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 <stdio.h> 26 #include <stdlib.h> 27 28 #define WRITE_REQ_DATA "Hello, world." 29 #define NUM_WRITE_REQS (1000 * 1000) 30 31 typedef struct { 32 uv_write_t req; 33 uv_buf_t buf; 34 } write_req; 35 36 37 static write_req* write_reqs; 38 static uv_tcp_t tcp_client; 39 static uv_connect_t connect_req; 40 static uv_shutdown_t shutdown_req; 41 42 static int shutdown_cb_called = 0; 43 static int connect_cb_called = 0; 44 static int write_cb_called = 0; 45 static int close_cb_called = 0; 46 47 static void connect_cb(uv_connect_t* req, int status); 48 static void write_cb(uv_write_t* req, int status); 49 static void shutdown_cb(uv_shutdown_t* req, int status); 50 static void close_cb(uv_handle_t* handle); 51 52 53 static void connect_cb(uv_connect_t* req, int status) { 54 write_req* w; 55 int i; 56 int r; 57 58 ASSERT(req->handle == (uv_stream_t*)&tcp_client); 59 60 for (i = 0; i < NUM_WRITE_REQS; i++) { 61 w = &write_reqs[i]; 62 r = uv_write(&w->req, req->handle, &w->buf, 1, write_cb); 63 ASSERT(r == 0); 64 } 65 66 r = uv_shutdown(&shutdown_req, req->handle, shutdown_cb); 67 ASSERT(r == 0); 68 69 connect_cb_called++; 70 } 71 72 73 static void write_cb(uv_write_t* req, int status) { 74 ASSERT(req != NULL); 75 ASSERT(status == 0); 76 write_cb_called++; 77 } 78 79 80 static void shutdown_cb(uv_shutdown_t* req, int status) { 81 ASSERT(req->handle == (uv_stream_t*)&tcp_client); 82 ASSERT(req->handle->write_queue_size == 0); 83 84 uv_close((uv_handle_t*)req->handle, close_cb); 85 free(write_reqs); 86 87 shutdown_cb_called++; 88 } 89 90 91 static void close_cb(uv_handle_t* handle) { 92 ASSERT(handle == (uv_handle_t*)&tcp_client); 93 close_cb_called++; 94 } 95 96 97 BENCHMARK_IMPL(tcp_write_batch) { 98 struct sockaddr_in addr; 99 uv_loop_t* loop; 100 uint64_t start; 101 uint64_t stop; 102 int i; 103 int r; 104 105 write_reqs = malloc(sizeof(*write_reqs) * NUM_WRITE_REQS); 106 ASSERT(write_reqs != NULL); 107 108 /* Prepare the data to write out. */ 109 for (i = 0; i < NUM_WRITE_REQS; i++) { 110 write_reqs[i].buf = uv_buf_init(WRITE_REQ_DATA, 111 sizeof(WRITE_REQ_DATA) - 1); 112 } 113 114 loop = uv_default_loop(); 115 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 116 117 r = uv_tcp_init(loop, &tcp_client); 118 ASSERT(r == 0); 119 120 r = uv_tcp_connect(&connect_req, 121 &tcp_client, 122 (const struct sockaddr*) &addr, 123 connect_cb); 124 ASSERT(r == 0); 125 126 start = uv_hrtime(); 127 128 r = uv_run(loop, UV_RUN_DEFAULT); 129 ASSERT(r == 0); 130 131 stop = uv_hrtime(); 132 133 ASSERT(connect_cb_called == 1); 134 ASSERT(write_cb_called == NUM_WRITE_REQS); 135 ASSERT(shutdown_cb_called == 1); 136 ASSERT(close_cb_called == 1); 137 138 printf("%ld write requests in %.2fs.\n", 139 (long)NUM_WRITE_REQS, 140 (stop - start) / 1e9); 141 142 MAKE_VALGRIND_HAPPY(); 143 return 0; 144 } 145