37 lines
1 KiB
Python
37 lines
1 KiB
Python
"""pure Python monitored_queue function
|
|
|
|
For use when Cython extension is unavailable (PyPy).
|
|
|
|
Authors
|
|
-------
|
|
* MinRK
|
|
"""
|
|
|
|
# Copyright (C) PyZMQ Developers
|
|
# Distributed under the terms of the Modified BSD License.
|
|
|
|
import zmq
|
|
|
|
def _relay(ins, outs, sides, prefix, swap_ids):
|
|
msg = ins.recv_multipart()
|
|
if swap_ids:
|
|
msg[:2] = msg[:2][::-1]
|
|
outs.send_multipart(msg)
|
|
sides.send_multipart([prefix] + msg)
|
|
|
|
def monitored_queue(in_socket, out_socket, mon_socket,
|
|
in_prefix=b'in', out_prefix=b'out'):
|
|
|
|
swap_ids = in_socket.type == zmq.ROUTER and out_socket.type == zmq.ROUTER
|
|
|
|
poller = zmq.Poller()
|
|
poller.register(in_socket, zmq.POLLIN)
|
|
poller.register(out_socket, zmq.POLLIN)
|
|
while True:
|
|
events = dict(poller.poll())
|
|
if in_socket in events:
|
|
_relay(in_socket, out_socket, mon_socket, in_prefix, swap_ids)
|
|
if out_socket in events:
|
|
_relay(out_socket, in_socket, mon_socket, out_prefix, swap_ids)
|
|
|
|
__all__ = ['monitored_queue']
|