###############################################################################
#
# The MIT License (MIT)
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from autobahn.twisted.websocket import WebSocketServerFactory, WebSocketServerProtocol


class MyServerProtocol(WebSocketServerProtocol):
    def onConnect(self, request):
        print("Client connecting: {0}".format(request.peer))

    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.internet import reactor
    from twisted.python import log

    log.startLogging(sys.stdout)

    factory = WebSocketServerFactory("ws://127.0.0.1:9000")
    factory.protocol = MyServerProtocol
    # factory.setProtocolOptions(maxConnections=2)

    # note to self: if using putChild, the child must be bytes...

    reactor.listenTCP(9000, factory)
    reactor.run()
