84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
###############################################################################
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#
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# The MIT License (MIT)
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#
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# Copyright (c) Tavendo GmbH
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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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 BroadcastServerProtocol(WebSocketServerProtocol):
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def onOpen(self):
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self.factory.register(self)
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def onMessage(self, payload, isBinary):
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self.factory.broadcast(payload, isBinary)
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def onClose(self, wasClean, code, reason):
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self.factory.unregister(self)
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class BroadcastServerFactory(WebSocketServerFactory):
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"""
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Simple broadcast server broadcasting any message it receives to all
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currently connected clients.
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"""
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protocol = BroadcastServerProtocol
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def __init__(self, url):
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WebSocketServerFactory.__init__(self, url, debug=False)
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self.clients = []
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def register(self, client):
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if client not in self.clients:
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self.clients.append(client)
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print("registered client {}".format(client.peer))
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def unregister(self, client):
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if client in self.clients:
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self.clients.remove(client)
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print("unregistered client {}".format(client.peer))
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def broadcast(self, payload, isBinary):
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for c in self.clients:
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c.sendMessage(payload, isBinary)
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print("broadcasted message to {} clients".format(len(self.clients)))
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if __name__ == '__main__':
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import sys
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from twisted.python import log
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from twisted.internet import reactor
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log.startLogging(sys.stdout)
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factory = BroadcastServerFactory("ws://localhost:9000")
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reactor.listenTCP(9000, factory)
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reactor.run()
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