--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baseport/syborg/svphostfs/fs/svphostmnt.cpp	Tue Aug 04 10:28:23 2009 +0100
@@ -0,0 +1,335 @@
+/*
+* 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"
+
+#define HOST_SVP_DRIVE_SIZE 1024*1024*1024
+#define HOST_SVP_DRIVE_FREE_SIZE 10*1024*1024
+
+LOCAL_C TInt GetMediaSize(TInt /*aDriveNumber*/,TInt64& aSize,TInt64& aFree)
+//
+// Return the size and free space on a drive.
+//
+	{
+        DP(_L("** (SVPHOSTMNT) GetMediaSize"));
+
+	aSize = HOST_SVP_DRIVE_SIZE;
+	aFree = HOST_SVP_DRIVE_FREE_SIZE;
+	return(KErrNone);
+	}
+
+LOCAL_C TInt GetVolume(TInt /*aDriveNumber*/,TDes& aName,TUint& aUniqueID)
+//
+// Return the volume name and uniqueID.
+//
+	{
+        DP(_L("** (SVPHOSTMNT) GetVolume"));
+
+	aUniqueID=1234;
+	aName=(_L("SVPHOSTDRV"));
+	return(KErrNone);	
+	}
+
+void CanonicalizePathname(const TDesC& aName, TInt aDrive, TDes& n, THostFileName& aHostName)
+        {
+	DP(_L("** (SVPHOSTMNT) CanonicalizePathname (%S)"), &aName);
+	n += TDriveUnit(aDrive).Name();
+	n += aName;
+	TParse parse;
+	parse.Set(n,NULL,NULL);
+	n=parse.FullName();
+	aHostName.Copy(n);
+	DP(_L("-> (%S)"), &aHostName);
+	}
+
+void CanonicalizePathname(const TDesC& aName, TInt aDrive, THostFileName& aHostName)
+        {
+	TUint16 buf[KMaxPath];
+	TPtr n(buf, KMaxPath);
+	CanonicalizePathname(aName, aDrive, n, aHostName);
+	}
+
+
+
+//////////////////////////////////////////////////////////////////////////
+//	CSVPHostMountCB							//
+//////////////////////////////////////////////////////////////////////////	
+
+
+CSVPHostMountCB::CSVPHostMountCB()
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::CSVPHostMountCB()"));
+
+	__DECLARE_NAME(_S("CSVPHostMountCB"));
+	}
+
+CSVPHostMountCB::~CSVPHostMountCB()
+	{
+	DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::~CSVPHostMountCB()"));
+	iDevice.Close();
+	}
+
+void CSVPHostMountCB::MountL(TBool /*aForceMount*/)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::MountL()"));
+
+	TInt err = iDevice.Open();
+	User::LeaveIfError(err);
+
+	TFileName driveName;
+	TInt d=Drive().DriveNumber();
+	iSize=HOST_SVP_DRIVE_SIZE;
+	User::LeaveIfError(GetVolume(d,driveName,iUniqueID));
+	HBufC* pN=driveName.AllocL();
+	DP(_L("** (SVPHOSTMNT) ->SetVolumeName()"));
+	SetVolumeName(pN);
+	DP(_L("** (SVPHOSTMNT) <-SetVolumeName()"));
+
+	}
+
+TInt CSVPHostMountCB::ReMount()
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::ReMount()"));
+
+	TFileName n;
+	TInt d=Drive().DriveNumber();
+	TUint uniqueID;
+	TInt r=GetVolume(d,n,uniqueID);
+	if (r!=KErrNone)
+		return(r);
+	if (n==VolumeName() && uniqueID==iUniqueID)
+		return(KErrNone);
+	return(KErrGeneral);
+	}
+
+void CSVPHostMountCB::Dismounted()
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::Dismounted()"));
+	}
+
+void CSVPHostMountCB::VolumeL(TVolumeInfo& aVolume) const
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::VolumeL()"));
+	TInt64 s,f(0);
+	TFileName n;
+	TInt d=Drive().DriveNumber();
+	User::LeaveIfError(GetMediaSize(d,s,f));
+	aVolume.iFree=f;
+	}
+
+void CSVPHostMountCB::SetVolumeL(TDes& /*aName*/)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::SetVolumeL()"));
+	User::Leave(KErrNotSupported);
+	}
+
