/* 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"

static int once_cb_called = 0;

static int once_close_cb_called = 0;

static int repeat_cb_called = 0;

static int repeat_close_cb_called = 0;

static int order_cb_called = 0;

static uint64_t start_time;

static uv_timer_t tiny_timer;

static uv_timer_t huge_timer1;

static uv_timer_t huge_timer2;

static void once_close_cb(uv_handle_t* handle) {

  printf("ONCE_CLOSE_CB\n");

  ASSERT(handle != NULL);

  ASSERT(0 == uv_is_active(handle));

  once_close_cb_called++;

}

static void once_cb(uv_timer_t* handle) {

  printf("ONCE_CB %d\n", once_cb_called);

  ASSERT(handle != NULL);

  ASSERT(0 == uv_is_active((uv_handle_t*) handle));

  once_cb_called++;

  uv_close((uv_handle_t*)handle, once_close_cb);

  /* Just call this randomly for the code coverage. */

  uv_update_time(uv_default_loop());

}

static void repeat_close_cb(uv_handle_t* handle) {

  printf("REPEAT_CLOSE_CB\n");

  ASSERT(handle != NULL);

  repeat_close_cb_called++;

}

static void repeat_cb(uv_timer_t* handle) {

  printf("REPEAT_CB\n");

  ASSERT(handle != NULL);

  ASSERT(1 == uv_is_active((uv_handle_t*) handle));

  repeat_cb_called++;

  if (repeat_cb_called == 5) {

    uv_close((uv_handle_t*)handle, repeat_close_cb);

  }

}

static void never_cb(uv_timer_t* handle) {

  FATAL("never_cb should never be called");

}

TEST_IMPL(timer) {

  uv_timer_t once_timers[10];

  uv_timer_t *once;

  uv_timer_t repeat, never;

  unsigned int i;

  int r;

  start_time = uv_now(uv_default_loop());

  ASSERT(0 < start_time);

  /* Let 10 timers time out in 500 ms total. */

  for (i = 0; i < ARRAY_SIZE(once_timers); i++) {

    once = once_timers + i;

    r = uv_timer_init(uv_default_loop(), once);

    ASSERT(r == 0);

    r = uv_timer_start(once, once_cb, i * 50, 0);

    ASSERT(r == 0);

  }

  /* The 11th timer is a repeating timer that runs 4 times */

  r = uv_timer_init(uv_default_loop(), &repeat);

  ASSERT(r == 0);

  r = uv_timer_start(&repeat, repeat_cb, 100, 100);

  ASSERT(r == 0);

  /* The 12th timer should not do anything. */

  r = uv_timer_init(uv_default_loop(), &never);

  ASSERT(r == 0);

  r = uv_timer_start(&never, never_cb, 100, 100);

  ASSERT(r == 0);

  r = uv_timer_stop(&never);

  ASSERT(r == 0);

  uv_unref((uv_handle_t*)&never);

  uv_run(uv_default_loop(), UV_RUN_DEFAULT);

  ASSERT(once_cb_called == 10);

  ASSERT(once_close_cb_called == 10);

  printf("repeat_cb_called %d\n", repeat_cb_called);

  ASSERT(repeat_cb_called == 5);

  ASSERT(repeat_close_cb_called == 1);

  ASSERT(500 <= uv_now(uv_default_loop()) - start_time);

  MAKE_VALGRIND_HAPPY();

  return 0;

}

TEST_IMPL(timer_start_twice) {

  uv_timer_t once;

  int r;

  r = uv_timer_init(uv_default_loop(), &once);

  ASSERT(r == 0);

  r = uv_timer_start(&once, never_cb, 86400 * 1000, 0);

  ASSERT(r == 0);

  r = uv_timer_start(&once, once_cb, 10, 0);

  ASSERT(r == 0);

  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);

  ASSERT(r == 0);

  ASSERT(once_cb_called == 1);

  MAKE_VALGRIND_HAPPY();

  return 0;

}

TEST_IMPL(timer_init) {

  uv_timer_t handle;

  ASSERT(0 == uv_timer_init(uv_default_loop(), &handle));

  ASSERT(0 == uv_timer_get_repeat(&handle));

  ASSERT(0 == uv_is_active((uv_handle_t*) &handle));

  MAKE_VALGRIND_HAPPY();

  return 0;

}

static void order_cb_a(uv_timer_t *handle) {

  ASSERT(order_cb_called++ == *(int*)handle->data);

}

static void order_cb_b(uv_timer_t *handle) {

  ASSERT(order_cb_called++ == *(int*)handle->data);

}

TEST_IMPL(timer_order) {

  int first;

  int second;

  uv_timer_t handle_a;

  uv_timer_t handle_b;

  first = 0;

  second = 1;

  ASSERT(0 == uv_timer_init(uv_default_loop(), &handle_a));

  ASSERT(0 == uv_timer_init(uv_default_loop(), &handle_b));

  /* Test for starting handle_a then handle_b */

  handle_a.data = &first;

  ASSERT(0 == uv_timer_start(&handle_a, order_cb_a, 0, 0));

  handle_b.data = &second;

