// 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 "ATGprsContextActivate.H"

#include "mSLOGGER.H"

#include <pcktcs.h>

#include "ATGprsConfig.h"

#include "ATIO.H"

#include "TSYCONFG.H"

#include "NOTIFY.H"

#include "ATSTD.H"

#include "ATGprsContextDeactivate.H"

#include "atgprscontextdelete.h"		// for CATGprsContextDelete class

#include "gprsqos.h"

#include <commsdattypesv1_1.h>

/**

 * @file

 * This file implements the CGprsContext class. Used to implement the RPacketContext API.

 */

CGprs* CGprsContext::Parent()

	{return iParent;};

CGprsContext* CGprsContext::NewL(CGprs* aParent,CATIO* aIo, CATInit* aInit, CPhoneGlobals* aPhoneGlobals, const TName& aName, TInt aCid, RPacketContext::TContextConfigGPRS* aContextConfigGPRS)

/**

 * Standard 2 phase constructor.

 *

 * @param aTelObject pointer to parent.

 * @param aIo pointer to communication object.

 * @param aInit pointer to AT phone init object.

 * @param aPhoneGlobals pointer to phone global wide states.

 * @param aName new name for the context which this object will represent

 * @param aCid context ID of the context which this object will represent

 * @param aContextConfigGPRS configuration of the context which this object will represent

 */ 

	{

	CGprsContext* gprs=new(ELeave) CGprsContext(aParent, aIo, aInit, aPhoneGlobals, aCid);

	CleanupStack::PushL(gprs);

	gprs->ConstructL(aName, aContextConfigGPRS);

	CleanupStack::Pop();

	return gprs;

	}

CGprsContext::CGprsContext(CGprs* aParent, CATIO* aIo, CATInit*	aInit, CPhoneGlobals* aPhoneGlobals, TInt aCid) 

	: CSubSessionExtBase(), iCid(aCid), iParent(aParent), iIo(aIo), iInit(aInit), iPhoneGlobals(aPhoneGlobals)

/**

 * Constructor

 *

 * @param aParent pointer to parent.

 * @param aIo pointer to communication object.

 * @param aInit pointer to AT phone init object.

 * @param aPhoneGlobals pointer to phone global wide states.

 */

	{

	}

void CGprsContext::ConstructL(const TName& aName, RPacketContext::TContextConfigGPRS* aContextConfigGPRS)

/**

 * This function creates all objects on the heap that can leave.

 * @param aName Name of context.

 * @param aContextConfigV1 Default contest config.

 */

	{

	LOGTEXT(_L8("CGprsContext: Entered constructor"));

	iConfigGPRS = *aContextConfigGPRS;

	iInfo.iName.Copy(aName);

	iATGprsContextActivate			= CATGprsContextActivate::NewL(iCid, iIo, this, iInit, iPhoneGlobals); 

	iATGPRSSetConfig				= CATGPRSSetConfig::NewL(iCid, iIo, this, iInit, iPhoneGlobals);

	iATGPRSGetConfig				= CATGPRSGetConfig::NewL(iCid, iIo, this, iInit, iPhoneGlobals);

	iATGprsContextDeactivate		= CATGprsContextDeactivate::NewL(iIo, this, iInit, iPhoneGlobals); 

	iATGprsContextDelete		    = CATGprsContextDelete::NewL(iIo, this, iInit, iPhoneGlobals); 

	}

CGprsContext::~CGprsContext()

/**

 * Destructor

 */

	{

	LOGTEXT(_L8("CGprsContext: Entered destructor"));

	iParent->RemoveContext(this);

	iPhoneGlobals->iNotificationStore->RemoveClientFromLastEvents(this);

	delete iATGprsContextDelete;

	delete iATGprsContextActivate;

	delete iATGPRSSetConfig;

	delete iATGPRSGetConfig;

	delete iATGprsContextDeactivate;

	}

void CGprsContext::Init()

/**

 * This is not used. Init is done from the CPhone class.

 */

	{

	LOGTEXT(_L8("CGprsContext: init()"));

	}

CTelObject* CGprsContext::OpenNewObjectByNameL(const TDesC& /*aName*/)

/**

 * This function is not used.

