diff -r 0aa8cc770c8a -r 4a793f564d72 connectivitymodules/SeCon/services/pcd/src/sconsynchandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitymodules/SeCon/services/pcd/src/sconsynchandler.cpp	Wed Sep 01 12:20:56 2010 +0100
@@ -0,0 +1,1460 @@
+/*
+* 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:  CSconSyncHandler implementation
+*
+*/
+
+
+#include "sconsynchandler.h"
+#include <f32file.h>
+#include <S32MEM.H>
+#include <UTF.H>
+#include <mmf/common/mmfcontrollerpluginresolver.h>
+#include <bautils.h>
+#include <nsmlconstants.h>
+#include <centralrepository.h>
+
+#include "debug.h"
+
+// versions up to 5 must be backward compatible
+const TUint16 KFormatVersionNumber ( 1 );
+
+_LIT8(KCommandListStores, "SYNC: ListStores");
+_LIT8(KCommandOpenStore, "SYNC: OpenStore: ");
+_LIT8(KCommandCloseStore, "SYNC: CloseStore");
+_LIT8(KCommandListChanges, "SYNC: ListChanges");
+_LIT8(KCommandResetChangeInfo, "SYNC: ResetChangeInfo");
+_LIT8(KCommandCommitChanges, "SYNC: CommitChanges: ");
+_LIT8(KCommandReadItems, "SYNC: ReadItems: ");
+_LIT8(KCommandGetParents, "SYNC: GetParents: ");
+_LIT8(KCommandCreateItems, "SYNC: CreateItems");
+_LIT8(KCommandGetCreateItemsResponse, "SYNC: GetCreateItemsResponse");
+_LIT8(KCommandGetCreateItems, "SYNC: GetCreateItems: ");
+_LIT8(KCommandReplaceItems, "SYNC: ReplaceItems");
+_LIT8(KCommandGetReplaceItemsResponse, "SYNC: GetReplaceItemsResponse");
+_LIT8(KCommandGetReplaceItems, "SYNC: GetReplaceItems: ");
+_LIT8(KCommandMoveItems, "SYNC: MoveItems");
+_LIT8(KCommandDeleteItems, "SYNC: DeleteItems: ");
+_LIT8(KCommandSoftDeleteItems, "SYNC: SoftDeleteItems: ");
+_LIT8(KCommandDeleteAllItems, "SYNC: DeleteAllItems");
+_LIT8(KCommandDeleteAllItemsStatus, "SYNC: GetDeleteAllItemsStatus");
+_LIT8(KCommandGetStoreFormat, "SYNC: GetStoreFormat");
+_LIT8(KCommandSetRemoteStoreFormat, "SYNC: SetRemoteStoreFormat");
+_LIT8(KCommandGetRestOfData, "SYNC: GetRestOfData");
+_LIT8(KCommandCancel, "SYNC: Cancel");
+
+
+_LIT(KRemoteFormatStore, "remoteformatstore_0x%08x.dat");
+_LIT(KDataFileExtension, ".tmp");
+
+const TInt KTimeStampLength = 16;
+_LIT8(KTimeStampFormat, "%02d%02d%04dT%02d%02d%02dZ");
+
+const TInt KDefaultExpandSize = 1024;
+
+// Calendar sync specific constants
+const TInt KCalendarDsUid = 0x101F6DDE;
+
+CSconSyncHandler::~CSconSyncHandler()
+    {
+    TRACE_FUNC_ENTRY;
+    Cancel();
+    iSyncSession.Close();
+    delete iResponseData;
+    iFileStream.Close();
+    iCreatedItems.Close();
+    iReplacedItems.Close();
+    iItemsToRead.Close();
+    iFs.Delete( iFileInProgress );
+    ClearCalendarCenrepL();
+    TRACE_FUNC_EXIT;
+    }
+
+CSconSyncHandler::CSconSyncHandler( RFs& aFs ) 
+    : CActive( EPriorityStandard ), iFs(aFs), iCreatedItemUidPckg(iCreatedItemUid)
+    {
+    CActiveScheduler::Add( this );
+    }
+
+CSconSyncHandler* CSconSyncHandler::NewL( RFs& aFs)
+    {
+    TRACE_FUNC_ENTRY;
+    CSconSyncHandler* self = new (ELeave) CSconSyncHandler(aFs);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    TRACE_FUNC_EXIT;
+    return self;
+    }
+
+void CSconSyncHandler::ConstructL()
+    {
+    TInt err = iFs.CreatePrivatePath( EDriveC );
+    LOGGER_WRITE_1("CreatePrivatePath err: %d", err);
+    iFs.SetSessionToPrivate( EDriveC );
+    }
+
+void CSconSyncHandler::HandleGetSyncRequestL( const TDesC8& aRequest, RWriteStream& aResult, TInt aMaxObjectSize )
+    {
+    TRACE_FUNC_ENTRY;
+    iMaxObjectSize = aMaxObjectSize;
+    iBytesWrited = 0;
+    LOGGER_WRITE_1("iMaxObjectSize: %d", iMaxObjectSize);
+    if ( !iConnected )
+        {
+        LOGGER_WRITE("Try to connect")
+        User::LeaveIfError( iSyncSession.Connect() );
+        iConnected = ETrue;
+        }
+    
+    if ( aRequest.Compare( KCommandListStores ) == KErrNone )
+        {
+        ListStoresL( aResult );
+        }
+    else if ( aRequest.Find( KCommandOpenStore ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandOpenStore().Length() );
+        OpenStoreL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandCloseStore ) == 0 )
+        {
+        CloseStoreL( aResult );
+        }
+    else if ( aRequest.Find( KCommandListChanges ) == 0 )
+        {
+        ListChangesL( aResult );
+        }
+    else if ( aRequest.Find( KCommandResetChangeInfo ) == 0 )
+        {
+        ResetChangeInfoL( aResult );
+        }
+    else if ( aRequest.Find( KCommandCommitChanges ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandCommitChanges().Length() );
+        CommitChangesL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandReadItems ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandReadItems().Length() );
+        ReadItemsL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandGetParents ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandGetParents().Length() );
+        GetParentsL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandGetRestOfData ) == 0 )
+        {
+        // Get rest of data
+        ReadNextDataBlockL( aResult );
+        }
+    else if ( aRequest.Find( KCommandGetCreateItemsResponse ) == 0 )
+        {
+        GetCreateItemsResponseL( KNullDesC8(), aResult );
+        }
+    else if ( aRequest.Find( KCommandGetCreateItems ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandGetCreateItems().Length() );
+        GetCreateItemsResponseL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandGetReplaceItemsResponse ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandGetReplaceItemsResponse().Length() );
+        GetReplaceItemsResponseL( KNullDesC8(), aResult );
+        }
+    else if ( aRequest.Find( KCommandGetReplaceItems ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandGetReplaceItems().Length() );
+        GetReplaceItemsResponseL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandMoveItems ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandMoveItems().Length() );
