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/*
Jabber Protocol Plugin for Miranda IM
Copyright ( C ) 2002-04 Santithorn Bunchua
Copyright ( C ) 2005-06 George Hazan
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.
File name : $Source: /cvsroot/miranda/miranda/protocols/JabberG/jabber_iq.cpp,v $
Revision : $Revision: 2866 $
Last change on : $Date: 2006-05-16 20:39:40 +0400 (Втр, 16 Май 2006) $
Last change by : $Author: ghazan $
*/
#include "jabber.h"
#include "jabber_iq.h"
#include "jabber_xmlns.h"
static JABBER_IQ_XMLNS_FUNC jabberXmlns[] = {
{ _T("http://jabber.org/protocol/disco"), JabberXmlnsDisco, TRUE },
{ _T("jabber:iq:browse"), JabberXmlnsBrowse, FALSE }
};
typedef struct {
int iqId; // id to match IQ get/set with IQ result
JABBER_IQ_PROCID procId; // must be unique in the list, except for IQ_PROC_NONE which can have multiple entries
JABBER_IQ_PFUNC func; // callback function
time_t requestTime; // time the request was sent, used to remove relinquent entries
} JABBER_IQ_FUNC;
static CRITICAL_SECTION csIqList;
static JABBER_IQ_FUNC *iqList;
static int iqCount;
static int iqAlloced;
void JabberIqInit()
{
InitializeCriticalSection( &csIqList );
iqList = NULL;
iqCount = 0;
iqAlloced = 0;
}
void JabberIqUninit()
{
if ( iqList ) mir_free( iqList );
iqList = NULL;
iqCount = 0;
iqAlloced = 0;
DeleteCriticalSection( &csIqList );
}
static void JabberIqRemove( int index )
{
EnterCriticalSection( &csIqList );
if ( index>=0 && index<iqCount ) {
memmove( iqList+index, iqList+index+1, sizeof( JABBER_IQ_FUNC )*( iqCount-index-1 ));
iqCount--;
}
LeaveCriticalSection( &csIqList );
}
static void JabberIqExpire()
{
int i;
time_t expire;
EnterCriticalSection( &csIqList );
expire = time( NULL ) - 120; // 2 minute
i = 0;
while ( i < iqCount ) {
if ( iqList[i].requestTime < expire )
JabberIqRemove( i );
else
i++;
}
LeaveCriticalSection( &csIqList );
}
JABBER_IQ_PFUNC JabberIqFetchFunc( int iqId )
{
int i;
JABBER_IQ_PFUNC res;
EnterCriticalSection( &csIqList );
JabberIqExpire();
#ifdef _DEBUG
for ( i=0; i<iqCount; i++ )
JabberLog( " %04d : %02d : 0x%x", iqList[i].iqId, iqList[i].procId, iqList[i].func );
#endif
for ( i=0; i<iqCount && iqList[i].iqId!=iqId; i++ );
if ( i < iqCount ) {
res = iqList[i].func;
JabberIqRemove( i );
}
else {
res = ( JABBER_IQ_PFUNC ) NULL;
}
LeaveCriticalSection( &csIqList );
return res;
}
void JabberIqAdd( unsigned int iqId, JABBER_IQ_PROCID procId, JABBER_IQ_PFUNC func )
{
int i;
EnterCriticalSection( &csIqList );
JabberLog( "IqAdd id=%d, proc=%d, func=0x%x", iqId, procId, func );
if ( procId == IQ_PROC_NONE )
i = iqCount;
else
for ( i=0; i<iqCount && iqList[i].procId!=procId; i++ );
if ( i>=iqCount && iqCount>=iqAlloced ) {
iqAlloced = iqCount + 8;
iqList = ( JABBER_IQ_FUNC * )mir_realloc( iqList, sizeof( JABBER_IQ_FUNC )*iqAlloced );
}
if ( iqList != NULL ) {
iqList[i].iqId = iqId;
iqList[i].procId = procId;
iqList[i].func = func;
iqList[i].requestTime = time( NULL );
if ( i == iqCount ) iqCount++;
}
LeaveCriticalSection( &csIqList );
}
JABBER_IQ_PFUNC JabberIqFetchXmlnsFunc( TCHAR* xmlns )
{
unsigned int len, count, i;
TCHAR* p, *q;
if ( xmlns == NULL )
return NULL;
p = _tcsrchr( xmlns, '/' );
q = _tcsrchr( xmlns, '#' );
if ( p!=NULL && q!=NULL && q>p )
len = q - xmlns;
else
len = _tcslen( xmlns );
count = sizeof( jabberXmlns ) / sizeof( jabberXmlns[0] );
for ( i=0; i<count; i++ ) {
if ( jabberXmlns[i].allowSubNs ) {
if ( _tcslen( jabberXmlns[i].xmlns ) == len && !_tcsncmp( jabberXmlns[i].xmlns, xmlns, len ))
break;
}
else {
if ( !_tcscmp( jabberXmlns[i].xmlns, xmlns ))
break;
}
}
if ( i < count )
return jabberXmlns[i].func;
return NULL;
}
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