959 lines
38 KiB
C++
959 lines
38 KiB
C++
//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//===========================================================================//
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#ifndef FILESYSTEM_H
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#define FILESYSTEM_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <limits.h>
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#include "tier0/threadtools.h"
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#include "tier0/memalloc.h"
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#include "tier0/tslist.h"
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#include "tier1/interface.h"
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#include "tier1/utlsymbol.h"
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#include "tier1/utlstring.h"
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#include "tier1/functors.h"
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#include "tier1/checksum_crc.h"
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#include "tier1/utlqueue.h"
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#include "appframework/iappsystem.h"
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#include "tier2/tier2.h"
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#ifdef _PS3
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#include <sysutil/sysutil_syscache.h>
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#include <sysutil/sysutil_gamecontent.h>
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struct HddCacheFileStatus;
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extern char gSrcGameDataPath[];
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class CFileGroupSystem;
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#endif
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class CUtlBuffer;
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class KeyValues;
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class IFileList;
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typedef void * FileHandle_t;
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typedef int FileFindHandle_t;
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typedef void (*FileSystemLoggingFunc_t)( const char *fileName, const char *accessType );
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typedef int WaitForResourcesHandle_t;
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#ifdef _X360
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typedef void* HANDLE;
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#endif
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//-----------------------------------------------------------------------------
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// Enums used by the interface
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//-----------------------------------------------------------------------------
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#define FILESYSTEM_MAX_SEARCH_PATHS 128
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enum FileSystemSeek_t
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{
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FILESYSTEM_SEEK_HEAD = SEEK_SET,
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FILESYSTEM_SEEK_CURRENT = SEEK_CUR,
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FILESYSTEM_SEEK_TAIL = SEEK_END,
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};
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enum
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{
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FILESYSTEM_INVALID_FIND_HANDLE = -1
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};
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enum FileWarningLevel_t
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{
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// A problem!
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FILESYSTEM_WARNING = -1,
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// Don't print anything
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FILESYSTEM_WARNING_QUIET = 0,
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// On shutdown, report names of files left unclosed
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FILESYSTEM_WARNING_REPORTUNCLOSED,
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// Report number of times a file was opened, closed
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FILESYSTEM_WARNING_REPORTUSAGE,
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// Report all open/close events to console ( !slow! )
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FILESYSTEM_WARNING_REPORTALLACCESSES,
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// Report all open/close/read events to the console ( !slower! )
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FILESYSTEM_WARNING_REPORTALLACCESSES_READ,
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// Report all open/close/read/write events to the console ( !slower! )
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FILESYSTEM_WARNING_REPORTALLACCESSES_READWRITE,
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// Report all open/close/read/write events and all async I/O file events to the console ( !slower(est)! )
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FILESYSTEM_WARNING_REPORTALLACCESSES_ASYNC,
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};
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// search path filtering
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enum PathTypeFilter_t
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{
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FILTER_NONE = 0, // no filtering, all search path types match
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FILTER_CULLPACK = 1, // pack based search paths are culled (maps and zips)
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FILTER_CULLNONPACK = 2, // non-pack based search paths are culled
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FILTER_CULLLOCALIZED = 3, // Ignore localized paths, assumes CULLNONPACK
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FILTER_CULLLOCALIZED_ANY = 4, // Ignore any localized paths
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};
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// search path querying (bit flags)
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enum
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{
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PATH_IS_NORMAL = 0x00, // normal path, not pack based
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PATH_IS_PACKFILE = 0x01, // path is a pack file
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PATH_IS_MAPPACKFILE = 0x02, // path is a map pack file
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PATH_IS_DVDDEV = 0x04, // path is the dvddev cache
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};
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typedef uint32 PathTypeQuery_t;
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#define IS_PACKFILE( n ) ( n & ( PATH_IS_PACKFILE | PATH_IS_MAPPACKFILE ) )
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#define IS_DVDDEV( n ) ( n & PATH_IS_DVDDEV )
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enum DVDMode_t
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{
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DVDMODE_OFF = 0, // not using dvd
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DVDMODE_STRICT = 1, // dvd device only
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DVDMODE_DEV = 2, // dev mode, mutiple devices ok
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DVDMODE_DEV_VISTA = 3, // dev mode from a vista host, mutiple devices ok
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};
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#ifdef _PS3
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enum FsState_t
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{
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FS_STATE_INIT = 0,
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FS_STATE_LEVEL_LOAD = 1,
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FS_STATE_LEVEL_RUN = 2,
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FS_STATE_LEVEL_RESTORE = 3,
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FS_STATE_LEVEL_LOAD_END = 4,
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FS_STATE_EXITING = 5
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};
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enum Ps3FileType_t
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{
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PS3_FILETYPE_WAV,
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PS3_FILETYPE_ANI,
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PS3_FILETYPE_BSP,
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PS3_FILETYPE_VMT,
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PS3_FILETYPE_QPRE,
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PS3_FILETYPE_OTHER,
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PS3_FILETYPE_DIR,
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PS3_FILETYPE_UNKNOWN
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};
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#endif
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// In non-retail builds, enable the file blocking access tracking stuff...