+        MoveItemsL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandDeleteItems ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandDeleteItems().Length() );
+        DeleteItemsL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandSoftDeleteItems ) == 0 )
+        {
+        TPtrC8 params = aRequest.Mid( KCommandSoftDeleteItems().Length() );
+        SoftDeleteItemsL( params, aResult );
+        }
+    else if ( aRequest.Find( KCommandDeleteAllItems ) == 0 )
+        {
+        DeleteAllItemsL( aResult );
+        }
+    else if ( aRequest.Find( KCommandDeleteAllItemsStatus ) == 0 )
+        {
+        GetDeleteAllItemsStatusL( aResult );
+        }
+    else if ( aRequest.Find( KCommandGetStoreFormat ) == 0 )
+        {
+        GetStoreFormatL( aResult );
+        }
+    else if ( aRequest.Find( KCommandCancel ) == 0 )
+        {
+        CancelOperationsL( aResult );
+        }
+    else    
+        {
+        LOGGER_WRITE("Unknown command");
+        User::Leave( KErrNotSupported );
+        }
+    TRACE_FUNC_EXIT;
+    }
+
+
+void CSconSyncHandler::HandlePutSyncRequestL( const TDesC8& aRequest, RReadStream& aData )
+    {
+    TRACE_FUNC_ENTRY;
+    if ( !iConnected )
+        {
+        LOGGER_WRITE("Try to connect")
+        User::LeaveIfError( iSyncSession.Connect() );
+        iConnected = ETrue;
+        }
+    if ( aRequest.Find( KCommandCreateItems ) == KErrNone )
+        {
+        CreateItemsL( aData );
+        }
+    else if ( aRequest.Find( KCommandReplaceItems ) == 0 )
+        {
+        ReplaceItemsL( aData );
+        }
+    else if ( aRequest.Find( KCommandSetRemoteStoreFormat ) == 0 )
+        {
+        SetRemoteStoreFormatL( aData );
+        }
+    else
+        {
+        LOGGER_WRITE("Unknown command");
+        User::Leave( KErrNotSupported );
+        }
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ListStoresL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    RSconDataProviderInfoArray infoArray(5);
+    CleanupResetAndDestroyPushL( infoArray );
+    iSyncSession.ListAllImplementationsL( infoArray );
+    LOGGER_WRITE_1("infoArray.Count(): %d", infoArray.Count());
+    aResult.WriteInt32L( infoArray.Count() );
+    for (TInt i=0; i<infoArray.Count(); i++ )
+        {
+        CSconDataproviderInfo& info = (*infoArray[i]);
+        info.ExternalizeL( aResult );
+        }
+    CleanupStack::PopAndDestroy( &infoArray );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::OpenStoreL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    LOGGER_WRITE8_1("Params:'%S'", &aParams);
+    
+    const TUint8* ptr = aParams.Ptr();
+    LOGGER_WRITE_1("Params size: %d", aParams.Size())
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+
+    TInt providerId = stream.ReadInt32L();
+    LOGGER_WRITE_1("Provider Id: 0x%08x", providerId);
+    TInt contextId = stream.ReadInt32L();
+    LOGGER_WRITE_1("Context Id: 0x%08x", contextId);
+    
+    // read utf8 formatted text
+    TInt len = stream.ReadUint16L();
+    
+    LOGGER_WRITE_1("storeName length: %d", len);
+    HBufC8* buf8 = HBufC8::NewLC( len );
+    TPtr8 bufPtr8 = buf8->Des();
+    stream.ReadL( bufPtr8, len );
+    
+    LOGGER_WRITE8_1("storeName8: %S", &bufPtr8);
+    
+    // and convert it to unicode
+    HBufC* storeName = CnvUtfConverter::ConvertToUnicodeFromUtf8L( bufPtr8 ); 
+    CleanupStack::PopAndDestroy( buf8 );
+    CleanupStack::PushL( storeName );
+    
+    TPtr storeNamePtr = storeName->Des();
+    LOGGER_WRITE_1("storeName: %S", &storeNamePtr);
+    
+    if ( providerId == KCalendarDsUid && aParams.Size() >
+            sizeof(TInt32) // providerId
+            + sizeof(TInt32) // contextId
+            + sizeof(TUint16)// storeName len
+            + len )          // storeName
+        {
+        TInt profileId = stream.ReadInt32L();
+        len = stream.ReadUint16L();
+        HBufC8* buffer = HBufC8::NewLC( len );
+        TPtr8 bufferPtr8 = buffer->Des();
+        stream.ReadL( bufferPtr8, len );
+        HBufC* serverId = CnvUtfConverter::ConvertToUnicodeFromUtf8L( bufferPtr8 ); 
+        CleanupStack::PopAndDestroy( buffer );
+        CleanupStack::PushL( serverId );
+        SetCalendarCenrepL( profileId, serverId->Des() );
+        CleanupStack::PopAndDestroy(serverId);
+        }
+    
+    aResult.WriteUint16L( KFormatVersionNumber );
+    TRAPD( err, iSyncSession.OpenDataStoreL( providerId, storeName->Des(), contextId));
+    if ( err == KErrServerTerminated )
+        {
+        // server terminated, try to reconnect
+        iConnected = EFalse;
+        LOGGER_WRITE("Try to re-connect");
+        err = iSyncSession.Connect();
+        LOGGER_WRITE_1("iSyncSession.Connect() err: %d", err);
+        if ( !err )
+            {
+            iConnected = ETrue;
+            TRAP( err, iSyncSession.OpenDataStoreL( providerId, storeName->Des(), contextId));
+            }
+        }
+    
+    CleanupStack::PopAndDestroy( storeName );
+    CleanupStack::PopAndDestroy( &stream );
+    
+    aResult.WriteInt32L( err );
+    
+    if ( err )
+        {
+        LOGGER_WRITE_1("Error: %d", err);
+        LOGGER_WRITE("iSyncSession.CloseDataStore()");
+        iSyncSession.CloseDataStore();
+        ClearCalendarCenrepL();
+        return;
+        }
+    iCurrentDataProviderUid = providerId;
+    iCurrentContextUid = contextId;
+    
+    
+    // Now the store is opened
+    TRAP(err, LoadRemoteStoreFormatL( contextId, providerId ));
+    if ( err )
+        {
+        aResult.WriteUint8L( 1 ); //  Remote store format needed
+        }
+    else
+        {
+        aResult.WriteUint8L( 0 ); //  Remote store format not needed
+        }
+    
+    // return last sync timestamp, if has synced before.
