mirror of
https://github.com/nillerusr/source-engine.git
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597 lines
18 KiB
C++
597 lines
18 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "basefilesystem.h"
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#include "tier0/vprof.h"
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// NOTE: This has to be the last file included!
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#include "tier0/memdbgon.h"
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#if !defined( DEDICATED )
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#ifdef SUPPORT_PACKED_STORE
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unsigned ThreadStubProcessMD5Requests( void *pParam )
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{
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return ((CFileTracker2 *)pParam)->ThreadedProcessMD5Requests();
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}
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//-----------------------------------------------------------------------------
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// ThreadedProcessMD5Requests
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// Calculate the MD5s of all the blocks submitted to us
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//-----------------------------------------------------------------------------
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unsigned CFileTracker2::ThreadedProcessMD5Requests()
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{
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ThreadSetDebugName( "ProcessMD5Requests" );
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while ( m_bThreadShouldRun )
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{
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StuffToMD5_t stuff;
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while ( m_PendingJobs.PopItem( &stuff ) )
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{
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tmZone( TELEMETRY_LEVEL0, TMZF_NONE, "%s", __FUNCTION__ );
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MD5Context_t ctx;
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memset( &ctx, 0, sizeof(MD5Context_t) );
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MD5Init( &ctx );
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MD5Update( &ctx, stuff.m_pubBuffer, stuff.m_cubBuffer );
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MD5Final( stuff.m_md5Value.bits, &ctx);
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{
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// update the FileTracker MD5 database
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AUTO_LOCK( m_Mutex );
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TrackedVPKFile_t &trackedVPKFile = m_treeTrackedVPKFiles[ stuff.m_idxTrackedVPKFile ];
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TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ trackedVPKFile.m_idxAllOpenedFiles ];
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memcpy( trackedfile.m_filehashFinal.m_md5contents.bits, stuff.m_md5Value.bits, sizeof( trackedfile.m_filehashFinal.m_md5contents.bits ) );
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trackedfile.m_filehashFinal.m_crcIOSequence = stuff.m_cubBuffer;
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trackedfile.m_filehashFinal.m_cbFileLen = stuff.m_cubBuffer;
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trackedfile.m_filehashFinal.m_eFileHashType = FileHash_t::k_EFileHashTypeEntireFile;
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trackedfile.m_filehashFinal.m_nPackFileNumber = trackedVPKFile.m_nPackFileNumber;
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trackedfile.m_filehashFinal.m_PackFileID = trackedVPKFile.m_PackFileID;
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}
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m_CompletedJobs.PushItem( stuff );
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m_threadEventWorkCompleted.Set();
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}
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{
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tmZone( TELEMETRY_LEVEL0, TMZF_IDLE, "m_threadEventWorkToDo" );
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m_threadEventWorkToDo.Wait( 1000 );
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}
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}
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return 0;
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}
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//-----------------------------------------------------------------------------
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// SubmitThreadedMD5Request
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// add pubBuffer,cubBuffer to our queue of stuff to MD5
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// caller promises that the memory will remain valid
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// until BlockUntilMD5RequestComplete() is called
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// returns: request handle
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//-----------------------------------------------------------------------------
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int CFileTracker2::SubmitThreadedMD5Request( uint8 *pubBuffer, int cubBuffer, int PackFileID, int nPackFileNumber, int nPackFileFraction )
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{
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int idxList;
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StuffToMD5_t stuff;
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{
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AUTO_LOCK( m_Mutex );
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TrackedVPKFile_t trackedVPKFileFind;
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trackedVPKFileFind.m_nPackFileNumber = nPackFileNumber;
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trackedVPKFileFind.m_PackFileID = PackFileID;
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trackedVPKFileFind.m_nFileFraction = nPackFileFraction;
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int idxTrackedVPKFile = m_treeTrackedVPKFiles.Find( trackedVPKFileFind );
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if ( idxTrackedVPKFile != m_treeTrackedVPKFiles.InvalidIndex() )
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{
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// dont early out if we have already done the MD5, if the caller wants us
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// to do it again - then do it again
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m_cDupMD5s++;
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}
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else
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{
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// this is an error, we should already know about the file
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Assert(0);
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return 0;
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}
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SubmittedMd5Job_t submittedjob;
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submittedjob.m_bFinished = false;
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idxList = m_SubmittedJobs.AddToTail( submittedjob );
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stuff.m_pubBuffer = pubBuffer;
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stuff.m_cubBuffer = cubBuffer;
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stuff.m_idxTrackedVPKFile = idxTrackedVPKFile;
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stuff.m_idxListSubmittedJobs = idxList;
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}
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// Start thread if it wasn't already active. Do this down here due to the
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// return 0 above us. Ie, don't start the thread unless we actually have work
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// to do.
