test_metadata.cpp 4.43 KB
Newer Older
Pieter Hintjens's avatar
Pieter Hintjens committed
1
/*
2
    Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
Pieter Hintjens's avatar
Pieter Hintjens committed
3

4
    This file is part of libzmq, the ZeroMQ core engine in C++.
Pieter Hintjens's avatar
Pieter Hintjens committed
5

6 7 8
    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
Pieter Hintjens's avatar
Pieter Hintjens committed
9 10
    (at your option) any later version.

11 12 13 14 15 16 17 18 19 20 21 22 23 24
    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.
Pieter Hintjens's avatar
Pieter Hintjens committed
25 26 27 28 29 30 31

    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"

32
static void zap_handler (void *handler_)
Pieter Hintjens's avatar
Pieter Hintjens committed
33
{
34 35
    uint8_t metadata[] = {5, 'H', 'e', 'l', 'l', 'o', 0,  0,
                          0, 5,   'W', 'o', 'r', 'l', 'd'};
Pieter Hintjens's avatar
Pieter Hintjens committed
36 37 38

    //  Process ZAP requests forever
    while (true) {
39
        char *version = s_recv (handler_);
Pieter Hintjens's avatar
Pieter Hintjens committed
40
        if (!version)
41
            break; //  Terminating
Pieter Hintjens's avatar
Pieter Hintjens committed
42

43 44 45 46 47
        char *sequence = s_recv (handler_);
        char *domain = s_recv (handler_);
        char *address = s_recv (handler_);
        char *routing_id = s_recv (handler_);
        char *mechanism = s_recv (handler_);
Pieter Hintjens's avatar
Pieter Hintjens committed
48 49 50

        assert (streq (version, "1.0"));
        assert (streq (mechanism, "NULL"));
51

52 53
        s_sendmore (handler_, version);
        s_sendmore (handler_, sequence);
Pieter Hintjens's avatar
Pieter Hintjens committed
54
        if (streq (domain, "DOMAIN")) {
55 56 57 58
            s_sendmore (handler_, "200");
            s_sendmore (handler_, "OK");
            s_sendmore (handler_, "anonymous");
            zmq_send (handler_, metadata, sizeof (metadata), 0);
59
        } else {
60 61 62 63
            s_sendmore (handler_, "400");
            s_sendmore (handler_, "BAD DOMAIN");
            s_sendmore (handler_, "");
            s_send (handler_, "");
Pieter Hintjens's avatar
Pieter Hintjens committed
64 65 66 67 68
        }
        free (version);
        free (sequence);
        free (domain);
        free (address);
69
        free (routing_id);
Pieter Hintjens's avatar
Pieter Hintjens committed
70 71
        free (mechanism);
    }
72
    close_zero_linger (handler_);
Pieter Hintjens's avatar
Pieter Hintjens committed
73 74 75 76
}

int main (void)
{
77
    setup_test_environment ();
78 79
    size_t len = MAX_SOCKET_STRING;
    char my_endpoint[MAX_SOCKET_STRING];
Pieter Hintjens's avatar
Pieter Hintjens committed
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
    void *ctx = zmq_ctx_new ();
    assert (ctx);

    //  Spawn ZAP handler
    //  We create and bind ZAP socket in main thread to avoid case
    //  where child thread does not start up fast enough.
    void *handler = zmq_socket (ctx, ZMQ_REP);
    assert (handler);
    int rc = zmq_bind (handler, "inproc://zeromq.zap.01");
    assert (rc == 0);
    void *zap_thread = zmq_threadstart (&zap_handler, handler);

    void *server = zmq_socket (ctx, ZMQ_DEALER);
    assert (server);
    void *client = zmq_socket (ctx, ZMQ_DEALER);
    assert (client);
    rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "DOMAIN", 6);
    assert (rc == 0);
98
    rc = zmq_bind (server, "tcp://127.0.0.1:*");
Pieter Hintjens's avatar
Pieter Hintjens committed
99
    assert (rc == 0);
100 101 102
    rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
    assert (rc == 0);
    rc = zmq_connect (client, my_endpoint);
Pieter Hintjens's avatar
Pieter Hintjens committed
103 104 105 106 107 108 109 110 111 112
    assert (rc == 0);

    s_send (client, "This is a message");
    zmq_msg_t msg;
    zmq_msg_init (&msg);
    rc = zmq_msg_recv (&msg, server, 0);
    assert (rc != -1);
    assert (streq (zmq_msg_gets (&msg, "Hello"), "World"));
    assert (streq (zmq_msg_gets (&msg, "Socket-Type"), "DEALER"));
    assert (streq (zmq_msg_gets (&msg, "User-Id"), "anonymous"));
113 114
    assert (streq (zmq_msg_gets (&msg, "Peer-Address"), "127.0.0.1"));

115 116
    assert (zmq_msg_gets (&msg, "No Such") == NULL);
    assert (zmq_errno () == EINVAL);
Pieter Hintjens's avatar
Pieter Hintjens committed
117 118 119 120 121 122 123 124 125 126 127 128 129 130
    zmq_msg_close (&msg);

    close_zero_linger (client);
    close_zero_linger (server);

    //  Shutdown
    rc = zmq_ctx_term (ctx);
    assert (rc == 0);

    //  Wait until ZAP handler terminates
    zmq_threadclose (zap_thread);

    return 0;
}