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      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_NOT_NULL(req);
     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_NOT_NULL(write_reqs);
    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