upnpframework/upnputilities/inc/upnpconnectionmonitor.h
branchnew development branch with rendering state machine and other goodies
changeset 38 5360b7ddc251
parent 0 7f85d04be362
--- a/upnpframework/upnputilities/inc/upnpconnectionmonitor.h	Fri Sep 17 08:31:21 2010 +0300
+++ b/upnpframework/upnputilities/inc/upnpconnectionmonitor.h	Mon Nov 01 12:37:49 2010 +0200
@@ -1,141 +1,168 @@
-/*
-* 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:  Monitors for WLAN connection
-*
-*/
-
-#ifndef C_UPNPCONNECTIONMMONITOR_H
-#define C_UPNPCONNECTIONMMONITOR_H
-
-
-// INCLUDES
-#include <e32base.h>
-#include <rconnmon.h>
-
-#include <f32file.h> 
-
-#include "upnpconnectionmonitorobserver.h"
-
-// CONSTANTS
-// none
-
-// MACROS
-// none
-
-// DATA TYPES
-// none
-
-// FUNCTION PROTOTYPES
-// none
-
-// FORWARD DECLARATIONS
-// none
-
-// CLASS DECLARATION
-
-/**
-* CUPnPConnectionMonitor class provides a WLAN connection monitor
-* for UPnP applications.
-*
-* @lib upnputilities.lib
-* @since S60 3.0
-*/
-class CUPnPConnectionMonitor :  public CActive,
-                                public MConnectionMonitorObserver
-    {
-    
-public:  // Constructors and destructor
-    
-    /**
-     * Two-phased constructor.
-     */
-    IMPORT_C static CUPnPConnectionMonitor* NewL(
-        MUPnPConnectionMonitorObserver& aObserver, TInt aAccessPoint );
-    
-    /**
-     * Destructor.
-     */
-    virtual ~CUPnPConnectionMonitor();
-
-    /**
-     * Simulate connection lost case. Calling this method will cause all
-     * instances of the CUPnPConnectionMonitor to call back "ConnectionLost"
-     * via the observer API.
-     *
-     * This method is for module test use only.
-     */
-    IMPORT_C static void DebugSimulateConnectionLostL();
-    
-    /**
-     * Checks current connection ids what is wlan id
-     * and stores it to iConnectionId
-     */
-    void  ParseCurrentConnections();
-    
-protected: // From CActive
-
-    void DoCancel();
-    
-    void RunL();
-
-protected: // From MConnectionMonitorObserver
-
-    /**
-     * Catches the Connection monitor events 
-     * @since Series 60 3.0
-     * @param aConnMonEvent event
-     * @return none
-     */
-    void EventL( const CConnMonEventBase& aConnMonEvent ) ;
-        
-private:
-
-    /**
-     * C++ default constructor.
-     */
-    CUPnPConnectionMonitor( MUPnPConnectionMonitorObserver& aObserver,
-        TInt aAccessPoint );
-
-    /**
-     * By default Symbian 2nd phase constructor is private.
-     */
-    void ConstructL();
-    
-    /**
-     * Checks connection type
-     */
-    TBool IsWlanConnection( TInt aConnectionId);
-
-
-private:    // Data
-
-    // file server (used only in debugging services)
-    RFs iFs;
-
-    // Connection monitor server
-    RConnectionMonitor              iConnectionMonitor;
-
-    // Connection id
-    TInt                            iConnectionId;
-
-    // Callback pointer, not owned
-    MUPnPConnectionMonitorObserver& iObserver;
-
-    // Accesspoint to be observed
-    TInt                            iAccessPoint;
-    };
-
-#endif // C_UPNPCONNECTIONMMONITOR_H
-            
-// End of File
+/*
+* 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:  Monitors for WLAN connection
+*
+*/
+
+#ifndef C_UPNPCONNECTIONMMONITOR_H
+#define C_UPNPCONNECTIONMMONITOR_H
+
+
+// INCLUDES
+#include <e32base.h>
+#include <rconnmon.h>
+
+#include "upnpconnectionmonitorobserver.h"
+
+/**
+* CUPnPConnectionMonitor class provides a WLAN connection monitor
+* for UPnP applications.
+*
+* @lib upnputilities.lib
+* @since S60 3.0
+*/
+class CUPnPConnectionMonitor :  public CActive,
+                                public MConnectionMonitorObserver
+    {
+    
+public:  // Constructors and destructor
+    
+    /**
+     * Two-phased constructor.
+     */
+    IMPORT_C static CUPnPConnectionMonitor* NewL( TInt aAccessPoint );
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CUPnPConnectionMonitor();
+
+    /**
+     * Sets connection observer. Can be used if observer changes 
+     * after creation of connection monitor.
+     * @param aObserver Observer.
+     */
+    IMPORT_C void SetObserver( MUPnPConnectionMonitorObserver& aObserver );
+    
+    /**
+     * Requests a notification when requested access point is available.
+     * To avoid high power consumption, access point is observed some
+     * minutes. If access point is available earlier, IapAvailable is 
+     * called and monitoring stopped. Observation of access point can 
+     * be canceled with NotifyIapCancel at any point.
+     * @param aAccessPoint Access point from which notification is requested.
+     */
+    IMPORT_C void NotifyIap( TInt aAccessPoint );
+    
+    /**
+     * Stops scanning of access point started with NotifyIap.
+     */
+    IMPORT_C void NotifyIapCancel();
+    
+protected: // From CActive
+
+    void DoCancel();
+    
+    void RunL();
+
+protected: // From MConnectionMonitorObserver
+
+    /**
+     * Catches the Connection monitor events 
+     * @since Series 60 3.0
+     * @param aConnMonEvent event
+     * @return none
+     */
+    void EventL( const CConnMonEventBase& aConnMonEvent ) ;
+        
+private:
+
+    /**
+     * C++ default constructor.
+     */
+    CUPnPConnectionMonitor( TInt aAccessPoint );
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL();
+    
+    /**
+     * Checks connection type
+     */
+    TBool IsWlanConnection( TInt aConnectionId);
+
+    /**
+     * Checks current connection ids what is wlan id
+     * and stores it to iConnectionId
+     */
+    void  ParseCurrentConnections();
+    
+    /**
+     * Callback for iap observation stop timer.
+     */
+    static TInt TimeoutCallback( TAny* aSelf );
+
+    /**
+     * Implementation of timeout handling.
+     */
+    void StopIapObservation();
+    
+    /**
+     * Cancels and deletes timeout timer.
+     */
+    void DeleteTimeoutTimer();
+
+private:
+    
+    enum EMonitorState
+        {
+        EMonitorStateWait,
+        EMonitorStateIap
+        };
+
+private:    // Data
+
+    // Connection monitor server
+    RConnectionMonitor              iConnectionMonitor;
+
+    // Connection id on connection creation
+    TInt                            iConnectionIdOnCreate;
+
+    // Connection id on connection deletion
+    TInt                            iConnectionId;
+
+    // Callback pointer, not owned
+    MUPnPConnectionMonitorObserver* iObserver;
+
+    // Accesspoint to be observed
+    TInt                            iAccessPoint;
+    
+    // Indication of scan request
+    TBool                           iMonitorState;
+    
+    // Buffer for iap information
+    TConnMonIapInfoBuf              iIapBuf;
+    
+    // Timer used when scanning iap at intervals
+    RTimer                          iTimer;
+    
+    // Timer used to avoid scanning of access point
+    // forever if client does not stop scanning.
+    CPeriodic*                      iTimeout;
+    };
+
+#endif // C_UPNPCONNECTIONMMONITOR_H
+            
+// End of File