--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwconnectionmultiplexer/inc/cncmicmpv4receiver.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2007-2008 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:    ICMPv4 receiver
+*
+*/
+
+
+
+
+#ifndef C_CNCMICMPV4RECEIVER_H
+#define C_CNCMICMPV4RECEIVER_H
+
+// INCLUDES
+#include <e32base.h>
+#include <in_sock.h>
+
+// FORWARD DECLARATIONS
+class MNcmSessionObserver;
+class CNcmIcmpSender;
+class MNcmIcmpObserver;
+
+/**
+ *  Receives and handles ICMPv4 errors.
+ *
+ *  @lib connectionmux.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CNcmIcmpV4Receiver ): public CActive
+    {
+    
+    friend class UT_CNcmIcmpReceiver;
+    
+public: // Constructors and destructor
+
+    /** 
+     * Two-phased constructor
+     * @param   aServer             Socket server
+     * @param   aConnection         RConnection
+     * @param   aObserver           ICMP error observer
+     */
+    static CNcmIcmpV4Receiver* NewL( RSocketServ& aServer,
+        RConnection& aConnection, MNcmIcmpObserver& aObserver );
+
+    virtual ~CNcmIcmpV4Receiver();
+
+public: // From CActive
+
+    void RunL();
+
+    void DoCancel();
+
+private: // Constructors, for internal use
+
+    CNcmIcmpV4Receiver( RSocketServ& aServer,
+        RConnection& aConnection, MNcmIcmpObserver& aObserver );
+
+    void ConstructL();
+
+private: // New functions, for internal use
+
+    void Receive();
+
+    void CheckError();
+
+private: // Data
+
+    /**
+     * Socket server
+     */
+    RSocketServ& iServer;
+    
+    /**
+     * RConnection
+     */
+    RConnection& iConnection;
+    
+    /**
+     * Socket
+     */
+    RSocket iSocket;
+
+    /**
+     * ICMP sender
+     * Own.
+     */   
+    CNcmIcmpSender* iIcmpSender;
+
+    /**
+     * Buffer where data is received from the socket
+     */
+    TBuf8<64> iData;
+
+    /**
+     * Address
+     */
+    TInetAddr iAddress;
+
+    /**
+     * Observer interface used to receive ICMP error notifies 
+     */
+    MNcmIcmpObserver& iObserver;
+
+    };
+
+#endif // end of C_CNCMICMPV4RECEIVER_H
+
+