+    TBool hasHistory = iSyncSession.HasSyncHistoryL();
+    TUint8 historyFlag(0);
+    if ( hasHistory )
+        {
+        historyFlag = 1;
+        }
+    aResult.WriteUint8L( historyFlag );
+    
+    if ( hasHistory )
+        {
+        TDateTime timeStamp;
+        TInt err(KErrNone);
+        TRAP(err, iSyncSession.GetSyncTimeStampL( providerId, contextId, timeStamp));
+        LOGGER_WRITE_1("GetSyncTimeStampL err: %d", err);
+        
+        TBuf8<KTimeStampLength> timeStampBuf;
+        
+        timeStampBuf.Format( KTimeStampFormat, 
+                timeStamp.Day()+1,timeStamp.Month()+1, timeStamp.Year(),
+                timeStamp.Hour(), timeStamp.Minute(), timeStamp.Second() );
+        LOGGER_WRITE8_1("timeStamp: %S", &timeStampBuf);
+        aResult.WriteL( timeStampBuf );
+        }
+    
+    
+    //  for testin purposes only
+    /*
+    if (!remoteStoreSetted)
+        {
+        RStringPool pool;
+        pool.OpenL();
+        CleanupClosePushL( pool );
+        CSmlDataStoreFormat* storeFormat(NULL);
+        TRAPD( err, storeFormat = iSyncSession.StoreFormatL( pool ) );
+        CleanupStack::PushL( storeFormat );
+        
+        iSyncSession.SetRemoteStoreFormatL( *storeFormat );
+        SaveRemoteStoreFormatL( *storeFormat, contextId, providerId );
+        
+        CleanupStack::PopAndDestroy( storeFormat );
+        CleanupStack::PopAndDestroy( &pool );
+        }
+    */
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::LoadRemoteStoreFormatL( TInt aContextId, TInt aProviderId )
+    {
+    TRACE_FUNC_ENTRY;
+    TFileName remoteFormatStore;
+    iFs.SetSessionToPrivate( EDriveC );
+    remoteFormatStore.Format( KRemoteFormatStore, aContextId );
+       
+    CDictionaryFileStore* dictionaryStore =
+        CDictionaryFileStore::OpenLC(iFs, remoteFormatStore, TUid::Uid(0x0001));
+    TBool present = dictionaryStore->IsPresentL( TUid::Uid(aProviderId) );
+    if ( !present )
+        {
+        LOGGER_WRITE("Remote store was not saved");
+        User::Leave( KErrNotFound );
+        }
+    else
+        {
+        RDictionaryReadStream stream;
+        stream.OpenLC( *dictionaryStore, TUid::Uid(aProviderId) );
+        RStringPool stringPool;
+        stringPool.OpenL();
+        CleanupClosePushL( stringPool );
+        CSmlDataStoreFormat* storeFormat = CSmlDataStoreFormat::NewLC(stringPool, stream);
+        iSyncSession.SetRemoteStoreFormatL( *storeFormat );
+        CleanupStack::PopAndDestroy( storeFormat );
+        CleanupStack::PopAndDestroy( &stringPool );
+        CleanupStack::PopAndDestroy(); //OpenLC
+        }
+    CleanupStack::PopAndDestroy( dictionaryStore );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::SaveRemoteStoreFormatL( CSmlDataStoreFormat& aStoreFormat, TInt aContextId, TInt aProviderId)
+    {
+    TRACE_FUNC_ENTRY;
+    iFs.SetSessionToPrivate( EDriveC );
+    TFileName remoteFormatStore;
+    remoteFormatStore.Format( KRemoteFormatStore, aContextId );
+    CDictionaryFileStore* dictionaryStore =
+        CDictionaryFileStore::OpenLC(iFs, remoteFormatStore, TUid::Uid(0x0001));
+    
+    RDictionaryWriteStream stream;
+    stream.AssignLC( *dictionaryStore, TUid::Uid(aProviderId) );
+    
+    aStoreFormat.ExternalizeL( stream );
+    stream.CommitL();
+    CleanupStack::PopAndDestroy(); //AssignLC
+    dictionaryStore->CommitL();
+        
+    CleanupStack::PopAndDestroy( dictionaryStore );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::CloseStoreL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    iSyncSession.CloseDataStore();
+    ClearCalendarCenrepL();
+    
+    // Get last used timestamp if provider was open
+    if ( iCurrentDataProviderUid != 0 )
+        {
+        TDateTime timeStamp;
+        iSyncSession.GetSyncTimeStampL(iCurrentDataProviderUid, iCurrentContextUid, timeStamp );
+        
+        iCurrentDataProviderUid = 0;
+        iCurrentContextUid = 0;
+        
+        const TInt KTimeStampLength = 16;
+        TBuf8<KTimeStampLength> timeStampBuf;
+        
+        
+        timeStampBuf.Format( KTimeStampFormat, 
+                timeStamp.Day()+1,timeStamp.Month()+1, timeStamp.Year(),
+                timeStamp.Hour(), timeStamp.Minute(), timeStamp.Second() );
+        aResult.WriteL( timeStampBuf );
+        }
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ListChangesL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    RArray<TSmlDbItemUid> items;
+    CleanupClosePushL( items );
+    
+    iSyncSession.AddedItemsL( items );
+    LOGGER_WRITE_1("Added items count: %d", items.Count());
+    aResult.WriteInt32L( items.Count() );
+    for (TInt i=0; i<items.Count(); i++ )
+        {
+        aResult.WriteInt32L( items[i] );
+        }
+    
+    items.Reset();
+    iSyncSession.ModifiedItemsL( items );
+    LOGGER_WRITE_1("Modified items count: %d", items.Count());
+    aResult.WriteInt32L( items.Count() );
+    for (TInt i=0; i<items.Count(); i++ )
+        {
+        aResult.WriteInt32L( items[i] );
+        }
+    
+    items.Reset();
+    iSyncSession.MovedItemsL( items );
+    LOGGER_WRITE_1("Moved items count: %d", items.Count());
+    aResult.WriteInt32L( items.Count() );
+    for (TInt i=0; i<items.Count(); i++ )
+        {
+        aResult.WriteInt32L( items[i] );
+        }
+    
+    items.Reset();
+    iSyncSession.DeletedItemsL( items );
+    LOGGER_WRITE_1("Deleted items count: %d", items.Count());
+    aResult.WriteInt32L( items.Count() );
+    for (TInt i=0; i<items.Count(); i++ )
+        {
+        aResult.WriteInt32L( items[i] );
+        }
+    
+    items.Reset();
+    iSyncSession.SoftDeletedItemsL( items );
+    LOGGER_WRITE_1("SoftDeleted items count: %d", items.Count());
+    aResult.WriteInt32L( items.Count() );
+    for (TInt i=0; i<items.Count(); i++ )
+        {
+        aResult.WriteInt32L( items[i] );
+        }
+    CleanupStack::PopAndDestroy( &items );
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ResetChangeInfoL( RWriteStream& /*aResult*/ )
+    {
+    TRACE_FUNC_ENTRY;
+    iSyncSession.ResetChangeInfoL();
