1 /*
2     Copyright (c) 2007-2017 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 
35 SETUP_TEARDOWN_TESTCONTEXT
36 
ffn(void * data_,void * hint_)37 void ffn (void *data_, void *hint_)
38 {
39     // Signal that ffn has been called by writing "freed" to hint
40     (void) data_; //  Suppress 'unused' warnings at compile time
41     memcpy (hint_, (void *) "freed", 5);
42 }
43 
test_msg_init_ffn()44 void test_msg_init_ffn ()
45 {
46     //  Create the infrastructure
47     char my_endpoint[MAX_SOCKET_STRING];
48 
49     void *router = test_context_socket (ZMQ_ROUTER);
50     bind_loopback_ipv4 (router, my_endpoint, sizeof my_endpoint);
51 
52     void *dealer = test_context_socket (ZMQ_DEALER);
53     TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, my_endpoint));
54 
55     // Test that creating and closing a message triggers ffn
56     zmq_msg_t msg;
57     char hint[5];
58     char data[255];
59     memset (data, 0, 255);
60     memcpy (data, (void *) "data", 4);
61     memcpy (hint, (void *) "hint", 4);
62     TEST_ASSERT_SUCCESS_ERRNO (
63       zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
64     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
65 
66     msleep (SETTLE_TIME);
67     TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
68     memcpy (hint, (void *) "hint", 4);
69 
70     // Making and closing a copy triggers ffn
71     zmq_msg_t msg2;
72     zmq_msg_init (&msg2);
73     TEST_ASSERT_SUCCESS_ERRNO (
74       zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
75     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_copy (&msg2, &msg));
76     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg2));
77     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
78 
79     msleep (SETTLE_TIME);
80     TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
81     memcpy (hint, (void *) "hint", 4);
82 
83     // Test that sending a message triggers ffn
84     TEST_ASSERT_SUCCESS_ERRNO (
85       zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
86 
87     zmq_msg_send (&msg, dealer, 0);
88     char buf[255];
89     TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (router, buf, 255, 0));
90     TEST_ASSERT_EQUAL_INT (255, zmq_recv (router, buf, 255, 0));
91     TEST_ASSERT_EQUAL_STRING_LEN (data, buf, 4);
92 
93     msleep (SETTLE_TIME);
94     TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
95     memcpy (hint, (void *) "hint", 4);
96     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
97 
98     // Sending a copy of a message triggers ffn
99     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init (&msg2));
100     TEST_ASSERT_SUCCESS_ERRNO (
101       zmq_msg_init_data (&msg, (void *) data, 255, ffn, (void *) hint));
102     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_copy (&msg2, &msg));
103 
104     zmq_msg_send (&msg, dealer, 0);
105     TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (router, buf, 255, 0));
106     TEST_ASSERT_EQUAL_INT (255, zmq_recv (router, buf, 255, 0));
107     TEST_ASSERT_EQUAL_STRING_LEN (data, buf, 4);
108     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg2));
109     TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
110 
111     msleep (SETTLE_TIME);
112     TEST_ASSERT_EQUAL_STRING_LEN ("freed", hint, 5);
113 
114     //  Deallocate the infrastructure.
115     test_context_socket_close (router);
116     test_context_socket_close (dealer);
117 }
118 
main(void)119 int main (void)
120 {
121     setup_test_environment ();
122 
123     UNITY_BEGIN ();
124     RUN_TEST (test_msg_init_ffn);
125     return UNITY_END ();
126 }
127