109 lines
3.1 KiB
Python
109 lines
3.1 KiB
Python
###############################################################################
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##
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## Copyright (C) 2013 Tavendo GmbH
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##
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## Licensed under the Apache License, Version 2.0 (the "License");
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## you may not use this file except in compliance with the License.
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## You may obtain a copy of the License at
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##
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## http://www.apache.org/licenses/LICENSE-2.0
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##
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## Unless required by applicable law or agreed to in writing, software
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## distributed under the License is distributed on an "AS IS" BASIS,
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## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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## See the License for the specific language governing permissions and
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## limitations under the License.
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##
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###############################################################################
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from autobahn.twisted.websocket import WebSocketServerFactory, \
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WebSocketServerProtocol
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class EchoServerProtocol(WebSocketServerProtocol):
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"""
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Example WebSocket server protocol. This is where you define your application
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specific protocol and logic.
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"""
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def onMessage(self, payload, isBinary):
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## just echo any WebSocket message received back to client
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##
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self.sendMessage(payload, isBinary)
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class EchoServerFactory(WebSocketServerFactory):
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"""
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Example WebSocket server factory. This creates new instances of our protocol
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for each client connecting.
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"""
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protocol = EchoServerProtocol
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if __name__ == '__main__':
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import sys, argparse
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from twisted.python import log
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from twisted.internet.endpoints import serverFromString
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## parse command line arguments
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##
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parser = argparse.ArgumentParser()
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parser.add_argument("-d", "--debug", action = "store_true",
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help = "Enable debug output.")
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parser.add_argument("--websocket", default = "tcp:9000",
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help = 'WebSocket server Twisted endpoint descriptor, e.g. "tcp:9000" or "unix:/tmp/mywebsocket".')
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parser.add_argument("--wsurl", default = "ws://localhost:9000",
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help = 'WebSocket URL (must suit the endpoint), e.g. "ws://localhost:9000".')
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parser.add_argument("--web", default = "tcp:8080",
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help = 'Web server endpoint descriptor, e.g. "tcp:8080".')
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args = parser.parse_args()
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## start Twisted logging to stdout
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##
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log.startLogging(sys.stdout)
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## we use an Autobahn utility to install the "best" available Twisted reactor
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##
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from autobahn.choosereactor import install_reactor
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reactor = install_reactor()
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print("Running on reactor {}".format(reactor))
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## start a WebSocket server
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##
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wsfactory = EchoServerFactory(args.wsurl, debug = args.debug)
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wsserver = serverFromString(reactor, args.websocket)
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wsserver.listen(wsfactory)
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## start a Web server
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##
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if args.web != "":
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from twisted.web.server import Site
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from twisted.web.static import File
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webfactory = Site(File("."))
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webserver = serverFromString(reactor, args.web)
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webserver.listen(webfactory)
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## now enter the Twisted reactor loop
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##
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reactor.run()
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