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#if defined( TRACK_BLOCKING_IO )
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enum FileBlockingWarning_t
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{
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// Report how long synchronous i/o took to complete
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FILESYSTEM_BLOCKING_SYNCHRONOUS = 0,
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// Report how long async i/o took to complete if AsyncFileFinished caused it to load via "blocking" i/o
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FILESYSTEM_BLOCKING_ASYNCHRONOUS_BLOCK,
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// Report how long async i/o took to complete
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FILESYSTEM_BLOCKING_ASYNCHRONOUS,
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// Report how long the async "callback" took
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FILESYSTEM_BLOCKING_CALLBACKTIMING,
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FILESYSTEM_BLOCKING_NUMBINS,
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};
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#pragma pack(1)
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class FileBlockingItem
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{
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public:
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enum
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{
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FB_ACCESS_OPEN = 1,
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FB_ACCESS_CLOSE = 2,
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FB_ACCESS_READ = 3,
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FB_ACCESS_WRITE = 4,
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FB_ACCESS_APPEND = 5,
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FB_ACCESS_SIZE = 6
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};
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FileBlockingItem() :
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m_ItemType( (FileBlockingWarning_t)0 ),
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m_flElapsed( 0.0f ),
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m_nAccessType( 0 )
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{
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SetFileName( NULL );
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}
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FileBlockingItem( int type, char const *filename, float elapsed, int accessType ) :
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m_ItemType( (FileBlockingWarning_t)type ),
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m_flElapsed( elapsed ),
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m_nAccessType( accessType )
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{
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SetFileName( filename );
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}
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void SetFileName( char const *filename )
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{
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if ( !filename )
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{
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m_szFilename[ 0 ] = 0;
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return;
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}
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int len = V_strlen( filename );
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if ( len >= sizeof( m_szFilename ) )
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{
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V_strncpy( m_szFilename, &filename[ len - sizeof( m_szFilename ) + 1 ], sizeof( m_szFilename ) );
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}
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else
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{
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V_strncpy( m_szFilename, filename, sizeof( m_szFilename ) );
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}
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}
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char const *GetFileName() const
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{
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return m_szFilename;
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}
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FileBlockingWarning_t m_ItemType;
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float m_flElapsed;
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byte m_nAccessType;
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private:
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char m_szFilename[ 32 ];
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};
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#pragma pack()
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class IBlockingFileItemList
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{
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public:
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// You can't call any of the below calls without locking first
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virtual void LockMutex() = 0;
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virtual void UnlockMutex() = 0;
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virtual int First() const = 0;
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virtual int Next( int i ) const = 0;
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virtual int InvalidIndex() const = 0;
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virtual const FileBlockingItem& Get( int index ) const = 0;
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virtual void Reset() = 0;
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};
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#endif // TRACK_BLOCKING_IO
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enum FilesystemMountRetval_t
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{
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FILESYSTEM_MOUNT_OK = 0,
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FILESYSTEM_MOUNT_FAILED,
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};
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enum SearchPathAdd_t
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{
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PATH_ADD_TO_HEAD, // First path searched
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PATH_ADD_TO_TAIL, // Last path searched
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PATH_ADD_TO_TAIL_ATINDEX, // First path searched
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};
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enum FilesystemOpenExFlags_t
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{
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FSOPEN_UNBUFFERED = (1 << 0),
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FSOPEN_FORCE_TRACK_CRC = (1 << 1), // This makes it calculate a CRC for the file (if the file came from disk) regardless
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// of the IFileList passed to RegisterFileWhitelist.
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FSOPEN_NEVERINPACK = (1 << 2), // 360 only, hint to FS that file is not allowed to be in pack file
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};
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#define FILESYSTEM_INVALID_HANDLE ( FileHandle_t )0
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//-----------------------------------------------------------------------------
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// Structures used by the interface
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//-----------------------------------------------------------------------------
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struct FileSystemStatistics
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{
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CInterlockedUInt nReads,
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nWrites,
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nBytesRead,
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nBytesWritten,
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nSeeks;
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};
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//-----------------------------------------------------------------------------
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// File system allocation functions. Client must free on failure
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//-----------------------------------------------------------------------------
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typedef void *(*FSAllocFunc_t)( const char *pszFilename, unsigned nBytes );
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//-----------------------------------------------------------------------------
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// Used to display dirty disk error functions
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//-----------------------------------------------------------------------------
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typedef void (*FSDirtyDiskReportFunc_t)();
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//-----------------------------------------------------------------------------
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// Asynchronous support types
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//-----------------------------------------------------------------------------
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DECLARE_POINTER_HANDLE(FSAsyncControl_t);
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DECLARE_POINTER_HANDLE(FSAsyncFile_t);
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const FSAsyncFile_t FS_INVALID_ASYNC_FILE = (FSAsyncFile_t)(0x0000ffff);
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//---------------------------------------------------------
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// Async file status
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//---------------------------------------------------------
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enum FSAsyncStatus_t
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{
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FSASYNC_ERR_ALIGNMENT = -6, // read parameters invalid for unbuffered IO
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FSASYNC_ERR_FAILURE = -5, // hard subsystem failure
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FSASYNC_ERR_READING = -4, // read error on file
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FSASYNC_ERR_NOMEMORY = -3, // out of memory for file read
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FSASYNC_ERR_UNKNOWNID = -2, // caller's provided id is not recognized
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FSASYNC_ERR_FILEOPEN = -1, // filename could not be opened (bad path, not exist, etc)
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FSASYNC_OK = 0, // operation is successful
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FSASYNC_STATUS_PENDING, // file is properly queued, waiting for service
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FSASYNC_STATUS_INPROGRESS, // file is being accessed
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FSASYNC_STATUS_ABORTED, // file was aborted by caller
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FSASYNC_STATUS_UNSERVICED, // file is not yet queued
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};
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//---------------------------------------------------------
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// Async request flags
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//---------------------------------------------------------
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enum FSAsyncFlags_t
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{
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FSASYNC_FLAGS_ALLOCNOFREE = ( 1 << 0 ), // do the allocation for dataPtr, but don't free
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FSASYNC_FLAGS_FREEDATAPTR = ( 1 << 1 ), // free the memory for the dataPtr post callback
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FSASYNC_FLAGS_SYNC = ( 1 << 2 ), // Actually perform the operation synchronously. Used to simplify client code paths
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FSASYNC_FLAGS_NULLTERMINATE = ( 1 << 3 ), // allocate an extra byte and null terminate the buffer read in
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};
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//---------------------------------------------------------
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// Return value for CheckFileCRC.
