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/*
* ircd-ratbox: A slightly useful ircd.
* m_ping.c: Requests that a PONG message be sent back.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* 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
*/
#include "stdinc.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "match.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "hash.h"
#include "s_conf.h"
#include "s_serv.h"
static const char ping_desc[] =
"Provides the PING command to ensure a client or server is still alive";
static void m_ping(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void ms_ping(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
struct Message ping_msgtab = {
"PING", 0, 0, 0, 0,
{mg_unreg, {m_ping, 2}, {ms_ping, 2}, {ms_ping, 2}, mg_ignore, {m_ping, 2}}
};
mapi_clist_av1 ping_clist[] = { &ping_msgtab, NULL };
DECLARE_MODULE_AV2(ping, NULL, NULL, ping_clist, NULL, NULL, NULL, NULL, ping_desc);
/*
** m_ping
** parv[1] = origin
** parv[2] = destination
*/
static void
m_ping(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
const char *destination;
destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */
if(!EmptyString(destination) && !match(destination, me.name))
{
if((target_p = find_server(source_p, destination)))
{
sendto_one(target_p, ":%s PING %s :%s",
get_id(source_p, target_p),
source_p->name, get_id(target_p, target_p));
}
else
{
sendto_one_numeric(source_p, ERR_NOSUCHSERVER,
form_str(ERR_NOSUCHSERVER),
destination);
return;
}
}
else
sendto_one(source_p, ":%s PONG %s :%s", me.name,
(destination) ? destination : me.name, parv[1]);
}
static void
ms_ping(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
const char *destination;
destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */
if(!EmptyString(destination) && irccmp(destination, me.name) &&
irccmp(destination, me.id))
{
if((target_p = find_client(destination)) && IsServer(target_p))
sendto_one(target_p, ":%s PING %s :%s",
get_id(source_p, target_p), source_p->name,
get_id(target_p, target_p));
/* not directed at an id.. */
else if(!IsDigit(*destination))
sendto_one_numeric(source_p, ERR_NOSUCHSERVER,
form_str(ERR_NOSUCHSERVER),
destination);
}
else
sendto_one(source_p, ":%s PONG %s :%s",
get_id(&me, source_p), me.name,
get_id(source_p, source_p));
}
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