--- a/memspy/Engine/Source/Sink/MemSpyEngineOutputSinkFile.cpp Thu Sep 02 22:05:40 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,749 +0,0 @@
-/*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-#include "MemSpyEngineOutputSinkFile.h"
-
-// System includes
-#include <e32svr.h>
-
-// User includes
-#include <memspy/engine/memspyenginelogger.h>
-#include <memspy/engine/memspyengineutils.h>
-
-// Constants
-const TInt KMemSpyLineBufferLength = 1024;
-const TInt KMemSpyFileServerBufferExpandSize = 1024 * 32;
-
-// Literal constants
-_LIT8( KMemSpyCRLF, "\r\n" );
-
-
-CMemSpyEngineOutputSinkFile::CMemSpyEngineOutputSinkFile( CMemSpyEngine& aEngine )
-: CMemSpyEngineOutputSink( aEngine )
- {
- }
-
-
-CMemSpyEngineOutputSinkFile::~CMemSpyEngineOutputSinkFile()
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::~CMemSpyEngineOutputSinkFile() - START" ) );
-
- delete iRoot;
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::~CMemSpyEngineOutputSinkFile() - destroying normal logs..." ) );
- iLogs.ResetAndDestroy();
- iLogs.Close();
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::~CMemSpyEngineOutputSinkFile() - destroying limbo logs..." ) );
- iLogsPendingDestruction.ResetAndDestroy();
- iLogsPendingDestruction.Close();
-
- iFsSession.Close();
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::~CMemSpyEngineOutputSinkFile() - END" ) );
- }
-
-
-void CMemSpyEngineOutputSinkFile::ConstructL( const TDesC& aRootFolder )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructL() - START" ) );
-
- iRoot = aRootFolder.AllocL();
-
- BaseConstructL();
-
- // Identify the file server process id
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructL() - identifying f32 process id..." ) );
- iFileServerProcessId = MemSpyEngineUtils::IdentifyFileServerProcessIdL();
-
- // Create the standard output file
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructL() - connecting to f32..." ) );
- User::LeaveIfError( iFsSession.Connect() );
-
- // Make default log file
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructL() - preparing default log..." ) );
- ConstructDefaultLogFileL();
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructL() - END" ) );
- }
-
-
-CMemSpyEngineOutputSinkFile* CMemSpyEngineOutputSinkFile::NewL( CMemSpyEngine& aEngine, const TDesC& aRootFolder )
- {
- CMemSpyEngineOutputSinkFile* self = new(ELeave) CMemSpyEngineOutputSinkFile( aEngine );
- CleanupStack::PushL( self );
- self->ConstructL( aRootFolder );
- CleanupStack::Pop( self );
- return self;
- }
-
-
-void CMemSpyEngineOutputSinkFile::ProcessSuspendedL( TProcessId aId )
- {
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::ProcessSuspendedL() - START - aId: %d, iFileServerSuspended: %d, iFileServerProcessId: %d"), (TUint) aId, iFileServerSuspended, (TUint) iFileServerProcessId ) );
-
- iFileServerSuspended = ( (TUint) aId == iFileServerProcessId );
- if ( iFileServerSuspended )
- {
- const TInt count = iLogs.Count();
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::ProcessSuspendedL() - enabling buffers for %d logs"), count ) );
- for( TInt i=0; i<count; i++ )
- {
- CMemSpyEngineFileHolder* log = iLogs[i];
- log->EnableBufferL();
- }
- }
-
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::ProcessSuspendedL() - END - aId: %d, iFileServerSuspended: %d"), (TUint) aId, iFileServerSuspended ) );
- }
-
-
-void CMemSpyEngineOutputSinkFile::ProcessResumed( TProcessId aId )
- {
- const TBool isF32Process = ( (TUint) aId == iFileServerProcessId );
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::ProcessResumed() - START - aId: %d, iFileServerSuspended: %d, isF32Process: %d"), (TUint) aId, iFileServerSuspended, isF32Process ) );
- //
- if ( iFileServerSuspended )
- {
- __ASSERT_ALWAYS( isF32Process, User::Invariant() );
-
- TRAPD( err, DisableAllBuffersAfterFileServerResumedL() );
