diff options
Diffstat (limited to 'plugins/Db3x_mmap/dbintf.h')
| -rw-r--r-- | plugins/Db3x_mmap/dbintf.h | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/plugins/Db3x_mmap/dbintf.h b/plugins/Db3x_mmap/dbintf.h deleted file mode 100644 index c3a14c0c01..0000000000 --- a/plugins/Db3x_mmap/dbintf.h +++ /dev/null @@ -1,311 +0,0 @@ -/*
-
-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 <m_db_int.h>
-
-/* tree diagram
-
-DBHeader
- |-->end of file (plain offset)
- |-->first contact (DBContact)
- | |-->next contact (DBContact)
- | | \--> ...
- | |-->first settings (DBContactSettings)
- | | |-->next settings (DBContactSettings)
- | | | \--> ...
- | | \-->module name (DBModuleName)
- | \-->first/last/firstunread event
- |-->user contact (DBContact)
- | |-->next contact = NULL
- | |-->first settings as above
- | \-->first/last/firstunread event as above
- \-->first module name (DBModuleName)
- \-->next module name (DBModuleName)
- \--> ...
-*/
-
-#define DB_THIS_VERSION 0x00000700u
-#define DB_SETTINGS_RESIZE_GRANULARITY 128
-
-struct DBSignature {
- char name[15];
- BYTE eof;
-};
-
-struct ModuleName
-{
- char *name;
- DWORD ofs;
-};
-
-#include <pshpack1.h>
-struct DBHeader {
- BYTE signature[16]; // 'Miranda ICQ DB',0,26
- DWORD version; //as 4 bytes, ie 1.2.3.10 = 0x0102030a
- //this version is 0x00000700
- DWORD ofsFileEnd; //offset of the end of the database - place to write
- //new structures
- DWORD slackSpace; //a counter of the number of bytes that have been
- //wasted so far due to deleting structures and/or
- //re-making them at the end. We should compact when
- //this gets above a threshold
- DWORD contactCount; //number of contacts in the chain,excluding the user
- DWORD ofsFirstContact; //offset to first DBContact in the chain
- DWORD ofsUser; //offset to DBContact representing the user
- DWORD ofsFirstModuleName; //offset to first struct DBModuleName in the chain
-};
-
-#define DBCONTACT_SIGNATURE 0x43DECADEu
-
-struct DBContact
-{
- DWORD signature;
- DWORD ofsNext; //offset to the next contact in the chain. zero if
- //this is the 'user' contact or the last contact
- //in the chain
- DWORD ofsFirstSettings; //offset to the first DBContactSettings in the
- //chain for this contact.
- DWORD eventCount; //number of events in the chain for this contact
- DWORD ofsFirstEvent,ofsLastEvent; //offsets to the first and last DBEvent in
- //the chain for this contact
- DWORD ofsFirstUnreadEvent; //offset to the first (chronological) unread event
- //in the chain, 0 if all are read
- DWORD timestampFirstUnread; //timestamp of the event at ofsFirstUnreadEvent
-};
-
-#define DBMODULENAME_SIGNATURE 0x4DDECADEu
-struct DBModuleName
-{
- DWORD signature;
- DWORD ofsNext; //offset to the next module name in the chain
- BYTE cbName; //number of characters in this module name
- char name[1]; //name, no nul terminator
-};
-
-#define DBCONTACTSETTINGS_SIGNATURE 0x53DECADEu
-struct DBContactSettings
-{
- DWORD signature;
- DWORD ofsNext; //offset to the next contactsettings in the chain
- DWORD ofsModuleName; //offset to the DBModuleName of the owner of these
- //settings
- DWORD cbBlob; //size of the blob in bytes. May be larger than the
- //actual size for reducing the number of moves
- //required using granularity in resizing
- BYTE blob[1]; //the blob. a back-to-back sequence of DBSetting
- //structs, the last has cbName = 0
