csgo-2018-source/filesystem/basefilesystem.h
2021-07-24 21:11:47 -07:00

1397 lines
45 KiB
C++

//===== Copyright 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose:
//
// $NoKeywords: $
//===========================================================================//
#ifndef BASEFILESYSTEM_H
#define BASEFILESYSTEM_H
#include "tier0/platform.h"
#ifdef _PS3
#include <sdk_version.h>
#if CELL_SDK_VERSION >= 0x085007
#define getenv(x) NULL //TEMP REMOVE THIS - RP
#endif
#endif
#ifdef _WIN32
#pragma once
#endif
#if defined( _WIN32 )
#if !defined( _X360 ) && !defined( _PS3 ) && !defined(LINUX)
#include <io.h>
#include <direct.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#define SUPPORT_VPK
#endif
#undef GetCurrentDirectory
#undef GetJob
#undef AddJob
#elif defined( POSIX ) && !defined( _PS3 )
#include <unistd.h> // unlink
#include "linux_support.h"
#define INVALID_HANDLE_VALUE (void *)-1
// undo the prepended "_" 's
#define _chmod chmod
#define _stat stat
#define _alloca alloca
#define _S_IFDIR S_IFDIR
#define SUPPORT_VPK
#elif defined(_PS3)
#include <unistd.h> // unlink
#define INVALID_HANDLE_VALUE ( void * )-1
// undo the prepended "_" 's
#define _chmod chmod
#define _stat stat
#define _alloca alloca
#define _S_IFDIR S_IFDIR
#endif
#include "tier0/threadtools.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef _PS3
#include <malloc.h>
#endif // _PS3
#include <string.h>
#include "tier1/utldict.h"
#ifdef SUPPORT_VPK
#include "vpklib/packedstore.h"
#endif
#include <time.h>
#include "refcount.h"
#include "filesystem.h"
#include "tier1/utlvector.h"
#include "tier1/UtlStringMap.h"
#include <stdarg.h>
#include "tier1/utlrbtree.h"
#include "tier1/utlsymbol.h"
#include "tier1/utllinkedlist.h"
#include "tier1/utlstring.h"
#include "tier1/utlsortvector.h"
#include "bspfile.h"
#include "tier1/utldict.h"
#include "tier1/tier1.h"
#include "byteswap.h"
#include "threadsaferefcountedobject.h"
#include "filetracker.h"
#ifdef _PS3
#include "ps3/ps3_platform.h"
#include "ps3/ps3_core.h"
#else
#include "xbox/xboxstubs.h"
#endif // _PS3
#include "tier0/memdbgon.h"
#ifdef _WIN32
#define CORRECT_PATH_SEPARATOR '\\'
#define INCORRECT_PATH_SEPARATOR '/'
#elif defined(POSIX)
#define CORRECT_PATH_SEPARATOR '/'
#define INCORRECT_PATH_SEPARATOR '\\'
#endif
#ifdef _WIN32
#define PATHSEPARATOR(c) ((c) == '\\' || (c) == '/')
#elif defined(POSIX)
#define PATHSEPARATOR(c) ((c) == '/')
#endif //_WIN32
#define MAX_FILEPATH 512
#if !defined( _X360 )
#define SUPPORT_IODELAY_MONITORING
#endif
#ifdef _PS3
#define FILE_ATTRIBUTE_DIRECTORY S_IFDIR
typedef struct
{
// public data
int dwFileAttributes;
char cFileName[PATH_MAX]; // the file name returned from the call
int numMatches;
struct dirent **namelist;
} FIND_DATA;
#define WIN32_FIND_DATA FIND_DATA
#endif // _PS3
extern CUtlSymbolTableMT g_PathIDTable;
struct DLCCorrupt_t
{
XCONTENT_DATA m_ContentData;
};
struct DLCContent_t
{
XCONTENT_DATA m_ContentData;
DWORD m_LicenseMask;
int m_nController;
char m_szVolume[8];
bool m_bMounted;
bool m_bCorrupt;
};
class CDLCLess
{
public:
bool Less( const DLCContent_t& lhs, const DLCContent_t& rhs, void *pContext )
{
return ( ( lhs.m_LicenseMask & 0xFFFF0000 ) < ( rhs.m_LicenseMask & 0xFFFF0000 ) );
}
};
enum FileMode_t
{
FM_BINARY,
FM_TEXT
};
enum FileType_t
{
FT_NORMAL,
FT_PACK_BINARY,
FT_PACK_TEXT,
#if defined(_PS3)
FT_RUNTIME_PS3,
#endif
};
#if defined(_PS3)
void FixUpPathCaseForPS3( const char* pFilePath );
#endif
class IThreadPool;
class CAsyncJobFuliller;
class CBlockingFileItemList;
class KeyValues;
class CCompiledKeyValuesReader;
class CBaseFileSystem;
class CPackFileHandle;
class CPackFile;
class IFileList;
class CFileOpenInfo;
class CFileHandleTimer;
class CWhitelistSpecs
{
public:
IFileList *m_pWantCRCList;
IFileList *m_pAllowFromDiskList;
};
typedef CThreadSafeRefCountedObject<CWhitelistSpecs*> CWhitelistHolder;
//-----------------------------------------------------------------------------
class CIODelayAlarmThread;
class CFileHandle
{
public:
CFileHandle( CBaseFileSystem* fs );
virtual ~CFileHandle();
void Init( CBaseFileSystem* fs );
int GetSectorSize();
bool IsOK();
void Flush();
void SetBufferSize( int nBytes );
int Read( void* pBuffer, int nLength );
int Read( void* pBuffer, int nDestSize, int nLength );
int Write( const void* pBuffer, int nLength );
int Seek( int64 nOffset, int nWhence );
int Tell();
int Size();
int64 AbsoluteBaseOffset();
bool EndOfFile();
char *m_pszTrueFileName;
char const *Name() const { return m_pszTrueFileName ? m_pszTrueFileName : ""; }
void SetName( char const *pName )
{
Assert( pName );
Assert( !m_pszTrueFileName );
int len = Q_strlen( pName );
m_pszTrueFileName = new char[len + 1];
memcpy( m_pszTrueFileName, pName, len + 1 );
}
CPackFileHandle *m_pPackFileHandle;
#ifdef SUPPORT_VPK
CPackedStoreFileHandle m_VPKHandle;
#endif
int64 m_nLength;
FileType_t m_type;
FILE *m_pFile;
protected:
CBaseFileSystem *m_fs;
#ifdef _PS3
// FOURCCs generate a warning on PS3
enum
{
MAGIC = 0xABCDABCD,
FREE_MAGIC = 0xDEADBEEF
};
#else // !_PS3
enum
{
MAGIC = 'CFHa',
FREE_MAGIC = 'FreM'
};
#endif // _PS3
unsigned int m_nMagic;
bool IsValid();
};
// A pack file handle - essentially represents a file inside the pack file.
