--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyprotocols/rawipnif/rawipnif2/src/BcaController.cpp Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,281 @@
+// 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 & flow control.
+//
+//
+
+/**
+ @file
+*/
+
+#include <e32uid.h>
+#include <nifmbuf.h>
+
+#include "Constants.h"
+#include "BcaController.h"
+
+CBcaController::CBcaController(CRawIP2Flow& aRawIPFlow,CBttLogger* aTheLogger)
+/**
+ * Constructor. Performs standard active object initialisation.
+ *
+ * @param aRawIPFlow Reference to the RawIp2Flow
+ * @param aTheLogger The logging object
+ */
+ : CActive(EPriorityStandard),
+ iTheLogger(aTheLogger),
+ iMBca(NULL),
+ iState(EIdling),
+ iRawIPFlow(aRawIPFlow),
+ iUpperControl(NULL),
+ iUpperDataReceiver(NULL),
+ iBCAProvisionConfig(NULL),
+ iBcaParams(NULL)
+ {
+ CActiveScheduler::Add(this);
+ }
+
+CBcaController* CBcaController::NewL(CRawIP2Flow& aRawIPFlow,CBttLogger* aTheLogger)
+/**
+ * Two-phase constructor. Creates a new CBcaController object, performs
+ * second-phase construction, then returns it.
+ *
+ * @param aRawIPFlow Reference to the RawIp2Flow
+ * @param aTheLogger The logging object
+ * @return A newly constructed CBcaController object
+ */
+ {
+ CBcaController* self = new (ELeave) CBcaController(aRawIPFlow,aTheLogger);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+void CBcaController::ConstructL()
+/**
+ * Second-phase constructor. Creates all the state objects it owns.
+ */
+ {
+ _LOG_L1C1(_L8("CBcaController::ConstructL"));
+
+ }
+
+
+CBcaController::~CBcaController()
+/**
+ * Destructor.
+ */
+ {
+ Cancel();
+ if(iMBca)
+ {
+ iMBca->Release();
+ }
+ delete iBcaParams;
+ // Library will be Closed when iBcaDll is destroyed.
+ }
+
+void CBcaController::RunL()
+/**
+ * AO async callback method. 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 = iBCAProvisionConfig->GetBCAStack();
+ if(bcaStack.Length())
+ {
+ TBuf8<KMaxName> remainingBcaStack8;
+ remainingBcaStack8.Copy(bcaStack);
+ iMBca->Control(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());
+ 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 and start 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"));
+ }
+ iBcaParams = new(ELeave) MBca2::TBcaParams(const_cast<CBCAProvision*>(iBCAProvisionConfig)->GetCommsPond(), iBCAProvisionConfig->GetPortName());
+
+ TInt aErr = iMBca->Open(*iUpperControl,*iUpperDataReceiver,*iBcaParams);
+ if ( aErr != KErrNone)
+ {
+ _LOG_L2C2(_L8("ERROR in BCA Open = %d"), aErr);
+ Stop(iStatus.Int());
+ iState = EIdling;
+ }
+ else
+ {
+ iMBca->Start();
+ }
+ }
+ else
+ {
+ _LOG_L2C2(_L8("ERROR in BCA stack set = %d"), iStatus.Int());
+ Stop(iStatus.Int());
+ }
+ break;
+ }
+ // Wrong state.
+ default:
+ {
+ _LOG_L1C1(_L8("ERROR CBcaControl::RunL(): Unknown state"));
+ _BTT_PANIC(KNifName, KBcaUnkownState);
+ break;
+ }
+ }
+
+ }
+
+void CBcaController::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->CancelControl();
+ }
+ iState = EIdling;
+ break;
+ default:
+ _LOG_L2C1(_L8("ERROR CBcaControl::DoCancel(): Unknown state"));
+ _BTT_PANIC(KNifName, KBcaUnkownState);
+ break;
+ }
+ }
+
+void CBcaController::StartLoadL(const CBCAProvision* aBCAProvisionConfig,MUpperControl* aControl,
+ MUpperDataReceiver* aData)
+/**
+ * This method loads the C32BCA library and uses Ioctl to set the Bca iIapId.
+ *
+ * @param aBCAProvisionConfig pointer to CBCAProvision for extracting the pond
+ * @param aControl pointer to BasebandChannelAdaptation2::MUpperControl passed to the MBca2 to pass control information up the stack
+ * * @param aData pointer to BasebandChannelAdaptation2::MUpperDataReceiver passed to the MBca2 to push packets up the stack
+ * @return none
+ */
+ {
+ _LOG_L1C1(_L8("CBcaControl::StartLoad"));
+
+ iBCAProvisionConfig = aBCAProvisionConfig;
+ iUpperControl = aControl;
+ iUpperDataReceiver = aData;
+ // Loads Bca Dll and creates a Bca instance;
+ User::LeaveIfError(iBcaDll.iObj.Load(iBCAProvisionConfig->GetBCAName()));
+
+ TNewBca2FactoryL newBca2FactoryProcL = (TNewBca2FactoryL)iBcaDll.iObj.Lookup(1);
+ if (NULL == newBca2FactoryProcL)
+ {
+ _LOG_L1C2(_L8("Library entry point found error %d"), KErrBadLibraryEntryPoint);
+ User::Leave(KErrBadLibraryEntryPoint);
+ }
+
+ MBca2Factory* bcaFactory = (*newBca2FactoryProcL)();
+
+ if(!bcaFactory)
+ {
+ _LOG_L1C2(_L8("BcaFactory creation error %d"), KErrCompletion);
+ User::Leave(KErrCompletion);
+ }
+ CleanupReleasePushL(*bcaFactory);
+
+ iMBca = bcaFactory->NewBcaL();
+ CleanupStack::PopAndDestroy(bcaFactory);
+
+ TPckg<TUint32> aOpt(iBCAProvisionConfig->GetIAPid());
+ iMBca->Control(iStatus,KBcaOptLevelGeneric,KBCASetIapId,aOpt);
+
+ iState = EIdling;
+ SetActive();
+ }
+
+void CBcaController::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.
+ */
+ {
+ _LOG_L1C1(_L8("CBcaController::Stop is called."));
+
+ if(iMBca)
+ {
+ iMBca->Close();
+ }
+ else
+ {
+ _LOG_L1C1(_L8("CBcaController::Stop Bca is not initialized. Bring the link layer down"));
+ iRawIPFlow.LinkLayerDown(aError);
+ }
+ }
+
+
+/** Panic function for RawIpNif
+
+* @param aPanic panic code */
+void Panic(TRawIP2NifPanic aPanic)
+ {
+ _LOG_L2C2(_L8("Panic code for RawIpNif = %d"), aPanic);
+ User::Panic(KNifName,aPanic);
+
+ }
+