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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright 2012 Miranda NG project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
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 "commonheaders.h"
DBSignature dbSignature = {"Miranda ICQ DB",0x1A};
static int stringCompare(const char* p1, const char* p2)
{
return strcmp(p1+1, p2+1);
}
static int stringCompare2(const char* p1, const char* p2)
{
return strcmp(p1, p2);
}
static int compareGlobals(const DBCachedGlobalValue* p1, const DBCachedGlobalValue* p2)
{
return strcmp(p1->name, p2->name);
}
static int ModCompare(const ModuleName *mn1, const ModuleName *mn2 )
{
return strcmp( mn1->name, mn2->name );
}
static int OfsCompare(const ModuleName *mn1, const ModuleName *mn2 )
{
return ( mn1->ofs - mn2->ofs );
}
CDb3Base::CDb3Base(const TCHAR* tszFileName) :
m_hDbFile(INVALID_HANDLE_VALUE),
m_safetyMode(true),
m_bReadOnly(true),
m_lSettings(100, stringCompare),
m_lContacts(50, LIST<DBCachedContactValueList>::FTSortFunc(HandleKeySort)),
m_lGlobalSettings(50, compareGlobals),
m_lResidentSettings(50, stringCompare2),
m_lMods(50, ModCompare),
m_lOfs(50, OfsCompare)
{
m_tszProfileName = mir_tstrdup(tszFileName);
InitializeCriticalSection(&m_csDbAccess);
SYSTEM_INFO sinf;
GetSystemInfo(&sinf);
m_ChunkSize = sinf.dwAllocationGranularity;
m_codePage = CallService(MS_LANGPACK_GETCODEPAGE, 0, 0);
m_hCacheHeap = HeapCreate(0, 0, 0);
m_hModHeap = HeapCreate(0,0,0);
}
CDb3Base::~CDb3Base()
{
// destroy settings
HeapDestroy(m_hCacheHeap);
m_lContacts.destroy();
m_lSettings.destroy();
m_lGlobalSettings.destroy();
m_lResidentSettings.destroy();
// destroy modules
HeapDestroy(m_hModHeap);
m_lMods.destroy();
m_lOfs.destroy();
// destroy map
KillTimer(NULL,m_flushBuffersTimerId);
if (m_pDbCache) {
FlushViewOfFile(m_pDbCache, 0);
UnmapViewOfFile(m_pDbCache);
}
if (m_hMap)
CloseHandle(m_hMap);
// update profile last modified time
if (!m_bReadOnly) {
DWORD bytesWritten;
SetFilePointer(m_hDbFile, 0, NULL, FILE_BEGIN);
WriteFile(m_hDbFile, &dbSignature, 1, &bytesWritten, NULL);
}
CloseHandle(m_hDbFile);
DeleteCriticalSection(&m_csDbAccess);
mir_free(m_tszProfileName);
}
int CDb3Base::Load(bool bSkipInit)
{
log0("DB logging running");
DWORD dummy = 0;
m_hDbFile = CreateFile(m_tszProfileName, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, 0, NULL);
if ( m_hDbFile == INVALID_HANDLE_VALUE )
return EGROKPRF_CANTREAD;
if ( !ReadFile(m_hDbFile,&m_dbHeader,sizeof(m_dbHeader),&dummy,NULL)) {
CloseHandle(m_hDbFile);
return EGROKPRF_CANTREAD;
}
if ( !bSkipInit) {
if (InitCache()) return 1;
if (InitModuleNames()) return 1;
m_bReadOnly = false;
hContactDeletedEvent = CreateHookableEvent(ME_DB_CONTACT_DELETED);
hContactAddedEvent = CreateHookableEvent(ME_DB_CONTACT_ADDED);
hSettingChangeEvent = CreateHookableEvent(ME_DB_CONTACT_SETTINGCHANGED);
hEventAddedEvent = CreateHookableEvent(ME_DB_EVENT_ADDED);
hEventDeletedEvent = CreateHookableEvent(ME_DB_EVENT_DELETED);
hEventFilterAddedEvent = CreateHookableEvent(ME_DB_EVENT_FILTER_ADD);
}
return 0;
}
int CDb3Base::Create()
{
m_hDbFile = CreateFile(m_tszProfileName, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, 0, NULL);
return ( m_hDbFile == INVALID_HANDLE_VALUE );
}
STDMETHODIMP_(void) CDb3Base::SetCacheSafetyMode(BOOL bIsSet)
{
{ mir_cslock lck(m_csDbAccess);
m_safetyMode = bIsSet != 0;
}
DBFlush(1);
}
void CDb3Base::EncodeCopyMemory(void *dst, void *src, size_t size)
{
MoveMemory(dst, src, size);
}
void CDb3Base::DecodeCopyMemory(void *dst, void *src, size_t size)
{
MoveMemory(dst, src, size);
}
void CDb3Base::EncodeDBWrite(DWORD ofs, void *src, int size)
{
DBWrite(ofs, src, size);
}
void CDb3Base::DecodeDBWrite(DWORD ofs, void *src, int size)
{
DBWrite(ofs, src, size);
}
///////////////////////////////////////////////////////////////////////////////
// MIDatabaseChecker
static CheckWorker Workers[6] =
{
&CDb3Base::WorkInitialChecks,
&CDb3Base::WorkModuleChain,
&CDb3Base::WorkUser,
&CDb3Base::WorkContactChain,
&CDb3Base::WorkAggressive,
&CDb3Base::WorkFinalTasks
};
int CDb3Base::Start(DBCHeckCallback *callback)
{
cb = callback;
return ERROR_SUCCESS;
}
int CDb3Base::CheckDb(int phase, int firstTime)
{
if (phase >= SIZEOF(Workers))
return ERROR_OUT_OF_PAPER;
return (this->*Workers[phase])(firstTime);
}
void CDb3Base::Destroy()
{
delete this;
}
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