/*
* 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) 1986-2020, 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.
*
* ---
*
* shutdown.c: Shuts down server. Runs at low priority.
- *
+ *
* Known contributors to this file:
* Ken Stevens, 1995
+ * Markus Armbruster, 2007-2013
*/
-#include "misc.h"
-#include "player.h"
-#include "empio.h"
-#include "empthread.h"
-#include "proto.h"
-#include "nat.h"
-#include "file.h"
+#include <config.h>
+
#include <time.h>
+#include "empthread.h"
#include "prototypes.h"
+#include "server.h"
int shutdown_pending;
+static empth_t *shutdown_thread;
-void
-shutdown_init(void)
-{
- shutdown_pending = 0;
-}
+static void shutdown_sequence(void *unused);
-void
-shutdown_sequence(argc, argv)
- int argc;
- s_char **argv;
+/*
+ * Initiate shutdown in @mins_from_now minutes.
+ * If @mins_from_now is negative, cancel any pending shutdown instead.
+ * Return -1 on error, zero when no shutdown was pending, positive
+ * number when a pending shutdown was modified.
+ */
+int
+shutdown_initiate(int mins_from_now)
{
- struct natstr *god;
- struct tm *tm;
- time_t now;
- s_char header[100];
+ int old_pending = shutdown_pending;
- if (shutdown_pending <= 0) {
- shutdown_pending = 0;
- logerror("shutdown called with 0 shutdown_pending");
- empth_exit();
- return;
+ if (mins_from_now < 0) {
+ if (shutdown_pending) {
+ shutdown_pending = 0;
+ pr_wall("The server shutdown has been cancelled!\n");
}
- god = getnatp(0);
- while (shutdown_pending > 0) {
- --shutdown_pending;
- time(&now);
- if (shutdown_pending <= 1440) { /* one day */
- tm = localtime(&now);
- sprintf(header, "BROADCAST from %s @ %02d:%02d: ",
- god->nat_cnam, tm->tm_hour, tm->tm_min);
- if (!shutdown_pending) {
- pr_wall("%sServer shutting down NOW!\n", header);
- shutdwn(0);
- } else if (shutdown_pending == 1) {
- pr_wall("%sServer shutting down in 1 minute!\n", header);
- } else if (shutdown_pending <= 5) {
- pr_wall("%sServer shutting down in %d minutes!\n", header, shutdown_pending);
- } else if (shutdown_pending <= 60 &&
- shutdown_pending%10 == 0) {
- pr_wall("%sThe server will be shutting down in %d minutes!\n", header, shutdown_pending);
- } else if (shutdown_pending%60 == 0) {
- pr_wall("%sThe server will be shutting down %d hours from now.\n", header, (int)(shutdown_pending/60));
- }
- }
- empth_sleep(now + 60);
+ return old_pending;
+ }
+
+ shutdown_pending = mins_from_now + 1;
+
+ if (shutdown_thread) {
+ if (old_pending)
+ pr_wall("The shutdown time has been changed to %d minutes!\n",
+ mins_from_now);
+ empth_wakeup(shutdown_thread);
+ } else {
+ shutdown_thread = empth_create(shutdown_sequence, 65536, 0,
+ "shutdownSeq", NULL);
+ if (!shutdown_thread) {
+ shutdown_pending = 0;
+ return -1;
}
- empth_exit();
+ }
+
+ return old_pending;
}
+static void
+shutdown_sequence(void *unused)
+{
+ time_t now;
+ pr_wall("The server will shut down in %d minutes!\n",
+ shutdown_pending - 1);
+ while (shutdown_pending > 0) {
+ --shutdown_pending;
+ time(&now);
+ if (shutdown_pending <= 1440) { /* one day */
+ if (shutdown_pending == 0) {
+ shutdwn(0);
+ } else if (shutdown_pending == 1) {
+ pr_wall("Server shutting down in 1 minute!\n");
+ } else if (shutdown_pending <= 5) {
+ pr_wall("Server shutting down in %d minutes!\n",
+ shutdown_pending);
+ } else if (shutdown_pending <= 60
+ && shutdown_pending % 10 == 0) {
+ pr_wall("The server will be shutting down in %d minutes!\n",
+ shutdown_pending);
+ } else if (shutdown_pending % 60 == 0) {
+ pr_wall("The server will be shutting down %d hours from now.\n",
+ shutdown_pending / 60);
+ }
+ }
+ /* FIXME error due to late wakeup accumulates */
+ empth_sleep(now + 60);
+ }
+
+ shutdown_thread = NULL;
+}
projects / empserver / blobdiff