/* 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 "task.h"

#include "uv.h"

#include <stdio.h>

#include <stdlib.h>

#define NUM_TICKS (2 * 1000 * 1000)

static unsigned long ticks;

static uv_idle_t idle_handle;

static uv_timer_t timer_handle;

static void idle_cb(uv_idle_t* handle) {

  if (++ticks == NUM_TICKS)

    uv_idle_stop(handle);

}

static void idle2_cb(uv_idle_t* handle) {

  ticks++;

}

static void timer_cb(uv_timer_t* handle) {

  uv_idle_stop(&idle_handle);

  uv_timer_stop(&timer_handle);

}

BENCHMARK_IMPL(loop_count) {

  uv_loop_t* loop = uv_default_loop();

  uint64_t ns;

  uv_idle_init(loop, &idle_handle);

  uv_idle_start(&idle_handle, idle_cb);

  ns = uv_hrtime();

  uv_run(loop, UV_RUN_DEFAULT);

  ns = uv_hrtime() - ns;

  ASSERT(ticks == NUM_TICKS);

  fprintf(stderr, "loop_count: %d ticks in %.2fs (%.0f/s)\n",

          NUM_TICKS,

          ns / 1e9,

          NUM_TICKS / (ns / 1e9));

  fflush(stderr);

  MAKE_VALGRIND_HAPPY();

  return 0;

}

BENCHMARK_IMPL(loop_count_timed) {

  uv_loop_t* loop = uv_default_loop();

  uv_idle_init(loop, &idle_handle);

  uv_idle_start(&idle_handle, idle2_cb);

  uv_timer_init(loop, &timer_handle);

  uv_timer_start(&timer_handle, timer_cb, 5000, 0);

  uv_run(loop, UV_RUN_DEFAULT);

  fprintf(stderr, "loop_count: %lu ticks (%.0f ticks/s)\n", ticks, ticks / 5.0);

  fflush(stderr);

  MAKE_VALGRIND_HAPPY();

  return 0;

}