mirror of
https://github.com/zeromq/libzmq.git
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107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
/*
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Copyright (c) 2007-2015 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 "testutil.hpp"
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// XSI vector I/O
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#if defined ZMQ_HAVE_UIO
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#include <sys/uio.h>
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#else
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struct iovec {
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void *iov_base;
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size_t iov_len;
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};
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#endif
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void do_check(void* sb, void* sc, unsigned int msgsz)
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{
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setup_test_environment();
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int rc;
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int sum =0;
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for (int i = 0; i < 10; i++)
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{
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zmq_msg_t msg;
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zmq_msg_init_size(&msg, msgsz);
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void * data = zmq_msg_data(&msg);
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memcpy(data,&i, sizeof(int));
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rc = zmq_msg_send(&msg,sc,i==9 ? 0 :ZMQ_SNDMORE);
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assert (rc == (int)msgsz);
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zmq_msg_close(&msg);
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sum += i;
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}
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struct iovec ibuffer[32] ;
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memset(&ibuffer[0], 0, sizeof(ibuffer));
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size_t count = 10;
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rc = zmq_recviov(sb,&ibuffer[0],&count,0);
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assert (rc == 10);
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int rsum=0;
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for(;count;--count)
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{
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int v;
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memcpy(&v,ibuffer[count-1].iov_base,sizeof(int));
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rsum += v;
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assert(ibuffer[count-1].iov_len == msgsz);
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// free up the memory
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free(ibuffer[count-1].iov_base);
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}
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assert ( sum == rsum );
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}
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int main (void)
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{
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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int rc;
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void *sb = zmq_socket (ctx, ZMQ_PULL);
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assert (sb);
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rc = zmq_bind (sb, "inproc://a");
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assert (rc == 0);
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msleep (SETTLE_TIME);
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void *sc = zmq_socket (ctx, ZMQ_PUSH);
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rc = zmq_connect (sc, "inproc://a");
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assert (rc == 0);
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// message bigger than vsm max
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do_check(sb,sc,100);
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// message smaller than vsm max
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do_check(sb,sc,10);
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rc = zmq_close (sc);
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assert (rc == 0);
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rc = zmq_close (sb);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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return 0;
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}
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