Python WampWebSocketServerFactory.buildProtocol方法代码示例

# 需要导入模块: from autobahn.twisted.websocket import WampWebSocketServerFactory [as 别名]
# 或者: from autobahn.twisted.websocket.WampWebSocketServerFactory import buildProtocol [as 别名]

#.........这里部分代码省略.........

    # make sure logging to something else than stdio is setup _first_
    #
    from twisted.python import log
    from crossbar.twisted.processutil import BareFormatFileLogObserver
    flo = BareFormatFileLogObserver(sys.stderr)
    log.startLoggingWithObserver(flo.emit)

    try:
        import setproctitle
    except ImportError:
        log.msg("Warning: could not set worker process title (setproctitle not installed)")
    else:
        # set process title if requested to
        #
        if options.title:
            setproctitle.setproctitle(options.title)
        else:
            WORKER_TYPE_TO_TITLE = {
                'router': 'crossbar-worker [router]',
                'container': 'crossbar-worker [container]'
            }
            setproctitle.setproctitle(WORKER_TYPE_TO_TITLE[options.type].strip())

    # we use an Autobahn utility to import the "best" available Twisted reactor
    #
    from autobahn.twisted.choosereactor import install_reactor
    reactor = install_reactor(options.reactor)

    from twisted.python.reflect import qual
    log.msg("Running under {} using {} reactor".format(platform.python_implementation(), qual(reactor.__class__).split('.')[-1]))

    options.cbdir = os.path.abspath(options.cbdir)
    os.chdir(options.cbdir)
    # log.msg("Starting from node directory {}".format(options.cbdir))

    from crossbar.worker.router import RouterWorkerSession
    from crossbar.worker.container import ContainerWorkerSession

    WORKER_TYPE_TO_CLASS = {
        'router': RouterWorkerSession,
        'container': ContainerWorkerSession
    }

    from autobahn.twisted.websocket import WampWebSocketServerProtocol

    class WorkerServerProtocol(WampWebSocketServerProtocol):

        def connectionLost(self, reason):
            try:
                # this log message is unlikely to reach the controller (unless
                # only stdin/stdout pipes were lost, but not stderr)
                log.msg("Connection to node controller lost.")
                WampWebSocketServerProtocol.connectionLost(self, reason)
            except:
                pass
            finally:
                # loosing the connection to the node controller is fatal:
                # stop the reactor and exit with error
                if reactor.running:
                    reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
                    reactor.stop()
                else:
                    sys.exit(1)

    try:
        # create a WAMP application session factory
        #
        from autobahn.twisted.wamp import ApplicationSessionFactory
        from autobahn.wamp.types import ComponentConfig

        session_config = ComponentConfig(realm=options.realm, extra=options)
        session_factory = ApplicationSessionFactory(session_config)
        session_factory.session = WORKER_TYPE_TO_CLASS[options.type]

        # create a WAMP-over-WebSocket transport server factory
        #
        from autobahn.twisted.websocket import WampWebSocketServerFactory
        transport_factory = WampWebSocketServerFactory(session_factory, "ws://localhost", debug=False, debug_wamp=False)
        transport_factory.protocol = WorkerServerProtocol
        transport_factory.setProtocolOptions(failByDrop=False)

        # create a protocol instance and wire up to stdio
        #
        from twisted.internet import stdio
        proto = transport_factory.buildProtocol(None)
        stdio.StandardIO(proto)

        # now start reactor loop
        #
        log.msg("Entering event loop ..")
        reactor.run()

    except Exception as e:
        log.msg("Unhandled exception: {}".format(e))
        if reactor.running:
            reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
            reactor.stop()
        else:
            sys.exit(1)

# 需要导入模块: from autobahn.twisted.websocket import WampWebSocketServerFactory [as 别名]
# 或者: from autobahn.twisted.websocket.WampWebSocketServerFactory import buildProtocol [as 别名]

#.........这里部分代码省略.........

