satengine/SatServer/Engine/src/csatbipconnectionobserver.cpp
changeset 0 ff3b6d0fd310
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/satengine/SatServer/Engine/src/csatbipconnectionobserver.cpp	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,145 @@
+/*
+* Copyright (c) 2007 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:  Observer of the GPRS connection status change
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <etelpckt.h>
+#include <pcktcs.h> // for EPacketNotifyStatusChange in DoCancel
+#include "csatbipconnectionobserver.h"
+#include "CSatBIPUtils.h"
+#include "SatLog.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSatBIPConnectionObserver::CSatBIPConnectionObserver
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSatBIPConnectionObserver::CSatBIPConnectionObserver(
+    CSatBIPUtils& aBipUtils ) :
+    CActive( EPriorityNormal ),
+    iBipUtils( aBipUtils )
+    {
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::\
+        CSatBIPConnectionObserver calling" )
+    CActiveScheduler::Add( this );
+    // Get current status
+    iBipUtils.PacketService().GetStatus( iConnectionStatus );
+    // Set last status
+    iPrevConnectionStatus = iConnectionStatus;
+    LOG2( NORMAL, "SATENGINE: CSatBIPConnectionObserver::\
+        CSatBIPConnectionObserver exiting: %i", iConnectionStatus )
+    }
+
+// -----------------------------------------------------------------------------
+// CSatBIPConnectionObserver::~CSatBIPConnectionObserver
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CSatBIPConnectionObserver::~CSatBIPConnectionObserver()
+    {
+    LOG( SIMPLE,
+        "SATENGINE: CSatBIPConnectionObserver::~CSatBIPConnectionObserver \
+        calling" )
+    Cancel();
+    LOG( SIMPLE,
+        "SATENGINE: CSatBIPConnectionObserver::~CSatBIPConnectionObserver \
+        exiting" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSatBIPConnectionObserver::RunL
+// -----------------------------------------------------------------------------
+//
+void CSatBIPConnectionObserver::RunL()
+    {
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::RunL calling" )
+
+    const TInt errStatus( iStatus.Int() );
+    LOG2( SIMPLE, " RunL (%i)", errStatus )
+    LOG2( SIMPLE, " ConnStatus (%i)", iConnectionStatus )
+    if ( KErrNone == errStatus )
+        {
+        //if previous status is active packet data connection and
+        //current status is inactive packet data connection, drop links.
+        if( RPacketService::EStatusActive == iPrevConnectionStatus && 
+            ( RPacketService::EStatusAttached == iConnectionStatus || 
+            RPacketService::EStatusUnattached == iConnectionStatus ))
+            {
+            LOG( NORMAL, "CSatBIPConnectionObserver::RunL stop UDP link" )
+            iBipUtils.StopUdpLink();
+            }
+        
+        // Restart request
+        iPrevConnectionStatus = iConnectionStatus;
+        iBipUtils.PacketService().NotifyStatusChange( iStatus, iConnectionStatus );
+        SetActive();
+        }
+
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::RunL exiting" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSatBIPConnectionObserver::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CSatBIPConnectionObserver::DoCancel()
+    {
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::DoCancel calling" )
+
+    iBipUtils.PacketService().CancelAsyncRequest( EPacketNotifyStatusChange );
+
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::DoCancel exiting" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSatBIPConnectionObserver::StartObserver
+// Starts to observe connection status
+// -----------------------------------------------------------------------------
+//
+void CSatBIPConnectionObserver::StartObserver()
+    {
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::StartObserver calling" )
+
+    if ( !IsActive() )
+        {
+        LOG( SIMPLE, "  Activating observer" )
+        iBipUtils.PacketService().NotifyStatusChange( iStatus, iConnectionStatus );
+        SetActive();
+        }
+
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::StartObserver exiting" )
+    }
+
+// -----------------------------------------------------------------------------
+// CSatBIPConnectionObserver::Status
+// Returns current connection status
+// -----------------------------------------------------------------------------
+//
+RPacketService::TStatus CSatBIPConnectionObserver::Status() const
+    {
+    LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::Status \
+    calling-exiting" )
+    LOG2( NORMAL, " ConnectionStatus: %i", iConnectionStatus )
+    return iConnectionStatus;
+    }
+
+// End of file