// Note, there is no provision for compression here at the current time.
class CPackFileHandle
{
public:
inline CPackFileHandle( CPackFile* pOwner, int64 nBase, unsigned int nLength, unsigned int nIndex = -1, unsigned int nFilePointer = 0 );
inline ~CPackFileHandle();
int Read( void* pBuffer, int nDestSize, int nBytes );
int Seek( int nOffset, int nWhence );
int Tell() { return m_nFilePointer; }
int Size() { return m_nLength; }
inline void SetBufferSize( int nBytes );
inline int GetSectorSize();
inline int64 AbsoluteBaseOffset();
protected:
int64 m_nBase; // Base offset of the file inside the pack file.
unsigned int m_nFilePointer; // Current seek pointer (0 based from the beginning of the file).
CPackFile* m_pOwner; // Pack file that owns this handle
unsigned int m_nLength; // Length of this file.
unsigned int m_nIndex; // Index into the pack's directory table
};
//-----------------------------------------------------------------------------
class CPackFile : public CRefCounted<CRefCountServiceMT>
{
public:
inline CPackFile();
inline virtual ~CPackFile();
// The means by which you open files:
virtual CFileHandle *OpenFile( const char *pFileName, const char *pOptions = "rb" );
// The two functions a pack file must provide
virtual bool Prepare( int64 fileLen = -1, int64 nFileOfs = 0 ) = 0;
virtual bool FindFile( const char *pFilename, int &nIndex, int64 &nPosition, int &nLength ) = 0;
// This is the core IO routine for reading anything from a pack file, everything should go through here at some point
virtual int ReadFromPack( int nIndex, void* buffer, int nDestBytes, int nBytes, int64 nOffset );
// Returns the filename for a given file in the pack. Returns true if a filename is found, otherwise buffer is filled with "unknown"
virtual bool IndexToFilename( int nIndex, char* buffer, int nBufferSize ) = 0;
inline int GetSectorSize();
virtual void SetupPreloadData() {}
virtual void DiscardPreloadData() {}
virtual int64 GetPackFileBaseOffset() = 0;
virtual CRC32_t GetKVPoolKey() { return 0; }
virtual bool GetStringFromKVPool( unsigned int key, char *pOutBuff, int buflen ) { return false; }
// Note: threading model for pack files assumes that data
// is segmented into pack files that aggregate files
// meant to be read in one thread. Performance characteristics
// tuned for that case
CThreadFastMutex m_mutex;
// Path management:
void SetPath( const CUtlSymbol &path ) { m_Path = path; }
const CUtlSymbol& GetPath() const { Assert( m_Path != UTL_INVAL_SYMBOL ); return m_Path; }
CUtlSymbol m_Path;
// possibly embedded pack
int64 m_nBaseOffset;
CUtlString m_ZipName;
bool m_bIsMapPath;
long m_lPackFileTime;
int m_refCount;
int m_nOpenFiles;
FILE *m_hPackFileHandleFS;
#ifdef SUPPORT_VPK
CPackedStoreFileHandle m_hPackFileHandleVPK;
#endif
bool m_bIsExcluded;
int m_PackFileID;
protected:
int64 m_FileLength;
CBaseFileSystem *m_fs;
friend class CPackFileHandle;
};
class CZipPackFile : public CPackFile
{
public:
CZipPackFile( CBaseFileSystem* fs, void *pSection = NULL );
~CZipPackFile();
// Loads the pack file
virtual bool Prepare( int64 fileLen = -1, int64 nFileOfs = 0 );
virtual bool FindFile( const char *pFilename, int &nIndex, int64 &nOffset, int &nLength );
virtual int ReadFromPack( int nIndex, void* buffer, int nDestBytes, int nBytes, int64 nOffset );
int64 GetPackFileBaseOffset() { return m_nBaseOffset; }
bool IndexToFilename( int nIndex, char *pBuffer, int nBufferSize );
virtual CRC32_t GetKVPoolKey();
virtual bool GetStringFromKVPool( unsigned int key, char *pOutBuff, int buflen );
protected:
#pragma pack(1)
typedef struct
{
char name[ 112 ];
int64 filepos;
int64 filelen;
} packfile64_t;
typedef struct
{
char id[ 4 ];
int64 dirofs;
int64 dirlen;
} packheader64_t;
typedef struct
{
char id[ 8 ];
int64 packheaderpos;
int64 originalfilesize;
} packappenededheader_t;
#pragma pack()
// A Pack file directory entry:
class CPackFileEntry
{
public:
unsigned int m_nPosition;
unsigned int m_nLength;
unsigned int m_HashName;
unsigned short m_nPreloadIdx;
unsigned short pad;
FileNameHandle_t m_hDebugFilename;
};
class CPackFileLessFunc
{
public:
bool Less( CPackFileEntry const& src1, CPackFileEntry const& src2, void *pCtx );
};
// Find a file inside a pack file:
const CPackFileEntry* FindFile( const char* pFileName );
// Entries to the individual files stored inside the pack file.
CUtlSortVector< CPackFileEntry, CPackFileLessFunc > m_PackFiles;
bool GetOffsetAndLength( const char *FileName, int &nBaseIndex, int64 &nFileOffset, int &nLength );
// Preload Support
void SetupPreloadData();
void DiscardPreloadData();
ZIP_PreloadDirectoryEntry* GetPreloadEntry( int nEntryIndex );
int64 m_nPreloadSectionOffset;
unsigned int m_nPreloadSectionSize;
ZIP_PreloadHeader *m_pPreloadHeader;
unsigned short* m_pPreloadRemapTable;
ZIP_PreloadDirectoryEntry *m_pPreloadDirectory;
void* m_pPreloadData;
CByteswap m_swap;
CRC32_t m_KVPoolKey;
CUtlFilenameSymbolTable m_KVStringPool;
void *m_pSection;
};
class CFileLoadInfo
{
public:
bool m_bSteamCacheOnly; // If Steam and this is true, then the file is only looked for in the Steam caches.
bool m_bLoadedFromSteamCache; // If Steam, this tells whether the file was loaded off disk or the Steam cache.
