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 | |
30 | #define CHECK_HANDLE(handle) \ |
31 | ASSERT((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client) |
32 | |
33 | static uv_udp_t server; |
34 | static uv_udp_t client; |
35 | |
36 | static int cl_recv_cb_called; |
37 | |
38 | static int sv_send_cb_called; |
39 | |
40 | static int close_cb_called; |
41 | |
42 | static void alloc_cb(uv_handle_t* handle, |
43 | size_t suggested_size, |
44 | uv_buf_t* buf) { |
45 | static char slab[65536]; |
46 | CHECK_HANDLE(handle); |
47 | ASSERT(suggested_size <= sizeof(slab)); |
48 | buf->base = slab; |
49 | buf->len = sizeof(slab); |
50 | } |
51 | |
52 | |
53 | static void close_cb(uv_handle_t* handle) { |
54 | CHECK_HANDLE(handle); |
55 | close_cb_called++; |
56 | } |
57 | |
58 | |
59 | static void sv_send_cb(uv_udp_send_t* req, int status) { |
60 | ASSERT(req != NULL); |
61 | ASSERT(status == 0); |
62 | CHECK_HANDLE(req->handle); |
63 | |
64 | sv_send_cb_called++; |
65 | |
66 | uv_close((uv_handle_t*) req->handle, close_cb); |
67 | } |
68 | |
69 | |
70 | static void cl_recv_cb(uv_udp_t* handle, |
71 | ssize_t nread, |
72 | const uv_buf_t* buf, |
73 | const struct sockaddr* addr, |
74 | unsigned flags) { |
75 | CHECK_HANDLE(handle); |
76 | ASSERT(flags == 0); |
77 | |
78 | cl_recv_cb_called++; |
79 | |
80 | if (nread < 0) { |
81 | ASSERT(0 && "unexpected error" ); |
82 | } |
83 | |
84 | if (nread == 0) { |
85 | /* Returning unused buffer. Don't count towards cl_recv_cb_called */ |
86 | ASSERT(addr == NULL); |
87 | return; |
88 | } |
89 | |
90 | ASSERT(addr != NULL); |
91 | ASSERT(nread == 4); |
92 | ASSERT(!memcmp("PING" , buf->base, nread)); |
93 | |
94 | /* we are done with the client handle, we can close it */ |
95 | uv_close((uv_handle_t*) &client, close_cb); |
96 | } |
97 | |
98 | |
99 | TEST_IMPL(udp_multicast_join6) { |
100 | int r; |
101 | uv_udp_send_t req; |
102 | uv_buf_t buf; |
103 | struct sockaddr_in6 addr; |
104 | |
105 | if (!can_ipv6()) |
106 | RETURN_SKIP("IPv6 not supported" ); |
107 | |
108 | ASSERT(0 == uv_ip6_addr("::1" , TEST_PORT, &addr)); |
109 | |
110 | r = uv_udp_init(uv_default_loop(), &server); |
111 | ASSERT(r == 0); |
112 | |
113 | r = uv_udp_init(uv_default_loop(), &client); |
114 | ASSERT(r == 0); |
115 | |
116 | /* bind to the desired port */ |
117 | r = uv_udp_bind(&client, (const struct sockaddr*) &addr, 0); |
118 | ASSERT(r == 0); |
119 | |
120 | /* join the multicast channel */ |
121 | #if defined(__APPLE__) || \ |
122 | defined(_AIX) || \ |
123 | defined(__MVS__) || \ |
124 | defined(__FreeBSD_kernel__) || \ |
125 | defined(__NetBSD__) || \ |
126 | defined(__OpenBSD__) |
127 | r = uv_udp_set_membership(&client, "ff02::1" , "::1%lo0" , UV_JOIN_GROUP); |
128 | #else |
129 | r = uv_udp_set_membership(&client, "ff02::1" , NULL, UV_JOIN_GROUP); |
130 | #endif |
131 | if (r == UV_ENODEV) { |
132 | MAKE_VALGRIND_HAPPY(); |
133 | RETURN_SKIP("No ipv6 multicast route" ); |
134 | } |
135 | |
136 | ASSERT(r == 0); |
137 | |
138 | r = uv_udp_recv_start(&client, alloc_cb, cl_recv_cb); |
139 | ASSERT(r == 0); |
140 | |
141 | buf = uv_buf_init("PING" , 4); |
142 | |
143 | /* server sends "PING" */ |
144 | r = uv_udp_send(&req, |
145 | &server, |
146 | &buf, |
147 | 1, |
148 | (const struct sockaddr*) &addr, |
149 | sv_send_cb); |
150 | ASSERT(r == 0); |
151 | |
152 | ASSERT(close_cb_called == 0); |
153 | ASSERT(cl_recv_cb_called == 0); |
154 | ASSERT(sv_send_cb_called == 0); |
155 | |
156 | /* run the loop till all events are processed */ |
157 | uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
158 | |
159 | ASSERT(cl_recv_cb_called == 1); |
160 | ASSERT(sv_send_cb_called == 1); |
161 | ASSERT(close_cb_called == 2); |
162 | |
163 | MAKE_VALGRIND_HAPPY(); |
164 | return 0; |
165 | } |
166 | |