
}
}

23
vendor/github.com/prometheus/client_golang/prometheus/get_pid_gopherjs.go generated vendored Normal file
View File

@@ -0,0 +1,23 @@
// Copyright 2015 The Prometheus Authors
// 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.
//go:build js && !wasm
// +build js,!wasm
package prometheus
func getPIDFn() func() (int, error) {
return func() (int, error) {
return 1, nil
}
}

531
vendor/github.com/prometheus/client_golang/prometheus/go_collector.go generated vendored
View File

@@ -16,54 +16,205 @@ package prometheus
import ( import (
"runtime" "runtime"
"runtime/debug" "runtime/debug"
"sync"
"time" "time"
) )
type goCollector struct { // 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.
func goRuntimeMemStats() memStatsMetrics {
return memStatsMetrics{
{
desc: NewDesc(
memstatNamespace("alloc_bytes"),
"Number of bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("alloc_bytes_total"),
"Total number of bytes allocated, even if freed.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("sys_bytes"),
"Number of bytes obtained from system.",
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.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("frees_total"),
"Total number of frees.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("heap_alloc_bytes"),
"Number of heap bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_sys_bytes"),
"Number of heap bytes obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_idle_bytes"),
"Number of heap bytes waiting to be used.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_inuse_bytes"),
"Number of heap bytes that are in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_released_bytes"),
"Number of heap bytes released to OS.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_objects"),
"Number of allocated objects.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_inuse_bytes"),
"Number of bytes in use by the stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_sys_bytes"),
"Number of bytes obtained from system for stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_inuse_bytes"),
"Number of bytes in use by mspan structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_sys_bytes"),
"Number of bytes used for mspan structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_inuse_bytes"),
"Number of bytes in use by mcache structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_sys_bytes"),
"Number of bytes used for mcache structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("buck_hash_sys_bytes"),
"Number of bytes used by the profiling bucket hash table.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_sys_bytes"),
"Number of bytes used for garbage collection system metadata.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("other_sys_bytes"),
"Number of bytes used for other system allocations.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("next_gc_bytes"),
"Number of heap bytes when next garbage collection will take place.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) },
valType: GaugeValue,
},
}
}
type baseGoCollector struct {
goroutinesDesc *Desc goroutinesDesc *Desc
threadsDesc *Desc threadsDesc *Desc
gcDesc *Desc gcDesc *Desc
gcLastTimeDesc *Desc
goInfoDesc *Desc goInfoDesc *Desc
// ms... are memstats related.
msLast *runtime.MemStats // Previously collected memstats.
msLastTimestamp time.Time
msMtx sync.Mutex // Protects msLast and msLastTimestamp.
msMetrics memStatsMetrics
msRead func(*runtime.MemStats) // For mocking in tests.
msMaxWait time.Duration // Wait time for fresh memstats.
msMaxAge time.Duration // Maximum allowed age of old memstats.
} }
// NewGoCollector returns a collector that exports metrics about the current Go func newBaseGoCollector() baseGoCollector {
// process. This includes memory stats. To collect those, runtime.ReadMemStats return baseGoCollector{
// is called. This requires to “stop the world”, which usually only happens for
// garbage collection (GC). Take the following implications into account when
// deciding whether to use the Go collector:
//
// 1. The performance impact of stopping the world is the more relevant the more
// frequently metrics are collected. However, with Go1.9 or later the
// stop-the-world time per metrics collection is very short (~25µs) so that the
// performance impact will only matter in rare cases. However, with older Go
// versions, the stop-the-world duration depends on the heap size and can be
// quite significant (~1.7 ms/GiB as per
// https://go-review.googlesource.com/c/go/+/34937).
//
// 2. During an ongoing GC, nothing else can stop the world. Therefore, if the
// metrics collection happens to coincide with GC, it will only complete after
// GC has finished. Usually, GC is fast enough to not cause problems. However,
// with a very large heap, GC might take multiple seconds, which is enough to
// cause scrape timeouts in common setups. To avoid this problem, the Go
// collector will use the memstats from a previous collection if
// runtime.ReadMemStats takes more than 1s. However, if there are no previously
// collected memstats, or their collection is more than 5m ago, the collection
// will block until runtime.ReadMemStats succeeds.