#ifdef _PS3
Ps3FileType_t m_ps3Filetype;
#endif
};
//-----------------------------------------------------------------------------
#ifdef AsyncRead
#undef AsyncRead
#undef AsyncReadMutiple
#endif
//-----------------------------------------------------------------------------
abstract_class CBaseFileSystem : public CTier2AppSystem< IFileSystem >
{
friend class CPackFileHandle;
friend class CPackFile;
friend class CXZipPackFile;
friend class CFileHandle;
friend class CFileTracker;
friend class CFileTracker2;
friend class CFileOpenInfo;
typedef CTier2AppSystem< IFileSystem > BaseClass;
public:
CBaseFileSystem();
~CBaseFileSystem();
// Methods of IAppSystem
virtual void *QueryInterface( const char *pInterfaceName );
virtual InitReturnVal_t Init();
virtual void Shutdown();
void InitAsync();
void ShutdownAsync();
void ParsePathID( const char* &pFilename, const char* &pPathID, char tempPathID[MAX_PATH] );
// file handling
virtual FileHandle_t Open( const char *pFileName, const char *pOptions, const char *pathID );
virtual FileHandle_t OpenEx( const char *pFileName, const char *pOptions, unsigned flags = 0, const char *pathID = 0, char **ppszResolvedFilename = NULL );
virtual void Close( FileHandle_t );
virtual void Seek( FileHandle_t file, int pos, FileSystemSeek_t method );
virtual unsigned int Tell( FileHandle_t file );
virtual unsigned int Size( FileHandle_t file );
virtual unsigned int Size( const char *pFileName, const char *pPathID );
virtual void SetBufferSize( FileHandle_t file, unsigned nBytes );
virtual bool IsOk( FileHandle_t file );
virtual void Flush( FileHandle_t file );
virtual bool Precache( const char *pFileName, const char *pPathID );
virtual bool EndOfFile( FileHandle_t file );
virtual int Read( void *pOutput, int size, FileHandle_t file );
virtual int ReadEx( void* pOutput, int sizeDest, int size, FileHandle_t file );
virtual int Write( void const* pInput, int size, FileHandle_t file );
virtual char *ReadLine( char *pOutput, int maxChars, FileHandle_t file );
virtual int FPrintf( FileHandle_t file, PRINTF_FORMAT_STRING const char *pFormat, ... ) FMTFUNCTION( 3, 4 );
// Reads/writes files to utlbuffers
virtual bool ReadFile( const char *pFileName, const char *pPath, CUtlBuffer &buf, int nMaxBytes, int nStartingByte, FSAllocFunc_t pfnAlloc = NULL );
virtual bool WriteFile( const char *pFileName, const char *pPath, CUtlBuffer &buf );
virtual bool UnzipFile( const char *pFileName, const char *pPath, const char *pDestination );
virtual int ReadFileEx( const char *pFileName, const char *pPath, void **ppBuf, bool bNullTerminate, bool bOptimalAlloc, int nMaxBytes = 0, int nStartingByte = 0, FSAllocFunc_t pfnAlloc = NULL );
virtual bool ReadToBuffer( FileHandle_t hFile, CUtlBuffer &buf, int nMaxBytes = 0, FSAllocFunc_t pfnAlloc = NULL );
// Optimal buffer
bool GetOptimalIOConstraints( FileHandle_t hFile, unsigned *pOffsetAlign, unsigned *pSizeAlign, unsigned *pBufferAlign );
void *AllocOptimalReadBuffer( FileHandle_t hFile, unsigned nSize, unsigned nOffset ) { return malloc( nSize ); }
void FreeOptimalReadBuffer( void *p ) { free( p ); }
// Gets the current working directory
virtual bool GetCurrentDirectory( char* pDirectory, int maxlen );
// this isn't implementable on STEAM as is.
virtual void CreateDirHierarchy( const char *path, const char *pathID );
// returns true if the file is a directory
virtual bool IsDirectory( const char *pFileName, const char *pathID );
// path info
virtual const char *GetLocalPath( const char *pFileName, char *pLocalPath, int localPathBufferSize );
virtual bool FullPathToRelativePath( const char *pFullpath, char *pRelative, int maxlen );
// removes a file from disk
virtual void RemoveFile( char const* pRelativePath, const char *pathID );
// Remove all search paths (including write path?)
virtual void RemoveAllSearchPaths( void );
// Purpose: Removes all search paths for a given pathID, such as all "GAME" paths.
virtual void RemoveSearchPaths( const char *pathID );
// STUFF FROM IFileSystem
// Add paths in priority order (mod dir, game dir, ....)
// Can also add pak files (errr, NOT YET!)
virtual void AddSearchPath( const char *pPath, const char *pathID, SearchPathAdd_t addType );
virtual bool RemoveSearchPath( const char *pPath, const char *pathID );
virtual void PrintSearchPaths( void );
virtual void MarkPathIDByRequestOnly( const char *pPathID, bool bRequestOnly );
virtual bool IsFileInReadOnlySearchPath(const char *pPath, const char *pathID = 0);
virtual bool FileExists( const char *pFileName, const char *pPathID = NULL );
virtual long GetFileTime( const char *pFileName, const char *pPathID = NULL );
virtual bool IsFileWritable( char const *pFileName, const char *pPathID = NULL );
virtual bool SetFileWritable( char const *pFileName, bool writable, const char *pPathID = 0 );
virtual void FileTimeToString( char *pString, int maxChars, long fileTime );
virtual const char *FindFirst( const char *pWildCard, FileFindHandle_t *pHandle );
virtual const char *FindFirstEx( const char *pWildCard, const char *pPathID, FileFindHandle_t *pHandle );
virtual const char *FindNext( FileFindHandle_t handle );
virtual bool FindIsDirectory( FileFindHandle_t handle );
virtual void FindClose( FileFindHandle_t handle );
virtual void FindFileAbsoluteList( CUtlVector< CUtlString > &outAbsolutePathNames, const char *pWildCard, const char *pPathID );
virtual void PrintOpenedFiles( void );
virtual void SetWarningFunc( void (*pfnWarning)( const char *fmt, ... ) );
virtual void SetWarningLevel( FileWarningLevel_t level );
virtual void AddLoggingFunc( FileSystemLoggingFunc_t logFunc );
virtual void RemoveLoggingFunc( FileSystemLoggingFunc_t logFunc );
virtual bool RenameFile( char const *pOldPath, char const *pNewPath, const char *pathID );
virtual void GetLocalCopy( const char *pFileName );
virtual FileNameHandle_t FindOrAddFileName( char const *pFileName );
virtual FileNameHandle_t FindFileName( char const *pFileName );
virtual bool String( const FileNameHandle_t& handle, char *buf, int buflen );
virtual int GetPathIndex( const FileNameHandle_t &handle );
long GetPathTime( const char *pFileName, const char *pPathID );
bool ShouldGameReloadFile( const char *pFilename );
virtual void EnableWhitelistFileTracking( bool bEnable, bool bCacheAllVPKHashes, bool bRecalculateAndCheckHashes );
virtual void RegisterFileWhitelist( IFileList *pWantCRCList, IFileList *pAllowFromDiskList, IFileList **pFilesToReload );
virtual void MarkAllCRCsUnverified();
virtual void CacheFileCRCs( const char *pPathname, ECacheCRCType eType, IFileList *pFilter );
void CacheFileCRCs_R( const char *pPathname, ECacheCRCType eType, IFileList *pFilter, CUtlDict<int,int> &searchPathNames );
virtual EFileCRCStatus CheckCachedFileHash( const char *pPathID, const char *pRelativeFilename, int nFileFraction, FileHash_t *pFileHash );
virtual int GetUnverifiedFileHashes( CUnverifiedFileHash *pFiles, int nMaxFiles );
virtual int GetWhitelistSpewFlags();
virtual void SetWhitelistSpewFlags( int flags );
virtual void InstallDirtyDiskReportFunc( FSDirtyDiskReportFunc_t func );
virtual void CacheAllVPKFileHashes( bool bCacheAllVPKHashes, bool bRecalculateAndCheckHashes );
virtual bool CheckVPKFileHash( int PackFileID, int nPackFileNumber, int nFileFraction, MD5Value_t &md5Value );
// Returns the file system statistics retreived by the implementation. Returns NULL if not supported.