- if ( err != KErrNone )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ProcessResumed() - disabled all buffers, completed with err: %d", err ) );
- }
-
- iLogsPendingDestruction.ResetAndDestroy();
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ProcessResumed() - deleted all pending destruction logs..." ) );
-
- // Indicate file server is no longer suspended
- iFileServerSuspended = EFalse;
- }
-
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::ProcessResumed() - END - aId: %d, iFileServerSuspended: %d, isF32Process: %d"), (TUint) aId, iFileServerSuspended, isF32Process ) );
- }
-
-
-TMemSpySinkType CMemSpyEngineOutputSinkFile::Type() const
- {
- return ESinkTypeFile;
- }
-
-
-void CMemSpyEngineOutputSinkFile::DataStreamBeginL( const TDesC& aContext, const TDesC& aFolder, const TDesC& aExtension )
- {
- DataStreamBeginL( aContext, aFolder, aExtension, ETrue );
- }
-
-
-void CMemSpyEngineOutputSinkFile::DataStreamBeginL( const TDesC& aContext, const TDesC& aFolder, const TDesC& aExtension, TBool aOverwrite )
- {
- DataStreamBeginL( aContext, aFolder, aExtension, aOverwrite, ETrue );
- }
-
-
-void CMemSpyEngineOutputSinkFile::DataStreamBeginL( const TDesC& aContext, const TDesC& aFolder, const TDesC& aExtension, TBool aOverwrite, TBool aUseTimeStamp )
- {
- CMemSpyEngineSinkMetaData* meta = CMemSpyEngineSinkMetaData::NewL( iRoot->Des(), aContext, aFolder, aExtension, aOverwrite, aUseTimeStamp );
- CleanupStack::PushL( meta );
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamBeginL() - START - log count: %d, iFileServerSuspended: %d", iLogs.Count(), iFileServerSuspended ) );
- //
- CMemSpyEngineFileHolder* log = NULL;
- if ( iFileServerSuspended )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamBeginL() - F32 SUSPENDED!" ) );
- log = CMemSpyEngineFileHolder::NewLogToRAML( *this, meta );
- }
- else
- {
- log = CMemSpyEngineFileHolder::NewL( *this, meta );
- }
- //
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamBeginL() - log: 0x%08x", log ) );
- CleanupStack::Pop( meta );
- CleanupStack::PushL( log );
- iLogs.AppendL( log );
- CleanupStack::Pop( log );
- //
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::DataStreamBeginL() - END - log count: %d, iFileServerSuspended: %d, fileName: [%S]"), iLogs.Count(), iFileServerSuspended, &log->FileName() ) );
- }
-
-
-void CMemSpyEngineOutputSinkFile::DataStreamEndL()
- {
- const TInt count = iLogs.Count();
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamEndL() - count: %d", count ) );
-
- __ASSERT_ALWAYS( count > 1, User::Invariant() );
-
- CMemSpyEngineFileHolder* headLog = iLogs[ count - 1 ];
- iLogs.Remove( count - 1 );
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamEndL() - headLog: 0x%08x", headLog ) );
-
- if ( headLog->UsingBuffer() )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamEndL() - headLog is using buffer so doing deferred delete when F32 is not suspended anymore..." ) );
-
- // Must save the log until after its safe to resume
- // writing to disk.
- CleanupStack::PushL( headLog );
- iLogsPendingDestruction.AppendL( headLog );
- CleanupStack::Pop( headLog );
- }
- else
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamEndL() - deleting head log immediately!" ) );
- delete headLog;
- }
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DataStreamEndL() - END" ) );
- }
-
-
-void CMemSpyEngineOutputSinkFile::DoOutputLineL( const TDesC& aLine )
- {
- HeadLog().WriteLineL( aLine );
- }
-
-
-void CMemSpyEngineOutputSinkFile::DoOutputRawL( const TDesC8& aData )
- {
- HeadLog().WriteRawL( aData );
- }
-
-
-TBool CMemSpyEngineOutputSinkFile::IsPrefixAllowed( const TDesC& /*aPrefix*/ )
- {
- // If we are outputting to the main log, then we must allow
- // the prefix. If we are outputting to a child log, then we don't
- // need it.
