Enhance WebSocket handling and log polling logic

ts/menu_ts.ts

@@ -987,6 +987,27 @@ function initShellLayout() {
   SHELL_LAYOUT_READY = true
 }
 
+function shouldPollLogs():boolean {
+  if (document.hidden == true) {
+    return false
+  }
+
+  if (document.getElementById("content_log") == null) {
+    return false
+  }
+
+  if (ACTIVE_MENU_ID.length < 1) {
+    return false
+  }
+
+  var activeItem = document.getElementById(ACTIVE_MENU_ID)
+  if (activeItem == null) {
+    return false
+  }
+
+  return activeItem.getAttribute("data-menu") == "log"
+}
+
 function PageReady() {
 
   initShellLayout()
@@ -994,6 +1015,29 @@ function PageReady() {
   var server:Server = new Server("getServerConfig")
   server.request(new Object())
 
+  var bootstrapAttempts:number = 0
+  var maxBootstrapAttempts:number = 5
+  var bootstrapTimer:number = window.setInterval(function() {
+
+    if (SERVER.hasOwnProperty("clientInfo") == true) {
+      window.clearInterval(bootstrapTimer)
+      return
+    }
+
+    if (SERVER_CONNECTION == true) {
+      return
+    }
+
+    bootstrapAttempts++
+    var retryServer:Server = new Server("getServerConfig")
+    retryServer.request(new Object())
+
+    if (bootstrapAttempts >= maxBootstrapAttempts) {
+      window.clearInterval(bootstrapTimer)
+    }
+
+  }, 3000)
+
   window.addEventListener("resize", function(){
     if (window.innerWidth > 900) {
       setLayoutMenuState(false)
@@ -1002,7 +1046,7 @@ function PageReady() {
   }, true);
 
   setInterval(function(){ 
-    if (document.hidden == true) {
+    if (shouldPollLogs() == false) {
       return
     }
     updateLog()

ts/network_ts.ts

@@ -37,6 +37,7 @@ class Server {
     var url = this.protocol + wsHost + "/data/" + "?Token=" + getCookie("Token")
 
     data["cmd"] = this.cmd
+    var requestCmd:string = data["cmd"]
     var ws = new WebSocket(url)
     var isLogUpdate:boolean = data["cmd"] == "updateLog"
     var responseReceived:boolean = false
@@ -110,7 +111,7 @@ class Server {
       }
       finishRequest(errorState, false)
 
-      if (WS_AVAILABLE == false && isLogUpdate == false) {
+      if (WS_AVAILABLE == false && isLogUpdate == false && requestCmd != "getServerConfig") {
         alert("No websocket connection to xTeVe could be established. Check your network configuration.")
       }