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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/>.
*/
#include <zmq.hpp>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <stddef.h>
#include <string.h>
int main (int argc, char *argv [])
{
if (argc != 4) {
printf ("usage: remote_lat <connect-to> <message-size> "
"<roundtrip-count>\n");
return 1;
}
const char *connect_to = argv [1];
size_t message_size = (size_t) atoi (argv [2]);
int roundtrip_count = atoi (argv [3]);
zmq::context_t ctx (1, 1);
zmq::socket_t s (ctx, ZMQ_REQ);
s.connect (connect_to);
zmq::message_t msg (message_size);
memset (msg.data (), 0, message_size);
void *watch = zmq_stopwatch_start ();
for (int i = 0; i != roundtrip_count; i++) {
s.send (msg);
s.recv (&msg);
assert (msg.size () == message_size);
}
unsigned long elapsed = zmq_stopwatch_stop (watch);
double latency = (double) elapsed / (roundtrip_count * 2);
printf ("message size: %d [B]\n", (int) message_size);
printf ("roundtrip count: %d\n", (int) roundtrip_count);
printf ("mean latency: %.3f [us]\n", (double) latency);
return 0;
}
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