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::CommitChangesL( const TDesC8& aParams, RWriteStream& /*aResult*/ )
+    {
+    TRACE_FUNC_ENTRY;
+    const TUint8* ptr = aParams.Ptr();
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+    
+    TInt itemCount = stream.ReadInt32L();
+    RArray<TSmlDbItemUid> items;
+    CleanupClosePushL( items );
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        items.AppendL( stream.ReadInt32L() );
+        }
+    
+    if ( items.Count() > 0 )
+        {
+        iSyncSession.CommitChangeInfoL( items );
+        }
+    
+    CleanupStack::PopAndDestroy( &items );
+    CleanupStack::PopAndDestroy( &stream );
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ReadItemsL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    iItemsToRead.Reset();
+    LOGGER_WRITE_1("aParams length: %d", aParams.Length());
+    
+    const TUint8* ptr = aParams.Ptr();
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+    
+    // Read item uids from parameter
+    TInt itemCount = stream.ReadInt32L();
+    LOGGER_WRITE_1("Item count: %d", itemCount);
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        iItemsToRead.AppendL( stream.ReadInt32L() );
+        LOGGER_WRITE_2("Item[%d] = %d", i, iItemsToRead[i] );
+        }
+    CleanupStack::PopAndDestroy( &stream );
+    LOGGER_WRITE( "Items readed ok" );
+    
+    aResult.WriteInt32L( iItemsToRead.Count() );
+    iBytesWrited += sizeof(TInt32);
+    
+    ReadNextDataBlockL( aResult );
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::GetParentsL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    const TUint8* ptr = aParams.Ptr();
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+    
+    // Read item uids from parameter
+    TInt itemCount = stream.ReadInt32L();
+    aResult.WriteInt32L( itemCount );
+    LOGGER_WRITE_1("Item count: %d", itemCount);
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        TSmlDbItemUid itemUid = stream.ReadInt32L();
+        TSmlDbItemUid parent(KErrNotFound);
+        aResult.WriteInt32L( itemUid );
+        TInt err = iSyncSession.GetParent( itemUid, parent);
+        LOGGER_WRITE_1("itemUid: %d", itemUid);
+        LOGGER_WRITE_1("err: %d", err);
+        aResult.WriteInt32L( err );
+        if ( err == KErrNone )
+            {
+            LOGGER_WRITE_1("parent: %d", parent);
+            aResult.WriteInt32L( parent );
+            }
+        }
+    CleanupStack::PopAndDestroy( &stream );
+    aResult.CommitL();
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ReadNextDataBlockL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    if ( (!iResponseData || iResponseData->Size() == 0 ) && iItemsToRead.Count() == 0 )
+        {
+        // no data
+        LOGGER_WRITE("no more data or items");
+        User::Leave(KErrEof);
+        }
+    
+    if ( iResponseData )
+        {
+        // write data from tempbuffer to response buffer
+        TInt writeLength = iResponseData->Size();
+        if ( writeLength > iMaxObjectSize-iBytesWrited )
+            {
+            writeLength = iMaxObjectSize-iBytesWrited;
+            }
+        aResult.WriteL( iResponseData->Ptr(0), writeLength );
+        iBytesWrited += writeLength;
+        
+        if ( iResponseData->Size()  > writeLength )
+            {
+            iResponseData->Delete(0, writeLength);
+            }
+        else
+            {
+            iResponseData->Reset();
+            }
+        }
+    if ( iBytesWrited == iMaxObjectSize )
+        {
+        // responce buffer is full, return it.
+        LOGGER_WRITE("Stream is full, return it");
+        return;
+        }
+    
+    TBool streamIsFull( EFalse );
+    // Read items from server
+    CBufFlat* dataBuffer = CBufFlat::NewL(KDefaultExpandSize);
+    CleanupStack::PushL( dataBuffer );
+    while ( iItemsToRead.Count() > 0 && !streamIsFull )
+        {
+        if ( iMaxObjectSize-iBytesWrited < sizeof(TUint32) )
+            {
+            streamIsFull = ETrue;
+            LOGGER_WRITE("Stream is full, don't read next item");
+            continue;
+            }
+        ReadItemL( iItemsToRead[0], *dataBuffer );
+        aResult.WriteUint32L( dataBuffer->Size() );
+        iBytesWrited += sizeof( TUint32 );
+        
+        TInt writeLength = dataBuffer->Size();
+        if ( writeLength > iMaxObjectSize-iBytesWrited )
+            {
+            writeLength = iMaxObjectSize-iBytesWrited;
+            LOGGER_WRITE_1("Write only %d bytes", writeLength);
+            }
+        aResult.WriteL( dataBuffer->Ptr(0), writeLength );
+        iBytesWrited += writeLength;
+        
+        if ( dataBuffer->Size()  > writeLength )
+            {
+            // write rest to next data block
+            if ( !iResponseData )
+                {
+                iResponseData = CBufFlat::NewL(KDefaultExpandSize);
+                }
+            iResponseData->Reset();
+            LOGGER_WRITE_1("Save %d bytes for next request", dataBuffer->Size() - writeLength);
+            iResponseData->ResizeL( dataBuffer->Size() - writeLength );
+            iResponseData->Write(0, dataBuffer->Ptr( writeLength ));
+            streamIsFull = ETrue;
+            }
+        
+        iItemsToRead.Remove(0);
+        
+        if ( iBytesWrited == iMaxObjectSize )
+            {
+            // writestream is full
+            LOGGER_WRITE("Stream is full");
+            streamIsFull = ETrue;
+            }
+        
+        }
+    aResult.CommitL();
+    
+    CleanupStack::PopAndDestroy( dataBuffer );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ReadItemL( TSmlDbItemUid aUid, CBufFlat& aItemData )
+    {
+    TRACE_FUNC_ENTRY;
+    aItemData.Reset();
+    CBufFlat* dataBuffer = CBufFlat::NewL(KDefaultExpandSize);
+    CleanupStack::PushL( dataBuffer );
+    TSmlDbItemUid parent(-1);
+    TBool fieldChange(EFalse);
+    
+    TBuf8<256> mimeType;
+    TBuf8<100> mimeVer;
+    TRAPD( err, iSyncSession.OpenItemL( aUid, fieldChange,
+                    parent, mimeType, mimeVer, *dataBuffer ));
+    if ( err )
+        {
