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
28static int connect_cb_called;
29static int close_cb_called;
30
31static uv_connect_t connect_req;
32static uv_timer_t timer;
33static uv_tcp_t conn;
34
35static void connect_cb(uv_connect_t* req, int status);
36static void timer_cb(uv_timer_t* handle);
37static void close_cb(uv_handle_t* handle);
38
39
40static void connect_cb(uv_connect_t* req, int status) {
41  ASSERT(req == &connect_req);
42  ASSERT(status == UV_ECANCELED);
43  connect_cb_called++;
44}
45
46
47static void timer_cb(uv_timer_t* handle) {
48  ASSERT(handle == &timer);
49  uv_close((uv_handle_t*)&conn, close_cb);
50  uv_close((uv_handle_t*)&timer, close_cb);
51}
52
53
54static 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 */
63TEST_IMPL(tcp_connect_timeout) {
64  struct sockaddr_in addr;
65  int r;
66
67  ASSERT(0 == uv_ip4_addr("8.8.8.8", 9999, &addr));
68
69  r = uv_timer_init(uv_default_loop(), &timer);
70  ASSERT(r == 0);
71
72  r = uv_timer_start(&timer, timer_cb, 50, 0);
73  ASSERT(r == 0);
74
75  r = uv_tcp_init(uv_default_loop(), &conn);
76  ASSERT(r == 0);
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(r == 0);
85
86  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
87  ASSERT(r == 0);
88
89  MAKE_VALGRIND_HAPPY();
90  return 0;
91}
92
93/* Make sure connect fails instantly if the target is nonexisting
94 * local port.
95 */
96
97static 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
103static 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_EQ(uv_os_uname(&uname), 0);
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
126TEST_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_EQ(0, uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
134
135  r = uv_timer_init(uv_default_loop(), &timer);
136  ASSERT_EQ(r, 0);
137
138  /* Give it 1s to timeout. */
139  r = uv_timer_start(&timer, timer_cb, 1000, 0);
140  ASSERT_EQ(r, 0);
141
142  r = uv_tcp_init(uv_default_loop(), &conn);
143  ASSERT_EQ(r, 0);
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_EQ(r, 0);
152
153  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
154  ASSERT(r == 0);
155
156  MAKE_VALGRIND_HAPPY();
157  return 0;
158}
159
160TEST_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_EQ(0, uv_ip6_addr("::1", 9999, &addr));
172
173  r = uv_timer_init(uv_default_loop(), &timer);
174  ASSERT_EQ(r, 0);
175
176  /* Give it 1s to timeout. */
177  r = uv_timer_start(&timer, timer_cb, 1000, 0);
178  ASSERT_EQ(r, 0);
179
180  r = uv_tcp_init(uv_default_loop(), &conn);
181  ASSERT_EQ(r, 0);
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_EQ(r, 0);
190
191  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
192  ASSERT_EQ(r, 0);
193
194  MAKE_VALGRIND_HAPPY();
195  return 0;
196}
197