132 lines
4.7 KiB
Python
132 lines
4.7 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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import sys
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from twisted.internet import reactor
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from twisted.python import log
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from twisted.web.server import Site
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from twisted.web.static import File
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from autobahn.twisted.websocket import WebSocketServerFactory, \
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WebSocketServerProtocol, \
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listenWS
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from autobahn.websocket.compress import *
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class EchoServerProtocol(WebSocketServerProtocol):
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def onConnect(self, request):
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print("WebSocket connection request by {}".format(request.peer))
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def onOpen(self):
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print("WebSocket extensions in use: {}".format(self.websocket_extensions_in_use))
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def onMessage(self, payload, isBinary):
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self.sendMessage(payload, isBinary)
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if __name__ == '__main__':
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if len(sys.argv) > 1 and sys.argv[1] == 'debug':
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log.startLogging(sys.stdout)
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debug = True
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else:
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debug = False
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factory = WebSocketServerFactory(u"ws://127.0.0.1:9000",
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debug=debug,
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debugCodePaths=debug)
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factory.protocol = EchoServerProtocol
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# factory.setProtocolOptions(autoFragmentSize = 4)
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# Enable WebSocket extension "permessage-deflate". This is all you
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# need to do (unless you know what you are doing .. see below)!
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##
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def accept0(offers):
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for offer in offers:
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if isinstance(offer, PerMessageDeflateOffer):
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return PerMessageDeflateOfferAccept(offer)
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# Enable experimental compression extensions "permessage-snappy"
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# and "permessage-bzip2"
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##
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def accept1(offers):
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for offer in offers:
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if isinstance(offer, PerMessageSnappyOffer):
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return PerMessageSnappyOfferAccept(offer)
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elif isinstance(offer, PerMessageBzip2Offer):
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return PerMessageBzip2OfferAccept(offer)
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elif isinstance(offer, PerMessageDeflateOffer):
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return PerMessageDeflateOfferAccept(offer)
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# permessage-deflate, server requests the client to do no
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# context takeover
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##
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def accept2(offers):
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for offer in offers:
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if isinstance(offer, PerMessageDeflateOffer):
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if offer.acceptNoContextTakeover:
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return PerMessageDeflateOfferAccept(offer, requestNoContextTakeover=True)
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# permessage-deflate, server requests the client to do no
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# context takeover, and does not context takeover also
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##
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def accept3(offers):
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for offer in offers:
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if isinstance(offer, PerMessageDeflateOffer):
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if offer.acceptNoContextTakeover:
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return PerMessageDeflateOfferAccept(offer, requestNoContextTakeover=True, noContextTakeover=True)
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# permessage-deflate, server requests the client to do use
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# max window bits specified
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##
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def accept4(offers):
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for offer in offers:
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if isinstance(offer, PerMessageDeflateOffer):
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if offer.acceptMaxWindowBits:
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return PerMessageDeflateOfferAccept(offer, requestMaxWindowBits=8)
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# factory.setProtocolOptions(perMessageCompressionAccept = accept0)
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# factory.setProtocolOptions(perMessageCompressionAccept = accept1)
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# factory.setProtocolOptions(perMessageCompressionAccept = accept2)
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# factory.setProtocolOptions(perMessageCompressionAccept = accept3)
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factory.setProtocolOptions(perMessageCompressionAccept=accept4)
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listenWS(factory)
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webdir = File(".")
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web = Site(webdir)
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reactor.listenTCP(8080, web)
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reactor.run()
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