Added Server/Client classes which allow multiple WebSocket instances to run in different threads

server.py

@@ -0,0 +1,76 @@
+import socket
+import logging
+from traceback import format_exc
+
+from websocket import WebSocket
+
+
+class Server(object):
+    def __init__(self, port, address='', log_level=logging.INFO, protocols=[],
+            encoding=None):
+        logging.basicConfig(level=log_level,
+                format='%(asctime)s: %(levelname)s: %(message)s',
+                datefmt='%H:%M:%S')
+
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        logging.info('Starting server at %s:%d', address, port)
+        self.sock.bind((address, port))
+        self.sock.listen(5)
+
+        self.clients = []
+        self.protocols = protocols
+        self.encoding = encoding
+
+    def run(self):
+        while True:
+            try:
+                client_socket, address = self.sock.accept()
+                logging.debug('Attempting handshake with %s:%d' % address)
+                self.handshake(client_socket)
+
+                client = Client(client_socket, address, self)
+                self.clients.append(client)
+                logging.info('Registered client %s', client)
+                self.onopen(client)
+
+                client.run_threaded()
+            except KeyboardInterrupt:
+                logging.info('Received interrupt, stopping server...')
+                break
+            except Exception as e:
+                logging.error(format_exc(e))
+
+    def onopen(self, client):
+        """
+        Called when a new client connects.
+        """
+        pass
+
+    def onclose(self, client):
+        """
+        Called when a client disconnects.
+        """
+        pass
+
+    def onmessage(self, client, message):
+        """
+        Called when a message is received from some client. `message' is a
+        Message object
+        """
+        raise NotImplemented
+
+
+class Client(WebSocket):
+    def __init__(self, server, sock, address):
+        super(Client, self).__init__(sock, address)
+        self.server = server
+
+    def handle_message(self, message):
+        self.server.onmessage(self, message)
+
+
+if __name__ == '__main__':
+    import sys
+    port = int(sys.argv[1]) if len(sys.argv) > 1 else 80
+    Server(port=port, log_level=logging.DEBUG, encoding='utf-8').run()