pyzmq/examples/gevent/poll.py

44 lines
1.1 KiB
Python

import gevent
from zmq import green as zmq
# Connect to both receiving sockets and send 10 messages
def sender():
sender = context.socket(zmq.PUSH)
sender.connect('inproc://polltest1')
sender.connect('inproc://polltest2')
for i in range(10):
sender.send(f'test {i}')
gevent.sleep(1)
# create zmq context, and bind to pull sockets
context = zmq.Context()
receiver1 = context.socket(zmq.PULL)
receiver1.bind('inproc://polltest1')
receiver2 = context.socket(zmq.PULL)
receiver2.bind('inproc://polltest2')
gevent.spawn(sender)
# Create poller and register both receiver sockets
poller = zmq.Poller()
poller.register(receiver1, zmq.POLLIN)
poller.register(receiver2, zmq.POLLIN)
# Read 10 messages from both receiver sockets
msgcnt = 0
while msgcnt < 10:
socks = dict(poller.poll())
if receiver1 in socks and socks[receiver1] == zmq.POLLIN:
print(f"Message from receiver1: {receiver1.recv()!r}")
msgcnt += 1
if receiver2 in socks and socks[receiver2] == zmq.POLLIN:
print(f"Message from receiver2: {receiver2.recv()!r}")
msgcnt += 1
print(f"{msgcnt} messages received")