  ASSERT(0 == uv_timer_start(&handle_b, order_cb_b, 0, 0));

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

  ASSERT(order_cb_called == 2);

  ASSERT(0 == uv_timer_stop(&handle_a));

  ASSERT(0 == uv_timer_stop(&handle_b));

  /* Test for starting handle_b then handle_a */

  order_cb_called = 0;

  handle_b.data = &first;

  ASSERT(0 == uv_timer_start(&handle_b, order_cb_b, 0, 0));

  handle_a.data = &second;

  ASSERT(0 == uv_timer_start(&handle_a, order_cb_a, 0, 0));

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

  ASSERT(order_cb_called == 2);

  MAKE_VALGRIND_HAPPY();

  return 0;

}

static void tiny_timer_cb(uv_timer_t* handle) {

  ASSERT(handle == &tiny_timer);

  uv_close((uv_handle_t*) &tiny_timer, NULL);

  uv_close((uv_handle_t*) &huge_timer1, NULL);

  uv_close((uv_handle_t*) &huge_timer2, NULL);

}

TEST_IMPL(timer_huge_timeout) {

  ASSERT(0 == uv_timer_init(uv_default_loop(), &tiny_timer));

  ASSERT(0 == uv_timer_init(uv_default_loop(), &huge_timer1));

  ASSERT(0 == uv_timer_init(uv_default_loop(), &huge_timer2));

  ASSERT(0 == uv_timer_start(&tiny_timer, tiny_timer_cb, 1, 0));

  ASSERT(0 == uv_timer_start(&huge_timer1, tiny_timer_cb, 0xffffffffffffLL, 0));

  ASSERT(0 == uv_timer_start(&huge_timer2, tiny_timer_cb, (uint64_t) -1, 0));

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

  MAKE_VALGRIND_HAPPY();

  return 0;

}

static void huge_repeat_cb(uv_timer_t* handle) {

  static int ncalls;

  if (ncalls == 0)

    ASSERT(handle == &huge_timer1);

  else

    ASSERT(handle == &tiny_timer);

  if (++ncalls == 10) {

    uv_close((uv_handle_t*) &tiny_timer, NULL);

    uv_close((uv_handle_t*) &huge_timer1, NULL);

  }

}

TEST_IMPL(timer_huge_repeat) {

  ASSERT(0 == uv_timer_init(uv_default_loop(), &tiny_timer));

  ASSERT(0 == uv_timer_init(uv_default_loop(), &huge_timer1));

  ASSERT(0 == uv_timer_start(&tiny_timer, huge_repeat_cb, 2, 2));

  ASSERT(0 == uv_timer_start(&huge_timer1, huge_repeat_cb, 1, (uint64_t) -1));

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

  MAKE_VALGRIND_HAPPY();

  return 0;

}

static unsigned int timer_run_once_timer_cb_called;

static void timer_run_once_timer_cb(uv_timer_t* handle) {

  timer_run_once_timer_cb_called++;

}

TEST_IMPL(timer_run_once) {

  uv_timer_t timer_handle;

  ASSERT(0 == uv_timer_init(uv_default_loop(), &timer_handle));

  ASSERT(0 == uv_timer_start(&timer_handle, timer_run_once_timer_cb, 0, 0));

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE));

  ASSERT(1 == timer_run_once_timer_cb_called);

  ASSERT(0 == uv_timer_start(&timer_handle, timer_run_once_timer_cb, 1, 0));

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE));

  ASSERT(2 == timer_run_once_timer_cb_called);

  uv_close((uv_handle_t*) &timer_handle, NULL);

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE));

  MAKE_VALGRIND_HAPPY();

  return 0;

}

TEST_IMPL(timer_is_closing) {

  uv_timer_t handle;

  ASSERT(0 == uv_timer_init(uv_default_loop(), &handle));

  uv_close((uv_handle_t *)&handle, NULL);

  ASSERT(UV_EINVAL == uv_timer_start(&handle, never_cb, 100, 100));

  MAKE_VALGRIND_HAPPY();

  return 0;

}

TEST_IMPL(timer_null_callback) {

  uv_timer_t handle;

  ASSERT(0 == uv_timer_init(uv_default_loop(), &handle));

  ASSERT(UV_EINVAL == uv_timer_start(&handle, NULL, 100, 100));

  MAKE_VALGRIND_HAPPY();

  return 0;

}

static uint64_t timer_early_check_expected_time;

static void timer_early_check_cb(uv_timer_t* handle) {

  uint64_t hrtime = uv_hrtime() / 1000000;

  ASSERT(hrtime >= timer_early_check_expected_time);

}

TEST_IMPL(timer_early_check) {

  uv_timer_t timer_handle;

  const uint64_t timeout_ms = 10;

  timer_early_check_expected_time = uv_now(uv_default_loop()) + timeout_ms;

  ASSERT(0 == uv_timer_init(uv_default_loop(), &timer_handle));

  ASSERT(0 == uv_timer_start(&timer_handle, timer_early_check_cb, timeout_ms, 0));

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

  uv_close((uv_handle_t*) &timer_handle, NULL);

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

  MAKE_VALGRIND_HAPPY();

  return 0;

}