class PluginManager(EventManager):
def __init__(self, controller):
super(PluginManager, self).__init__(controller)
self.load_plugins()
try:
config = self.controller.config_file.items('router')
except NoSectionError:
config = {}
zmq_factory = ZmqFactory()
sub_endpoint = ZmqEndpoint('connect', config.get('sub-endpoint', DEFAULT_SUB_ENDPOINT))
self.zmq_pub = ZmqPubConnection(zmq_factory, sub_endpoint)
def load_plugins(self):
plugin_classes = list(getPlugins(IAutomatronPluginFactory))
for plugin_class in plugin_classes:
try:
zope.interface.verify.verifyObject(IAutomatronPluginFactory, plugin_class)
except (zope.interface.verify.BrokenImplementation, zope.interface.verify.BrokenMethodImplementation) as e:
log.err(e, 'Plugin %s is broken' % plugin_class.__name__)
continue
self.register_event_handler(plugin_class(self.controller))
def emit(self, event, *args):
tag = '%s.%s' % (event.interface.getName(), event.getName())
self.zmq_pub.publish(cPickle.dumps(args), tag)
def emit_internal(self, event, *args):
tag = '%s.%s' % (event.interface.getName(), event.getName())
self.dispatch_event(tag, *args)
def __init__(self, zmq_factory, port, data_manager=None):
self.data_manager = data_manager
endpoint = ZmqEndpoint(ZmqEndpointType.bind, "tcp://*:%d" % port)
ZmqPubConnection.__init__(self, zmq_factory, endpoint)
def __init__(self, controller):
super(PluginManager, self).__init__(controller)
self.load_plugins()
try:
config = self.controller.config_file.items('router')
except NoSectionError:
config = {}
zmq_factory = ZmqFactory()
sub_endpoint = ZmqEndpoint('connect', config.get('sub-endpoint', DEFAULT_SUB_ENDPOINT))
self.zmq_pub = ZmqPubConnection(zmq_factory, sub_endpoint)
def __init__(self):
self.zf = ZmqFactory()
self.bind_to = "tcp://127.0.0.1:5555"
#These are just a namedtuples that hold the connection type AND
# the target address.
self.server = ZmqEndpoint('bind', self.bind_to)
self.client = ZmqEndpoint('connect', self.bind_to)
#The actual publisher/server socket
self.server_s = ZmqPubConnection(self.zf, self.server)
#A brute force way to hold client sockets and prevent them from
# getting lost.
self.clients = []
from txzmq import ZmqEndpoint, ZmqFactory, ZmqPubConnection, ZmqSubConnection
parser = OptionParser("")
parser.add_option("-m", "--method", dest="method", help="0MQ socket connection: bind|connect")
parser.add_option("-e", "--endpoint", dest="endpoint", help="0MQ Endpoint")
parser.add_option("-M", "--mode", dest="mode", help="Mode: publisher|subscriber")
parser.set_defaults(method="connect", endpoint="epgm://eth0;239.192.1.1:10011")
(options, args) = parser.parse_args()
zf = ZmqFactory()
e = ZmqEndpoint(options.method, options.endpoint)
if options.mode == "publisher":
s = ZmqPubConnection(zf, e)
def publish():
data = str(time.time())
print("publishing %r" % data)
s.publish(data.encode())
reactor.callLater(1, publish)
publish()
else:
s = ZmqSubConnection(zf, e)
s.subscribe(b"")
def doPrint(*args):
print("message received: %r" % (args, ))
parser = OptionParser("")
parser.add_option("-m", "--method", dest="method",
help="0MQ socket connection: bind|connect",
default='bind')
parser.add_option("-e", "--endpoint", dest="endpoint", help="0MQ Endpoint")
parser.add_option("-M", "--mode", dest="mode", help="Mode: publisher|subscriber")
parser.set_defaults(method="connect", endpoint="tcp://127.0.0.1:1024")
(options, args) = parser.parse_args()
zf = ZmqFactory()
e = ZmqEndpoint(options.method, options.endpoint)
if options.mode == "publisher":
print "Publisher", options
s = ZmqPubConnection(zf, e)
def publish():
data = str(time.time())
print "publishing %r" % data
s.publish(data)
reactor.callLater(1, publish)
publish()
else:
print "Subscriber", options
s = ZmqSubConnection(zf, e)
s.subscribe("")
def doPrint(*args):
from txzmq import ZmqEndpoint, ZmqFactory, ZmqPubConnection, ZmqSubConnection
(options, args) = base.getOptionsAndArgs()
def publish(server):
data = str(time.time())
print "publishing %r" % data
server.publish(data)
reactor.callLater(1, publish, server)
class MySubscriber(ZmqSubConnection):
def gotMessage(self, message, tag):
print "message received: %s (%s)" % (message, tag)
endpoint = ZmqEndpoint(options.method, options.endpoint)
if options.mode == "publisher":
server = ZmqPubConnection(endpoint)
server.listen(ZmqFactory())
publish(server)
elif options.mode == "subscriber":
client = MySubscriber(endpoint)
client.connect(ZmqFactory())
client.subscribe("")
reactor.run()
class ZeHub(object):
"""
Actual business logic of this example:
Hub opens a central server publisher socket
and then on demand builds client sockets
"""
def __init__(self):
self.zf = ZmqFactory()
self.bind_to = "tcp://127.0.0.1:5555"
