/*

* Copyright (c) 2005-2006 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:  BT RFComm socket

*

*/

#include <badesca.h>

#include "btmrfcommsock.h"

#include "btmsockobserver.h"

#include "debug.h"

// Constant for listening queue size

const TInt KListenQueSize = 1;

// ======== MEMBER FUNCTIONS ========

CBtmRfcommSock* CBtmRfcommSock::NewL(MBtmSockObserver& aObserver, RSocketServ& aServer)

    {

    CBtmRfcommSock* self = new (ELeave) CBtmRfcommSock(aObserver, aServer);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

CBtmRfcommSock::~CBtmRfcommSock()

    {

	TRACE_FUNC_ENTRY

	iAda.Close();

    delete iDataSocket;

    delete iListenSocket;

    iInData.Close();

    iOutData.Close();

    delete iOutDataQueue;

    TRACE_FUNC_EXIT

    }

// ---------------------------------------------------------

// CBtmRfcommSock::Connect

// ---------------------------------------------------------

//

void CBtmRfcommSock::ConnectL(TBTSockAddr& aAddr, TUint aService)

    {

    TRACE_FUNC_ENTRY

    TProtocolDesc pInfo;

    LEAVE_IF_ERROR(iServer.FindProtocol(TProtocolName(KRFCOMMDesC), pInfo));

    if (!iDataSocket)

        {

        iDataSocket = CBluetoothSocket::NewL(*this, iServer, pInfo.iSockType, pInfo.iProtocol);

        }

    LEAVE_IF_ERROR(iDataSocket->Connect(aAddr));

    iService = aService;

    iRemote = TBTDevAddr();

    iRemoteHasConnected = EFalse;

    TRACE_FUNC_EXIT

    }

// ---------------------------------------------------------

// CBtmRfcommSock::CancelActiveConnectSocket

// ---------------------------------------------------------

//

void CBtmRfcommSock::CancelConnect()

    {

    if (iDataSocket)

        {

        TRACE_FUNC_ENTRY

        iDataSocket->CancelConnect();

        TRACE_FUNC_EXIT

        }

    }

TBool CBtmRfcommSock::AccessoryInitiatedConnection()

	{

	return iRemoteHasConnected;

	}

TUint CBtmRfcommSock::ListenL(TUint aService, const TBTServiceSecurity& aSec, TUint aLastUsedPort)

    {

    TRACE_FUNC_ENTRY

    TRACE_ASSERT(!iListenSocket, EBTPanicRfcommAlreadyListen)

    TRACE_ASSERT(!iDataSocket, EBTPanicRfcommSockInuse)

	TProtocolDesc pInfo;

	LEAVE_IF_ERROR(iServer.FindProtocol(TProtocolName(KRFCOMMDesC), pInfo));

	iListenSocket = CBluetoothSocket::NewL(*this, iServer, pInfo.iSockType, pInfo.iProtocol);

	TRfcommSockAddr addr;

	addr.SetSecurity(aSec);

	TRACE_INFO((_L("Trying lastused port %d"), aLastUsedPort))

	addr.SetPort(aLastUsedPort);

	TInt error = iListenSocket->Bind(addr);

	if ( error )

	    {

	    TRACE_INFO((_L("Trying KRfcommPassiveAutoBind")))

	    addr.SetPort(KRfcommPassiveAutoBind);

	    LEAVE_IF_ERROR(iListenSocket->Bind(addr));

	    }	

	LEAVE_IF_ERROR(iListenSocket->Listen(KListenQueSize));

	iDataSocket = CBluetoothSocket::NewL(*this, iServer);

	LEAVE_IF_ERROR(iListenSocket->Accept(*iDataSocket));

	iService = aService;

	TRACE_FUNC_EXIT

	iRemote = TBTDevAddr();

	return iListenSocket->LocalPort();

    }

void CBtmRfcommSock::CancelListen()

    {

    if (iListenSocket)

        {

        TRACE_FUNC_ENTRY

        iListenSocket->CancelAccept();

        TRACE_FUNC_EXIT

        }

    }

void CBtmRfcommSock::Disconnect(RSocket::TShutdown aHow)

    {

    TRACE_FUNC_ENTRY

    if (iDataSocket)

        {

	    iAda.ActivateActiveRequester();

        iDataSocket->CancelWrite();

        iDataSocket->CancelRecv();

        iDataSocket->CancelIoctl();

        iDataSocket->Shutdown(aHow);

        }

    iRemote = TBTDevAddr();

    TRACE_FUNC_EXIT

    }

void CBtmRfcommSock::WriteL(const TDesC8& aData)

    {

    TRACE_FUNC_ENTRY

    TRACE_ASSERT(iDataSocket != NULL, EBTPanicObjectUninitialized)

    if (!iOutDataQueue)

