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/*
Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
Copyright (c) 2012-2014 Miranda NG Team
Copyright (c) 2006-2012 Boris Krasnovskiy.
Copyright (c) 2003-2005 George Hazan.
Copyright (c) 2002-2003 Richard Hughes (original version).
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, see <http://www.gnu.org/licenses/>.
*/
#include "msn_global.h"
#include "msn_proto.h"
//a few little functions to manage queuing send message requests until the
//connection is established
void CMsnProto::MsgQueue_Init(void)
{
msgQueueSeq = 1;
InitializeCriticalSection(&csMsgQueue);
}
void CMsnProto::MsgQueue_Uninit(void)
{
MsgQueue_Clear();
DeleteCriticalSection(&csMsgQueue);
}
int CMsnProto::MsgQueue_Add(const char* wlid, int msgType, const char* msg, int msgSize, filetransfer* ft, int flags, STRLIST *cnt)
{
EnterCriticalSection(&csMsgQueue);
MsgQueueEntry* E = new MsgQueueEntry;
lsMessageQueue.insert(E);
int seq = msgQueueSeq++;
E->wlid = mir_strdup(wlid);
E->msgSize = msgSize;
E->msgType = msgType;
if (msgSize <= 0)
E->message = mir_strdup(msg);
else
memcpy(E->message = (char*)mir_alloc(msgSize), msg, msgSize);
E->ft = ft;
E->cont = cnt;
E->seq = seq;
E->flags = flags;
E->allocatedToThread = 0;
E->ts = time(NULL);
LeaveCriticalSection(&csMsgQueue);
return seq;
}
// shall we create another session?
const char* CMsnProto::MsgQueue_CheckContact(const char* wlid, time_t tsc)
{
EnterCriticalSection(&csMsgQueue);
time_t ts = time(NULL);
const char* ret = NULL;
for (int i=0; i < lsMessageQueue.getCount(); i++)
{
if (_stricmp(lsMessageQueue[i].wlid, wlid) == 0 && (tsc == 0 || (ts - lsMessageQueue[i].ts) < tsc))
{
ret = wlid;
break;
}
}
LeaveCriticalSection(&csMsgQueue);
return ret;
}
//for threads to determine who they should connect to
const char* CMsnProto::MsgQueue_GetNextRecipient(void)
{
EnterCriticalSection(&csMsgQueue);
const char* ret = NULL;
for (int i=0; i < lsMessageQueue.getCount(); i++)
{
MsgQueueEntry& E = lsMessageQueue[i];
if (!E.allocatedToThread)
{
E.allocatedToThread = 1;
ret = E.wlid;
while(++i < lsMessageQueue.getCount())
if (_stricmp(lsMessageQueue[i].wlid, ret) == 0)
lsMessageQueue[i].allocatedToThread = 1;
break;
}
}
LeaveCriticalSection(&csMsgQueue);
return ret;
}
//deletes from list. Must mir_free() return value
bool CMsnProto::MsgQueue_GetNext(const char* wlid, MsgQueueEntry& retVal)
{
int i;
EnterCriticalSection(&csMsgQueue);
for(i=0; i < lsMessageQueue.getCount(); i++)
if (_stricmp(lsMessageQueue[i].wlid, wlid) == 0)
break;
bool res = i != lsMessageQueue.getCount();
if (res)
{
retVal = lsMessageQueue[i];
lsMessageQueue.remove(i);
}
LeaveCriticalSection(&csMsgQueue);
return res;
}
int CMsnProto::MsgQueue_NumMsg(const char* wlid)
{
int res = 0;
EnterCriticalSection(&csMsgQueue);
for(int i=0; i < lsMessageQueue.getCount(); i++)
res += (_stricmp(lsMessageQueue[i].wlid, wlid) == 0);
LeaveCriticalSection(&csMsgQueue);
return res;
}
void CMsnProto::MsgQueue_Clear(const char* wlid, bool msg)
{
int i;
EnterCriticalSection(&csMsgQueue);
if (wlid == NULL)
{
for(i=0; i < lsMessageQueue.getCount(); i++)
{
const MsgQueueEntry& E = lsMessageQueue[i];
if (E.msgSize == 0)
{
MCONTACT hContact = MSN_HContactFromEmail(E.wlid);
ProtoBroadcastAck(hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED,
(HANDLE)E.seq, (LPARAM)Translate("Message delivery failed"));
}
mir_free(E.message);
mir_free(E.wlid);
if (E.cont) delete E.cont;
}
lsMessageQueue.destroy();
msgQueueSeq = 1;
}
else
{
for(i=0; i < lsMessageQueue.getCount(); i++)
{
time_t ts = time(NULL);
const MsgQueueEntry& E = lsMessageQueue[i];
if (_stricmp(lsMessageQueue[i].wlid, wlid) == 0 && (!msg || E.msgSize == 0))
{
bool msgfnd = E.msgSize == 0 && E.ts < ts;
int seq = E.seq;
mir_free(E.message);
mir_free(E.wlid);
if (E.cont) delete E.cont;
lsMessageQueue.remove(i);
if (msgfnd)
{
LeaveCriticalSection(&csMsgQueue);
MCONTACT hContact = MSN_HContactFromEmail(wlid);
ProtoBroadcastAck(hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, (HANDLE)seq,
(LPARAM)Translate("Message delivery failed"));
i = 0;
EnterCriticalSection(&csMsgQueue);
}
}
}
}
LeaveCriticalSection(&csMsgQueue);
}
void __cdecl CMsnProto::MsgQueue_AllClearThread(void* arg)
{
MsgQueue_Clear((char*)arg);
mir_free(arg);
}
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