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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include "uv.h"
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23 #include "task.h"
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24 #include <stdio.h>
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25 #include <stdlib.h>
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26
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27
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28 static int connect_cb_called;
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29 static int close_cb_called;
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30
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31 static uv_connect_t connect_req;
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32 static uv_timer_t timer;
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33 static uv_tcp_t conn;
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34
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35 static void connect_cb(uv_connect_t* req, int status);
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36 static void timer_cb(uv_timer_t* handle);
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37 static void close_cb(uv_handle_t* handle);
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38
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39
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40 static void connect_cb(uv_connect_t* req, int status) {
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41 ASSERT_PTR_EQ(req, &connect_req);
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42 ASSERT_EQ(status, UV_ECANCELED);
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43 connect_cb_called++;
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44 }
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45
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46
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47 static void timer_cb(uv_timer_t* handle) {
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48 ASSERT_PTR_EQ(handle, &timer);
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49 uv_close((uv_handle_t*)&conn, close_cb);
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50 uv_close((uv_handle_t*)&timer, close_cb);
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51 }
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52
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53
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54 static void close_cb(uv_handle_t* handle) {
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55 ASSERT(handle == (uv_handle_t*)&conn || handle == (uv_handle_t*)&timer);
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56 close_cb_called++;
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57 }
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58
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59
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60 /* Verify that connecting to an unreachable address or port doesn't hang
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61 * the event loop.
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62 */
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63 TEST_IMPL(tcp_connect_timeout) {
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64 struct sockaddr_in addr;
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65 int r;
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66
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67 ASSERT_OK(uv_ip4_addr("8.8.8.8", 9999, &addr));
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68
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69 r = uv_timer_init(uv_default_loop(), &timer);
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70 ASSERT_OK(r);
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71
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72 r = uv_timer_start(&timer, timer_cb, 50, 0);
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73 ASSERT_OK(r);
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74
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75 r = uv_tcp_init(uv_default_loop(), &conn);
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76 ASSERT_OK(r);
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77
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78 r = uv_tcp_connect(&connect_req,
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79 &conn,
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80 (const struct sockaddr*) &addr,
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81 connect_cb);
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82 if (r == UV_ENETUNREACH)
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83 RETURN_SKIP("Network unreachable.");
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84 ASSERT_OK(r);
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85
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86 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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87 ASSERT_OK(r);
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88
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89 MAKE_VALGRIND_HAPPY(uv_default_loop());
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90 return 0;
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91 }
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92
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93 /* Make sure connect fails instantly if the target is nonexisting
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94 * local port.
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95 */
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96
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97 static void connect_local_cb(uv_connect_t* req, int status) {
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98 ASSERT_PTR_EQ(req, &connect_req);
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99 ASSERT_NE(status, UV_ECANCELED);
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100 connect_cb_called++;
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101 }
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102
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103 static int is_supported_system(void) {
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104 int semver[3];
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105 int min_semver[3] = {10, 0, 16299};
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106 int cnt;
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107 uv_utsname_t uname;
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108 ASSERT_OK(uv_os_uname(&uname));
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109 if (strcmp(uname.sysname, "Windows_NT") == 0) {
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110 cnt = sscanf(uname.release, "%d.%d.%d", &semver[0], &semver[1], &semver[2]);
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111 if (cnt != 3) {
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112 return 0;
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113 }
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114 /* release >= 10.0.16299 */
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115 for (cnt = 0; cnt < 3; ++cnt) {
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116 if (semver[cnt] > min_semver[cnt])
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117 return 1;
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118 if (semver[cnt] < min_semver[cnt])
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119 return 0;
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120 }
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121 return 1;
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122 }
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123 return 1;
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124 }
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125
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126 TEST_IMPL(tcp_local_connect_timeout) {
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127 struct sockaddr_in addr;
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128 int r;
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129
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130 if (!is_supported_system()) {
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131 RETURN_SKIP("Unsupported system");
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132 }
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133 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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134
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135 r = uv_timer_init(uv_default_loop(), &timer);
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136 ASSERT_OK(r);
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137
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138 /* Give it 1s to timeout. */
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139 r = uv_timer_start(&timer, timer_cb, 1000, 0);
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140 ASSERT_OK(r);
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141
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142 r = uv_tcp_init(uv_default_loop(), &conn);
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143 ASSERT_OK(r);
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144
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145 r = uv_tcp_connect(&connect_req,
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146 &conn,
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147 (const struct sockaddr*) &addr,
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148 connect_local_cb);
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149 if (r == UV_ENETUNREACH)
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150 RETURN_SKIP("Network unreachable.");
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151 ASSERT_OK(r);
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152
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153 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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154 ASSERT_OK(r);
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155
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156 MAKE_VALGRIND_HAPPY(uv_default_loop());
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157 return 0;
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158 }
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159
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160 TEST_IMPL(tcp6_local_connect_timeout) {
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161 struct sockaddr_in6 addr;
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162 int r;
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163
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164 if (!is_supported_system()) {
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165 RETURN_SKIP("Unsupported system");
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166 }
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167 if (!can_ipv6()) {
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168 RETURN_SKIP("IPv6 not supported");
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169 }
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170
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171 ASSERT_OK(uv_ip6_addr("::1", 9999, &addr));
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172
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173 r = uv_timer_init(uv_default_loop(), &timer);
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174 ASSERT_OK(r);
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175
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176 /* Give it 1s to timeout. */
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177 r = uv_timer_start(&timer, timer_cb, 1000, 0);
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178 ASSERT_OK(r);
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179
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180 r = uv_tcp_init(uv_default_loop(), &conn);
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181 ASSERT_OK(r);
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182
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183 r = uv_tcp_connect(&connect_req,
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184 &conn,
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185 (const struct sockaddr*) &addr,
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186 connect_local_cb);
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187 if (r == UV_ENETUNREACH)
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188 RETURN_SKIP("Network unreachable.");
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189 ASSERT_OK(r);
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190
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191 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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192 ASSERT_OK(r);
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193
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194 MAKE_VALGRIND_HAPPY(uv_default_loop());
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195 return 0;
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196 }
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