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###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Crossbar.io Technologies 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
import os
import socket
from twisted.internet import tcp
from autobahn.twisted.websocket import WebSocketServerProtocol, \
WebSocketServerFactory
class CustomPort(tcp.Port):
def __init__(self, port, factory, backlog=50, interface='', reactor=None, reuse=False):
tcp.Port.__init__(self, port, factory, backlog, interface, reactor)
self._reuse = reuse
def createInternetSocket(self):
s = tcp.Port.createInternetSocket(self)
if self._reuse:
#
# reuse IP Port
#
if 'bsd' in sys.platform or \
sys.platform.startswith('linux') or \
sys.platform.startswith('darwin'):
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
elif sys.platform == 'win32':
# on Windows, REUSEADDR already implies REUSEPORT
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
else:
raise Exception("don't know how to set SO_REUSEPORT on platform {}".format(sys.platform))
return s
class MyServerProtocol(WebSocketServerProtocol):
def onConnect(self, request):
print("Client connecting: {0} on server PID {1}".format(request.peer, os.getpid()))
def onOpen(self):
print("WebSocket connection open.")
def onMessage(self, payload, isBinary):
if isBinary:
print("Binary message received: {0} bytes".format(len(payload)))
else:
print("Text message received: {0}".format(payload.decode('utf8')))
# echo back message verbatim
self.sendMessage(payload, isBinary)
def onClose(self, wasClean, code, reason):
print("WebSocket connection closed: {0}".format(reason))
if __name__ == '__main__':
from twisted.python import log
from twisted.internet import reactor
log.startLogging(sys.stdout)
factory = WebSocketServerFactory(u"ws://127.0.0.1:9000")
factory.protocol = MyServerProtocol
# reactor.listenTCP(9000, factory)
p = CustomPort(9000, factory, reuse=True)
p.startListening()
print p
reactor.run()
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