Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
//=======================================================================================//
#include "cl_recordingsessionblock.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//----------------------------------------------------------------------------------------
CClientRecordingSessionBlock::CClientRecordingSessionBlock( IReplayContext *pContext )
: CBaseRecordingSessionBlock( pContext ),
m_uBytesDownloaded( 0 ),
m_nDownloadStatus( DOWNLOADSTATUS_WAITING ),
m_nHttpError( HTTP_ERROR_NONE ),
m_bDataInvalid( false ),
m_nDownloadAttempts( 0 )
{
}
bool CClientRecordingSessionBlock::NeedsUpdate() const
{
// TODO: Is this correct?
return m_nDownloadStatus != DOWNLOADSTATUS_DOWNLOADED;
}
bool CClientRecordingSessionBlock::ShouldDownloadNow() const
{
return m_nRemoteStatus == STATUS_READYFORDOWNLOAD &&
m_nDownloadStatus == DOWNLOADSTATUS_READYTODOWNLOAD;
}
bool CClientRecordingSessionBlock::DownloadedSuccessfully() const
{
return m_nDownloadStatus == DOWNLOADSTATUS_DOWNLOADED &&
m_nHttpError == HTTP_ERROR_NONE;
}
bool CClientRecordingSessionBlock::Read( KeyValues *pIn )
{
if ( !BaseClass::Read( pIn ) )
return false;
m_nDownloadStatus = (DownloadStatus_t)pIn->GetInt( "download_status" );
m_nHttpError = (HTTPError_t)pIn->GetInt( "download_error" );
m_uBytesDownloaded = (uint32)pIn->GetInt( "bytes_downloaded", 0 );
m_bDataInvalid = pIn->GetInt( "data_invalid", 0 ) != 0;
// Read relative path and construct full path - must have a filename
const char *pBlockFile = pIn->GetString( "filename" );
if ( !V_strlen( pBlockFile ) )
{
AssertMsg( 0, "No block filename!" );
return false;
}
V_snprintf( m_szFullFilename, sizeof( m_szFullFilename ), "%s%s", GetPath(), pBlockFile );
return true;
}
void CClientRecordingSessionBlock::Write( KeyValues *pOut )
{
BaseClass::Write( pOut );
pOut->SetInt( "download_status", (int)m_nDownloadStatus );
pOut->SetInt( "download_error", (int)m_nHttpError );
pOut->SetInt( "bytes_downloaded", m_uBytesDownloaded );
pOut->SetInt( "data_invalid", (int)m_bDataInvalid );
// Get just the filename and write that
pOut->SetString( "filename", V_UnqualifiedFileName( m_szFullFilename ) );
}
void CClientRecordingSessionBlock::OnDelete()
{
BaseClass::OnDelete();
// Remove the actual binary block file itself
g_pFullFileSystem->RemoveFile( m_szFullFilename );
}
bool CClientRecordingSessionBlock::AttemptToResetForDownload()
{
// Attempt to download again?
if ( ++m_nDownloadAttempts < 3 )
{
DBG( "Trying downloading again.\n" );
m_nDownloadStatus = CClientRecordingSessionBlock::DOWNLOADSTATUS_READYTODOWNLOAD;
return true;
}
return false;
}
bool CClientRecordingSessionBlock::ValidateData( const void *pData, int nSize, unsigned char *pOutHash/*=NULL*/ ) const
{
unsigned char aDigest[16];
if ( !g_pEngine->MD5_HashBuffer( aDigest, (const unsigned char *)pData, nSize, NULL ) )
return false;
if ( pOutHash )
{
V_memcpy( pOutHash, aDigest, sizeof( aDigest ) );
}
return V_memcmp( aDigest, m_aHash, sizeof( m_aHash ) ) == 0;
}
//----------------------------------------------------------------------------------------