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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
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25 #include <stdlib.h>
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26 #include <stdio.h>
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27
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28
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29 static uv_tcp_t tcp;
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30 static uv_connect_t req;
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31 static int connect_cb_calls;
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32 static int close_cb_calls;
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33
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34 static uv_timer_t timer;
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35 static int timer_close_cb_calls;
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36 static int timer_cb_calls;
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37
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38
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39 static void on_close(uv_handle_t* handle) {
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40 close_cb_calls++;
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41 }
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42
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43
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44 static void timer_close_cb(uv_handle_t* handle) {
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45 timer_close_cb_calls++;
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46 }
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47
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48
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49 static void timer_cb(uv_timer_t* handle) {
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50 timer_cb_calls++;
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51
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52 /*
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53 * These are the important asserts. The connection callback has been made,
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54 * but libuv hasn't automatically closed the socket. The user must
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55 * uv_close the handle manually.
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56 */
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57 ASSERT_OK(close_cb_calls);
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58 ASSERT_EQ(1, connect_cb_calls);
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59
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60 /* Close the tcp handle. */
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61 uv_close((uv_handle_t*)&tcp, on_close);
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62
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63 /* Close the timer. */
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64 uv_close((uv_handle_t*)handle, timer_close_cb);
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65 }
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66
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67
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68 static void on_connect_with_close(uv_connect_t *req, int status) {
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69 ASSERT_PTR_EQ((uv_stream_t*) &tcp, req->handle);
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70 ASSERT_EQ(status, UV_ECONNREFUSED);
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71 connect_cb_calls++;
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72
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73 ASSERT_OK(close_cb_calls);
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74 uv_close((uv_handle_t*)req->handle, on_close);
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75 }
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76
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77
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78 static void on_connect_without_close(uv_connect_t *req, int status) {
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79 ASSERT_EQ(status, UV_ECONNREFUSED);
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80 connect_cb_calls++;
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81
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82 uv_timer_start(&timer, timer_cb, 100, 0);
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83
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84 ASSERT_OK(close_cb_calls);
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85 }
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86
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87
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88 static void connection_fail(uv_connect_cb connect_cb) {
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89 struct sockaddr_in client_addr, server_addr;
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90 int r;
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91
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92 ASSERT_OK(uv_ip4_addr("0.0.0.0", 0, &client_addr));
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93
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94 /* There should be no servers listening on this port. */
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95 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
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96
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97 /* Try to connect to the server and do NUM_PINGS ping-pongs. */
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98 r = uv_tcp_init(uv_default_loop(), &tcp);
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99 ASSERT(!r);
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100
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101 /* We are never doing multiple reads/connects at a time anyway. so these
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102 * handles can be pre-initialized. */
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103 ASSERT_OK(uv_tcp_bind(&tcp, (const struct sockaddr*) &client_addr, 0));
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104
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105 r = uv_tcp_connect(&req,
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106 &tcp,
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107 (const struct sockaddr*) &server_addr,
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108 connect_cb);
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109 ASSERT(!r);
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110
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111 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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112
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113 ASSERT_EQ(1, connect_cb_calls);
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114 ASSERT_EQ(1, close_cb_calls);
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115 }
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116
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117
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118 /*
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119 * This test attempts to connect to a port where no server is running. We
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120 * expect an error.
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121 */
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122 TEST_IMPL(connection_fail) {
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123 /* TODO(gengjiawen): Fix test on QEMU. */
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124 #if defined(__QEMU__)
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125 RETURN_SKIP("Test does not currently work in QEMU");
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126 #endif
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127
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128 connection_fail(on_connect_with_close);
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129
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130 ASSERT_OK(timer_close_cb_calls);
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131 ASSERT_OK(timer_cb_calls);
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132
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133 MAKE_VALGRIND_HAPPY(uv_default_loop());
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134 return 0;
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135 }
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136
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137
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138 /*
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139 * This test is the same as the first except it check that the close
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140 * callback of the tcp handle hasn't been made after the failed connection
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141 * attempt.
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142 */
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143 TEST_IMPL(connection_fail_doesnt_auto_close) {
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144 /* TODO(gengjiawen): Fix test on QEMU. */
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145 #if defined(__QEMU__)
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146 RETURN_SKIP("Test does not currently work in QEMU");
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147 #endif
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148
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149 int r;
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150
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151 r = uv_timer_init(uv_default_loop(), &timer);
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152 ASSERT_OK(r);
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153
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154 connection_fail(on_connect_without_close);
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155
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156 ASSERT_EQ(1, timer_close_cb_calls);
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157 ASSERT_EQ(1, timer_cb_calls);
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158
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159 MAKE_VALGRIND_HAPPY(uv_default_loop());
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160 return 0;
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161 }
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