// Copyright (c) 2006-2009 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:

// These functions are called by parts of the stack that would like to issue

// HCI commands.

// The general pattern is for these functions create a new command and then

// add it to the command Q, which takes ownership of the command.

// 

//

#include <bluetooth/logger.h>

#include "hcifacade.h"

#include "linkutil.h"

#include "linkconsts.h"

#include "hostresolver.h"

#include <e32std.h>

#include <bt_sock.h>

#include "debug.h"

#include <utf.h>

#include <es_ini.h>

#include <btextnotifiers.h>

#include <bluetooth/hcicommandqueue.h>

#include <bluetooth/hcicommandqitem.h>

// Command Headers

#include <bluetooth/hci/writescanenablecommand.h>

#include <bluetooth/hci/createaclconnectioncommand.h>

#include <bluetooth/hci/setupsynchronousconnectioncommand.h>

#include <bluetooth/hci/acceptsynchronousconnectionrequestcommand.h>

#include <bluetooth/hci/rejectsynchronousconnectionrequestcommand.h>

#include <bluetooth/hci/disconnectcommand.h>

#include <bluetooth/hci/writelinkpolicysettingscommand.h>

#include <bluetooth/hci/hostnumberofcompletedpacketscommand.h>

#include <bluetooth/hci/acceptconnectionrequestcommand.h>

#include <bluetooth/hci/rejectconnectionrequestcommand.h>

#include <bluetooth/hci/readremoteversioninfocommand.h>

#include <bluetooth/hci/readremotesupportedfeaturescommand.h>

#include <bluetooth/hci/readremoteextendedfeaturescommand.h>

#include <bluetooth/hci/readclockoffsetcommand.h>

#include <bluetooth/hci/remotenamerequestcommand.h>

#include <bluetooth/hci/flushcommand.h>

#include <bluetooth/hci/seteventmaskcommand.h>

#include <bluetooth/hci/writelocalnamecommand.h>

#include <bluetooth/hci/linkkeyrequestreplycommand.h>

#include <bluetooth/hci/linkkeyrequestreplynegativecommand.h>

#include <bluetooth/hci/changelinkkeycommand.h>

#include <bluetooth/hci/pincoderequestreplycommand.h>

#include <bluetooth/hci/pincoderequestreplynegativecommand.h>

#include <bluetooth/hci/changeconnectionpackettypecommand.h>

#include <bluetooth/hci/authenticationrequestedcommand.h>

#include <bluetooth/hci/setconnectionencryptioncommand.h>

#include <bluetooth/hci/sniffmodecommand.h>

#include <bluetooth/hci/exitsniffmodecommand.h>

#include <bluetooth/hci/holdmodecommand.h>

#include <bluetooth/hci/parkmodecommand.h>

#include <bluetooth/hci/exitparkmodecommand.h>

#include <bluetooth/hci/switchrolecommand.h>

#include <bluetooth/hci/writeclassofdevicecommand.h>

#include <bluetooth/hci/setafhhostchannelclassificationcommand.h>

#include <bluetooth/hci/writeafhchannelassessmentmodecommand.h>

#include <bluetooth/hci/setcontrollertohostflowcontrolcommand.h>

#include <bluetooth/hci/readclassofdevicecommand.h>

#include <bluetooth/hci/readbuffersizecommand.h>

#include <bluetooth/hci/hostbuffersizecommand.h>

#include <bluetooth/hci/writecurrentiaclapcommand.h>

#include <bluetooth/hci/vendordebugcommand.h>

#include <bluetooth/hci/addscoconnectioncommand.h>

#include <bluetooth/hci/remotenamerequestcancelcommand.h>

#include <bluetooth/hci/refreshencryptionkeycommand.h>

#include <bluetooth/hci/writelinksupervisiontimeoutcommand.h>

void CHCIFacade::SCOConnectL(THCIConnHandle aACLHandle, TUint16 aPacketTypeMask, const TBTDevAddr& aBdaddr)

/**

	@pre Callers should check that the ACL Handle exists

	Attempts to attach an SCO link to the baseband

**/

	{

 	TBTDevHCIVersion hciVersion = iLinkMgrProtocol.GetHWHCIVersion(); // Read Hardware HCI Version

 	if (hciVersion.iHCIVersion > EHWHCIv1_1) // May not support Add_SCO_Connection

 		{

		#pragma message("KBTVoiceSetting - hardware specific value. KBTVoiceSetting should be replaced by HCI implementation, and should NOT be modified in a BT stack.")

