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 static uv_check_t check_handle; 26 static uv_timer_t timer_handle; 27 static uv_tcp_t server_handle; 28 static uv_tcp_t client_handle; 29 static uv_tcp_t peer_handle; 30 static uv_write_t write_req; 31 static uv_connect_t connect_req; 32 33 static unsigned long ticks; /* event loop ticks */ 34 35 36 static void check_cb(uv_check_t* handle) { 37 ticks++; 38 } 39 40 41 static void timer_cb(uv_timer_t* handle) { 42 uv_close((uv_handle_t*) &check_handle, NULL); 43 uv_close((uv_handle_t*) &timer_handle, NULL); 44 uv_close((uv_handle_t*) &server_handle, NULL); 45 uv_close((uv_handle_t*) &client_handle, NULL); 46 uv_close((uv_handle_t*) &peer_handle, NULL); 47 } 48 49 50 static void alloc_cb(uv_handle_t* handle, 51 size_t suggested_size, 52 uv_buf_t* buf) { 53 ASSERT(0 && "alloc_cb should not have been called"); 54 } 55 56 57 static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) { 58 ASSERT(0 && "read_cb should not have been called"); 59 } 60 61 62 static void connect_cb(uv_connect_t* req, int status) { 63 ASSERT(req->handle == (uv_stream_t*) &client_handle); 64 ASSERT(0 == status); 65 } 66 67 68 static void write_cb(uv_write_t* req, int status) { 69 ASSERT(req->handle == (uv_stream_t*) &peer_handle); 70 ASSERT(0 == status); 71 } 72 73 74 static void connection_cb(uv_stream_t* handle, int status) { 75 uv_buf_t buf; 76 77 buf = uv_buf_init("PING", 4); 78 79 ASSERT(0 == status); 80 ASSERT(0 == uv_accept(handle, (uv_stream_t*) &peer_handle)); 81 ASSERT(0 == uv_read_start((uv_stream_t*) &peer_handle, alloc_cb, read_cb)); 82 ASSERT(0 == uv_write(&write_req, (uv_stream_t*) &peer_handle, 83 &buf, 1, write_cb)); 84 } 85 86 87 TEST_IMPL(tcp_unexpected_read) { 88 struct sockaddr_in addr; 89 uv_loop_t* loop; 90 91 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 92 loop = uv_default_loop(); 93 94 ASSERT(0 == uv_timer_init(loop, &timer_handle)); 95 ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 1000, 0)); 96 ASSERT(0 == uv_check_init(loop, &check_handle)); 97 ASSERT(0 == uv_check_start(&check_handle, check_cb)); 98 ASSERT(0 == uv_tcp_init(loop, &server_handle)); 99 ASSERT(0 == uv_tcp_init(loop, &client_handle)); 100 ASSERT(0 == uv_tcp_init(loop, &peer_handle)); 101 ASSERT(0 == uv_tcp_bind(&server_handle, (const struct sockaddr*) &addr, 0)); 102 ASSERT(0 == uv_listen((uv_stream_t*) &server_handle, 1, connection_cb)); 103 ASSERT(0 == uv_tcp_connect(&connect_req, 104 &client_handle, 105 (const struct sockaddr*) &addr, 106 connect_cb)); 107 ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT)); 108 109 /* This is somewhat inexact but the idea is that the event loop should not 110 * start busy looping when the server sends a message and the client isn't 111 * reading. 112 */ 113 ASSERT(ticks <= 20); 114 115 MAKE_VALGRIND_HAPPY(); 116 return 0; 117 } 118