Current File : //data/old/usr/share/doc/python2-zmq-14.7.0/examples/heartbeat/ping.py
#!/usr/bin/env python
"""For use with pong.py
This script simply pings a process started by pong.py or tspong.py, to
demonstrate that zmq remains responsive while Python blocks.
Authors
-------
* MinRK
"""
from __future__ import print_function
import sys
import time
import numpy
import zmq
ctx = zmq.Context()
req = ctx.socket(zmq.REQ)
req.connect('tcp://127.0.0.1:10111')
#wait for connects
time.sleep(1)
n=0
while True:
time.sleep(numpy.random.random())
for i in range(4):
n+=1
msg = 'ping %i' % n
tic = time.time()
req.send_string(msg)
resp = req.recv_string()
print("%s: %.2f ms" % (msg, 1000*(time.time()-tic)))
assert msg == resp
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