--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikev1lib/src/ikev1receiver.cpp	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,165 @@
+/*
+* 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 "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:  Receiver of UDP datagrams
+*
+*/
+
+
+#include <in_sock.h>
+
+#include "ikedatainterface.h"
+#include "ikemsgheader.h"
+
+// CLASS HEADER
+#include "ikev1receiver.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CIkev1Receiver* CIkev1Receiver::NewL( MIkeDataInterface& aDataInterface,
+                                      MIkev1ReceiverCallback& aCallback )
+    {
+    CIkev1Receiver* self = new (ELeave) CIkev1Receiver( aDataInterface,
+                                                        aCallback );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CIkev1Receiver::~CIkev1Receiver()
+    {
+    Cancel();
+    
+    delete iUdpData;    
+    }
+
+// ---------------------------------------------------------------------------
+// Constructor.
+// ---------------------------------------------------------------------------
+//
+CIkev1Receiver::CIkev1Receiver( MIkeDataInterface& aDataInterface,
+                                MIkev1ReceiverCallback& aCallback )
+ : CActive( EPriorityStandard ),
+   iUdpData( NULL ),
+   iDataInterface( aDataInterface ),
+   iCallback( aCallback )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// Second phase construction.
+// ---------------------------------------------------------------------------
+//
+void CIkev1Receiver::ConstructL()
+    {
+    StartReceive();
+    }
+
+// ---------------------------------------------------------------------------
+// Starts receive.
+// ---------------------------------------------------------------------------
+//
+void CIkev1Receiver::StartReceive()
+    {
+    DoReceive();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive
+// Handles completion of receive. 
+// ---------------------------------------------------------------------------
+//
+void CIkev1Receiver::RunL()
+    {
+    if ( iStatus.Int() == KErrNone )
+        {
+        __ASSERT_DEBUG( iUdpData != NULL,
+                        User::Invariant() );
+        
+        const ThdrISAKMP* ikeHdr = ThdrISAKMP::Ptr( iUdpData->Des() );
+        TInt msgLth = iUdpData->Length();
+        
+        // Ignore possible <non-ESP marker> in the beginning of IKE message.
+        TUint32 ikeMsgHdrOctets = GET32( ikeHdr );
+        if ( ikeMsgHdrOctets == NON_ESP_MARKER )
+            {
+            ikeHdr  = ikeHdr->GotoOffset( NON_ESP_MARKER_SIZE );
+            msgLth -= NON_ESP_MARKER_SIZE;
+            }
+        
+        iCallback.IkeMsgReceivedL( *ikeHdr, iSrcAddr, iLocalPort );                
+        }
+    else
+        {
+        iCallback.ReceiveError( iStatus.Int() );
+        }
+    
+    delete iUdpData;
+    iUdpData = NULL;
+    
+    if ( iStatus.Int() == KErrNone )
+        {
+        // Continue receiving.
+        DoReceive();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive
+// Handles cancellation of receive. 
+// ---------------------------------------------------------------------------
+//
+void CIkev1Receiver::DoCancel()
+    {
+    iDataInterface.CancelReceive();
+    
+    delete iUdpData;
+    iUdpData = NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// Handles a leave occurring in RunL().
+// Handles cancellation of receive. 
+// ---------------------------------------------------------------------------
+//
+TInt CIkev1Receiver::RunError( TInt aError )
+    {
+    delete iUdpData;
+    iUdpData = NULL;
+    
+    iCallback.ReceiveError( aError );
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Receives UDP data. 
+// ---------------------------------------------------------------------------
+//
+void CIkev1Receiver::DoReceive()
+    {
+    iDataInterface.ReceiveUdpData( iUdpData, iSrcAddr, iLocalPort, iStatus );
+    SetActive();
+    }
+
+