//
// NOTE: The problem is solved in Go 1.15, see
// https://github.com/golang/go/issues/19812 for the related Go issue.
func NewGoCollector() Collector {
return &goCollector{
goroutinesDesc: NewDesc( goroutinesDesc: NewDesc(
"go_goroutines", "go_goroutines",
"Number of goroutines that currently exist.", "Number of goroutines that currently exist.",
@@ -76,246 +227,32 @@ func NewGoCollector() Collector {
"go_gc_duration_seconds", "go_gc_duration_seconds",
"A summary of the pause duration of garbage collection cycles.", "A summary of the pause duration of garbage collection cycles.",
nil, nil), nil, nil),
gcLastTimeDesc: NewDesc(
"go_memstats_last_gc_time_seconds",
"Number of seconds since 1970 of last garbage collection.",
nil, nil),
goInfoDesc: NewDesc( goInfoDesc: NewDesc(
"go_info", "go_info",
"Information about the Go environment.", "Information about the Go environment.",
nil, Labels{"version": runtime.Version()}), nil, Labels{"version": runtime.Version()}),
msLast: &runtime.MemStats{},
msRead: runtime.ReadMemStats,
msMaxWait: time.Second,
msMaxAge: 5 * time.Minute,
msMetrics: memStatsMetrics{
{
desc: NewDesc(
memstatNamespace("alloc_bytes"),
"Number of bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("alloc_bytes_total"),
"Total number of bytes allocated, even if freed.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("sys_bytes"),
"Number of bytes obtained from system.",
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.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("frees_total"),
"Total number of frees.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("heap_alloc_bytes"),
"Number of heap bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_sys_bytes"),
"Number of heap bytes obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_idle_bytes"),
"Number of heap bytes waiting to be used.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_inuse_bytes"),
"Number of heap bytes that are in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_released_bytes"),
"Number of heap bytes released to OS.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_objects"),
"Number of allocated objects.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_inuse_bytes"),
"Number of bytes in use by the stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_sys_bytes"),
"Number of bytes obtained from system for stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_inuse_bytes"),
"Number of bytes in use by mspan structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_sys_bytes"),
"Number of bytes used for mspan structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_inuse_bytes"),
"Number of bytes in use by mcache structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_sys_bytes"),
"Number of bytes used for mcache structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("buck_hash_sys_bytes"),
"Number of bytes used by the profiling bucket hash table.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_sys_bytes"),
"Number of bytes used for garbage collection system metadata.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("other_sys_bytes"),
"Number of bytes used for other system allocations.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("next_gc_bytes"),
"Number of heap bytes when next garbage collection will take place.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("last_gc_time_seconds"),
"Number of seconds since 1970 of last garbage collection.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.LastGC) / 1e9 },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_cpu_fraction"),
"The fraction of this program's available CPU time used by the GC since the program started.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction },
valType: GaugeValue,
},
},
} }
} }
func memstatNamespace(s string) string {
return "go_memstats_" + s
}
// Describe returns all descriptions of the collector. // Describe returns all descriptions of the collector.
func (c *goCollector) Describe(ch chan<- *Desc) { func (c *baseGoCollector) Describe(ch chan<- *Desc) {
ch <- c.goroutinesDesc ch <- c.goroutinesDesc
ch <- c.threadsDesc ch <- c.threadsDesc
ch <- c.gcDesc ch <- c.gcDesc
ch <- c.gcLastTimeDesc
ch <- c.goInfoDesc ch <- c.goInfoDesc
for _, i := range c.msMetrics {
ch <- i.desc
}
} }
// Collect returns the current state of all metrics of the collector. // Collect returns the current state of all metrics of the collector.
func (c *goCollector) Collect(ch chan<- Metric) { func (c *baseGoCollector) Collect(ch chan<- Metric) {
var (
ms = &runtime.MemStats{}
done = make(chan struct{})
)
// Start reading memstats first as it might take a while.
