--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnp/upnpstack/dlnawebserver/src/upnpretrywrite.cpp	Tue Feb 02 01:12:20 2010 +0200
@@ -0,0 +1,195 @@
+/** @file
+* Copyright (c) 2005-2006 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:  
+*
+*/
+
+
+
+#include "upnptcpsession.h"
+#include "upnpretrywrite.h"
+
+#ifdef _DEBUG
+#define KLogFile _L("DLNAWebServer.txt")
+#endif
+#include "upnpcustomlog.h"
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::NewL
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpRetryWrite* CUpnpRetryWrite::NewL( CUpnpTcpSession& aSession, RSocket& aSocket, MUpnpRetryWriteObserver* aObserver, TThreadPriority aPriority )
+    {
+    CUpnpRetryWrite* self = new ( ELeave ) CUpnpRetryWrite( aSession, aSocket, aObserver, aPriority );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::CUpnpRetryWrite
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpRetryWrite::CUpnpRetryWrite( CUpnpTcpSession& aSession, RSocket& aSocket, MUpnpRetryWriteObserver* aObserver, TThreadPriority aPriority ):CActive( aPriority ),iSession( aSession ),iSocket( aSocket ),iObserver( aObserver ),iInternalState(EUnknown),iWriteErrorsCount(0)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::ConstructL
+//
+// -----------------------------------------------------------------------------
+//	
+void CUpnpRetryWrite::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    User::LeaveIfError( iWriteTimer.CreateLocal() );   
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::~CUpnpRetryWrite
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpRetryWrite::~CUpnpRetryWrite()
+    {
+    Cancel();
+    iWriteTimer.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::IssueWriteRetry
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpRetryWrite::IssueWriteRetry()
+    {
+	iSession.WaitRetryError(iStatus.Int());
+	iWriteTimer.After( iStatus, KWaitWithSocketWrite * ++iWriteErrorsCount );
+	SetActive();
+	iInternalState = EWaiting;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::WriteToSocket
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpRetryWrite::WriteToSocket()
+    {
+	iSession.WaitRetryError(iStatus.Int(), ETrue);
+	iSocket.Write( KNullDesC8, iStatus );
+	SetActive();
+	iInternalState = EWriting;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::PassErrorToObserverL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpRetryWrite::PassErrorToObserverL( TInt aError )
+	{
+	iInternalState = EUnknown;	
+	iWriteErrorsCount = 0;
+	iObserver->RetryWriteFailL( aError );
+	}
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::RunL
+//
+// -----------------------------------------------------------------------------
+//	
+void CUpnpRetryWrite::RunL()
+    {
+	if ( iStatus == KErrNone )
+		{
+		switch( iInternalState )
+			{
+			case EWaiting:
+				WriteToSocket();
+				break;
+			case EWriting:
+				iInternalState = EUnknown;	
+				iWriteErrorsCount = 0;
+				iObserver->RetryWriteSucceed();
+				break;
+			}
+		}
+	else
+		{
+		if( iInternalState == EWriting )
+			{
+			switch( iStatus.Int() )
+				{
+				case KErrNoMemory:
+				case KErrNotReady:							
+					if( iWriteErrorsCount < KWriteErrorsMax )
+						{
+						IssueWriteRetry();
+						break;
+						}							
+				default:
+					PassErrorToObserverL( iStatus.Int() );
+					break;
+				}
+			}
+        else
+	    	{
+    		if( iInternalState == EWaiting && iStatus.Int() == KErrAbort )
+	    		{        		
+        		iWriteTimer.After(iStatus,1);
+        		iWriteErrorsCount++;
+        		SetActive();
+	    		}	
+    		else
+	    		PassErrorToObserverL( iStatus.Int() );
+	    	}			
+		}
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::DoCancel
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpRetryWrite::DoCancel()
+    {
+    iWriteErrorsCount = 0;
+	iInternalState = EUnknown;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::RunError
+//
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpRetryWrite::RunError( TInt aError )
+    {
+    LOGS1("CUpnpRetryWrite::RunError(%d)", aError);
+   	return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpRetryWrite::IsStarted
+//
+// -----------------------------------------------------------------------------
+//
+TBool CUpnpRetryWrite::IsStarted()
+	{
+	return (iInternalState != EUnknown);
+	}
+