--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikesocket/inc/sender.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 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:  Sender for UDP data
+*
+*/
+
+
+#ifndef C_SENDER_H
+#define C_SENDER_H
+
+#include <e32base.h>
+#include <in_sock.h>
+
+// FORWARD DECLARATIONS
+
+class MIkeDebug;
+
+/**
+ *  Sender callback interface.
+ *
+ *  Callback interface for informing completion of sending.
+ *
+ *  @lib ikesocket.lib
+ */
+NONSHARABLE_CLASS( MSenderCallback )
+    {
+public:
+    /**
+     * Notifies about completed sending.
+     * 
+     * @param aStatus Completion status
+     */    
+    virtual void SendCompleted( const TInt aStatus ) = 0;
+    };
+
+/**
+ *  Sender of UDP data.
+ *
+ *  This class provides functionality for sending UDP data. Completion of
+ *  sending is notified via MSenderCallback callback interface.
+ *  
+ *  @lib ikesocket.lib
+ */
+NONSHARABLE_CLASS( CSender ) : public CActive
+    {
+public:
+    /**
+     * Two-phased constructor.
+     * @param aSocket Socket for local port 500
+     * @param aSocketNAT Socket for local port 4500
+     * @param aSocketNokiaNAT Socket for Nokia NAT port
+     * @param aCallback Callback interface
+     * @param aDebug Debug trace interface
+     */
+    static CSender* NewL( RSocket& aSocket,
+                          RSocket& aSocketNAT,
+                          RSocket& aSocketNokiaNAT,
+                          MSenderCallback& aCallback,
+                          MIkeDebug& aDebug );
+    
+    /**
+     * Destructor.
+     */
+    ~CSender();
+    
+    /**
+     * Sends UDP data.
+     *
+     * @param aLocalPort Local port
+     * @param aDestAddr Destination IP address/port
+     * @param aUdpData UDP data
+     * @param aDscp DSCP value
+     * @return Error value
+     */
+    TInt SendUdpData( const TInt aLocalPort,
+                      const TInetAddr& aDestAddr,
+                      const TDesC8& aUdpData,
+                      const TUint aDscp );
+    
+// from base class CActive
+        
+    /**
+     * From CActive.
+     * Handles an active object's request completion event about sending.
+     */
+    void RunL();
+    
+    /**
+     * From CActive.
+     * Implements cancellation of sending.
+     */ 
+    void DoCancel();    
+
+private:
+
+    CSender( RSocket& aSocket,
+             RSocket& aSocketNAT,
+             RSocket& aSocketNokiaNAT,
+             MSenderCallback& aCallback,
+             MIkeDebug& aDebug );
+    
+    void ConstructL();
+    
+    
+private: // data    
+    
+    /**
+     * Socket for port 500.
+     * Not own.
+     */
+    RSocket& iSocket;
+    
+    /**
+     * Socket for port 4500.
+     * Not own.
+     */
+    RSocket& iSocketNAT;
+    
+    /**
+     * Socket for Nokia NAT port.
+     * Not own.
+     */
+    RSocket& iSocketNokiaNAT;
+    
+    /**
+     * Local port used for sending.
+     * Own.
+     */
+    TInt iLocalPort;
+    
+    /**
+     * Destination address used for sending.
+     * Own.
+     */
+    TInetAddr iDestAddr;
+
+    /**
+     * Sender callback for completing sending.
+     * Not own.
+     */
+    MSenderCallback& iCallback;
+    
+    /**
+     * Debug trace interface.
+     * Not own.
+     */
+    MIkeDebug& iDebug;
+    };
+
+#endif // C_SENDER_H