/*
  Copyright(C) 2016 Brazil

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "grn_ctx.h"
#include "grn_request_timer.h"

static grn_request_timer grn_current_request_timer = { 0 };
static double grn_request_timer_default_timeout = 0.0;

bool
grn_request_timer_init(void)
{
  return true;
}

void *
grn_request_timer_register(const char *request_id,
                           unsigned int request_id_size,
                           double timeout)
{
  void *timer_id = NULL;

  if (grn_current_request_timer.register_func) {
    void *user_data = grn_current_request_timer.user_data;
    timer_id = grn_current_request_timer.register_func(request_id,
                                                       request_id_size,
                                                       timeout,
                                                       user_data);
  }

  return timer_id;
}

void
grn_request_timer_unregister(void *timer_id)
{
  if (grn_current_request_timer.unregister_func) {
    void *user_data = grn_current_request_timer.user_data;
    grn_current_request_timer.unregister_func(timer_id, user_data);
  }
}

void
grn_request_timer_set(grn_request_timer *timer)
{
  if (grn_current_request_timer.fin_func) {
    void *user_data = grn_current_request_timer.user_data;
    grn_current_request_timer.fin_func(user_data);
  }
  if (timer) {
    grn_current_request_timer = *timer;
  } else {
    memset(&grn_current_request_timer, 0, sizeof(grn_request_timer));
  }
}

double
grn_get_default_request_timeout(void)
{
  return grn_request_timer_default_timeout;
}

void
grn_set_default_request_timeout(double timeout)
{
  grn_request_timer_default_timeout = timeout;
}

void
grn_request_timer_fin(void)
{
  grn_request_timer_set(NULL);
}