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//---------------------------------------------------------
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enum EFileCRCStatus
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{
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k_eFileCRCStatus_CantOpenFile, // We don't have this file.
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k_eFileCRCStatus_GotCRC
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};
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// Used in CacheFileCRCs.
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enum ECacheCRCType
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{
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k_eCacheCRCType_SingleFile,
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k_eCacheCRCType_Directory,
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k_eCacheCRCType_Directory_Recursive
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};
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//---------------------------------------------------------
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// Optional completion callback for each async file serviced (or failed)
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// call is not reentrant, async i/o guaranteed suspended until return
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// Note: If you change the signature of the callback, you will have to account for it in FileSystemV12 (toml [4/18/2005] )
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//---------------------------------------------------------
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struct FileAsyncRequest_t;
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typedef void (*FSAsyncCallbackFunc_t)(const FileAsyncRequest_t &request, int nBytesRead, FSAsyncStatus_t err);
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//-----------------------------------------------------------------------------
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// Used to add results from async directory scans
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//-----------------------------------------------------------------------------
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typedef void (*FSAsyncScanAddFunc_t)( void* pContext, char* pFoundPath, char* pFoundFile );
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typedef void (*FSAsyncScanCompleteFunc_t)( void* pContext, FSAsyncStatus_t err );
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//---------------------------------------------------------
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// Description of an async request
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//---------------------------------------------------------
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struct FileAsyncRequest_t
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{
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FileAsyncRequest_t() { memset( this, 0, sizeof(*this) ); hSpecificAsyncFile = FS_INVALID_ASYNC_FILE; }
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const char * pszFilename; // file system name
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void * pData; // optional, system will alloc/free if NULL
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int nOffset; // optional initial seek_set, 0=beginning
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int nBytes; // optional read clamp, -1=exist test, 0=full read
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FSAsyncCallbackFunc_t pfnCallback; // optional completion callback
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void * pContext; // caller's unique file identifier
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int priority; // inter list priority, 0=lowest
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unsigned flags; // behavior modifier
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const char * pszPathID; // path ID (NOTE: this field is here to remain binary compatible with release HL2 filesystem interface)
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FSAsyncFile_t hSpecificAsyncFile; // Optional hint obtained using AsyncBeginRead()
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FSAllocFunc_t pfnAlloc; // custom allocator. can be null. not compatible with FSASYNC_FLAGS_FREEDATAPTR
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};
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class CUnverifiedCRCFile
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{
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public:
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char m_PathID[MAX_PATH];
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char m_Filename[MAX_PATH];
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CRC32_t m_CRC;
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};
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// Spew flags for SetWhitelistSpewFlags (set with the fs_whitelist_spew_flags cvar).
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// Update the comment for the fs_whitelist_spew_flags cvar if you change these.
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#define WHITELIST_SPEW_WHILE_LOADING 0x0001 // list files as they are added to the CRC tracker
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#define WHITELIST_SPEW_RELOAD_FILES 0x0002 // show files the filesystem is telling the engine to reload
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#define WHITELIST_SPEW_DONT_RELOAD_FILES 0x0004 // show files the filesystem is NOT telling the engine to reload
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// DLC license mask flags is 32 publisher defined bits
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// MSW 16 bits in 8.8: Type.SubVersion
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// LSW 16 bits: Flags
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// return id component
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#define DLC_LICENSE_ID( x ) ( ( ( (unsigned int)( x ) ) >> 24 ) & 0x000000FF )
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// returns minor version component (not generally used, i.e. we dont rev dlc's yet)
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#define DLC_LICENSE_MINORVERSION( x ) ( ( ( (unsigned int)( x ) ) >> 16 ) & 0x000000FF )
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// returns license flags
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#define DLC_LICENSE_FLAGS( x ) ( ( ( (unsigned int)( x ) ) & 0x0000FFFF ) )
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#define DLCFLAGS_PRESENCE_ONLY 0x0001 // causes no search path loadout
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//-----------------------------------------------------------------------------
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// Base file system interface
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//-----------------------------------------------------------------------------
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// This is the minimal interface that can be implemented to provide access to
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// a named set of files.