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if ( m_hWorkThread == NULL )
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{
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Assert( !m_bThreadShouldRun );
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m_bThreadShouldRun = true;
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m_hWorkThread = CreateSimpleThread( ThreadStubProcessMD5Requests, this );
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}
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// submit the work
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m_PendingJobs.PushItem( stuff );
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m_threadEventWorkToDo.Set();
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return idxList + 1;
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}
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//-----------------------------------------------------------------------------
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// IsMD5RequestComplete
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// is request identified by iRequest finished?
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// ( the caller wants to free the memory, but now must wait until we finish
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// calculating the MD5 )
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//-----------------------------------------------------------------------------
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bool CFileTracker2::IsMD5RequestComplete( int iRequest, MD5Value_t *pMd5ValueOut )
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{
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AUTO_LOCK( m_Mutex );
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int idxListWaiting = iRequest - 1;
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// deal with all completed jobs
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StuffToMD5_t stuff;
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while ( m_CompletedJobs.PopItem( &stuff ) )
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{
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int idxList = stuff.m_idxListSubmittedJobs;
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Q_memcpy( &m_SubmittedJobs[ idxList ].m_md5Value, &stuff.m_md5Value, sizeof( MD5Value_t ) );
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m_SubmittedJobs[ idxList ].m_bFinished = true;
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}
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// did the one we wanted finish?
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if ( m_SubmittedJobs[ idxListWaiting ].m_bFinished )
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{
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Q_memcpy( pMd5ValueOut, &m_SubmittedJobs[ idxListWaiting ].m_md5Value, sizeof( MD5Value_t ) );
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// you can not ask again, we have removed it from the list
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m_SubmittedJobs.Remove(idxListWaiting);
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return true;
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}
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// not done yet
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return false;
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}
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//-----------------------------------------------------------------------------
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// BlockUntilMD5RequestComplete
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// block until request identified by iRequest is finished
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// ( the caller wants to free the memory, but now must wait until we finish
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// calculating the MD5 )
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//-----------------------------------------------------------------------------
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bool CFileTracker2::BlockUntilMD5RequestComplete( int iRequest, MD5Value_t *pMd5ValueOut )
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{
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while ( 1 )
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{
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if ( IsMD5RequestComplete( iRequest, pMd5ValueOut ) )
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return true;
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m_cThreadBlocks++;
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m_threadEventWorkCompleted.Wait( 1 );
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}
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return false;
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}
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#endif // SUPPORT_PACKED_STORE
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CFileTracker2::CFileTracker2( CBaseFileSystem *pFileSystem ):
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m_treeAllOpenedFiles( TrackedFile_t::Less ),
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m_treeTrackedVPKFiles( TrackedVPKFile_t::Less )
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{
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#if defined( DEDICATED )
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Assert( 0 );
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#endif
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m_pFileSystem = pFileSystem;
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m_cThreadBlocks = 0;
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m_cDupMD5s = 0;
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#ifdef SUPPORT_PACKED_STORE
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m_bThreadShouldRun = false;
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m_hWorkThread = NULL;
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#endif
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}
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CFileTracker2::~CFileTracker2()
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{
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#ifdef SUPPORT_PACKED_STORE
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Assert( !m_bThreadShouldRun );
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Assert( m_hWorkThread == NULL );
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#endif
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}
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void CFileTracker2::ShutdownAsync()
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{
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#ifdef SUPPORT_PACKED_STORE
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m_bThreadShouldRun = false;
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m_threadEventWorkToDo.Set();
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// wait for it to die
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if ( m_hWorkThread )
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{
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ThreadJoin( m_hWorkThread );
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ReleaseThreadHandle( m_hWorkThread );
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m_hWorkThread = NULL;
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}
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#endif
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}
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void CFileTracker2::MarkAllCRCsUnverified()
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{
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// AUTO_LOCK( m_Mutex );
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}
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int CFileTracker2::GetUnverifiedFileHashes( CUnverifiedFileHash *pFiles, int nMaxFiles )
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{
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return 0;
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}
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EFileCRCStatus CFileTracker2::CheckCachedFileHash( const char *pPathID, const char *pRelativeFilename, int nFileFraction, FileHash_t *pFileHash )
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{
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Assert( ThreadInMainThread() );
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AUTO_LOCK( m_Mutex );
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TrackedFile_t trackedfileFind;
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trackedfileFind.RebuildFileName( m_stringPool, pRelativeFilename, pPathID, nFileFraction );
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int idx = m_treeAllOpenedFiles.Find( trackedfileFind );
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if ( idx != m_treeAllOpenedFiles.InvalidIndex() )
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{
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TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ idx ];
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if ( trackedfile.m_bFileInVPK )
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{
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// the FileHash is not meaningful, because the file is in a VPK, we have hashed the entire VPK
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// if the user is sending us a hash for this file, it means he has extracted it from the VPK and tricked the client into loading it
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// instead of the version in the VPK.