+        LOGGER_WRITE_1("Could not read item %d", aUid);
+        // only item uid and errorcode will be writed
+        aItemData.ResizeL( 
+            sizeof(TInt32) +
+            sizeof(TInt32));
+        
+        }
+    else
+        {
+        // reserve memory for all fields
+        aItemData.ResizeL( 
+            sizeof(TInt32) +
+            sizeof(TInt32) +
+            sizeof(TUint8) +
+            sizeof(TInt32) +
+            sizeof(TUint16) +
+            mimeType.Length() +
+            sizeof(TUint16) +
+            mimeVer.Length() +
+            sizeof(TInt32) +
+            dataBuffer->Size()
+            );
+        }
+    
+    RBufWriteStream tempStream( aItemData );
+    CleanupClosePushL( tempStream );
+    tempStream.WriteInt32L( aUid );
+    tempStream.WriteInt32L( err );
+    if ( !err )
+        {
+        tempStream.WriteUint8L( fieldChange );
+        tempStream.WriteInt32L( parent );
+        tempStream.WriteUint16L( mimeType.Length() );
+        tempStream.WriteL( mimeType );
+        tempStream.WriteUint16L( mimeVer.Length() );
+        tempStream.WriteL( mimeVer );
+        tempStream.WriteInt32L( dataBuffer->Size() );
+        tempStream.WriteL( dataBuffer->Ptr(0), dataBuffer->Size() );
+        }
+    tempStream.CommitL();
+    CleanupStack::PopAndDestroy( &tempStream );
+    CleanupStack::PopAndDestroy( dataBuffer );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::CreateItemsL( RReadStream& aData )
+    {
+    TRACE_FUNC_ENTRY;
+    delete iResponseData;
+    iResponseData = NULL;
+    iResponseData = CBufFlat::NewL(KDefaultExpandSize);
+    RBufWriteStream responseStream( *iResponseData );
+    CleanupClosePushL( responseStream );
+    // Read item uids from parameter
+    TInt itemCount = aData.ReadInt32L();
+    LOGGER_WRITE_1("itemCount: %d", itemCount);
+    responseStream.WriteInt32L( itemCount );
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        LOGGER_WRITE("read from aData stream");
+        TInt tempUid = aData.ReadInt32L();
+        
+        TSmlDbItemUid parent = aData.ReadInt32L();
+        
+        TInt len = aData.ReadUint16L();
+        HBufC8* mimeTypeBuf = HBufC8::NewLC( len );
+        TPtr8 mimeTypePtr = mimeTypeBuf->Des();
+        aData.ReadL(mimeTypePtr, len);
+        
+        len = aData.ReadUint16L();
+        HBufC8* mimeVerBuf = HBufC8::NewLC( len );
+        TPtr8 mimeVerPtr = mimeVerBuf->Des();
+        aData.ReadL(mimeVerPtr, len);
+        
+        len = aData.ReadInt32L();
+        HBufC8* dataBuf = HBufC8::NewLC( len );
+        TPtr8 dataPtr = dataBuf->Des();
+        aData.ReadL( dataPtr, len );
+        
+        TSmlDbItemUid newUid(-1);
+        LOGGER_WRITE("read from aData stream -readed ok");
+        TRAPD( err, iSyncSession.CreateItemL(newUid,
+                parent, mimeTypePtr,
+                mimeVerPtr, dataPtr));
+        
+        CleanupStack::PopAndDestroy( dataBuf );
+        CleanupStack::PopAndDestroy( mimeVerBuf );
+        CleanupStack::PopAndDestroy( mimeTypeBuf );
+        LOGGER_WRITE("Write to responseStream");
+        responseStream.WriteInt32L( tempUid );
+        responseStream.WriteInt32L( err );
+        if ( !err )
+            {
+            responseStream.WriteInt32L( newUid );
+            }
+        LOGGER_WRITE("Write to responseStream -writed ok");
+        }
+    
+    responseStream.CommitL();
+    CleanupStack::PopAndDestroy( &responseStream );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::GetCreateItemsResponseL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    if ( aParams.Length() > 0 )
+        {
+        LOGGER_WRITE_1("params length: %d", aParams.Length());
+        
+        //LOGGER_WRITE8_1("aParams: %S", &aParams);
+        if ( iSyncStatus == EReady )
+            {
+            LOGGER_WRITE("Start creating items from file");
+            iCreatedItems.Reset();
+            const TUint8* ptr = aParams.Ptr();
+            RMemReadStream stream( ptr , aParams.Size() );
+            CleanupClosePushL( stream );
+            TInt filenameLength = stream.ReadInt32L();
+            LOGGER_WRITE_1("filename length: %d", filenameLength );
+            HBufC8* filenameBuf8 = HBufC8::NewLC( /*stream,*/ filenameLength ); // filename
+            TPtr8 filenamePtr = filenameBuf8->Des();
+            stream.ReadL( filenamePtr, filenameLength);
+            LOGGER_WRITE("filename ok");
+            TInt err = CnvUtfConverter::ConvertToUnicodeFromUtf8(iFileInProgress, filenamePtr );
+            LOGGER_WRITE_1("ConvertToUnicodeFromUtf8 err: %d", err);
+            User::LeaveIfError( err );
+            LOGGER_WRITE_1("iFileInProgress: %S", &iFileInProgress);
+            
+            if ( iFileInProgress.RightTPtr(KDataFileExtension().Length()).CompareF(KDataFileExtension) != 0 )
+                {
+                iFileInProgress = KNullDesC();
+                LOGGER_WRITE("File extendion was not correct");
+                User::Leave( KErrAccessDenied );
+                }
+            
+            CleanupStack::PopAndDestroy( filenameBuf8 );
+			
+            LOGGER_WRITE("open file");
+            err = iFileStream.Open(iFs,iFileInProgress, EFileShareReadersOnly);
+            LOGGER_WRITE_1("iFileStream.Open err: %d", err);
+            User::LeaveIfError( err );
+            
+            CleanupStack::PopAndDestroy( &stream );
+            
+            iSyncStatus = ECreatingItemsFromFile;
+            iItemsLeftInStream = iFileStream.ReadInt32L();
+            LOGGER_WRITE_1("iItemsLeftInStream: %d", iItemsLeftInStream);
+            aResult.WriteInt32L( iItemsLeftInStream );
+            aResult.WriteInt32L( 0 ); // completed items since last sync
+            CreateNextItemOnStreamL();
+            iItemsLeftInStream--;
+            }
+        else if ( iSyncStatus == ECreatingItemsFromFile || iSyncStatus == EItemsCreated )
+            {
+            LOGGER_WRITE("Read status");
+            TInt temp = 0;
+            if ( iSyncStatus == ECreatingItemsFromFile )
+                {
+                // one item is on progress, add it to to "left" items.
