File: bench.c

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/* Copyright Fedor Indutny. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
#include "http_parser.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>

static const char data[] =
    "POST /joyent/http-parser HTTP/1.1\r\n"
    "Host: github.com\r\n"
    "DNT: 1\r\n"
    "Accept-Encoding: gzip, deflate, sdch\r\n"
    "Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4\r\n"
    "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) "
        "AppleWebKit/537.36 (KHTML, like Gecko) "
        "Chrome/39.0.2171.65 Safari/537.36\r\n"
    "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,"
        "image/webp,*/*;q=0.8\r\n"
    "Referer: https://github.com/joyent/http-parser\r\n"
    "Connection: keep-alive\r\n"
    "Transfer-Encoding: chunked\r\n"
    "Cache-Control: max-age=0\r\n\r\nb\r\nhello world\r\n0\r\n\r\n";
static const size_t data_len = sizeof(data) - 1;

static int on_info(http_parser* p) {
  return 0;
}


static int on_data(http_parser* p, const char *at, size_t length) {
  return 0;
}

static http_parser_settings settings = {
  .on_message_begin = on_info,
  .on_headers_complete = on_info,
  .on_message_complete = on_info,
  .on_header_field = on_data,
  .on_header_value = on_data,
  .on_url = on_data,
  .on_status = on_data,
  .on_body = on_data
};

int bench(int iter_count, int silent) {
  struct http_parser parser;
  int i;
  int err;
  struct timeval start;
  struct timeval end;
  float rps;

  if (!silent) {
    err = gettimeofday(&start, NULL);
    assert(err == 0);
  }

  for (i = 0; i < iter_count; i++) {
    size_t parsed;
    http_parser_init(&parser, HTTP_REQUEST);

    parsed = http_parser_execute(&parser, &settings, data, data_len);
    assert(parsed == data_len);
  }

  if (!silent) {
    err = gettimeofday(&end, NULL);
    assert(err == 0);

    fprintf(stdout, "Benchmark result:\n");

    rps = (float) (end.tv_sec - start.tv_sec) +
          (end.tv_usec - start.tv_usec) * 1e-6f;
    fprintf(stdout, "Took %f seconds to run\n", rps);

    rps = (float) iter_count / rps;
    fprintf(stdout, "%f req/sec\n", rps);
    fflush(stdout);
  }

  return 0;
}

int main(int argc, char** argv) {
  if (argc == 2 && strcmp(argv[1], "infinite") == 0) {
    for (;;)
      bench(5000000, 1);
    return 0;
  } else {
    return bench(5000000, 0);
  }
}