--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyserverplugins/multimodetsy/Multimode/gprs/ATGprsDetach.CPP	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,207 @@
+// Copyright (c) 2001-2009 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:
+//
+
+#include "Gprscontext.h"
+#include "mSLOGGER.H"
+#include "ATGprsDetach.H"
+#include "ATIO.H"
+#include "TSYCONFG.H"
+#include "NOTIFY.H"
+#include "Matstd.h"
+
+_LIT8(KDetachCommand, "AT+CGATT=0\r");
+
+/**
+ * @file
+ * This file implements the CATGprsDetachclass which is one of the state machine used by the
+ * GPRS AT TSY library. 
+ * This state machine uses the "AT+CGATT" command.
+ */
+
+CATGprsDetach* CATGprsDetach::NewL(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals )
+/**
+ *  Standard 2 phase constructor.
+ *
+ * @param aIo pointer to communication object.
+ * @param aTelObject pointer to parent.
+ * @param aPhoneGlobals pointer to phone global wide states.
+ */
+	{
+	CATGprsDetach* p =new(ELeave) CATGprsDetach(aIo, aTelObject, aInit, aPhoneGlobals);
+	CleanupStack::PushL(p);
+	p->ConstructL();
+	CleanupStack::Pop();
+	return p;
+	}
+
+void CATGprsDetach::ConstructL()
+/**
+ * Construct all objects that can leave.
+ */
+{
+	CATCommands::ConstructL();
+}
+
+
+
+CATGprsDetach::CATGprsDetach(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals)
+											: CATCommands(aIo, aTelObject, aInit, aPhoneGlobals)
+/**
+ * Constructor.
+ *
+ * @param aIo pointer to communication object.
+ * @param aTelObject pointer to parent.
+ * @param aInit pointer to AT phone init object.
+ * @param aPhoneGlobals pointer to phone global wide states.
+ */
+	{}
+
+
+CATGprsDetach::~CATGprsDetach()
+/**
+ * Destructor.
+ */
+	{
+	iIo->RemoveExpectStrings(this);
+	}
+
+
+void CATGprsDetach::Start(TTsyReqHandle aTsyReqHandle, TAny* )
+/**
+ * This is the standard entry point for sending detach command.
+ * @param aTsyReqHandle handle to the client.
+ */
+	{
+	LOGTEXT(_L8("CATGprsDetach:\tStarting at AT+CGATT=0 Command"));
+	iReqHandle = aTsyReqHandle;
+	Write(KDetachCommand, KGprsCommandTimeOut);	
+	iState=ESendDetachCommand;
+	}
+
+
+void CATGprsDetach::Stop(TTsyReqHandle aTsyReqHandle)
+/**
+ * This function attempts to cancel the AT state machine
+ */
+	{
+	LOGTEXT(_L8("CATGprsDetach::Stop called"));
+	if(iState!=EATNotInProgress && aTsyReqHandle==iReqHandle)
+		{
+		LOGTEXT(_L8("CATGprsDetach::Stop Completing client request with KErrCancel"));
+		Complete(KErrCancel,ETimeOutCompletion);
+		}
+	}
+
+
+void CATGprsDetach::CompleteWithIOError(TEventSource aSource,TInt aStatus)
+/**
+ * This Function completes the command from the client whith an error.
+ *
+ * @param aSource source of event from communication class.
+ * @param aStatus status of event.
+ */
+	{
+	LOGTEXT2(_L8("CATGprsDetach::CompleteWithIOError() called with iState = %d"),iState);
+	Complete(aStatus, aSource);
+	}
+
+
+void CATGprsDetach::EventSignal(TEventSource aSource)
+/**
+ * This function contains the state machine for the command.  The states flow consecutively and are
+ * described below.
+ * 
+ * @par EDetachReadComplete
+ * wait for the response from the phone.
+ *
+ * @par ESendDetachCommand
+ * Parse the response from the phone.
+ */
+	{
+	if ((aSource==ETimeOutCompletion))
+		{
+		LOGTEXT(_L8("CATGprsDetach::EventSignal, Timeout"));
+		Complete(KErrTimedOut,aSource);
+		return;
+		}
+
+	switch(iState)
+		{
+		case ESendDetachCommand:
+			{
+			LOGTEXT(_L8("CATGprsDetach::EventSignal, ESendConnectCommand"));
+			__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
+			StandardWriteCompletionHandler(aSource, KGprsLongCommandTimeOut);				
+			iState = EDetachReadComplete;
+			}
+			break;
+		case EDetachReadComplete:
+			{
+			LOGTEXT(_L8("CATGprsDetach::EventSignal, EConnectReadComplete"));
+			__ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionReadExpected));
+			TInt ret = ValidateExpectString();
+			Complete(ret, aSource);
+			}
+			break;
+		case EATNotInProgress:
+			break;
+		default:
+			Panic(EIllegalEvent);
+		}		
+	}
+
+
+void CATGprsDetach::Complete(TInt aError,TEventSource aSource)
+/**
+ * This Function completes the command from the client.
+ * It also changes the status of all contexts.
+ * @param aError an error code to relay to client.
+ */
+	{
+	LOGTEXT2(_L8("CATGprsDetach::Complete() with aError %d"),aError);
+	RemoveStdExpectStrings();
+	iIo->WriteAndTimerCancel(this);
+	iIo->RemoveExpectStrings(this);
+	if (aError==KErrNone)
+		{
+		TCommConfig aConfigPckg;
+		aError = iPhoneGlobals->iConfiguration->PortConfig(aConfigPckg,EConfigTypeInit);
+		if (aError==KErrNone)
+			aError = iIo->ConfigurePort(aConfigPckg);
+		
+		iPhoneGlobals->iPhoneStatus.iMode = RPhone::EModeOnlineCommand;
+		RPacketService::TContextInfo contextInfo;
+		((CGprs*)iTelObject)->SetStatus(RPacketService::EStatusUnattached);
+		TInt i = 0;	
+		// since the connection to the network is broken change the state of the contexts also.
+		CGprsContext* context; 
+		while(context = ((CGprs*)iTelObject)->Context(i), context != NULL)
+			{
+			context->ContextInfo(&contextInfo);
+			contextInfo.iStatus = RPacketContext::EStatusInactive;
+			context->SetContextInfo(&contextInfo);
+			iPhoneGlobals->iNotificationStore->CheckNotification(context, EPacketContextStatusChanged);
+			i++;
+			}
+		iPhoneGlobals->iNotificationStore->CheckNotification(iTelObject, EPacketStatusChanged);
+		}
+
+	// Allow our base class to do its thing and then complete the client request
+	CATCommands::Complete(aError,aSource);		
+	iTelObject->ReqCompleted(iReqHandle, aError);
+
+	iState=EATNotInProgress;
+	}
+