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#define BASEFILESYSTEM_INTERFACE_VERSION "VBaseFileSystem011"
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abstract_class IBaseFileSystem
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{
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public:
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virtual int Read( void* pOutput, int size, FileHandle_t file ) = 0;
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virtual int Write( void const* pInput, int size, FileHandle_t file ) = 0;
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// if pathID is NULL, all paths will be searched for the file
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virtual FileHandle_t Open( const char *pFileName, const char *pOptions, const char *pathID = 0 ) = 0;
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virtual void Close( FileHandle_t file ) = 0;
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virtual void Seek( FileHandle_t file, int pos, FileSystemSeek_t seekType ) = 0;
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virtual unsigned int Tell( FileHandle_t file ) = 0;
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virtual unsigned int Size( FileHandle_t file ) = 0;
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virtual unsigned int Size( const char *pFileName, const char *pPathID = 0 ) = 0;
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virtual void Flush( FileHandle_t file ) = 0;
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virtual bool Precache( const char *pFileName, const char *pPathID = 0 ) = 0;
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virtual bool FileExists( const char *pFileName, const char *pPathID = 0 ) = 0;
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virtual bool IsFileWritable( char const *pFileName, const char *pPathID = 0 ) = 0;
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virtual bool SetFileWritable( char const *pFileName, bool writable, const char *pPathID = 0 ) = 0;
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virtual long GetFileTime( const char *pFileName, const char *pPathID = 0 ) = 0;
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//--------------------------------------------------------
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// Reads/writes files to utlbuffers. Use this for optimal read performance when doing open/read/close
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//--------------------------------------------------------
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virtual bool ReadFile( const char *pFileName, const char *pPath, CUtlBuffer &buf, int nMaxBytes = 0, int nStartingByte = 0, FSAllocFunc_t pfnAlloc = NULL ) = 0;
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virtual bool WriteFile( const char *pFileName, const char *pPath, CUtlBuffer &buf ) = 0;
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virtual bool UnzipFile( const char *pFileName, const char *pPath, const char *pDestination ) = 0;
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};
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abstract_class IIoStats
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{
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public:
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virtual void OnFileSeek( int nTimeInMs ) = 0;
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virtual void OnFileRead( int nTimeInMs, int nBytesRead ) = 0;
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virtual void OnFileOpen( const char * pFileName ) = 0;
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virtual int GetNumberOfFileSeeks() = 0;
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virtual int GetTimeInFileSeek() = 0;
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virtual int GetNumberOfFileReads() = 0;
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virtual int GetTimeInFileReads() = 0;
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virtual int GetFileReadTotalSize() = 0;
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virtual int GetNumberOfFileOpens() = 0;
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virtual void Reset() = 0;
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protected:
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virtual ~IIoStats()
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{
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// Do nothing...
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}
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};
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//-----------------------------------------------------------------------------
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// Main file system interface
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//-----------------------------------------------------------------------------
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abstract_class IFileSystem : public IAppSystem, public IBaseFileSystem
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{
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public:
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//--------------------------------------------------------
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// Steam operations
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//--------------------------------------------------------
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virtual bool IsSteam() const = 0;
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// Supplying an extra app id will mount this app in addition
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// to the one specified in the environment variable "steamappid"
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//
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// If nExtraAppId is < -1, then it will mount that app ID only.
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// (Was needed by the dedicated server b/c the "SteamAppId" env var only gets passed to steam.dll
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// at load time, so the dedicated couldn't pass it in that way).
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virtual FilesystemMountRetval_t MountSteamContent( int nExtraAppId = -1 ) = 0;
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//--------------------------------------------------------
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// Search path manipulation
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//--------------------------------------------------------
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// Add paths in priority order (mod dir, game dir, ....)
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// If one or more .pak files are in the specified directory, then they are
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// added after the file system path
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// If the path is the relative path to a .bsp file, then any previous .bsp file
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|
// override is cleared and the current .bsp is searched for an embedded PAK file
|
|
// and this file becomes the highest priority search path ( i.e., it's looked at first
|
|
// even before the mod's file system path ).
|
|
virtual void AddSearchPath( const char *pPath, const char *pathID, SearchPathAdd_t addType = PATH_ADD_TO_TAIL ) = 0;
|
|
virtual bool RemoveSearchPath( const char *pPath, const char *pathID = 0 ) = 0;
|
|
|
|
// Remove all search paths (including write path?)
|
|
virtual void RemoveAllSearchPaths( void ) = 0;
|
|
|
|
// Remove search paths associated with a given pathID
|
|
virtual void RemoveSearchPaths( const char *szPathID ) = 0;
|
|
|
|
// This is for optimization. If you mark a path ID as "by request only", then files inside it
|
|
// will only be accessed if the path ID is specifically requested. Otherwise, it will be ignored.
|
|
// If there are currently no search paths with the specified path ID, then it will still
|
|
// remember it in case you add search paths with this path ID.
|
|
virtual void MarkPathIDByRequestOnly( const char *pPathID, bool bRequestOnly ) = 0;
|
|
|
|
// converts a partial path into a full path
|
|
virtual const char *RelativePathToFullPath( const char *pFileName, const char *pPathID, char *pLocalPath, int localPathBufferSize, PathTypeFilter_t pathFilter = FILTER_NONE, PathTypeQuery_t *pPathType = NULL ) = 0;
|
|
#if IsGameConsole()
|
|
// Given a relative path, gets the PACK file that contained this file and its offset and size. Can be used to prefetch a file to a HDD for caching reason.
|
|
virtual bool GetPackFileInfoFromRelativePath( const char *pFileName, const char *pPathID, char *pPackPath, int nPackPathBufferSize, int64 &nPosition, int64 &nLength ) = 0;
|
|
#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 ) = 0;
|
|
|
|
// interface for custom pack files > 4Gb
|
|
virtual bool AddPackFile( const char *fullpath, const char *pathID ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// File manipulation operations
|
|
//--------------------------------------------------------
|
|
|
|
// Deletes a file (on the WritePath)
|
|
virtual void RemoveFile( char const* pRelativePath, const char *pathID = 0 ) = 0;
|
|
|
|
// Renames a file (on the WritePath)
|
|
virtual bool RenameFile( char const *pOldPath, char const *pNewPath, const char *pathID = 0 ) = 0;
|
|
|
|
// create a local directory structure
|
|
virtual void CreateDirHierarchy( const char *path, const char *pathID = 0 ) = 0;
|
|
|
|
// File I/O and info
|
|
virtual bool IsDirectory( const char *pFileName, const char *pathID = 0 ) = 0;
|
|
|
|
virtual void FileTimeToString( char* pStrip, int maxCharsIncludingTerminator, long fileTime ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Open file operations
|
|
//--------------------------------------------------------
|
|
|
|
virtual void SetBufferSize( FileHandle_t file, unsigned nBytes ) = 0;
|
|
|
|
virtual bool IsOk( FileHandle_t file ) = 0;
|
|
|
|
virtual bool EndOfFile( FileHandle_t file ) = 0;
|
|
|
|
virtual char *ReadLine( char *pOutput, int maxChars, FileHandle_t file ) = 0;
|
|
virtual int FPrintf( FileHandle_t file, const char *pFormat, ... ) FMTFUNCTION( 3, 4 ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Dynamic library operations
|
|
//--------------------------------------------------------
|
|
|
|
// load/unload modules
|
|
virtual CSysModule *LoadModule( const char *pFileName, const char *pPathID = 0, bool bValidatedDllOnly = true ) = 0;
|
|
virtual void UnloadModule( CSysModule *pModule ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// File searching operations
|
|
//--------------------------------------------------------
|
|
|
|
// FindFirst/FindNext. Also see FindFirstEx.