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return k_eFileCRCStatus_FileInVPK;
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}
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return k_eFileCRCStatus_CantOpenFile;
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}
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else
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{
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return k_eFileCRCStatus_CantOpenFile;
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}
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}
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void TrackedFile_t::RebuildFileName( CStringPool &stringPool, const char *pFilename, const char *pPathID, int nFileFraction )
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{
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char szFixedName[ MAX_PATH ];
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char szPathName[ MAX_PATH ];
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V_strcpy_safe( szFixedName, pFilename );
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V_RemoveDotSlashes( szFixedName );
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V_FixSlashes( szFixedName );
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V_strlower( szFixedName ); // !KLUDGE!
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m_filename = stringPool.Allocate( szFixedName );
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V_strcpy_safe( szPathName, pPathID ? pPathID : "" );
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V_strupr( szPathName ); // !KLUDGE!
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m_path = stringPool.Allocate( szPathName );
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// CRC32_t crcFilename;
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// CRC32_Init( &crcFilename );
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// CRC32_ProcessBuffer( &crcFilename, m_filename, Q_strlen( m_filename ) );
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// CRC32_ProcessBuffer( &crcFilename, m_path, Q_strlen( m_path ) );
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// CRC32_Final( &crcFilename );
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// m_crcIdentifier = crcFilename;
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m_nFileFraction = nFileFraction;
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}
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#ifdef SUPPORT_PACKED_STORE
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void CFileTracker2::NotePackFileAccess( const char *pFilename, const char *pPathID, int iSearchPathStoreId, CPackedStoreFileHandle &VPKHandle )
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{
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#if !defined( _GAMECONSOLE ) && !defined( DEDICATED )
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AUTO_LOCK( m_Mutex );
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Assert( iSearchPathStoreId > 0 );
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int idxFile = IdxFileFromName( pFilename, pPathID, 0, false );
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TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ idxFile ];
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// we could use the CRC data from the VPK header - and verify it
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// VPKHandle.GetFileCRCFromHeaderData();
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// for now all we are going to do is track that this file came from a VPK
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trackedfile.m_PackFileID = VPKHandle.m_pOwner->m_PackFileID;
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trackedfile.m_nPackFileNumber = VPKHandle.m_nFileNumber; // this might be useful to send up
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trackedfile.m_iLoadedSearchPathStoreId = iSearchPathStoreId;
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trackedfile.m_bFileInVPK = true;
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#endif // !defined( _GAMECONSOLE ) && !defined( DEDICATED )
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}
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#endif // SUPPORT_PACKED_STORE
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struct FileListToUnloadForWhitelistChange : public IFileList
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{
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virtual bool IsFileInList( const char *pFilename )
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{
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char szFixedName[ MAX_PATH ];
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GetFixedName( pFilename, szFixedName );
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return m_dictFiles.Find( szFixedName ) >= 0;
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}
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virtual void Release()
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{
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delete this;
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}
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void AddFile( const char *pszFilename )
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{
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char szFixedName[ MAX_PATH ];
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GetFixedName( pszFilename, szFixedName );
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if ( m_dictFiles.Find( szFixedName ) < 0 )
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m_dictFiles.Insert( szFixedName );
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}
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void GetFixedName( const char *pszFilename, char *pszFixedName )
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{
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V_strncpy( pszFixedName, pszFilename, MAX_PATH );
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V_strlower( pszFixedName );
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V_FixSlashes( pszFixedName );
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}
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CUtlDict<int> m_dictFiles;
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};
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IFileList *CFileTracker2::GetFilesToUnloadForWhitelistChange( IPureServerWhitelist *pNewWhiteList )
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{
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FileListToUnloadForWhitelistChange *pResult = new FileListToUnloadForWhitelistChange;
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for ( int i = m_treeAllOpenedFiles.FirstInorder() ; i >= 0 ; i = m_treeAllOpenedFiles.NextInorder( i ) )
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{
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TrackedFile_t &f = m_treeAllOpenedFiles[i];
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// !KLUDGE! If we ignored it at all, just reload it.
