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- /*
- Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
- This file is part of libzmq, the ZeroMQ core engine in C++.
- libzmq is free software; you can redistribute it and/or modify it under
- the terms of the GNU Lesser General Public License (LGPL) as published
- by the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- As a special exception, the Contributors give you permission to link
- this library with independent modules to produce an executable,
- regardless of the license terms of these independent modules, and to
- copy and distribute the resulting executable under terms of your choice,
- provided that you also meet, for each linked independent module, the
- terms and conditions of the license of that module. An independent
- module is a module which is not derived from or based on this library.
- If you modify this library, you must extend this exception to your
- version of the library.
- libzmq 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 <zmq.h>
- #include <stdio.h>
- #include <stdlib.h>
- int main (int argc, char *argv [])
- {
- const char *bind_to;
- int message_count;
- size_t message_size;
- void *ctx;
- void *s;
- int rc;
- int i;
- zmq_msg_t msg;
- void *watch;
- unsigned long elapsed;
- unsigned long throughput;
- double megabits;
- if (argc != 4) {
- printf ("usage: local_thr <bind-to> <message-size> <message-count>\n");
- return 1;
- }
- bind_to = argv [1];
- message_size = atoi (argv [2]);
- message_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_PULL);
- if (!s) {
- printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
- return -1;
- }
- // Add your socket options here.
- // For example ZMQ_RATE, ZMQ_RECOVERY_IVL and ZMQ_MCAST_LOOP for PGM.
- rc = zmq_bind (s, bind_to);
- if (rc != 0) {
- printf ("error in zmq_bind: %s\n", zmq_strerror (errno));
- return -1;
- }
- rc = zmq_msg_init (&msg);
- if (rc != 0) {
- printf ("error in zmq_msg_init: %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;
- }
- watch = zmq_stopwatch_start ();
- for (i = 0; i != message_count - 1; i++) {
- 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);
- if (elapsed == 0)
- elapsed = 1;
- rc = zmq_msg_close (&msg);
- if (rc != 0) {
- printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
- return -1;
- }
- throughput = (unsigned long)
- ((double) message_count / (double) elapsed * 1000000);
- 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);
- rc = zmq_close (s);
- if (rc != 0) {
- printf ("error in zmq_close: %s\n", zmq_strerror (errno));
- return -1;
- }
- rc = zmq_ctx_term (ctx);
- if (rc != 0) {
- printf ("error in zmq_ctx_term: %s\n", zmq_strerror (errno));
- return -1;
- }
- return 0;
- }
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