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#
# Copyright (c) 2007-2009 FastMQ Inc.
#
# This file is part of 0MQ.
#
# 0MQ is free software; you can redistribute it and/or modify it under
# the terms of the Lesser GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# 0MQ is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# Lesser GNU General Public License for more details.
#
# You should have received a copy of the Lesser GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import sys
from datetime import datetime
import libpyzmq
import time
def main ():
if len (sys.argv) != 5:
print 'usage: py_local_lat <in-interface> <out-interface> <message-size> <roundtrip-count>'
sys.exit (1)
try:
in_interface = sys.argv [1]
out_interface = sys.argv [2]
message_size = int (sys.argv [3])
roundtrip_count = int (sys.argv [4])
except (ValueError, OverflowError), e:
print 'message-size and roundtrip-count must be integers'
sys.exit (1)
print "message size:", message_size, "[B]"
print "roundtrip count:", roundtrip_count
z = libpyzmq.Zmq ()
context = z.context (1,1);
in_socket = z.socket (context, libpyzmq.ZMQ_SUB)
out_socket = z.socket (context, libpyzmq.ZMQ_PUB)
z.bind (in_socket, addr = in_interface)
z.bind (out_socket, addr = out_interface)
msg_out = z.init_msg_data (string_msg, type)
start = datetime.now ()
for i in range (0, roundtrip_count):
z.send (out_socket, msg_out, True)
list = z.receive (in_socket, True)
msg_in = list [1]
assert len(msg_in) == message_size
end = datetime.now ()
delta = end - start
delta_us = delta.seconds * 1000000 + delta.microseconds
print 'Your average latency is', delta_us / roundtrip_count, ' [us]'
if __name__ == "__main__":
main ()
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