1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "uv.h"
23 #include "task.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28
29 #define CHECK_HANDLE(handle) \
30 ASSERT_NE((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client, 0)
31
32 static uv_udp_t server;
33 static uv_udp_t client;
34
35 static int sv_send_cb_called;
36 static int close_cb_called;
37
38
close_cb(uv_handle_t * handle)39 static void close_cb(uv_handle_t* handle) {
40 CHECK_HANDLE(handle);
41 close_cb_called++;
42 }
43
44
sv_send_cb(uv_udp_send_t * req,int status)45 static void sv_send_cb(uv_udp_send_t* req, int status) {
46 ASSERT_NOT_NULL(req);
47 ASSERT(status == 0 || status == UV_ENETUNREACH || status == UV_EPERM);
48 CHECK_HANDLE(req->handle);
49
50 sv_send_cb_called++;
51
52 uv_close((uv_handle_t*) req->handle, close_cb);
53 }
54
55
TEST_IMPL(udp_multicast_ttl)56 TEST_IMPL(udp_multicast_ttl) {
57 int r;
58 uv_udp_send_t req;
59 uv_buf_t buf;
60 struct sockaddr_in addr;
61
62 r = uv_udp_init(uv_default_loop(), &server);
63 ASSERT_OK(r);
64
65 ASSERT_OK(uv_ip4_addr("0.0.0.0", 0, &addr));
66 r = uv_udp_bind(&server, (const struct sockaddr*) &addr, 0);
67 ASSERT_OK(r);
68
69 r = uv_udp_set_multicast_ttl(&server, 32);
70 ASSERT_OK(r);
71
72 /* server sends "PING" */
73 buf = uv_buf_init("PING", 4);
74 ASSERT_OK(uv_ip4_addr("239.255.0.1", TEST_PORT, &addr));
75 r = uv_udp_send(&req,
76 &server,
77 &buf,
78 1,
79 (const struct sockaddr*) &addr,
80 sv_send_cb);
81 ASSERT_OK(r);
82
83 ASSERT_OK(close_cb_called);
84 ASSERT_OK(sv_send_cb_called);
85
86 /* run the loop till all events are processed */
87 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
88
89 ASSERT_EQ(1, sv_send_cb_called);
90 ASSERT_EQ(1, close_cb_called);
91
92 MAKE_VALGRIND_HAPPY(uv_default_loop());
93 return 0;
94 }
95