 */

	{

	LOGTEXT(_L8("CGprsContext::OpenNewObjectByNameL called"));

	User::Leave(KErrNotSupported);

	return NULL;

	}

CTelObject* CGprsContext::OpenNewObjectL(TDes& aNewName)

/**

 * This function returns a pointer to a new QoS profile objecft (CGprsQoS)

 */

	{

	GenerateNewProfileName(aNewName); // create a unique name for this qos profile

#if defined __LOGDEB__ 

    TBuf8<40> tmpLog;

    tmpLog.Copy(aNewName);

    LOGTEXT2(_L8("CGprs::OpenNewObjectL(), %S"), &tmpLog);

#endif

	CGprsQoS* qos = CGprsQoS::NewL(this, iCid, iIo, iInit, iPhoneGlobals, aNewName);

	return qos;

	} 

CTelObject::TReqMode CGprsContext::ReqModeL(const TInt aIpc)

/**

 * This function is called from the framework and checks the flow control for a IPC call.

 * @param aIpc IPC call from client.

 */

	{

	CTelObject::TReqMode ret=0;

	switch (aIpc)

		{

		case EPacketContextActivate:

		case EPacketContextDeactivate:

		case EPacketContextSetConfig:

		case EPacketContextLoanCommPort:

			ret = KReqModeFlowControlObeyed;

			break;

		case EPacketContextDelete:

		case EPacketContextGetStatus:

		case EPacketContextGetLastErrorCause:

		case EPacketContextGetConfig:

		case EPacketContextGetDataVolumeTransferred:

		case EPacketContextRecoverCommPort:

			break;

		case EPacketContextNotifyConfigChanged:

		case EPacketContextNotifyStatusChange:

			ret=KReqModeMultipleCompletionEnabled | KReqModeRePostImmediately;

			break;

		default:

			User::Leave(KErrNotSupported);

			break;

		}

	// Check if the data port is currently loaned. If it is and the requested IPC

	// is flow controlled then block Etel calling the IPC by leaving with KErrInUse

	if((ret&KReqModeFlowControlObeyed) && iPhoneGlobals->iPhoneStatus.iDataPortLoaned)

		{

		LOGTEXT2(_L8("ReqModeL Leaving with KErrInUse as data port is loaned (aIpc=%d)"),aIpc);

		User::Leave(KErrInUse);

		}

	return ret;

	}

TInt CGprsContext::RegisterNotification(const TInt aIpc)

/**

 * This function is called from the framework.

 *

 * @param  aIpc IPC call from client.

 */

	{

	LOGTEXT2(_L8("CGprsContext::RegisterNotification called with aIpc=%d"),aIpc);

	switch (aIpc)

		{

		case EPacketContextNotifyConfigChanged:

		case EPacketContextNotifyStatusChange:

		case EPacketContextNotifyDataTransferred:

			return KErrNone;

		default:

			// Unknown or invalid IPC

            LOGTEXT2(_L8("CGprsContext::RegisterNotification Error Unknown IPC, aIpc=%d"),aIpc);

			return KErrNotSupported;

		}

	}

TInt CGprsContext::DeregisterNotification(const TInt aIpc)

/**

 * This function is called when the there is no client listening to a notification anymore.

 *

 * @param aIpc IPC call from client.

 */

	{

	LOGTEXT2(_L8("CGprs::DeregisterNotification called with aIpc=%d"),aIpc);

	switch (aIpc)

		{

		case EPacketContextNotifyConfigChanged:

		case EPacketContextNotifyStatusChange:

		case EPacketContextNotifyDataTransferred:

			return KErrNone;

		default:

			// Unknown or invalid IPC

            LOGTEXT2(_L8("CGprsContext::DeregisterNotification Error Unknown IPC, aIpc=%d"),aIpc);

			return KErrNotSupported;

		}

	}

TInt CGprsContext::NumberOfSlotsL(const TInt aIpc)

	{

	TInt numberOfSlots=0;

	switch (aIpc)

		{

		case EPacketContextNotifyConfigChanged:

		case EPacketContextNotifyStatusChange:

		case EPacketContextNotifyDataTransferred:

			LOGTEXT(_L8("CGprsContext: Registered with 5 slots"));

			numberOfSlots=5;

			break;

		default:

			// Unknown or invalid IPC

			LOGTEXT(_L8("CGprsContext: Number of Slots error, unknown IPC"));

			User::Leave(KErrNotSupported);

			break;

		}  

	return numberOfSlots;

	}

TInt CGprsContext::ExtFunc(const TTsyReqHandle aTsyReqHandle,const TInt aIpc,const TDataPackage& aPackage)

/**

 * This function is called from the framework.

