mirror of
https://github.com/zeromq/libzmq.git
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130 lines
3.2 KiB
C++
130 lines
3.2 KiB
C++
/*
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Copyright (c) 2010-2011 250bpm s.r.o.
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Copyright (c) 2011 iMatix Corporation
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Copyright (c) 2010-2011 Other 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 <assert.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <string.h>
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#include "../include/zmq.h"
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#include "../include/zmq_utils.h"
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#define THREAD_COUNT 30
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#define NMESSAGES 20
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struct thread_data_t
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{
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int thread_index;
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void *socket;
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pthread_t pthr;
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};
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extern "C"
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{
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static void *source(void *client_data)
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{
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// Wait a bit util all threads created and subscriber ready.
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zmq_sleep(2); // ms
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// Our thread number and socket.
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thread_data_t *td = (thread_data_t *) client_data;
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// Buffer for messages.
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char buffer[20];
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memset (buffer, 0, 20);
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// Send messages.
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for (int i = 0; i < NMESSAGES; ++i)
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{
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sprintf(buffer,"Th %02d count %02d", td->thread_index, i);
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int rc = zmq_send(td->socket,buffer,20,0);
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assert (rc == 20);
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zmq_sleep(1); // Don't overload the socket.
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}
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return 0;
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}
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}
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int main (int argc, char *argv [])
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{
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fprintf (stderr, "test_ts_context running...\n");
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// Make a thread safe context.
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void *ctx = zmq_init_thread_safe (1);
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assert (ctx);
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// Create a publisher.
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void *pub = zmq_socket (ctx, ZMQ_PUB);
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assert (pub);
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int rc = zmq_bind (pub, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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// Create a subscriber.
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void *sub = zmq_socket (ctx, ZMQ_SUB);
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assert (sub);
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rc = zmq_connect (sub, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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// Subscribe for all messages.
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rc = zmq_setsockopt (sub, ZMQ_SUBSCRIBE, "", 0);
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assert (rc == 0);
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thread_data_t threads [THREAD_COUNT];
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// Create workers.
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for(int i = 0; i < THREAD_COUNT; ++i)
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{
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threads [i].thread_index = i;
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threads [i].socket = pub;
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rc = pthread_create(&threads[i].pthr, NULL, source, threads+i);
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assert (rc == 0);
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}
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// Gather all the Messages.
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char buff [20];
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for(int i= 1; i<=THREAD_COUNT * NMESSAGES; ++i)
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{
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rc = zmq_recv (sub, buff, 20, 0);
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//fprintf (stderr, "%d/%d: %s\n",i,THREAD_COUNT * NMESSAGES, buff); // debug it
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assert (rc >= 0);
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}
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// Wait for worker death.
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for(int i = 0; i < THREAD_COUNT; ++i)
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{
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rc = pthread_join(threads[i].pthr, NULL);
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assert (rc == 0);
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}
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// Clean up.
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rc = zmq_close (pub);
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assert (rc == 0);
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rc = zmq_close (sub);
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assert (rc == 0);
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rc = zmq_term (ctx);
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assert (rc == 0);
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return 0 ;
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}
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