- return HeadLog().IsMainLog();
- }
-
-
-void CMemSpyEngineOutputSinkFile::ConstructDefaultLogFileL()
- {
- CMemSpyEngineFileHolder* log = CMemSpyEngineFileHolder::NewLC( *this );
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructDefaultLogFileL() - START - headLog: 0x%08x", log ) );
- iLogs.AppendL( log );
- CleanupStack::Pop( log );
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructDefaultLogFileL() - END - headLog: 0x%08x", log ) );
- }
-
-
-void CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL()
- {
- const TInt count = iLogs.Count();
- const TInt count2 = iLogsPendingDestruction.Count();
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL() - START - logs: %d, pending: %d", count, count2 ) );
-
- TInt err = KErrNone;
-
- // Inform logging object that they should stop logging to RAM. This may cause files
- // to be opened and data flushed.
- for( TInt i=0; i<count; i++ )
- {
- CMemSpyEngineFileHolder* log = iLogs[ i ];
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL() - logN[%2d]: 0x%08x, name: %S"), i, log, &log->FileName() ) );
- TRAP(err, log->DisableBufferL() );
- if ( err != KErrNone )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL() - error whilst closing log: %d", err ) );
- }
- }
-
- // Finalise any pending destruction log objects. These are log objects
- // that were created and finalised whilst the file server was suspended.
- for( TInt ii = count2-1; ii>=0; ii--)
- {
- CMemSpyEngineFileHolder* log = iLogsPendingDestruction[ ii ];
- TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL() - logPD[%2d]: 0x%08x, name: %S"), ii, log, &log->FileName() ) );
- TRAP(err, log->DisableBufferL() );
- if ( err != KErrNone )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL() - error whilst closing log: %d", err ) );
- }
- }
-
- TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::DisableAllBuffersAfterFileServerResumedL() - END" ) );
- }
-
-
-CMemSpyEngineFileHolder& CMemSpyEngineOutputSinkFile::HeadLog() const
- {
- // Head log is always the first log
- const TInt count = iLogs.Count();
- __ASSERT_ALWAYS( count >= 1, User::Invariant() );
- CMemSpyEngineFileHolder* headLog = iLogs[ count - 1 ];
-
- //TRACE( RDebug::Print( _L("CMemSpyEngineOutputSinkFile::HeadLog() - headLog: 0x%08x %S"), headLog, &headLog->FileName() ) );
- return *headLog;
- }
-
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-CMemSpyEngineFileHolder::CMemSpyEngineFileHolder( CMemSpyEngineOutputSinkFile& aParent, CMemSpyEngineSinkMetaData* aMetaData )
-: iParent( aParent ), iMetaData( aMetaData )
- {
- }
-
-
-CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder()
- {
- TPtrC pFileName( KNullDesC );
- if ( iFileName != NULL )
- {
- pFileName.Set( *iFileName );
- }
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - START - this: 0x%08x, iFileName: %S, handle: 0x%08x, iEntireFileBuffer: 0x%08x, iIsMainLog: %d"), this, &pFileName, iFile.SubSessionHandle(), iEntireFileBuffer, iIsMainLog ) );
-
- if ( iEntireFileBuffer || iWorkingBuffer )
- {
- // This may actually open the file
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - disabling file buffers..." ) );
- TRAP_IGNORE( DisableBufferL() );
- }
-
- // Now close the file, deleting anything that is empty
- if ( iFile.SubSessionHandle() != KNullHandle )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - flushing file..." ) );
-
- // Flush anything that is pending and then check whether
- // the file is empty. If so, delete it.
- iFile.Flush(); // Ignore error
-
- // Delete empty files
- TInt size = 0;
- TInt err = iFile.Size( size );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - size: %d, err: %d", size, err ) );
-
- if ( err == KErrNone && size == 0 )
- {
- // Close the file and get F32 to delete it...
