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160
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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 #include <string.h>
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27
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28 #ifndef _WIN32
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29 # include <unistd.h>
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30 #endif
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31
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32 static int shutdown_cb_called = 0;
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33 static int shutdown_requested = 0;
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34 static int connect_cb_called = 0;
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35 static int write_cb_called = 0;
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36 static int close_cb_called = 0;
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37
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38 static uv_connect_t connect_req;
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39 static uv_shutdown_t shutdown_req;
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40 static uv_write_t write_req;
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41 static uv_timer_t tm;
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42 static uv_tcp_t client;
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43
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44
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45 static void startup(void) {
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46 #ifdef _WIN32
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47 struct WSAData wsa_data;
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48 int r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
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49 ASSERT_OK(r);
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50 #endif
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51 }
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52
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53
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54 static uv_os_sock_t create_tcp_socket(void) {
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55 uv_os_sock_t sock;
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56
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57 sock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
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58 #ifdef _WIN32
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59 ASSERT_NE(sock, INVALID_SOCKET);
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60 #else
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61 ASSERT_GE(sock, 0);
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62 #endif
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63
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64 #ifndef _WIN32
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65 {
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66 /* Allow reuse of the port. */
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67 int yes = 1;
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68 int r = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof yes);
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69 ASSERT_OK(r);
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70 }
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71 #endif
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72
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73 return sock;
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74 }
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75
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76
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77 static void close_socket(uv_os_sock_t sock) {
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78 int r;
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79 #ifdef _WIN32
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80 r = closesocket(sock);
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81 #else
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82 r = close(sock);
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83 #endif
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84 ASSERT_OK(r);
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85 }
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86
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87
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88 static void alloc_cb(uv_handle_t* handle,
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89 size_t suggested_size,
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90 uv_buf_t* buf) {
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91 static char slab[65536];
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92 ASSERT_LE(suggested_size, sizeof(slab));
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93 buf->base = slab;
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94 buf->len = sizeof(slab);
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95 }
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96
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97
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98 static void close_cb(uv_handle_t* handle) {
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99 ASSERT_NOT_NULL(handle);
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100 close_cb_called++;
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101 }
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102
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103
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104 static void shutdown_cb(uv_shutdown_t* req, int status) {
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105 ASSERT_PTR_EQ(req, &shutdown_req);
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106 ASSERT_OK(status);
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107
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108 /* Now we wait for the EOF */
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109 shutdown_cb_called++;
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110 }
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111
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112
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113 static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
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114 ASSERT_NOT_NULL(tcp);
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115
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116 if (nread >= 0) {
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117 ASSERT_EQ(4, nread);
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118 ASSERT_OK(memcmp("PING", buf->base, nread));
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119 }
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120 else {
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121 ASSERT_EQ(nread, UV_EOF);
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122 uv_close((uv_handle_t*)tcp, close_cb);
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123 }
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124 }
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125
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126
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127 static void read1_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
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128 int i;
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129 ASSERT_NOT_NULL(tcp);
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130
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131 if (nread >= 0) {
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132 for (i = 0; i < nread; ++i)
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133 ASSERT_EQ(buf->base[i], 'P');
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134 } else {
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135 ASSERT_EQ(nread, UV_EOF);
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136 printf("GOT EOF\n");
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137 uv_close((uv_handle_t*)tcp, close_cb);
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138 }
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139 }
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140
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141
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142 static void write_cb(uv_write_t* req, int status) {
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143 ASSERT_NOT_NULL(req);
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144
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145 if (status) {
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146 fprintf(stderr, "uv_write error: %s\n", uv_strerror(status));
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147 ASSERT(0);
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148 }
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149
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150 write_cb_called++;
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151 }
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152
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153