go func() {
c.msRead(ms)
c.msMtx.Lock()
c.msLast = ms
c.msLastTimestamp = time.Now()
c.msMtx.Unlock()
close(done)
}()
ch <- MustNewConstMetric(c.goroutinesDesc, GaugeValue, float64(runtime.NumGoroutine())) ch <- MustNewConstMetric(c.goroutinesDesc, GaugeValue, float64(runtime.NumGoroutine()))
n, _ := runtime.ThreadCreateProfile(nil)
ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, float64(n)) n := getRuntimeNumThreads()
ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, n)
var stats debug.GCStats var stats debug.GCStats
stats.PauseQuantiles = make([]time.Duration, 5) stats.PauseQuantiles = make([]time.Duration, 5)
@@ -327,76 +264,18 @@ func (c *goCollector) Collect(ch chan<- Metric) {
} }
quantiles[0.0] = stats.PauseQuantiles[0].Seconds() quantiles[0.0] = stats.PauseQuantiles[0].Seconds()
ch <- MustNewConstSummary(c.gcDesc, uint64(stats.NumGC), stats.PauseTotal.Seconds(), quantiles) ch <- MustNewConstSummary(c.gcDesc, uint64(stats.NumGC), stats.PauseTotal.Seconds(), quantiles)
ch <- MustNewConstMetric(c.gcLastTimeDesc, GaugeValue, float64(stats.LastGC.UnixNano())/1e9)
ch <- MustNewConstMetric(c.goInfoDesc, GaugeValue, 1) ch <- MustNewConstMetric(c.goInfoDesc, GaugeValue, 1)
timer := time.NewTimer(c.msMaxWait)
select {
case <-done: // Our own ReadMemStats succeeded in time. Use it.
timer.Stop() // Important for high collection frequencies to not pile up timers.
c.msCollect(ch, ms)
return
case <-timer.C: // Time out, use last memstats if possible. Continue below.
}
c.msMtx.Lock()
if time.Since(c.msLastTimestamp) < c.msMaxAge {
// Last memstats are recent enough. Collect from them under the lock.
c.msCollect(ch, c.msLast)
c.msMtx.Unlock()
return
}
// If we are here, the last memstats are too old or don't exist. We have
// to wait until our own ReadMemStats finally completes. For that to
// happen, we have to release the lock.
c.msMtx.Unlock()
<-done
c.msCollect(ch, ms)
} }
func (c *goCollector) msCollect(ch chan<- Metric, ms *runtime.MemStats) { func memstatNamespace(s string) string {
for _, i := range c.msMetrics { return "go_memstats_" + s
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(ms))
}
} }
// memStatsMetrics provide description, value, and value type for memstat metrics. // memStatsMetrics provide description, evaluator, runtime/metrics name, and
// value type for memstat metrics.
type memStatsMetrics []struct { type memStatsMetrics []struct {
desc *Desc desc *Desc
eval func(*runtime.MemStats) float64 eval func(*runtime.MemStats) float64
valType ValueType valType ValueType
} }
// NewBuildInfoCollector returns a collector collecting a single metric
// "go_build_info" with the constant value 1 and three labels "path", "version",
// and "checksum". Their label values contain the main module path, version, and
// checksum, respectively. The labels will only have meaningful values if the
// binary is built with Go module support and from source code retrieved from
// the source repository (rather than the local file system). This is usually
// accomplished by building from outside of GOPATH, specifying the full address
// of the main package, e.g. "GO111MODULE=on go run
// github.com/prometheus/client_golang/examples/random". If built without Go
// module support, all label values will be "unknown". If built with Go module
// support but using the source code from the local file system, the "path" will
// be set appropriately, but "checksum" will be empty and "version" will be
// "(devel)".
//
// This collector uses only the build information for the main module. See
// https://github.com/povilasv/prommod for an example of a collector for the
// module dependencies.
func NewBuildInfoCollector() Collector {
path, version, sum := "unknown", "unknown", "unknown"
if bi, ok := debug.ReadBuildInfo(); ok {
path = bi.Main.Path
version = bi.Main.Version
sum = bi.Main.Sum
}
c := &selfCollector{MustNewConstMetric(
NewDesc(
"go_build_info",
"Build information about the main Go module.",
nil, Labels{"path": path, "version": version, "checksum": sum},
),
GaugeValue, 1)}
c.init(c.self)
return c
}

122
vendor/github.com/prometheus/client_golang/prometheus/go_collector_go116.go generated vendored Normal file
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@@ -0,0 +1,122 @@
// Copyright 2021 The Prometheus Authors
// 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.
//go:build !go1.17
// +build !go1.17
package prometheus
import (
"runtime"
"sync"
"time"
)
type goCollector struct {
base baseGoCollector
// ms... are memstats related.
msLast *runtime.MemStats // Previously collected memstats.
msLastTimestamp time.Time
msMtx sync.Mutex // Protects msLast and msLastTimestamp.
msMetrics memStatsMetrics
msRead func(*runtime.MemStats) // For mocking in tests.
msMaxWait time.Duration // Wait time for fresh memstats.
msMaxAge time.Duration // Maximum allowed age of old memstats.
