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			117 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|     Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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| 
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|     This file is part of libzmq, the ZeroMQ core engine in C++.
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| 
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|     libzmq is free software; you can redistribute it and/or modify it under
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|     the terms of the GNU Lesser General Public License (LGPL) as published
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|     by the Free Software Foundation; either version 3 of the License, or
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|     (at your option) any later version.
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| 
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|     As a special exception, the Contributors give you permission to link
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|     this library with independent modules to produce an executable,
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|     regardless of the license terms of these independent modules, and to
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|     copy and distribute the resulting executable under terms of your choice,
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|     provided that you also meet, for each linked independent module, the
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|     terms and conditions of the license of that module. An independent
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|     module is a module which is not derived from or based on this library.
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|     If you modify this library, you must extend this exception to your
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|     version of the library.
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| 
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|     libzmq is distributed in the hope that it will be useful, but WITHOUT
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|     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|     FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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|     License for more details.
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| 
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|     You should have received a copy of the GNU Lesser General Public License
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|     along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| 
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| #include "../include/zmq.h"
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| #include <stdio.h>
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| #include <stdlib.h>
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| 
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| int main (int argc, char *argv [])
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| {
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|     const char *bind_to;
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|     int roundtrip_count;
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|     size_t message_size;
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|     void *ctx;
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|     void *s;
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|     int rc;
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|     int i;
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|     zmq_msg_t msg;
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| 
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|     if (argc != 4) {
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|         printf ("usage: local_lat <bind-to> <message-size> "
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|             "<roundtrip-count>\n");
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|         return 1;
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|     }
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|     bind_to = argv [1];
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|     message_size = atoi (argv [2]);
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|     roundtrip_count = atoi (argv [3]);
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| 
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|     ctx = zmq_init (1);
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|     if (!ctx) {
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|         printf ("error in zmq_init: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     s = zmq_socket (ctx, ZMQ_REP);
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|     if (!s) {
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|         printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     rc = zmq_bind (s, bind_to);
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|     if (rc != 0) {
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|         printf ("error in zmq_bind: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     rc = zmq_msg_init (&msg);
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|     if (rc != 0) {
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|         printf ("error in zmq_msg_init: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     for (i = 0; i != roundtrip_count; i++) {
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|         rc = zmq_recvmsg (s, &msg, 0);
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|         if (rc < 0) {
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|             printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
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|             return -1;
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|         }
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|         if (zmq_msg_size (&msg) != message_size) {
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|             printf ("message of incorrect size received\n");
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|             return -1;
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|         }
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|         rc = zmq_sendmsg (s, &msg, 0);
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|         if (rc < 0) {
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|             printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
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|             return -1;
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|         }
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|     }
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| 
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|     rc = zmq_msg_close (&msg);
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|     if (rc != 0) {
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|         printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     zmq_sleep (1);
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| 
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|     rc = zmq_close (s);
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|     if (rc != 0) {
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|         printf ("error in zmq_close: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     rc = zmq_ctx_term (ctx);
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|     if (rc != 0) {
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|         printf ("error in zmq_ctx_term: %s\n", zmq_strerror (errno));
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|         return -1;
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|     }
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| 
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|     return 0;
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| }
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