trunk/src/restart.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  restart.c: Functions to allow the ircd to restart.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "restart.h"
#include "fdlist.h"
#include "ircd.h"
#include "irc_string.h"
#include "send.h"
#include "log.h"
#include "client.h" /* for UMODE_ALL */
#include "memory.h"
#include "conf_db.h"

void
restart(const char *mesg)
{
  static int was_here = 0; /* redundant due to restarting flag below */

  if (was_here++)
    abort();

  server_die(mesg, 1);
}

void
server_die(const char *mesg, int rboot)
{
  char buffer[IRCD_BUFSIZE];
  dlink_node *ptr = NULL;
  struct Client *target_p = NULL;
  static int was_here = 0;

  if (rboot && was_here++)
    abort();

  if (EmptyString(mesg))
    snprintf(buffer, sizeof(buffer), "Server %s",
             rboot ? "Restarting" : "Terminating");
  else
    snprintf(buffer, sizeof(buffer), "Server %s: %s",
             rboot ? "Restarting" : "Terminating", mesg);

  DLINK_FOREACH(ptr, local_client_list.head)
  {
    target_p = ptr->data;

    sendto_one(target_p, ":%s NOTICE %s :%s",
               me.name, target_p->name, buffer);
  }

  DLINK_FOREACH(ptr, serv_list.head)
  {
    target_p = ptr->data;

    sendto_one(target_p, ":%s ERROR :%s", me.name, buffer);
  }

  ilog(LOG_TYPE_IRCD, "%s", buffer);

  save_all_databases(NULL);

  send_queued_all();
  close_fds(NULL);

  unlink(pidFileName);

  if (rboot)
  {
    execv(SPATH, myargv);
    exit(1);
  }
  else
    exit(0);
}
Revision:	1631
Committed:	Thu Nov 1 22:04:01 2012 UTC (12 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	2320 byte(s)
Log Message:	- restart.c: since save_all_databases may generate server traffic and log activity, it makes more sense to save the databases _before_ flushing the sendqueue/closing file descriptors
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* restart.c: Functions to allow the ircd to restart.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26	michael	1011	#include "list.h"
27	adx	30	#include "restart.h"
28			#include "fdlist.h"
29			#include "ircd.h"
30			#include "irc_string.h"
31			#include "send.h"
32	michael	1309	#include "log.h"
33	adx	30	#include "client.h" /* for UMODE_ALL */
34			#include "memory.h"
35	michael	1630	#include "conf_db.h"
36	adx	30
37			void
38			restart(const char *mesg)
39			{
40			static int was_here = 0; /* redundant due to restarting flag below */
41
42	michael	1011	if (was_here++)
43	adx	30	abort();
44
45	michael	1011	server_die(mesg, 1);
46	adx	30	}
47
48			void
49			server_die(const char *mesg, int rboot)
50			{
51			char buffer[IRCD_BUFSIZE];
52			dlink_node *ptr = NULL;
53			struct Client *target_p = NULL;
54	michael	588	static int was_here = 0;
55	adx	30
56	michael	588	if (rboot && was_here++)
57			abort();
58
59	adx	30	if (EmptyString(mesg))
60			snprintf(buffer, sizeof(buffer), "Server %s",
61			rboot ? "Restarting" : "Terminating");
62			else
63			snprintf(buffer, sizeof(buffer), "Server %s: %s",
64			rboot ? "Restarting" : "Terminating", mesg);
65
66			DLINK_FOREACH(ptr, local_client_list.head)
67			{
68			target_p = ptr->data;
69
70			sendto_one(target_p, ":%s NOTICE %s :%s",
71			me.name, target_p->name, buffer);
72			}
73
74			DLINK_FOREACH(ptr, serv_list.head)
75			{
76			target_p = ptr->data;
77
78			sendto_one(target_p, ":%s ERROR :%s", me.name, buffer);
79			}
80
81	michael	1341	ilog(LOG_TYPE_IRCD, "%s", buffer);
82	adx	30
83	michael	1631	save_all_databases(NULL);
84
85	adx	30	send_queued_all();
86			close_fds(NULL);
87
88			unlink(pidFileName);
89
90			if (rboot)
91			{
92			execv(SPATH, myargv);
93			exit(1);
94			}
95			else
96			exit(0);
97			}