--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/memspy/Engine/Source/Sink/MemSpyEngineOutputSinkFile.cpp Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,745 @@
+/*
+* 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" ) );
+
+ 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()
+ {
+ TRACE( RDebug::Printf( "CMemSpyEngineOutputSinkFile::ConstructL() - START" ) );
+
+ 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 )
+ {
+ CMemSpyEngineOutputSinkFile* self = new(ELeave) CMemSpyEngineOutputSinkFile( aEngine );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ 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( 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, 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;
+ }
+