virtual const FileSystemStatistics *GetFilesystemStatistics();
// GetVPKFileStatisticsKV
virtual void GetVPKFileStatisticsKV( KeyValues *pKV );
// Load dlls
virtual CSysModule *LoadModule( const char *pFileName, const char *pPathID, bool bValidatedDllOnly );
virtual void UnloadModule( CSysModule *pModule );
//--------------------------------------------------------
// asynchronous file loading
//--------------------------------------------------------
virtual FSAsyncStatus_t AsyncReadMultiple( const FileAsyncRequest_t *pRequests, int nRequests, FSAsyncControl_t *pControls );
virtual FSAsyncStatus_t AsyncReadMultipleCreditAlloc( const FileAsyncRequest_t *pRequests, int nRequests, const char *pszFile, int line, FSAsyncControl_t *phControls = NULL );
virtual FSAsyncStatus_t AsyncDirectoryScan( const char* pSearchSpec, bool recurseFolders, void* pContext, FSAsyncScanAddFunc_t pfnAdd, FSAsyncScanCompleteFunc_t pfnDone, FSAsyncControl_t *pControl = NULL );
virtual FSAsyncStatus_t AsyncFinish( FSAsyncControl_t hControl, bool wait );
virtual FSAsyncStatus_t AsyncGetResult( FSAsyncControl_t hControl, void **ppData, int *pSize );
virtual FSAsyncStatus_t AsyncAbort( FSAsyncControl_t hControl );
virtual FSAsyncStatus_t AsyncStatus( FSAsyncControl_t hControl );
virtual FSAsyncStatus_t AsyncSetPriority(FSAsyncControl_t hControl, int newPriority);
virtual FSAsyncStatus_t AsyncFlush();
virtual FSAsyncStatus_t AsyncAppend(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, FSAsyncControl_t *pControl) { return AsyncWrite( pFileName, pSrc, nSrcBytes, bFreeMemory, true, pControl); }
virtual FSAsyncStatus_t AsyncWrite(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend, FSAsyncControl_t *pControl);
virtual FSAsyncStatus_t AsyncWriteFile(const char *pFileName, const CUtlBuffer *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend, FSAsyncControl_t *pControl);
virtual FSAsyncStatus_t AsyncAppendFile(const char *pDestFileName, const char *pSrcFileName, FSAsyncControl_t *pControl);
virtual void AsyncFinishAll( int iToPriority = INT_MIN );
virtual void AsyncFinishAllWrites();
virtual bool AsyncSuspend();
virtual bool AsyncResume();
virtual void AsyncAddRef( FSAsyncControl_t hControl );
virtual void AsyncRelease( FSAsyncControl_t hControl );
virtual FSAsyncStatus_t AsyncBeginRead( const char *pszFile, FSAsyncFile_t *phFile );
virtual FSAsyncStatus_t AsyncEndRead( FSAsyncFile_t hFile );
//--------------------------------------------------------
// pack files
//--------------------------------------------------------
bool AddPackFile( const char *pFileName, const char *pathID );
bool AddPackFileFromPath( const char *pPath, const char *pakfile, bool bCheckForAppendedPack, const char *pathID );
// converts a partial path into a full path
// can be filtered to restrict path types and can provide info about resolved path
virtual const char *RelativePathToFullPath( const char *pFileName, const char *pPathID, char *pFullPath, int fullPathBufferSize, PathTypeFilter_t pathFilter = FILTER_NONE, PathTypeQuery_t *pPathType = NULL );
#if IsGameConsole()
virtual bool GetPackFileInfoFromRelativePath( const char *pFileName, const char *pPathID, char *pPackPath, int nPackPathBufferSize, int64 &nPosition, int64 &nLength );
#endif
// Returns the search path, each path is separated by ;s. Returns the length of the string returned
virtual int GetSearchPath( const char *pathID, bool bGetPackFiles, char *pPath, int nMaxLen );
virtual int GetSearchPathID( char *pPath, int nMaxLen );
#if defined( TRACK_BLOCKING_IO )
virtual void EnableBlockingFileAccessTracking( bool state );
virtual bool IsBlockingFileAccessEnabled() const;
virtual IBlockingFileItemList *RetrieveBlockingFileAccessInfo();
virtual void RecordBlockingFileAccess( bool synchronous, const FileBlockingItem& item );
virtual bool SetAllowSynchronousLogging( bool state );
#endif
virtual bool GetFileTypeForFullPath( char const *pFullPath, wchar_t *buf, size_t bufSizeInBytes );
virtual void BeginMapAccess();
virtual void EndMapAccess();
virtual bool FullPathToRelativePathEx( const char *pFullpath, const char *pPathId, char *pRelative, int maxlen );
FSAsyncStatus_t SyncRead( const FileAsyncRequest_t &request );
FSAsyncStatus_t SyncWrite(const char *pszFilename, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend );
FSAsyncStatus_t SyncAppendFile(const char *pAppendToFileName, const char *pAppendFromFileName );
FSAsyncStatus_t SyncGetFileSize( const FileAsyncRequest_t &request );
void DoAsyncCallback( const FileAsyncRequest_t &request, void *pData, int nBytesRead, FSAsyncStatus_t result );
void SetupPreloadData();
void DiscardPreloadData();
// If the "PreloadedData" hasn't been purged, then this'll try and instance the KeyValues using the fast path of compiled keyvalues loaded during startup.
