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###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) typedef int 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.
#
###############################################################################
from autobahn.twisted.websocket import WebSocketServerFactory, \
WebSocketServerProtocol
class EchoServerProtocol(WebSocketServerProtocol):
"""
Example WebSocket server protocol. This is where you define your application
specific protocol and logic.
"""
def onMessage(self, payload, isBinary):
# just echo any WebSocket message received back to client
##
self.sendMessage(payload, isBinary)
class EchoServerFactory(WebSocketServerFactory):
"""
Example WebSocket server factory. This creates new instances of our protocol
for each client connecting.
"""
protocol = EchoServerProtocol
if __name__ == '__main__':
import sys
import argparse
from twisted.python import log
from twisted.internet.endpoints import serverFromString
# parse command line arguments
##
parser = argparse.ArgumentParser()
parser.add_argument("-d", "--debug", action="store_true",
help="Enable debug output.")
parser.add_argument("--websocket", default="tcp:9000",
help='WebSocket server Twisted endpoint descriptor, e.g. "tcp:9000" or "unix:/tmp/mywebsocket".')
parser.add_argument("--wsurl", default="ws://127.0.0.1:9000",
help='WebSocket URL (must suit the endpoint), e.g. ws://127.0.0.1:9000.')
parser.add_argument("--web", default="tcp:8080",
help='Web server endpoint descriptor, e.g. "tcp:8080".')
args = parser.parse_args()
# start Twisted logging to stdout
log.startLogging(sys.stdout)
# we use an Autobahn utility to install the "best" available Twisted reactor
from autobahn.twisted.choosereactor import install_reactor
reactor = install_reactor()
print("Running on reactor {}".format(reactor))
# start a WebSocket server
wsfactory = EchoServerFactory(args.wsurl)
wsserver = serverFromString(reactor, args.websocket)
wsserver.listen(wsfactory)
# start a Web server
if args.web != "":
from twisted.web.server import Site
from twisted.web.static import File
webfactory = Site(File("."))
webserver = serverFromString(reactor, args.web)
webserver.listen(webfactory)
# now enter the Twisted reactor loop
reactor.run()
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