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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 static int connection_cb_called = 0;
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28 static int do_accept_called = 0;
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29 static int close_cb_called = 0;
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30 static int connect_cb_called = 0;
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31
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32
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33 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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34 buf->base = malloc(size);
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35 buf->len = size;
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36 }
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37
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38
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39 static void close_cb(uv_handle_t* handle) {
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40 ASSERT_NOT_NULL(handle);
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41
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42 free(handle);
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43
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44 close_cb_called++;
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45 }
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46
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47
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48 static void do_accept(uv_timer_t* timer_handle) {
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49 uv_tcp_t* server;
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50 uv_tcp_t* accepted_handle = (uv_tcp_t*)malloc(sizeof *accepted_handle);
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51 int r;
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52
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53 ASSERT_NOT_NULL(timer_handle);
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54 ASSERT_NOT_NULL(accepted_handle);
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55
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56 r = uv_tcp_init(uv_default_loop(), accepted_handle);
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57 ASSERT_OK(r);
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58
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59 server = (uv_tcp_t*)timer_handle->data;
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60 r = uv_accept((uv_stream_t*)server, (uv_stream_t*)accepted_handle);
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61 ASSERT_OK(r);
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62
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63 do_accept_called++;
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64
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65 /* Immediately close the accepted handle. */
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66 uv_close((uv_handle_t*)accepted_handle, close_cb);
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67
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68 /* After accepting the two clients close the server handle */
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69 if (do_accept_called == 2) {
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70 uv_close((uv_handle_t*)server, close_cb);
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71 }
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72
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73 /* Dispose the timer. */
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74 uv_close((uv_handle_t*)timer_handle, close_cb);
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75 }
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76
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77
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78 static void connection_cb(uv_stream_t* tcp, int status) {
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79 int r;
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80 uv_timer_t* timer_handle;
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81
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82 ASSERT_OK(status);
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83
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84 timer_handle = (uv_timer_t*)malloc(sizeof *timer_handle);
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85 ASSERT_NOT_NULL(timer_handle);
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86
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87 /* Accept the client after 1 second */
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88 r = uv_timer_init(uv_default_loop(), timer_handle);
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89 ASSERT_OK(r);
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90
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91 timer_handle->data = tcp;
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92
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93 r = uv_timer_start(timer_handle, do_accept, 1000, 0);
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94 ASSERT_OK(r);
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95
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96 connection_cb_called++;
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97 }
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98
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99
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100 static void start_server(void) {
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101 struct sockaddr_in addr;
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102 uv_tcp_t* server = (uv_tcp_t*)malloc(sizeof *server);
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103 int r;
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104
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105 ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
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106 ASSERT_NOT_NULL(server);
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107
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108 r = uv_tcp_init(uv_default_loop(), server);
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109 ASSERT_OK(r);
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110 r = uv_tcp_bind(server, (const struct sockaddr*) &addr, 0);
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111 ASSERT_OK(r);
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112
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113 r = uv_listen((uv_stream_t*)server, 128, connection_cb);
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114 ASSERT_OK(r);
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115 }
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116
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117
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118 static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
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119 /* The server will not send anything, it should close gracefully. */
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120
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121 if (buf->base) {
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122 free(buf->base);
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123 }
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124
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125 if (nread >= 0) {
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126 ASSERT_OK(nread);
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127 } else {
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128 ASSERT_NOT_NULL(tcp);
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129 ASSERT_EQ(nread, UV_EOF);
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130 uv_close((uv_handle_t*)tcp, close_cb);
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131 }
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132 }
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133
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134
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135 static void connect_cb(uv_connect_t* req, int status) {
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136 int r;
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137
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138 ASSERT_NOT_NULL(req);
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139 ASSERT_OK(status);
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140
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141 /* Not that the server will send anything, but otherwise we'll never know
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142 * when the server closes the connection. */
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143 r = uv_read_start((uv_stream_t*)(req->handle), alloc_cb, read_cb);
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144 ASSERT_OK(r);
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145
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146 connect_cb_called++;
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147
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148 free(req);
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149 }
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150
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151
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152 static void client_connect(void) {
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153 struct sockaddr_in addr;
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154 uv_tcp_t* client = (uv_tcp_t*)malloc(sizeof *client);
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155 uv_connect_t* connect_req = malloc(sizeof *connect_req);
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156 int r;
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157
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158 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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159 ASSERT_NOT_NULL(client);
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160 ASSERT_NOT_NULL(connect_req);
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161
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162 r = uv_tcp_init(uv_default_loop(), client);
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163 ASSERT_OK(r);
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164
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165 r = uv_tcp_connect(connect_req,
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166 client,
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167 (const struct sockaddr*) &addr,
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168 connect_cb);
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169 ASSERT_OK(r);
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170 }
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171
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172
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173
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174 TEST_IMPL(delayed_accept) {
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175 start_server();
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176
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177 client_connect();
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178 client_connect();
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179
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180 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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181
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182 ASSERT_EQ(2, connection_cb_called);
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183 ASSERT_EQ(2, do_accept_called);
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184 ASSERT_EQ(2, connect_cb_called);
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185 ASSERT_EQ(7, close_cb_called);
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186
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187 MAKE_VALGRIND_HAPPY(uv_default_loop());
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188 return 0;
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189 }
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