// Otherwise, it'll just fall through to the regular KeyValues loading routines
virtual KeyValues *LoadKeyValues( KeyValuesPreloadType_t type, char const *filename, char const *pPathID = 0 );
virtual bool LoadKeyValues( KeyValues& head, KeyValuesPreloadType_t type, char const *filename, char const *pPathID = 0 );
virtual DVDMode_t GetDVDMode() { return m_DVDMode; }
virtual bool IsLaunchedFromXboxHDD() { return m_bLaunchedFromXboxHDD; }
virtual bool IsInstalledToXboxHDDCache() { return m_bFoundXboxImageInCache; }
virtual bool IsDVDHosted() { return m_bDVDHosted; }
virtual bool IsInstallAllowed() { return m_bAllowXboxInstall; }
virtual bool FixupSearchPathsAfterInstall();
virtual FSDirtyDiskReportFunc_t GetDirtyDiskReportFunc() { return m_DirtyDiskReportFunc; }
virtual void AddVPKFile( char const *pszName, SearchPathAdd_t addType = PATH_ADD_TO_TAIL );
virtual void RemoveVPKFile( char const *pszName );
virtual void GetVPKFileNames( CUtlVector<CUtlString> &destVector );
virtual void RemoveAllMapSearchPaths( void );
void BuildExcludeList();
virtual void SyncDvdDevCache();
bool FixupFATXFilename( const char *pFilename, char *pOutFilename, int nOutSize );
virtual bool GetStringFromKVPool( CRC32_t poolKey, unsigned int key, char *pOutBuff, int buflen );
virtual bool DiscoverDLC( int iController );
virtual int IsAnyDLCPresent( bool *pbDLCSearchPathMounted = NULL );
virtual bool GetAnyDLCInfo( int iDLC, unsigned int *pLicenseMask, wchar_t *pTitleBuff, int nOutTitleSize );
virtual int IsAnyCorruptDLC();
virtual bool GetAnyCorruptDLCInfo( int iCorruptDLC, wchar_t *pTitleBuff, int nOutTitleSize );
virtual bool AddDLCSearchPaths();
virtual bool IsSpecificDLCPresent( unsigned int nDLCPackage );
void PrintDLCInfo();
virtual void SetIODelayAlarm( float flTime );
virtual bool AddXLSPUpdateSearchPath( const void *pData, int nSize );
virtual IIoStats *GetIoStats();
public:
//------------------------------------
// Synchronous path for file operations
//------------------------------------
class CPathIDInfo
{
public:
const CUtlSymbol& GetPathID() const;
const char* GetPathIDString() const;
void SetPathID( CUtlSymbol id );
public:
// See MarkPathIDByRequestOnly.
bool m_bByRequestOnly;
private:
CUtlSymbol m_PathID;
const char *m_pDebugPathID;
};
////////////////////////////////////////////////
// IMPLEMENTATION DETAILS FOR CBaseFileSystem //
////////////////////////////////////////////////
class CSearchPath
{
public:
CSearchPath( void );
~CSearchPath( void );
const char* GetPathString() const;
// Path ID ("game", "mod", "gamebin") accessors.
const CUtlSymbol& GetPathID() const;
const char* GetPathIDString() const;
// Search path (c:\hl2\hl2) accessors.
void SetPath( CUtlSymbol id );
const CUtlSymbol& GetPath() const;
void SetPackFile(CPackFile *pPackFile) { m_pPackFile = pPackFile; }
CPackFile *GetPackFile() const { return m_pPackFile; }
int m_storeId;
// Used to track if its search
CPathIDInfo *m_pPathIDInfo;
bool m_bIsDvdDevPath;
private:
CUtlSymbol m_Path;
const char *m_pDebugPath;
CPackFile *m_pPackFile;
public:
bool m_bIsLocalizedPath;
};
static void MarkLocalizedPath( CSearchPath *sp );
class CSearchPathsVisits
{
public:
void Reset()
{
m_Visits.RemoveAll();
}
bool MarkVisit( const CSearchPath &searchPath )
{
if ( m_Visits.Find( searchPath.m_storeId ) == m_Visits.InvalidIndex() )
{
MEM_ALLOC_CREDIT();
m_Visits.AddToTail( searchPath.m_storeId );
return false;
}
return true;
}
private:
CUtlVector<int> m_Visits; // This is a copy of IDs for the search paths we've visited, so
};
class CSearchPathsIterator
{
public:
CSearchPathsIterator( CBaseFileSystem *pFileSystem, const char **ppszFilename, const char *pszPathID, PathTypeFilter_t pathTypeFilter = FILTER_NONE )
: m_iCurrent( -1 ),
m_PathTypeFilter( pathTypeFilter ),
m_bExcluded( false )
{
char tempPathID[MAX_PATH];
if ( *ppszFilename && (*ppszFilename)[0] == '/' && (*ppszFilename)[1] == '/' ) // ONLY '//' (and not '\\') for our special format
{
// Allow for UNC-type syntax to specify the path ID.