		SetupSynchronousConnectionCommandL(aACLHandle,KBTSync64KBit,KBTSync64KBit,KeSCOMaxLatencyDontCare,KBTVoiceSetting,EeSCORetransmitDontCare,(aPacketTypeMask >> KSCOvsSyncHVOffset) | KNoEDReSCOPacketMask, aBdaddr); // Need to specify not to use EDR eSCO packets, as they are enabled by default

 		}

 	else // Supports Add_SCO_Connection

 		{

		CAddSCOConnectionCommand* cmd = CAddSCOConnectionCommand::NewL(aACLHandle, aPacketTypeMask, aBdaddr);

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		iCmdController->MhcqAddCommandL(cmd, *this);

 		}

	}

void CHCIFacade::SetupSynchronousConnectionCommandL(THCIConnHandle aACLHandle,

						TUint aTransmitBandwidth,	TUint aReceiveBandwidth, TUint16 aMaxLatency,

						TUint16 aVoiceSettings,	TUint8	aRetransmissionEffort,

						TBTSyncPacketTypes aPacketTypeMask, const TBTDevAddr& aBdaddr)

/**

	@pre Callers should check that the ACL Handle exists

	Attempts to attach a synchronous link to the baseband

**/

	{

	CSetupSynchronousConnectionCommand* cmd = CSetupSynchronousConnectionCommand::NewL(aACLHandle, aTransmitBandwidth, aReceiveBandwidth, aMaxLatency, aVoiceSettings, aRetransmissionEffort, aPacketTypeMask, aBdaddr);

	#pragma message("NB. This message relates to the CommandsEvents of the HCI(v2). It appears here because CE source code is generated.")

	#pragma message("Value of iVoiceSetting (see HCI Command) member is closely related to hardware used. ")

	#pragma message("Bits: Input Coding, Input Data, Input Sample Size and Linear_PCM_Bit_pos, should be set...")

	#pragma message("...according to hardware capabilities, and OR-ed to create appropriate iVoiceSetting value.")

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::AcceptSynchronousConnectionL(const TBTDevAddr& aBdaddr,

						TUint aTransmitBandwidth,	TUint aReceiveBandwidth, TUint16 aMaxLatency,

						TUint16 aContentFormat, TUint8	aRetransmissionEffort, TBTSyncPacketTypes aPacketTypeMask)

	{

	CAcceptSynchronousConnectionRequestCommand* cmd = CAcceptSynchronousConnectionRequestCommand::NewL(aBdaddr, aTransmitBandwidth, aReceiveBandwidth, aMaxLatency, aContentFormat, aRetransmissionEffort, aPacketTypeMask);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::RejectSynchronousConnectionL(const TBTDevAddr& aBdaddr, THCIErrorCode aReason)

	{

	CRejectSynchronousConnectionRequestCommand* cmd = CRejectSynchronousConnectionRequestCommand::NewL(aBdaddr, aReason);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ConnectL(const TBTDevAddr& aAddr,

						 TUint16 aPacketType,

						 TUint8 aPageScanRepetitionMode,

						 TUint8 aPageScanMode,

						 TUint16 aClockOffset,

						 TUint8 aAllowRoleSwitch)

	{

	CCreateACLConnectionCommand* cmd = CCreateACLConnectionCommand::NewL(aAddr, aPacketType, aPageScanRepetitionMode, aPageScanMode, aClockOffset, aAllowRoleSwitch);

	// Before the CreateConnection command can be added to the queue we try

	// to ensure any inquiry is cancelled as some hardware will disallow the

	// connect otherwise.						

	iLinkMgrProtocol.InquiryMgr().Suspend();

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::DisconnectL(THCIConnHandle aConnH, THCIErrorCode aErr)

	{

	CDisconnectCommand* cmd = CDisconnectCommand::NewL(aConnH, aErr);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::WriteLinkPolicySettingsL(THCIConnHandle aConnH, TUint16 aSettings)

	{

	CWriteLinkPolicySettingsCommand* cmd = CWriteLinkPolicySettingsCommand::NewL(aConnH, aSettings);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::WriteScanEnableL(THCIScanEnable aEnable)

	{

	CWriteScanEnableCommand* cmd = CWriteScanEnableCommand::NewL(aEnable);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::HostNumberOfCompletedPacketsL(THCIConnHandle aConnH, TUint16 aFrags)

	{

	RArray<THCIConnectionHandle> connHandles;

	connHandles.Append(aConnH);

	RArray<THCINumOfCompletedPackets> numPackets;

	numPackets.Append(aFrags);

	CHostNumberOfCompletedPacketsCommand* cmd = CHostNumberOfCompletedPacketsCommand::NewL(1, connHandles, numPackets);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::AcceptConnectionRequestL(const TBTDevAddr& aAddr, TUint8 aRole)

	{

	CAcceptConnectionRequestCommand* cmd = CAcceptConnectionRequestCommand::NewL(aAddr, aRole);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::RejectConnectionRequestL(const TBTConnect& aConnect, THCIErrorCode aReason)

	{

	CRejectConnectionRequestCommand* cmd = CRejectConnectionRequestCommand::NewL(aConnect.iBdaddr, aReason);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ReadRemoteVersionL(THCIConnHandle aHandle)

	{

	CReadRemoteVersionInfoCommand* cmd = CReadRemoteVersionInfoCommand::NewL(aHandle);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ReadRemoteSupportedFeaturesL(THCIConnHandle aHandle)

	{

	CReadRemoteSupportedFeaturesCommand* cmd = CReadRemoteSupportedFeaturesCommand::NewL(aHandle);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ReadRemoteExtendedFeaturesL(THCIConnHandle aHandle, TUint8 aPageNumber)

