--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baseport/src/cedar/generic/base/syborg/svphostfs/fs/svphostfil.cpp	Fri Jul 31 14:43:15 2009 +0100
@@ -0,0 +1,213 @@
+/*
+* 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 the License "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 <f32file.h>
+#include <f32fsys.h>
+#include <f32ver.h>
+#include <e32uid.h>
+
+#include "svphostfsy.h"
+
+
+
+//////////////////////////////////////////////////////////////////////////
+//	CSVPHostFileCB							//
+//////////////////////////////////////////////////////////////////////////	
+
+CSVPHostFileCB::CSVPHostFileCB()
+//
+// Constructor
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::CSVPHostFileCB()"));
+
+	__DECLARE_NAME(_S("CSVPHostFileCB"));
+	}
+
+CSVPHostFileCB::~CSVPHostFileCB()
+//
+// Destructor
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::~CSVPHostFileCB()"));
+	if ((TInt)iHandle == KErrBadHandle) return;
+	
+	SVP_HOST_FS_DEVICE().FileClose(Drive().DriveNumber(), iHandle);
+	}
+
+TBool CSVPHostFileCB::IsRomDrive() const
+//
+// Returns ETrue if the drive number == EDriveZ
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::IsRomDrive()"));
+	return(EFalse);
+	}
+
+
+void CSVPHostFileCB::CheckPos(TInt /*aPos*/)
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::CheckPos()"));
+	}
+
+void CSVPHostFileCB::ReadL(TInt aPos,TInt& aLength ,const TAny* aDes , const RMessagePtr2& aMessage)
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL(%d,%d)"), aPos, aLength);
+
+	TInt n = 0;
+	TInt pos=aPos;
+	TInt len=aLength;
+	TBuf8<0x400> buf;
+
+	if (aMessage.Handle() == KLocalMessageHandle)
+		((TPtr8* )aDes)->SetLength(0);
+
+	TUint driveNumber = Drive().DriveNumber() ; 
+	while (len)
+		{
+		TInt s=Min(len,buf.MaxLength());
+		TSVPHostFsFileReadInfo info(driveNumber, iHandle,s,pos+n,(char*)buf.Ptr());
+
+		DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL pos %d s %d p 0x%08x"), pos+n, s, buf.Ptr());
+
+		User::LeaveIfError(SVP_HOST_FS_DEVICE().FileRead(info));
+
+		DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL read %d bytes"), info.iLength);
+
+		buf.SetLength(info.iLength);
+
+		DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL set buf length"));
+
+		if (aMessage.Handle() == KLocalMessageHandle)
+		        ((TPtr8* )aDes)->Append(buf);
+		else
+		        aMessage.WriteL(0,buf,n);
+		
+		n+=info.iLength;
+
+		if (((TInt)info.iLength)<s)
+		        break;
+		len-=info.iLength;
+		}
+	aLength=n;
+	iCurrentPos=n+aPos;
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL aLength %d iCurrentPos %d"), aLength, iCurrentPos);
+	}
+
+
+
+void CSVPHostFileCB::WriteL(TInt aPos, TInt& aLength, const TAny* aDes, const RMessagePtr2& aMessage)
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::WriteL(%d,%d)"), aPos, aLength);
+
+	TInt n=0;
+	TInt pos=aPos;
+	TInt len=aLength;
+	TBuf8<0x400> buf;
+	TUint driveNumber = Drive().DriveNumber() ; 
+	while (len)
+		{
+		TInt s=Min(len,buf.MaxLength());
+
+		if (aMessage.Handle() == KLocalMessageHandle)
+			buf.Copy( ((TPtr8* )aDes)->MidTPtr(n, s) );
+		else
+			aMessage.ReadL(0,buf,n);
+
+		TSVPHostFsFileWriteInfo info(driveNumber, iHandle,s,pos+n,(char*)buf.Ptr());
+
+		DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::WriteL pos %d s %d p 0x%08x"), pos+n, s, buf.Ptr());
+
+		User::LeaveIfError(SVP_HOST_FS_DEVICE().FileWrite(info));
+
+		DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::WriteL wrote %d bytes"), info.iLength);
+
+		if (((TInt)info.iLength)<s) 
+		  {
+		    DP(_L("** (SVPHOSTFIL) !!! CSVPHostFileCB::WriteL failed to write s %d bytes"), s);
+			User::Leave(KErrCorrupt);
+		  }
+
+		len-=info.iLength;
+		n+=info.iLength;
+		}
+	aLength=n;
+	iCurrentPos=n+aPos;
+	}
+
+TInt CSVPHostFileCB::Address(TInt& /*aPos*/) const
+//
+//	If ROM file, do a memory map and return the address
+//	Dummy implementation
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::Address()"));
+	return(KErrNone);
+	}
+
+void CSVPHostFileCB::SetSizeL(TInt aSize)
+//
+//	Set the file size
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::SetSizeL()"));
+	
+	TSVPHostFsFileSetSizeInfo info(Drive().DriveNumber(), iHandle,aSize);
+
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().FileSetSize(info));
+
+	}
+
+
+void CSVPHostFileCB::SetEntryL(const TTime& aTime,TUint aSetAttMask,TUint aClearAttMask)
+// TODO: Not tested
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::SetEntryL()"));
+	//User::Leave(KErrNotSupported);
+	}
+
+void CSVPHostFileCB::FlushAllL()
+//
+// Commit any buffered date to the media.
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::FlushAll()"));
+
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().FlushAll(Drive().DriveNumber()));
+	}
+
+
+void CSVPHostFileCB::FlushDataL()
+//
+//	Commit any buffered date to the media
+//	Dummy implementation of a pure virtual function
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::FlushDataL()"));
+	  
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().FlushData(Drive().DriveNumber()));
+	}
+
+void CSVPHostFileCB::RenameL(const TDesC& /*aNewName*/)
+//
+//	Rename the file while open
+//	Dummy implementation of a pure virtual function
+//
+	{
+	DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::RenameL()"));
+
+	}