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - deleting empty file!" ) );
- iFile.Close();
- err = FsSession().Delete( *iFileName );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - delete err: %d", err ) );
- }
- }
- //
- iFile.Close();
- //
- delete iLineBuffer;
- delete iWorkingBuffer;
- delete iEntireFileBuffer;
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::~CMemSpyEngineFileHolder() - END - this: 0x%08x, iFileName: %S, iIsMainLog: %d"), this, &pFileName, iIsMainLog ) );
- delete iFileName;
- delete iMetaData;
- }
-
-
-void CMemSpyEngineFileHolder::CommonConstructL()
- {
- if ( iLineBuffer == NULL )
- {
- iLineBuffer = HBufC8::NewL( KMemSpyLineBufferLength );
- }
- if ( iWorkingBuffer == NULL )
- {
- iWorkingBuffer = CBufFlat::NewL( KMemSpyFileServerBufferExpandSize );
- }
- }
-
-
-void CMemSpyEngineFileHolder::ConstructL()
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::ConstructL(D) - START" ) );
- iIsMainLog = ETrue;
-
- // Make emtpy meta data
- ASSERT( !iMetaData );
- iMetaData = CMemSpyEngineSinkMetaData::NewL( KNullDesC, KNullDesC, KNullDesC, KNullDesC, ETrue, ETrue );
-
- // Prepare common details
- CommonConstructL();
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::ConstructL(D) - CommonConstructL() completed okay..." ) );
-
- // Construct the default log file.
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::ConstructL(D) - calling OpenFileL()..." ) );
- OpenFileL();
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::ConstructL(D) - called OpenFileL()" ) );
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::ConstructL(D) - END - iIsMainLog: %d", iIsMainLog ) );
- }
-
-
-
-CMemSpyEngineFileHolder* CMemSpyEngineFileHolder::NewLC( CMemSpyEngineOutputSinkFile& aParent )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::NewLC() - START") );
- CMemSpyEngineFileHolder* self = new(ELeave) CMemSpyEngineFileHolder( aParent, NULL );
- CleanupStack::PushL( self );
- self->ConstructL();
- return self;
- }
-
-
-CMemSpyEngineFileHolder* CMemSpyEngineFileHolder::NewL( CMemSpyEngineOutputSinkFile& aParent, CMemSpyEngineSinkMetaData* aMetaData )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::NewL() - START") );
- CMemSpyEngineFileHolder* self = new(ELeave) CMemSpyEngineFileHolder( aParent, aMetaData );
- CleanupStack::PushL( self );
- self->CommonConstructL();
- self->OpenFileL();
- CleanupStack::Pop( self );
- return self;
- }
-
-
-CMemSpyEngineFileHolder* CMemSpyEngineFileHolder::NewLogToRAML( CMemSpyEngineOutputSinkFile& aParent, CMemSpyEngineSinkMetaData* aMetaData )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::NewLogToRAML() - START") );
- CMemSpyEngineFileHolder* self = new(ELeave) CMemSpyEngineFileHolder( aParent, aMetaData );
- CleanupStack::PushL( self );
- self->CommonConstructL();
- self->EnableBufferL();
- CleanupStack::Pop( self );
- return self;
- }
-
-
-void CMemSpyEngineFileHolder::OpenFileL()
- {
- TInt err = KErrNone;
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - START - iMetaData: 0x%08x", iMetaData ) );
- ASSERT( iMetaData );
-
- delete iFileName;
- iFileName = NULL;
- if ( iFile.SubSessionHandle() != KNullHandle )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - closing existing file..." ) );
- iFile.Flush();
- iFile.Close();
- }
-
- // First try, with current external drive
- TRAP( err, PrepareFileL() );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - PrepareFileL(1) - err: %d", err ) );
-
- if ( err != KErrNone )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - trying with forced C:\\ ..." ) );
-
- // Try again with C:\ instead...
