empserver/src/lib/common/wantupd.c

111 lines
2.6 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* wantupd.c: Check to se if an update is wanted and/or allowed.
*
* Known contributors to this file:
* Doug Hay, 1990
*/
#include <config.h>
#include <time.h>
#include "file.h"
#include "game.h"
#include "misc.h"
#include "nat.h"
#include "optlist.h"
#include "prototypes.h"
static int
demand_update_time(time_t *now)
{
struct tm *tm;
tm = localtime(now);
return is_daytime_allowed(60 * tm->tm_hour + tm->tm_min,
update_demandtimes);
}
int
demand_update_want(int *want, int *pop, int which)
{
natid cn;
struct natstr *natp;
int totpop;
int totwant;
int whichwants;
whichwants = totpop = totwant = 0;
for (cn = 1; 0 != (natp = getnatp(cn)); cn++) {
/* Only countries which are normal. */
/* Should probably include sanctuaries ..... */
if (natp->nat_stat == STAT_ACTIVE) {
totpop++;
if (natp->nat_update) {
totwant++;
if (which == cn)
whichwants++;
}
}
}
*want = totwant;
*pop = totpop;
return whichwants;
}
/*
* Do we have sufficient votes for a demand update?
*/
int
demand_check(void)
{
int want, pop;
demand_update_want(&want, &pop, 0);
if (want < update_wantmin) {
logerror("no demand update, want = %d, min = %d",
want, update_wantmin);
return 0;
}
return 1;
}
/*
* Can we have an unscheduled demand update now?
*/
int
demandupdatecheck(void)
{
time_t now = time(NULL);
return update_demand == UPD_DEMAND_ASYNC
&& !updates_disabled()
&& demand_update_time(&now)
&& demand_check();
}