--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlanutilities/wlansniffer/wlansnifferkeepalive/inc/wsfkeepalive.h	Tue Aug 31 16:18:40 2010 +0300
@@ -0,0 +1,175 @@
+/*
+* Copyright (c) 2010 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:
+* Main implementation of Wlan Sniffer Keepalive application.
+*/
+
+#ifndef WSFKEEPALIVE_H
+#define WSFKEEPALIVE_H
+
+// System includes
+ 
+// User includes
+
+#include "wsfkeepalivetimer.h"
+ 
+// Forward declarations
+
+class CWsfKeepaliveCmm;
+class CWsfKeepaliveConnMon;
+class CWsfKeepaliveConnMonDisc;
+class CWsfKeepaliveEsock;
+ 
+// External data types
+
+// Global function prototypes
+ 
+// Constants
+
+// Class declaration
+
+/**
+ *  Main implementation of Wlan Sniffer Keepalive application.
+ *  
+ *  This class contains the actual application logic, which monitors
+ *  Wlan connections and keeps them alive, if needed.
+ */
+class CWsfKeepalive : public CBase, public MWsfKeepaliveTimerNotify
+    {
+    // Friend classes:
+    friend class CWsfKeepaliveTestSuite;
+
+public:
+    
+    // Data types
+
+    // Constants
+    
+    /** Invalid/not available connection ID */
+    static const TUint KInvalidConnectionId = 0;
+
+    /** Constructors */
+    
+    /**
+     * Two-phased constructor.
+     * 
+     * @return New object allocated from heap
+     */
+    static CWsfKeepalive* NewL();
+    
+    /**> Destructor */
+    virtual ~CWsfKeepalive();
+
+public:
+    
+    /**
+     * Timer expiration handler. Disconnects the monitored connection,
+     * if needed. Restarts timer, if needed.
+     *
+     * @param aError Status of the timer event
+     */
+    void TimerExpired( TInt aError );
+
+    /**
+     * Wlan connection event handler. Shares and starts to monitor the
+     * opened connection, if necessary.
+     *
+     * @param aConnectionId ID of the opened connection
+     * @param aIapId IAP ID of the opened connection
+     */
+    void WlanConnectionOpenedL( TUint aConnectionId, TUint aIapId );
+    
+    /**
+     * Wlan connection event handler. Stops monitoring the connection.
+     */
+    void WlanConnectionClosed();
+
+protected:
+    
+private:
+    
+    CWsfKeepalive();
+
+    void ConstructL();
+    
+    TBool OpenedByWlanSniffer( TUint aConnectionId );
+    
+    TBool NoRealClients( TUint aConnectionId );
+    
+    void SetState( TUint aState );
+        
+private: // Data
+
+    // Constants
+
+    /**
+     * State values for the keepalive implementation
+     */
+    enum
+        {
+        /** Not monitoring any connection */
+        EInactive,
+        /** Monitoring connection, which has no real clients */
+        EActiveNoClients,
+        /** Monitoring connection, which has one or more real clients */
+        EActiveWithClients
+        };
+    
+    /**
+     * Timer for polling users of a connection
+     */
+    CWsfKeepaliveTimer* iTimer;
+
+    /**
+     * Connection Method Manager class reference
+     */
+    CWsfKeepaliveCmm* iCmMgr;
+    
+    /**
+     * Connection Monitor class reference
+     */
+    CWsfKeepaliveConnMon* iConnMon;
+
+    /**
+     * Connection Disconnector class reference
+     */
+    CWsfKeepaliveConnMonDisc* iConnMonDisc;
+    
+    /**
+     * RConnection handler class reference
+     */
+    CWsfKeepaliveEsock* iEsock;
+    
+    /**
+     * Time when keepalive started for monitored connection
+     */
+    TTime iKeepaliveStart;
+    
+    /**
+     * ID of monitored connection, KInvalidConnectionId if not valid
+     */
+    TUint iConnectionId;
+
+    /**
+     * State of the keepalive implementation
+     */
+    TUint iState;
+    
+    /**
+     * IapId of the connection
+     */
+    TUint iIapId;
+    };
+
+#endif // WSFKEEPALIVE_H