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// This is more conservative than we need to be, but the set of files we are ignoring is probably
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// pretty small so it should be fine.
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if ( f.m_bIgnoredForPureServer )
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{
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f.m_bIgnoredForPureServer = false;
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#ifdef PURE_SERVER_DEBUG_SPEW
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Msg( "%s was ignored for pure server purposes. Queuing for reload\n", f.m_filename );
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#endif
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pResult->AddFile( f.m_filename );
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continue;
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}
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if ( f.m_iLoadedSearchPathStoreId != 0 && pNewWhiteList && pNewWhiteList->GetFileClass( f.m_filename ) == ePureServerFileClass_AnyTrusted )
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{
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// Check if we loaded it from a path that no longer exists or is no longer trusted
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const CBaseFileSystem::CSearchPath *pSearchPath = m_pFileSystem->FindSearchPathByStoreId( f.m_iLoadedSearchPathStoreId );
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if ( pSearchPath == NULL )
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{
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#ifdef PURE_SERVER_DEBUG_SPEW
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Msg( "%s was loaded from search path that's no longer mounted. Queuing for reload\n", f.m_filename );
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#endif
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pResult->AddFile( f.m_filename );
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}
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else if ( !pSearchPath->m_bIsTrustedForPureServer )
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{
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#ifdef PURE_SERVER_DEBUG_SPEW
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Msg( "%s was loaded from search path that's not currently trusted. Queuing for reload\n", f.m_filename );
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#endif
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pResult->AddFile( f.m_filename );
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}
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else
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{
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#if defined( _DEBUG ) && defined( PURE_SERVER_DEBUG_SPEW )
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Msg( "%s is OK. Keeping\n", f.m_filename );
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#endif
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}
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}
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}
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// Do we need to reload anything?
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if ( pResult->m_dictFiles.Count() > 0 )
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return pResult;
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// Nothing to reload, return an empty list as an optimization
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pResult->Release();
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return NULL;
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}
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#ifdef SUPPORT_PACKED_STORE
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void CFileTracker2::AddFileHashForVPKFile( int nPackFileNumber, int nFileFraction, int cbFileLen, MD5Value_t &md5, CPackedStoreFileHandle &VPKHandle )
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{
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#if !defined( DEDICATED )
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AUTO_LOCK( m_Mutex );
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char szDataFileName[MAX_PATH];
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VPKHandle.m_nFileNumber = nPackFileNumber;
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VPKHandle.GetPackFileName( szDataFileName, sizeof(szDataFileName) );
