realtimenetprots/sipfw/SIP/ConnectionMgr/src/TStateInactiveConnecting.cpp
changeset 0 307788aac0a8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/ConnectionMgr/src/TStateInactiveConnecting.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,146 @@
+// Copyright (c) 2004-2009 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:
+// Name        : TStateInactiveConnecting.cpp
+// Part of     : ConnectionMgr
+// Implementation
+// Version     : SIP/4.0
+//
+
+
+
+#include "TStateInactiveConnecting.h"
+#include "msipconnectioncontext.h"
+#include "SipLogs.h"
+
+// 20000 ms = twenty seconds
+const TUint KTimerTwentySeconds( 20000 );
+
+// 4000 ms = four seconds
+const TUint KTimerFourSeconds( 4000 );
+
+// ----------------------------------------------------------------------------
+// TStateInactiveConnecting::Enter
+// ----------------------------------------------------------------------------
+//
+void TStateInactiveConnecting::Enter( TInt /*aError*/ )
+	{
+	
+	__SIP_LOG( "TStateInactiveConnecting::Enter" )
+	// Don't release all resources since we have to monitor connection's
+	// total closure.
+	iContext.ReleaseTransportResources( EFalse );
+	
+    // Start waiting for total RConnection closure. If connection is tried to
+	// be started right after it started going down, restarting may
+	// fail unintentionally.
+	TInt err = iContext.MonitorConnectionClosure();
+	if( err )
+		{
+		EnterState( MStateModel::EUnavailable, err );
+		return;
+		}
+		
+    // Start also guard timer which will cause connection attempt after
+    // long waiting (i.e. connection closure event wasn't never received). 
+	StartTimer( KTimerTwentySeconds );		
+	}
+	
+// ----------------------------------------------------------------------------
+// TStateInactiveConnecting::Exit
+// ----------------------------------------------------------------------------
+//
+void TStateInactiveConnecting::Exit()
+	{
+	iTimer.Stop( iTimerId );	
+	}
+
+// ----------------------------------------------------------------------------
+// TStateInactiveConnecting::NetworkStateChanged
+// ----------------------------------------------------------------------------
+//
+void TStateInactiveConnecting::NetworkStateChanged(
+    MSIPNetworkObserver::TNetworkState aState,
+    TInt aError )
+	{
+	 __SIP_INT_LOG2( "TStateInactiveConnecting::NetworkStateChanged", aState, aError )
+	// Some connection types might not want to try anymore monitoring at this 
+	// point, instead they go straight to unavailable state if error occured 
+	if ( aError && !iContext.ContinueMonitoring( aError ) && (iContext.ConnectionType()!=MSIPConnectionContext::ELanBearer) )
+	    {
+	    EnterState( MStateModel::EUnavailable, aError );
+		return;
+	    }
+	
+	// Some connection types will continue monitoring even if error occured     
+    if( aError ||
+        aState == MSIPNetworkObserver::ENetworkInactive ||
+	    aState == MSIPNetworkObserver::ENetworkSuspended )
+		{
+		// Needed to recover from offline mode:
+		EnterState( MStateModel::EInactiveMonitoring, aError );
+		}
+    else if ( aState == MSIPNetworkObserver::EConnectionLost )
+	    {
+	    // Connection should be ready to be started. Wait still a bit.
+	    StartTimer( KTimerFourSeconds );
+	    }
+	else if( aState == MSIPNetworkObserver::ENetworkConnected )
+		{
+		EnterState( MStateModel::EActiveResolving );
+		} 
+	else
+		{
+		// do nothing, "else" required by PC-Lint..
+		}					
+	}
+	
+// ----------------------------------------------------------------------------
+// TStateInactiveConnecting::TimerExpiredL
+// ----------------------------------------------------------------------------
+//
+void TStateInactiveConnecting::TimerExpiredL( TTimerId /*aTimerId*/,
+								 		      TAny* /*aTimerParam*/ )
+	{	
+	
+	__SIP_LOG( "TStateInactiveConnecting::TimerExpiredL" )
+    OpenConnection();
+	}
+
+// ----------------------------------------------------------------------------
+// TStateInactiveConnecting::OpenConnection
+// ----------------------------------------------------------------------------
+//	
+void TStateInactiveConnecting::OpenConnection()
+	{
+	TInt err = iContext.OpenConnection();	
+	if( err )
+		{
+		EnterState( MStateModel::EUnavailable, err );
+		}	
+	}
+	
+// ----------------------------------------------------------------------------
+// TStateInactiveConnecting::StartTimer
+// ----------------------------------------------------------------------------
+//	
+void TStateInactiveConnecting::StartTimer( TInt aTimeout )
+	{
+	iTimer.Stop( iTimerId );
+	
+	TRAPD( err, iTimerId = iTimer.StartL( this, aTimeout ) );
+	if( err )
+		{
+		EnterState( MStateModel::EUnavailable, err );
+		}	
+	}