test_term_endpoint.cpp 6.37 KB
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/*
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    Copyright (c) 2007-2016 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/>.
*/
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#include <stdio.h>
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#include "testutil.hpp"
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/* Use the worst case filename size for the buffer (+1 for trailing NUL) */
#define BUF_SIZE (FILENAME_MAX+1)
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int main (void)
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{
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    setup_test_environment();
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    int rc;
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    char buf[BUF_SIZE];
    size_t buf_size;
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    const char *ep = "tcp://127.0.0.1:5560";
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    const char *ep_wc_tcp = "tcp://127.0.0.1:*";
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#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
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    const char *ep_wc_ipc = "ipc://*";
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#endif
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#if defined ZMQ_HAVE_VMCI
    const char *ep_wc_vmci = "vmci://*:*";
#endif
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    //  Create infrastructure.
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    void *ctx = zmq_ctx_new ();
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    assert (ctx);
    void *push = zmq_socket (ctx, ZMQ_PUSH);
    assert (push);
    rc = zmq_bind (push, ep);
    assert (rc == 0);
    void *pull = zmq_socket (ctx, ZMQ_PULL);
    assert (pull);
    rc = zmq_connect (pull, ep);
    assert (rc == 0);

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    //  Pass one message through to ensure the connection is established
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    rc = zmq_send (push, "ABC", 3, 0);
    assert (rc == 3);
    rc = zmq_recv (pull, buf, sizeof (buf), 0);
    assert (rc == 3);

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    //  Unbind the listening endpoint
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    rc = zmq_unbind (push, ep);
    assert (rc == 0);

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    //  Allow unbind to settle
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    msleep (SETTLE_TIME);
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    //  Check that sending would block (there's no outbound connection)
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    rc = zmq_send (push, "ABC", 3, ZMQ_DONTWAIT);
    assert (rc == -1 && zmq_errno () == EAGAIN);

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    //  Clean up
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    rc = zmq_close (pull);
    assert (rc == 0);
    rc = zmq_close (push);
    assert (rc == 0);
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    rc = zmq_ctx_term (ctx);
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    assert (rc == 0);

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    //  Create infrastructure
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    ctx = zmq_ctx_new ();
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    assert (ctx);
    push = zmq_socket (ctx, ZMQ_PUSH);
    assert (push);
    rc = zmq_connect (push, ep);
    assert (rc == 0);
    pull = zmq_socket (ctx, ZMQ_PULL);
    assert (pull);
    rc = zmq_bind (pull, ep);
    assert (rc == 0);

    //  Pass one message through to ensure the connection is established.
    rc = zmq_send (push, "ABC", 3, 0);
    assert (rc == 3);
    rc = zmq_recv (pull, buf, sizeof (buf), 0);
    assert (rc == 3);

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    //  Disconnect the bound endpoint
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    rc = zmq_disconnect (push, ep);
    assert (rc == 0);

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    //  Allow disconnect to settle
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    msleep (SETTLE_TIME);
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    //  Check that sending would block (there's no inbound connections).
    rc = zmq_send (push, "ABC", 3, ZMQ_DONTWAIT);
    assert (rc == -1 && zmq_errno () == EAGAIN);

    //  Clean up.
    rc = zmq_close (pull);
    assert (rc == 0);
    rc = zmq_close (push);
    assert (rc == 0);
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    rc = zmq_ctx_term (ctx);
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    assert (rc == 0);

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    //  Create infrastructure (wild-card binding)
    ctx = zmq_ctx_new ();
    assert (ctx);
    push = zmq_socket (ctx, ZMQ_PUSH);
    assert (push);
    rc = zmq_bind (push, ep_wc_tcp);
    assert (rc == 0);
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    pull = zmq_socket(ctx, ZMQ_PULL);
    assert(pull);
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#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
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    rc = zmq_bind (pull, ep_wc_ipc);
    assert (rc == 0);
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#endif
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#if defined ZMQ_HAVE_VMCI
    void *req = zmq_socket (ctx, ZMQ_REQ);
    assert (req);
    rc = zmq_bind (req, ep_wc_vmci);
    assert (rc == 0);
#endif
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    // Unbind sockets binded by wild-card address
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    buf_size = sizeof(buf);
    rc = zmq_getsockopt (push, ZMQ_LAST_ENDPOINT, buf, &buf_size);
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    assert (rc == 0);
    rc = zmq_unbind (push, buf);
    assert (rc == 0);
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#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
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    buf_size = sizeof(buf);
    rc = zmq_getsockopt (pull, ZMQ_LAST_ENDPOINT, buf, &buf_size);
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    assert (rc == 0);
    rc = zmq_unbind (pull, buf);
    assert (rc == 0);
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#endif
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#if defined ZMQ_HAVE_VMCI
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    buf_size = sizeof(buf);
    rc = zmq_getsockopt (req, ZMQ_LAST_ENDPOINT, buf, &buf_size);
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    assert (rc == 0);
    rc = zmq_unbind(req, buf);
    assert (rc == 0);
#endif
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    //  Clean up.
    rc = zmq_close (pull);
    assert (rc == 0);
    rc = zmq_close (push);
    assert (rc == 0);
    rc = zmq_ctx_term (ctx);
    assert (rc == 0);

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    //  Create infrastructure (wild-card binding)
    ctx = zmq_ctx_new ();
    assert (ctx);
    push = zmq_socket (ctx, ZMQ_PUSH);
    assert (push);
    rc = zmq_bind (push, ep_wc_tcp);
    assert (rc == 0);
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    pull = zmq_socket(ctx, ZMQ_PULL);
    assert(pull);
#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS    
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    rc = zmq_bind (pull, ep_wc_ipc);
    assert (rc == 0);
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#endif
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#if defined ZMQ_HAVE_VMCI
    req = zmq_socket (ctx, ZMQ_REQ);
    assert (req);
    rc = zmq_bind (req, ep_wc_vmci);
    assert (rc == 0);
#endif
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    // Sockets binded by wild-card address can't be unbinded by wild-card address
    rc = zmq_unbind (push, ep_wc_tcp);
    assert (rc == -1 && zmq_errno () == ENOENT);
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#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
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    rc = zmq_unbind (pull, ep_wc_ipc);
    assert (rc == -1 && zmq_errno () == ENOENT);
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#endif
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#if defined ZMQ_HAVE_VMCI
    rc = zmq_unbind (req, ep_wc_vmci);
    assert (rc == -1 && zmq_errno () == ENOENT);
#endif
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    //  Clean up.
    rc = zmq_close (pull);
    assert (rc == 0);
    rc = zmq_close (push);
    assert (rc == 0);
    rc = zmq_ctx_term (ctx);
    assert (rc == 0);

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    return 0;
}