linklayercontrol/networkinterfacemgr/src/CAgentSMBase.cpp
changeset 0 af10295192d8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayercontrol/networkinterfacemgr/src/CAgentSMBase.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,251 @@
+// Copyright (c) 2000-2009 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:
+// Source for Base classes in States and State Machines
+// 
+//
+
+/**
+ @file
+*/
+
+#include "CAgentSMBase.h"
+#include "AgentPanic.h"
+#include <connectprog.h>
+
+//
+// Agent State Base
+//
+
+EXPORT_C CAgentStateBase::CAgentStateBase(MAgentStateMachineEnv& aSMObserver) 
+	: CActive(EPriorityStandard),iSMObserver(&aSMObserver)
+/**
+Constructor
+*/
+	{
+	CActiveScheduler::Add(this);
+	}
+
+EXPORT_C CAgentStateBase::~CAgentStateBase()
+/**
+Destructor
+*/
+	{
+	Cancel();
+	}
+	
+EXPORT_C void CAgentStateBase::JumpToRunl(TInt aError)
+/**
+ * Jump directly to the RunL of the object
+ * @note Typically used in the case of errors, or when asynchronous requests do not need to be issued by this state
+ */
+	{
+	SetActive();
+	TRequestStatus* statusPtr=&iStatus;
+	User::RequestComplete(statusPtr,aError);
+	}
+
+//
+// Agent State Machine Base
+//
+
+EXPORT_C CAgentSMBase::CAgentSMBase(MAgentNotify& aControllerObserver, CDialogProcessor* aDlgPrc, CCommsDbAccess& aDbAccess) 
+	: CActive(EPriorityStandard),iControllerObserver(&aControllerObserver),iDlgPrc(aDlgPrc),
+	iDb(&aDbAccess),iContinueConnection(ETrue),iSMPhase(EConnecting)
+/**
+Constructor
+
+@param aControllerObserver
+@param aDlgPrc
+@param aDbAccess
+*/
+	{
+	CActiveScheduler::Add(this);
+	}
+
+EXPORT_C CAgentSMBase::~CAgentSMBase()
+/**
+Destructor
+*/
+	{
+	Cancel();
+	delete iState;
+	}
+
+void CAgentSMBase::ProcessState()
+	{
+	CAgentStateBase* nextiState=NULL;
+	TRAPD(ret,nextiState=iState->NextStateL(iContinueConnection));
+	iContinueConnection=ETrue;
+	if(ret==KErrNone)	// Next state instantiated succesfully
+		{
+		__ASSERT_DEBUG(nextiState, StateMachineAgentPanic(Agent::ENullStateOnProcessState));
+		delete iState;
+		iState=nextiState;
+		iStatus=KRequestPending;
+		iState->StartState();
+		if (!IsActive())
+			SetActive();
+		}
+	else
+		CompleteState(ret);
+	}
+
+void CAgentSMBase::StartConnect()
+	{
+	iStatus = KRequestPending;
+	iState->StartState();
+	SetActive();
+	}
+
+void CAgentSMBase::CancelConnect()
+	{
+	iContinueConnection=EFalse;
+	Cancel();
+	}
+
+EXPORT_C void CAgentSMBase::ConnectionContinuation(TSMContinueConnectType aConnectionAction)
+	{
+	switch(aConnectionAction)
+		{
+		case ECallBack :
+			iCallBack=ETrue;
+			iSMPhase=EConnecting;
+			break;
+		case EReconnect :
+			iIsReconnect=ETrue;
+			iCallBack=EFalse;
+			iSMPhase=EConnecting;
+			break;
+		case EDisconnect :
+			iContinueConnection=EFalse;
+			iSMPhase=EDisconnecting;
+			break;
+		default :
+			AgentPanic(Agent::EIllegalActionType);
+			break;
+		}
+	ProcessState();
+	}
+
+EXPORT_C void CAgentSMBase::PreventConnectionRetries()
+	{
+	iControllerObserver->PreventConnectionRetries();
+	}
+
+EXPORT_C void CAgentSMBase::ServiceStarted()
+	{
+	if(!iIsReconnect&&!iCallBack)
+		{
+		iControllerObserver->ServiceStarted();
+		}
+	}
+
+void CAgentSMBase::ConnectCompleteReset()
+	{
+	iSMPhase=EConnected;
+	Cancel();
+	iIsReconnect=EFalse;
+	}
+
+EXPORT_C void CAgentSMBase::ConnectionComplete(TInt aProgress,TInt aError)
+	{
+	ConnectCompleteReset();
+	iControllerObserver->ConnectionComplete(aProgress, aError);
+	}
+
+EXPORT_C void CAgentSMBase::ConnectionComplete(TInt aError)
+	{
+	ConnectCompleteReset();
+	iControllerObserver->ConnectionComplete(aError);
+	}
+
+EXPORT_C void CAgentSMBase::DisconnectComplete()
+	{
+	Cancel();
+	iSMPhase=EDisconnected;
+	iCallBack=EFalse;
+	iControllerObserver->DisconnectComplete();
+	}
+
+EXPORT_C void CAgentSMBase::UpdateProgress(TInt aProgress,TInt aError)
+	{
+	iControllerObserver->UpdateProgress(aProgress, aError);
+	}
+
+EXPORT_C TInt CAgentSMBase::Notification(TAgentToNifEventType aEvent, TAny* aInfo)
+	{
+	return iControllerObserver->Notification(aEvent, aInfo);
+	}
+
+EXPORT_C void CAgentSMBase::GetLastError(TInt& aError)
+/**
+Gets the latest error code returned during a connection operation.
+
+@param aError
+@return KErrNone, or another error code that might have been 
+returned by a connection operation.
+*/
+	{
+	aError=KErrNone;
+	}
+
+EXPORT_C TInt CAgentSMBase::IncomingConnectionReceived()
+	{
+	return iControllerObserver->IncomingConnectionReceived();
+	}
+
+EXPORT_C void CAgentSMBase::RunL()
+	{
+	if(iStatus==KErrNone)
+		{
+		ProcessState();
+		}
+	else if(iSMPhase==EConnecting)
+		{
+		ConnectionComplete(iStatus.Int());
+		}
+	else if(iSMPhase==EDisconnecting)
+		{
+		DisconnectComplete();
+		}
+	}
+
+EXPORT_C void CAgentSMBase::DoCancel()
+	{
+	iState->Cancel();
+	if(iStatus==KRequestPending)
+		{
+		CompleteState(KErrCancel);
+		}
+	}
+
+EXPORT_C CDialogProcessor* CAgentSMBase::DlgPrc()
+	{
+	return iDlgPrc;
+	}
+
+EXPORT_C CCommsDbAccess* CAgentSMBase::Db()
+	{
+	return iDb;
+	}
+
+EXPORT_C void CAgentSMBase::CompleteState(TInt aError)
+	{
+	if (!IsActive())
+		SetActive();
+	TRequestStatus* status=&iStatus;
+	User::RequestComplete(status,aError);
+	}
+
+