vpnengine/kmdserver/inc/disconnectionobserver.h
changeset 0 33413c0669b9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/kmdserver/inc/disconnectionobserver.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,107 @@
+/*
+* 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:  active object, that monitors link disconnection
+*
+*/
+
+
+#ifndef C_DISCONNECTIONOBSERVER_H
+#define C_DISCONNECTIONOBSERVER_H
+
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CIkeConnectionInterface;
+
+/**
+ *  Disconnection observer callback interface.
+ *  Callback interface which is used by CDisconnectionObserver object to notify
+ *  about link disconnection.
+ * 
+ *  @lib internal (kmdserver.exe)
+  */
+class MDisconnectionObserverCallback
+    {
+public:        
+    /**
+     * Notifies about disconnection.
+     * @param aStatus Completion status
+     */
+    virtual void DisconnectIndication( TInt aStatus ) = 0;
+    };
+
+/**
+ *  Disconnection observer.
+ *  Active object provides functionality for notifying link disconnection.
+ *
+ *  @lib internal (kmdserver.exe)
+  */
+class CDisconnectionObserver : public CActive
+    {
+public:
+    /**
+     * Two-phased constructor.
+     * @param aIkeConnectionInterface IKE connection interface
+     * @param aCallback Callback interface
+     */
+    static CDisconnectionObserver* NewL( CIkeConnectionInterface& aIkeConnectionInterface,
+                                         MDisconnectionObserverCallback& aCallback );
+
+    /**
+     * Destructor.
+     */
+    ~CDisconnectionObserver();
+
+    /**
+     * Starts observing Link disconnection. Link disconnection is notified via
+     * MDisconnectionObserverCallback interface.
+     */
+    void StartObserving();
+    
+private:
+    
+    CDisconnectionObserver( CIkeConnectionInterface& aIkeConnectionInterface,
+                            MDisconnectionObserverCallback& aCallback );
+
+// from base class CActive
+    
+    /**
+     * From CActive
+     * Handles completion of asynchronous notification request.
+     */    
+    void RunL();
+
+    /**
+     * From CActive
+     * Handles cancellation of asynchronous notification request.
+     */    
+    void DoCancel();
+        
+private: // data
+    
+    /**
+     * IKE connection interface.
+     * Not own.
+     */
+    CIkeConnectionInterface&        iIkeConnectionInterface;
+    
+    /**
+     * Callback interface.
+     * Not own.
+     */
+    MDisconnectionObserverCallback& iCallback;
+    };
+
+
+#endif // C_DISCONNECTIONOBSERVER_H