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154 static void write1_cb(uv_write_t* req, int status) {
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155 uv_buf_t buf;
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156 int r;
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157
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158 ASSERT_NOT_NULL(req);
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159 if (status) {
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160 ASSERT(shutdown_cb_called);
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161 return;
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162 }
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163
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164 if (shutdown_requested)
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165 return;
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166
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167 buf = uv_buf_init("P", 1);
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168 r = uv_write(&write_req, req->handle, &buf, 1, write1_cb);
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169 ASSERT_OK(r);
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170
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171 write_cb_called++;
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172 }
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173
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174
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175 static void timer_cb(uv_timer_t* handle) {
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176 int r;
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177
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178 /* Shutdown on drain. */
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179 r = uv_shutdown(&shutdown_req, (uv_stream_t*) &client, shutdown_cb);
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180 ASSERT_OK(r);
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181 shutdown_requested++;
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182 }
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183
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184
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185 static void connect_cb(uv_connect_t* req, int status) {
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186 uv_buf_t buf = uv_buf_init("PING", 4);
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187 uv_stream_t* stream;
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188 int r;
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189
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190 ASSERT_PTR_EQ(req, &connect_req);
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191 ASSERT_OK(status);
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192
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193 stream = req->handle;
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194 connect_cb_called++;
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195
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196 r = uv_write(&write_req, stream, &buf, 1, write_cb);
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197 ASSERT_OK(r);
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198
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199 /* Shutdown on drain. */
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200 r = uv_shutdown(&shutdown_req, stream, shutdown_cb);
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201 ASSERT_OK(r);
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202
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203 /* Start reading */
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204 r = uv_read_start(stream, alloc_cb, read_cb);
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205 ASSERT_OK(r);
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206 }
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207
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208
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209 static void connect1_cb(uv_connect_t* req, int status) {
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210 uv_buf_t buf;
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211 uv_stream_t* stream;
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212 int r;
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213
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214 ASSERT_PTR_EQ(req, &connect_req);
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215 ASSERT_OK(status);
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216
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217 stream = req->handle;
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218 connect_cb_called++;
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219
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220 r = uv_timer_init(uv_default_loop(), &tm);
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221 ASSERT_OK(r);
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222
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223 r = uv_timer_start(&tm, timer_cb, 2000, 0);
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224 ASSERT_OK(r);
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225
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226 buf = uv_buf_init("P", 1);
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227 r = uv_write(&write_req, stream, &buf, 1, write1_cb);
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228 ASSERT_OK(r);
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229
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230 /* Start reading */
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231 r = uv_read_start(stream, alloc_cb, read1_cb);
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232 ASSERT_OK(r);
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233 }
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234
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235
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236 TEST_IMPL(tcp_open) {
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237 struct sockaddr_in addr;
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238 uv_os_sock_t sock;
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239 int r;
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240 uv_tcp_t client2;
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241
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242 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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243
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244 startup();
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245 sock = create_tcp_socket();
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246
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247 r = uv_tcp_init(uv_default_loop(), &client);
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248 ASSERT_OK(r);
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249
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250 r = uv_tcp_open(&client, sock);
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251 ASSERT_OK(r);
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252
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253 r = uv_tcp_connect(&connect_req,
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254 &client,
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255 (const struct sockaddr*) &addr,
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256 connect_cb);
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257 ASSERT_OK(r);
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258
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259 #ifndef _WIN32
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260 {
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261 r = uv_tcp_init(uv_default_loop(), &client2);
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262 ASSERT_OK(r);
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263
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264 r = uv_tcp_open(&client2, sock);
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265 ASSERT_EQ(r, UV_EEXIST);
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266
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267 uv_close((uv_handle_t*) &client2, NULL);
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268 }
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269 #else /* _WIN32 */
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270 (void)client2;
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271 #endif
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272
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273 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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274
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275 ASSERT_EQ(1, shutdown_cb_called);
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276 ASSERT_EQ(1, connect_cb_called);
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277 ASSERT_EQ(1, write_cb_called);
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278 ASSERT_EQ(1, close_cb_called);
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279
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280 MAKE_VALGRIND_HAPPY(uv_default_loop());
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281 return 0;
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282 }