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const char *pszFileName = V_GetFileName( szDataFileName );
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TrackedVPKFile_t trackedVPKFile;
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trackedVPKFile.m_nPackFileNumber = VPKHandle.m_nFileNumber;
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trackedVPKFile.m_PackFileID = VPKHandle.m_pOwner->m_PackFileID;
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trackedVPKFile.m_nFileFraction = nFileFraction;
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trackedVPKFile.m_idxAllOpenedFiles = IdxFileFromName( pszFileName, "GAME", nFileFraction, true );
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m_treeTrackedVPKFiles.Insert( trackedVPKFile );
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TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ trackedVPKFile.m_idxAllOpenedFiles ];
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// These set in IdxFileFromName:
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// trackedfile.m_crcIdentifier
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// trackedfile.m_filename
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// trackedfile.m_path
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// trackedfile.m_bPackOrVPKFile
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// trackedfile.m_nFileFraction
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// Not set:
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// trackedfile.m_iLoadedSearchPathStoreId
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// trackedfile.m_bIgnoredForPureServer
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trackedfile.m_bFileInVPK = false;
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trackedfile.m_bPackOrVPKFile = true;
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trackedfile.m_filehashFinal.m_cbFileLen = cbFileLen;
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trackedfile.m_filehashFinal.m_eFileHashType = FileHash_t::k_EFileHashTypeEntireFile;
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trackedfile.m_filehashFinal.m_nPackFileNumber = nPackFileNumber;
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trackedfile.m_filehashFinal.m_PackFileID = VPKHandle.m_pOwner->m_PackFileID;
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trackedfile.m_filehashFinal.m_crcIOSequence = cbFileLen;
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Q_memcpy( trackedfile.m_filehashFinal.m_md5contents.bits, md5.bits, sizeof( md5.bits) );
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#endif // !DEDICATED
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}
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#endif // SUPPORT_PACKED_STORE
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int CFileTracker2::IdxFileFromName( const char *pFilename, const char *pPathID, int nFileFraction, bool bPackOrVPKFile )
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{
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TrackedFile_t trackedfile;
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trackedfile.RebuildFileName( m_stringPool, pFilename, pPathID, nFileFraction );
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trackedfile.m_bPackOrVPKFile = bPackOrVPKFile;
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int idxFile = m_treeAllOpenedFiles.Find( trackedfile );
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if ( idxFile == m_treeAllOpenedFiles.InvalidIndex() )
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{
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idxFile = m_treeAllOpenedFiles.Insert( trackedfile );
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}
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return idxFile;
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}
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#ifdef SUPPORT_PACKED_STORE
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int CFileTracker2::NotePackFileOpened( const char *pVPKAbsPath, const char *pPathID, int64 nLength )
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{
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#if !defined( _GAMECONSOLE )
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AUTO_LOCK( m_Mutex );
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int idxFile = IdxFileFromName( pVPKAbsPath, pPathID, 0, true );
