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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 <stdint.h>
#include <sys/time.h>
int main (int argc, char *argv [])
{
if (argc != 4) {
printf ("usage: local_thr <bind-to> <message-count> "
"<message-size>\n");
return 1;
}
const char *bind_to = argv [1];
int message_count = atoi (argv [2]);
size_t message_size = (size_t) atoi (argv [3]);
zmq::context_t ctx (1, 1);
zmq::socket_t s (ctx, ZMQ_P2P);
s.bind (bind_to);
zmq::message_t msg;
s.recv (&msg);
assert (msg.size () == message_size);
timeval start;
int rc = gettimeofday (&start, NULL);
assert (rc == 0);
for (int i = 0; i != message_count - 1; i++) {
s.recv (&msg);
assert (msg.size () == message_size);
}
timeval end;
rc = gettimeofday (&end, NULL);
assert (rc == 0);
end.tv_sec -= start.tv_sec;
start.tv_sec = 0;
uint64_t elapsed = ((uint64_t) end.tv_sec * 1000000 + end.tv_usec) -
((uint64_t) start.tv_sec * 1000000 + start.tv_usec);
if (elapsed == 0)
elapsed = 1;
uint64_t throughput = (uint64_t) message_count * 1000000 / elapsed;
double megabits = (double) (throughput * message_size * 8) / 1000000;
printf ("message size: %d [B]\n", (int) message_size);
printf ("message count: %d\n", (int) message_count);
printf ("mean throughput: %d [msg/s]\n", (int) throughput);
printf ("mean throughput: %3f [Mb/s]\n", (double) megabits);
return 0;
}
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