- const TDriveNumber cDrive = EDriveC;
- TRAP(err, PrepareFileL( &cDrive ) );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - PrepareFileL(2) - err: %d", err ) );
- }
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - final err: %d", err ) );
- User::LeaveIfError( err );
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::OpenFileL() - END - OK - iIsMainLog: %d", iIsMainLog ) );
- }
-
-
-void CMemSpyEngineFileHolder::PrepareFileL( const TDriveNumber* aForceDrive )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - START - this: 0x%08x", this ) );
- ASSERT( iMetaData );
-
- iFileName = GenerateFileNameLC( aForceDrive );
- CleanupStack::Pop( iFileName );
-
- // Try to make log directory - ignore if already exists
- TInt error = FsSession().MkDirAll( *iFileName );
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::PrepareFileL() - iFileName: %S, mkDir: %d, aOverwrite: %d"), iFileName, error, iMetaData->Overwrite() ) );
-
- if ( error == KErrNone || error == KErrAlreadyExists )
- {
- if ( iMetaData->Overwrite() )
- {
- error = iFile.Replace( FsSession(), *iFileName, EFileWrite );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - overwrite/replace error: %d", error ) );
- }
- else
- {
- error = iFile.Open( FsSession(), *iFileName, EFileWrite );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - open error: %d", error ) );
-
- // Try creating it then...
- if ( error == KErrNotFound )
- {
- error = iFile.Create( FsSession(), *iFileName, EFileWrite );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - create error: %d", error ) );
- }
- }
-
- // Seek to end of file
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - final error: %d", error ) );
- if ( error == KErrNone )
- {
- TInt pos = 0;
- error = iFile.Seek( ESeekEnd, pos );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - seek error: %d", error ) );
- }
- }
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::PrepareFileL() - END - this: 0x%08x, error: %d", this, error ) );
- User::LeaveIfError( error );
- }
-
-
-void CMemSpyEngineFileHolder::WriteLineL( const TDesC& aData )
- {
- TPtr8 pText( iLineBuffer->Des() );
- pText.Copy( aData );
- pText.Append( KMemSpyCRLF );
-
- if ( iWorkingBuffer != NULL )
- {
- AddToWorkingBufferL( pText );
- }
- else if ( iFile.SubSessionHandle() != KNullHandle )
- {
- const TInt error = iFile.Write( pText );
- if ( error != KErrNone )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::WriteLineL() - FILE WRITE ERROR - this: 0x%08x, error: %d", this, error ) );
- }
- User::LeaveIfError( error );
- }
- else
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::WriteLineL() - DISCARDING LINE!" ) );
- }
- }
-
-
-void CMemSpyEngineFileHolder::WriteRawL( const TDesC8& aData )
- {
- const TInt error = iFile.Write( aData );
- User::LeaveIfError( error );
- }
-
-
-void CMemSpyEngineFileHolder::EnableBufferL()
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::EnableBufferL() - START - this: 0x%08x", this ) );
- if ( iEntireFileBuffer == NULL )
- {
- iEntireFileBuffer = CBufFlat::NewL( KMemSpyFileServerBufferExpandSize );
- }
- //
- iEntireFileBuffer->Reset();
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::EnableBufferL() - END - this: 0x%08x", this ) );
- }
-
-
-void CMemSpyEngineFileHolder::DisableBufferL()
- {
-#ifdef _DEBUG
- TInt size = 0;
- if ( iFile.SubSessionHandle() != KNullHandle )
- {
- iFile.Size( size );
- }
- TInt ramBufferSize = 0;
- if ( iEntireFileBuffer )
- {
- ramBufferSize = iEntireFileBuffer->Size();
- }
- //
- RDebug::Printf( "CMemSpyEngineFileHolder::DisableBufferL() - START - file handle: 0x%08x, iEntireFileBuffer: 0x%08x, fileSize: %d, ramBufferSize: %d", iFile.SubSessionHandle(), iEntireFileBuffer, size, ramBufferSize );
-#endif
-
- // This will also open the file if necessary
- FlushWorkingBufferL();
- //
- if ( iEntireFileBuffer != NULL )
- {
- // Probably need to open the file...
