def callback(self, msg):
if self.timer.nr == 1:
self.condition.acquire()
self.timer.watch = zmq.Stopwatch()
self.timer.watch.start()
self.timer.nr += 1
elif self.timer.nr == self.message_count:
self.timer.elapsed = self.timer.watch.stop()
self.condition.notifyAll()
self.condition.release()
else:
self.timer.nr += 1
return msg
def latency(url, count, size, poll, copy):
"""Perform a latency test"""
ctx = zmq.Context()
s = ctx.socket(zmq.REQ)
s.setsockopt(zmq.LINGER, -1)
s.connect(url)
if poll:
p = zmq.Poller()
p.register(s)
msg = b' ' * size
watch = zmq.Stopwatch()
block = zmq.NOBLOCK if poll else 0
time.sleep(1)
watch.start()
for i in range(0, count):
if poll:
res = p.poll()
assert (res[0][1] & zmq.POLLOUT)
s.send(msg, block, copy=copy)
if poll:
res = p.poll()
assert (res[0][1] & zmq.POLLIN)
msg = s.recv(block, copy=copy)
assert len(msg) == size
elapsed = watch.stop()
s.send(b'done')
latency = elapsed / (count * 2.)
print("message size : %8i [B]" % (size, ))
print("roundtrip count: %8i [msgs]" % (count, ))
print("mean latency : %12.3f [µs]" % (latency, ))
print("test time : %12.3f [s]" % (elapsed * 1e-6, ))
def throughput(url, count, size, poll, copy):
"""recv a bunch of messages on a PULL socket
Should be started before `pusher`
"""
ctx = zmq.Context()
s = ctx.socket(zmq.PULL)
# Add your socket options here.
# For example ZMQ_RATE, ZMQ_RECOVERY_IVL and ZMQ_MCAST_LOOP for PGM.
if poll:
p = zmq.Poller()
p.register(s)
s.bind(url)
watch = zmq.Stopwatch()
block = zmq.NOBLOCK if poll else 0
# Wait for the other side to connect.
msg = s.recv()
assert len(msg) == size
watch.start()
for i in range(count - 1):
if poll:
res = p.poll()
msg = s.recv(block, copy=copy)
elapsed = watch.stop()
if elapsed == 0:
elapsed = 1
throughput = (1e6 * float(count)) / float(elapsed)
megabits = float(throughput * size * 8) / 1e6
print("message size : %8i [B]" % (size, ))
print("message count : %8i [msgs]" % (count, ))
print("mean throughput: %8.0f [msg/s]" % (throughput, ))
print("mean throughput: %12.3f [Mb/s]" % (megabits, ))
print("test time : %12.3f [s]" % (elapsed * 1e-6, ))
except (ValueError, OverflowError), e:
print 'message-size and message-count must be integers'
sys.exit(1)
ctx = zmq.Context()
s = ctx.socket(zmq.REQ)
print connect_to
s.connect(connect_to)
if use_poll:
p = zmq.Poller()
p.register(s)
msg = ' ' * message_size
clock = zmq.Stopwatch()
clock.start()
start = 0
# start = time.clock()
for i in range(0, roundtrip_count):
if use_poll:
res = p.poll()
assert (res[0][1] & zmq.POLLOUT)
s.send(msg, zmq.NOBLOCK if use_poll else 0, copy=use_copy)
if use_poll:
res = p.poll()
assert (res[0][1] & zmq.POLLIN)
msg = s.recv(zmq.NOBLOCK if use_poll else 0, copy=use_copy)
assert len(msg) == message_size
def main (argv):
use_poll = '-p' in argv
use_copy = '-c' in argv
if use_copy:
argv.remove('-c')
if use_poll:
argv.remove('-p')
if len (argv) != 4:
print ('usage: local_thr [-c use-copy] [-p use-poll] <bind-to> <message-size> <message-count>')
sys.exit(1)
try:
bind_to = argv[1]
message_size = int(argv[2])
message_count = int(argv[3])
except (ValueError, OverflowError):
print ('message-size and message-count must be integers')
sys.exit(1)
ctx = zmq.Context()
s = ctx.socket(zmq.SUB)
# Add your socket options here.
# For example ZMQ_RATE, ZMQ_RECOVERY_IVL and ZMQ_MCAST_LOOP for PGM.
# remove the b for Python2.5:
s.setsockopt(zmq.SUBSCRIBE , b'')
if use_poll:
p = zmq.Poller()
p.register(s)
s.bind(bind_to)
watch = zmq.Stopwatch()
block = zmq.NOBLOCK if use_poll else 0
# Wait for the other side to connect.
msg = s.recv()
assert len (msg) == message_size
watch.start()
for i in range (message_count-1):
if use_poll:
res = p.poll()
assert(res[0][1] & zmq.POLLIN)
msg = s.recv(block, copy=use_copy)
elapsed = watch.stop()
if elapsed == 0:
elapsed = 1
throughput = (1e6 * float(message_count)) / float(elapsed)
megabits = float(throughput * message_size * 8) / 1e6
print ("message size: %i [B]" % (message_size, ))
print ("message count: %i" % (message_count, ))
print ("mean throughput: %.0f [msg/s]" % (throughput, ))
print ("mean throughput: %.3f [Mb/s]" % (megabits, ))
s.close()
ctx.term()
return throughput