--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/supl/locationomasuplprotocolhandler/supllistener/inc/epos_comasuplsmslistenerbase.h	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 2005 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:   Base class for OMA SUPL SMS Listener implementations
+*
+*/
+
+
+
+#ifndef C_COMASUPLSMSLISTENERBASE_H
+#define C_COMASUPLSMSLISTENERBASE_H
+
+#include <e32base.h>
+#include <e32std.h>
+#include <es_sock.h>
+#include <f32file.h>
+
+
+/**  WDP Port on which to listen for incoming messages */
+const TInt KWDPPort             = 7275;
+
+/**
+ *  Base class for OMA SUPL SMS Listener implementations
+ *  @since S60 v3.1
+ */
+class COMASuplSmsListenerBase : public CActive
+    {
+
+public:
+
+    /**  
+     * States of SMS Listener component 
+     */
+    enum TState
+        {
+        EIdle = 0, 
+        EListening, 
+        EAcknowledging,
+        ESubscriptionActive,
+        ESettingsInitialized,
+        EComplete
+        };
+
+public:
+
+    /**
+     * Destructor
+     *
+     */
+    virtual ~COMASuplSmsListenerBase();
+    
+    /**
+     * Listens for incoming SMS messages
+     *
+     * @since S60 v3.1
+     */
+    void ListenForSMSL();
+    
+	/**
+	 * Wrapper function used for tracing
+	 *
+	 */
+	void Trace( const TDesC& aMessage, const TDesC& aFileName, TInt line );
+    
+protected:
+
+    /** 
+     * Connection to Socket Server
+     */
+    RSocketServ 	            iSocketServer;
+
+    /** 
+     * Socket over which SMS is received
+     */
+    RSocket 		            iSocket;
+
+    /**
+     * Connection to File server required by CSMSMessage API
+     */
+    RFs 			            iFs;
+
+    /** 
+     * 
+     */
+    TPckgBuf<TUint>             iBuf;
+
+    /** 
+     * Current state transition
+     */
+    TState 			            iState;
+    
+protected:
+
+    /**
+     * Constructor
+     *
+     */
+    COMASuplSmsListenerBase();
+    
+	/*
+	 * Forwards message to SUPL gateway
+	 *
+	 * @since S60 v3.1
+	 */
+    void COMASuplSmsListenerBase::SendL( const TPtr8& aMessage );
+
+    // from base class CActive    
+    /**
+     * Cancels outanding events
+     *
+     */	
+	void DoCancel();
+	
+    /**
+     * Event handling function
+     *
+     */	
+	void RunL();
+	
+private:
+
+    /**
+     * Associates the socket with a specific address family 
+     * based on the implementation and binds the socket
+     *
+     * @since S60 v3.1
+     */
+    virtual void InitializeL()		= 0;
+
+    /**
+     * Extracts the payload from the received SMS message
+     *
+     * @since S60 v3.1
+     */	
+    virtual void ProcessMessageL()	= 0;
+
+    };
+
+
+#include "epos_comasuplsmslistenerbase.inl"
+
+
+#endif  // C_COMASUPLSMSLISTENERBASE_H