}
// NewGoCollector is the obsolete version of collectors.NewGoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector() Collector {
msMetrics := goRuntimeMemStats()
msMetrics = append(msMetrics, struct {
desc *Desc
eval func(*runtime.MemStats) float64
valType ValueType
}{
// This metric is omitted in Go1.17+, see https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034
desc: NewDesc(
memstatNamespace("gc_cpu_fraction"),
"The fraction of this program's available CPU time used by the GC since the program started.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction },
valType: GaugeValue,
})
return &goCollector{
base: newBaseGoCollector(),
msLast: &runtime.MemStats{},
msRead: runtime.ReadMemStats,
msMaxWait: time.Second,
msMaxAge: 5 * time.Minute,
msMetrics: msMetrics,
}
}
// Describe returns all descriptions of the collector.
func (c *goCollector) Describe(ch chan<- *Desc) {
c.base.Describe(ch)
for _, i := range c.msMetrics {
ch <- i.desc
}
}
// Collect returns the current state of all metrics of the collector.
func (c *goCollector) Collect(ch chan<- Metric) {
var (
ms = &runtime.MemStats{}
done = make(chan struct{})
)
// Start reading memstats first as it might take a while.
go func() {
c.msRead(ms)
c.msMtx.Lock()
c.msLast = ms
c.msLastTimestamp = time.Now()
c.msMtx.Unlock()
close(done)
}()
// Collect base non-memory metrics.
c.base.Collect(ch)
timer := time.NewTimer(c.msMaxWait)
select {
case <-done: // Our own ReadMemStats succeeded in time. Use it.
timer.Stop() // Important for high collection frequencies to not pile up timers.
c.msCollect(ch, ms)
return
case <-timer.C: // Time out, use last memstats if possible. Continue below.
}
c.msMtx.Lock()
if time.Since(c.msLastTimestamp) < c.msMaxAge {
// Last memstats are recent enough. Collect from them under the lock.
c.msCollect(ch, c.msLast)
c.msMtx.Unlock()
return
}
// If we are here, the last memstats are too old or don't exist. We have
// to wait until our own ReadMemStats finally completes. For that to
// happen, we have to release the lock.
c.msMtx.Unlock()
<-done
c.msCollect(ch, ms)
}
func (c *goCollector) msCollect(ch chan<- Metric, ms *runtime.MemStats) {
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(ms))
}
}

568
vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go generated vendored Normal file
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@@ -0,0 +1,568 @@
// Copyright 2021 The Prometheus Authors
// 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.
//go:build go1.17
// +build go1.17
package prometheus
import (
"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"
)
const (
// constants for strings referenced more than once.
goGCHeapTinyAllocsObjects = "/gc/heap/tiny/allocs:objects"
goGCHeapAllocsObjects = "/gc/heap/allocs:objects"
goGCHeapFreesObjects = "/gc/heap/frees:objects"
goGCHeapFreesBytes = "/gc/heap/frees:bytes"
goGCHeapAllocsBytes = "/gc/heap/allocs:bytes"
goGCHeapObjects = "/gc/heap/objects:objects"
goGCHeapGoalBytes = "/gc/heap/goal:bytes"
goMemoryClassesTotalBytes = "/memory/classes/total:bytes"
goMemoryClassesHeapObjectsBytes = "/memory/classes/heap/objects:bytes"
goMemoryClassesHeapUnusedBytes = "/memory/classes/heap/unused:bytes"
goMemoryClassesHeapReleasedBytes = "/memory/classes/heap/released:bytes"
goMemoryClassesHeapFreeBytes = "/memory/classes/heap/free:bytes"
goMemoryClassesHeapStacksBytes = "/memory/classes/heap/stacks:bytes"
goMemoryClassesOSStacksBytes = "/memory/classes/os-stacks:bytes"
goMemoryClassesMetadataMSpanInuseBytes = "/memory/classes/metadata/mspan/inuse:bytes"
goMemoryClassesMetadataMSPanFreeBytes = "/memory/classes/metadata/mspan/free:bytes"
goMemoryClassesMetadataMCacheInuseBytes = "/memory/classes/metadata/mcache/inuse:bytes"
goMemoryClassesMetadataMCacheFreeBytes = "/memory/classes/metadata/mcache/free:bytes"
goMemoryClassesProfilingBucketsBytes = "/memory/classes/profiling/buckets:bytes"
goMemoryClassesMetadataOtherBytes = "/memory/classes/metadata/other:bytes"
goMemoryClassesOtherBytes = "/memory/classes/other:bytes"
)
// rmNamesForMemStatsMetrics represents runtime/metrics names required to populate goRuntimeMemStats from like logic.