        {

        iOutDataQueue = new (ELeave) CDesC8ArrayFlat(1);

        }

    iOutDataQueue->AppendL(aData);

    SendPacketL();

    TRACE_FUNC_EXIT

    }

void CBtmRfcommSock::CancelWrite()

    {

    if (iDataSocket)

        {

        TRACE_FUNC_ENTRY

        iDataSocket->CancelWrite();

        iOutDataQueue->Reset();

        TRACE_FUNC_EXIT

        }

    }

const TBTDevAddr& CBtmRfcommSock::Remote() const

    {

    return iRemote;

    }

TInt CBtmRfcommSock::RequestMasterRole()

    {

    TRACE_FUNC

    TRACE_ASSERT(iDataSocket, EBTPanicNullPointer)

    TUint32 basebandState = 0;

    TInt err = iDataSocket->PhysicalLinkState( basebandState );

    if (!err && (basebandState & ENotifySlave))

        {

        err = iDataSocket->RequestMasterRole();

        }

    return err;

    }

TBool CBtmRfcommSock::IsInSniff() const

    {

    return iInSniff;

    }

TInt CBtmRfcommSock::ActivateBasebandEventNotification(TInt aNotification)

    {

    TRACE_FUNC

    TRACE_ASSERT(iDataSocket, EBTPanicNullPointer)

    iBBNotificationMode = aNotification;

    return iDataSocket->ActivateBasebandEventNotifier(aNotification);

    }

void CBtmRfcommSock::SetObserver(MBtmSockObserver& aObserver)

    {

    TRACE_FUNC

    iObserver = &aObserver;

    }

TUint CBtmRfcommSock::Service() const

    {

    return iService;

    }

TInt CBtmRfcommSock::ActivateSniffRequester()

    {

    if (iDataSocket)

        return iAda.ActivateSniffRequester();

    else

        return KErrGeneral;

    }

void CBtmRfcommSock::RequestLinkToActiveMode()

    {

    if (iDataSocket)

        {

    	TInt err = iAda.ActivateActiveRequester();

    	TRACE_INFO((_L("ada.ActivateActiveRequester err %d"), err))    

        }

    TRACE_FUNC

    }

void CBtmRfcommSock::HandleConnectCompleteL(TInt aErr)

    {

    TRACE_FUNC_ENTRY

    TRACE_INFO((_L("err %d"), aErr))

    // Process the connect complete before issuing a receive request to ensure that

    // we are ready to process the data when it is received.

    iObserver->RfcommConnectCompletedL(aErr);

        {

        iInData.ReAllocL(256);

        RequestMasterRole();

        TInt err = iAda.Open(iServer, iRemote);

        TRACE_INFO((_L("ada.Open err %d"), err))

        iDataSocket->ActivateBasebandEventNotifier(ENotifyAnyPowerMode | ENotifyAnyRole | 

                                                   ENotifySCOLinkUp | ENotifySCOLinkDown | 

                                                   ENotifySCOLinkError | ENotifyPhysicalLinkUp | 

                                                   ENotifyPhysicalLinkDown | ENotifyPhysicalLinkError);

        ReceiveL();

        }

    TRACE_FUNC_EXIT

    }

void CBtmRfcommSock::HandleAcceptCompleteL(TInt aErr)

    {

    TRACE_FUNC_ENTRY

    // Process the accept complete before issuing a receive request to ensure that

    // we are ready to process the data when it is received.

    iObserver->RfcommAcceptCompletedL(aErr, iService);

        {

        iInData.ReAllocL(256);

        RequestMasterRole();

        TInt err = iAda.Open(iServer, iRemote);

        TRACE_INFO((_L("ada.Open err %d"), err))

        iDataSocket->ActivateBasebandEventNotifier(ENotifyAnyPowerMode | ENotifyAnyRole |

                                                   ENotifySCOLinkUp | ENotifySCOLinkDown | 

                                                   ENotifySCOLinkError | ENotifyPhysicalLinkUp | 

                                                   ENotifyPhysicalLinkDown | ENotifyPhysicalLinkError);

        ReceiveL();

        }

    TRACE_FUNC_EXIT   

    }

void CBtmRfcommSock::HandleShutdownCompleteL(TInt aErr)

    {

    TRACE_FUNC

    iObserver->RfcommShutdownCompletedL(aErr);

    }

void CBtmRfcommSock::HandleSendCompleteL(TInt aErr)

    {

    TRACE_FUNC

    TRACE_INFO((_L("err %d"), aErr))

    iWriting = EFalse;

    if (!aErr)

        {

        SendPacketL();

        }

    else

        {

        iObserver->RfcommSendCompletedL(aErr);