+                temp = 1;
+                }
+            LOGGER_WRITE_1("left items: %d", iItemsLeftInStream + temp);
+            LOGGER_WRITE_1("completed items: %d", iCreatedItems.Count());
+            aResult.WriteInt32L( iItemsLeftInStream + temp ); // items in progress
+            aResult.WriteInt32L( iCreatedItems.Count() ); // completed items since last get
+            
+            while ( iCreatedItems.Count() > 0 )
+                {
+                aResult.WriteInt32L( iCreatedItems[0].iTemporaryId );
+                aResult.WriteInt32L( iCreatedItems[0].iErrorCode );
+                if ( !iCreatedItems[0].iErrorCode )
+                    {
+                    aResult.WriteInt32L( iCreatedItems[0].iNewUid );
+                    }
+                iCreatedItems.Remove(0);
+                }
+            if ( iSyncStatus == EItemsCreated )
+                {
+                // all done
+                iSyncStatus = EReady;
+                LOGGER_WRITE("iSyncStatus = EReady");
+                }
+            }
+        else
+            {
+            LOGGER_WRITE_1("Wrong sync status: %d", iSyncStatus);
+            User::Leave( KErrInUse );
+            }
+        }
+    else
+        {
+        LOGGER_WRITE("Read response");
+        if ( !iResponseData )
+            {
+            User::Leave( KErrNotReady );
+            }
+        aResult.WriteL( iResponseData->Ptr(0), iResponseData->Size() );
+        delete iResponseData;
+        iResponseData = NULL;
+        }
+    aResult.CommitL();
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ReplaceItemsL( RReadStream& aData )
+    {
+    TRACE_FUNC_ENTRY;
+    delete iResponseData;
+    iResponseData = NULL;
+    iResponseData = CBufFlat::NewL(KDefaultExpandSize);
+    RBufWriteStream responseStream( *iResponseData );
+    CleanupClosePushL( responseStream );
+    // Read item uids from parameter
+    TInt itemCount = aData.ReadInt32L();
+    
+    responseStream.WriteInt32L( itemCount );
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        TSmlDbItemUid uid = aData.ReadInt32L();
+        TSmlDbItemUid parent = aData.ReadInt32L();
+        TBool fieldChange = aData.ReadUint8L();
+        TInt len = aData.ReadInt32L();
+        HBufC8* dataBuf = HBufC8::NewLC( len );
+        TPtr8 dataPtr = dataBuf->Des();
+        aData.ReadL( dataPtr, len );
+        
+        TRAPD( err, iSyncSession.ReplaceItemL(uid, 
+                parent, 
+                fieldChange, dataPtr));
+        CleanupStack::PopAndDestroy( dataBuf );
+        
+        responseStream.WriteInt32L( uid );
+        responseStream.WriteInt32L( err );
+        }
+    responseStream.CommitL();
+    CleanupStack::PopAndDestroy( &responseStream );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::GetReplaceItemsResponseL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    if ( aParams.Length() > 0 )
+        {
+        LOGGER_WRITE8_1("aParams: %S", &aParams);
+        if ( iSyncStatus == EReady )
+            {
+            LOGGER_WRITE("Start replacing items from file");
+            iReplacedItems.Reset();
+            
+            // create parameter stream reader
+            const TUint8* ptr = aParams.Ptr();
+            RMemReadStream stream( ptr , aParams.Size() );
+            CleanupClosePushL( stream );
+            
+            // read filename
+            TInt filenameLength = stream.ReadInt32L();
+            LOGGER_WRITE_1("filename length: %d", filenameLength );
+            HBufC8* filenameBuf8 = HBufC8::NewLC( filenameLength ); // filename
+            TPtr8 filenamePtr = filenameBuf8->Des();
+            stream.ReadL( filenamePtr, filenameLength);
+            LOGGER_WRITE("filename ok");
+            
+            TInt err = CnvUtfConverter::ConvertToUnicodeFromUtf8(iFileInProgress, filenameBuf8->Des() );
+            LOGGER_WRITE_1("ConvertToUnicodeFromUtf8 err: %d", err);
+            User::LeaveIfError( err );
+            if ( iFileInProgress.RightTPtr(KDataFileExtension().Length()).CompareF(KDataFileExtension) != 0 )
+                {
+                iFileInProgress = KNullDesC();
+                LOGGER_WRITE("File extendion was not correct");
+                User::Leave( KErrAccessDenied );
+                }
+            
+            // open file
+            err = iFileStream.Open(iFs, iFileInProgress, EFileShareReadersOnly);
+            LOGGER_WRITE_1("iFileStream.Open err: %d", err);
+            User::LeaveIfError( err );
+            
+            CleanupStack::PopAndDestroy( filenameBuf8 );
+            CleanupStack::PopAndDestroy( &stream );
+            
+            iSyncStatus = EReplacingItemsFromFile;
+            iItemsLeftInStream = iFileStream.ReadInt32L();
+            LOGGER_WRITE_1("iItemsLeftInStream: %d", iItemsLeftInStream);
+            // write results to return stream
+            aResult.WriteInt32L( iItemsLeftInStream );
+            aResult.WriteInt32L( 0 ); // completed items since last sync
+            ReplaceNextItemOnStreamL();
+            iItemsLeftInStream--;
+            }
+        else if ( iSyncStatus == EReplacingItemsFromFile || iSyncStatus == EItemsReplaced )
+            {
+            LOGGER_WRITE("Read status");
+            TInt temp = 0;
+            if ( iSyncStatus == EReplacingItemsFromFile )
+                {
+                // one item is on progress, add it to to "left" items.
