116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
###############################################################################
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#
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# The MIT License (MIT)
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#
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# Copyright (c) Crossbar.io Technologies 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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import platform
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import txaio
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txaio.use_twisted()
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from twisted.internet import reactor
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import autobahn
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from autobahn.twisted.websocket import WebSocketServerProtocol, \
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WebSocketServerFactory
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from autobahn.websocket.compress import PerMessageDeflateOffer, \
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PerMessageDeflateOfferAccept
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# FIXME: streaming mode API is currently incompatible with permessage-deflate!
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USE_STREAMING_TESTEE = False
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class TesteeServerProtocol(WebSocketServerProtocol):
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"""
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A message-based WebSocket echo server.
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"""
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def onMessage(self, payload, isBinary):
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self.sendMessage(payload, isBinary)
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class StreamingTesteeServerProtocol(WebSocketServerProtocol):
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"""
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A streaming WebSocket echo server.
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"""
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def onMessageBegin(self, isBinary):
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WebSocketServerProtocol.onMessageBegin(self, isBinary)
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self.beginMessage(isBinary)
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def onMessageFrameBegin(self, length):
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WebSocketServerProtocol.onMessageFrameBegin(self, length)
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self.beginMessageFrame(length)
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def onMessageFrameData(self, payload):
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self.sendMessageFrameData(payload)
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def onMessageFrameEnd(self):
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pass
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def onMessageEnd(self):
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self.endMessage()
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class TesteeServerFactory(WebSocketServerFactory):
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log = txaio.make_logger()
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if USE_STREAMING_TESTEE:
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protocol = StreamingTesteeServerProtocol
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else:
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protocol = TesteeServerProtocol
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def __init__(self, url):
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testee_ident = autobahn.twisted.__ident__
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self.log.info("Testee identification: {testee_ident}", testee_ident=testee_ident)
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WebSocketServerFactory.__init__(self, url, server=testee_ident)
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self.setProtocolOptions(failByDrop=False) # spec conformance
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# self.setProtocolOptions(utf8validateIncoming = False)
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if USE_STREAMING_TESTEE:
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self.setProtocolOptions(failByDrop=True) # needed for streaming mode
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else:
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# enable permessage-deflate WebSocket protocol extension
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def accept(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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self.setProtocolOptions(perMessageCompressionAccept=accept)
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if __name__ == '__main__':
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txaio.start_logging(level='info')
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factory = TesteeServerFactory(u"ws://127.0.0.1:9001")
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reactor.listenTCP(9001, factory)
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reactor.run()
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