--- a/telephonyprotocols/rawipnif/version1/src/BcaIoController.cpp Thu Aug 19 11:03:36 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,474 +0,0 @@
-// 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:
-// Implements the interface to BCA.
-//
-//
-
-/**
- @file BcaIoController.cpp
-*/
-
-#include <e32uid.h>
-#include <nifmbuf.h>
-
-#include "Constants.h"
-#include "BcaIoController.h"
-#include "Sender.h"
-#include "Receiver.h"
-
-CBcaIoController::CBcaIoController(MControllerObserver& aObserver,
- CBttLogger* aTheLogger)
-/**
- * Constructor.
- *
- * @param aObserver Reference to the observer of this state machine
- * @param aTheLogger The logging object
- */
- :
- CBcaController(aObserver, aTheLogger),
- iMBca(NULL),
- iSender(NULL),
- iReceiver(NULL),
- iLoader(NULL)
- {
- }
-
-CBcaIoController* CBcaIoController::NewL(MControllerObserver& aObserver, CBttLogger* aTheLogger)
-/**
- * Two-phase constructor. Creates a new CBcaIoController object, performs
- * second-phase construction, then returns it.
- *
- * @param aObserver The observer, to which events will be reported
- * @param aTheLogger The logging object
- * @return A newly constructed CBcaIoController object
- */
- {
- CBcaIoController* self = new (ELeave) CBcaIoController(aObserver, aTheLogger);
- CleanupStack::PushL(self);
- self->ConstructL();
- CleanupStack::Pop(self);
- return self;
- }
-
-void CBcaIoController::ConstructL()
-/**
- * Second-phase constructor. Creates all the state objects it owns.
- */
- {
- _LOG_L1C1(_L8("CBcaIoController::ConstructL"));
- BaseConstructL();
- iSender = new (ELeave) CSender(*this, iTheLogger);
- iReceiver = new (ELeave) CReceiver(*this, iTheLogger);
- iLoader = new (ELeave) CBcaControl(*this, iTheLogger);
- }
-
-
-CBcaIoController::~CBcaIoController()
-/**
- * Destructor.
- */
- {
- delete iReceiver;
- delete iSender;
- delete iLoader;
-
- }
-
-/** sets the BCA Stack name
-
-* @param aBcaStack Text composed of bca stack and next bca names
-*/
-void CBcaIoController::SetBcaStackAndName(TDesC& aBcaStack)
- {
- const TChar stackDelimiter(',');
-
- TInt length = aBcaStack.Length();
- TInt delimiterLoc = aBcaStack.Locate(stackDelimiter);
-
- if(delimiterLoc > 0)
- {
- iBcaName.Copy(aBcaStack.Left(delimiterLoc));
-
- if(delimiterLoc < length)
- {
- iBcaStack.Copy(aBcaStack.Right(length-delimiterLoc-1));
- }
- }
- else
- {
- iBcaName.Copy(aBcaStack);
- }
- }
-
-
-void CBcaIoController::StartL()
-/**
- * Used to kick off the initialisation for this module
- */
- {
- _LOG_L1C1(_L8("CBcaIoController::StartL is called."));
-
- InitialiseBcaL();
- }
-
-void CBcaIoController::Stop(TInt aError)
-/**
- * Used to shutdown this module. This will cancel all the outstanding
- * requests on the active objects owned by this module and shutdown.
- * @param aError the passed in error code as to why Stop has been called
- */
- {
- _LOG_L1C1(_L8("CBcaIoController::Stop is called."));
-
- //Stop all the active objects
- iReceiver->Cancel();
-
- if(GetSendState() == ESending)
- {
- iSender->Cancel();
- }
-
- // Update module state
- SendState(EShuttingDown);
-
- //It does nothing here.
- iLoader->Cancel();
- MBca* bca = iLoader->Bca();
- if(bca)
- {
- if(aError == KErrConnectionTerminated )
- {
- _LOG_L1C1(_L8("This is an emergency shutdown, it kills the NIF immediately."));
- // It is a emergency shutdown, it kills the NIF immediately.
- bca->Close();
- GetObserver().ShutDown(MControllerObserver::EBcaController, aError);
- }
-
- else
- {
- _LOG_L1C1(_L8("This is a graceful termination which takes a while."));
- //It is a graceful termination which takes a while.
- iLoader->ShutdownBca(aError);
- }
- }
- else //nothing to shutdown, just notify linklayer down.
