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((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client)
31
32static uv_udp_t server;
33static uv_udp_t client;
34
35static int sv_send_cb_called;
36static int close_cb_called;
37
38
39static void close_cb(uv_handle_t* handle) {
40 CHECK_HANDLE(handle);
41 close_cb_called++;
42}
43
44
45static void sv_send_cb(uv_udp_send_t* req, int status) {
46 ASSERT(req != NULL);
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
56TEST_IMPL(udp_multicast_interface) {
57 int r;
58 uv_udp_send_t req;
59 uv_buf_t buf;
60 struct sockaddr_in addr;
61 struct sockaddr_in baddr;
62
63 ASSERT(0 == uv_ip4_addr("239.255.0.1", TEST_PORT, &addr));
64
65 r = uv_udp_init(uv_default_loop(), &server);
66 ASSERT(r == 0);
67
68 ASSERT(0 == uv_ip4_addr("0.0.0.0", 0, &baddr));
69 r = uv_udp_bind(&server, (const struct sockaddr*)&baddr, 0);
70 ASSERT(r == 0);
71
72 r = uv_udp_set_multicast_interface(&server, "0.0.0.0");
73 ASSERT(r == 0);
74
75 /* server sends "PING" */
76 buf = uv_buf_init("PING", 4);
77 r = uv_udp_send(&req,
78 &server,
79 &buf,
80 1,
81 (const struct sockaddr*)&addr,
82 sv_send_cb);
83 ASSERT(r == 0);
84
85 ASSERT(close_cb_called == 0);
86 ASSERT(sv_send_cb_called == 0);
87
88 /* run the loop till all events are processed */
89 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
90
91 ASSERT(sv_send_cb_called == 1);
92 ASSERT(close_cb_called == 1);
93
94 ASSERT(client.send_queue_size == 0);
95 ASSERT(server.send_queue_size == 0);
96
97 MAKE_VALGRIND_HAPPY();
98 return 0;
99}
100