libzmq/tests/test_connect_rid.cpp

/*
    Copyright (c) 2007-2014 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"


void test_stream_2_stream(void* ctx){
    void *rbind, *rconn1;
    int ret;
    char buff[256];
    char msg[] = "hi 1";
    const char *bindip = "tcp://127.0.0.1:12001";
    rbind = zmq_socket(ctx,ZMQ_STREAM);
    rconn1 = zmq_socket(ctx,ZMQ_STREAM);
    assert(rbind && rconn1 );
    ret = zmq_bind(rbind,bindip);
    assert(0 == ret);
    ret = zmq_setsockopt(rconn1,ZMQ_CONNECT_RID,"conn1",6);
    assert(0 == ret);
    ret = zmq_connect(rconn1,bindip);
    /*test duplicate connect attempt*/
    ret = zmq_setsockopt(rconn1,ZMQ_CONNECT_RID,"conn1",6);
    assert(0 == ret);
    ret = zmq_connect(rconn1,bindip);
    assert(0 == ret);
    ret = zmq_send(rconn1,"conn1",6,ZMQ_SNDMORE);
    assert(6 == ret);
    ret = zmq_send(rconn1,msg,5,0);
    assert(5 == ret);

    ret = zmq_recv(rbind,buff,256,0);
    assert(ret && 0 == buff[0]);
    ret = zmq_recv(rbind,buff,256,0);
    assert(0 == ret);

    // close the duplicate socket
    ret = zmq_recv(rbind,buff,256,0);
    assert(ret && 0 == buff[0]);
    ret = zmq_recv(rbind,buff+128,128,0);
    assert(0 == ret);
    // handle the good socket
    ret = zmq_recv(rbind,buff,256,0);
    assert(ret && 0 == buff[0]);
    ret = zmq_recv(rbind,buff+128,128,0);
    assert(5 == ret && 'h' == buff[128] );
    zmq_unbind(rbind,bindip);
    zmq_close(rbind);
    zmq_close(rconn1);

}
void test_router_2_router(void* ctx,bool named){
    void *rbind, *rconn1;
    int ret;
    char buff[256];
    char msg[] = "hi 1";
    const char *bindip = "tcp://127.0.0.1:12001";
    rbind = zmq_socket(ctx,ZMQ_ROUTER);
    rconn1 = zmq_socket(ctx,ZMQ_ROUTER);
    assert(rbind && rconn1 );
    ret = zmq_bind(rbind,bindip);
    assert(0 == ret);
    if(named){/*here we check if this interferes with bound socket naming */
        ret = zmq_setsockopt (rbind, ZMQ_IDENTITY, "X", 1);
        ret = zmq_setsockopt (rconn1, ZMQ_IDENTITY, "Y", 1);
    }
    ret = zmq_setsockopt(rconn1,ZMQ_CONNECT_RID,"conn1",6);
    assert(0 == ret);
    ret = zmq_connect(rconn1,bindip);
    assert(0 == ret);
    /*test duplicate connect attempt*/
    ret = zmq_setsockopt(rconn1,ZMQ_CONNECT_RID,"conn1",6);
    assert(0 == ret);
    ret = zmq_connect(rconn1,bindip);
    assert(0 == ret);
    ret = zmq_send(rconn1,"conn1",6,ZMQ_SNDMORE);
    assert(6 == ret);
    ret = zmq_send(rconn1,msg,5,0);
    assert(5 == ret);

    ret = zmq_recv(rbind,buff,256,0);
    if(named) assert(ret && 'Y' == buff[0]);
    else assert(ret && 0 == buff[0]);
    ret = zmq_recv(rbind,buff+128,128,0);
    assert(5 == ret && 'h' == buff[128] );
    if(named) {
        ret = zmq_send(rbind,buff,1,ZMQ_SNDMORE);
        assert(1 == ret);
    }
    else {
        ret = zmq_send(rbind,buff,5,ZMQ_SNDMORE);
        assert(5 == ret);
    }
    ret = zmq_send_const(rbind,"ok",3,0);
    assert(3 == ret);
    
    /*if bound socket identity naming a problem, we'll likely see something funky here */
    ret = zmq_recv(rconn1,buff,256,0);
    assert('c' == buff[0] && 6 == ret);
    ret = zmq_recv(rconn1,buff+128,128,0);
    assert(3 == ret && 'o' == buff[128] );

    zmq_unbind(rbind,bindip);
    zmq_close(rbind);
    zmq_close(rconn1);
}

int main (void)
{
    void *ctx; 
    setup_test_environment();
    ctx = zmq_ctx_new ();
    assert (ctx);
    test_stream_2_stream(ctx);
    test_router_2_router(ctx,false);
    test_router_2_router(ctx,true);
    zmq_ctx_destroy(ctx);
    printf ("'test_connect_rid' passed");
    return 0;
}