 *

 * @param aTsyReqHandle handle to client.

 * @param aIpc IPC call from client.

 * @param aPackage agruments with the IPC call.

 */

	{

	TAny* dataPtr=aPackage.Ptr1();

	TAny* dataPtr2=aPackage.Ptr2();

	if(ShouldNotProcessIpcCall(aIpc))

		{// If the context is in state deleted these calls should not be processed.

		ReqCompleted(aTsyReqHandle, KErrAccessDenied);

		return KErrNone;

		}

	if(ShouldNotProcessIpcCallWhenComportIsLoaned(aIpc))

		{// If the comport is loaned out ipcs that generate a at command shall be returned with KErrAccesssDenied

		ReqCompleted(aTsyReqHandle, KErrAccessDenied);

		return KErrNone;

		}

	switch (aIpc)

		{

		case EPacketContextSetConfig:

			return SetConfig(aTsyReqHandle, aPackage.Des1n());

		case EPacketContextGetConfig:

			return GetConfig(aTsyReqHandle, aPackage.Des1n());

		case EPacketContextNotifyConfigChanged:

			return NotifyConfigChanged(aTsyReqHandle, aPackage.Des1n());

		case EPacketContextActivate:

			return Activate(aTsyReqHandle);

		case EPacketContextDeactivate:

			return Deactivate(aTsyReqHandle);

		case EPacketContextDelete:

			return Delete(aTsyReqHandle);

		case EPacketContextLoanCommPort:

			return LoanCommPort(aTsyReqHandle,

			REINTERPRET_CAST(RCall::TCommPort*, dataPtr));

		case EPacketContextRecoverCommPort:

			return RecoverCommPort(aTsyReqHandle);

		case EPacketContextGetStatus:

			return GetStatus(aTsyReqHandle,

			REINTERPRET_CAST(RPacketContext::TContextStatus*, dataPtr));

		case EPacketContextNotifyStatusChange:

			return NotifyStatusChange(aTsyReqHandle,

			REINTERPRET_CAST(RPacketContext::TContextStatus*, dataPtr));

		case EPacketContextGetDataVolumeTransferred:

			return GetDataVolumeTransferred(aTsyReqHandle,

			REINTERPRET_CAST(RPacketContext::TDataVolume*, dataPtr));

		case EPacketContextNotifyDataTransferred:

			return NotifyDataTransferred(aTsyReqHandle,

			REINTERPRET_CAST(RPacketContext::TDataVolume*, dataPtr),

			REINTERPRET_CAST(RPacketContext::TNotifyDataTransferredRequest*, dataPtr2));

		case EPacketContextGetLastErrorCause:

			return GetLastErrorCause(aTsyReqHandle,

			REINTERPRET_CAST(TInt*, dataPtr));

		default:

			return KErrNotSupported;

		}

	}

RPacketService::TContextInfo* CGprsContext::ContextInfo()

/**

 * This function returns the current context info.

 */

	{

	return &iInfo;

	}

TInt CGprsContext::Cid()

/**

 * This function returns the context id.

 */

	{

	return iCid;

	}

void CGprsContext::ContextInfo(RPacketService::TContextInfo* aInfo)

/**

 * This function returns the current context info.

 * @param aInfo context info that is returned.

 */

	{

	aInfo->iName.Copy(iInfo.iName);

	aInfo->iStatus = iInfo.iStatus;

	}

void CGprsContext::SetContextInfo(const RPacketService::TContextInfo* aContextInfo)

/**

 * This function sets the current context info.

 * @param aContextInfo context into to set.

 */

	{

	iInfo.iName.Copy(aContextInfo->iName);

	iInfo.iStatus = aContextInfo->iStatus;

	}

TDes* CGprsContext::ContextName()

/**

 * This function returns the context name.

 */

	{

	return &iInfo.iName;

	}

RPacketContext::TContextConfigGPRS* CGprsContext::Config()

/**

 * This function returns the context configuration.

 *

 */

	{

	return &iConfigGPRS;

	}

void CGprsContext::SetConfig(const RPacketContext::TContextConfigGPRS* aContextConfigGPRS)

/**

 * This function sets the context configuration.

