|
160
|
1 /* Copyright The libuv project and 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_OBJECT(handle, type, parent) \
|
|
|
30 ASSERT_PTR_EQ((type*)(handle), &(parent))
|
|
|
31
|
|
|
32 static uv_udp_t client;
|
|
|
33 static uv_idle_t idle_handle;
|
|
|
34 static uv_udp_send_t send_req;
|
|
|
35 static uv_buf_t buf;
|
|
|
36 static struct sockaddr_in addr;
|
|
|
37 static char send_data[1024];
|
|
|
38
|
|
|
39 static int loop_hang_called;
|
|
|
40
|
|
|
41 static void send_cb(uv_udp_send_t* req, int status);
|
|
|
42
|
|
|
43
|
|
|
44 static void idle_cb(uv_idle_t* handle) {
|
|
|
45 int r;
|
|
|
46
|
|
|
47 ASSERT_NULL(send_req.handle);
|
|
|
48 CHECK_OBJECT(handle, uv_idle_t, idle_handle);
|
|
|
49 ASSERT_OK(uv_idle_stop(handle));
|
|
|
50
|
|
|
51 /* It probably would have stalled by now if it's going to stall at all. */
|
|
|
52 if (++loop_hang_called > 1000) {
|
|
|
53 uv_close((uv_handle_t*) &client, NULL);
|
|
|
54 uv_close((uv_handle_t*) &idle_handle, NULL);
|
|
|
55 return;
|
|
|
56 }
|
|
|
57
|
|
|
58 r = uv_udp_send(&send_req,
|
|
|
59 &client,
|
|
|
60 &buf,
|
|
|
61 1,
|
|
|
62 (const struct sockaddr*) &addr,
|
|
|
63 send_cb);
|
|
|
64 ASSERT_OK(r);
|
|
|
65 }
|
|
|
66
|
|
|
67
|
|
|
68 static void send_cb(uv_udp_send_t* req, int status) {
|
|
|
69 ASSERT_NOT_NULL(req);
|
|
|
70 ASSERT(status == 0 || status == UV_ENETUNREACH);
|
|
|
71 CHECK_OBJECT(req->handle, uv_udp_t, client);
|
|
|
72 CHECK_OBJECT(req, uv_udp_send_t, send_req);
|
|
|
73 req->handle = NULL;
|
|
|
74
|
|
|
75 ASSERT_OK(uv_idle_start(&idle_handle, idle_cb));
|
|
|
76 }
|
|
|
77
|
|
|
78
|
|
|
79 TEST_IMPL(udp_send_hang_loop) {
|
|
|
80 ASSERT_OK(uv_idle_init(uv_default_loop(), &idle_handle));
|
|
|
81
|
|
|
82 /* 192.0.2.0/24 is "TEST-NET" and reserved for documentation.
|
|
|
83 * Good for us, though. Since we want to have something unreachable.
|
|
|
84 */
|
|
|
85 ASSERT_OK(uv_ip4_addr("192.0.2.3", TEST_PORT, &addr));
|
|
|
86
|
|
|
87 ASSERT_OK(uv_udp_init(uv_default_loop(), &client));
|
|
|
88
|
|
|
89 buf = uv_buf_init(send_data, sizeof(send_data));
|
|
|
90
|
|
|
91 ASSERT_OK(uv_idle_start(&idle_handle, idle_cb));
|
|
|
92
|
|
|
93 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
|
|
|
94
|
|
|
95 ASSERT_GT(loop_hang_called, 1000);
|
|
|
96
|
|
|
97 MAKE_VALGRIND_HAPPY(uv_default_loop());
|
|
|
98 return 0;
|
|
|
99 }
|