var rmNamesForMemStatsMetrics = []string{
goGCHeapTinyAllocsObjects,
goGCHeapAllocsObjects,
goGCHeapFreesObjects,
goGCHeapAllocsBytes,
goGCHeapObjects,
goGCHeapGoalBytes,
goMemoryClassesTotalBytes,
goMemoryClassesHeapObjectsBytes,
goMemoryClassesHeapUnusedBytes,
goMemoryClassesHeapReleasedBytes,
goMemoryClassesHeapFreeBytes,
goMemoryClassesHeapStacksBytes,
goMemoryClassesOSStacksBytes,
goMemoryClassesMetadataMSpanInuseBytes,
goMemoryClassesMetadataMSPanFreeBytes,
goMemoryClassesMetadataMCacheInuseBytes,
goMemoryClassesMetadataMCacheFreeBytes,
goMemoryClassesProfilingBucketsBytes,
goMemoryClassesMetadataOtherBytes,
goMemoryClassesOtherBytes,
}
func bestEffortLookupRM(lookup []string) []metrics.Description {
ret := make([]metrics.Description, 0, len(lookup))
for _, rm := range metrics.All() {
for _, m := range lookup {
if m == rm.Name {
ret = append(ret, rm)
}
}
}
return ret
}
type goCollector struct {
base baseGoCollector
// mu protects updates to all fields ensuring a consistent
// snapshot is always produced by Collect.
mu sync.Mutex
// Contains all samples that has to retrieved from runtime/metrics (not all of them will be exposed).
sampleBuf []metrics.Sample
// sampleMap allows lookup for MemStats metrics and runtime/metrics histograms for exact sums.
sampleMap map[string]*metrics.Sample
// rmExposedMetrics represents all runtime/metrics package metrics
// that were configured to be exposed.
rmExposedMetrics []collectorMetric
rmExactSumMapForHist map[string]string
// With Go 1.17, the runtime/metrics package was introduced.
// From that point on, metric names produced by the runtime/metrics
// package could be generated from runtime/metrics names. However,
// these differ from the old names for the same values.
//
// This field exists to export the same values under the old names
// as well.
msMetrics memStatsMetrics
msMetricsEnabled bool
}
type rmMetricDesc struct {
metrics.Description
}
func matchRuntimeMetricsRules(rules []internal.GoCollectorRule) []rmMetricDesc {
var descs []rmMetricDesc
for _, d := range metrics.All() {
var (
deny = true
desc rmMetricDesc
)
for _, r := range rules {
if !r.Matcher.MatchString(d.Name) {
continue
}
deny = r.Deny
}
if deny {
continue
}
desc.Description = d
descs = append(descs, desc)
}
return descs
}
func defaultGoCollectorOptions() internal.GoCollectorOptions {
return internal.GoCollectorOptions{
RuntimeMetricSumForHist: map[string]string{
"/gc/heap/allocs-by-size:bytes": goGCHeapAllocsBytes,
"/gc/heap/frees-by-size:bytes": goGCHeapFreesBytes,
},
RuntimeMetricRules: []internal.GoCollectorRule{
//{Matcher: regexp.MustCompile("")},
},
}
}
// NewGoCollector is the obsolete version of collectors.NewGoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
opt := defaultGoCollectorOptions()
for _, o := range opts {
o(&opt)
}
exposedDescriptions := matchRuntimeMetricsRules(opt.RuntimeMetricRules)
// Collect all histogram samples so that we can get their buckets.
// The API guarantees that the buckets are always fixed for the lifetime
// of the process.
var histograms []metrics.Sample
for _, d := range exposedDescriptions {
if d.Kind == metrics.KindFloat64Histogram {
histograms = append(histograms, metrics.Sample{Name: d.Name})
}
}
if len(histograms) > 0 {
metrics.Read(histograms)
}
bucketsMap := make(map[string][]float64)
for i := range histograms {
bucketsMap[histograms[i].Name] = histograms[i].Value.Float64Histogram().Buckets
}
// Generate a collector for each exposed runtime/metrics metric.
metricSet := make([]collectorMetric, 0, len(exposedDescriptions))
// SampleBuf is used for reading from runtime/metrics.
