diff -r aba6b8104af3 -r 84a16765cd86 installationservices/swtransactionservices/source/server/stsserversession.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swtransactionservices/source/server/stsserversession.cpp	Fri Mar 19 09:33:35 2010 +0200
@@ -0,0 +1,221 @@
+/*
+* Copyright (c) 2008-2009 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: 
+* Implements CStsServer.
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#include "stsserver.h"
+#include "stsserversession.h"
+#include <random.h>
+#include <e32cmn.h>
+#include <e32std.h>
+#include <usif/sts/stsdefs.h>
+#include "usiflog.h"
+
+namespace Usif
+{
+
+CStsServerSession::CStsServerSession(CStsServer& aStsserver)
+	: CScsSession(static_cast<CScsServer &>(aStsserver))
+	{
+	}
+
+CStsServerSession::~CStsServerSession()
+	{
+	if (iTransactionPtr)
+		TRAP_IGNORE(static_cast<CStsServer*>(&iServer)->ReleaseTransactionL(iTransactionPtr));
+	}
+
+CStsServerSession* CStsServerSession::NewL(CStsServer &aServer, const RMessage2& /*aMessage*/)
+	{
+	CStsServerSession* self = new (ELeave) CStsServerSession(aServer);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+void CStsServerSession::ConstructL()
+	{
+	CScsSession::ConstructL();
+	}
+
+
+_LIT(KStsPanicCategory, "StsServer");
+static const TInt KInvalidMessagePanicCode = KErrArgument;
+
+TBool CStsServerSession::DoServiceL(TInt aFunction, const RMessage2& aMessage)
+	{
+	DEBUG_PRINTF2(_L("CStsServerSession::DoServiceL() - Function %d"), static_cast<TStsClientServerFunctionType>(aFunction));							
+
+	TBool ret = ETrue; //used in CScsSession::ServiceL(); if set to ETRue >> aMessage.Complete(KErrNone); is executed
+	TStsTransactionId transactionID;
+	TPckg<TStsTransactionId> idPkg(transactionID);
+	RBuf buf;
+	CStsServer* server=static_cast<CStsServer*>(&iServer);
+	
+	switch(static_cast<TStsClientServerFunctionType>(aFunction))
+		{
+		case ECreateTransaction:
+			{
+			if(iTransactionPtr)
+				{
+				User::Leave(KErrInUse);
+				}
+			iTransactionPtr = server->CreateTransactionL();
+			transactionID = iTransactionPtr->TransactionId();
+			aMessage.WriteL(KIdIPCSlot, idPkg);
+			break;
+			}
+		case EOpenTransaction:
+			{
+			if(iTransactionPtr)
+				{
+				User::Leave(KErrInUse);
+				}
+			aMessage.ReadL(KIdIPCSlot, idPkg, 0);
+			iTransactionPtr = server->AttachTransactionL(transactionID);
+			break;
+			}
+		case ERegisterNew:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));
+			buf.CreateL(KMaxFileName);
+			buf.CleanupClosePushL();
+			aMessage.ReadL(KFilePathIPCSlot, buf, 0);
+			iTransactionPtr->RegisterNewL(buf);
+			CleanupStack::PopAndDestroy(&buf);
+			break;
+			}
+		case ECreateNew:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));			
+			// Taking the filename size from the IPC Arguments
+			// No need to do any validation of filename as it is done by File Server
+			TInt srcFileNameLen = aMessage.GetDesLengthL(KFilePathIPCSlot);
+			buf.CreateL(srcFileNameLen);
+			buf.CleanupClosePushL();
+			aMessage.ReadL(KFilePathIPCSlot, buf, 0);
+			TPckgBuf<TFileMode> pkgFileMode;
+			aMessage.ReadL(KFileModeIPCSlot, pkgFileMode, 0);
+			RFile newFile;
+			CleanupClosePushL(newFile);
+			iTransactionPtr->CreateNewL(buf, newFile, pkgFileMode());
+	        User::LeaveIfError(newFile.TransferToClient(aMessage, KFileHandleIPCSlot));
