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 #include <stdio.h>
25 #include <stdlib.h>
26
27
28 static int connect_cb_called;
29 static int close_cb_called;
30
31 static uv_connect_t connect_req;
32 static uv_timer_t timer;
33 static uv_tcp_t conn;
34
35 static void connect_cb(uv_connect_t* req, int status);
36 static void timer_cb(uv_timer_t* handle);
37 static void close_cb(uv_handle_t* handle);
38
39
connect_cb(uv_connect_t * req,int status)40 static void connect_cb(uv_connect_t* req, int status) {
41 ASSERT_PTR_EQ(req, &connect_req);
42 ASSERT_EQ(status, UV_ECANCELED);
43 connect_cb_called++;
44 }
45
46
timer_cb(uv_timer_t * handle)47 static void timer_cb(uv_timer_t* handle) {
48 ASSERT_PTR_EQ(handle, &timer);
49 uv_close((uv_handle_t*)&conn, close_cb);
50 uv_close((uv_handle_t*)&timer, close_cb);
51 }
52
53
close_cb(uv_handle_t * handle)54 static void close_cb(uv_handle_t* handle) {
55 ASSERT(handle == (uv_handle_t*)&conn || handle == (uv_handle_t*)&timer);
56 close_cb_called++;
57 }
58
59
60 /* Verify that connecting to an unreachable address or port doesn't hang
61 * the event loop.
62 */
TEST_IMPL(tcp_connect_timeout)63 TEST_IMPL(tcp_connect_timeout) {
64 struct sockaddr_in addr;
65 int r;
66
67 ASSERT_OK(uv_ip4_addr("8.8.8.8", 9999, &addr));
68
69 r = uv_timer_init(uv_default_loop(), &timer);
70 ASSERT_OK(r);
71
72 r = uv_timer_start(&timer, timer_cb, 50, 0);
73 ASSERT_OK(r);
74
75 r = uv_tcp_init(uv_default_loop(), &conn);
76 ASSERT_OK(r);
77
78 r = uv_tcp_connect(&connect_req,
79 &conn,
80 (const struct sockaddr*) &addr,
81 connect_cb);
82 if (r == UV_ENETUNREACH)
83 RETURN_SKIP("Network unreachable.");
84 ASSERT_OK(r);
85
86 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
87 ASSERT_OK(r);
88
89 MAKE_VALGRIND_HAPPY(uv_default_loop());
90 return 0;
91 }
92
93 /* Make sure connect fails instantly if the target is nonexisting
94 * local port.
95 */
96
connect_local_cb(uv_connect_t * req,int status)97 static void connect_local_cb(uv_connect_t* req, int status) {
98 ASSERT_PTR_EQ(req, &connect_req);
99 ASSERT_NE(status, UV_ECANCELED);
100 connect_cb_called++;
101 }
102
is_supported_system(void)103 static int is_supported_system(void) {
104 int semver[3];
105 int min_semver[3] = {10, 0, 16299};
106 int cnt;
107 uv_utsname_t uname;
108 ASSERT_OK(uv_os_uname(&uname));
109 if (strcmp(uname.sysname, "Windows_NT") == 0) {
110 cnt = sscanf(uname.release, "%d.%d.%d", &semver[0], &semver[1], &semver[2]);
111 if (cnt != 3) {
112 return 0;
113 }
114 /* release >= 10.0.16299 */
115 for (cnt = 0; cnt < 3; ++cnt) {
116 if (semver[cnt] > min_semver[cnt])
117 return 1;
118 if (semver[cnt] < min_semver[cnt])
119 return 0;
120 }
121 return 1;
122 }
123 return 1;
124 }
125
TEST_IMPL(tcp_local_connect_timeout)126 TEST_IMPL(tcp_local_connect_timeout) {
127 struct sockaddr_in addr;
128 int r;
129
130 if (!is_supported_system()) {
131 RETURN_SKIP("Unsupported system");
132 }
133 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
134
135 r = uv_timer_init(uv_default_loop(), &timer);
136 ASSERT_OK(r);
137
138 /* Give it 1s to timeout. */
139 r = uv_timer_start(&timer, timer_cb, 1000, 0);
140 ASSERT_OK(r);
141
142 r = uv_tcp_init(uv_default_loop(), &conn);
143 ASSERT_OK(r);
144
145 r = uv_tcp_connect(&connect_req,
146 &conn,
147 (const struct sockaddr*) &addr,
148 connect_local_cb);
149 if (r == UV_ENETUNREACH)
150 RETURN_SKIP("Network unreachable.");
151 ASSERT_OK(r);
152
153 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
154 ASSERT_OK(r);
155
156 MAKE_VALGRIND_HAPPY(uv_default_loop());
157 return 0;
158 }
159
TEST_IMPL(tcp6_local_connect_timeout)160 TEST_IMPL(tcp6_local_connect_timeout) {
161 struct sockaddr_in6 addr;
162 int r;
163
164 if (!is_supported_system()) {
165 RETURN_SKIP("Unsupported system");
166 }
167 if (!can_ipv6()) {
168 RETURN_SKIP("IPv6 not supported");
169 }
170
171 ASSERT_OK(uv_ip6_addr("::1", 9999, &addr));
172
173 r = uv_timer_init(uv_default_loop(), &timer);
174 ASSERT_OK(r);
175
176 /* Give it 1s to timeout. */
177 r = uv_timer_start(&timer, timer_cb, 1000, 0);
178 ASSERT_OK(r);
179
180 r = uv_tcp_init(uv_default_loop(), &conn);
181 ASSERT_OK(r);
182
183 r = uv_tcp_connect(&connect_req,
184 &conn,
185 (const struct sockaddr*) &addr,
186 connect_local_cb);
187 if (r == UV_ENETUNREACH)
188 RETURN_SKIP("Network unreachable.");
189 ASSERT_OK(r);
190
191 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
192 ASSERT_OK(r);
193
194 MAKE_VALGRIND_HAPPY(uv_default_loop());
195 return 0;
196 }
197
