1/*
2 Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
3
4 This file is part of libzmq, the ZeroMQ core engine in C++.
5
6 libzmq is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License (LGPL) as published
8 by the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 As a special exception, the Contributors give you permission to link
12 this library with independent modules to produce an executable,
13 regardless of the license terms of these independent modules, and to
14 copy and distribute the resulting executable under terms of your choice,
15 provided that you also meet, for each linked independent module, the
16 terms and conditions of the license of that module. An independent
17 module is a module which is not derived from or based on this library.
18 If you modify this library, you must extend this exception to your
19 version of the library.
20
21 libzmq is distributed in the hope that it will be useful, but WITHOUT
22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
23 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
24 License for more details.
25
26 You should have received a copy of the GNU Lesser General Public License
27 along with this program. If not, see <http://www.gnu.org/licenses/>.
28*/
29
30#include "testutil.hpp"
31#include "testutil_unity.hpp"
32
33#include <string.h>
34
35SETUP_TEARDOWN_TESTCONTEXT
36
37void test ()
38{
39 // Create a publisher
40 void *pub = test_context_socket (ZMQ_PUB);
41 TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, "inproc://soname"));
42
43 // Create two subscribers
44 void *sub1 = test_context_socket (ZMQ_SUB);
45 TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub1, "inproc://soname"));
46
47 void *sub2 = test_context_socket (ZMQ_SUB);
48 TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub2, "inproc://soname"));
49
50 // Subscribe pub1 to one prefix
51 // and pub2 to another prefix.
52 const char prefi_x1[] = "prefix1";
53 const char prefi_x2[] = "p2";
54
55 TEST_ASSERT_SUCCESS_ERRNO (
56 zmq_setsockopt (sub1, ZMQ_SUBSCRIBE, prefi_x1, strlen (prefi_x1)));
57 TEST_ASSERT_SUCCESS_ERRNO (
58 zmq_setsockopt (sub2, ZMQ_SUBSCRIBE, prefi_x2, strlen (prefi_x2)));
59
60 // Send a message with the first prefix
61 send_string_expect_success (pub, prefi_x1, 0);
62 msleep (SETTLE_TIME);
63
64 // sub1 should receive it, but not sub2
65 recv_string_expect_success (sub1, prefi_x1, ZMQ_DONTWAIT);
66
67 TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub2, NULL, 0, ZMQ_DONTWAIT));
68
69 // Send a message with the second prefix
70 send_string_expect_success (pub, prefi_x2, 0);
71 msleep (SETTLE_TIME);
72
73 // sub2 should receive it, but not sub1
74 recv_string_expect_success (sub2, prefi_x2, ZMQ_DONTWAIT);
75
76 TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub1, NULL, 0, ZMQ_DONTWAIT));
77
78 // Now invert the matching
79 int invert = 1;
80 TEST_ASSERT_SUCCESS_ERRNO (
81 zmq_setsockopt (pub, ZMQ_INVERT_MATCHING, &invert, sizeof (invert)));
82
83 // ... on both sides, otherwise the SUB socket will filter the messages out
84 TEST_ASSERT_SUCCESS_ERRNO (
85 zmq_setsockopt (sub1, ZMQ_INVERT_MATCHING, &invert, sizeof (invert)));
86 TEST_ASSERT_SUCCESS_ERRNO (
87 zmq_setsockopt (sub2, ZMQ_INVERT_MATCHING, &invert, sizeof (invert)));
88
89 // Send a message with the first prefix
90 send_string_expect_success (pub, prefi_x1, 0);
91 msleep (SETTLE_TIME);
92
93 // sub2 should receive it, but not sub1
94 recv_string_expect_success (sub2, prefi_x1, ZMQ_DONTWAIT);
95
96 TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub1, NULL, 0, ZMQ_DONTWAIT));
97
98 // Send a message with the second prefix
99 send_string_expect_success (pub, prefi_x2, 0);
100 msleep (SETTLE_TIME);
101
102 // sub1 should receive it, but not sub2
103 recv_string_expect_success (sub1, prefi_x2, ZMQ_DONTWAIT);
104
105 TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (sub2, NULL, 0, ZMQ_DONTWAIT));
106
107 // Clean up.
108 test_context_socket_close (pub);
109 test_context_socket_close (sub1);
110 test_context_socket_close (sub2);
111}
112
113int main ()
114{
115 setup_test_environment ();
116
117 UNITY_BEGIN ();
118 RUN_TEST (test);
119 return UNITY_END ();
120}
121