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103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/*
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Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ 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 as published by
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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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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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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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#include "../include/zmq_utils.h"
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#include <stdio.h>
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#include <string.h>
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#include "testutil.hpp"
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#define URL "tcp://127.0.0.1:5560"
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// sender connects a PUSH socket
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// and sends a message of a given size,
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// closing the socket and terminating the context immediately.
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// LINGER should prevent this from dropping messages.
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static void sender(void *vsize)
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{
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void *context = zmq_ctx_new();
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void *push = zmq_socket(context, ZMQ_PUSH);
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zmq_msg_t msg;
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size_t size = ((size_t *) vsize)[0];
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int rc = zmq_connect(push, URL);
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assert (rc == 0);
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rc = zmq_msg_init_size(&msg, size);
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assert (rc == 0);
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char *buf = (char *) zmq_msg_data(&msg);
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assert (buf != NULL);
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for(size_t i = 0; i < size; ++i) {
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buf[i] = 'x';
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}
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printf("Sending %lu B ... ", zmq_msg_size(&msg));
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rc = zmq_msg_send(&msg, push, 0);
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assert ((size_t) rc == size);
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rc = zmq_msg_close(&msg);
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assert (rc == 0);
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rc = zmq_close(push);
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assert (rc == 0);
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rc = zmq_ctx_term(context);
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assert (rc == 0);
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}
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int main (void)
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{
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void *context = zmq_ctx_new();
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void *pull = zmq_socket(context, ZMQ_PULL);
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zmq_msg_t msg;
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int rc = zmq_bind(pull, URL);
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assert (rc == 0);
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// Symptom of test failure is message never received
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int rcvtimeo = 1000;
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rc = zmq_setsockopt(pull, ZMQ_RCVTIMEO, &rcvtimeo, sizeof (int));
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assert (rc == 0);
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for(int p = 0; p < 25; p += 4)
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{
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size_t size = 1 << p;
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// Start the sender thread
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void *send_thread = zmq_threadstart(&sender, (void *) &size);
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zmq_msg_init(&msg);
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rc = zmq_msg_recv(&msg, pull, 0);
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if (rc == -1 ) {
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printf("%s\n", zmq_strerror(zmq_errno()));
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} else {
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printf("Received.\n");
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}
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assert ((size_t) rc == size);
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zmq_msg_close(&msg);
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zmq_threadclose(send_thread);
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}
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zmq_close(pull);
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zmq_ctx_term(context);
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return 0;
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} |