--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnp/upnpstack/dlnawebserver/src/upnpsocketshutdown.cpp	Tue Feb 02 01:12:20 2010 +0200
@@ -0,0 +1,232 @@
+/** @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 "upnptcpsessionreader.h"
+#include "upnptcpsessionwriter.h"
+#include "upnphttpfiletransferwriter.h"
+#include "upnphttpfiletransferreader.h"
+#include "upnpsocketshutdown.h"
+#include "upnpnotifytimer.h"
+
+
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::NewL
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpSocketShutdown* CUpnpSocketShutdown::NewL( CUpnpTcpSession& aSession, RSocket& aSocket, TThreadPriority aPriority )
+    {
+    CUpnpSocketShutdown* self = new ( ELeave ) CUpnpSocketShutdown( aSession, aSocket, aPriority );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::CUpnpSocketShutdown
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpSocketShutdown::CUpnpSocketShutdown( CUpnpTcpSession& aSession, RSocket& aSocket, TThreadPriority aPriority ):CActive( aPriority ),iSession( aSession ),iSocket( aSocket ),iInternalState(EUnknown), iSessionTimeouted( EFalse )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::ConstructL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    iInputTimeoutTimer = CUpnpNotifyTimer::NewL( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::~CUpnpSocketShutdown
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpSocketShutdown::~CUpnpSocketShutdown()
+    {
+    Cancel();
+    delete iInputTimeoutTimer;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::ShutdownImmediate
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::ShutdownImmediate()
+    {
+    iSession.iTcpReader->Cancel();       
+    iSession.iTcpWriter->Cancel();      
+    if( iSession.iFTReader )
+        {
+        iSession.iFTReader->Cancel();
+        }
+    if( iSession.iFTWriter )
+        {
+        iSession.iFTWriter->Cancel();
+        }
+    iSocket.Shutdown( iSocket.EImmediate, iStatus );
+    iInternalState = ENotConnected;                
+    SetActive();    
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::ShutdownStop
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::ShutdownStop()
+    {
+    if ( iInternalState == EUnknown )
+        {
+        iSession.iTcpReader->CancelTimers();
+        if( iSession.iFTReader )
+            {
+            iSession.iFTReader->CancelTimers();
+            }
+        
+        if( iSession.iTcpReader->IsActive() 
+            || ( iSession.iFTReader && iSession.iFTReader->IsActive() ) 
+          )
+            {
+            iSocket.Shutdown( iSocket.EStopOutput, iStatus );            
+            iInternalState = EShuttingDownStopOutput ;               
+            }
+        else
+            {
+            iSocket.Shutdown( iSocket.ENormal, iStatus );
+            iInternalState = EShuttingDownNormal;
+            }
+        SetActive();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::MarksTimeout
+// Marks if timeout occured on session
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::MarksTimeout()
+    {
+    iSessionTimeouted = ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::HandleError
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::HandleError( TInt /*aError*/ )
+    {
+    switch ( iInternalState )
+        {
+        case EUnknown: // error happened during reading/writing - start shutdown procedure
+            ShutdownStop();
+            break;
+        case EShuttingDownStopOutput: // input error appeares while shutdown stop output is pending
+                                      // when it returns shutdown immediate is invoked in RunL  
+            iInternalState = EInputErrorReceived;
+            break;
+        case EWaitingForInputError: // error response from reader after shutdown stop output                  
+            ShutdownImmediate();
+            break;
+        case EShuttingDownNormal: // do nothimg session is being closed
+        case ENotConnected: // do nothing session is closed
+        default:
+            break;        
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::HandleError
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::RunL()
+    {
+    switch( iInternalState )
+        {
+        case EShuttingDownNormal: // shutdown normal response came
+            ShutdownImmediate();
+            break;
+        case EShuttingDownStopOutput: // shutdown stop output response came
+                                // waiting for KErrEof from HandleError()                                
+            if( !iSessionTimeouted )
+                {
+                iInternalState = EWaitingForInputError;                                
+                iInputTimeoutTimer->Cancel();
+                iInputTimeoutTimer->After(KSessionTimeout, EFalse);     
+                break;                
+                }
+        case EInputErrorReceived: // input error came before stop output finished
+            ShutdownImmediate();
+            break;
+        case ENotConnected:  // shutdown immediate response came          
+            iSession.CloseSocketL();           
+            break;
+        default:
+            break;    
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::TimerEventL
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//        
+void CUpnpSocketShutdown::TimerEventL( CUpnpNotifyTimer* /*aTimer*/ )
+    {
+     switch( iInternalState )
+        {
+        case EWaitingForInputError: // waiting for input error timeout 
+            ShutdownImmediate();
+            break;            
+        default: 
+            break;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::DoCancel
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//
+void CUpnpSocketShutdown::DoCancel()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CUpnpSocketShutdown::HandleError
+// Disconnect connection
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpSocketShutdown::RunError( TInt /*aError*/ )
+    {
+    return KErrNone;
+    }
+  
+