|
|
virtual const char *FindFirst( const char *pWildCard, FileFindHandle_t *pHandle ) = 0;
|
|
virtual const char *FindNext( FileFindHandle_t handle ) = 0;
|
|
virtual bool FindIsDirectory( FileFindHandle_t handle ) = 0;
|
|
virtual void FindClose( FileFindHandle_t handle ) = 0;
|
|
|
|
// Same as FindFirst, but you can filter by path ID, which can make it faster.
|
|
virtual const char *FindFirstEx(
|
|
const char *pWildCard,
|
|
const char *pPathID,
|
|
FileFindHandle_t *pHandle
|
|
) = 0;
|
|
|
|
// Searches for a file in all paths and results absolute path names for the file, works in pack files (zip and vpk) too
|
|
// Lets you search for something like sound/sound.cache and get a list of every sound cache
|
|
virtual void FindFileAbsoluteList( CUtlVector< CUtlString > &outAbsolutePathNames, const char *pWildCard, const char *pPathID ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// File name and directory operations
|
|
//--------------------------------------------------------
|
|
|
|
// FIXME: This method is obsolete! Use RelativePathToFullPath instead!
|
|
// converts a partial path into a full path
|
|
virtual const char *GetLocalPath( const char *pFileName, char *pLocalPath, int localPathBufferSize ) = 0;
|
|
|
|
// Returns true on success ( based on current list of search paths, otherwise false if
|
|
// it can't be resolved )
|
|
virtual bool FullPathToRelativePath( const char *pFullpath, char *pRelative, int maxlen ) = 0;
|
|
|
|
// Gets the current working directory
|
|
virtual bool GetCurrentDirectory( char* pDirectory, int maxlen ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Filename dictionary operations
|
|
//--------------------------------------------------------
|
|
|
|
virtual FileNameHandle_t FindOrAddFileName( char const *pFileName ) = 0;
|
|
virtual bool String( const FileNameHandle_t& handle, char *buf, int buflen ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Asynchronous file operations
|
|
//--------------------------------------------------------
|
|
|
|
//------------------------------------
|
|
// Global operations
|
|
//------------------------------------
|
|
FSAsyncStatus_t AsyncRead( const FileAsyncRequest_t &request, FSAsyncControl_t *phControl = NULL ) { return AsyncReadMultiple( &request, 1, phControl ); }
|
|
virtual FSAsyncStatus_t AsyncReadMultiple( const FileAsyncRequest_t *pRequests, int nRequests, FSAsyncControl_t *phControls = NULL ) = 0;
|
|
virtual FSAsyncStatus_t AsyncAppend(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, FSAsyncControl_t *pControl = NULL ) = 0;
|
|
virtual FSAsyncStatus_t AsyncAppendFile(const char *pAppendToFileName, const char *pAppendFromFileName, FSAsyncControl_t *pControl = NULL ) = 0;
|
|
virtual void AsyncFinishAll( int iToPriority = 0 ) = 0;
|
|
virtual void AsyncFinishAllWrites() = 0;
|
|
virtual FSAsyncStatus_t AsyncFlush() = 0;
|
|
virtual bool AsyncSuspend() = 0;
|
|
virtual bool AsyncResume() = 0;
|
|
|
|
//------------------------------------
|
|
// Functions to hold a file open if planning on doing mutiple reads. Use is optional,
|
|
// and is taken only as a hint
|
|
//------------------------------------
|
|
virtual FSAsyncStatus_t AsyncBeginRead( const char *pszFile, FSAsyncFile_t *phFile ) = 0;
|
|
virtual FSAsyncStatus_t AsyncEndRead( FSAsyncFile_t hFile ) = 0;
|
|
|
|
//------------------------------------
|
|
// Request management
|
|
//------------------------------------
|
|
virtual FSAsyncStatus_t AsyncFinish( FSAsyncControl_t hControl, bool wait = true ) = 0;
|
|
virtual FSAsyncStatus_t AsyncGetResult( FSAsyncControl_t hControl, void **ppData, int *pSize ) = 0;
|
|
virtual FSAsyncStatus_t AsyncAbort( FSAsyncControl_t hControl ) = 0;
|
|
virtual FSAsyncStatus_t AsyncStatus( FSAsyncControl_t hControl ) = 0;
|
|
// set a new priority for a file already in the queue
|
|
virtual FSAsyncStatus_t AsyncSetPriority(FSAsyncControl_t hControl, int newPriority) = 0;
|
|
virtual void AsyncAddRef( FSAsyncControl_t hControl ) = 0;
|
|
virtual void AsyncRelease( FSAsyncControl_t hControl ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Remote resource management
|
|
//--------------------------------------------------------
|
|
|
|
// starts waiting for resources to be available
|
|
// returns FILESYSTEM_INVALID_HANDLE if there is nothing to wait on
|
|
virtual WaitForResourcesHandle_t WaitForResources( const char *resourcelist ) = 0;
|
|
// get progress on waiting for resources; progress is a float [0, 1], complete is true on the waiting being done
|
|
// returns false if no progress is available
|
|
// any calls after complete is true or on an invalid handle will return false, 0.0f, true
|
|
virtual bool GetWaitForResourcesProgress( WaitForResourcesHandle_t handle, float *progress /* out */ , bool *complete /* out */ ) = 0;
|
|
// cancels a progress call
|
|
virtual void CancelWaitForResources( WaitForResourcesHandle_t handle ) = 0;
|
|
|
|
// hints that a set of files will be loaded in near future
|
|
// HintResourceNeed() is not to be confused with resource precaching.
