/*
 *  in_time.c - Part of AFD, an automatic file distribution program.
 *  Copyright (c) 2000 - 2022 Holger Kiehl <Holger.Kiehl@dwd.de>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "afddefs.h"

DESCR__S_M3
/*
 ** NAME
 **   in_time - function that checks if the given time falls into
 *              the given crontab like entry
 **
 ** SYNOPSIS
 **   int in_time(time_t               current_time,
 **               unsigned int         no_of_time_entries,
 **               struct bd_time_entry *te);
 **
 ** DESCRIPTION
 **
 ** RETURN VALUES
 **   The function will return YES when current_time falls into
 **   the specified time range. Otherwise NO will be returned.
 **
 ** AUTHOR
 **   H.Kiehl
 **
 ** HISTORY
 **   07.09.2000 H.Kiehl Created
 **   12.05.2001 H.Kiehl Failed to see sunday. Fixed.
 **   13.11.2006 H.Kiehl Check more then one time entry.
 **
 */
DESCR__E_M3

#include <string.h>
#include <time.h>
#include <sys/time.h>   /* struct tm */
#include <errno.h>
#include "amgdefs.h"
#include "bit_array.h"


/*############################# in_time() ###############################*/
int
in_time(time_t               current_time,
        unsigned int         no_of_time_entries,
        struct bd_time_entry *te)
{
   struct tm *bd_time;     /* Broken-down time. */

   if ((bd_time = localtime(&current_time)) == NULL)
   {
      system_log(WARN_SIGN, __FILE__, __LINE__,
                 "localtime() error : %s", strerror(errno));
   }
   else
   {
      int i,
          wday;

      for (i = 0; i < no_of_time_entries; i++)
      {
         if (te[i].month & bit_array[bd_time->tm_mon])
         {
            if (te[i].day_of_month & bit_array[bd_time->tm_mday - 1])
            {
               /*
                * In struct tm tm_wday is 0 for Sunday. But we use 7
                * for Sunday.
                */
               wday = bd_time->tm_wday;
               if (wday == 0)
               {
                  wday = 7;
               }
               if (te[i].day_of_week & bit_array[wday - 1])
               {
                  if (te[i].hour & bit_array[bd_time->tm_hour])
                  {
                     /* Evaluate minute (0-59) [0-59]. */
#ifdef HAVE_LONG_LONG
                     if ((te[i].minute & bit_array_long[bd_time->tm_min]) ||
                         (te[i].continuous_minute & bit_array_long[bd_time->tm_min]))
#else
                     if (bittest(te[i].minute, bd_time->tm_min) ||
                         bittest(te[i].continuous_minute, bd_time->tm_min))
#endif
                     {
                        return(YES);
                     }
                  }
               }
            }
         }
      }
   }

   return(NO);
}