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/*
dbx_tree: tree database driver for Miranda IM
Copyright 2007-2010 Michael "Protogenes" Kunz,
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.
*/
#pragma once
#include <stdint.h>
#include "MREWSync.h"
#include "Events.h"
#include "Settings.h"
#include "Entities.h"
#include "FileAccess.h"
#include "MappedMemory.h"
#include "DirectAccess.h"
#include "Blockmanager.h"
#include "sigslot.h"
#include "EncryptionManager.h"
typedef enum TDBFileType {
DBFileSetting = 0,
DBFilePrivate = 1,
DBFileMax = 2
} TDBFileType;
static const uint8_t cFileSignature[DBFileMax][20] = {"Miranda IM Settings", "Miranda IM DataTree"};
static const uint32_t cDBVersion = 0x00000001;
static const uint32_t cHeaderBlockSignature = 0x7265491E;
#pragma pack(push, 1) // push current alignment to stack, set alignment to 1 byte boundary
typedef struct TSettingsHeader {
uint8_t Signature[20]; /// signature must be cSettingsHeader
uint32_t Version; /// internal DB version cDataBaseVersion
uint32_t Obscure;
TFileEncryption FileEncryption; /// Encryption Method
uint32_t FileStructureBlock; /// Offset of CBlockManager master block
uint32_t FileSize; /// Offset to the last used byte + 1
uint32_t Settings; /// Offset to the SettingsBTree RootNode
uint8_t Reserved[256 - sizeof(TFileEncryption) - 20 - 5*sizeof(uint32_t)]; /// reserved storage
} TSettingsHeader;
typedef struct TPrivateHeader {
uint8_t Signature[20]; /// signature must be CDataHeader
uint32_t Version; /// internal DB version cDataBaseVersion
uint32_t Obscure;
TFileEncryption FileEncryption; /// Encryption Method
uint32_t FileStructureBlock; /// Offset of CBlockManager master block
uint32_t FileSize; /// Offset to the last used byte + 1
uint32_t RootEntity; /// Offset to the Root CList Entity
uint32_t Entities; /// Offset to the EntityBTree RootNode
uint32_t Virtuals; /// Offset to the VirtualsBTree RootNode
uint8_t Reserved[256 - sizeof(TFileEncryption) - 20 - 7*sizeof(uint32_t)]; /// reserved storage
} TPrivateHeader;
typedef union TGenericFileHeader {
struct {
uint8_t Signature[20]; /// signature must be cSettingsHeader
uint32_t Version; /// internal DB version cDataBaseVersion
uint32_t Obscure;
TFileEncryption FileEncryption; /// Encryption Method
uint32_t FileStructureBlock; /// Offset of CBlockManager master block
uint32_t FileSize; /// Offset to the last used byte + 1
uint8_t Reserved[256 - sizeof(TFileEncryption) - 20 - 4*sizeof(uint32_t)]; /// reserved storage
} Gen;
TSettingsHeader Set;
TPrivateHeader Pri;
} TGenericFileHeader;
#pragma pack(pop)
class CDataBase : public sigslot::has_slots<>, public MIDatabase
{
private:
TCHAR* m_FileName[DBFileMax];
bool m_Opened;
CBlockManager *m_BlockManager[DBFileMax];
CFileAccess *m_FileAccess[DBFileMax];
TGenericFileHeader * m_Header[DBFileMax];
CEncryptionManager *m_EncryptionManager[DBFileMax];
uint32_t m_HeaderBlock[DBFileMax];