        }

    }

void CBtmRfcommSock::HandleReceiveCompleteL(TInt aErr)

    {

    TRACE_FUNC

    TRACE_INFO((_L("err %d"), aErr))

    iObserver->RfcommReceiveCompletedL(aErr, iInData);

    if (!aErr)

        {

        ReceiveL();

        }

    }

void CBtmRfcommSock::HandleIoctlCompleteL(TInt aErr)

    {

    TRACE_FUNC

    TRACE_INFO((_L("KL2CAPEchoRequestIoctl callback code: %d"), aErr ))

    if (aErr)

        {

        iObserver->RfcommSendCompletedL(aErr);

        }

    }

void CBtmRfcommSock::HandleActivateBasebandEventNotifierCompleteL(

    TInt aErr, TBTBasebandEventNotification& aEventNotification)

    {

    TRACE_FUNC_ENTRY

    if (!aErr)

        {

    	switch(aEventNotification.EventType())

    		{

    		case ENotifyActiveMode:

    			{

    			TRACE_INFO(_L( "BB Notif: Active mode" ))

    			iInSniff = EFalse;

    			break;

    			}

    		case ENotifySniffMode:

    			{

    			TRACE_INFO(_L( "BB Notif: Sniff mode" ))

    			break;

    			}

    		case ENotifyMaster:

    			{

    			TRACE_INFO(_L( "BB Notif: Master role"))

    			break;

    			}

    		case ENotifySlave:

    			{

    			TRACE_INFO(_L("BB Notif: Slave role"))

    			break;

    			}

    		case ENotifySCOLinkUp:

    			{

    			TRACE_INFO(_L("BB Notif: SCO up"))

    			break;

    			}

    		case ENotifySCOLinkDown:

    			{

    			TRACE_INFO(_L("BB Notif: SCO down"))

                TInt err = iDataSocket->Ioctl( KL2CAPEchoRequestIoctl, NULL, KSolBtL2CAP );

                TRACE_INFO((_L("KL2CAPEchoRequestIoctl return code: %d"), err ))

    			break;

    			}

    		case ENotifySCOLinkError:

    			{

    			TRACE_INFO(_L("BB Notif: SCO error"))

    			break;

    			}

    		case ENotifyPhysicalLinkUp:

    		    {

                TRACE_INFO(_L("BB Notif: Physical link up"))    		        

    		    break;

    		    }

    		case ENotifyPhysicalLinkDown:

    		    {

                TRACE_INFO(_L("BB Notif: Physical link down"))    		        

    		    break;

    		    }

    		case ENotifyPhysicalLinkError:

    		    {

                TRACE_INFO(_L("BB Notif: Physical link error"))    		        

    		    break;

    		    }

    		default:

    			{

    			TRACE_INFO((_L( "BB Notif: Uninteresting event (0x%08X)"), aEventNotification.EventType()))

    			}

    		};

        }

    TRACE_FUNC_EXIT

    }

void CBtmRfcommSock::ConstructL()

    {

    }

CBtmRfcommSock::CBtmRfcommSock(MBtmSockObserver& aObserver, RSocketServ& aServer)

    : iObserver(&aObserver), iServer(aServer), iInSniff(EFalse)

    {

    TRACE_FUNC

    }

// -----------------------------------------------------------------------------

// CBtmAtPipe::HandleAccessoryDataEventL

// -----------------------------------------------------------------------------

//

void CBtmRfcommSock::SendPacketL()

    {

    if (!iWriting && iOutDataQueue && iOutDataQueue->MdcaCount() > 0)

        {

        if (iOutData.MaxLength() < iOutDataQueue->MdcaPoint(0).Length())

            {

            iOutData.ReAllocL(iOutDataQueue->MdcaPoint(0).Length());

            } 

        iOutData.Copy(iOutDataQueue->MdcaPoint(0));

        iDataSocket->Write(iOutData);

        iOutDataQueue->Delete(0);

        TRACE_INFO((_L8("[HFP] [O] %S"), &iOutData))

        iWriting = ETrue;

        }

    }

void CBtmRfcommSock::ReceiveL()

    {

    TRACE_FUNC

    TRACE_ASSERT(iDataSocket != NULL, EBTPanicObjectUninitialized)

    iInData.Zero();

    LEAVE_IF_ERROR(iDataSocket->RecvOneOrMore(iInData, 0, iXfrLength));

    }

void CBtmRfcommSock::CancelReceive()

    {

    if (iDataSocket)

        {

        TRACE_FUNC_ENTRY

        iDataSocket->CancelRecv();

        TRACE_FUNC_EXIT

        }

    }

void CBtmRfcommSock::SetService(TUint aService)

		{

		iService = aService;

		}