test_connect_rid.cpp 5.78 KB
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/*
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    Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
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    This file is part of libzmq, the ZeroMQ core engine in C++.
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    libzmq is free software; you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by 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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    As a special exception, the Contributors give you permission to link
    this library with independent modules to produce an executable,
    regardless of the license terms of these independent modules, and to
    copy and distribute the resulting executable under terms of your choice,
    provided that you also meet, for each linked independent module, the
    terms and conditions of the license of that module. An independent
    module is a module which is not derived from or based on this library.
    If you modify this library, you must extend this exception to your
    version of the library.

    libzmq 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.
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    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"


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void test_stream_2_stream(){
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    void *rbind, *rconn1;
    int ret;
    char buff[256];
    char msg[] = "hi 1";
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    const char *bindip = "tcp://127.0.0.1:5556";
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    int disabled = 0;
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    int zero = 0;
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    void *ctx = zmq_ctx_new ();
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    //  Set up listener STREAM.
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    rbind = zmq_socket (ctx, ZMQ_STREAM);
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    assert (rbind);
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    ret = zmq_setsockopt (rbind, ZMQ_STREAM_NOTIFY, &disabled, sizeof (disabled));
    assert (ret == 0);
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    ret = zmq_setsockopt (rbind, ZMQ_LINGER, &zero, sizeof (zero));
    assert (0 == ret);
    ret = zmq_bind (rbind, bindip);
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    assert(0 == ret);

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    //  Set up connection stream.
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    rconn1 = zmq_socket (ctx, ZMQ_STREAM);
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    assert (rconn1);
    ret = zmq_setsockopt (rconn1, ZMQ_LINGER, &zero, sizeof (zero));
    assert (0 == ret);
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    //  Do the connection.
    ret = zmq_setsockopt (rconn1, ZMQ_CONNECT_RID, "conn1", 6);
    assert (0 == ret);
    ret = zmq_connect (rconn1, bindip);

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/*  Uncomment to test assert on duplicate rid.
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    //  Test duplicate connect attempt.
    ret = zmq_setsockopt (rconn1, ZMQ_CONNECT_RID, "conn1", 6);
    assert (0 == ret);
    ret = zmq_connect (rconn1, bindip);
    assert (0 == ret);
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*/
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    //  Send data to the bound stream.
    ret = zmq_send (rconn1, "conn1", 6, ZMQ_SNDMORE);
    assert (6 == ret);
    ret = zmq_send (rconn1, msg, 5, 0);
    assert (5 == ret);

    //  Accept data on the bound stream.
    ret = zmq_recv (rbind, buff, 256, 0);
    assert (ret);
    assert (0 == buff[0]);
    ret = zmq_recv (rbind, buff+128, 128, 0);
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    assert (5 == ret);
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    assert ('h' == buff[128]);

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    // Handle close of the socket.
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    ret = zmq_unbind (rbind, bindip);
    assert(0 == ret);
    ret = zmq_close (rbind);
    assert(0 == ret);
    ret = zmq_close (rconn1);
    assert(0 == ret);
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    zmq_ctx_destroy (ctx);
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}
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void test_router_2_router(bool named){
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    void *rbind, *rconn1;
    int ret;
    char buff[256];
    char msg[] = "hi 1";
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    const char *bindip = "tcp://127.0.0.1:5556";
    int zero = 0;
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    void *ctx = zmq_ctx_new ();
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    //  Create bind socket.
    rbind = zmq_socket (ctx, ZMQ_ROUTER);
    assert (rbind);
    ret = zmq_setsockopt (rbind, ZMQ_LINGER, &zero, sizeof (zero));
    assert (0 == ret);
    ret = zmq_bind (rbind, bindip);
    assert (0 == ret);

    //  Create connection socket.
    rconn1 = zmq_socket (ctx, ZMQ_ROUTER);
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    assert (rconn1);
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    ret = zmq_setsockopt (rconn1, ZMQ_LINGER, &zero, sizeof (zero));
    assert (0 == ret);

    //  If we're in named mode, set some identities.
    if (named) {
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        ret = zmq_setsockopt (rbind, ZMQ_IDENTITY, "X", 1);
        ret = zmq_setsockopt (rconn1, ZMQ_IDENTITY, "Y", 1);
    }
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    //  Make call to connect using a connect_rid.
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    ret = zmq_setsockopt (rconn1, ZMQ_CONNECT_RID, "conn1", 6);
    assert (0 == ret);
    ret = zmq_connect (rconn1, bindip);
    assert (0 == ret);
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/*  Uncomment to test assert on duplicate rid
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    //  Test duplicate connect attempt.
    ret = zmq_setsockopt (rconn1, ZMQ_CONNECT_RID, "conn1", 6);
    assert (0 == ret);
    ret = zmq_connect (rconn1, bindip);
    assert (0 == ret);
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*/
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    //  Send some data.
    ret = zmq_send (rconn1, "conn1", 6, ZMQ_SNDMORE);
    assert (6 == ret);
    ret = zmq_send (rconn1, msg, 5, 0);
    assert (5 == ret);

    //  Receive the name.
    ret = zmq_recv (rbind, buff, 256, 0);
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    if (named)
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        assert (ret && 'Y' == buff[0]);
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    else
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        assert (ret && 0 == buff[0]);

    //  Receive the data.
    ret = zmq_recv (rbind, buff+128, 128, 0);
    assert(5 == ret && 'h' == buff[128]);

    //  Send some data back.
    if (named) {
        ret = zmq_send (rbind, buff, 1, ZMQ_SNDMORE);
        assert (1 == ret);
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    }
    else {
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        ret = zmq_send (rbind, buff, 5, ZMQ_SNDMORE);
        assert (5 == ret);
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    }
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    ret = zmq_send_const (rbind, "ok", 3, 0);
    assert (3 == ret);
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    //  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]);

    ret = zmq_unbind (rbind, bindip);
    assert(0 == ret);
    ret = zmq_close (rbind);
    assert(0 == ret);
    ret = zmq_close (rconn1);
    assert(0 == ret);
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    zmq_ctx_destroy (ctx);
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}

int main (void)
{
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    setup_test_environment ();
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    test_stream_2_stream ();
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    test_router_2_router (false);
    test_router_2_router (true);

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    return 0;
}