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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
from twisted.internet import reactor, ssl
from twisted.python import log
from twisted.web.server import Site
from twisted.web.static import File
from autobahn.twisted.websocket import WebSocketServerFactory, \
WebSocketServerProtocol, \
listenWS
from autobahn.twisted.resource import WebSocketResource
class PingServerProtocol(WebSocketServerProtocol):
def doPing(self):
if self.run:
self.sendPing()
self.factory.pingsSent[self.peer] += 1
print("Ping sent to {} - {}".format(self.peer, self.factory.pingsSent[self.peer]))
reactor.callLater(1, self.doPing)
def onPong(self, payload):
self.factory.pongsReceived[self.peer] += 1
print("Pong received from {} - {}".format(self.peer, self.factory.pongsReceived[self.peer]))
def onOpen(self):
self.factory.pingsSent[self.peer] = 0
self.factory.pongsReceived[self.peer] = 0
self.run = True
self.doPing()
def onClose(self, wasClean, code, reason):
self.run = False
class PingServerFactory(WebSocketServerFactory):
def __init__(self, uri):
WebSocketServerFactory.__init__(self, uri)
self.pingsSent = {}
self.pongsReceived = {}
if __name__ == '__main__':
log.startLogging(sys.stdout)
contextFactory = ssl.DefaultOpenSSLContextFactory('keys/server.key',
'keys/server.crt')
factory = PingServerFactory("wss://127.0.0.1:9000")
factory.protocol = PingServerProtocol
listenWS(factory, contextFactory)
resource = WebSocketResource(factory)
root = File(".")
# note that Twisted uses bytes for URLs, which mostly affects Python3
root.putChild(b"ws", resource)
site = Site(root)
reactor.listenSSL(8080, site, contextFactory)
# reactor.listenTCP(8080, site)
reactor.run()
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