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/*
Copyright (c) 2015 Miranda NG project (http://miranda-ng.org)
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 version 2
of the License.
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 "stdafx.h"
MEVENT CSkypeProto::GetMessageFromDb(MCONTACT hContact, const char *messageId, LONGLONG timestamp)
{
if(messageId == NULL)
return NULL;
timestamp -= 600; // we check events written 10 minutes ago
size_t messageIdLength = mir_strlen(messageId);
mir_cslock lock(messageSyncLock);
for (MEVENT hDbEvent = db_event_last(hContact); hDbEvent; hDbEvent = db_event_prev(hContact, hDbEvent))
{
DBEVENTINFO dbei = { sizeof(dbei) };
dbei.cbBlob = db_event_getBlobSize(hDbEvent);
if (dbei.cbBlob < messageIdLength)
continue;
mir_ptr<BYTE> blob((PBYTE)mir_alloc(dbei.cbBlob));
dbei.pBlob = blob;
db_event_get(hDbEvent, &dbei);
if (dbei.eventType != EVENTTYPE_MESSAGE && dbei.eventType != SKYPE_DB_EVENT_TYPE_ACTION && dbei.eventType != SKYPE_DB_EVENT_TYPE_CALL_INFO)
continue;
size_t cbLen = strlen((char*)dbei.pBlob);
if (memcmp(&dbei.pBlob[cbLen+1], messageId, messageIdLength) == 0)
return hDbEvent;
if (dbei.timestamp < timestamp)
break;
}
return NULL;
}
MEVENT CSkypeProto::AddMessageToDb(MCONTACT hContact, DWORD timestamp, DWORD flags, const char *messageId, char *content, int emoteOffset)
{
if (MEVENT hDbEvent = GetMessageFromDb(hContact, messageId, timestamp))
return hDbEvent;
size_t messageLength = mir_strlen(&content[emoteOffset]) + 1;
size_t messageIdLength = mir_strlen(messageId);
size_t cbBlob = messageLength + messageIdLength;
PBYTE pBlob = (PBYTE)mir_alloc(cbBlob);
memcpy(pBlob, &content[emoteOffset], messageLength);
memcpy(pBlob + messageLength, messageId, messageIdLength);
return AddEventToDb(hContact, emoteOffset == 0 ? EVENTTYPE_MESSAGE : SKYPE_DB_EVENT_TYPE_ACTION, timestamp, flags, (DWORD)cbBlob, pBlob);
}
MEVENT CSkypeProto::AddCallInfoToDb(MCONTACT hContact, DWORD timestamp, DWORD flags, const char *messageId, char *content)
{
if (MEVENT hDbEvent = GetMessageFromDb(hContact, messageId, timestamp))
return hDbEvent;
size_t messageLength = mir_strlen(content) + 1;
size_t messageIdLength = mir_strlen(messageId);
size_t cbBlob = messageLength + messageIdLength;
PBYTE pBlob = (PBYTE)mir_alloc(cbBlob);
memcpy(pBlob, content, messageLength);
memcpy(pBlob + messageLength, messageId, messageIdLength);
return AddEventToDb(hContact,SKYPE_DB_EVENT_TYPE_CALL_INFO, timestamp, flags, (DWORD)cbBlob, pBlob);
}
MEVENT CSkypeProto::AddCallToDb(MCONTACT hContact, DWORD timestamp, DWORD flags, const char *callId, const char *gp)
{
size_t callIdLength = mir_strlen(callId);
size_t messageLength = mir_strlen(gp) + 1;
size_t cbBlob = messageLength + callIdLength;
PBYTE pBlob = (PBYTE)mir_alloc(cbBlob);
memcpy(pBlob, gp, messageLength);
memcpy(pBlob + messageLength, callId, callIdLength);
return AddEventToDb(hContact, SKYPE_DB_EVENT_TYPE_INCOMING_CALL, timestamp, flags, (DWORD)cbBlob, pBlob);
}
MEVENT CSkypeProto::AddEventToDb(MCONTACT hContact, WORD type, DWORD timestamp, DWORD flags, DWORD cbBlob, PBYTE pBlob)
{
DBEVENTINFO dbei = { sizeof(dbei) };
dbei.szModule = this->m_szModuleName;
dbei.timestamp = timestamp;
dbei.eventType = type;
dbei.cbBlob = cbBlob;
dbei.pBlob = pBlob;
dbei.flags = flags;
return db_event_add(hContact, &dbei);
}
time_t CSkypeProto::GetLastMessageTime(MCONTACT hContact)
{
MEVENT hDbEvent = db_event_last(hContact);
if (hDbEvent != NULL)
{
DBEVENTINFO dbei = { sizeof(dbei) };
db_event_get(hDbEvent, &dbei);
return dbei.timestamp;
}
return 0;
}
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