Delay client disconnects to avoid notifies on reconnect

src_coffee/server/channel.coffee

@@ -76,7 +76,7 @@ class Channel
     _registerListeners: (clientSocket) ->
         # Store callback for channel-specific disconnect on socket
         clientSocket[@listenerNameDisconnect] = disconnectCallback = =>
-            @_handleClientLeave(clientSocket, true, true)
+            @_handleClientDisconnect(clientSocket)
         # Register channel-specific client events
         clientSocket.on @eventNameMsg, (messageText) => @_handleClientMessage(clientSocket, messageText)
@@ -313,12 +313,21 @@ class Channel
         log.debug "Client requests chat history for '#{@name}'"
         @_sendHistoryToSocket(clientSocket)
-    _handleClientLeave: (clientSocket, isClose=false, isDisconnect=false) ->
+    _handleClientLeave: (clientSocket, isClose=false) ->
         if not isClose and clientSocket.identity.getUserID() is @creatorID
             # Disallow permanent leaving on channels created by the client
             @_sendToSocket(clientSocket, 'leave_fail', 'Cannot leave own channels')
         else
-            @removeClient(clientSocket, isClose, isDisconnect)
+            @removeClient(clientSocket, isClose)
+
+    _handleClientDisconnect: (clientSocket) ->
+        # Immediately unregister listeners
+        @_unregisterListeners(clientSocket)
+        # Delay disconnect for configured time - This will allow to rejoin before disconnect is executed
+        delay_promise = Q.delay(Config.CLIENTS_DISCONNECT_DELAY)
+        delay_promise = delay_promise.then =>
+            @removeClient(clientSocket, true, true)
+        delay_promise.done()
     _handleClientDeleteRequest: (clientSocket) ->
         if clientSocket.identity.getUserID() isnt @creatorID

src_coffee/server/config.coffee

@@ -34,7 +34,8 @@ module.exports =
     CLIENT_AUTH_SECRET: 'SECRET_2'  # A secret string to be used as part of the security token (The token needs to be sent from a client on login)
-    GAMES_LOOKUP_INTERVAL: 20       # Interval time in seconds, for looking up the games list in database and create/destroy appropriate bots accordingly
+    GAMES_LOOKUP_INTERVAL: 60       # Interval time in seconds, for looking up the games list in database and create/destroy appropriate bots accordingly
+    CLIENTS_DISCONNECT_DELAY: 2000  # Timeout in milliseconds, for waiting for reconnect of a client before broadcasting its disconnection (If it reconnects before timeout, nothing is broadcasted)
     MAX_CHANNEL_LOGS: 100           # Maximum number of logs per channel in database - This controls the max size of the chat logs table
     MAX_CHANNEL_LOGS_TO_CLIENT: 50  # Maximum number of channel logs for a client - This controls the max length of a channel's chat history a client can request
     MAX_CHANNELS_PER_CLIENT: 3      # Maximum number of channels a client/user is allowed to create

src_coffee/server/main.coffee

@@ -13,6 +13,9 @@ Database = require './database'
 SocketHandler = require './sockethandler'
 BotManager = require './botmanager'
+## Configure global libraries
+Q.longStackSupport = Config.DEBUG_ENABLED  # On debug mode, enable better stack trace support for promises (Performance overhead)
+
 ## Create library API objects
 app = express()
 server = http.createServer(app)    # Create HTTP server instance