bearermanagement/mpm/inc/mpmconnmonreqs.h
changeset 0 5a93021fdf25
child 36 04408506c6e0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bearermanagement/mpm/inc/mpmconnmonreqs.h	Thu Dec 17 08:55:21 2009 +0200
@@ -0,0 +1,189 @@
+/*
+* Copyright (c) 2005-2009 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: MPM class used for ConnMon requests
+*
+*/
+
+/**
+@file mpmconnmonreqs.h
+MPM class used for ConnMon requests.
+*/
+
+#ifndef MPMCONNMONREQS_H
+#define MPMCONNMONREQS_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <rconnmon.h>
+#include "mpmconnmonevents.h"
+
+// CLASS DECLARATION
+/**
+*  MPM class definition for ConnMon requests.
+*
+*  @lib MPMServer.exe
+*  @since 3.1
+*/
+class CMPMConnMonReqs : public CActive
+    {
+
+    public:    // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CMPMConnMonReqs* NewL( CMPMConnMonEvents& aParent,
+                                      RConnectionMonitor& aConnMon,
+                                      TUint aConnId,
+                                      CMPMServerSession& aSession );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CMPMConnMonReqs();
+
+    public: // New functions
+        
+        /**
+        * Starts IapAvailability request towards Connection monitor. 
+        * Calls active sceduler wait to wait until the request completes.
+        * This is used when first session is starting and MPMServer registers 
+        * to ConnMonitor services. In this case the information 
+        * will not be accurate, unless the session creation waits for the 
+        * first update from ConnMon. 
+        *
+        * If registering to ConnMon is moved to MPMServer start, 
+        * remove this function.
+        *
+        * @since 3.1
+        */
+        void AvailableIapsSync();
+        
+        /**
+        * Requests available IAPs from Connection monitor.
+        * This also includes scanning available WLAN networks.
+        * @param aCallback Type of callback to use after completing 
+        * @param aForceRefreshIntervalSeconds
+        * @since 3.2
+        */
+        void RefreshAvailableIAPs( TWlanScanCallback aCallback, TInt aForceRefreshIntervalSeconds );
+
+        /**
+        * Compare request object connection ids
+        * @since 3.1
+        * @param aReq1
+        * @param aReq2
+        * @return ETrue if ids are equal, otherwise EFalse
+        */
+        static TBool CompareConnIds( const CMPMConnMonReqs& aReq1,
+                                     const CMPMConnMonReqs& aReq2 );
+
+        /**
+        * Marks the request as obsolete but allows it run to its completion
+        * @since 3.2
+        */
+        void MyCancel();
+
+    private:
+        /**
+        * Completes the error case and handles cancellation.
+        * @since 3.2
+        */
+        void ErrorCallbackL( TInt aStatus );
+            
+    public: // Functions from base classes
+
+        /**
+        * From CActive. Cancels request.
+        * @since 3.1
+        */
+        void DoCancel();
+
+        /**
+        * From CActive. Run when request completes.
+        * @since 3.1
+        */
+        void RunL();
+
+        /**
+        * From CActive. Run if RunL leaves.
+        * @since 3.1
+        * @param aError Error that caused leave.
+        * @return KErrNone
+        */
+        TInt RunError( TInt aError );
+
+    private: // New methods
+
+        /**
+        * C++ default constructor.
+        */
+        CMPMConnMonReqs( CMPMConnMonEvents&  aParent,
+                         RConnectionMonitor& aConnMon,
+                         TUint aConnId, 
+                         CMPMServerSession&  aSession );
+
+        /**
+        * 2nd phase constructor.
+        */
+        void ConstructL();
+
+    private: // Data
+
+        // Internal states types for this object
+        enum TRequestState
+            {
+            EGetIapAvailState, 
+            EScanWLANNetworksState,
+            EScanWLANNetworksStateCached,
+            EGetConnectionCountState, 
+            EObsolete
+            };
+
+        // Internal state
+        TRequestState iNextState;
+
+        // ConnMon request cancel code
+        TInt iLastCancelCode;
+
+        // Parent object reference
+        CMPMConnMonEvents& iParent;
+
+        // Reference to the Connection Monitor If
+        RConnectionMonitor& iConnMon;
+
+        // Connection identifier
+        TUint iConnId;
+
+        // Iap availability info buffer
+        TConnMonIapInfoBuf iIapBuf;
+
+        // MPM server session which requested the service
+        // After service completes callback function is called through 
+        // the reference.
+        CMPMServerSession& iSession;
+
+        // Used for first session start to wait until necessary data available
+        CActiveSchedulerWait iActiveSchedulerWait;        
+
+        // Callback type to be used when WLAN scan has been completed
+        TWlanScanCallback iWlanScanCallback;
+
+        // Keeps track of the number of connections
+        TUint iConnectionCount; 
+    };
+
+#endif // MPMCONNMONREQS_H
+
+// End of file