bearermanagement/mpm/src/mpmvpntogglewatcher.cpp
branchRCL_3
changeset 57 05bc53fe583b
child 71 9f263f780e41
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bearermanagement/mpm/src/mpmvpntogglewatcher.cpp	Tue Aug 31 15:35:44 2010 +0300
@@ -0,0 +1,242 @@
+/*
+* 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: Listen VPN toggle key changes in central repository.
+*
+*/
+
+#include <centralrepository.h>
+#include <mpmvpntoggleapi.h>
+#include "mpmlogger.h"
+#include "mpmvpntogglewatcher.h"
+
+// ---------------------------------------------------------------------------
+// Default constructor
+// ---------------------------------------------------------------------------
+//
+CMpmVpnToggleWatcher::CMpmVpnToggleWatcher( MMpmVpnToggleWatcherNotify& aNotify )
+    : CActive( EPriorityStandard ),
+      iNotify( aNotify )
+    {
+    CActiveScheduler::Add( this );    
+    }
+
+
+// ---------------------------------------------------------------------------
+// Creates central repositor object
+// ---------------------------------------------------------------------------
+//
+void CMpmVpnToggleWatcher::ConstructL()
+    {
+    TRAPD(err, iRepository = CRepository::NewL( KMpmVpnToggleCenRepUid ));
+    if ( err == KErrNone )
+        {
+        StartL();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Creates new object
+// ---------------------------------------------------------------------------
+//
+CMpmVpnToggleWatcher* CMpmVpnToggleWatcher::NewL( MMpmVpnToggleWatcherNotify& aNotify )
+    {
+    CMpmVpnToggleWatcher* self = new( ELeave ) CMpmVpnToggleWatcher(aNotify);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CMpmVpnToggleWatcher::~CMpmVpnToggleWatcher()
+    {    
+    Cancel();
+    delete iRepository;
+    }
+
+// ---------------------------------------------------------------------------
+// Order notification from changes
+// ---------------------------------------------------------------------------
+//
+void CMpmVpnToggleWatcher::StartL()
+    {
+    MPMLOGSTRING( "CMpmVpnToggleWatcher::StartL" )
+            
+    // Get the initial Connect screen ID from repository.
+    User::LeaveIfError( GetVpnToggleValues() );
+
+    // Request for notifications.
+    User::LeaveIfError( RequestNotifications() );
+    }
+
+// ---------------------------------------------------------------------------
+// Request notifications.
+// ---------------------------------------------------------------------------
+//
+TInt CMpmVpnToggleWatcher::RequestNotifications()
+    {
+    MPMLOGSTRING( "CMpmVpnToggleWatcher::RequestNotifications" )
+
+    TInt err = iRepository->NotifyRequest( KMpmVpnTogglePreferVpn, iStatus );
+        
+    if ( err == KErrNone )
+        {
+        SetActive();
+        }
+    else
+        {
+        MPMLOGSTRING2( "CMpmVpnToggleWatcher::RequestNotifications, ERROR: %d", err )
+        }
+    return err;
+    }
+
+// ---------------------------------------------------------------------------
+// Get VPN toggle values.
+// ---------------------------------------------------------------------------
+//
+TInt CMpmVpnToggleWatcher::GetVpnToggleValues()
+    {
+    MPMLOGSTRING( "CMpmVpnToggleWatcher::GetVpnToggleValues" )
+            
+    // Get values from central repository    
+    TInt err = iRepository->Get( KMpmVpnTogglePreferVpn, iVpnConnectionPreferred );
+    if ( err != KErrNone )
+        {
+        MPMLOGSTRING2( "CMpmVpnToggleWatcher::GetVpnToggleValues, preferred value, ERROR: %d", err )    
+        return err;
+        }    
+    TInt value(0);    
+    err = iRepository->Get( KMpmVpnToggleIapId, value );
+    if ( err != KErrNone )
+        {
+        MPMLOGSTRING2( "CMpmVpnToggleWatcher::GetVpnToggleValues, IAP Id value, ERROR: %d", err )
+        return err;
+        }    
+    iVpnIapId = value;   
+    err = iRepository->Get( KMpmVpnToggleSnapId, value );
+    if ( err != KErrNone )
+        {
+        MPMLOGSTRING2( "CMpmVpnToggleWatcher::GetVpnToggleValues, SNAP Id value, ERROR: %d", err )
+        return err;
+        }
+    iSnapId = value;        
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Return VPN toggle value.
+// ---------------------------------------------------------------------------
+//
+TBool CMpmVpnToggleWatcher::IsVpnConnectionPreferred() const
+    {
+    return iVpnConnectionPreferred;
+    }
+
+// ---------------------------------------------------------------------------
+// Return VPN IAP Id.
+// ---------------------------------------------------------------------------
+//
+TUint32 CMpmVpnToggleWatcher::VpnIapId() const
+    {
+    return iVpnIapId;
+    }
+
+// ---------------------------------------------------------------------------
+// Return SNAP Id.
+// ---------------------------------------------------------------------------
+//
+TUint32 CMpmVpnToggleWatcher::SnapId() const
+    {
+    return iSnapId;
+    }
+
+// ---------------------------------------------------------------------------
+// Resets VPN toggle values.
+// ---------------------------------------------------------------------------
+//
+void CMpmVpnToggleWatcher::ResetVpnToggleValues()
+    {
+    // Cancel listening VPN toggle value change
+    Cancel();
+
+    // Reset values.
+    iVpnConnectionPreferred = EFalse;
+    iVpnIapId = 0;
+    iSnapId = 0;
+    
+    TInt err = iRepository->Set( KMpmVpnTogglePreferVpn, 0 );
+    if ( err == KErrNone ) 
+        {
+        err = iRepository->Set( KMpmVpnToggleIapId, 0 );
+        }
+    if ( err == KErrNone )
+        {
+        err = iRepository->Set( KMpmVpnToggleSnapId, 0 );
+        }
+    
+    MPMLOGSTRING2( "CMpmVpnToggleWatcher::ResetVpnToggleValues, ERROR: %d", err )
+    
+    // Restart listening VPN toggle value change
+    RequestNotifications();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// When there is a change in VPN toggle key value, event is received in here
+// ---------------------------------------------------------------------------
+//
+void CMpmVpnToggleWatcher::RunL()
+    {            
+    if ( iStatus.Int() < KErrNone )
+        {
+        MPMLOGSTRING2("CMpmVpnToggleWatcher::RunL, status: 0x%08X", iStatus.Int())
+        iErrorCounter++;
+        if ( iErrorCounter > KMpmVpnToggleWatcherCenRepErrorThreshold )
+            {
+            MPMLOGSTRING2("Over %d consecutive errors, stopping notifications permanently.",
+                    KMpmVpnToggleWatcherCenRepErrorThreshold)
+            return;
+            }
+        // Else: Error occured but counter not expired. Proceed.
+        RequestNotifications();
+        }
+    else
+        {
+        // Notification is received ok => Reset the counter.
+        iErrorCounter = 0;
+    
+        RequestNotifications();
+        
+        // Get values from central repository
+        GetVpnToggleValues();
+        
+        // Notify values.
+        TRAP_IGNORE( iNotify.SetVpnToggleValuesL( iVpnConnectionPreferred,
+                                                  iVpnIapId,
+                                                  iSnapId ) );        
+        }    
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Cancel outstanding request
+// ---------------------------------------------------------------------------
+//
+void CMpmVpnToggleWatcher::DoCancel()
+    {
+    iRepository->NotifyCancel( KMpmVpnTogglePreferVpn );
+    }