+                temp = 1;
+                }
+            LOGGER_WRITE_1("left items: %d", iItemsLeftInStream + temp);
+            LOGGER_WRITE_1("completed items: %d", iReplacedItems.Count());
+            aResult.WriteInt32L( iItemsLeftInStream + temp ); // items in progress
+            aResult.WriteInt32L( iReplacedItems.Count() ); // completed items since last get
+            //for (TInt i=0; i<iCreatedItems.Count(); i++)
+            while ( iReplacedItems.Count() > 0 )
+                {
+                aResult.WriteInt32L( iReplacedItems[0].iItemUid );
+                aResult.WriteInt32L( iReplacedItems[0].iErrorCode );
+                iReplacedItems.Remove(0);
+                }
+            if ( iSyncStatus == EItemsReplaced )
+                {
+                // all done
+                iSyncStatus = EReady;
+                LOGGER_WRITE("iSyncStatus = EReady");
+                }
+            }
+        }
+    else
+        {
+        if ( !iResponseData )
+            {
+            LOGGER_WRITE("No response data, leave KErrNotReady");
+            User::Leave( KErrNotReady );
+            }
+        aResult.WriteL( iResponseData->Ptr(0), iResponseData->Size() );
+        aResult.CommitL();
+        delete iResponseData;
+        iResponseData = NULL;
+        }
+    aResult.CommitL();
+    
+    
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::MoveItemsL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;  
+    const TUint8* ptr = aParams.Ptr();
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+    
+    // Read item uids from parameter
+    TInt itemCount = stream.ReadInt32L();
+    aResult.WriteInt32L( itemCount );
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        TSmlDbItemUid uid = stream.ReadInt32L();
+        TSmlDbItemUid newParent = stream.ReadInt32L();
+        TRAPD( err, iSyncSession.MoveItemL( uid,newParent ));
+        
+        aResult.WriteInt32L( uid );
+        aResult.WriteInt32L( err );
+        }
+    aResult.CommitL();
+    CleanupStack::PopAndDestroy( &stream );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::DeleteItemsL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    const TUint8* ptr = aParams.Ptr();
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+    
+    // Read item uids from parameter
+    TInt itemCount = stream.ReadInt32L();
+    aResult.WriteInt32L( itemCount );
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        TSmlDbItemUid uid = stream.ReadInt32L();
+        
+        TRAPD( err, iSyncSession.DeleteItemL( uid ));
+        
+        aResult.WriteInt32L( uid );
+        aResult.WriteInt32L( err );
+        }
+    aResult.CommitL();
+    CleanupStack::PopAndDestroy( &stream );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::SoftDeleteItemsL( const TDesC8& aParams, RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    const TUint8* ptr = aParams.Ptr();
+    RMemReadStream stream( ptr , aParams.Size() );
+    CleanupClosePushL( stream );
+    
+    // Read item uids from parameter
+    TInt itemCount = stream.ReadInt32L();
+    aResult.WriteInt32L( itemCount );
+    for ( TInt i=0; i<itemCount; i++ )
+        {
+        TSmlDbItemUid uid = stream.ReadInt32L();
+        
+        TRAPD( err, iSyncSession.SoftDeleteItemL( uid ));
+        
+        aResult.WriteInt32L( uid );
+        aResult.WriteInt32L( err );
+        }
+    aResult.CommitL();
+    CleanupStack::PopAndDestroy( &stream );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::DeleteAllItemsL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    if ( IsActive() )
+        {
+        LOGGER_WRITE("Warning: Was on active state!");
+        Cancel();
+        }
+    SetActive();
+    iStatus = KRequestPending;
+    iSyncStatus = EDeletingAllItems;
+    iSyncSession.DeleteAllItems( iStatus );
+    aResult.WriteInt32L( KErrNone );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::GetDeleteAllItemsStatusL( RWriteStream& aResult )
+    {
+    if ( iSyncStatus == EDeletingAllItems )
+        {
+        LOGGER_WRITE("CSconSyncHandler::GetDeleteAllItemsStatusL - In progress");
+        aResult.WriteInt8L( 1 ); // 1 = in progress
+        }
+    else
+        {
+        LOGGER_WRITE("CSconSyncHandler::GetDeleteAllItemsStatusL - Ready");
+        aResult.WriteInt8L( 0 ); // 0 = ready
+        aResult.WriteInt32L( iStatus.Int() );
+        }
+    }
+
+void CSconSyncHandler::GetStoreFormatL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    RStringPool pool;
+    pool.OpenL();
+    CleanupClosePushL( pool );
+    CSmlDataStoreFormat* storeFormat(NULL);
+    TRAPD( err, storeFormat = iSyncSession.StoreFormatL( pool ) );
+    CleanupStack::PushL( storeFormat );
+    aResult.WriteInt32L( err );
+    if ( !err )
+        {
+        storeFormat->ExternalizeL( aResult );
+        }
+    CleanupStack::PopAndDestroy( storeFormat );
+    CleanupStack::PopAndDestroy( &pool );
+    TRACE_FUNC_EXIT;
+    }
+
+
+void CSconSyncHandler::SetRemoteStoreFormatL( RReadStream& aData )
+    {
+    TRACE_FUNC_ENTRY;
+    RStringPool pool;
+    pool.OpenL();
+    CleanupClosePushL( pool );
+    CSmlDataStoreFormat* serverDataStoreFormat = CSmlDataStoreFormat::NewLC( pool, aData );
+    iSyncSession.SetRemoteStoreFormatL( *serverDataStoreFormat );
+    // Save format for later use
+    TRAPD(err, SaveRemoteStoreFormatL( *serverDataStoreFormat, iCurrentContextUid, iCurrentDataProviderUid ));
+    if ( err )
+        {
+        LOGGER_WRITE_1("SaveRemoteStoreFormatL err: %d", err);
+        }
+    CleanupStack::PopAndDestroy( serverDataStoreFormat );
+    CleanupStack::PopAndDestroy( &pool );
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::CreateNextItemOnStreamL()
+    {
+    TRACE_FUNC_ENTRY;
+    if ( IsActive() )
+        {
+        LOGGER_WRITE("Warning: Was on active state!");
+        Cancel();
+        }
+    iTemporaryItemUid = iFileStream.ReadInt32L();
+    TSmlDbItemUid parent = iFileStream.ReadInt32L();
+    
+    TInt len = iFileStream.ReadUint16L();
+    HBufC8* mimeTypeBuf = HBufC8::NewLC( len );
+    TPtr8 mimeTypePtr = mimeTypeBuf->Des();
+    iFileStream.ReadL(mimeTypePtr, len);
+    
+    len = iFileStream.ReadUint16L();
+    HBufC8* mimeVerBuf = HBufC8::NewLC( len );
+    TPtr8 mimeVerPtr = mimeVerBuf->Des();
+    iFileStream.ReadL(mimeVerPtr, len);
+    
+    len = iFileStream.ReadInt32L();
+    HBufC8* dataBuf = HBufC8::NewLC( len );
+    TPtr8 dataPtr = dataBuf->Des();
+    iFileStream.ReadL( dataPtr, len );    
+    
