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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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 "testutil.hpp"
// XSI vector I/O
#if defined ZMQ_HAVE_UIO
#include <sys/uio.h>
#else
struct iovec {
void *iov_base;
size_t iov_len;
};
#endif
void do_check(void* sb, void* sc, unsigned int msgsz)
{
setup_test_environment();
int rc;
int sum =0;
for (int i = 0; i < 10; i++)
{
zmq_msg_t msg;
zmq_msg_init_size(&msg, msgsz);
void * data = zmq_msg_data(&msg);
memcpy(data,&i, sizeof(int));
rc = zmq_msg_send(&msg,sc,i==9 ? 0 :ZMQ_SNDMORE);
assert (rc == (int)msgsz);
zmq_msg_close(&msg);
sum += i;
}
struct iovec ibuffer[32] ;
memset(&ibuffer[0], 0, sizeof(ibuffer));
size_t count = 10;
rc = zmq_recviov(sb,&ibuffer[0],&count,0);
assert (rc == 10);
int rsum=0;
for(;count;--count)
{
int v;
memcpy(&v,ibuffer[count-1].iov_base,sizeof(int));
rsum += v;
assert(ibuffer[count-1].iov_len == msgsz);
// free up the memory
free(ibuffer[count-1].iov_base);
}
assert ( sum == rsum );
}
int main (void)
{
void *ctx = zmq_ctx_new ();
assert (ctx);
int rc;
void *sb = zmq_socket (ctx, ZMQ_PULL);
assert (sb);
rc = zmq_bind (sb, "inproc://a");
assert (rc == 0);
msleep (SETTLE_TIME);
void *sc = zmq_socket (ctx, ZMQ_PUSH);
rc = zmq_connect (sc, "inproc://a");
assert (rc == 0);
// message bigger than vsm max
do_check(sb,sc,100);
// message smaller than vsm max
do_check(sb,sc,10);
rc = zmq_close (sc);
assert (rc == 0);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0;
}
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