    # we use an Autobahn utility to import the "best" available Twisted reactor
    #
    from autobahn.twisted.choosereactor import install_reactor
    reactor = install_reactor(options.reactor)

    from twisted.python.reflect import qual
    log.info("Worker running under {python}-{reactor}",
             python=platform.python_implementation(),
             reactor=qual(reactor.__class__).split('.')[-1])

    options.cbdir = os.path.abspath(options.cbdir)
    os.chdir(options.cbdir)
    # log.msg("Starting from node directory {}".format(options.cbdir))

    from crossbar.worker.router import RouterWorkerSession
    from crossbar.worker.container import ContainerWorkerSession

    WORKER_TYPE_TO_CLASS = {
        'router': RouterWorkerSession,
        'container': ContainerWorkerSession
    }

    from autobahn.twisted.websocket import WampWebSocketServerProtocol

    class WorkerServerProtocol(WampWebSocketServerProtocol):

        def connectionLost(self, reason):
            try:
                # this log message is unlikely to reach the controller (unless
                # only stdin/stdout pipes were lost, but not stderr)
                log.warn("Connection to node controller lost.")
                WampWebSocketServerProtocol.connectionLost(self, reason)
            except:
                pass
            finally:
                # losing the connection to the node controller is fatal:
                # stop the reactor and exit with error
                log.info("No more controller connection; shutting down.")
                reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
                try:
                    reactor.stop()
                except ReactorNotRunning:
                    pass

    try:
        # create a WAMP application session factory
        #
        from autobahn.twisted.wamp import ApplicationSessionFactory
        from autobahn.wamp.types import ComponentConfig

        session_config = ComponentConfig(realm=options.realm, extra=options)
        session_factory = ApplicationSessionFactory(session_config)
        session_factory.session = WORKER_TYPE_TO_CLASS[options.type]

        # create a WAMP-over-WebSocket transport server factory
        #
        from autobahn.twisted.websocket import WampWebSocketServerFactory
        transport_factory = WampWebSocketServerFactory(session_factory, "ws://localhost", debug=False, debug_wamp=False)
        transport_factory.protocol = WorkerServerProtocol
        transport_factory.setProtocolOptions(failByDrop=False)

        # create a protocol instance and wire up to stdio
        #
        from twisted.python.runtime import platform as _platform
        from twisted.internet import stdio
        proto = transport_factory.buildProtocol(None)
        if _platform.isWindows():
            stdio.StandardIO(proto)
        else:
            stdio.StandardIO(proto, stdout=3)

        # now start reactor loop
        #
        if False:
            log.info("vmprof enabled.")

            import os
            import vmprof

            PROFILE_FILE = 'vmprof_{}.dat'.format(os.getpid())

            outfd = os.open(PROFILE_FILE, os.O_RDWR | os.O_CREAT | os.O_TRUNC)
            vmprof.enable(outfd, period=0.01)

            log.info("Entering event loop...")
            reactor.run()

            vmprof.disable()
        else:
            log.debug("Entering event loop...")
            reactor.run()

    except Exception as e:
        log.info("Unhandled exception: {}".format(e))
        if reactor.running:
            reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
            reactor.stop()
        else:
            sys.exit(1)

# 需要导入模块: from autobahn.twisted.websocket import WampWebSocketServerFactory [as 别名]
# 或者: from autobahn.twisted.websocket.WampWebSocketServerFactory import buildProtocol [as 别名]

#.........这里部分代码省略.........
   ## make sure logging to something else than stdio is setup _first_
   ##
   from crossbar.twisted.process import BareFormatFileLogObserver
   flo = BareFormatFileLogObserver(sys.stderr)
   log.startLoggingWithObserver(flo.emit)


   ## the worker's PID
   ##
   pid = os.getpid()


   try:
      import setproctitle
   except ImportError:
      log.msg("Warning, could not set process title (setproctitle not installed)")
   else:
      ## set process title if requested to
      ##
      if options.name:
         setproctitle.setproctitle(options.name)
      else:
         setproctitle.setproctitle("Crossbar.io Worker")