pFileSystem->ParsePathID( *ppszFilename, pszPathID, tempPathID );
}
if ( pszPathID )
{
m_pathID = g_PathIDTable.AddString( pszPathID );
}
else
{
m_pathID = UTL_INVAL_SYMBOL;
}
if ( *ppszFilename && !Q_IsAbsolutePath( *ppszFilename ) )
{
// Copy paths to minimize mutex lock time
pFileSystem->m_SearchPathsMutex.Lock();
CopySearchPaths( pFileSystem->m_SearchPaths );
pFileSystem->m_SearchPathsMutex.Unlock();
V_strncpy( m_Filename, *ppszFilename, sizeof( m_Filename ) );
V_FixSlashes( m_Filename );
}
else
{
// If it's an absolute path, it isn't worth using the paths at all. Simplify
// client logic by pretending there's a search path of 1
m_EmptyPathIDInfo.m_bByRequestOnly = false;
m_EmptySearchPath.m_pPathIDInfo = &m_EmptyPathIDInfo;
m_EmptySearchPath.SetPath( m_pathID );
m_EmptySearchPath.m_storeId = -1;
m_Filename[0] = '\0';
}
}
CSearchPathsIterator( CBaseFileSystem *pFileSystem, const char *pszPathID, PathTypeFilter_t pathTypeFilter = FILTER_NONE )
: m_iCurrent( -1 ),
m_PathTypeFilter( pathTypeFilter ),
m_bExcluded( false )
{
if ( pszPathID )
{
m_pathID = g_PathIDTable.AddString( pszPathID );
}
else
{
m_pathID = UTL_INVAL_SYMBOL;
}
// Copy paths to minimize mutex lock time
pFileSystem->m_SearchPathsMutex.Lock();
CopySearchPaths( pFileSystem->m_SearchPaths );
pFileSystem->m_SearchPathsMutex.Unlock();
m_Filename[0] = '\0';
}
CSearchPath *GetFirst();
CSearchPath *GetNext();
private:
CSearchPathsIterator( const CSearchPathsIterator & );
void operator=(const CSearchPathsIterator &);
void CopySearchPaths( const CUtlVector<CSearchPath> &searchPaths )
{
m_SearchPaths = searchPaths;
for ( int i = 0; i < m_SearchPaths.Count(); i++ )
{
if ( m_SearchPaths[i].GetPackFile() )
{
m_SearchPaths[i].GetPackFile()->AddRef();
}
}
}
int m_iCurrent;
CUtlSymbol m_pathID;
CUtlVector<CSearchPath> m_SearchPaths;
CSearchPathsVisits m_visits;
CSearchPath m_EmptySearchPath;
CPathIDInfo m_EmptyPathIDInfo;
PathTypeFilter_t m_PathTypeFilter;
char m_Filename[MAX_PATH]; // set for relative names only
bool m_bExcluded;
};
friend class CSearchPathsIterator;
struct FindData_t
{
WIN32_FIND_DATA findData;
int currentSearchPathID;
CUtlVector<char> wildCardString;
HANDLE findHandle;
CSearchPathsVisits m_VisitedSearchPaths; // This is a copy of IDs for the search paths we've visited, so avoids searching duplicate paths.
int m_CurrentStoreID; // CSearchPath::m_storeId of the current search path.
CUtlSymbol m_FilterPathID; // What path ID are we looking at? Ignore all others. (Only set by FindFirstEx).
CUtlDict<int,int> m_VisitedFiles; // We go through the search paths in priority order, and we use this to make sure
// that we don't return the same file more than once.
#ifdef SUPPORT_VPK
CUtlStringList m_fileMatchesFromVPK;
CUtlStringList m_dirMatchesFromVPK;
#endif
};
friend class CSearchPath;
CWhitelistHolder m_FileWhitelist;
int m_WhitelistSpewFlags; // Combination of WHITELIST_SPEW_ flags.
// logging functions
CUtlVector< FileSystemLoggingFunc_t > m_LogFuncs;
CThreadMutex m_SearchPathsMutex;
CUtlVector< CSearchPath > m_SearchPaths;
CUtlVector<CPathIDInfo*> m_PathIDInfos;
CUtlLinkedList<FindData_t> m_FindData;
CUtlVector<CFileHandleTimer*> m_FileHandleTimers; // Used to debug approximate times for each file read
CThreadFastMutex m_FileHandleTimersMutex;
int m_iMapLoad;
// Global list of pack file handles
CUtlVector<CPackFile *> m_ZipFiles;
FILE *m_pLogFile;
bool m_bOutputDebugString;
IThreadPool * m_pThreadPool;
// Statistics:
FileSystemStatistics m_Stats;
#ifdef SUPPORT_IODELAY_MONITORING
float m_flDelayLimit;
float m_flLastIOTime;
FORCEINLINE void NoteIO( void )
{
if ( m_pDelayThread )
{
m_flLastIOTime = Plat_FloatTime();
}
}
CIODelayAlarmThread *m_pDelayThread;
#else
FORCEINLINE void NoteIO( void )
{
}
#endif
#if defined( TRACK_BLOCKING_IO )
CBlockingFileItemList *m_pBlockingItems;
bool m_bBlockingFileAccessReportingEnabled;
bool m_bAllowSynchronousLogging;
friend class CBlockingFileItemList;
friend class CAutoBlockReporter;
#endif
CFileTracker2 m_FileTracker2;
protected:
//----------------------------------------------------------------------------
// Purpose: Functions implementing basic file system behavior.
//----------------------------------------------------------------------------
virtual FILE *FS_fopen( const char *filename, const char *options, unsigned flags, int64 *size, CFileLoadInfo *pInfo ) = 0;
virtual void FS_setbufsize( FILE *fp, unsigned nBytes ) = 0;
virtual void FS_fclose( FILE *fp ) = 0;
virtual void FS_fseek( FILE *fp, int64 pos, int seekType ) = 0;
virtual long FS_ftell( FILE *fp ) = 0;
virtual int FS_feof( FILE *fp ) = 0;
size_t FS_fread( void *dest, size_t size, FILE *fp ) { return FS_fread( dest, (size_t)-1, size, fp ); }
virtual size_t FS_fread( void *dest, size_t destSize, size_t size, FILE *fp ) = 0;
virtual size_t FS_fwrite( const void *src, size_t size, FILE *fp ) = 0;
virtual bool FS_setmode( FILE *fp, FileMode_t mode ) { return false; }
virtual size_t FS_vfprintf( FILE *fp, const char *fmt, va_list list ) = 0;
virtual int FS_ferror( FILE *fp ) = 0;
virtual int FS_fflush( FILE *fp ) = 0;
virtual char *FS_fgets( char *dest, int destSize, FILE *fp ) = 0;
virtual int FS_stat( const char *path, struct _stat *buf ) = 0;
virtual int FS_chmod( const char *path, int pmode ) = 0;
virtual HANDLE FS_FindFirstFile( const char *findname, WIN32_FIND_DATA *dat) = 0;
virtual bool FS_FindNextFile(HANDLE handle, WIN32_FIND_DATA *dat) = 0;
virtual bool FS_FindClose(HANDLE handle) = 0;
virtual int FS_GetSectorSize( FILE * ) { return 1; }
#if defined( TRACK_BLOCKING_IO )
void BlockingFileAccess_EnterCriticalSection();
void BlockingFileAccess_LeaveCriticalSection();
CThreadMutex m_BlockingFileMutex;
#endif
void GetFileNameForHandle( FileHandle_t handle, char *buf, size_t buflen );
protected:
//-----------------------------------------------------------------------------
// Purpose: For tracking unclosed files
// NOTE: The symbol table could take up memory that we don't want to eat here.
