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 static int connection_cb_called = 0; 28 static int do_accept_called = 0; 29 static int close_cb_called = 0; 30 static int connect_cb_called = 0; 31 32 33 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) { 34 buf->base = malloc(size); 35 buf->len = size; 36 } 37 38 39 static void close_cb(uv_handle_t* handle) { 40 ASSERT(handle != NULL); 41 42 free(handle); 43 44 close_cb_called++; 45 } 46 47 48 static void do_accept(uv_timer_t* timer_handle) { 49 uv_tcp_t* server; 50 uv_tcp_t* accepted_handle = (uv_tcp_t*)malloc(sizeof *accepted_handle); 51 int r; 52 53 ASSERT(timer_handle != NULL); 54 ASSERT(accepted_handle != NULL); 55 56 r = uv_tcp_init(uv_default_loop(), accepted_handle); 57 ASSERT(r == 0); 58 59 server = (uv_tcp_t*)timer_handle->data; 60 r = uv_accept((uv_stream_t*)server, (uv_stream_t*)accepted_handle); 61 ASSERT(r == 0); 62 63 do_accept_called++; 64 65 /* Immediately close the accepted handle. */ 66 uv_close((uv_handle_t*)accepted_handle, close_cb); 67 68 /* After accepting the two clients close the server handle */ 69 if (do_accept_called == 2) { 70 uv_close((uv_handle_t*)server, close_cb); 71 } 72 73 /* Dispose the timer. */ 74 uv_close((uv_handle_t*)timer_handle, close_cb); 75 } 76 77 78 static void connection_cb(uv_stream_t* tcp, int status) { 79 int r; 80 uv_timer_t* timer_handle; 81 82 ASSERT(status == 0); 83 84 timer_handle = (uv_timer_t*)malloc(sizeof *timer_handle); 85 ASSERT(timer_handle != NULL); 86 87 /* Accept the client after 1 second */ 88 r = uv_timer_init(uv_default_loop(), timer_handle); 89 ASSERT(r == 0); 90 91 timer_handle->data = tcp; 92 93 r = uv_timer_start(timer_handle, do_accept, 1000, 0); 94 ASSERT(r == 0); 95 96 connection_cb_called++; 97 } 98 99 100 static void start_server(void) { 101 struct sockaddr_in addr; 102 uv_tcp_t* server = (uv_tcp_t*)malloc(sizeof *server); 103 int r; 104 105 ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr)); 106 ASSERT(server != NULL); 107 108 r = uv_tcp_init(uv_default_loop(), server); 109 ASSERT(r == 0); 110 r = uv_tcp_bind(server, (const struct sockaddr*) &addr, 0); 111 ASSERT(r == 0); 112 113 r = uv_listen((uv_stream_t*)server, 128, connection_cb); 114 ASSERT(r == 0); 115 } 116 117 118 static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) { 119 /* The server will not send anything, it should close gracefully. */ 120 121 if (buf->base) { 122 free(buf->base); 123 } 124 125 if (nread >= 0) { 126 ASSERT(nread == 0); 127 } else { 128 ASSERT(tcp != NULL); 129 ASSERT(nread == UV_EOF); 130 uv_close((uv_handle_t*)tcp, close_cb); 131 } 132 } 133 134 135 static void connect_cb(uv_connect_t* req, int status) { 136 int r; 137 138 ASSERT(req != NULL); 139 ASSERT(status == 0); 140 141 /* Not that the server will send anything, but otherwise we'll never know 142 * when the server closes the connection. */ 143 r = uv_read_start((uv_stream_t*)(req->handle), alloc_cb, read_cb); 144 ASSERT(r == 0); 145 146 connect_cb_called++; 147 148 free(req); 149 } 150 151 152 static void client_connect(void) { 153 struct sockaddr_in addr; 154 uv_tcp_t* client = (uv_tcp_t*)malloc(sizeof *client); 155 uv_connect_t* connect_req = malloc(sizeof *connect_req); 156 int r; 157 158 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 159 ASSERT(client != NULL); 160 ASSERT(connect_req != NULL); 161 162 r = uv_tcp_init(uv_default_loop(), client); 163 ASSERT(r == 0); 164 165 r = uv_tcp_connect(connect_req, 166 client, 167 (const struct sockaddr*) &addr, 168 connect_cb); 169 ASSERT(r == 0); 170 } 171 172 173 174 TEST_IMPL(delayed_accept) { 175 start_server(); 176 177 client_connect(); 178 client_connect(); 179 180 uv_run(uv_default_loop(), UV_RUN_DEFAULT); 181 182 ASSERT(connection_cb_called == 2); 183 ASSERT(do_accept_called == 2); 184 ASSERT(connect_cb_called == 2); 185 ASSERT(close_cb_called == 7); 186 187 MAKE_VALGRIND_HAPPY(); 188 return 0; 189 } 190