// We are assuming the largest case to have stable pointers for sampleMap purposes.
sampleBuf := make([]metrics.Sample, 0, len(exposedDescriptions)+len(opt.RuntimeMetricSumForHist)+len(rmNamesForMemStatsMetrics))
sampleMap := make(map[string]*metrics.Sample, len(exposedDescriptions))
for _, d := range exposedDescriptions {
namespace, subsystem, name, ok := internal.RuntimeMetricsToProm(&d.Description)
if !ok {
// Just ignore this metric; we can't do anything with it here.
// If a user decides to use the latest version of Go, we don't want
// to fail here. This condition is tested in TestExpectedRuntimeMetrics.
continue
}
sampleBuf = append(sampleBuf, metrics.Sample{Name: d.Name})
sampleMap[d.Name] = &sampleBuf[len(sampleBuf)-1]
var m collectorMetric
if d.Kind == metrics.KindFloat64Histogram {
_, hasSum := opt.RuntimeMetricSumForHist[d.Name]
unit := d.Name[strings.IndexRune(d.Name, ':')+1:]
m = newBatchHistogram(
NewDesc(
BuildFQName(namespace, subsystem, name),
d.Description.Description,
nil,
nil,
),
internal.RuntimeMetricsBucketsForUnit(bucketsMap[d.Name], unit),
hasSum,
)
} else if d.Cumulative {
m = NewCounter(CounterOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: name,
Help: d.Description.Description,
},
)
} else {
m = NewGauge(GaugeOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: name,
Help: d.Description.Description,
})
}
metricSet = append(metricSet, m)
}
// Add exact sum metrics to sampleBuf if not added before.
for _, h := range histograms {
sumMetric, ok := opt.RuntimeMetricSumForHist[h.Name]
if !ok {
continue
}
if _, ok := sampleMap[sumMetric]; ok {
continue
}
sampleBuf = append(sampleBuf, metrics.Sample{Name: sumMetric})
sampleMap[sumMetric] = &sampleBuf[len(sampleBuf)-1]
}
var (
msMetrics memStatsMetrics
msDescriptions []metrics.Description
)
if !opt.DisableMemStatsLikeMetrics {
msMetrics = goRuntimeMemStats()
msDescriptions = bestEffortLookupRM(rmNamesForMemStatsMetrics)
// Check if metric was not exposed before and if not, add to sampleBuf.
for _, mdDesc := range msDescriptions {
if _, ok := sampleMap[mdDesc.Name]; ok {
continue
}
sampleBuf = append(sampleBuf, metrics.Sample{Name: mdDesc.Name})
sampleMap[mdDesc.Name] = &sampleBuf[len(sampleBuf)-1]
}
}
return &goCollector{
base: newBaseGoCollector(),
sampleBuf: sampleBuf,
sampleMap: sampleMap,
rmExposedMetrics: metricSet,
rmExactSumMapForHist: opt.RuntimeMetricSumForHist,
msMetrics: msMetrics,
msMetricsEnabled: !opt.DisableMemStatsLikeMetrics,
}
}
// Describe returns all descriptions of the collector.
func (c *goCollector) Describe(ch chan<- *Desc) {
c.base.Describe(ch)
for _, i := range c.msMetrics {
ch <- i.desc
}
for _, m := range c.rmExposedMetrics {
ch <- m.Desc()
}
}
// Collect returns the current state of all metrics of the collector.
func (c *goCollector) Collect(ch chan<- Metric) {
// Collect base non-memory metrics.
c.base.Collect(ch)
if len(c.sampleBuf) == 0 {
return
}
// Collect must be thread-safe, so prevent concurrent use of
// sampleBuf elements. Just read into sampleBuf but write all the data
// we get into our Metrics or MemStats.
//
// This lock also ensures that the Metrics we send out are all from
// the same updates, ensuring their mutual consistency insofar as
// is guaranteed by the runtime/metrics package.