- if ( iFile.SubSessionHandle() == KNullHandle )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::DisableBufferL() - FILE IS NOT YET OPEN!" ) );
- OpenFileL();
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::DisableBufferL() - file opened okay." ) );
- }
-
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::DisableBufferL() - about to write entire file buffer - file: %S"), &FileName() ) );
- const TPtr8 pBuffer( iEntireFileBuffer->Ptr( 0 ) );
- const TInt error = iFile.Write( pBuffer );
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::DisableBufferL() - write result: %d", error ) );
- //
- delete iEntireFileBuffer;
- iEntireFileBuffer = NULL;
- //
- User::LeaveIfError( error );
- }
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::DisableBufferL() - END" ) );
- }
-
-
-void CMemSpyEngineFileHolder::FlushWorkingBufferL()
- {
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::FlushWorkingBufferL() - START - fileName: [%S], file handle: 0x%08x, iWorkingBuffer: 0x%08x"), &FileName(), iFile.SubSessionHandle(), iWorkingBuffer ) );
- __ASSERT_ALWAYS( iWorkingBuffer, MemSpyEngineUtils::Panic( EMemSpyEnginePanicSinkFileWorkingFileBufferIsNull ) );
-
- // The underlying file may not be open - it could be that we are buffering everything
- // to RAM (i.e. the file server is currently suspended).
- const TPtr8 pBuffer( iWorkingBuffer->Ptr(0) );
- //
- if ( iEntireFileBuffer )
- {
- __ASSERT_ALWAYS( iEntireFileBuffer, MemSpyEngineUtils::Panic( EMemSpyEnginePanicSinkFileEntireFileBufferNull ) );
-
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::FlushWorkingBufferL() - file not open or we are currently bufferring to RAM - copying %d bytes to entire file buffer (%d)", pBuffer.Length(), iEntireFileBuffer->Size() ) );
- iEntireFileBuffer->InsertL( iEntireFileBuffer->Size(), pBuffer );
- }
- else if ( iFile.SubSessionHandle() != KNullHandle )
- {
- const TInt error = iFile.Write( pBuffer );
- if ( error != KErrNone )
- {
- TRACE( RDebug::Printf( "CMemSpyEngineFileHolder::FlushWorkingBufferL() - write result: %d", error ) );
- }
- User::LeaveIfError( error );
- }
-
- iWorkingBuffer->Reset();
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::FlushWorkingBufferL() - END - fileName: %S"), &FileName() ) );
- }
-
-
-void CMemSpyEngineFileHolder::AddToWorkingBufferL( const TDesC8& aText )
- {
- if ( iWorkingBuffer->Size() + aText.Length() > KMemSpyFileServerBufferExpandSize )
- {
- FlushWorkingBufferL();
- }
- //
- iWorkingBuffer->InsertL( iWorkingBuffer->Size(), aText );
- }
-
-
-HBufC* CMemSpyEngineFileHolder::CleanContextInfoLC( const TDesC& aContext )
- {
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::CleanContextInfoLC() - START - %S"), &aContext ) );
- TFileName fileName;
-
- TBool seenDoubleColon = EFalse;
- const TInt length = aContext.Length();
- for( TInt i=0; i<length; i++ )
- {
- const TChar c( aContext[ i ] );
- const TBool haveNextChar = ( i+1 < length );
- //
- //TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::CleanContextInfoLC() - c[%03d]: \'%c\', haveNextChar: %d, seenDoubleColon: %d"), i, (TUint32) c, haveNextChar, seenDoubleColon ) );
- //
- if ( c == ':' && haveNextChar && aContext[ i + 1 ] == ':' )
- {
- // Skip double colon
- i++;
- fileName.Append( '-' );
- seenDoubleColon = ETrue;
- }
- else if ( c == '.' )
- {
- if ( seenDoubleColon )
- {
- break;
- }
- else
- {
- fileName.Append( '-' );
- }
- }
- else
- {
- fileName.Append( c );
- }
- }
-
- TRACE( RDebug::Print( _L("CMemSpyEngineFileHolder::CleanContextInfoLC() - END - %S"), &fileName ) );
- return fileName.AllocLC();
- }
-
-
-HBufC* CMemSpyEngineFileHolder::GenerateFileNameLC( const TDriveNumber* aForceDrive )
- {
- TFileName name;
- MemSpyEngineUtils::GetFolderL( FsSession(), name, *iMetaData, aForceDrive );
- return name.AllocLC();
- }
-
-
-RFs& CMemSpyEngineFileHolder::FsSession()
- {
- return iParent.iFsSession;
- }
-
-
-const TDesC& CMemSpyEngineFileHolder::FileName() const
- {
- if ( iFileName )
- {
- return *iFileName;
- }
- //
- return KNullDesC;
- }
-