|
|
virtual int HintResourceNeed( const char *hintlist, int forgetEverything ) = 0;
|
|
// returns true if a file is on disk
|
|
virtual bool IsFileImmediatelyAvailable(const char *pFileName) = 0;
|
|
|
|
// copies file out of pak/bsp/steam cache onto disk (to be accessible by third-party code)
|
|
virtual void GetLocalCopy( const char *pFileName ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Debugging operations
|
|
//--------------------------------------------------------
|
|
|
|
// Dump to printf/OutputDebugString the list of files that have not been closed
|
|
virtual void PrintOpenedFiles( void ) = 0;
|
|
virtual void PrintSearchPaths( void ) = 0;
|
|
|
|
// output
|
|
virtual void SetWarningFunc( void (*pfnWarning)( const char *fmt, ... ) ) = 0;
|
|
virtual void SetWarningLevel( FileWarningLevel_t level ) = 0;
|
|
virtual void AddLoggingFunc( void (*pfnLogFunc)( const char *fileName, const char *accessType ) ) = 0;
|
|
virtual void RemoveLoggingFunc( FileSystemLoggingFunc_t logFunc ) = 0;
|
|
|
|
// Returns the file system statistics retreived by the implementation. Returns NULL if not supported.
|
|
virtual const FileSystemStatistics *GetFilesystemStatistics() = 0;
|
|
|
|
#if defined( _PS3 )
|
|
// EA cruft not used: virtual Ps3FileType_t GetPs3FileType(const char* path) = 0;
|
|
virtual void LogFileAccess( const char *pFullFileName ) = 0;
|
|
|
|
// Prefetches a full file in the HDD cache.
|
|
virtual bool PrefetchFile( const char *pFileName, int nPriority, bool bPersist ) = 0;
|
|
// Prefetches a file portion in the HDD cache.
|
|
virtual bool PrefetchFile( const char *pFileName, int nPriority, bool bPersist, int64 nOffset, int64 nSize ) = 0;
|
|
// Flushes the HDD cache.
|
|
virtual void FlushCache() = 0;
|
|
// Suspends all prefetches (like when the game is doing a file intensive operation not controlled by the HDD cache, like Bink movies).
|
|
virtual void SuspendPrefetches( const char *pWhy ) = 0;
|
|
// Resumes prefetches. This function has to to be called as many time as SuspendPrefetches() to effectively resumes prefetches.
|
|
virtual void ResumePrefetches( const char * pWhy ) = 0;
|
|
|
|
// Gets called when we are starting / ending a save (it allows the file system to reduce its HDD usage and use BluRay instead).
|
|
virtual void OnSaveStateChanged( bool bSaving ) = 0;
|
|
|
|
// Returns the prefetching state. If true, everything has been prefetched on the HDD.
|
|
virtual bool IsPrefetchingDone() = 0;
|
|
|
|
#endif //_PS3
|
|
//--------------------------------------------------------
|
|
// Start of new functions after Lost Coast release (7/05)
|
|
//--------------------------------------------------------
|
|
|
|
virtual FileHandle_t OpenEx( const char *pFileName, const char *pOptions, unsigned flags = 0, const char *pathID = 0, char **ppszResolvedFilename = NULL ) = 0;
|
|
|
|
// Extended version of read provides more context to allow for more optimal reading
|
|
virtual int ReadEx( void* pOutput, int sizeDest, int size, FileHandle_t file ) = 0;
|
|
virtual int ReadFileEx( const char *pFileName, const char *pPath, void **ppBuf, bool bNullTerminate = false, bool bOptimalAlloc = false, int nMaxBytes = 0, int nStartingByte = 0, FSAllocFunc_t pfnAlloc = NULL ) = 0;
|
|
|
|
virtual FileNameHandle_t FindFileName( char const *pFileName ) = 0;
|
|
|
|
#if defined( TRACK_BLOCKING_IO )
|
|
virtual void EnableBlockingFileAccessTracking( bool state ) = 0;
|
|
virtual bool IsBlockingFileAccessEnabled() const = 0;
|
|
|
|
virtual IBlockingFileItemList *RetrieveBlockingFileAccessInfo() = 0;
|
|
#endif
|
|
|
|
virtual void SetupPreloadData() = 0;
|
|
virtual void DiscardPreloadData() = 0;
|
|
|
|
// Fixme, we could do these via a string embedded into the compiled data, etc...
