/* 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"

#define NUM_TIMERS (10 * 1000 * 1000)

static int timer_cb_called;

static int close_cb_called;

static void timer_cb(uv_timer_t* handle) {

  timer_cb_called++;

}

static void close_cb(uv_handle_t* handle) {

  close_cb_called++;

}

BENCHMARK_IMPL(million_timers) {

  uv_timer_t* timers;

  uv_loop_t* loop;

  uint64_t before_all;

  uint64_t before_run;

  uint64_t after_run;

  uint64_t after_all;

  int timeout;

  int i;

  timers = malloc(NUM_TIMERS * sizeof(timers[0]));

  ASSERT(timers != NULL);

  loop = uv_default_loop();

  timeout = 0;

  before_all = uv_hrtime();

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

    if (i % 1000 == 0) timeout++;

    ASSERT(0 == uv_timer_init(loop, timers + i));

    ASSERT(0 == uv_timer_start(timers + i, timer_cb, timeout, 0));

  }

  before_run = uv_hrtime();

  ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));

  after_run = uv_hrtime();

  for (i = 0; i < NUM_TIMERS; i++)

    uv_close((uv_handle_t*) (timers + i), close_cb);

  ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));

  after_all = uv_hrtime();

  ASSERT(timer_cb_called == NUM_TIMERS);

  ASSERT(close_cb_called == NUM_TIMERS);

  free(timers);

  fprintf(stderr, "%.2f seconds total\n", (after_all - before_all) / 1e9);

  fprintf(stderr, "%.2f seconds init\n", (before_run - before_all) / 1e9);

  fprintf(stderr, "%.2f seconds dispatch\n", (after_run - before_run) / 1e9);

  fprintf(stderr, "%.2f seconds cleanup\n", (after_all - after_run) / 1e9);

  fflush(stderr);

  MAKE_VALGRIND_HAPPY();

  return 0;

}