Files
deb-python-autobahn/examples/twisted/websocket/echo_compressed/server.py
2015-09-05 11:08:13 +02:00

88 lines
2.8 KiB
Python

###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Tavendo GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
import sys
from twisted.internet import reactor
from twisted.python import log
from twisted.web.server import Site
from twisted.web.static import File
from autobahn.twisted.websocket import WebSocketServerProtocol, \
WebSocketServerFactory, \
listenWS
from autobahn.websocket.compress import PerMessageDeflateOffer, \
PerMessageDeflateOfferAccept
class EchoServerProtocol(WebSocketServerProtocol):
def onConnect(self, request):
print("WebSocket connection request by {}".format(request.peer))
def onOpen(self):
print("WebSocket extensions in use: {}".format(self.websocket_extensions_in_use))
def onMessage(self, payload, isBinary):
self.sendMessage(payload, isBinary)
if __name__ == '__main__':
if len(sys.argv) > 1 and sys.argv[1] == 'debug':
log.startLogging(sys.stdout)
debug = True
else:
debug = False
factory = WebSocketServerFactory(u"ws://127.0.0.1:9000",
debug=debug,
debugCodePaths=debug)
factory.protocol = EchoServerProtocol
# Enable WebSocket extension "permessage-deflate".
##
# Function to accept offers from the client ..
def accept(offers):
for offer in offers:
if isinstance(offer, PerMessageDeflateOffer):
return PerMessageDeflateOfferAccept(offer)
factory.setProtocolOptions(perMessageCompressionAccept=accept)
# run server
##
listenWS(factory)
webdir = File(".")
web = Site(webdir)
reactor.listenTCP(8080, web)
reactor.run()