|
|
enum KeyValuesPreloadType_t
|
|
{
|
|
TYPE_VMT,
|
|
TYPE_SOUNDEMITTER,
|
|
TYPE_SOUNDSCAPE,
|
|
TYPE_SOUNDOPERATORS,
|
|
NUM_PRELOAD_TYPES
|
|
};
|
|
|
|
// 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 ) = 0;
|
|
virtual bool LoadKeyValues( KeyValues& head, KeyValuesPreloadType_t type, char const *filename, char const *pPathID = 0 ) = 0;
|
|
|
|
virtual FSAsyncStatus_t AsyncWrite(const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend = false, FSAsyncControl_t *pControl = NULL ) = 0;
|
|
virtual FSAsyncStatus_t AsyncWriteFile(const char *pFileName, const CUtlBuffer *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend = false, FSAsyncControl_t *pControl = NULL ) = 0;
|
|
// Async read functions with memory blame
|
|
FSAsyncStatus_t AsyncReadCreditAlloc( const FileAsyncRequest_t &request, const char *pszFile, int line, FSAsyncControl_t *phControl = NULL ) { return AsyncReadMultipleCreditAlloc( &request, 1, pszFile, line, phControl ); }
|
|
virtual FSAsyncStatus_t AsyncReadMultipleCreditAlloc( const FileAsyncRequest_t *pRequests, int nRequests, const char *pszFile, int line, FSAsyncControl_t *phControls = NULL ) = 0;
|
|
|
|
virtual FSAsyncStatus_t AsyncDirectoryScan( const char* pSearchSpec, bool recurseFolders, void* pContext, FSAsyncScanAddFunc_t pfnAdd, FSAsyncScanCompleteFunc_t pfnDone, FSAsyncControl_t *pControl = NULL ) = 0;
|
|
|
|
virtual bool GetFileTypeForFullPath( char const *pFullPath, wchar_t *buf, size_t bufSizeInBytes ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
//--------------------------------------------------------
|
|
virtual bool ReadToBuffer( FileHandle_t hFile, CUtlBuffer &buf, int nMaxBytes = 0, FSAllocFunc_t pfnAlloc = NULL ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Optimal IO operations
|
|
//--------------------------------------------------------
|
|
virtual bool GetOptimalIOConstraints( FileHandle_t hFile, unsigned *pOffsetAlign, unsigned *pSizeAlign, unsigned *pBufferAlign ) = 0;
|
|
inline unsigned GetOptimalReadSize( FileHandle_t hFile, unsigned nLogicalSize );
|
|
virtual void *AllocOptimalReadBuffer( FileHandle_t hFile, unsigned nSize = 0, unsigned nOffset = 0 ) = 0;
|
|
virtual void FreeOptimalReadBuffer( void * ) = 0;
|
|
|
|
//--------------------------------------------------------
|
|
//
|
|
//--------------------------------------------------------
|
|
virtual void BeginMapAccess() = 0;
|
|
virtual void EndMapAccess() = 0;
|
|
|
|
// Returns true on success, otherwise false if it can't be resolved
|
|
virtual bool FullPathToRelativePathEx( const char *pFullpath, const char *pPathId, char *pRelative, int maxlen ) = 0;
|
|
|
|
virtual int GetPathIndex( const FileNameHandle_t &handle ) = 0;
|
|
virtual long GetPathTime( const char *pPath, const char *pPathID ) = 0;
|
|
|
|
virtual DVDMode_t GetDVDMode() = 0;
|
|
|
|
//--------------------------------------------------------
|
|
// Whitelisting for pure servers.
|
|
//--------------------------------------------------------
|
|
|
|
// This should be called ONCE at startup. Multiplayer games (gameinfo.txt does not contain singleplayer_only)
|
|
// want to enable this so sv_pure works.
|
|
virtual void EnableWhitelistFileTracking( bool bEnable ) = 0;
|
|
|
|
// This is called when the client connects to a server using a pure_server_whitelist.txt file.
|
|
//
|
|
// Files listed in pWantCRCList will have CRCs calculated for them IF they come off disk
|
|
// (and those CRCs will come out of GetUnverifiedCRCFiles).
|
|
//
|
|
// Files listed in pAllowFromDiskList will be allowed to load from disk. All other files will
|
|
// be forced to come from Steam.
|
|
//
|
|
// The filesystem hangs onto the whitelists you pass in here, and it will Release() them when it closes down
|
|
// or when you call this function again.
|
|
//
|
|
// NOTE: The whitelists you pass in here will be accessed from multiple threads, so make sure the
|
|
// IsFileInList function is thread safe.
|
|
//
|
|
// If pFilesToReload is non-null, the filesystem will hand back a list of files that should be reloaded because they
|
|
// are now "dirty". For example, if you were on a non-pure server and you loaded a certain model, and then you connected
|
|
// to a pure server that said that model had to come from Steam, then pFilesToReload would specify that model
|
|
// and the engine should reload it so it can come from Steam.
|
|
//
|
|
// Be sure to call Release() on pFilesToReload.
|
|
virtual void RegisterFileWhitelist( IFileList *pWantCRCList, IFileList *pAllowFromDiskList, IFileList **pFilesToReload ) = 0;
|
|
|
|
// Called when the client logs onto a server. Any files that came off disk should be marked as
|
|
// unverified because this server may have a different set of files it wants to guarantee.
|
|
virtual void MarkAllCRCsUnverified() = 0;
|
|
|
|
// As the server loads whitelists when it transitions maps, it calls this to calculate CRCs for any files marked
|
|
// with check_crc. Then it calls CheckCachedFileCRC later when it gets client requests to verify CRCs.
|
|
virtual void CacheFileCRCs( const char *pPathname, ECacheCRCType eType, IFileList *pFilter ) = 0;
|
|
virtual EFileCRCStatus CheckCachedFileCRC( const char *pPathID, const char *pRelativeFilename, CRC32_t *pCRC ) = 0;
|
|
|
|
// Fills in the list of files that have been loaded off disk and have not been verified.
|
|
// Returns the number of files filled in (between 0 and nMaxFiles).
|
|
//
|
|
// This also removes any files it's returning from the unverified CRC list, so they won't be
|
|
// returned from here again.