+void CSVPHostMountCB::IsFileInRom(const TDesC& /*aName*/,TUint8*& /*aFileStart*/)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::IsFileInRom()"));
+	}
+
+void CSVPHostMountCB::MkDirL(const TDesC& aName)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::MkDirL()"));
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsMkDirInfo info(driveNumber, name, 0777);
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().MkDir(info));
+	}
+
+void CSVPHostMountCB::RmDirL(const TDesC& aName)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::RmDirL()"));
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsRmDirInfo info(driveNumber, name);
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().RmDir(info));
+	}
+
+void CSVPHostMountCB::DeleteL(const TDesC& aName)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::DeleteL()"));
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsDeleteInfo info(driveNumber, name);
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().Delete(info));
+	}
+
+void CSVPHostMountCB::RenameL(const TDesC& anOldName,const TDesC& aNewName)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::RenameL()"));
+	// TODO: do we allow renaming across drives?
+	TBuf<KMaxPath> oldName, newName;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(anOldName, driveNumber, oldName);
+	CanonicalizePathname(aNewName, driveNumber, newName);
+	TSVPHostFsRenameInfo info(driveNumber, oldName, newName);
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().Rename(info));
+	}
+
+void CSVPHostMountCB::ReplaceL(const TDesC& anOldName,const TDesC& aNewName)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::ReplaceL()"));
+
+	if(FileNamesIdentical(anOldName,aNewName))
+		{
+		return;
+		}
+	TBuf<KMaxPath> oldName, newName;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(anOldName, driveNumber, oldName);
+	CanonicalizePathname(aNewName, driveNumber, newName);
+	TSVPHostFsReplaceInfo info(driveNumber, oldName, newName);
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().Replace(info));
+	}
+
+void CSVPHostMountCB::ReadUidL(const TDesC& aName,TEntry& anEntry) const
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::ReadUidL()"));
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsFileOpenInfo fileOpenInfo(driveNumber, name,EFileRead,EFileOpen);
+	TInt err = SVP_HOST_FS_DEVICE().FileOpen(fileOpenInfo);
+
+	User::LeaveIfError(err);
+
+	TBuf8<sizeof(TCheckedUid)> uidBuf;
+	uidBuf.SetLength(sizeof(TCheckedUid));
+
+	TSVPHostFsFileReadInfo fileReadInfo(driveNumber, fileOpenInfo.iHandle,sizeof(TCheckedUid),0,(char*)uidBuf.Ptr());
+
+	if (KErrNone != SVP_HOST_FS_DEVICE().FileRead(fileReadInfo))
+		User::LeaveIfError(SVP_HOST_FS_DEVICE().FileClose(driveNumber, fileOpenInfo.iHandle));
+
+	DP(_L("** (SVPHOSTMNT) CSVPHostFileCB::ReadUidL sizeof(TCheckedUid) %d fileOpenInfo.iLength %d "), sizeof(TCheckedUid), fileReadInfo.iLength);
+
+	if (fileReadInfo.iLength!=sizeof(TCheckedUid))
+	        User::LeaveIfError(SVP_HOST_FS_DEVICE().FileClose(driveNumber, fileOpenInfo.iHandle));
+
+	TCheckedUid uid(uidBuf);
+	anEntry.iType=uid.UidType();
+
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().FileClose(driveNumber, fileOpenInfo.iHandle));
+	}
+
+void CSVPHostMountCB::EntryL(const TDesC& aName,TEntry& anEntry) const