// In that case, we shouldn't store them in a table, or we should store them as locally allocates stings
// so we can control the size
//-----------------------------------------------------------------------------
class COpenedFile
{
public:
COpenedFile( void );
~COpenedFile( void );
COpenedFile( const COpenedFile& src );
bool operator==( const COpenedFile& src ) const;
void SetName( char const *name );
char const *GetName( void );
FILE *m_pFile;
char *m_pName;
};
//CUtlRBTree< COpenedFile, int > m_OpenedFiles;
CThreadMutex m_OpenedFilesMutex;
CUtlVector <COpenedFile> m_OpenedFiles;
CUtlStringMap< bool > m_NonexistingFilesExtensions;
#ifdef NONEXISTING_FILES_CACHE_SUPPORT
CUtlStringMap< double > m_NonexistingFilesCache;
#endif
static bool OpenedFileLessFunc( COpenedFile const& src1, COpenedFile const& src2 );
FileWarningLevel_t m_fwLevel;
void (*m_pfnWarning)( const char *fmt, ... );
FILE *Trace_FOpen( const char *filename, const char *options, unsigned flags, int64 *size, CFileLoadInfo *pInfo=NULL );
void Trace_FClose( FILE *fp );
void Trace_FRead( int size, FILE* file );
void Trace_FWrite( int size, FILE* file );
void Trace_DumpUnclosedFiles( void );
public:
void LogAccessToFile( char const *accesstype, char const *fullpath, char const *options );
void FileSystemWarning( FileWarningLevel_t level, const char *fmt, ... );
protected:
// Note: if pFoundStoreID is passed in, then it will set that to the CSearchPath::m_storeId value of the search path it found the file in.
const char* FindFirstHelper( const char *pWildCard, const char *pPathID, FileFindHandle_t *pHandle, int *pFoundStoreID );
bool FindNextFileHelper( FindData_t *pFindData, int *pFoundStoreID );
void FindFileAbsoluteListHelper( CUtlVector< CUtlString > &outAbsolutePathNames, FindData_t &findData, const char *pAbsoluteFindName );
void AddMapPackFile( const char *pPath, const char *pPathID, SearchPathAdd_t addType );
void AddPackFiles( const char *pPath, const CUtlSymbol &pathID, SearchPathAdd_t addType, int iForceInsertIndex = 0 );
bool PreparePackFile( CPackFile &packfile, int offsetofpackinmetafile, int64 filelen );
// Goes through all the search paths (or just the one specified) and calls FindFile on them. Returns the first successful result, if any.
FileHandle_t FindFileInSearchPaths( const char *pFileName, const char *pOptions, const char *pathID, unsigned flags, char **ppszResolvedFilename = NULL, bool bTrackCRCs=false );
bool HandleOpenFromZipFile( CFileOpenInfo &openInfo );
void HandleOpenFromPackFile( CPackFile *pPackFile, CFileOpenInfo &openInfo );
void HandleOpenRegularFile( CFileOpenInfo &openInfo, bool bIsAbsolutePath );
FileHandle_t FindFile( const CSearchPath *path, const char *pFileName, const char *pOptions, unsigned flags, char **ppszResolvedFilename = NULL, bool bTrackCRCs=false );
int FastFindFile( const CSearchPath *path, const char *pFileName );
long FastFileTime( const CSearchPath *path, const char *pFileName );
const char *GetWritePath( const char *pFilename, const char *pathID );
// Computes a full write path
void ComputeFullWritePath( char* pDest, int maxlen, const char *pWritePathID, char const *pRelativePath );
void AddSearchPathInternal( const char *pPath, const char *pathID, SearchPathAdd_t addType, bool bAddPackFiles, int iForceInsertIndex = 0 );
// Opens a file for read or write
FileHandle_t OpenForRead( const char *pFileName, const char *pOptions, unsigned flags, const char *pathID, char **ppszResolvedFilename = NULL );
FileHandle_t OpenForWrite( const char *pFileName, const char *pOptions, const char *pathID );
CSearchPath *FindWritePath( const char *pFilename, const char *pathID );
// Helper function for fs_log file logging
void LogFileAccess( const char *pFullFileName );
#if IsPlatformPS3()
virtual bool PrefetchFile( const char *pFileName, int nPriority, bool bPersist );
virtual bool PrefetchFile( const char *pFileName, int nPriority, bool bPersist, int64 nOffset, int64 nSize );
virtual void FlushCache();
virtual void SuspendPrefetches( const char *pWhy );
virtual void ResumePrefetches( const char *pWhy );
virtual void OnSaveStateChanged( bool bSaving );
virtual bool IsPrefetchingDone();
#endif
bool LookupKeyValuesRootKeyName( char const *filename, char const *pPathID, char *rootName, size_t bufsize );
// If bByRequestOnly is -1, then it will default to false if it doesn't already exist, and it
// won't change it if it does already exist. Otherwise, it will be set to the value of bByRequestOnly.
CPathIDInfo* FindOrAddPathIDInfo( const CUtlSymbol &id, int bByRequestOnly );
static bool FilterByPathID( const CSearchPath *pSearchPath, const CUtlSymbol &pathID );
// Global/shared filename/path table
CUtlFilenameSymbolTable m_FileNames;
// This manages most of the info we use for pure servers (whether files came from Steam caches or off-disk, their CRCs, which ones are unverified, etc).
CFileTracker m_FileTracker;
int m_WhitelistFileTrackingEnabled; // -1 if unset, 0 if disabled (single player), 1 if enabled (multiplayer).
FSDirtyDiskReportFunc_t m_DirtyDiskReportFunc;
static CUtlSymbol m_GamePathID;
static CUtlSymbol m_BSPPathID;
static DVDMode_t m_DVDMode;
static bool m_bFoundXboxImageInCache;
static bool m_bLaunchedFromXboxHDD;
static bool m_bDVDHosted;
static bool m_bAllowXboxInstall;
static bool m_bSearchPathsPatchedAfterInstall;
// Pack exclude paths are strictly for 360 to allow holes in search paths and pack files
// which fall through to support new or dynamic data on the host pc.