|
|
// The client sends batches of these to the server to verify.
|
|
virtual int GetUnverifiedCRCFiles( CUnverifiedCRCFile *pFiles, int nMaxFiles ) = 0;
|
|
|
|
// Control debug message output.
|
|
// Pass a combination of WHITELIST_SPEW_ flags.
|
|
virtual int GetWhitelistSpewFlags() = 0;
|
|
virtual void SetWhitelistSpewFlags( int flags ) = 0;
|
|
|
|
// Installs a callback used to display a dirty disk dialog
|
|
virtual void InstallDirtyDiskReportFunc( FSDirtyDiskReportFunc_t func ) = 0;
|
|
|
|
virtual bool IsLaunchedFromXboxHDD() = 0;
|
|
virtual bool IsInstalledToXboxHDDCache() = 0;
|
|
virtual bool IsDVDHosted() = 0;
|
|
virtual bool IsInstallAllowed() = 0;
|
|
|
|
virtual int GetSearchPathID( char *pPath, int nMaxLen ) = 0;
|
|
virtual bool FixupSearchPathsAfterInstall() = 0;
|
|
|
|
virtual FSDirtyDiskReportFunc_t GetDirtyDiskReportFunc() = 0;
|
|
|
|
virtual void AddVPKFile( char const *pszName, SearchPathAdd_t addType = PATH_ADD_TO_TAIL ) = 0;
|
|
virtual void RemoveVPKFile( char const *pszName ) = 0;
|
|
virtual void GetVPKFileNames( CUtlVector<CUtlString> &destVector ) = 0;
|
|
virtual void RemoveAllMapSearchPaths() = 0;
|
|
virtual void SyncDvdDevCache() = 0;
|
|
|
|
virtual bool GetStringFromKVPool( CRC32_t poolKey, unsigned int key, char *pOutBuff, int buflen ) = 0;
|
|
|
|
virtual bool DiscoverDLC( int iController ) = 0;
|
|
virtual int IsAnyDLCPresent( bool *pbDLCSearchPathMounted = NULL ) = 0;
|
|
virtual bool GetAnyDLCInfo( int iDLC, unsigned int *pLicenseMask, wchar_t *pTitleBuff, int nOutTitleSize ) = 0;
|
|
virtual int IsAnyCorruptDLC() = 0;
|
|
virtual bool GetAnyCorruptDLCInfo( int iCorruptDLC, wchar_t *pTitleBuff, int nOutTitleSize ) = 0;
|
|
virtual bool AddDLCSearchPaths() = 0;
|
|
virtual bool IsSpecificDLCPresent( unsigned int nDLCPackage ) = 0;
|
|
|
|
// call this to look for CPU-hogs during loading processes. When you set this, a breakpoint
|
|
// will be issued whenever the indicated # of seconds go by without an i/o request. Passing
|
|
// 0.0 will turn off the functionality.
|
|
virtual void SetIODelayAlarm( float flThreshhold ) = 0;
|
|
|
|
virtual bool AddXLSPUpdateSearchPath( const void *pData, int nSize ) = 0;
|
|
|
|
virtual IIoStats *GetIoStats() = 0;
|
|
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#if defined( _X360 ) && !defined( _CERT )
|
|
extern char g_szXboxProfileLastFileOpened[MAX_PATH];
|
|
#define SetLastProfileFileRead( s ) V_strncpy( g_szXboxProfileLastFileOpened, sizeof( g_szXboxProfileLastFileOpened), pFileName )
|
|
#define GetLastProfileFileRead() (&g_szXboxProfileLastFileOpened[0])
|
|
#else
|
|
#define SetLastProfileFileRead( s ) ((void)0)
|
|
#define GetLastProfileFileRead() NULL
|
|
#endif
|
|
|
|
#if defined( _X360 ) && defined( _BASETSD_H_ )
|
|
class CXboxDiskCacheSetter
|
|
{
|
|
public:
|
|
CXboxDiskCacheSetter( SIZE_T newSize )
|
|
{
|
|
m_oldSize = XGetFileCacheSize();
|
|
XSetFileCacheSize( newSize );
|
|
}
|
|
|
|
~CXboxDiskCacheSetter()
|
|
{
|
|
XSetFileCacheSize( m_oldSize );
|
|
}
|
|
private:
|
|
SIZE_T m_oldSize;
|
|
};
|
|
#define DISK_INTENSIVE() CXboxDiskCacheSetter cacheSetter( 1024*1024 )
|
|
#else
|
|
#define DISK_INTENSIVE() ((void)0)
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
inline unsigned IFileSystem::GetOptimalReadSize( FileHandle_t hFile, unsigned nLogicalSize )
|
|
{
|
|
unsigned align;
|
|
if ( GetOptimalIOConstraints( hFile, &align, NULL, NULL ) )
|
|
return AlignValue( nLogicalSize, align );
|
|
else
|
|
return nLogicalSize;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// We include this here so it'll catch compile errors in VMPI early.
|
|
#include "filesystem_passthru.h"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Async memory tracking
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#if (defined(_DEBUG) || defined(USE_MEM_DEBUG))
|
|
#define AsyncRead( a, b ) AsyncReadCreditAlloc( a, __FILE__, __LINE__, b )
|
|
#define AsyncReadMutiple( a, b, c ) AsyncReadMultipleCreditAlloc( a, b, __FILE__, __LINE__, c )
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Globals Exposed
|
|
//-----------------------------------------------------------------------------
|
|
DECLARE_TIER2_INTERFACE( IFileSystem, g_pFullFileSystem );
|
|
|
|
|
|
|
|
|
|
#endif // FILESYSTEM_H
|