Bug 753807 - Land in comm-central Instantbird's changes to chat/ - Bio 1409 - Handle (dis)connects better in IRC, r=fqueze.

chat/modules/socket.jsm

@@ -55,7 +55,6 @@
  * High-level methods:
  *   .connect(<host>, <port>[, ("starttls" | "ssl" | "udp") [, <proxy>]])
  *   .disconnect()
- *   .reconnect()
  *   .listen(port)
  *   .send(String data)
  *   .isAlive()
@@ -176,15 +175,6 @@ const Socket = {
     }
   },
 
-  // Reconnect to the current settings stored in the socket.
-  reconnect: function() {
-    // If there's nothing to reconnect to or we're connected, do nothing
-    if (!this.isAlive() && this.host && this.port) {
-      this.disconnect();
-      this.connect(this.host, this.port, this.security, this.proxy);
-    }
-  },
-
   // Disconnect all open streams.
   disconnect: function() {
     this.log("Disconnect");

chat/protocols/irc/irc.js

@@ -817,6 +817,7 @@ ircAccount.prototype = {
   _quitTimer: null,
   // RFC 2812 Section 3.1.7.
   quit: function(aMessage) {
+    this.reportDisconnecting(Ci.prplIAccount.NO_ERROR);
     this.sendMessage("QUIT",
                      aMessage || this.getString("quitmsg") || undefined);
   },
@@ -827,6 +828,12 @@ ircAccount.prototype = {
 
     this.reportDisconnecting(Ci.prplIAccount.NO_ERROR);
 
+    // If there's no socket, disconnect immediately to avoid waiting 2 seconds.
+    if (!this._socket || !this._socket.isAlive()) {
+      this.gotDisconnected();
+      return;
+    }
+
     // Let the server know we're going to disconnect.
     this.quit();
 
@@ -923,6 +930,11 @@ ircAccount.prototype = {
     // TODO This should escape any characters that can't be used in IRC (e.g.
     // \001, \r\n).
 
+    if (!this._socket || !this._socket.isAlive()) {
+      this.gotDisconnected(Ci.prplIAccount.ERROR_NETWORK_ERROR,
+                           _("connection.error.lost"));
+    }
+
     let length = this.countBytes(aMessage) + 2;
     if (length > this.maxMessageLength) {
       // Log if the message is too long, but try to send it anyway.

chat/protocols/irc/ircBase.jsm

@@ -211,9 +211,21 @@ var ircBase = {
     "ERROR": function(aMessage) {
       // ERROR <error message>
       // Client connection has been terminated.
-      clearTimeout(this._quitTimer);
-      this.gotDisconnected(Ci.prplIAccount.NO_ERROR,
-                           aMessage.params[0]); // Notify account manager.
+      if (!this.disconnecting) {
+        // We received an ERROR message when we weren't expecting it, this is
+        // probably the server giving us a ping timeout.
+        ERROR("Received unexpected ERROR response:\n" + aMessage.params[0]);
+        this.gotDisconnected(Ci.prplIAccount.ERROR_NETWORK_ERROR,
+                             _("connection.error.lost"));
+      }
+      else {
+        // We received an ERROR message when expecting it (i.e. we've sent a
+        // QUIT command).
+        clearTimeout(this._quitTimer);
+        delete this._quitTimer;
+        // Notify account manager.
+        this.gotDisconnected();
+      }
       return true;
     },
     "INVITE": function(aMessage) {
@@ -297,7 +309,7 @@ var ircBase = {
     },
     "PING": function(aMessage) {
       // PING <server1 [ <server2> ]
-      // Keep the connection alive
+      // Keep the connection alive.
       this.sendMessage("PONG", aMessage.params[0]);
       return true;
     },