- {
- _LOG_L1C1(_L8("Bca is not initialized, bring the linklayer down"));
- GetObserver().ShutDown(MControllerObserver::EBcaController, aError);
- }
-
- }
-
-void CBcaIoController::InitialiseBcaL()
-/**
- * Load & Initialise Bca.
- */
- {
- _LOG_L1C1(_L8("<<CBcaIoController::InitialiseBcaL"));
- iLoader->StartLoadL();
- }
-
-void CBcaIoController::BcaProcess(TDesC8& aPdu)
-/**
- * This method will pass on the received data to CRawIPNifMain.
- *
- * @param aPdu a data packet
- */
- {
- _LOG_L1C1(_L8(">>CBcaIoController::Process"));
-
- Process(aPdu);
-
- _LOG_L1C1(_L8("<<CBcaIoController::Process"));
- }
-
-void CBcaIoController::BcaSend(RMBufChain& aPdu)
-/**
- * This method is called by CRawIPNifMain in order to send a packet down
- * to the BCA. The CSender active object will be activated by calling the send
- * method.
- *
- * @param aPdu a data packet
- */
- {
- _LOG_L1C1(_L8("CBcaIoController::BcaSend"));
-
- iSender->Send(aPdu);
- }
-
-TInt CBcaIoController::BcaSendBufferLength()
- {
- return iSender->SendBufferLength();
- }
-
-void CBcaIoController::BcaSendComplete()
-/**
- * This method is called after a packet was sent to the board.
- * If allowed by flow contol flags the NIF can signal the TCP/IP
- * protocol indicating that is available to send more packets.
- */
- {
- _LOG_L1C1(_L8("CBcaController::SendComplete"));
-
- SendComplete();
- }
-
-
-CBcaControl::CBcaControl(CBcaIoController& aObserver, CBttLogger* aTheLogger)
-/**
- * Constructor. Performs standard active object initialisation.
- *
- * @param aObserver Reference to the observer of this state machine
- * @param aTheLogger The logging object
- */
- : CActive(EPriorityNormal),
- iObserver(aObserver),
- iTheLogger(aTheLogger),
- iMBca(NULL),
- iState(EIdling),
- iError(KErrNone)
-
- {
- CActiveScheduler::Add(this);
- }
-
-CBcaControl::~CBcaControl()
-/**
- * Destructor.
- */
- {
- Cancel();
- if(iMBca)
- {
- iMBca->Release();
- }
-
- // Library will be Closed when iBcaDll is destroyed.
- }
-
-void CBcaControl::RunL()
-/**
- * Called after request is completed.
- *
- */
- {
- _LOG_L1C1(_L8("CBcaControl::RunL() called"));
- switch (iState)
- {
- //in this state, Ioctl is called to set IAP ID, check the result of
- // Ioctl, then either set the BCA stack with another Ioctl call,
- // open the BCA (if there's no BCA stack to set), or stop the NIF.
- case EIdling:
- {
- if(iStatus == KErrNone || iStatus == KErrNotSupported)
- {
- if(iStatus == KErrNotSupported)
- {
- _LOG_L1C1(_L8("This BCA does not support IAPID set"));
- }
- else
- {
- _LOG_L2C1(_L8("This BCA supports IAPID set"));
- }
-
- TPtrC bcaStack = iObserver.BcaStack();
- if(bcaStack.Length())
- {
- TBuf8<KMaxName> remainingBcaStack8;
- remainingBcaStack8.Copy(bcaStack);
- iMBca->Ioctl(iStatus, KBcaOptLevelGeneric,KBCASetBcaStack,remainingBcaStack8);
- }
- else
- {
- TRequestStatus* statusPtr=&iStatus;
- User::RequestComplete(statusPtr,KErrNone);
- }
- iState = EIAPSet;
- SetActive();
- }
- else
- {
- _LOG_L1C2(_L8("ERROR in BCA IAPID set = %d"), iStatus.Int());
- iObserver.Stop(iStatus.Int());
- }
-
- break;
- }
-
- //in this case, we receive the result of Ioctl call to set Bca Stack.
- // Check the result of Ioctl, then Open the Bca or stop the NIF
- case EIAPSet:
- {
- if(iStatus == KErrNotSupported || iStatus == KErrNone)
- {
- if(iStatus == KErrNotSupported)
- {
- _LOG_L1C1(_L8("This BCA does not support BCA stacking"));
- }
- else
- {
- _LOG_L2C1(_L8("This BCA supports BCA stacking"));
- }
- iMBca->Open(iStatus, iObserver.Port());
- iState = EBcaStackSet;
- SetActive();
- }
- else
- {
- _LOG_L2C2(_L8("ERROR in BCA stack set = %d"), iStatus.Int());
- iObserver.Stop(iStatus.Int());
- }
- break;
- }
-
- //in this state, BCA Open is called. Checks the result of Open.