   ## Crossbar.io node directory
   ##
   if hasattr(options, 'cbdir') and not options.cbdir:
      if os.environ.has_key("CROSSBAR_DIR"):
         options.cbdir = os.environ['CROSSBAR_DIR']
      else:
         options.cbdir = '.crossbar'

   options.cbdir = os.path.abspath(options.cbdir)
   log.msg("Starting from node directory {}.".format(options.cbdir))


   ## we use an Autobahn utility to import the "best" available Twisted reactor
   ##
   from autobahn.twisted.choosereactor import install_reactor
   reactor = install_reactor(options.reactor)

   from twisted.python.reflect import qual
   log.msg("Running on {} reactor.".format(qual(reactor.__class__).split('.')[-1]))


   from autobahn.twisted.websocket import WampWebSocketServerProtocol

   class WorkerServerProtocol(WampWebSocketServerProtocol):

      def connectionLost(self, reason):
         try:
            log.msg("Connection to node controller lost.")
            WampWebSocketServerProtocol.connectionLost(self, reason)
         except:
            pass
         finally:
            ## loosing the connection to the node controller (the pipes) is fatal.
            ## stop the reactor and exit with error
            if reactor.running:
               reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
               reactor.stop()
            else:
               sys.exit(1)

   try:
      ## create a WAMP application session factory
      ##
      from autobahn.twisted.wamp import ApplicationSessionFactory
      session_factory = ApplicationSessionFactory()
      session_factory.options = options
      session_factory.session = WorkerProcess

      ## create a WAMP-over-WebSocket transport server factory
      ##
      from autobahn.twisted.websocket import WampWebSocketServerFactory
      transport_factory = WampWebSocketServerFactory(session_factory, "ws://localhost", debug = False)
      transport_factory.protocol = WorkerServerProtocol
      transport_factory.setProtocolOptions(failByDrop = False)

      ## create a protocol instance and wire up to stdio
      ##
      from twisted.internet import stdio
      proto = transport_factory.buildProtocol(None)
      stdio.StandardIO(proto)

      ## now start reactor loop
      ##
      log.msg("Entering event loop ..")

      #reactor.callLater(4, reactor.stop)
      reactor.run()

   except Exception as e:
      log.msg("Unhandled exception - {}".format(e))
      if reactor.running:
         reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
         reactor.stop()
      else:
         sys.exit(1)

# 需要导入模块: from autobahn.twisted.websocket import WampWebSocketServerFactory [as 别名]
# 或者: from autobahn.twisted.websocket.WampWebSocketServerFactory import buildProtocol [as 别名]
def run():
   """
   Entry point into background worker process. This wires up stuff such that
   a WorkerProcess instance is talking WAMP over stdio to the node controller.
   """
   ## create the top-level parser
   ##
   import argparse
   parser = argparse.ArgumentParser()

   parser.add_argument('-d',
                       '--debug',
                       action = 'store_true',
                       help = 'Debug on.')

   parser.add_argument('--reactor',
                       default = None,
                       choices = ['select', 'poll', 'epoll', 'kqueue', 'iocp'],
                       help = 'Explicit Twisted reactor selection')

   parser.add_argument('--cbdir',
                       type = str,
                       default = None,
                       help = "Crossbar.io node directory (overrides ${CROSSBAR_DIR} and the default ./.crossbar)")

   parser.add_argument('-l',
                       '--logfile',
                       default = None,
                       help = 'Log to log file instead of stderr.')

   options = parser.parse_args()

   ## make sure logging to something else than stdio is setup _first_
   ##
   if options.logfile:
      log.startLogging(open(options.logfile, 'a'))
   else:
      log.startLogging(sys.stderr)


   pid = os.getpid()

   ## Crossbar.io node directory
   ##
   if hasattr(options, 'cbdir') and not options.cbdir:
      if os.environ.has_key("CROSSBAR_DIR"):
         options.cbdir = os.environ['CROSSBAR_DIR']
      else:
         options.cbdir = '.crossbar'

   options.cbdir = os.path.abspath(options.cbdir)


   ## we use an Autobahn utility to import the "best" available Twisted reactor
   ##
   from autobahn.twisted.choosereactor import install_reactor
   reactor = install_reactor(options.reactor)