//
// N.B. This locking is heavy-handed, but Collect is expected to be called
// relatively infrequently. Also the core operation here, metrics.Read,
// is fast (O(tens of microseconds)) so contention should certainly be
// low, though channel operations and any allocations may add to that.
c.mu.Lock()
defer c.mu.Unlock()
// Populate runtime/metrics sample buffer.
metrics.Read(c.sampleBuf)
// Collect all our runtime/metrics user chose to expose from sampleBuf (if any).
for i, metric := range c.rmExposedMetrics {
// We created samples for exposed metrics first in order, so indexes match.
sample := c.sampleBuf[i]
// N.B. switch on concrete type because it's significantly more efficient
// than checking for the Counter and Gauge interface implementations. In
// this case, we control all the types here.
switch m := metric.(type) {
case *counter:
// Guard against decreases. This should never happen, but a failure
// to do so will result in a panic, which is a harsh consequence for
// a metrics collection bug.
v0, v1 := m.get(), unwrapScalarRMValue(sample.Value)
if v1 > v0 {
m.Add(unwrapScalarRMValue(sample.Value) - m.get())
}
m.Collect(ch)
case *gauge:
m.Set(unwrapScalarRMValue(sample.Value))
m.Collect(ch)
case *batchHistogram:
m.update(sample.Value.Float64Histogram(), c.exactSumFor(sample.Name))
m.Collect(ch)
default:
panic("unexpected metric type")
}
}
if c.msMetricsEnabled {
// ms is a dummy MemStats that we populate ourselves so that we can
// populate the old metrics from it if goMemStatsCollection is enabled.
var ms runtime.MemStats
memStatsFromRM(&ms, c.sampleMap)
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(&ms))
}
}
}
// unwrapScalarRMValue unwraps a runtime/metrics value that is assumed
// to be scalar and returns the equivalent float64 value. Panics if the
// value is not scalar.
func unwrapScalarRMValue(v metrics.Value) float64 {
switch v.Kind() {
case metrics.KindUint64:
return float64(v.Uint64())
case metrics.KindFloat64:
return v.Float64()
case metrics.KindBad:
// Unsupported metric.
//
// This should never happen because we always populate our metric
// set from the runtime/metrics package.
panic("unexpected unsupported 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")
}
}
// exactSumFor takes a runtime/metrics metric name (that is assumed to
// be of kind KindFloat64Histogram) and returns its exact sum and whether
// its exact sum exists.
//
// The runtime/metrics API for histograms doesn't currently expose exact
// sums, but some of the other metrics are in fact exact sums of histograms.
func (c *goCollector) exactSumFor(rmName string) float64 {
sumName, ok := c.rmExactSumMapForHist[rmName]
if !ok {
return 0
}
s, ok := c.sampleMap[sumName]
if !ok {
return 0
}
return unwrapScalarRMValue(s.Value)
}
func memStatsFromRM(ms *runtime.MemStats, rm map[string]*metrics.Sample) {
lookupOrZero := func(name string) uint64 {
if s, ok := rm[name]; ok {
return s.Value.Uint64()
}
return 0
}
// Currently, MemStats adds tiny alloc count to both Mallocs AND Frees.
// The reason for this is because MemStats couldn't be extended at the time
// but there was a desire to have Mallocs at least be a little more representative,
// while having Mallocs - Frees still represent a live object count.
// Unfortunately, MemStats doesn't actually export a large allocation count,
// so it's impossible to pull this number out directly.
tinyAllocs := lookupOrZero(goGCHeapTinyAllocsObjects)
ms.Mallocs = lookupOrZero(goGCHeapAllocsObjects) + tinyAllocs
ms.Frees = lookupOrZero(goGCHeapFreesObjects) + tinyAllocs
ms.TotalAlloc = lookupOrZero(goGCHeapAllocsBytes)
ms.Sys = lookupOrZero(goMemoryClassesTotalBytes)
ms.Lookups = 0 // Already always zero.
ms.HeapAlloc = lookupOrZero(goMemoryClassesHeapObjectsBytes)
ms.Alloc = ms.HeapAlloc
ms.HeapInuse = ms.HeapAlloc + lookupOrZero(goMemoryClassesHeapUnusedBytes)
ms.HeapReleased = lookupOrZero(goMemoryClassesHeapReleasedBytes)
ms.HeapIdle = ms.HeapReleased + lookupOrZero(goMemoryClassesHeapFreeBytes)
ms.HeapSys = ms.HeapInuse + ms.HeapIdle
ms.HeapObjects = lookupOrZero(goGCHeapObjects)
ms.StackInuse = lookupOrZero(goMemoryClassesHeapStacksBytes)
ms.StackSys = ms.StackInuse + lookupOrZero(goMemoryClassesOSStacksBytes)
ms.MSpanInuse = lookupOrZero(goMemoryClassesMetadataMSpanInuseBytes)
ms.MSpanSys = ms.MSpanInuse + lookupOrZero(goMemoryClassesMetadataMSPanFreeBytes)
ms.MCacheInuse = lookupOrZero(goMemoryClassesMetadataMCacheInuseBytes)
ms.MCacheSys = ms.MCacheInuse + lookupOrZero(goMemoryClassesMetadataMCacheFreeBytes)
ms.BuckHashSys = lookupOrZero(goMemoryClassesProfilingBucketsBytes)
ms.GCSys = lookupOrZero(goMemoryClassesMetadataOtherBytes)
ms.OtherSys = lookupOrZero(goMemoryClassesOtherBytes)
ms.NextGC = lookupOrZero(goGCHeapGoalBytes)
// N.B. GCCPUFraction is intentionally omitted. This metric is not useful,
// and often misleading due to the fact that it's an average over the lifetime
// of the process.
