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 <string.h> |
26 | #include <errno.h> |
27 | |
28 | /* NOTE: Number should be big enough to trigger this problem */ |
29 | #if defined(__CYGWIN__) || defined(__MSYS__) |
30 | /* Cygwin crashes or hangs in socket() with too many AF_INET sockets. */ |
31 | static uv_udp_t sockets[1250]; |
32 | #else |
33 | static uv_udp_t sockets[2500]; |
34 | #endif |
35 | static uv_udp_send_t reqs[ARRAY_SIZE(sockets)]; |
36 | static char slab[1]; |
37 | static unsigned int recv_cb_called; |
38 | static unsigned int send_cb_called; |
39 | static unsigned int close_cb_called; |
40 | |
41 | static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) { |
42 | buf->base = slab; |
43 | buf->len = sizeof(slab); |
44 | } |
45 | |
46 | |
47 | static void recv_cb(uv_udp_t* handle, |
48 | ssize_t nread, |
49 | const uv_buf_t* buf, |
50 | const struct sockaddr* addr, |
51 | unsigned flags) { |
52 | recv_cb_called++; |
53 | } |
54 | |
55 | |
56 | static void send_cb(uv_udp_send_t* req, int status) { |
57 | send_cb_called++; |
58 | } |
59 | |
60 | |
61 | static void close_cb(uv_handle_t* handle) { |
62 | close_cb_called++; |
63 | } |
64 | |
65 | |
66 | TEST_IMPL(watcher_cross_stop) { |
67 | #if defined(__MVS__) |
68 | RETURN_SKIP("zOS does not allow address or port reuse when using UDP sockets" ); |
69 | #endif |
70 | uv_loop_t* loop = uv_default_loop(); |
71 | unsigned int i; |
72 | struct sockaddr_in addr; |
73 | uv_buf_t buf; |
74 | char big_string[1024]; |
75 | |
76 | TEST_FILE_LIMIT(ARRAY_SIZE(sockets) + 32); |
77 | |
78 | ASSERT(0 == uv_ip4_addr("127.0.0.1" , TEST_PORT, &addr)); |
79 | memset(big_string, 'A', sizeof(big_string)); |
80 | buf = uv_buf_init(big_string, sizeof(big_string)); |
81 | |
82 | for (i = 0; i < ARRAY_SIZE(sockets); i++) { |
83 | ASSERT(0 == uv_udp_init(loop, &sockets[i])); |
84 | ASSERT(0 == uv_udp_bind(&sockets[i], |
85 | (const struct sockaddr*) &addr, |
86 | UV_UDP_REUSEADDR)); |
87 | ASSERT(0 == uv_udp_recv_start(&sockets[i], alloc_cb, recv_cb)); |
88 | ASSERT(0 == uv_udp_send(&reqs[i], |
89 | &sockets[i], |
90 | &buf, |
91 | 1, |
92 | (const struct sockaddr*) &addr, |
93 | send_cb)); |
94 | } |
95 | |
96 | while (recv_cb_called == 0) |
97 | uv_run(loop, UV_RUN_ONCE); |
98 | |
99 | for (i = 0; i < ARRAY_SIZE(sockets); i++) |
100 | uv_close((uv_handle_t*) &sockets[i], close_cb); |
101 | |
102 | ASSERT(recv_cb_called > 0); |
103 | |
104 | uv_run(loop, UV_RUN_DEFAULT); |
105 | |
106 | ASSERT(ARRAY_SIZE(sockets) == send_cb_called); |
107 | ASSERT(ARRAY_SIZE(sockets) == close_cb_called); |
108 | |
109 | MAKE_VALGRIND_HAPPY(); |
110 | return 0; |
111 | } |
112 | |