--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/integrityservices/operationfunctions.cpp Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,143 @@
+/*
+* Copyright (c) 2006-2009 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:
+*
+*/
+
+
+/**
+ @file
+ @released
+ @internalTechnology
+*/
+
+#include "operationfunctions.h"
+
+#include "integritytree.h"
+#include "log.h"
+
+using namespace Swi;
+
+void Swi::IntegrityDeleteFileL(const TDesC& aPath, CIntegrityTreeLeaf* aLeaf, RFs& aFs,
+ RLoader& aLoader, CFileMan& aFileMan)
+ {
+ RBuf name;
+ name.CreateL(aPath, KMaxFileName);
+ CleanupClosePushL(name);
+ name.Append(aLeaf->Name());
+
+ TEntry entry;
+ TInt err = aFs.Entry(name, entry);
+ if (err == KErrNone)
+ {
+ aFs.SetAtt(name, 0, KEntryAttReadOnly);
+ if(entry.IsDir())
+ {
+ // Make sure to append slash before calling RmDir - otherwise it deletes the parent directory
+ if (name[name.Length()-1] != KPathDelimiter)
+ {
+ name.Append(KPathDelimiter);
+ }
+
+ TInt err = aFileMan.RmDir(name);
+ DEBUG_PRINTF3(_L("Integrity Services - Remove Directory %S err = %d"), &name, err);
+ User::LeaveIfError(err);
+ }
+ else
+ {
+ TInt err = aLoader.Delete(name);
+ DEBUG_PRINTF3(_L("Integrity Services - Delete File %S err = %d"), &name, err);
+ User::LeaveIfError(err);
+ }
+
+ // prune the directory tree if possible
+ RemoveDirectoryTreeL(aFs, name);
+ }
+ else if(err != KErrNotFound && err != KErrPathNotFound)
+ {
+ DEBUG_PRINTF3(_L("Integrity Services - error %d removing %S"), err, &name);
+ User::Leave(err);
+ }
+ CleanupStack::PopAndDestroy(&name);
+ }
+
+void Swi::IntegrityRestoreFileL(const TDesC& aPath, CIntegrityTreeLeaf* aLeaf, RFs& aFs,
+ RLoader& /*aLoader*/, CFileMan& /*aFileMan*/)
+ {
+ RBuf name;
+ name.CreateL(aPath, KMaxFileName);
+ CleanupClosePushL(name);
+ name.Append(aLeaf->Name());
+
+ // find the peer file, and check it's a backup.
+ CIntegrityTreeLeaf* peer = aLeaf->Peer();
+ if (peer->Type() != EBackupFile)
+ {
+ User::Leave(KErrCorrupt);
+ }
+
+ TParsePtrC parse(peer->Journal());
+ RBuf backup;
+ backup.CreateL(parse.DriveAndPath(), KMaxFileName);
+ CleanupClosePushL(backup);
+ backup.Append(parse.Name());
+ backup.Append(KPathDelimiter);
+ backup.Append(peer->Name());
+
+ TInt err = aFs.MkDirAll(name);
+ if(err != KErrNone && err != KErrAlreadyExists)
+ {
+ User::Leave(err);
+ }
+
+ err = aFs.Rename(backup, name);
+ if (err != KErrNone)
+ {
+ // we may have already moved it back during a previous recovery
+ // attempt, check for its presence in the original location
+ if(err == KErrNotFound || err == KErrPathNotFound)
+ {
+ TEntry restoredEntry;
+ err = aFs.Entry(name, restoredEntry);
+ }
+ User::LeaveIfError(err);
+ }
+ else
+ {
+ // prune the backup directory tree if possible.
+ RemoveDirectoryTreeL(aFs, backup);
+ }
+ CleanupStack::PopAndDestroy(2, &name); // backup
+ }
+
+void Swi::RemoveDirectoryTreeL(RFs& aFs, const TDesC& aFileName)
+ {
+ TParse directory;
+ User::LeaveIfError(directory.SetNoWild(aFileName, NULL, NULL));
+ while(!directory.IsRoot())
+ {
+ // try to remove this directory
+ TInt err = aFs.RmDir(directory.DriveAndPath());
+ if(err == KErrInUse || err == KErrAccessDenied)
+ {
+ break;
+ }
+ if(err != KErrNone && err != KErrNotFound && err != KErrPathNotFound)
+ {
+ User::Leave(err);
+ }
+ // move to deleted directory's parent
+ User::LeaveIfError(directory.PopDir());
+ }
+ }