// 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:

//

#include <bluetooth/logger.h>

#include "l2capSigPacketDisconnection.h"

#include "l2capSignalHandler.h"

#include "l2constants.h"

#ifdef __FLOG_ACTIVE

_LIT8(KLogComponent, LOG_COMPONENT_L2CAP);

#endif

//					DISCONNECT REQUEST COMMAND 

/*static*/ HDisconnectRequest* HDisconnectRequest::New(TL2CAPPort aLocalPort, TL2CAPPort aRemotePort,

		  	                                           TUint8 aRTXTimerDuration,

	                                                   TUint16 aERTXTimerDuration)

	{

	LOG_STATIC_FUNC

	HDisconnectRequest* cmd = NULL;

	RMBufChain buf;

	TRAPD(rerr, buf.AllocL(KDisconnectRequestLength));

	if(rerr == KErrNone)

		{

		cmd = new HDisconnectRequest(buf, aRTXTimerDuration, aERTXTimerDuration);

		if(cmd)

			{

			// Setup message contents.

			cmd->SetCode(EDisconnectionRequest);

			cmd->SetID(KUninitialisedID);

			cmd->WriteDataLength();

			cmd->SetDestinationCID(aRemotePort);

			cmd->SetSourceCID(aLocalPort);

			}

		else

			{

			// Free the allocated buffer.

			buf.Free();

			}

		}

	return cmd;

	}		

/**

Verifies that the buffer contains a structurally correct command. 

This does not ensure that the content of the command is semantically valid.

@param aCommmand A new HL2CapCommand if the buffer contains a structurally valid command.

@param aBuffer The buffer containing the command

@return KErrNone if the command if created.

		KErrNoMemory if the command structure is valid but cannot be created.

		KErrCorrupt if the command structure is invalid.

*/

TInt HDisconnectRequest::NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand)

	{

	LOG_STATIC_FUNC

	// Firstly align the MBufChain.  The maximum size we can align the 

	// MBufChain to is the maximum MBuf size

	__ASSERT_COMPILE(KDisconnectRequestLength <= KMBufSmallSize);

	TInt length = aBuffer.Length();

	if(length == KDisconnectRequestLength)

		{

		// Don't need to check result as we know that the MBufChain contains

		// at least length bytes as we asked first.

		(void)aBuffer.Align(length);

		aCommand = new HDisconnectRequest(aBuffer);

		if(aCommand)

			{

			return KErrNone;

			}

		else

			{

			return KErrNoMemory;

			}

		}

	else

		{

		// Dodge length!

		return KErrCorrupt;

		}

	}

HDisconnectRequest::HDisconnectRequest(RMBufChain& aCommand,

                                       TUint8 aRTXTimerDuration,

                                       TUint16 aERTXTimerDuration)

 : HL2CapCommand(aCommand, aRTXTimerDuration, aERTXTimerDuration)

	{

	LOG_FUNC

	}

HDisconnectRequest::~HDisconnectRequest()

	{

	LOG_FUNC

	}

TBool HDisconnectRequest::ProcessCommand(CL2CapSignalHandler& aSignalHandler)

	{

	LOG_FUNC

	if(aSignalHandler.HandleDisconnectRequest(this))

		{

		// The command has been handled.  Delete it.

		delete this;

		return ETrue;

		}

	else

		{

		return EFalse;

		}

	}

//					DISCONNECT RESPONSE COMMAND 

/*static*/ HDisconnectResponse* HDisconnectResponse::New(TUint8 aId, TL2CAPPort aLocalPort, TL2CAPPort aRemotePort)

	{

	LOG_STATIC_FUNC

	HDisconnectResponse* cmd = NULL;

	RMBufChain buf;

	TRAPD(rerr, buf.AllocL(KDisconnectResponseLength));

	if(rerr == KErrNone)

		{

		cmd = new HDisconnectResponse(buf);

		if(cmd)

			{

			// Setup message contents.

			cmd->SetCode(EDisconnectionResponse);

			cmd->SetID(aId);

			cmd->WriteDataLength();

			cmd->SetDestinationCID(aLocalPort);

			cmd->SetSourceCID(aRemotePort);

			}

		else

			{

			// Free the allocated buffer.

			buf.Free();

			}

		}

	return cmd;

	}	

/**

Verifies that the buffer contains a structurally correct command. 

This does not ensure that the content of the command is semantically valid.

@param aCommmand A new HL2CapCommand if the buffer contains a structurally valid command.

@param aBuffer The buffer containing the command

@return KErrNone if the command if created.

		KErrNoMemory if the command structure is valid but cannot be created.

		KErrCorrupt if the command structure is invalid.

*/

TInt HDisconnectResponse::NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand)

	{

	LOG_STATIC_FUNC

	// Firstly align the MBufChain.  The maximum size we can align the 

	// MBufChain to is the maximum MBuf size

	__ASSERT_COMPILE(KDisconnectResponseLength <= KMBufSmallSize);

	TInt length = aBuffer.Length();

	if(length == KDisconnectResponseLength)

		{

		// Don't need to check result as we know that the MBufChain contains

		// at least length bytes as we asked first.

		(void)aBuffer.Align(length);

		aCommand = new HDisconnectResponse(aBuffer);

		if(aCommand)

			{

			return KErrNone;

			}

		else

			{

			return KErrNoMemory;

			}

		}

	else

		{

		// Dodge length!

		return KErrCorrupt;

		}

	}

HDisconnectResponse::HDisconnectResponse(RMBufChain& aCommand) 

 : HL2CapCommand(aCommand)

	{

	LOG_FUNC

	}

HDisconnectResponse::~HDisconnectResponse()

	{

	LOG_FUNC

	}

TBool HDisconnectResponse::ProcessCommand(CL2CapSignalHandler& aSignalHandler)	

	{

	LOG_FUNC

	if(aSignalHandler.HandleDisconnectResponse(this))

		{

		// The command has been handled.  Delete it.

		delete this;

		return ETrue;

		}

	else

		{

		return EFalse;

		}

	}