 * @param iContextConfigV10 Configuration to set.

 */

	{

	iConfigGPRS = *aContextConfigGPRS;

	}	

void CGprsContext::GenerateNewProfileName(TDes& aName)

/**

 * This function generates a unique qos profile name and a free qosId number.

 *

 * @param aName New name of the profile that is generated.

 */

    {

    _LIT(KGprsName, "GPRS_QOS");

    aName.Append(KGprsName);

    aName.AppendNum(++iGprsQoSProfileCount);

    }

TInt CGprsContext::CancelService(const TInt aIpc, const TTsyReqHandle aTsyReqHandle)

/**

 * This function is called from the framework and cancels a outstanding request.

 * @param aIpc The IPC to cancel.

 * @param aTsyReqHandle the client handle to cancel.

 */

	{

	LOGTEXT(_L8("CGprsATContextTsy: - CancelService called"));

	switch (aIpc)

		{

		case EPacketContextSetConfig:

			return SetConfigCancel(aTsyReqHandle);

		case EPacketContextGetConfig:

			return GetConfigCancel(aTsyReqHandle);

		case EPacketContextNotifyConfigChanged:

			return NotifyConfigChangedCancel(aTsyReqHandle);

		case EPacketContextActivate:

			return ActivateCancel(aTsyReqHandle);

		case EPacketContextDeactivate:

			return DeactivateCancel(aTsyReqHandle);

		case EPacketContextDelete:

			return DeleteCancel(aTsyReqHandle);

		case EPacketContextLoanCommPort:

			return LoanCommPortCancel(aTsyReqHandle);

		case EPacketContextRecoverCommPort:

			return RecoverCommPortCancel(aTsyReqHandle);

		case EPacketContextNotifyStatusChange:

			return NotifyStatusChangeCancel(aTsyReqHandle);

		case EPacketContextNotifyDataTransferred:

			return NotifyDataTransferredCancel(aTsyReqHandle);

		default:

			return KErrNotSupported; 

		}	 

	}

TInt CGprsContext::SetConfig(const TTsyReqHandle aTsyReqHandle,const TDesC8* aConfig)

/**

 * Called from a client via ExtFunc.

 * This function will start a chain of AT commands to the phone(AT+CGQMIN and AT+CGQREQ).

 * 

 * @param aTsyReqHandle request handle that is completed when done with request.

 * @param  aConfig Pointer to a RPacketContext::TContextConfigPckg.

 */

	{

	LOGTEXT(_L8("CGprsContext::SetConfig called"));

	iATGPRSSetConfig->ExecuteCommand(aTsyReqHandle, (TAny*)aConfig);

	return KErrNone;

	}

TInt CGprsContext::SetConfigCancel(const TTsyReqHandle aTsyReqHandle)

/**

 * Cancels a outstanding request. Called via CancelService.

 * 

 * @param aTsyReqHandle  The handle to cancel

 */

	{

	LOGTEXT(_L8("CGprsContext::SetConfigCancel called"));

	iATGPRSSetConfig->CancelCommand(aTsyReqHandle);

	return KErrNone;

	}

TInt CGprsContext::GetConfig(const TTsyReqHandle aTsyReqHandle,TDes8* aConfig)

/**

 * Called from a client via ExtFunc.

 * This function will start a chain of AT commands to the phone(AT+CGQREQ?, AT+CGDCONT? and AT+CGQMIN?)

 * and query the settings in the phone.

 * 

 * @param aTsyReqHandle request handle that is completed when done with request.

 * @param  aConfig Pointer to a RPacketContext::TContextConfigPckg.

 */

	{

	LOGTEXT(_L8("CGprsContext::GetConfig called"));

	iATGPRSGetConfig->ExecuteCommand(aTsyReqHandle, aConfig);

	return KErrNone;

	}

TInt CGprsContext::GetConfigCancel(const TTsyReqHandle aTsyReqHandle)

/**

 * Cancels a outstanding request. Called via CancelService.

 * 

 * @param aTsyReqHandle  The handle to cancel

 */

	{

	LOGTEXT(_L8("CGprsContext::GetConfigCancel called"));

	iATGPRSGetConfig->CancelCommand(aTsyReqHandle);		

	return KErrNone;

	}