Add heartbeat calls in response to LOGIN_ACK

app/assets/javascripts/AAB_message_factory.js

@@ -51,6 +51,12 @@
         var data = {};
         return client_container(msg.PING_REQUEST, route_to_client(client_id), data);
     };
+    //
+    // Heartbeat message
+    factory.heartbeat = function() {
+        var data = {};
+        return client_container(msg.HEARTBEAT, route_to.SERVER, data);
+    };
 
     // create a login message using user/pass
     factory.login_with_user_pass = function(username, password) {

app/assets/javascripts/jamkazam.js

@@ -6,6 +6,7 @@
     var JamKazam = context.JK.JamKazam = function() {
         var app;
         var logger = context.JK.logger;
+        var heartbeatInterval = null;
         var subscribers = {};  // Keys are MessageType.MESSAGE values Values are lists of functions to call
 
         /**
@@ -64,6 +65,18 @@
             }
         }
 
+        function _handleLoginAck(header, payload) {
+            var heartbeatMS = payload.heartbeat_interval * 1000;
+            logger.debug("Login ACK. Setting up heartbeat every " + heartbeatMS + " MS");
+            heartbeatInterval = context.setInterval(_heartbeat, heartbeatMS);
+        }
+
+        function _heartbeat() {
+            logger.debug("...sending heartbeat");
+            message = context.JK.MessageFactory.heartbeat();
+            context.JK.JamServer.send(message);
+        }
+
         /**
         * Register for all known types, logging events as they happen, and
         * notifying subscribers (see this.subscribe) as they occur.
@@ -73,6 +86,8 @@
                 logger.debug("registering " + message);
                 context.JK.JamServer.registerMessageCallback(message, handleMessage);
             }
+            // Specifically register a handler for LOGIN_ACK to setup the heartbeat calls.
+            context.JK.JamServer.registerMessageCallback(context.JK.MessageType.LOGIN_ACK, _handleLoginAck);
         }
 
         /**

app/assets/javascripts/messaging.js

@@ -53,7 +53,7 @@
         * Register a simple console logger for all known message types.
         */
         this.register = function() {
-            registerLoginPinger();
+            //registerLoginPinger();
         };
 
     };