Added basic files

__init__.py

+from connection import MuxConnection, Channel

connection.py

+import socket
+from threading import Thread
+
+from twspy import Connection
+
+
+class Multiplexer(object):
+    def __init__(self, sock):
+        self.channels = []
+        self.number = 0
+        self.conn = MuxConnection(sock)
+
+    def __str__(self):
+        return '<Multiplexer #channels=%d at %s>' \
+               % (len(self.channels), self.address_str())
+
+    def address_str(self):
+        try:
+            return '%s:%d' % self.conn.sock.getpeername()
+        except socket.error:
+            return 'closed connection'
+
+    def add_channel(self, channel):
+        self.channels.append(channel)
+        self.number += 1
+        return self.number
+
+    def send(self, message, channel):
+        raise NotImplementedError
+
+    def recv(self, channel):
+        raise NotImplementedError
+
+    def send_forever(self):
+        raise NotImplementedError
+
+    def receive_forever(self):
+        raise NotImplementedError
+
+    def run(self):
+        sender = Thread(self.send_forever)
+        sender.daemon = True
+        sender.start()
+
+        receiver = Thread(self.receive_forever)
+        receiver.daemon = True
+        receiver.start()
+
+
+def MuxConnection(Connection):
+    pass
+
+
+class Channel(object):
+    def __init__(self, mux):
+        self.mux = mux
+        self.number = mux.add_channel(self)
+
+    def __str__(self):
+        return '<Channel #%d at %s>' % (self.number, self.mux.address_str())
+
+    def send(self, message):
+        self.mux.send(message, self)
+
+    def recv(self):
+        return self.mux.recv(self)
+
+    def onopen(self):
+        return NotImplemented
+
+    def onmessage(self, message):
+        return NotImplemented
+
+    def onclose(self, code=None, reason=''):
+        return NotImplemented
+
+
+if __name__ == '__main__':
+    from twspy import websocket
+
+    class EchoChannel(Channel):
+        def __init__(self, mux, name):
+            Channel.__init__(self, mux)
+            self.name = name
+
+        def onopen(self):
+            print self.name + ': opened on %s:%d' % self.sock.getpeername()
+
+        def onmessage(self, message):
+            print self.name + ': message:', message
+            self.send(message)
+
+        def onclose(self, msg):
+            print self.name + ': closed'
+
+    server = websocket()
+    server.bind(('', 8000))
+    server.listen()
+
+    while True:
+        client, address = server.accept()
+        mux = Multiplexer(client)
+        a = EchoChannel(mux, 'A')
+        b = EchoChannel(mux, 'B')
+        mux.run()