+    SetActive();
+    iStatus = KRequestPending;
+    iSyncSession.CreateItemL(iCreatedItemUidPckg,
+            parent, mimeTypePtr,
+            mimeVerPtr, dataPtr, iStatus);
+    
+    CleanupStack::PopAndDestroy( dataBuf );
+    CleanupStack::PopAndDestroy( mimeVerBuf );
+    CleanupStack::PopAndDestroy( mimeTypeBuf );
+    
+   
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::ReplaceNextItemOnStreamL()
+    {
+    TRACE_FUNC_ENTRY;
+    if ( IsActive() )
+        {
+        LOGGER_WRITE("Warning: Was on active state!");
+        Cancel();
+        }
+    TSmlDbItemUid uid = iFileStream.ReadInt32L();
+    TSmlDbItemUid parent = iFileStream.ReadInt32L();
+    TBool fieldChange = iFileStream.ReadUint8L();
+    TInt len = iFileStream.ReadInt32L();
+    HBufC8* dataBuf = HBufC8::NewLC( len );
+    TPtr8 dataPtr = dataBuf->Des();
+    iFileStream.ReadL( dataPtr, len );
+    
+    iReplacedItem.iItemUid = uid;
+    
+    SetActive();
+    iStatus = KRequestPending;
+    
+    iSyncSession.ReplaceItemL(uid, 
+                parent, 
+                fieldChange, dataPtr, iStatus);
+    
+    CleanupStack::PopAndDestroy( dataBuf );
+   
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::CancelOperationsL( RWriteStream& aResult )
+    {
+    TRACE_FUNC_ENTRY;
+    Cancel();
+    // all done
+    iFileStream.Close();
+    iTemporaryItemUid = -1;
+    iCreatedItemUid = -1;
+    iSyncStatus = EItemsCreated;
+    iFs.Delete( iFileInProgress );
+    iFileInProgress = KNullDesC();
+    iItemsLeftInStream = 0;
+    _LIT8(KDummyParam, "Cancel");
+    if ( iSyncStatus == EItemsCreated )
+        {
+        GetCreateItemsResponseL( KDummyParam, aResult );
+        }
+    else if ( iSyncStatus == EItemsReplaced )
+        {
+        GetReplaceItemsResponseL( KDummyParam, aResult );
+        }
+    
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::DoCancel()
+    {
+    TRACE_FUNC_ENTRY;
+    iSyncSession.CancelRequest();
+    Reset();
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::RunL()
+    {
+    TRACE_FUNC_ENTRY;
+    LOGGER_WRITE_1("iSyncStatus: %d", iSyncStatus);
+    LOGGER_WRITE_1("iStatus: %d", iStatus.Int());
+    if ( iSyncStatus == ECreatingItemsFromFile )
+        {
+        LOGGER_WRITE_1("iTemporaryItemUid: %d", iTemporaryItemUid);
+        LOGGER_WRITE_1("iCreatedItemUid: %d", iCreatedItemUid);
+        TCreatedItem item;
+        item.iTemporaryId = iTemporaryItemUid;
+        item.iErrorCode = iStatus.Int();
+        item.iNewUid = iCreatedItemUid;
+        iCreatedItems.Append( item );
+        if ( iItemsLeftInStream > 0 )
+            {
+            CreateNextItemOnStreamL();
+            iItemsLeftInStream--;
+            LOGGER_WRITE_1("iItemsLeftInStream: %d", iItemsLeftInStream);
+            }
+        else
+            {
+            // all done
+            LOGGER_WRITE("All items added.");
+            iFileStream.Close();
+            iTemporaryItemUid = -1;
+            iCreatedItemUid = -1;
+            iSyncStatus = EItemsCreated;
+            TInt err = iFs.Delete( iFileInProgress );
+            LOGGER_WRITE_2("iFs.Delete( '%S' ) ret: %d", &iFileInProgress, err);
+            iFileInProgress = KNullDesC();
+            }
+        }
+    else if ( iSyncStatus == EReplacingItemsFromFile )
+        {
+        iReplacedItem.iErrorCode = iStatus.Int();
+        iReplacedItems.Append( iReplacedItem );
+        if ( iItemsLeftInStream > 0 )
+            {
+            ReplaceNextItemOnStreamL();
+            iItemsLeftInStream--;
+            LOGGER_WRITE_1("iItemsLeftInStream: %d", iItemsLeftInStream);
+            }
+        else
+            {
+            // all done
+            LOGGER_WRITE("All items replaced.");
+            iFileStream.Close();
+            iSyncStatus = EItemsReplaced;
+            TInt err = iFs.Delete( iFileInProgress );
+            LOGGER_WRITE_2("iFs.Delete( '%S' ) ret: %d", &iFileInProgress, err);
+            iFileInProgress = KNullDesC();
+            }
+        }
+    else if ( iSyncStatus == EDeletingAllItems )
+        {
+        iSyncStatus = EReady;
+        }
+    TRACE_FUNC_EXIT;
+    }
+
+TInt CSconSyncHandler::RunError( TInt aError )
+    {
+    TRACE_FUNC_ENTRY;
+    LOGGER_WRITE_1("aError: %d", aError);
+    LOGGER_WRITE_1("iSyncStatus: %d", iSyncStatus);
+    TInt err( aError );
+    if ( iSyncStatus == ECreatingItemsFromFile )
+        {
+        iSyncStatus = EItemsCreated;
+        iItemsLeftInStream = 0;
+        iFileStream.Close();
+        err = iFs.Delete( iFileInProgress );
+        LOGGER_WRITE_2("iFs.Delete( '%S' ) ret: %d", &iFileInProgress, err);
+        iFileInProgress = KNullDesC();
+        err = KErrNone;
+        }
+    else if ( iSyncStatus == EReplacingItemsFromFile )
+        {
+        iSyncStatus = EItemsReplaced;
+        iItemsLeftInStream = 0;
+        iFileStream.Close();
+        err = iFs.Delete( iFileInProgress );
+        LOGGER_WRITE_2("iFs.Delete( '%S' ) ret: %d", &iFileInProgress, err);
+        iFileInProgress = KNullDesC();
+        err = KErrNone;
+        }
+    else if ( iSyncStatus == EDeletingAllItems )
+        {
+        iSyncStatus = EReady;
+        }
+    
+    TRACE_FUNC_EXIT;
+    return err;
+    }
+
+void CSconSyncHandler::Reset()
+    {
+    TRACE_FUNC_ENTRY;
+    iFileStream.Close();
+    TInt err = iFs.Delete( iFileInProgress );
+    LOGGER_WRITE_2("iFs.Delete( '%S' ) ret: %d", &iFileInProgress, err);
+    iFileInProgress = KNullDesC();
+    iSyncStatus = EReady;
+    TRACE_FUNC_EXIT;
+    }
+
+void CSconSyncHandler::SetCalendarCenrepL( TInt aProfileId, const TDesC& aServerId )
+    {
+    LOGGER_WRITE(" Write cenrep values");
+    CRepository* rep = CRepository::NewLC(KNsmlDsSessionInfoKey);
+    User::LeaveIfError( rep->Set(EDSSessionProfileId, aProfileId) );
+    User::LeaveIfError( rep->Set(EDSSessionProfileName, KNullDesC) );
+    User::LeaveIfError( rep->Set(EDSSessionServerId, aServerId) );
+    CleanupStack::PopAndDestroy(rep);
+    iCalendarCenrepUsed = ETrue;
+    }
+
+void CSconSyncHandler::ClearCalendarCenrepL()
+    {
+    if ( iCalendarCenrepUsed )
+        {
+        LOGGER_WRITE("Calendar sync, clear cenrep values");
+                
+        CRepository* rep = CRepository::NewLC(KNsmlDsSessionInfoKey);
+        rep->Set(EDSSessionProfileId, KErrNotFound);
+        rep->Set(EDSSessionProfileName, KNullDesC);
+        rep->Set(EDSSessionServerId, KNullDesC);
+        CleanupStack::PopAndDestroy(rep);
+        iCalendarCenrepUsed = EFalse;
+        }
+    }
+