- // If it is successful,then start the NIF. Otherwise stops the NIF.
- case EBcaStackSet:
- {
- if(iStatus != KErrNone && iStatus != KErrAlreadyExists)
- {
- _LOG_L2C2(_L8("ERROR in BCA Open = %d"), iStatus.Int());
- iObserver.Stop(iStatus.Int());
- }
- else
- {
- iObserver.Receiver().StartListening();
- _LOG_L1C1(_L8("CBcaIoController Is Initialised"));
- TRAPD(err, iObserver.GetObserver().InitialiseL(MRawIPNifObserverBase::EBcaController,KErrNone));
- if(err != KErrNone)
- {
- _LOG_L2C2(_L8("ERROR in BCA Open Initialise observer = %d"), err);
- iObserver.Stop(err);
- }
- }
- break;
- }
-
- //in this state, BCA is Shutdown, shutdown the NIF.
- case EClosing:
- {
- // linklayer shutdown
- iObserver.GetObserver().ShutDown(MControllerObserver::EBcaController, iError);
- break;
- }
- // Wrong state.
- default:
- {
- _LOG_L1C1(_L8("ERROR CBcaControl::RunL(): Unknown state"));
- _BTT_PANIC(KNifName, KBcaUnkownState);
- break;
- }
- }
-
- }
-
-void CBcaControl::DoCancel()
-/**
- * cancel active request.
- */
- {
- _LOG_L1C1(_L8("CBcaControl::DoCancel called."));
- _LOG_L2C2(_L8("iState value is %d"), iState);
- switch (iState)
- {
- case EIdling:
- case EIAPSet:
- if(iMBca)
- {
- iMBca->CancelIoctl();
- }
- iState = EIdling;
- break;
- case EBcaStackSet:
- case EClosing:
- if(iMBca)
- {
- iMBca->Close();
- }
- iState = EIdling;
- break;
- default:
- _LOG_L2C1(_L8("ERROR CBcaControl::DoCancel(): Unknown state"));
- _BTT_PANIC(KNifName, KBcaUnkownState);
- break;
- }
- }
-
-void CBcaControl::StartLoadL()
-/**
- * This method loads the C32BCA library and uses Ioctl to set the Bca iIapId.
- */
- {
- _LOG_L1C1(_L8("CBcaControl::StartLoad"));
-
- // Loads Bca Dll and creates a Bca instance;
- User::LeaveIfError(iBcaDll.iObj.Load(iObserver.BcaName()));
-
- TNewBcaFactoryL newBcaFactoryProcL = (TNewBcaFactoryL)iBcaDll.iObj.Lookup(1);
- if (NULL == newBcaFactoryProcL)
- {
- _LOG_L1C2(_L8("Library entry point found error %d"), KErrBadLibraryEntryPoint);
- User::Leave(KErrBadLibraryEntryPoint);
- }
-
- MBcaFactory* bcaFactory = (*newBcaFactoryProcL)();
-
- if(!bcaFactory)
- {
- _LOG_L1C2(_L8("BcaFactory creation error %d"), KErrCompletion);
- User::Leave(KErrCompletion);
- }
- CleanupReleasePushL(*bcaFactory);
-
- iMBca = bcaFactory->NewBcaL();
- CleanupStack::PopAndDestroy(bcaFactory);
-
- iObserver.SetBca(iMBca); //Pass BCA pointer.
-
- TPckg<TUint32> aOpt(iObserver.IapId());
- iMBca->Ioctl(iStatus,KBcaOptLevelGeneric,KBCASetIapId,aOpt);
-
- iState = EIdling;
- SetActive();
- }
-
-
-void CBcaControl::ShutdownBca(TInt aError)
-/**
- * Bca Shutdown.
-
- * @param aError the error code to shutdown the NIF.
- */
- {
- __ASSERT_DEBUG(iMBca,Panic(KBcaNotExist));
- Cancel();
- iError = aError;
- iState = EClosing;
- if(iMBca)
- {
- iMBca->Shutdown(iStatus);
- SetActive();
- }
- }
-
-/** Panic function for RawIpNif
-
-* @param aPanic panic code */
-void Panic(TRawIPNifPanic aPanic)
- {
- _LOG_L2C2(_L8("Panic code for RawIpNif = %d"), aPanic);
- User::Panic(KNifName,aPanic);
-
- }
-