// See https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034
// for more details.
ms.GCCPUFraction = 0
}
// batchHistogram is a mutable histogram that is updated
// in batches.
type batchHistogram struct {
selfCollector
// Static fields updated only once.
desc *Desc
hasSum bool
// Because this histogram operates in batches, it just uses a
// single mutex for everything. updates are always serialized
// but Write calls may operate concurrently with updates.
// Contention between these two sources should be rare.
mu sync.Mutex
buckets []float64 // Inclusive lower bounds, like runtime/metrics.
counts []uint64
sum float64 // Used if hasSum is true.
}
// newBatchHistogram creates a new batch histogram value with the given
// Desc, buckets, and whether or not it has an exact sum available.
//
// buckets must always be from the runtime/metrics package, following
// the same conventions.
func newBatchHistogram(desc *Desc, buckets []float64, hasSum bool) *batchHistogram {
// We need to remove -Inf values. runtime/metrics keeps them around.
// But -Inf bucket should not be allowed for prometheus histograms.
if buckets[0] == math.Inf(-1) {
buckets = buckets[1:]
}
h := &batchHistogram{
desc: desc,
buckets: buckets,
// Because buckets follows runtime/metrics conventions, there's
// 1 more value in the buckets list than there are buckets represented,
// because in runtime/metrics, the bucket values represent *boundaries*,
// and non-Inf boundaries are inclusive lower bounds for that bucket.
counts: make([]uint64, len(buckets)-1),
hasSum: hasSum,
}
h.init(h)
return h
}
// update updates the batchHistogram from a runtime/metrics histogram.
//
// sum must be provided if the batchHistogram was created to have an exact sum.
// h.buckets must be a strict subset of his.Buckets.
func (h *batchHistogram) update(his *metrics.Float64Histogram, sum float64) {
counts, buckets := his.Counts, his.Buckets
h.mu.Lock()
defer h.mu.Unlock()
// Clear buckets.
for i := range h.counts {
h.counts[i] = 0
}
// Copy and reduce buckets.
var j int
for i, count := range counts {
h.counts[j] += count
if buckets[i+1] == h.buckets[j+1] {
j++
}
}
if h.hasSum {
h.sum = sum
}
}
func (h *batchHistogram) Desc() *Desc {
return h.desc
}
func (h *batchHistogram) Write(out *dto.Metric) error {
h.mu.Lock()
defer h.mu.Unlock()
sum := float64(0)
if h.hasSum {
sum = h.sum
}
dtoBuckets := make([]*dto.Bucket, 0, len(h.counts))
totalCount := uint64(0)
for i, count := range h.counts {
totalCount += count
if !h.hasSum {
if count != 0 {
// N.B. This computed sum is an underestimate.
sum += h.buckets[i] * float64(count)
}
}
// Skip the +Inf bucket, but only for the bucket list.
// It must still count for sum and totalCount.
if math.IsInf(h.buckets[i+1], 1) {
break
}
// Float64Histogram's upper bound is exclusive, so make it inclusive
// by obtaining the next float64 value down, in order.
upperBound := math.Nextafter(h.buckets[i+1], h.buckets[i])
dtoBuckets = append(dtoBuckets, &dto.Bucket{
CumulativeCount: proto.Uint64(totalCount),
UpperBound: proto.Float64(upperBound),
})
}
out.Histogram = &dto.Histogram{
Bucket: dtoBuckets,
SampleCount: proto.Uint64(totalCount),
SampleSum: proto.Float64(sum),
}
return nil
}

1011
vendor/github.com/prometheus/client_golang/prometheus/histogram.go generated vendored
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