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TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ idxFile ];
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// we have the real name we want to use. correct the name
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trackedfile.m_bPackOrVPKFile = true;
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trackedfile.m_PackFileID = idxFile + 1;
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trackedfile.m_filehashFinal.m_PackFileID = trackedfile.m_PackFileID;
|
|
trackedfile.m_filehashFinal.m_nPackFileNumber = -1;
|
|
m_treeAllOpenedFiles.Reinsert( idxFile );
|
|
return idxFile + 1;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
#endif // SUPPORT_PACKED_STORE
|
|
|
|
void CFileTracker2::NoteFileIgnoredForPureServer( const char *pFilename, const char *pPathID, int iSearchPathStoreId )
|
|
{
|
|
#if !defined( _GAMECONSOLE )
|
|
AUTO_LOCK( m_Mutex );
|
|
|
|
int idxFile = IdxFileFromName( pFilename, pPathID, 0, false );
|
|
m_treeAllOpenedFiles[ idxFile ].m_bIgnoredForPureServer = true;
|
|
#endif
|
|
}
|
|
|
|
void CFileTracker2::NoteFileLoadedFromDisk( const char *pFilename, const char *pPathID, int iSearchPathStoreId, FILE *fp, int64 nLength )
|
|
{
|
|
#if !defined( _GAMECONSOLE ) && !defined( DEDICATED )
|
|
AUTO_LOCK( m_Mutex );
|
|
|
|
Assert( iSearchPathStoreId != 0 );
|
|
|
|
int idxFile = IdxFileFromName( pFilename, pPathID, 0, false );
|
|
TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ idxFile ];
|
|
trackedfile.m_iLoadedSearchPathStoreId = iSearchPathStoreId;
|
|
#endif
|
|
}
|
|
|
|
void CFileTracker2::NoteFileUnloaded( const char *pFilename, const char *pPathID )
|
|
{
|
|
#if !defined( _GAMECONSOLE )
|
|
AUTO_LOCK( m_Mutex );
|
|
|
|
// Locate bookeeping entry, if any
|
|
TrackedFile_t trackedfile;
|
|
trackedfile.RebuildFileName( m_stringPool, pFilename, pPathID, 0 );
|
|
|
|
int idxFile = m_treeAllOpenedFiles.Find( trackedfile );
|
|
if ( idxFile >= 0 )
|
|
{
|
|
// Clear state
|
|
TrackedFile_t &trackedfile = m_treeAllOpenedFiles[ idxFile ];
|
|
trackedfile.m_iLoadedSearchPathStoreId = 0;
|
|
trackedfile.m_bIgnoredForPureServer = false;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int CFileTracker2::ListOpenedFiles( bool bAllOpened, const char *pchFilenameFind )
|
|
{
|
|
AUTO_LOCK( m_Mutex );
|
|
|
|
int i;
|
|
int InvalidIndex;
|
|
|
|
if ( bAllOpened )
|
|
{
|
|
i = m_treeAllOpenedFiles.FirstInorder();
|
|
InvalidIndex = m_treeAllOpenedFiles.InvalidIndex();
|
|
}
|
|
else
|
|
{
|
|
i = m_treeTrackedVPKFiles.FirstInorder();
|
|
InvalidIndex = m_treeTrackedVPKFiles.InvalidIndex();
|
|
}
|
|
|
|
Msg( "#, Path, FileName, (PackFileID, PackFileNumber), FileLen, FileFraction\n" );
|
|
|
|
int count = 0;
|
|
int cPackFiles = 0;
|
|
while ( i != InvalidIndex )
|
|
{
|
|
int index = bAllOpened ? i : m_treeTrackedVPKFiles[ i ].m_idxAllOpenedFiles;
|
|
TrackedFile_t &file = m_treeAllOpenedFiles[ index ];
|
|
|
|
if ( file.m_PackFileID )
|
|
cPackFiles++;
|
|
if ( !pchFilenameFind ||
|
|
Q_strstr( file.m_filename, pchFilenameFind ) ||
|
|
Q_strstr( file.m_path, pchFilenameFind ) )
|
|
{
|
|
Msg( "%d %s %s ( %d, %d ) %d %d%s%s\n",
|
|
count, file.m_path, file.m_filename, file.m_PackFileID, file.m_nPackFileNumber,
|
|
file.m_filehashFinal.m_cbFileLen, file.m_nFileFraction /*, file.m_crcIdentifier*/,
|
|
file.m_bFileInVPK ? " (invpk)" : "",
|
|
file.m_bPackOrVPKFile ? " (vpk)" : "");
|
|
}
|
|
|
|
i = bAllOpened ? m_treeAllOpenedFiles.NextInorder( i ) : m_treeTrackedVPKFiles.NextInorder( i );
|
|
count++;
|
|
}
|
|
|
|
Msg( "cThreadedBlocks:%d cDupMD5s:%d\n", m_cThreadBlocks, m_cDupMD5s );
|
|
Msg( "TrackedVPKFiles:%d AllOpenedFiles:%d files VPKfiles:%d StringPoolCount:%d\n",
|
|
m_treeTrackedVPKFiles.Count(), m_treeAllOpenedFiles.Count(), cPackFiles, m_stringPool.Count() );
|
|
return m_treeAllOpenedFiles.Count();
|
|
}
|
|
|
|
static void CC_TrackerListAllFiles( const CCommand &args )
|
|
{
|
|
const char *pchFilenameFind = ( args.ArgC() >= 2 ) ? args[1] : NULL;
|
|
BaseFileSystem()->m_FileTracker2.ListOpenedFiles( true, pchFilenameFind );
|
|
}
|
|
static ConCommand trackerlistallfiles( "trackerlistallfiles", CC_TrackerListAllFiles, "TrackerListAllFiles" );
|
|
|
|
static void CC_TrackerListVPKFiles( const CCommand &args )
|
|
{
|
|
const char *pchFilenameFind = ( args.ArgC() >= 2 ) ? args[1] : NULL;
|
|
BaseFileSystem()->m_FileTracker2.ListOpenedFiles( false, pchFilenameFind );
|
|
}
|
|
static ConCommand trackerlistvpkfiles( "trackerlistvpkfiles", CC_TrackerListVPKFiles, "TrackerListVPKFiles" );
|
|
|
|
#endif // !DEDICATED
|