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/*
Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
Copyright (c) 2003-5 George Hazan.
Copyright (c) 2002-3 Richard Hughes (original version).
Miranda IM: the free icq client for MS Windows
Copyright (C) 2000-2002 Richard Hughes, Roland Rabien & Tristan Van de Vreede
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 "msn_global.h"
//a few little functions to manage queuing send message requests until the
//connection is established
static MsgQueueEntry* msgQueue;
static int msgQueueCount;
static CRITICAL_SECTION csMsgQueue;
static int msgQueueSeq;
void MsgQueue_Init( void )
{
msgQueueCount = 0;
msgQueue = NULL;
msgQueueSeq = 1;
InitializeCriticalSection( &csMsgQueue );
}
void MsgQueue_Uninit( void )
{
MsgQueue_Clear( NULL );
DeleteCriticalSection( &csMsgQueue );
}
int __stdcall MsgQueue_Add( HANDLE hContact, int msgType, const char* msg, int msgSize, filetransfer* ft, int flags )
{
EnterCriticalSection( &csMsgQueue );
msgQueue = ( MsgQueueEntry* )realloc( msgQueue, sizeof( MsgQueueEntry )*( msgQueueCount+1 ));
int seq = msgQueueSeq++;
MsgQueueEntry& E = msgQueue[ msgQueueCount++ ];
E.hContact = hContact;
E.msgSize = msgSize;
E.msgType = msgType;
if ( msgSize <= 0 )
E.message = strdup( msg );
else
memcpy( E.message = ( char* )malloc( msgSize ), msg, msgSize );
E.ft = ft;
E.seq = seq;
E.flags = flags;
E.allocatedToThread = 0;
E.timeout = DBGetContactSettingDword(NULL, "SRMM", "MessageTimeout", 10000)/1000;
LeaveCriticalSection( &csMsgQueue );
return seq;
}
// shall we create another session?
HANDLE __stdcall MsgQueue_CheckContact( HANDLE hContact )
{
EnterCriticalSection( &csMsgQueue );
HANDLE ret = NULL;
for( int i=0; i < msgQueueCount; i++ )
{
if ( msgQueue[ i ].hContact == hContact )
{ ret = hContact;
break;
} }
LeaveCriticalSection( &csMsgQueue );
return ret;
}
//for threads to determine who they should connect to
HANDLE __stdcall MsgQueue_GetNextRecipient(void)
{
EnterCriticalSection( &csMsgQueue );
HANDLE ret = NULL;
for( int i=0; i < msgQueueCount; i++ )
{
MsgQueueEntry& E = msgQueue[ i ];
if ( !E.allocatedToThread )
{
E.allocatedToThread = 1;
ret = E.hContact;
while( ++i < msgQueueCount )
if ( msgQueue[i].hContact == ret )
msgQueue[i].allocatedToThread = 1;
break;
} }
LeaveCriticalSection( &csMsgQueue );
return ret;
}
//deletes from list. Must free() return value
int __stdcall MsgQueue_GetNext( HANDLE hContact, MsgQueueEntry& retVal )
{
int i;
EnterCriticalSection( &csMsgQueue );
for( i=0; i < msgQueueCount; i++ )
if ( msgQueue[ i ].hContact == hContact )
break;
if ( i == msgQueueCount )
{ LeaveCriticalSection(&csMsgQueue);
return 0;
}
retVal = msgQueue[ i ];
msgQueueCount--;
memmove( msgQueue+i, msgQueue+i+1, sizeof( MsgQueueEntry )*( msgQueueCount-i ));
msgQueue = ( MsgQueueEntry* )realloc( msgQueue, sizeof( MsgQueueEntry )*msgQueueCount );
LeaveCriticalSection( &csMsgQueue );
return i+1;
}
void __stdcall MsgQueue_Clear( HANDLE hContact )
{
int i;
if (hContact == NULL)
{
EnterCriticalSection( &csMsgQueue );
for( i=0; i < msgQueueCount; i++ )
free ( msgQueue[ i ].message );
free( msgQueue );
msgQueueCount = 0;
msgQueue = NULL;
msgQueueSeq = 1;
LeaveCriticalSection( &csMsgQueue );
}
else
{
MsgQueueEntry E;
while (MsgQueue_GetNext(hContact, E) != 0)
free( E.message );
}
}
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