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) == &client) |
31 | |
32 | static uv_udp_t client; |
33 | static uv_timer_t timer; |
34 | |
35 | static int send_cb_called; |
36 | static int recv_cb_called; |
37 | static int close_cb_called; |
38 | static int alloc_cb_called; |
39 | static int timer_cb_called; |
40 | |
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 | alloc_cb_called++; |
51 | } |
52 | |
53 | |
54 | static void close_cb(uv_handle_t* handle) { |
55 | ASSERT(1 == uv_is_closing(handle)); |
56 | close_cb_called++; |
57 | } |
58 | |
59 | |
60 | static void send_cb(uv_udp_send_t* req, int status) { |
61 | ASSERT(req != NULL); |
62 | ASSERT(status == 0); |
63 | CHECK_HANDLE(req->handle); |
64 | send_cb_called++; |
65 | } |
66 | |
67 | |
68 | static void recv_cb(uv_udp_t* handle, |
69 | ssize_t nread, |
70 | const uv_buf_t* rcvbuf, |
71 | const struct sockaddr* addr, |
72 | unsigned flags) { |
73 | CHECK_HANDLE(handle); |
74 | recv_cb_called++; |
75 | |
76 | if (nread < 0) { |
77 | ASSERT(0 && "unexpected error" ); |
78 | } else if (nread == 0) { |
79 | /* Returning unused buffer */ |
80 | ASSERT(addr == NULL); |
81 | } else { |
82 | ASSERT(addr != NULL); |
83 | } |
84 | } |
85 | |
86 | |
87 | static void timer_cb(uv_timer_t* h) { |
88 | ASSERT(h == &timer); |
89 | timer_cb_called++; |
90 | uv_close((uv_handle_t*) &client, close_cb); |
91 | uv_close((uv_handle_t*) h, close_cb); |
92 | } |
93 | |
94 | |
95 | TEST_IMPL(udp_send_unreachable) { |
96 | struct sockaddr_in addr; |
97 | struct sockaddr_in addr2; |
98 | uv_udp_send_t req1, req2; |
99 | uv_buf_t buf; |
100 | int r; |
101 | |
102 | ASSERT(0 == uv_ip4_addr("127.0.0.1" , TEST_PORT, &addr)); |
103 | ASSERT(0 == uv_ip4_addr("127.0.0.1" , TEST_PORT_2, &addr2)); |
104 | |
105 | r = uv_timer_init( uv_default_loop(), &timer ); |
106 | ASSERT(r == 0); |
107 | |
108 | r = uv_timer_start( &timer, timer_cb, 1000, 0 ); |
109 | ASSERT(r == 0); |
110 | |
111 | r = uv_udp_init(uv_default_loop(), &client); |
112 | ASSERT(r == 0); |
113 | |
114 | r = uv_udp_bind(&client, (const struct sockaddr*) &addr2, 0); |
115 | ASSERT(r == 0); |
116 | |
117 | r = uv_udp_recv_start(&client, alloc_cb, recv_cb); |
118 | ASSERT(r == 0); |
119 | |
120 | /* client sends "PING", then "PANG" */ |
121 | buf = uv_buf_init("PING" , 4); |
122 | |
123 | r = uv_udp_send(&req1, |
124 | &client, |
125 | &buf, |
126 | 1, |
127 | (const struct sockaddr*) &addr, |
128 | send_cb); |
129 | ASSERT(r == 0); |
130 | |
131 | buf = uv_buf_init("PANG" , 4); |
132 | |
133 | r = uv_udp_send(&req2, |
134 | &client, |
135 | &buf, |
136 | 1, |
137 | (const struct sockaddr*) &addr, |
138 | send_cb); |
139 | ASSERT(r == 0); |
140 | |
141 | uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
142 | |
143 | ASSERT(send_cb_called == 2); |
144 | ASSERT(recv_cb_called == alloc_cb_called); |
145 | ASSERT(timer_cb_called == 1); |
146 | ASSERT(close_cb_called == 2); |
147 | |
148 | MAKE_VALGRIND_HAPPY(); |
149 | return 0; |
150 | } |
151 | |