From 7dbb1b1ac03f429d08c81ab42f88d6b7569486cc Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Fri, 21 Mar 2014 18:06:59 -0700
Subject: [PATCH] GUAC-558: Do not send pending messages if tunnel is closed.

---
 guacamole-common-js/src/main/webapp/modules/Tunnel.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/guacamole-common-js/src/main/webapp/modules/Tunnel.js b/guacamole-common-js/src/main/webapp/modules/Tunnel.js
index 6bea25c02..26450d813 100644
--- a/guacamole-common-js/src/main/webapp/modules/Tunnel.js
+++ b/guacamole-common-js/src/main/webapp/modules/Tunnel.js
@@ -225,6 +225,10 @@ Guacamole.HTTPTunnel = function(tunnelURL) {
 
     function sendPendingMessages() {
 
+        // Do not attempt to send messages if not connected
+        if (tunnel.state !== Guacamole.Tunnel.State.OPEN)
+            return;
+
         if (outputMessageBuffer.length > 0) {
 
             sendingMessages = true;