mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-31 01:43:02 +08:00
123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/*
|
|
Copyright (c) 2007-2012 iMatix Corporation
|
|
Copyright (c) 2009-2011 250bpm s.r.o.
|
|
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
|
|
|
|
This file is part of 0MQ.
|
|
|
|
0MQ is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser 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
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "../include/zmq.h"
|
|
#include "../include/zmq_utils.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
int main (int argc, char *argv [])
|
|
{
|
|
const char *connect_to;
|
|
int roundtrip_count;
|
|
size_t message_size;
|
|
void *ctx;
|
|
void *s;
|
|
int rc;
|
|
int i;
|
|
zmq_msg_t msg;
|
|
void *watch;
|
|
unsigned long elapsed;
|
|
double latency;
|
|
|
|
if (argc != 4) {
|
|
printf ("usage: remote_lat <connect-to> <message-size> "
|
|
"<roundtrip-count>\n");
|
|
return 1;
|
|
}
|
|
connect_to = argv [1];
|
|
message_size = atoi (argv [2]);
|
|
roundtrip_count = atoi (argv [3]);
|
|
|
|
ctx = zmq_init (1);
|
|
if (!ctx) {
|
|
printf ("error in zmq_init: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
s = zmq_socket (ctx, ZMQ_REQ);
|
|
if (!s) {
|
|
printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
rc = zmq_connect (s, connect_to);
|
|
if (rc != 0) {
|
|
printf ("error in zmq_connect: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
rc = zmq_msg_init_size (&msg, message_size);
|
|
if (rc != 0) {
|
|
printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
memset (zmq_msg_data (&msg), 0, message_size);
|
|
|
|
watch = zmq_stopwatch_start ();
|
|
|
|
for (i = 0; i != roundtrip_count; i++) {
|
|
rc = zmq_sendmsg (s, &msg, 0);
|
|
if (rc < 0) {
|
|
printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
rc = zmq_recvmsg (s, &msg, 0);
|
|
if (rc < 0) {
|
|
printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
if (zmq_msg_size (&msg) != message_size) {
|
|
printf ("message of incorrect size received\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
elapsed = zmq_stopwatch_stop (watch);
|
|
|
|
rc = zmq_msg_close (&msg);
|
|
if (rc != 0) {
|
|
printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
latency = (double) elapsed / (roundtrip_count * 2);
|
|
|
|
printf ("message size: %d [B]\n", (int) message_size);
|
|
printf ("roundtrip count: %d\n", (int) roundtrip_count);
|
|
printf ("average latency: %.3f [us]\n", (double) latency);
|
|
|
|
rc = zmq_close (s);
|
|
if (rc != 0) {
|
|
printf ("error in zmq_close: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
rc = zmq_term (ctx);
|
|
if (rc != 0) {
|
|
printf ("error in zmq_term: %s\n", zmq_strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|