telephonyserverplugins/multimodetsy/Multimode/gprs/atgprscontextdelete.cpp
changeset 0 3553901f7fa8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyserverplugins/multimodetsy/Multimode/gprs/atgprscontextdelete.cpp	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,187 @@
+// 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 <et_phone.h>			 // for CTelObject class
+#include "Gprscontext.h"		// for CGprsContext
+#include "atgprscontextdelete.h" // header file for this source file
+#include "mSLOGGER.H"			 // for LOGTEXT macros
+#include "ATIO.H"				 // for CATIO
+#include "Matstd.h"			     // for AT command strings, and other stuff
+#include "NOTIFY.H"				 // for CNotifications
+
+const TUint KWriteTimeout=10000;		// Is in milli seconds
+const TInt KReadTimeout=10;		// Is in seconds
+
+//
+// Macro for logging text to the log file using the local class name and a simpler 
+// call style.
+#ifdef __LOGDEB__
+_LIT8(KLogEntry,"CATGprsContextDelete::%S\t%S");
+#define LOCAL_LOGTEXT(function,text) {_LIT8(F,function);_LIT8(T,text);LOGTEXT3(KLogEntry,&F,&T);}
+#else
+#define LOCAL_LOGTEXT(function,text)
+#endif
+
+
+/**
+ * @file
+ * AT state machine which will send AT+CGDCONT=x to delete a context from the phone.
+ */
+
+CATGprsContextDelete* CATGprsContextDelete::NewL(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals )
+/**
+ *  Factory function.
+ */
+	{
+	CATGprsContextDelete* p =new(ELeave) CATGprsContextDelete(aIo, aTelObject, aInit, aPhoneGlobals);
+	CleanupStack::PushL(p);
+	p->ConstructL();			// We call this to allow our base class to construct
+	CleanupStack::Pop();
+	return p;
+	}
+
+
+CATGprsContextDelete::CATGprsContextDelete(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals)
+											: CATCommands(aIo, aTelObject, aInit, aPhoneGlobals) 
+/**
+ * C++ constructor.
+ */
+	{
+	}
+
+CATGprsContextDelete::~CATGprsContextDelete()
+/**
+ * C++ Destructor.
+ */
+	{
+	iIo->RemoveExpectStrings(this);
+	}
+
+void CATGprsContextDelete::Stop(TTsyReqHandle /*aTsyReqHandle*/)
+/**
+ * This function called by CATCommands to cancel an AT command state machine.
+ * This AT command state machine can not be cancelled.
+ */
+	{
+	LOCAL_LOGTEXT("Stop","Enter function");
+	LOCAL_LOGTEXT("Stop","This functionality is not supported");
+	}
+
+
+void CATGprsContextDelete::Start(TTsyReqHandle aTsyReqHandle, TAny* aDummy)
+/**
+ * Starting of the state machine.
+ *
+ * This will be called by CATCommands::ExecuteCommand to start the sending
+ * of the AT commands.
+ */
+	{
+	LOCAL_LOGTEXT("Start","Enter function");
+	const TInt index=*(static_cast<TInt*>(aDummy));
+	LOGTEXT2(_L8("index=%d"),index);
+
+	iReqHandle=aTsyReqHandle;
+
+	//
+	// Send the AT+CGDCONT=x command to the phone
+	iTxBuffer.Format(KDeleteContextCommand,index);
+	iIo->Write(this,iTxBuffer);
+	iIo->SetTimeOut(this,KWriteTimeout);
+	iState=EWaitForWrite;
+	}
+
+
+void CATGprsContextDelete::EventSignal(TEventSource aSource)
+/**
+ * Main part of the state machine
+ */
+	{
+	LOCAL_LOGTEXT("EventSignal","Enter function");
+
+	if (aSource==ETimeOutCompletion)
+		{
+		LOCAL_LOGTEXT("EventSignal","Timeout error");
+		Complete(KErrTimedOut,aSource); 
+		return;
+		}
+
+	switch(iState)
+		{
+	case EWaitForWrite:
+		__ASSERT_DEBUG(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
+		iIo->WriteAndTimerCancel(this);
+		StandardWriteCompletionHandler(aSource,KReadTimeout);
+		iState=EWaitForRead;
+		break;
+
+	case EWaitForRead:
+		__ASSERT_DEBUG(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
+		iIo->WriteAndTimerCancel(this);
+		// There is no need to validate the response from the modem
+		// as we are going to ignore it anyway.
+		Complete(KErrNone,aSource);
+		break;
+
+		case EIdle:	
+			break;
+		}
+	}
+
+
+void CATGprsContextDelete::CompleteWithIOError(TEventSource aSource,TInt aStatus)
+/**
+ * This Function completes the command from the client with an error.
+ */
+	{
+	Complete(aStatus,aSource);
+	}
+
+
+void CATGprsContextDelete::Complete(TInt aError,TEventSource aSource)
+	{
+	LOCAL_LOGTEXT("Complete","Enter function");
+
+	if(aError==KErrNone)
+		{
+		//
+		// Mark the context as deleted in the TSY
+		CGprsContext* contextPtr=static_cast<CGprsContext*>(iTelObject);
+		RPacketService::TContextInfo contextInfo;
+		contextPtr->ContextInfo(&contextInfo);
+		contextInfo.iStatus = RPacketContext::EStatusDeleted;
+		contextPtr->SetContextInfo(&contextInfo);
+		
+		//
+		// Update the notifications 
+		iPhoneGlobals->iNotificationStore->CheckNotification(iTelObject, EPacketContextStatusChanged);
+		}
+
+	//
+	// Cleanup the CATIO stuff
+	RemoveStdExpectStrings();		// We have to call this to ensure iOKExpectString & iErrorExpectString are NULLed
+	iIo->WriteAndTimerCancel(this);
+	iIo->RemoveExpectStrings(this);
+	
+	//
+	// Allow base class chance to start of AT commands and complete our client request
+	CATCommands::Complete(aError,aSource);
+	iTelObject->ReqCompleted(iReqHandle, aError);
+	
+	iState = EIdle;
+	}
+ 
+
+
+