messagingappbase/msgerrorwatcher/src/MsgErrorConnectionObserver.cpp
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/msgerrorwatcher/src/MsgErrorConnectionObserver.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2002 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:  
+*     CMsgErrorConnectionObserver implementation file
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <e32base.h>
+#include <rconnmon.h>
+
+#include "MsgErrorWatcher.h"
+#include "MsgErrorConnectionObserver.h"
+
+#ifdef USE_LOGGER
+#include "MsgErrorWatcherLogging.h"
+#endif
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::CMsgErrorConnectionObserver
+//
+// C++ constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------
+//
+CMsgErrorConnectionObserver::CMsgErrorConnectionObserver( CMsgErrorWatcher* aWatcher )
+    : iWatcher( aWatcher ),
+    iStarted( EFalse )
+    {
+    }
+
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::ConstructL
+//
+// Symbian OS default constructor can leave.
+// ---------------------------------------------------------
+//
+void CMsgErrorConnectionObserver::ConstructL()
+    {
+    User::LeaveIfError( iConnMon.ConnectL() ); 
+    }
+
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::NewL
+//
+// Two-phased constructor.
+// ---------------------------------------------------------
+//
+CMsgErrorConnectionObserver* CMsgErrorConnectionObserver::NewL( CMsgErrorWatcher* aWatcher )
+    {
+    CMsgErrorConnectionObserver* self = new ( ELeave )
+        CMsgErrorConnectionObserver( aWatcher );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+    
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::~CMsgErrorConnectionObserver
+//
+// Destructor
+// ---------------------------------------------------------
+//
+CMsgErrorConnectionObserver::~CMsgErrorConnectionObserver()
+    {
+#ifdef USE_LOGGER
+    MEWLOGGER_ENTERFN( "CMsgErrorConnectionObserver destructor" );
+#endif
+    iConnMon.CancelNotifications();
+    iConnMon.Close();
+#ifdef USE_LOGGER
+    MEWLOGGER_LEAVEFN( "CMsgErrorConnectionObserver destructor" );
+#endif
+    }
+
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::ConnectionsOpen
+// ---------------------------------------------------------
+//
+TUint CMsgErrorConnectionObserver::ConnectionsOpen()
+    {
+    // Get number of active (packet data) connections
+#ifdef USE_LOGGER
+    MEWLOGGER_ENTERFN( "CMsgErrorConnectionObserver::ConnectionsOpen" );
+#endif
+    TUint conns( 0 );
+    TUint subConns( 0 );
+    TUint packetDataConns( 0 );
+    TUint connId( 0 );    
+    TInt bearer( 0 );
+
+    TRequestStatus status;
+    iConnMon.GetConnectionCount( conns, status );
+    User::WaitForRequest( status );
+#ifdef USE_LOGGER
+    MEWLOGGER_WRITEF( _L("Connections open: %d"), conns );
+#endif
+
+    while ( conns-- )
+        {
+        // Connection indexing starts from 1
+        // --> Add one to index
+        iConnMon.GetConnectionInfo( conns + 1, connId, subConns );
+        iConnMon.GetIntAttribute( connId, 0, KBearer, bearer, status );
+        User::WaitForRequest( status );
+        switch ( bearer )
+            {
+            case EBearerGPRS:
+            case EBearerEdgeGPRS:
+            case EBearerExternalGPRS:
+            case EBearerExternalEdgeGPRS:
+            case EBearerWCDMA:
+            case EBearerExternalWCDMA:
+//#ifdef __WINS__
+//            case EBearerLAN:
+//#endif // WINS
+                {
+                packetDataConns++;
+                break;
+                }
+            default :
+                {
+                break;
+                }                
+            }
+        }
+#ifdef USE_LOGGER
+    MEWLOGGER_WRITEF( _L("Packet data connections open: %d"), packetDataConns );
+#endif
+    return packetDataConns;
+    }
+
+
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::Start
+// ---------------------------------------------------------
+//
+void CMsgErrorConnectionObserver::StartL()
+    {
+    if ( !iStarted )
+        {
+        iConnectionsOpenWhenStarted = ConnectionsOpen();
+        iConnMon.NotifyEventL( *this );
+        iStarted = ETrue;
+        }
+    }
+
+
+// ---------------------------------------------------------
+// CMsgErrorConnectionObserver::EventL
+//
+// From MConnectionMonitorObserver
+// ---------------------------------------------------------
+//
+void CMsgErrorConnectionObserver::EventL( const CConnMonEventBase& aConnMonEvent )
+    {
+#ifdef USE_LOGGER
+    MEWLOGGER_ENTERFN( "CMsgErrorConnectionObserver::EventL" );
+    MEWLOGGER_WRITEF( _L("EventType: %d"), aConnMonEvent.EventType() );
+#endif
+    switch( aConnMonEvent.EventType() )
+        {
+        case EConnMonDeleteConnection:
+            {
+            if ( ConnectionsOpen() < iConnectionsOpenWhenStarted )
+                {
+                iWatcher->HandleConnectionEvent();
+                }
+            //const CConnMonDeleteConnection *delEvent =
+            //    static_cast<const CConnMonDeleteConnection*>( &aConnMonEvent );
+            break;
+            }
+        default:
+            break;
+        }
+#ifdef USE_LOGGER
+    MEWLOGGER_LEAVEFN( "CMsgErrorConnectionObserver::EventL" );
+#endif
+    }
+
+
+// ================= OTHER EXPORTED FUNCTIONS ==============
+
+//  End of File