   ##
   from twisted.python.reflect import qual
   log.msg("Worker {}: starting at node directory {} on {} ..".format(pid, options.cbdir, qual(reactor.__class__).split('.')[-1]))

   try:
      ## create a WAMP application session factory
      ##
      from autobahn.twisted.wamp import ApplicationSessionFactory
      session_factory = ApplicationSessionFactory()
      session_factory.options = options
      session_factory.session = WorkerProcess

      ## create a WAMP-over-WebSocket transport server factory
      ##
      from autobahn.twisted.websocket import WampWebSocketServerFactory
      transport_factory = WampWebSocketServerFactory(session_factory, "ws://localhost", debug = False)
      transport_factory.setProtocolOptions(failByDrop = False)

      ## create a protocol instance and wire up to stdio
      ##
      from twisted.internet import stdio
      proto = transport_factory.buildProtocol(None)
      stdio.StandardIO(proto)

      ## now start reactor loop
      ##
      log.msg("Worker {}: entering event loop ..".format(pid))
      reactor.run()

   except Exception as e:
      log.msg("Worker {}: Unhandled exception - {}".format(pid, e))
      raise e
      sys.exit(1)

# 需要导入模块: from autobahn.twisted.websocket import WampWebSocketServerFactory [as 别名]
# 或者: from autobahn.twisted.websocket.WampWebSocketServerFactory import buildProtocol [as 别名]

#.........这里部分代码省略.........
    from twisted.internet.error import ConnectionDone
    from autobahn.twisted.websocket import WampWebSocketServerProtocol

    class WorkerServerProtocol(WampWebSocketServerProtocol):

        def connectionLost(self, reason):
            # the behavior here differs slightly whether we're shutting down orderly
            # or shutting down because of "issues"
            if isinstance(reason.value, ConnectionDone):
                was_clean = True
            else:
                was_clean = False

            try:
                # this log message is unlikely to reach the controller (unless
                # only stdin/stdout pipes were lost, but not stderr)
                if was_clean:
                    log.info("Connection to node controller closed cleanly")
                else:
                    log.warn("Connection to node controller lost: {reason}", reason=reason)

                # give the WAMP transport a change to do it's thing
                WampWebSocketServerProtocol.connectionLost(self, reason)
            except:
                # we're in the process of shutting down .. so ignore ..
                pass
            finally:
                # after the connection to the node controller is gone,
                # the worker is "orphane", and should exit

                # determine process exit code
                if was_clean:
                    exit_code = 0
                else:
                    exit_code = 1

                # exit the whole worker process when the reactor has stopped
                reactor.addSystemEventTrigger('after', 'shutdown', os._exit, exit_code)

                # stop the reactor
                try:
                    reactor.stop()
                except ReactorNotRunning:
                    pass

    try:
        # define a WAMP application session factory
        #
        from autobahn.wamp.types import ComponentConfig

        def make_session():
            session_config = ComponentConfig(realm=options.realm, extra=options)
            session = klass(config=session_config, reactor=reactor, personality=Personality)
            return session

        # create a WAMP-over-WebSocket transport server factory
        #
        from autobahn.twisted.websocket import WampWebSocketServerFactory
        transport_factory = WampWebSocketServerFactory(make_session, u'ws://localhost')
        transport_factory.protocol = WorkerServerProtocol
        transport_factory.setProtocolOptions(failByDrop=False)

        # create a protocol instance and wire up to stdio
        #
        from twisted.python.runtime import platform as _platform
        from twisted.internet import stdio
        proto = transport_factory.buildProtocol(None)
        if _platform.isWindows():
            stdio.StandardIO(proto)
        else:
            stdio.StandardIO(proto, stdout=3)

