/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * 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.
*
* ---
*
* nreport.c: File a news report. Downgrade relations if things get hostile.
- *
+ *
* Known contributors to this file:
* Dave Pare, 1994
* Steve McClure, 1997
+ * Ron Koenderink, 2005
+ * Markus Armbruster, 2004-2011
*/
-#include "misc.h"
-#include "news.h"
-#include "nat.h"
-#include "deity.h"
+#include <config.h>
+
#include "file.h"
-#include "empio.h"
-#include <fcntl.h>
+#include "nat.h"
+#include "news.h"
+#include "optlist.h"
#include "prototypes.h"
+#define SLOTS 5
+
+struct newscache {
+ struct nwsstr news;
+ int id;
+};
+
+static struct newscache cache[MAXNOC][SLOTS];
+static int news_tail;
+
+static struct newscache *
+ncache(int actor, int event, int victim, int times);
+
void
nreport(natid actor, int event, natid victim, int times)
{
int nice;
- int rel;
- struct natstr *np;
+ struct newscache *ncp;
+
+ if (CANT_HAPPEN((unsigned)event > N_MAX_VERB
+ || rpt[event].r_newstory[0] == rpt[0].r_newstory[0]))
+ return;
+ if (CANT_HAPPEN(actor >= MAXNOC || victim >= MAXNOC))
+ return;
+
+ ncp = ncache(actor, event, victim, times);
+ putnews(ncp->id, &ncp->news);
- filereport(actor, event, victim, times);
/*
* this is probably pretty expensive, but hopefully we
* don't fire zillions of these things off every second.
return;
if (!chance((double)-nice * times / 20.0))
return;
- if ((np = getnatp(victim)) == 0)
- return;
- if ((rel = getrel(np, actor)) < HOSTILE)
+ if (relations_with(victim, actor) < HOSTILE)
return;
- rel = HOSTILE;
+ setrel(victim, actor, HOSTILE);
+}
+
/*
- if (rel > HOSTILE)
- rel = HOSTILE;
- else
- rel = AT_WAR;
+ * Delete news articles that have expired.
*/
- setrel(victim, actor, rel);
-}
+void
+delete_old_news(void)
+{
+ time_t expiry_time;
+ int i, j, k;
+ struct nwsstr news;
-struct free {
- struct free *next;
- int id;
-};
+ /* skip over expired news */
+ expiry_time = time(NULL) - days(news_keep_days);
+ for (i = 0; getnews(i, &news); i++) {
+ if (news.nws_vrb == 0 || news.nws_when >= expiry_time)
+ break;
+ }
+ /* news id 0..I-1 have expired */
+ CANT_HAPPEN(i > news_tail);
+ /* no items to delete if I is equal zero */
+ if (i == 0)
+ return;
-struct free *freelist;
+ /* move unexpired news I.. to 0.., overwriting expired news */
+ for (j = 0; getnews(i + j, &news); j++) {
+ if (news.nws_vrb == 0)
+ break;
+ putnews(j, &news);
+ }
+ CANT_HAPPEN(i + j != news_tail);
+ news_tail = j;
-static void
-addfree(int n)
-{
- struct free *fp;
+ /* mark slots no longer in use */
+ for (k = 0; k < i; k++) {
+ ef_blank(EF_NEWS, j + k, &news);
+ putnews(j + k, &news);
+ }
- fp = (struct free *)malloc(sizeof(*fp));
- fp->next = freelist;
- fp->id = n;
- freelist = fp;
+ /* clear cache because moving news invalidated it */
+ memset(&cache, 0, sizeof(cache));
}
/*
- * snoop through the news articles looking
- * for articles which have timed out. Only
- * called when no free items left.
+ * Initialize news reporting.
+ * Must run between open of file EF_NEWS and first nreport().
*/
-static void
-findfree(void)
+void
+init_nreport(void)
{
- register time_t oldnewstime;
- register int n;
+ int newest_item;
struct nwsstr news;
- time_t newstime;
- (void)time(&newstime);
- oldnewstime = newstime - NEWS_PERIOD;
- for (n = 0; getnews(n, &news); n++) {
- if (news.nws_when < oldnewstime)
- addfree(n);
- }
- if (freelist == 0) {
- if (!ef_extend(EF_NEWS, 100))
- return;
- findfree();
+ for (newest_item = 0; getnews(newest_item, &news); newest_item++) {
+ if (news.nws_vrb == 0)
+ break;
}
+ news_tail = newest_item;
}
-static
- int
-nextfree(void)
-{
- struct free *fp;
- int id;
-
- if (freelist == 0)
- findfree();
- if ((fp = freelist) == 0)
- return 0;
- freelist = fp->next;
- id = fp->id;
- free(fp);
- return id;
-}
-
-#define SLOTS 5
-
-struct newscache {
- struct nwsstr news;
- int id;
-};
-
-static
-struct newscache *
-ncache(time_t now, int actor, int event, int victim, int times)
+/*
+ * Look to see if the same message has been generated
+ * in the last 5 minutes, if so just increment the times
+ * field instead of creating a new message.
+ */
+static struct newscache *
+ncache(int actor, int event, int victim, int times)
{
- static struct newscache cache[MAXNOC][SLOTS];
- register struct newscache *np;
+ struct newscache *np;
int i;
int oldslot;
- time_t oldtime;
+ time_t oldtime, dur;
+ time_t now = time(NULL);
oldslot = -1;
oldtime = 0x7fffffff;
oldslot = i;
oldtime = np->news.nws_when;
}
- if (np->id == 0)
+ if (np->news.nws_vrb == 0)
continue;
- if ((now - np->news.nws_when) > minutes(5))
+ dur = now - np->news.nws_when;
+ if (dur > minutes(5))
continue;
if (np->news.nws_vrb == event && np->news.nws_vno == victim &&
np->news.nws_ntm + times <= 127) {
np->news.nws_ntm += times;
+ np->news.nws_duration = dur;
return np;
}
}
- if (oldslot < 0) {
- logerror("internal error; ncache oldslot < 0");
- return &cache[actor][0];
- }
+ if (CANT_HAPPEN(oldslot < 0))
+ oldslot = 0;
+ if (CANT_HAPPEN(!strstr(rpt[event].r_newstory[0], "%s") && victim != 0))
+ victim = 0;
np = &cache[actor][oldslot];
+ ef_blank(EF_NEWS, news_tail, &np->news);
np->news.nws_ano = actor;
- np->news.nws_vno = victim;
- np->news.nws_when = now;
np->news.nws_vrb = event;
+ np->news.nws_vno = victim;
np->news.nws_ntm = times;
- np->id = nextfree();
+ np->news.nws_duration = 0;
+ np->news.nws_when = now;
+ np->id = news_tail++;
return np;
}
-
-void
-filereport(int actor, int event, int victim, int times)
-{
- struct newscache *np;
- time_t now;
-
- time(&now);
- np = ncache(now, actor, event, victim, times);
- ef_write(EF_NEWS, np->id, (s_char *)&np->news);
-}
projects / empserver / blobdiff