void onSettingsRootChanged(CSettings* Settings, CSettingsTree::TNodeRef NewRoot);
void onVirtualsRootChanged(void* Virtuals, CVirtuals::TNodeRef NewRoot);
void onEntitiesRootChanged(void* Entities, CEntities::TNodeRef NewRoot);
void onFileSizeChanged(CFileAccess * File, uint32_t Size);
bool PrivateFileExists();
bool CreateNewFile(TDBFileType File);
int CheckFile(TDBFileType Index);
int LoadFile(TDBFileType Index);
protected:
CEntities *m_Entities;
CSettings *m_Settings;
CEvents *m_Events;
void ReWriteHeader(TDBFileType Index);
public:
CDataBase(const TCHAR* FileName);
virtual ~CDataBase();
int CreateDB();
int CheckDB();
int OpenDB();
CEntities & getEntities()
{
return *m_Entities;
}
CSettings & getSettings()
{
return *m_Settings;
}
CEvents & getEvents()
{
return *m_Events;
}
int getProfileName(int BufferSize, char * Buffer);
int getProfilePath(int BufferSize, char * Buffer);
public: // services
INT_PTR __cdecl DBEntityGetRoot(WPARAM wParam, LPARAM lParam);
INT_PTR __cdecl DBEntityChildCount(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBEntityGetParent(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBEntityMove(WPARAM hEntity, LPARAM hParent);
INT_PTR __cdecl DBEntityGetFlags(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBEntityIterInit(WPARAM pFilter, LPARAM hParent);
INT_PTR __cdecl DBEntityIterNext(WPARAM hIteration, LPARAM lParam);
INT_PTR __cdecl DBEntityIterClose(WPARAM hIteration, LPARAM lParam);
INT_PTR __cdecl DBEntityDelete(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBEntityCreate(WPARAM pEntity, LPARAM lParam);
INT_PTR __cdecl DBEntityGetAccount(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBVirtualEntityCreate(WPARAM hEntity, LPARAM hParent);
INT_PTR __cdecl DBVirtualEntityGetParent(WPARAM hVirtualEntity, LPARAM lParam);
INT_PTR __cdecl DBVirtualEntityGetFirst(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBVirtualEntityGetNext(WPARAM hVirtualEntity, LPARAM lParam);
INT_PTR __cdecl DBSettingFind(WPARAM pSettingDescriptor, LPARAM lParam);
INT_PTR __cdecl DBSettingDelete(WPARAM pSettingDescriptor, LPARAM lParam);
INT_PTR __cdecl DBSettingDeleteHandle(WPARAM hSetting, LPARAM lParam);
INT_PTR __cdecl DBSettingWrite(WPARAM pSetting, LPARAM lParam);
INT_PTR __cdecl DBSettingWriteHandle(WPARAM pSetting, LPARAM hSetting);
INT_PTR __cdecl DBSettingRead(WPARAM pSetting, LPARAM lParam);
INT_PTR __cdecl DBSettingReadHandle(WPARAM pSetting, LPARAM hSetting);
INT_PTR __cdecl DBSettingIterInit(WPARAM pFilter, LPARAM lParam);
INT_PTR __cdecl DBSettingIterNext(WPARAM hIteration, LPARAM lParam);
INT_PTR __cdecl DBSettingIterClose(WPARAM hIteration, LPARAM lParam);
INT_PTR __cdecl DBEventGetBlobSize(WPARAM hEvent, LPARAM lParam);
INT_PTR __cdecl DBEventGet(WPARAM hEvent, LPARAM pEvent);
INT_PTR __cdecl DBEventGetCount(WPARAM hEntity, LPARAM lParam);
INT_PTR __cdecl DBEventDelete(WPARAM hEvent, LPARAM lParam);