+	        ASSERT(aMessage.IsNull());  // message should have been completed
+	        ret = EFalse; //message need not be completed in CScsSession::ServiceL()
+			CleanupStack::PopAndDestroy(2, &buf);
+			break;
+			}
+		case ERemove:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));			
+			buf.CreateL(KMaxFileName);
+			buf.CleanupClosePushL();
+			aMessage.ReadL(KFilePathIPCSlot, buf, 0);
+			iTransactionPtr->RemoveL(buf);
+			CleanupStack::PopAndDestroy(&buf);
+			break;
+			}
+		case ERegisterTemporary:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));			
+			buf.CreateL(KMaxFileName);
+			buf.CleanupClosePushL();
+			aMessage.ReadL(KFilePathIPCSlot, buf, 0);
+			iTransactionPtr->RegisterTemporaryL(buf);
+			CleanupStack::PopAndDestroy(&buf);
+			break;
+			}
+		case ECreateTemporary:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));			
+			// Taking the filename size from the IPC Arguments
+			// No need to do any validation of filename as it is done by File Server
+			TInt srcFileNameLen = aMessage.GetDesLengthL(KFilePathIPCSlot);
+			buf.CreateL(srcFileNameLen);
+			buf.CleanupClosePushL();
+			aMessage.ReadL(KFilePathIPCSlot, buf, 0);
+			TPckgBuf<TFileMode> pkgFileMode;
+			aMessage.ReadL(KFileModeIPCSlot, pkgFileMode, 0);
+			RFile newTempFile;
+			CleanupClosePushL(newTempFile);
+			iTransactionPtr->CreateTemporaryL(buf, newTempFile, pkgFileMode());
+	        User::LeaveIfError(newTempFile.TransferToClient(aMessage, KFileHandleIPCSlot));
+	        ASSERT(aMessage.IsNull());  // message should have been completed
+	        ret = EFalse; //message need not be completed in CScsSession::ServiceL()
+			CleanupStack::PopAndDestroy(2, &buf);
+			break;
+			}
+		case EOverwrite:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));			
+			buf.CreateL(KMaxFileName);
+			buf.CleanupClosePushL();
+			aMessage.ReadL(KFilePathIPCSlot, buf, 0);
+			TPckgBuf<TFileMode> pkgFileMode;
+			aMessage.ReadL(KFileModeIPCSlot, pkgFileMode, 0);
+			RFile newFile;
+			CleanupClosePushL(newFile);
+			iTransactionPtr->OverwriteL(buf, newFile, pkgFileMode());
+	        User::LeaveIfError(newFile.TransferToClient(aMessage, KFileHandleIPCSlot));
+	        ASSERT(aMessage.IsNull());  // message should have been completed
+	        ret = EFalse; //message need not be completed in CScsSession::ServiceL()
+			CleanupStack::PopAndDestroy(2, &buf);
+			break;
+			}
+		case ECommit:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));
+			iTransactionPtr->CommitL(); 
+			server->FinaliseTransactionL(iTransactionPtr); //releases transaction and erases pointer!
+			break;
+			}
+		case ERollBack:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));
+			iTransactionPtr->RollBackL();
+			server->FinaliseTransactionL(iTransactionPtr); //releases transaction and erases pointer!
+			break;
+			}
+		case EGetId:
+			{
+			__ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode));
+			transactionID = iTransactionPtr->TransactionId();
+			//return ID back to client
+			aMessage.WriteL(KIdIPCSlot, idPkg);
+			break;
+			}
+		case ERollBackAllPending:
+			{
+			server->RollBackAllPendingL();
+			break;
+			}
+		default:
+			{
+			User::Leave(KErrNotSupported);
+			break;
+			}
+		}
+	return ret; 
+	}
+}//end of namespace Usif