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# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
import struct
import time
import zmq
from zmq import devices
from zmq_test_utils import PYPY, BaseZMQTestCase, SkipTest
if PYPY:
# cleanup of shared Context doesn't work on PyPy
devices.Device.context_factory = zmq.Context
class TestProxySteerable(BaseZMQTestCase):
def setUp(self):
if zmq.zmq_version_info() >= (4, 3, 5):
raise SkipTest("Steerable Proxies removed in libzmq 4.3.5")
super().setUp()
def test_proxy_steerable(self):
if zmq.zmq_version_info() < (4, 1):
raise SkipTest("Steerable Proxies only in libzmq >= 4.1")
if zmq.zmq_version_info() >= (4, 3, 5):
raise SkipTest("Steerable Proxies removed in libzmq 4.3.5")
dev = devices.ThreadProxySteerable(zmq.PULL, zmq.PUSH, zmq.PUSH, zmq.PAIR)
iface = 'tcp://127.0.0.1'
port = dev.bind_in_to_random_port(iface)
port2 = dev.bind_out_to_random_port(iface)
port3 = dev.bind_mon_to_random_port(iface)
port4 = dev.bind_ctrl_to_random_port(iface)
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect(f"{iface}:{port}")
pull = self.context.socket(zmq.PULL)
pull.connect(f"{iface}:{port2}")
mon = self.context.socket(zmq.PULL)
mon.connect(f"{iface}:{port3}")
ctrl = self.context.socket(zmq.PAIR)
ctrl.connect(f"{iface}:{port4}")
push.send(msg)
self.sockets.extend([push, pull, mon, ctrl])
assert msg == self.recv(pull)
assert msg == self.recv(mon)
ctrl.send(b'TERMINATE')
dev.join()
def test_proxy_steerable_bind_to_random_with_args(self):
if zmq.zmq_version_info() < (4, 1):
raise SkipTest("Steerable Proxies only in libzmq >= 4.1")
dev = devices.ThreadProxySteerable(zmq.PULL, zmq.PUSH, zmq.PUSH, zmq.PAIR)
iface = 'tcp://127.0.0.1'
ports = []
min, max = 5000, 5050
ports.extend(
[
dev.bind_in_to_random_port(iface, min_port=min, max_port=max),
dev.bind_out_to_random_port(iface, min_port=min, max_port=max),
dev.bind_mon_to_random_port(iface, min_port=min, max_port=max),
dev.bind_ctrl_to_random_port(iface, min_port=min, max_port=max),
]
)
for port in ports:
if port < min or port > max:
self.fail(f'Unexpected port number: {port}')
def test_proxy_steerable_statistics(self):
if zmq.zmq_version_info() < (4, 3):
raise SkipTest("STATISTICS only in libzmq >= 4.3")
dev = devices.ThreadProxySteerable(zmq.PULL, zmq.PUSH, zmq.PUSH, zmq.PAIR)
iface = 'tcp://127.0.0.1'
port = dev.bind_in_to_random_port(iface)
port2 = dev.bind_out_to_random_port(iface)
port3 = dev.bind_mon_to_random_port(iface)
port4 = dev.bind_ctrl_to_random_port(iface)
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect(f"{iface}:{port}")
pull = self.context.socket(zmq.PULL)
pull.connect(f"{iface}:{port2}")
mon = self.context.socket(zmq.PULL)
mon.connect(f"{iface}:{port3}")
ctrl = self.context.socket(zmq.PAIR)
ctrl.connect(f"{iface}:{port4}")
push.send(msg)
self.sockets.extend([push, pull, mon, ctrl])
assert msg == self.recv(pull)
assert msg == self.recv(mon)
ctrl.send(b'STATISTICS')
stats = self.recv_multipart(ctrl)
stats_int = [struct.unpack("=Q", x)[0] for x in stats]
assert 1 == stats_int[0]
assert len(msg) == stats_int[1]
assert 1 == stats_int[6]
assert len(msg) == stats_int[7]
ctrl.send(b'TERMINATE')
dev.join()
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