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 25 #include <errno.h> 26 #include <string.h> /* memset */ 27 28 #define NUM_WRITE_REQS 32 29 30 static uv_tcp_t tcp_handle; 31 static uv_connect_t connect_req; 32 33 static int write_cb_called; 34 static int close_cb_called; 35 36 static void connect_cb(uv_connect_t* req, int status); 37 static void write_cb(uv_write_t* req, int status); 38 static void close_cb(uv_handle_t* handle); 39 40 41 static void connect_cb(uv_connect_t* conn_req, int status) { 42 uv_write_t* req; 43 uv_buf_t buf; 44 int i, r; 45 46 buf = uv_buf_init("PING", 4); 47 for (i = 0; i < NUM_WRITE_REQS; i++) { 48 req = malloc(sizeof *req); 49 ASSERT_NOT_NULL(req); 50 51 r = uv_write(req, (uv_stream_t*)&tcp_handle, &buf, 1, write_cb); 52 ASSERT(r == 0); 53 } 54 55 uv_close((uv_handle_t*)&tcp_handle, close_cb); 56 } 57 58 59 static void write_cb(uv_write_t* req, int status) { 60 /* write callbacks should run before the close callback */ 61 ASSERT(close_cb_called == 0); 62 ASSERT(req->handle == (uv_stream_t*)&tcp_handle); 63 write_cb_called++; 64 free(req); 65 } 66 67 68 static void close_cb(uv_handle_t* handle) { 69 ASSERT(handle == (uv_handle_t*)&tcp_handle); 70 close_cb_called++; 71 } 72 73 74 static void connection_cb(uv_stream_t* server, int status) { 75 ASSERT(status == 0); 76 } 77 78 79 static void start_server(uv_loop_t* loop, uv_tcp_t* handle) { 80 struct sockaddr_in addr; 81 int r; 82 83 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 84 85 r = uv_tcp_init(loop, handle); 86 ASSERT(r == 0); 87 88 r = uv_tcp_bind(handle, (const struct sockaddr*) &addr, 0); 89 ASSERT(r == 0); 90 91 r = uv_listen((uv_stream_t*)handle, 128, connection_cb); 92 ASSERT(r == 0); 93 94 uv_unref((uv_handle_t*)handle); 95 } 96 97 98 /* Check that pending write requests have their callbacks 99 * invoked when the handle is closed. 100 */ 101 TEST_IMPL(tcp_close) { 102 struct sockaddr_in addr; 103 uv_tcp_t tcp_server; 104 uv_loop_t* loop; 105 int r; 106 107 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 108 109 loop = uv_default_loop(); 110 111 /* We can't use the echo server, it doesn't handle ECONNRESET. */ 112 start_server(loop, &tcp_server); 113 114 r = uv_tcp_init(loop, &tcp_handle); 115 ASSERT(r == 0); 116 117 r = uv_tcp_connect(&connect_req, 118 &tcp_handle, 119 (const struct sockaddr*) &addr, 120 connect_cb); 121 ASSERT(r == 0); 122 123 ASSERT(write_cb_called == 0); 124 ASSERT(close_cb_called == 0); 125 126 r = uv_run(loop, UV_RUN_DEFAULT); 127 ASSERT(r == 0); 128 129 printf("%d of %d write reqs seen\n", write_cb_called, NUM_WRITE_REQS); 130 131 ASSERT(write_cb_called == NUM_WRITE_REQS); 132 ASSERT(close_cb_called == 1); 133 134 MAKE_VALGRIND_HAPPY(); 135 return 0; 136 } 137