-};
-
-#define DBEVENT_SIGNATURE 0x45DECADEu
-struct DBEvent
-{
- DWORD signature;
- DWORD ofsPrev,ofsNext; //offset to the previous and next events in the
- //chain. Chain is sorted chronologically
- DWORD ofsModuleName; //offset to a DBModuleName struct of the name of
- //the owner of this event
- DWORD timestamp; //seconds since 00:00:00 01/01/1970
- DWORD flags; //see m_database.h, db/event/add
- WORD eventType; //module-defined event type
- DWORD cbBlob; //number of bytes in the blob
- BYTE blob[1]; //the blob. module-defined formatting
-};
-
-#include <poppack.h>
-
-struct DBCachedGlobalValue
-{
- char* name;
- DBVARIANT value;
-};
-
-struct DBCachedContactValue
-{
- char* name;
- DBVARIANT value;
- DBCachedContactValue* next;
-};
-
-struct DBCachedContactValueList
-{
- HANDLE hContact;
- HANDLE hNext;
- DBCachedContactValue* first;
- DBCachedContactValue* last;
-};
-
-#define MAXCACHEDREADSIZE 65536
-
-struct CDb3Base : public MIDatabase, public MZeroedObject
-{
- CDb3Base(const TCHAR* tszFileName);
- ~CDb3Base();
-
- int Load(bool bSkipInit);
- int Create(void);
- int CreateDbHeaders();
- int CheckDbHeaders();
- void DatabaseCorruption(TCHAR *text);
-
- __forceinline HANDLE getFile() const { return m_hDbFile; }
-
-protected:
- STDMETHODIMP_(void) SetCacheSafetyMode(BOOL);
-
- STDMETHODIMP_(LONG) GetContactCount(void);
- STDMETHODIMP_(HANDLE) FindFirstContact(const char* szProto = NULL);
- STDMETHODIMP_(HANDLE) FindNextContact(HANDLE hContact, const char* szProto = NULL);
- STDMETHODIMP_(LONG) DeleteContact(HANDLE hContact);
- STDMETHODIMP_(HANDLE) AddContact(void);
- STDMETHODIMP_(BOOL) IsDbContact(HANDLE hContact);
-
- STDMETHODIMP_(LONG) GetEventCount(HANDLE hContact);
- STDMETHODIMP_(HANDLE) AddEvent(HANDLE hContact, DBEVENTINFO *dbe);
- STDMETHODIMP_(BOOL) DeleteEvent(HANDLE hContact, HANDLE hDbEvent);
- STDMETHODIMP_(LONG) GetBlobSize(HANDLE hDbEvent);
- STDMETHODIMP_(BOOL) GetEvent(HANDLE hDbEvent, DBEVENTINFO *dbe);
- STDMETHODIMP_(BOOL) MarkEventRead(HANDLE hContact, HANDLE hDbEvent);
- STDMETHODIMP_(HANDLE) GetEventContact(HANDLE hDbEvent);
- STDMETHODIMP_(HANDLE) FindFirstEvent(HANDLE hContact);
- STDMETHODIMP_(HANDLE) FindFirstUnreadEvent(HANDLE hContact);
- STDMETHODIMP_(HANDLE) FindLastEvent(HANDLE hContact);
- STDMETHODIMP_(HANDLE) FindNextEvent(HANDLE hDbEvent);
- STDMETHODIMP_(HANDLE) FindPrevEvent(HANDLE hDbEvent);
-
- STDMETHODIMP_(BOOL) EnumModuleNames(DBMODULEENUMPROC pFunc, void *pParam);
-
- STDMETHODIMP_(BOOL) GetContactSetting(HANDLE hContact, DBCONTACTGETSETTING *dbcgs);
- STDMETHODIMP_(BOOL) GetContactSettingStr(HANDLE hContact, DBCONTACTGETSETTING *dbcgs);
- STDMETHODIMP_(BOOL) GetContactSettingStatic(HANDLE hContact, DBCONTACTGETSETTING *dbcgs);
- STDMETHODIMP_(BOOL) FreeVariant(DBVARIANT *dbv);
- STDMETHODIMP_(BOOL) WriteContactSetting(HANDLE hContact, DBCONTACTWRITESETTING *dbcws);
- STDMETHODIMP_(BOOL) DeleteContactSetting(HANDLE hContact, DBCONTACTGETSETTING *dbcgs);
- STDMETHODIMP_(BOOL) EnumContactSettings(HANDLE hContact, DBCONTACTENUMSETTINGS* dbces);
- STDMETHODIMP_(BOOL) SetSettingResident(BOOL bIsResident, const char *pszSettingName);
- STDMETHODIMP_(BOOL) EnumResidentSettings(DBMODULEENUMPROC pFunc, void *pParam);
-
-protected:
- virtual void DBMoveChunk(DWORD ofsDest, DWORD ofsSource, int bytes) = 0;
- virtual PBYTE DBRead(DWORD ofs, int bytesRequired, int *bytesAvail) = 0;
