/* Copyright Joyent, Inc. and other Node contributors. 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 "uv.h"

#include "task.h"

#include <stdlib.h>

#define CONCURRENT_CALLS 10

#define TOTAL_CALLS 10000

static const char* name = "localhost";

static uv_loop_t* loop;

static uv_getaddrinfo_t handles[CONCURRENT_CALLS];

static int calls_initiated = 0;

static int calls_completed = 0;

static int64_t start_time;

static int64_t end_time;

static void getaddrinfo_initiate(uv_getaddrinfo_t* handle);

static void getaddrinfo_cb(uv_getaddrinfo_t* handle, int status,

    struct addrinfo* res) {

  ASSERT(status == 0);

  calls_completed++;

  if (calls_initiated < TOTAL_CALLS) {

    getaddrinfo_initiate(handle);

  }

  uv_freeaddrinfo(res);

}

static void getaddrinfo_initiate(uv_getaddrinfo_t* handle) {

  int r;

  calls_initiated++;

  r = uv_getaddrinfo(loop, handle, &getaddrinfo_cb, name, NULL, NULL);

  ASSERT(r == 0);

}

BENCHMARK_IMPL(getaddrinfo) {

  int i;

  loop = uv_default_loop();

  uv_update_time(loop);

  start_time = uv_now(loop);

  for (i = 0; i < CONCURRENT_CALLS; i++) {

    getaddrinfo_initiate(&handles[i]);

  }

  uv_run(loop, UV_RUN_DEFAULT);

  uv_update_time(loop);

  end_time = uv_now(loop);

  ASSERT(calls_initiated == TOTAL_CALLS);

  ASSERT(calls_completed == TOTAL_CALLS);

  fprintf(stderr, "getaddrinfo: %.0f req/s\n",

          (double) calls_completed / (double) (end_time - start_time) * 1000.0);

  fflush(stderr);

  MAKE_VALGRIND_HAPPY();

  return 0;

}