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
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_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
56TEST_IMPL(udp_multicast_interface) {
57/* TODO(gengjiawen): Fix test on QEMU. */
58#if defined(__QEMU__)
59  RETURN_SKIP("Test does not currently work in QEMU");
60#endif
61
62  int r;
63  uv_udp_send_t req;
64  uv_buf_t buf;
65  struct sockaddr_in addr;
66  struct sockaddr_in baddr;
67
68  ASSERT_OK(uv_ip4_addr("239.255.0.1", TEST_PORT, &addr));
69
70  r = uv_udp_init(uv_default_loop(), &server);
71  ASSERT_OK(r);
72
73  ASSERT_OK(uv_ip4_addr("0.0.0.0", 0, &baddr));
74  r = uv_udp_bind(&server, (const struct sockaddr*)&baddr, 0);
75  ASSERT_OK(r);
76
77  r = uv_udp_set_multicast_interface(&server, "0.0.0.0");
78  ASSERT_OK(r);
79
80  /* server sends "PING" */
81  buf = uv_buf_init("PING", 4);
82  r = uv_udp_send(&req,
83                  &server,
84                  &buf,
85                  1,
86                  (const struct sockaddr*)&addr,
87                  sv_send_cb);
88  ASSERT_OK(r);
89
90  ASSERT_OK(close_cb_called);
91  ASSERT_OK(sv_send_cb_called);
92
93  /* run the loop till all events are processed */
94  uv_run(uv_default_loop(), UV_RUN_DEFAULT);
95
96  ASSERT_EQ(1, sv_send_cb_called);
97  ASSERT_EQ(1, close_cb_called);
98
99  ASSERT_OK(client.send_queue_size);
100  ASSERT_OK(server.send_queue_size);
101
102  MAKE_VALGRIND_HAPPY(uv_default_loop());
103  return 0;
104}
105