Пример #1
0
    def onJoin(self, details):

        from autobahn.wamp.types import SubscribeOptions

        self.log.debug("Joined realm '{realm}' on node management router", realm=details.realm)

        # When a (native) worker process has connected back to the router of
        # the node controller, the worker will publish this event
        # to signal it's readyness.
        #
        def on_worker_ready(res):
            worker_id = res['id']
            if worker_id in self._workers:
                ready = self._workers[worker_id].ready
                if not ready.called:
                    # fire the Deferred previously stored for
                    # signaling "worker ready"
                    ready.callback(worker_id)
                else:
                    self.log.error("Internal error: on_worker_ready() fired for process {process}, but already called earlier",
                                   process=worker_id)
            else:
                self.log.error("Internal error: on_worker_ready() fired for process {process}, but no process with that ID",
                               process=worker_id)

        self.subscribe(on_worker_ready, u'crossbar.worker..on_worker_ready', SubscribeOptions(match=u'wildcard'))

        yield NativeProcess.onJoin(self, details)
        # above upcall registers procedures we have marked with @wamp.register(None)

        # we need to catch SIGINT here to properly shutdown the
        # node explicitly (a Twisted system trigger wouldn't allow us to distinguish
        # different reasons/origins of exiting ..)
        def signal_handler(_signal, frame):
            if _signal == signal.SIGINT:
                # CTRL-C'ing Crossbar.io is considered "willful", and hence we want to exit cleanly
                self._shutdown_was_clean = True
            elif _signal == signal.SIGTERM:
                self._shutdown_was_clean = False
            else:
                # FIXME: can we run into others here?
                self._shutdown_was_clean = False

            self.log.warn('Controller received SIGINT [signal={signal}]: shutting down node [shutdown_was_clean={shutdown_was_clean}] ..', signal=_signal, shutdown_was_clean=self._shutdown_was_clean)

            # the following will shutdown the Twisted reactor in the end
            self.shutdown()

        signal.signal(signal.SIGINT, signal_handler)
        self.log.info('Signal handler installed on process {pid} thread {tid}', pid=os.getpid(), tid=threading.get_ident())

        self._started = utcnow()

        self.publish(u"crossbar.on_ready")

        self.log.debug("Node controller ready")
Пример #2
0
    def onJoin(self, details):

        from autobahn.wamp.types import SubscribeOptions

        self.log.debug("Joined realm '{realm}' on node management router", realm=details.realm)

        # When a (native) worker process has connected back to the router of
        # the node controller, the worker will publish this event
        # to signal it's readyness.
        #
        def on_worker_ready(res):
            worker_id = res['id']
            if worker_id in self._workers:
                ready = self._workers[worker_id].ready
                if not ready.called:
                    # fire the Deferred previously stored for
                    # signaling "worker ready"
                    ready.callback(worker_id)
                else:
                    self.log.error("Internal error: on_worker_ready() fired for process {process}, but already called earlier",
                                   process=worker_id)
            else:
                self.log.error("Internal error: on_worker_ready() fired for process {process}, but no process with that ID",
                               process=worker_id)

        self.subscribe(on_worker_ready, u'crossbar.worker..on_worker_ready', SubscribeOptions(match=u'wildcard'))

        yield NativeProcess.onJoin(self, details)
        # above upcall registers procedures we have marked with @wamp.register(None)

        # we need to catch SIGINT here to properly shutdown the
        # node explicitly (a Twisted system trigger wouldn't allow us to distinguish
        # different reasons/origins of exiting ..)
        def signal_handler(_signal, frame):
            if _signal == signal.SIGINT:
                # CTRL-C'ing Crossbar.io is considered "willful", and hence we want to exit cleanly
                self._shutdown_was_clean = True
            elif _signal == signal.SIGTERM:
                self._shutdown_was_clean = False
            else:
                # FIXME: can we run into others here?
                self._shutdown_was_clean = False

            self.log.warn('Controller received SIGINT [signal={signal}]: shutting down node [shutdown_was_clean={shutdown_was_clean}] ..', signal=_signal, shutdown_was_clean=self._shutdown_was_clean)

            # the following will shutdown the Twisted reactor in the end
            self.shutdown()

        signal.signal(signal.SIGINT, signal_handler)
        self.log.info('Signal handler installed on process {pid} thread {tid}', pid=os.getpid(), tid=threading.get_ident())

        self._started = utcnow()

        self.publish(u"crossbar.on_ready")

        self.log.debug("Node controller ready")
Пример #3
0
    def onJoin(self, details, publish_ready=True):
        """
        Called when worker process has joined the node management realm.
        """
        yield NativeProcess.onJoin(self, details)
        # above upcall registers all our "@wamp.register(None)" methods

        # setup SIGTERM handler to orderly shutdown the worker
        def shutdown(sig, frame):
            self.log.warn("Native worker received SIGTERM - shutting down ..")
            self.shutdown()
        signal.signal(signal.SIGTERM, shutdown)

        # the worker is ready for work!
        if publish_ready:
            yield self.publish_ready()
Пример #4
0
    def onJoin(self, details, publish_ready=True):
        """
        Called when worker process has joined the node management realm.
        """
        yield NativeProcess.onJoin(self, details)
        # above upcall registers all our "@wamp.register(None)" methods

        # setup SIGTERM handler to orderly shutdown the worker
        def shutdown(sig, frame):
            self.log.warn("Native worker received SIGTERM - shutting down ..")
            self.shutdown()
        signal.signal(signal.SIGTERM, shutdown)

        # the worker is ready for work!
        if publish_ready:
            yield self.publish_ready()