struct ExcludeFilePath_t
{
FileNameHandle_t m_hName;
FileNameHandle_t m_hFixedName;
};
static CUtlVector< FileNameHandle_t > m_ExcludeFilePaths;
#ifdef SUPPORT_VPK
CUtlVector< CPackedStore *> m_VPKFiles;
CUtlDict<int,int> m_VPKDirectories;
CPackedStoreFileHandle FindFileInVPKs( const char *pFileName );
#endif
static CUtlSortVector< DLCContent_t, CDLCLess > m_DLCContents;
static CUtlVector< DLCCorrupt_t > m_CorruptDLC;
};
inline const CUtlSymbol& CBaseFileSystem::CPathIDInfo::GetPathID() const
{
return m_PathID;
}
inline const char* CBaseFileSystem::CPathIDInfo::GetPathIDString() const
{
return g_PathIDTable.String( m_PathID );
}
inline const char* CBaseFileSystem::CSearchPath::GetPathString() const
{
return g_PathIDTable.String( m_Path );
}
inline void CBaseFileSystem::CPathIDInfo::SetPathID( CUtlSymbol sym )
{
m_PathID = sym;
m_pDebugPathID = GetPathIDString();
}
inline const CUtlSymbol& CBaseFileSystem::CSearchPath::GetPathID() const
{
return m_pPathIDInfo->GetPathID();
}
inline const char* CBaseFileSystem::CSearchPath::GetPathIDString() const
{
return m_pPathIDInfo->GetPathIDString();
}
inline void CBaseFileSystem::CSearchPath::SetPath( CUtlSymbol id )
{
m_Path = id;
m_pDebugPath = g_PathIDTable.String( m_Path );
MarkLocalizedPath( this );
}
inline const CUtlSymbol& CBaseFileSystem::CSearchPath::GetPath() const
{
return m_Path;
}
inline bool CBaseFileSystem::FilterByPathID( const CSearchPath *pSearchPath, const CUtlSymbol &pathID )
{
if ( (UtlSymId_t)pathID == UTL_INVAL_SYMBOL )
{
// They didn't specify a specific search path, so if this search path's path ID is by
// request only, then ignore it.
return pSearchPath->m_pPathIDInfo->m_bByRequestOnly;
}
else
{
// Bit of a hack, but specifying "BSP" as the search path will search in "GAME" for only the map/.bsp pack file path
if ( pathID == m_BSPPathID )
{
if ( pSearchPath->GetPathID() != m_GamePathID )
return true;
if ( !pSearchPath->GetPackFile() )
return true;
if ( !pSearchPath->GetPackFile()->m_bIsMapPath )
return true;
return false;
}
else
{
return (pSearchPath->GetPathID() != pathID);
}
}
}
// Pack file handle implementation:
inline CPackFileHandle::CPackFileHandle( CPackFile* pOwner, int64 nBase, unsigned int nLength, unsigned int nIndex, unsigned int nFilePointer )
{
m_pOwner = pOwner;
m_nBase = nBase;
m_nLength = nLength;
m_nIndex = nIndex;
m_nFilePointer = nFilePointer;
pOwner->AddRef();
}
inline CPackFileHandle::~CPackFileHandle()
{
m_pOwner->m_mutex.Lock();
--m_pOwner->m_nOpenFiles;
if ( m_pOwner->m_nOpenFiles == 0 && m_pOwner->m_bIsMapPath )
{
if ( m_pOwner->m_hPackFileHandleFS )
{
m_pOwner->m_fs->Trace_FClose( m_pOwner->m_hPackFileHandleFS );
m_pOwner->m_hPackFileHandleFS = NULL;
}
}
m_pOwner->Release();
m_pOwner->m_mutex.Unlock();
}
inline void CPackFileHandle::SetBufferSize( int nBytes )
{
if ( m_pOwner->m_hPackFileHandleFS )
{
m_pOwner->m_fs->FS_setbufsize( m_pOwner->m_hPackFileHandleFS, nBytes );
}
}
inline int CPackFileHandle::GetSectorSize()
{
return m_pOwner->GetSectorSize();
}
inline int64 CPackFileHandle::AbsoluteBaseOffset()
{
return m_pOwner->GetPackFileBaseOffset() + m_nBase;
}
// Pack file implementation:
inline CPackFile::CPackFile()
{
m_FileLength = 0;
m_hPackFileHandleFS = NULL;
m_fs = NULL;
m_nBaseOffset = 0;
m_bIsMapPath = false;
m_lPackFileTime = 0L;
m_refCount = 0;
m_nOpenFiles = 0;
m_PackFileID = 0;
}
inline CPackFile::~CPackFile()
{
if ( m_nOpenFiles )
{
Error( "Closing pack file with %d open files!\n", m_nOpenFiles );
}
if ( m_hPackFileHandleFS )
{
m_fs->FS_fclose( m_hPackFileHandleFS );
m_hPackFileHandleFS = NULL;
}
m_fs->m_ZipFiles.FindAndRemove( this );
}
inline int CPackFile::GetSectorSize()
{
if ( m_hPackFileHandleFS )
{
return m_fs->FS_GetSectorSize( m_hPackFileHandleFS );
}
#ifdef SUPPORT_VPK
else if ( m_hPackFileHandleVPK )
{
return 2048;
}
#endif
else
{
return -1;
}
}
#if defined( TRACK_BLOCKING_IO )
class CAutoBlockReporter
{
public:
CAutoBlockReporter( CBaseFileSystem *fs, bool synchronous, char const *filename, int eBlockType, int nTypeOfAccess ) :
m_pFS( fs ),
m_Item( eBlockType, filename, 0.0f, nTypeOfAccess ),
m_bSynchronous( synchronous )
{
Assert( m_pFS );
m_Timer.Start();
}
CAutoBlockReporter( CBaseFileSystem *fs, bool synchronous, FileHandle_t handle, int eBlockType, int nTypeOfAccess ) :
m_pFS( fs ),
m_Item( eBlockType, NULL, 0.0f, nTypeOfAccess ),
m_bSynchronous( synchronous )
{
Assert( m_pFS );
char name[ 512 ];
m_pFS->GetFileNameForHandle( handle, name, sizeof( name ) );
m_Item.SetFileName( name );
m_Timer.Start();
}
~CAutoBlockReporter()
{
m_Timer.End();
m_Item.m_flElapsed = m_Timer.GetDuration().GetSeconds();
m_pFS->RecordBlockingFileAccess( m_bSynchronous, m_Item );
}
private:
CBaseFileSystem *m_pFS;
CFastTimer m_Timer;
FileBlockingItem m_Item;
bool m_bSynchronous;
};
#define AUTOBLOCKREPORTER_FN( name, fs, sync, filename, blockType, accessType ) CAutoBlockReporter block##name( fs, sync, filename, blockType, accessType );
#define AUTOBLOCKREPORTER_FH( name, fs, sync, handle, blockType, accessType ) CAutoBlockReporter block##name( fs, sync, handle, blockType, accessType );
#else
#define AUTOBLOCKREPORTER_FN( name, fs, sync, filename, blockType, accessType ) // Nothing
#define AUTOBLOCKREPORTER_FH( name, fs, sync, handle , blockType, accessType ) // Nothing
#endif
// singleton accessor
CBaseFileSystem *BaseFileSystem();
#include "tier0/memdbgoff.h"
#endif // BASEFILESYSTEM_H