- virtual void DBWrite(DWORD ofs, PVOID pData, int bytes) = 0;
- virtual void DBFill(DWORD ofs, int bytes) = 0;
- virtual void DBFlush(int setting) = 0;
- virtual int InitCache(void) = 0;
-
-protected:
- virtual void EncodeCopyMemory(void *dst, void *src, size_t size);
- virtual void DecodeCopyMemory(void *dst, void *src, size_t size);
- virtual void EncodeDBWrite(DWORD ofs, void *src, int size);
- virtual void DecodeDBWrite(DWORD ofs, void *src, int size);
-
-protected:
- TCHAR* m_tszProfileName;
- HANDLE m_hDbFile;
- DBHeader m_dbHeader;
- DWORD m_ChunkSize;
- BOOL m_safetyMode;
-
- ////////////////////////////////////////////////////////////////////////////
- // database stuff
-public:
- UINT_PTR m_flushBuffersTimerId;
- DWORD m_flushFailTick;
- PBYTE m_pDbCache;
-
-protected:
- DWORD m_dwFileSize;
-
- CRITICAL_SECTION m_csDbAccess;
-
- int CheckProto(HANDLE hContact, const char *proto);
- DWORD CreateNewSpace(int bytes);
- void DeleteSpace(DWORD ofs, int bytes);
- DWORD ReallocSpace(DWORD ofs, int oldSize, int newSize);
-
- __forceinline PBYTE DBRead(HANDLE hContact, int bytesRequired, int *bytesAvail)
- { return DBRead((DWORD)hContact, bytesRequired, bytesAvail);
- }
-
- ////////////////////////////////////////////////////////////////////////////
- // settings
-
- int m_codePage;
-
- HANDLE m_hCacheHeap;
- HANDLE m_hLastCachedContact;
- char* m_lastSetting;
- DBCachedContactValueList *m_lastVL;
-
- LIST<DBCachedContactValueList> m_lContacts;
- LIST<DBCachedGlobalValue> m_lGlobalSettings;
- LIST<char> m_lSettings, m_lResidentSettings;
- HANDLE hSettingChangeEvent, hContactDeletedEvent, hContactAddedEvent;
-
- DWORD GetSettingsGroupOfsByModuleNameOfs(DBContact *dbc,DWORD ofsModuleName);
- char* InsertCachedSetting(const char* szName, size_t cbNameLen);
- char* GetCachedSetting(const char *szModuleName,const char *szSettingName, int moduleNameLen, int settingNameLen);
- void SetCachedVariant(DBVARIANT* s, DBVARIANT* d);
- void FreeCachedVariant(DBVARIANT* V);
- DBVARIANT* GetCachedValuePtr(HANDLE hContact, char* szSetting, int bAllocate);
- int GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs,int isStatic);
-
- ////////////////////////////////////////////////////////////////////////////
- // contacts
-
- DBCachedContactValueList* AddToCachedContactList(HANDLE hContact, int index);
-
- ////////////////////////////////////////////////////////////////////////////
- // modules
-
- HANDLE m_hModHeap;
- LIST<ModuleName> m_lMods, m_lOfs;
- HANDLE hEventAddedEvent, hEventDeletedEvent, hEventFilterAddedEvent;
- ModuleName *m_lastmn;
-
- void AddToList(char *name, DWORD len, DWORD ofs);
- DWORD FindExistingModuleNameOfs(const char *szName);
- int InitModuleNames(void);
- DWORD GetModuleNameOfs(const char *szName);
- char *GetModuleNameByOfs(DWORD ofs);
-};
-
-struct CDb3Mmap : public CDb3Base
-{
- CDb3Mmap(const TCHAR* ptszFileName);
- ~CDb3Mmap();
-
-protected:
- virtual void DBMoveChunk(DWORD ofsDest, DWORD ofsSource, int bytes);
- virtual PBYTE DBRead(DWORD ofs, int bytesRequired, int *bytesAvail);
- virtual void DBWrite(DWORD ofs, PVOID pData, int bytes);
- virtual void DBFill(DWORD ofs, int bytes);
- virtual void DBFlush(int setting);
- virtual int InitCache(void);
-
-protected:
- PBYTE m_pNull;
- HANDLE m_hMap;
-
- void Map();
- void ReMap(DWORD needed);
-};
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