+	{
+	DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::EntryL(%S)"), &aName);
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsEntryInfo info(driveNumber, name);
+	User::LeaveIfError(SVP_HOST_FS_DEVICE().Entry(info));
+	anEntry.iAtt=info.iAtt&KEntryAttMaskSupported;
+	anEntry.iSize=info.iSize;
+	fileTimeToTime(info.iModified,anEntry.iModified, info.iTimeType);
+
+	}
+
+void timeToFileTime(TUint32& t,const TTime& aTime, TFileTimeType aType);
+
+void CSVPHostMountCB::SetEntryL(const TDesC& aName,const TTime& aTime,TUint aSetAttMask,TUint aClearAttMask)
+	{
+	DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::SetEntryL()"));
+
+	//User::Leave(KErrNotSupported);
+	}
+
+void CSVPHostMountCB::FileOpenL(const TDesC& aName,TUint aMode,TFileOpen anOpen,CFileCB* aFile)
+	{
+	DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::FileOpenL(%S)"), &aName);
+	CSVPHostFileCB& file=(*((CSVPHostFileCB*)aFile));
+
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsFileOpenInfo info(driveNumber, name,aMode,anOpen);
+	TInt err = SVP_HOST_FS_DEVICE().FileOpen(info);
+
+	User::LeaveIfError(err);
+
+	file.SetHandle(info.iHandle);
+	file.SetSize(info.iSize);
+	file.SetAtt(info.iAtt&KEntryAttMaskSupported);
+	TTime tempTime=file.Modified();
+	fileTimeToTime(info.iModified, tempTime, info.iTimeType);
+	file.SetModified(tempTime);
+	}
+
+void CSVPHostMountCB::DirOpenL(const TDesC& aName ,CDirCB* aDir)
+	{
+	DP(_L("CFatMountCB::DirOpenL, drv:%d, %S"), DriveNumber(), &aName);
+	CSVPHostDirCB& dir=(*((CSVPHostDirCB*)aDir));
+
+	TBuf<KMaxPath> name;
+	TUint driveNumber = Drive().DriveNumber();
+	CanonicalizePathname(aName, driveNumber, name);
+	TSVPHostFsDirOpenInfo info(driveNumber, name);
+	TInt err = SVP_HOST_FS_DEVICE().DirOpen(info);
+
+	User::LeaveIfError(err);
+
+	dir.SetHandle(info.iHandle);
+	TFileName n(TDriveUnit(Drive().DriveNumber()).Name());
+	n.Append(aName);
+	dir.SetFullName(n);
+	}
+
+void CSVPHostMountCB::RawReadL(TInt64 /*aPos*/,TInt /*aLength*/,const TAny* /*aTrg*/,TInt /*anOffset*/,const RMessagePtr2& /*aMessage*/) const
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::RawReadL()"));
+	User::Leave(KErrNotSupported);
+	}
+
+void CSVPHostMountCB::RawWriteL(TInt64 /*aPos*/,TInt /*aLength*/,const TAny* /*aSrc*/,TInt /*anOffset*/,const RMessagePtr2& /*aMessage*/)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::RawWriteL()"));
+	User::Leave(KErrNotSupported);
+	}
+
+void CSVPHostMountCB::GetShortNameL(const TDesC& aLongName,TDes& aShortName)
+	{
+	DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::GetShortNameL(%S)"), &aLongName);
+	aShortName = aLongName;
+	}
+
+void CSVPHostMountCB::GetLongNameL(const TDesC& aShortName,TDes& aLongName)
+	{
+	DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::GetLongNameL(%S)"), &aShortName);
+	aLongName = aShortName;
+	}
+
+void CSVPHostMountCB::ReadSectionL(const TDesC& /*aName*/,TInt /*aPos*/,TAny* /*aTrg*/,TInt /*aLength*/,const RMessagePtr2& /*aMessage*/)
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::RawSectionL()"));
+	User::Leave(KErrNotSupported);
+	}
+
+TBool CSVPHostMountCB::IsRomDrive() const
+	{
+        DP(_L("** (SVPHOSTMNT) CSVPHostMountCB::IsRomDrive()"));
+	return(EFalse);
+	}