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283
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284
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285 TEST_IMPL(tcp_open_twice) {
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286 uv_tcp_t client;
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287 uv_os_sock_t sock1, sock2;
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288 int r;
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289
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290 startup();
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291 sock1 = create_tcp_socket();
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292 sock2 = create_tcp_socket();
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293
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294 r = uv_tcp_init(uv_default_loop(), &client);
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295 ASSERT_OK(r);
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296
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297 r = uv_tcp_open(&client, sock1);
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298 ASSERT_OK(r);
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299
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300 r = uv_tcp_open(&client, sock2);
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301 ASSERT_EQ(r, UV_EBUSY);
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302 close_socket(sock2);
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303
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304 uv_close((uv_handle_t*) &client, NULL);
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305 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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306
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307 MAKE_VALGRIND_HAPPY(uv_default_loop());
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308 return 0;
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309 }
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310
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311
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312 TEST_IMPL(tcp_open_bound) {
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313 struct sockaddr_in addr;
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314 uv_tcp_t server;
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315 uv_os_sock_t sock;
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316
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317 startup();
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318 sock = create_tcp_socket();
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319
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320 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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321
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322 ASSERT_OK(uv_tcp_init(uv_default_loop(), &server));
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323
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324 ASSERT_OK(bind(sock, (struct sockaddr*) &addr, sizeof(addr)));
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325
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326 ASSERT_OK(uv_tcp_open(&server, sock));
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327
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328 ASSERT_OK(uv_listen((uv_stream_t*) &server, 128, NULL));
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329
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330 MAKE_VALGRIND_HAPPY(uv_default_loop());
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331 return 0;
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332 }
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333
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334
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335 TEST_IMPL(tcp_open_connected) {
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336 struct sockaddr_in addr;
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337 uv_tcp_t client;
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338 uv_os_sock_t sock;
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339 uv_buf_t buf = uv_buf_init("PING", 4);
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340
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341 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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342
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343 startup();
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344 sock = create_tcp_socket();
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345
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346 ASSERT_OK(connect(sock, (struct sockaddr*) &addr, sizeof(addr)));
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347
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348 ASSERT_OK(uv_tcp_init(uv_default_loop(), &client));
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349
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350 ASSERT_OK(uv_tcp_open(&client, sock));
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351
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352 ASSERT_OK(uv_write(&write_req,
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353 (uv_stream_t*) &client,
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354 &buf,
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355 1,
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356 write_cb));
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357
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358 ASSERT_OK(uv_shutdown(&shutdown_req,
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359 (uv_stream_t*) &client,
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360 shutdown_cb));
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361
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362 ASSERT_OK(uv_read_start((uv_stream_t*) &client, alloc_cb, read_cb));
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363
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364 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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365
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366 ASSERT_EQ(1, shutdown_cb_called);
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367 ASSERT_EQ(1, write_cb_called);
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368 ASSERT_EQ(1, close_cb_called);
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369
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370 MAKE_VALGRIND_HAPPY(uv_default_loop());
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371 return 0;
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372 }
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373
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374
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375 TEST_IMPL(tcp_write_ready) {
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376 struct sockaddr_in addr;
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377 uv_os_sock_t sock;
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378 int r;
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379
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380 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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381
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382 startup();
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383 sock = create_tcp_socket();
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384
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385 r = uv_tcp_init(uv_default_loop(), &client);
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386 ASSERT_OK(r);
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387
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388 r = uv_tcp_open(&client, sock);
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389 ASSERT_OK(r);
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390
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391 r = uv_tcp_connect(&connect_req,
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392 &client,
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393 (const struct sockaddr*) &addr,
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394 connect1_cb);
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395 ASSERT_OK(r);
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396
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397 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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398
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399 ASSERT_EQ(1, shutdown_cb_called);
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400 ASSERT_EQ(1, shutdown_requested);
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401 ASSERT_EQ(1, connect_cb_called);
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402 ASSERT_GT(write_cb_called, 0);
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403 ASSERT_EQ(1, close_cb_called);
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404
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405 MAKE_VALGRIND_HAPPY(uv_default_loop());
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406 return 0;
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407 }
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