        # now start reactor loop
        #
        if False:
            log.info("vmprof enabled.")

            import os
            import vmprof

            PROFILE_FILE = 'vmprof_{}.dat'.format(os.getpid())

            outfd = os.open(PROFILE_FILE, os.O_RDWR | os.O_CREAT | os.O_TRUNC)
            vmprof.enable(outfd, period=0.01)

            log.info(hl('Entering event reactor ...', color='cyan', bold=True))
            reactor.run()

            vmprof.disable()
        else:
            log.info(hl('Entering event reactor ...', color='cyan', bold=True))
            reactor.run()

    except Exception as e:
        log.info("Unhandled exception: {e}", e=e)
        if reactor.running:
            reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
            reactor.stop()
        else:
            sys.exit(1)

# 需要导入模块: from autobahn.twisted.websocket import WampWebSocketServerFactory [as 别名]
# 或者: from autobahn.twisted.websocket.WampWebSocketServerFactory import buildProtocol [as 别名]

#.........这里部分代码省略.........
    from crossbar._logging import Logger, make_JSON_observer

    log = Logger()
    _stderr = sys.stderr
    flo = make_JSON_observer(_stderr)
    globalLogBeginner.beginLoggingTo([flo])

    try:
        import setproctitle
    except ImportError:
        log.info("Warning: could not set worker process title (setproctitle not installed)")
    else:
        # set process title if requested to
        #
        if options.title:
            setproctitle.setproctitle(options.title)
        else:
            WORKER_TYPE_TO_TITLE = {
                'router': 'crossbar-worker [router]',
                'container': 'crossbar-worker [container]'
            }
            setproctitle.setproctitle(WORKER_TYPE_TO_TITLE[options.type].strip())

    # we use an Autobahn utility to import the "best" available Twisted reactor
    #
    from autobahn.twisted.choosereactor import install_reactor
    reactor = install_reactor(options.reactor)

    from twisted.python.reflect import qual
    log.info("Running under {python} using {reactor} reactor",
             python=platform.python_implementation(),
             reactor=qual(reactor.__class__).split('.')[-1])

    options.cbdir = os.path.abspath(options.cbdir)
    os.chdir(options.cbdir)
    # log.msg("Starting from node directory {}".format(options.cbdir))

    from crossbar.worker.router import RouterWorkerSession
    from crossbar.worker.container import ContainerWorkerSession

    WORKER_TYPE_TO_CLASS = {
        'router': RouterWorkerSession,
        'container': ContainerWorkerSession
    }

    from autobahn.twisted.websocket import WampWebSocketServerProtocol

    class WorkerServerProtocol(WampWebSocketServerProtocol):

        def connectionLost(self, reason):
            try:
                # this log message is unlikely to reach the controller (unless
                # only stdin/stdout pipes were lost, but not stderr)
                log.warn("Connection to node controller lost.")
                WampWebSocketServerProtocol.connectionLost(self, reason)
            except:
                pass
            finally:
                # loosing the connection to the node controller is fatal:
                # stop the reactor and exit with error
                if reactor.running:
                    reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
                    reactor.stop()
                # if the reactor *isn't* running, we're already shutting down

    try:
        # create a WAMP application session factory
        #
        from autobahn.twisted.wamp import ApplicationSessionFactory
        from autobahn.wamp.types import ComponentConfig

        session_config = ComponentConfig(realm=options.realm, extra=options)
        session_factory = ApplicationSessionFactory(session_config)
        session_factory.session = WORKER_TYPE_TO_CLASS[options.type]

        # create a WAMP-over-WebSocket transport server factory
        #
        from autobahn.twisted.websocket import WampWebSocketServerFactory
        transport_factory = WampWebSocketServerFactory(session_factory, "ws://localhost", debug=False, debug_wamp=False)
        transport_factory.protocol = WorkerServerProtocol
        transport_factory.setProtocolOptions(failByDrop=False)

        # create a protocol instance and wire up to stdio
        #
        from twisted.internet import stdio
        proto = transport_factory.buildProtocol(None)
        stdio.StandardIO(proto)

        # now start reactor loop
        #
        log.info("Entering event loop...")
        reactor.run()

    except Exception as e:
        log.info("Unhandled exception: {}".format(e))
        if reactor.running:
            reactor.addSystemEventTrigger('after', 'shutdown', os._exit, 1)
            reactor.stop()
        else:
            sys.exit(1)