#These are just a namedtuples that hold the connection type AND
# the target address.
self.server = ZmqEndpoint('bind', self.bind_to)
self.client = ZmqEndpoint('connect', self.bind_to)
#The actual publisher/server socket
self.server_s = ZmqPubConnection(self.zf, self.server)
#A brute force way to hold client sockets and prevent them from
# getting lost.
self.clients = []
def send(self, msg):
"""
Publishes a message onto the pub/sub
:param msg: Expected to be a simple string message
"""
self.server_s.publish(msg)
def on_msg(self, callBack, time_out = None):
"""
A messy callback handler for when a new message pops up.
:param callBack: expected def callBack(stringMessage)
:param time_out: TODO a timeout value in seconds
"""
"""
This is a tad not production sane as its going to open a new ZMQ
socket for every single message sent. Its fine when it's just 1-2
people chatting for a short-demo duration but a better approach might
be to bind the client ZMQ socket to a HTTP session with a timeout.
So say someone leaves, the HTTP session would timeout after some T duration
and this socket would be cleaned up. Additionally this would prevent
some amount of thrash of instantiating and destroying sockets.
"""
client = ZmqSubConnection(self.zf, self.client)
client.subscribe("")
self.clients.append(client)
print len(self.clients), " waiting clients"
def cleanup():
"""
Our message is done, clean up!
"""
c_index = self.clients.index(client)
self.clients.pop(c_index)
client.shutdown()
def on_msg(*args, **kwargs):
try:
callBack("".join(args[:-1]))
finally:
cleanup()
"""
Blink and you might miss it, this does the actual binding
to the client socket.
Initially I thought "Man this would be some much better using a deferred"
EXCEPT what happens after that first deferred fires?
"""
client.gotMessage = on_msg
os.path.dirname(sys.argv[0]), '..', '..'))
sys.path.insert(0, rootdir)
os.chdir(rootdir)
from examples.pubsub import base
from txzmq import ZmqEndpoint, ZmqFactory, ZmqPubConnection
(options, args) = base.getOptionsAndArgs()
def publish(server):
data = str(time.time())
print "Publishing %r ..." % data
server.publish(data)
print "Done."
reactor.callLater(1, publish, server)
def onConnect(server):
print "Connected!"
publish(server)
endpoint = ZmqEndpoint(options.method, options.endpoint)
server = ZmqPubConnection(endpoint)
deferred = server.listen(ZmqFactory())
deferred.addCallback(onConnect)
reactor.run()
sys.path.insert(1, os.path.realpath(os.path.pardir))
from bannerpunk.pixel import Pixel
from bannerpunk.preimage import Preimage
# This module publishes a script of messages to a ZMQ endpoint
PUBLISH_ENDPOINT = "tcp://127.0.0.1:5557"
TAG = "forward_event".encode("utf8")
factory = ZmqFactory()
pub_endpoint = ZmqEndpoint(ZmqEndpointType.bind, PUBLISH_ENDPOINT)
pub_connection = ZmqPubConnection(factory, pub_endpoint)
MAX_X = 255
MAX_Y = 255
parser = argparse.ArgumentParser(prog="mock-png.py")
parser.add_argument("image_no", type=int)
parser.add_argument("x_offset", type=int)
parser.add_argument("y_offset", type=int)
parser.add_argument("png_file", type=str)
s = parser.parse_args()
img = Image.open(s.png_file)
width, height = img.size
rgb_raw = img.convert("RGB")
def __init__(self):
factory = ZmqFactory()
pub_endpoint = ZmqEndpoint(ZmqEndpointType.bind, PUBLISH_ENDPOINT)
self.pub_connection = ZmqPubConnection(factory, pub_endpoint)
self.current_idle = "OCD"