work on multicore example

examples/twisted/websocket/echo_multicore/index.html

@@ -11,7 +11,7 @@
 
             var wsuri;
             if (window.location.protocol === "file:") {
-               wsuri = "ws://localhost:9000";
+               wsuri = "ws://127.0.0.1:9000";
             } else {
                wsuri = "ws://" + window.location.hostname + ":9000";
             }

examples/twisted/websocket/echo_multicore/server_reuseport.py

@@ -0,0 +1,75 @@
+###############################################################################
+##
+##  Copyright (C) 2011-2014 Tavendo GmbH
+##
+##  Licensed under the Apache License, Version 2.0 (the "License");
+##  you may not use this file except in compliance with the License.
+##  You may obtain a copy of the License at
+##
+##      http://www.apache.org/licenses/LICENSE-2.0
+##
+##  Unless required by applicable law or agreed to in writing, software
+##  distributed under the License is distributed on an "AS IS" BASIS,
+##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+##  See the License for the specific language governing permissions and
+##  limitations under the License.
+##
+###############################################################################
+
+import os
+import socket
+
+from twisted.internet import tcp
+from autobahn.twisted.websocket import WebSocketServerProtocol, \
+                                       WebSocketServerFactory
+
+
+class CustomPort(tcp.Port):
+   def createInternetSocket(self):
+      s = tcp.Port.createInternetSocket(self)
+      s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+      #s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
+      return s
+
+
+class MyServerProtocol(WebSocketServerProtocol):
+
+   def onConnect(self, request):
+      print("Client connecting: {0} on server PID {1}".format(request.peer, os.getpid()))
+
+   def onOpen(self):
+      print("WebSocket connection open.")
+
+   def onMessage(self, payload, isBinary):
+      if isBinary:
+         print("Binary message received: {0} bytes".format(len(payload)))
+      else:
+         print("Text message received: {0}".format(payload.decode('utf8')))
+
+      ## echo back message verbatim
+      self.sendMessage(payload, isBinary)
+
+   def onClose(self, wasClean, code, reason):
+      print("WebSocket connection closed: {0}".format(reason))
+
+
+
+if __name__ == '__main__':
+
+   import sys
+
+   from twisted.python import log
+   from twisted.internet import reactor
+
+   log.startLogging(sys.stdout)
+
+   factory = WebSocketServerFactory("ws://127.0.0.1:9000", debug = False)
+   factory.protocol = MyServerProtocol
+
+   #reactor.listenTCP(9000, factory)
+
+   p = CustomPort(9000, factory)
+   p.startListening()
+   print p
+
+   reactor.run()