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# The MIT License (MIT)
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# Copyright (c) Crossbar.io Technologies GmbH
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import uuid
import sys

from twisted.python import log
from twisted.internet import reactor
from twisted.web.server import Site
from twisted.web.wsgi import WSGIResource

from flask import Flask, render_template

from autobahn.twisted.websocket import WebSocketServerFactory, \
    WebSocketServerProtocol

from autobahn.twisted.resource import WebSocketResource, WSGIRootResource


# Our WebSocket Server protocol
class EchoServerProtocol(WebSocketServerProtocol):

    def onMessage(self, payload, isBinary):
        self.sendMessage(payload, isBinary)


# Our WSGI application .. in this case Flask based
app = Flask(__name__)
app.secret_key = str(uuid.uuid4())


@app.route('/')
def page_home():
    return render_template('index.html')


if __name__ == "__main__":

    log.startLogging(sys.stdout)

    # create a Twisted Web resource for our WebSocket server
    wsFactory = WebSocketServerFactory(u"ws://127.0.0.1:8080")
    wsFactory.protocol = EchoServerProtocol
    wsResource = WebSocketResource(wsFactory)

    # create a Twisted Web WSGI resource for our Flask server
    wsgiResource = WSGIResource(reactor, reactor.getThreadPool(), app)

    # create a root resource serving everything via WSGI/Flask, but
    # the path "/ws" served by our WebSocket stuff
    rootResource = WSGIRootResource(wsgiResource, {b'ws': wsResource})

    # create a Twisted Web Site and run everything
    site = Site(rootResource)

    reactor.listenTCP(8080, site)
    reactor.run()