INT_PTR __cdecl DBEventAdd(WPARAM hEntity, LPARAM pEvent);
INT_PTR __cdecl DBEventMarkRead(WPARAM hEvent, LPARAM lParam);
INT_PTR __cdecl DBEventWriteToDisk(WPARAM hEvent, LPARAM lParam);
INT_PTR __cdecl DBEventGetEntity(WPARAM hEvent, LPARAM lParam);
INT_PTR __cdecl DBEventIterInit(WPARAM pFilter, LPARAM lParam);
INT_PTR __cdecl DBEventIterNext(WPARAM hIteration, LPARAM lParam);
INT_PTR __cdecl DBEventIterClose(WPARAM hIteration, LPARAM lParam);
bool RegisterServices();
typedef INT_PTR ( __cdecl CDataBase::*DbServiceFunc )( WPARAM, LPARAM );
void CreateDbService(const char *szServiceName, DbServiceFunc pFunc);
protected: // to be compatible with the standard Miranda databases
STDMETHODIMP_(void) SetCacheSafetyMode(BOOL);
STDMETHODIMP_(LONG) GetContactCount(void);
STDMETHODIMP_(MCONTACT) FindFirstContact(const char* szProto = NULL);
STDMETHODIMP_(MCONTACT) FindNextContact(MCONTACT contactID, const char* szProto = NULL);
STDMETHODIMP_(LONG) DeleteContact(MCONTACT contactID);
STDMETHODIMP_(HANDLE) AddContact(void);
STDMETHODIMP_(BOOL) IsDbContact(MCONTACT contactID);
STDMETHODIMP_(LONG) GetEventCount(MCONTACT contactID);
STDMETHODIMP_(HANDLE) AddEvent(MCONTACT contactID, DBEVENTINFO *dbe);
STDMETHODIMP_(BOOL) DeleteEvent(MCONTACT contactID, HANDLE hDbEvent);
STDMETHODIMP_(LONG) GetBlobSize(HANDLE hDbEvent);
STDMETHODIMP_(BOOL) GetEvent(HANDLE hDbEvent, DBEVENTINFO *dbe);
STDMETHODIMP_(BOOL) MarkEventRead(MCONTACT contactID, HANDLE hDbEvent);
STDMETHODIMP_(HANDLE) GetEventContact(HANDLE hDbEvent);
STDMETHODIMP_(HANDLE) FindFirstEvent(MCONTACT contactID);
STDMETHODIMP_(HANDLE) FindFirstUnreadEvent(MCONTACT contactID);
STDMETHODIMP_(HANDLE) FindLastEvent(MCONTACT contactID);
STDMETHODIMP_(HANDLE) FindNextEvent(HANDLE hDbEvent);
STDMETHODIMP_(HANDLE) FindPrevEvent(HANDLE hDbEvent);
STDMETHODIMP_(BOOL) EnumModuleNames(DBMODULEENUMPROC pFunc, void *pParam);
STDMETHODIMP_(BOOL) GetContactSetting(MCONTACT contactID, LPCSTR szModule, LPCSTR szSetting, DBVARIANT *dbv);
STDMETHODIMP_(BOOL) GetContactSettingStr(MCONTACT contactID, LPCSTR szModule, LPCSTR szSetting, DBVARIANT *dbv);
STDMETHODIMP_(BOOL) GetContactSettingStatic(MCONTACT contactID, LPCSTR szModule, LPCSTR szSetting, DBVARIANT *dbv);
STDMETHODIMP_(BOOL) FreeVariant(DBVARIANT *dbv);
STDMETHODIMP_(BOOL) WriteContactSetting(MCONTACT contactID, DBCONTACTWRITESETTING *dbcws);
STDMETHODIMP_(BOOL) DeleteContactSetting(MCONTACT contactID, LPCSTR szModule, LPCSTR szSetting);
STDMETHODIMP_(BOOL) EnumContactSettings(MCONTACT contactID, DBCONTACTENUMSETTINGS* dbces);
STDMETHODIMP_(BOOL) SetSettingResident(BOOL bIsResident, const char *pszSettingName);
STDMETHODIMP_(BOOL) EnumResidentSettings(DBMODULEENUMPROC pFunc, void *pParam);
STDMETHODIMP_(BOOL) IsSettingEncrypted(LPCSTR szModule, LPCSTR szSetting);
int CheckProto(DBCachedContact *cc, const char *proto);
};
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