--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/ds/hostserver/dshostserverbase/src/Nsmldsasyncrequesthandler.cpp	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,128 @@
+/*
+* Copyright (c) 2005 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:  array for storing dataproviders and datastores.
+*
+*/
+
+
+// INCLUDE FILES
+#include <s32std.h>
+
+#include <nsmldebug.h>
+#include "nsmldshostconstants.h"
+#include "Nsmldsasyncrequesthandler.h"
+#include "Nsmldsdataproviderarray.h"
+
+// ======================================= MEMBER FUNCTIONS =======================================
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::~CNSmlDSAsyncRequestHandler
+// ------------------------------------------------------------------------------------------------    
+CNSmlDSAsyncRequestHandler::~CNSmlDSAsyncRequestHandler()
+	{
+	if ( iDSItem )
+    	{
+    	iDSItem->iDSAO = NULL;
+    	}
+	}
+	
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::CallDSAsyncL
+// ------------------------------------------------------------------------------------------------
+CSmlDataStore& CNSmlDSAsyncRequestHandler::CallDSAsyncLC()
+    {
+    AddToSchedulerL();
+    if ( !iDSItem )
+	    {
+	    User::Leave( KErrUnknown );
+	    }
+    	
+    if ( !iDSItem->iDataStore )
+	    {
+	    User::Leave( KErrUnknown );
+	    }
+	SetRequestStatusOnLeaveLC();
+	SetActive();
+	    
+    return *( iDSItem->iDataStore );
+    }
+    
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveLC
+// ------------------------------------------------------------------------------------------------	
+void CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveLC()
+    {
+    CleanupStack::PushL(TCleanupItem ( SetRequestStatusOnLeaveCleanup, this ) );
+    }    
+    
+    
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveCleanup
+// ------------------------------------------------------------------------------------------------
+void CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveCleanup( TAny* aP )
+	{
+	CNSmlDSAsyncRequestHandler* self = reinterpret_cast<CNSmlDSAsyncCallBack*>( aP );
+    TRequestStatus *status = &self->iStatus;
+    User::RequestComplete( status, KErrNone );
+	}
+    
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::SetActive
+// ------------------------------------------------------------------------------------------------
+void CNSmlDSAsyncRequestHandler::SetActive()
+	{
+	CActive::SetActive();
+	}    
+	
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::CNSmlDSAsyncRequestHandler
+// ------------------------------------------------------------------------------------------------
+CNSmlDSAsyncRequestHandler::CNSmlDSAsyncRequestHandler( TInt aPriority, 
+		CNSmlDSHostSession* aSession, 
+        TNSmlDSDataStoreElement* aDSItem, 
+        const RMessagePtr2& aMessage ) :
+    CActive( aPriority ), iSession( aSession ), 
+        iDSItem( aDSItem ), iMessage( aMessage )
+    {
+    ASSERT( aSession != NULL );
+    }
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::AddToSchedulerL
+// ------------------------------------------------------------------------------------------------
+void CNSmlDSAsyncRequestHandler::AddToSchedulerL()
+	{
+	ASSERT( iDSItem != NULL );
+	ASSERT( iDSItem->iDataStore != NULL );
+	
+	if ( iDSItem->iDSAO )
+        {
+        //error: asyncronous call already outstanding. Only one allowed at any one time.
+        User::Leave( ENSmlDSHostServerErrAsynchCallOutstanding );
+        }
+	iDSItem->iDSAO = this;
+    CActiveScheduler::Add( this );
+	}
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDSAsyncRequestHandler::RunError
+// ------------------------------------------------------------------------------------------------
+TInt CNSmlDSAsyncRequestHandler::RunError( TInt aError )
+	{
+	iMessage.Complete( aError );
+	delete this;
+	return KErrNone;
+	}
+	
+// End of File