def _cleanup(self, signum=None, graceful=True):
"""
Shutdowns any running module processes
and adds a callback to stop the event loop & ZeroMQ
:param signum: signal number (if called by a signal handler)
:param graceful: gracefully stop the modules
"""
# terminate all modules
for module in self._modules:
if module.is_alive() and graceful:
log.info("stopping {}".format(module.name))
self.stop_module(module.name)
module.join(timeout=3)
if module.is_alive():
# just kill the module if it is still alive.
log.info("terminating {}".format(module.name))
module.terminate()
module.join(timeout=1)
ioloop = tornado.ioloop.IOLoop.instance()
if signum:
ioloop.add_callback_from_signal(self._shutdown)
else:
ioloop.add_callback(self._shutdown)
def _cleanup(self, signum=None, graceful=True):
"""
Shutdowns any running module processes
and adds a callback to stop the event loop & ZeroMQ
:param signum: signal number (if called by a signal handler)
:param graceful: gracefully stop the modules
"""
# terminate all modules
for module in self._modules:
if module.is_alive() and graceful:
log.info("stopping {}".format(module.name))
self.stop_module(module.name)
module.join(timeout=3)
if module.is_alive():
# just kill the module if it is still alive.
log.info("terminating {}".format(module.name))
module.terminate()
module.join(timeout=1)
ioloop = tornado.ioloop.IOLoop.instance()
if signum:
ioloop.add_callback_from_signal(self._shutdown)
else:
ioloop.add_callback(self._shutdown)
def queue_response(self, response):
ioloop = tornado.ioloop.IOLoop.instance()
def send_response(*args):
self._send_response(response)
try:
# calling write_message or the socket is not thread safe
ioloop.add_callback(send_response)
except:
logging.error("Error adding callback", exc_info=True)
def __init__(self, ioloop, address):
self.address = address
self._topics = {}
self._subscribers = []
self.ioloop = ioloop
def callback():
s = ctx.socket(zmq.PUB)
self.stream = zmq.eventloop.zmqstream.ZMQStream(s, io_loop=ioloop)
self.stream.bind(self.address)
self.debug('start publisher on %s', self.address)
ioloop.add_callback(callback)
def __init__(self, ioloop, address):
self.address = address
self.dispatch_table = {}
self.ioloop = ioloop
def callback():
s = ctx.socket(zmq.SUB)
self.stream = zmq.eventloop.zmqstream.ZMQStream(s, io_loop=ioloop)
self.stream.on_recv(self.dispatch)
self.stream.connect(self.address)
self.debug('start subscriber on %s', self.address)
ioloop.add_callback(callback)