1 /* Copyright libuv project and 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 <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 26 #include "uv.h" 27 #include "task.h" 28 29 static uv_tcp_t server; 30 static uv_tcp_t client; 31 static uv_tcp_t incoming; 32 static int connect_cb_called; 33 static int close_cb_called; 34 static int connection_cb_called; 35 static uv_write_t write_req; 36 37 static char hello[] = "HELLO!"; 38 39 40 static void close_cb(uv_handle_t* handle) { 41 close_cb_called++; 42 } 43 44 static void write_cb(uv_write_t* req, int status) { 45 ASSERT(status == 0); 46 } 47 48 static void conn_alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) { 49 /* Do nothing, read_cb should be called with UV_ENOBUFS. */ 50 } 51 52 static void conn_read_cb(uv_stream_t* stream, 53 ssize_t nread, 54 const uv_buf_t* buf) { 55 ASSERT(nread == UV_ENOBUFS); 56 ASSERT_NULL(buf->base); 57 ASSERT(buf->len == 0); 58 59 uv_close((uv_handle_t*) &incoming, close_cb); 60 uv_close((uv_handle_t*) &client, close_cb); 61 uv_close((uv_handle_t*) &server, close_cb); 62 } 63 64 static void connect_cb(uv_connect_t* req, int status) { 65 int r; 66 uv_buf_t buf; 67 68 ASSERT(status == 0); 69 connect_cb_called++; 70 71 buf = uv_buf_init(hello, sizeof(hello)); 72 r = uv_write(&write_req, req->handle, &buf, 1, write_cb); 73 ASSERT(r == 0); 74 } 75 76 77 static void connection_cb(uv_stream_t* tcp, int status) { 78 ASSERT(status == 0); 79 80 ASSERT(0 == uv_tcp_init(tcp->loop, &incoming)); 81 ASSERT(0 == uv_accept(tcp, (uv_stream_t*) &incoming)); 82 ASSERT(0 == uv_read_start((uv_stream_t*) &incoming, 83 conn_alloc_cb, 84 conn_read_cb)); 85 86 connection_cb_called++; 87 } 88 89 90 static void start_server(void) { 91 struct sockaddr_in addr; 92 93 ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr)); 94 95 ASSERT(0 == uv_tcp_init(uv_default_loop(), &server)); 96 ASSERT(0 == uv_tcp_bind(&server, (struct sockaddr*) &addr, 0)); 97 ASSERT(0 == uv_listen((uv_stream_t*) &server, 128, connection_cb)); 98 } 99 100 101 TEST_IMPL(tcp_alloc_cb_fail) { 102 uv_connect_t connect_req; 103 struct sockaddr_in addr; 104 105 start_server(); 106 107 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 108 109 ASSERT(0 == uv_tcp_init(uv_default_loop(), &client)); 110 ASSERT(0 == uv_tcp_connect(&connect_req, 111 &client, 112 (struct sockaddr*) &addr, 113 connect_cb)); 114 115 ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT)); 116 117 ASSERT(connect_cb_called == 1); 118 ASSERT(connection_cb_called == 1); 119 ASSERT(close_cb_called == 3); 120 121 MAKE_VALGRIND_HAPPY(); 122 return 0; 123 } 124