	{

	TInt err = KErrNotSupported;

	TBTDevHCIVersion hciVersion = iLinkMgrProtocol.GetHWHCIVersion(); // Read Hardware HCI Version

 	if (hciVersion.iHCIVersion > EHWHCIv1_1) // May not support Read_Remote_Extended_Features command

		{

		// Maybe migrate this to use HCIv2 so command is owned by physical link

		CReadRemoteExtendedFeaturesCommand* cmd = NULL;

		TRAP(err, cmd = CReadRemoteExtendedFeaturesCommand::NewL(aHandle, aPageNumber));

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		if(err == KErrNone)

			{

			TRAP(err, iCmdController->MhcqAddCommandL(cmd, *this));

			}

		}

	if(err != KErrNone)

		{

		// Some error occured but we have to signal the SSP state

		iLinksMgr->ReadRemoteExtendedFeaturesComplete(EUnknownOpcode, aHandle, TUint64(0), KRemoteExtendedFeaturesPage1, 0);

		User::Leave(err);

		}

	}

void CHCIFacade::ReadClockOffsetL(THCIConnHandle aHandle)

/**

	Create a command to find remote clock offset

**/

	{

	CReadClockOffsetCommand* cmd = CReadClockOffsetCommand::NewL(aHandle);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::RefreshEncryptionKeyL(THCIConnHandle aHandle)

	{

	CRefreshEncryptionKeyCommand* cmd = CRefreshEncryptionKeyCommand::NewL(aHandle);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::WriteLinkSupervisionTimeoutL(THCIConnHandle aHandle, TInt aTimeout)

	{

	CWriteLinkSupervisionTimeoutCommand* cmd = CWriteLinkSupervisionTimeoutCommand::NewL(aHandle, aTimeout);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::FlushL(THCIConnHandle aConnH)

	{

	CFlushCommand* cmd = CFlushCommand::NewL(aConnH);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::SetEventMaskL(const THCIEventMask& aEventMask)

	{

	static const TUint8 KSizeOf64BitsInBytes = 8;

	TBuf8<KSizeOf64BitsInBytes> eventMask;

	eventMask.SetLength(KSizeOf64BitsInBytes);

	TUint8* ptr = const_cast<TUint8*>(eventMask.Ptr());

	LittleEndian::Put32(ptr, aEventMask.iLoBytes);

	LittleEndian::Put32(ptr+sizeof(TUint32), aEventMask.iHiBytes);

	CSetEventMaskCommand* cmd = CSetEventMaskCommand::NewL(eventMask);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::WriteLocalNameL(const TDesC8& aName)

	{

	CWriteLocalNameCommand* cmd = CWriteLocalNameCommand::NewL(aName);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

TInt CHCIFacade::LinkKeyRequestReply(const TBTDevAddr& aBdaddr, const TDesC8& aLinkKey) const

/**

	We have obtained a linkkey, tell HC

**/

	{

	CLinkKeyRequestReplyCommand* cmd = NULL;

	TBTLinkKey linkkey;

	linkkey.Copy(aLinkKey);

	TRAPD(err, cmd = CLinkKeyRequestReplyCommand::NewL(aBdaddr, linkkey));

	if (err == KErrNone)

		{

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		TRAP(err, iCmdController->MhcqAddCommandL(cmd, const_cast<CHCIFacade&>(*this)));

		}

	return err;

	}

TInt CHCIFacade::LinkKeyRequestNegativeReply(const TBTDevAddr& aBdaddr) const

/**

	We have not obtained a linkkey, tell HC

**/

	{

	CLinkKeyRequestReplyNegativeCommand* cmd = NULL;

	TRAPD(err, cmd = CLinkKeyRequestReplyNegativeCommand::NewL(aBdaddr));

	if (err == KErrNone)

		{

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		TRAP(err, iCmdController->MhcqAddCommandL(cmd, const_cast<CHCIFacade&>(*this)));

		}

	return err;

	}

TInt CHCIFacade::ChangeConnectionLinkKey(THCIConnHandle aConnHandle)

/**

Change the link key for the specified connection handle

**/

	{

	CChangeLinkKeyCommand* cmd = NULL;

	TRAPD(err, cmd = CChangeLinkKeyCommand::NewL(aConnHandle));

	if (err == KErrNone)

		{

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		TRAP(err, iCmdController->MhcqAddCommandL(cmd, *this));

		}

	return err;

	}

TInt CHCIFacade::PINCodeRequestReply(const TBTDevAddr& aBdaddr,const TDesC8& aPIN) const

/**

	We have obtained a PIN, tell HC

**/

	{

	CPINCodeRequestReplyCommand* cmd = NULL;

	TBTPinCode pin;

	pin.Copy(aPIN);

	TPtrC8 pinContents(pin().iPIN, pin().iLength);

	TRAPD(err, cmd = CPINCodeRequestReplyCommand::NewL(aBdaddr, pin().iLength, pinContents));

	if (err == KErrNone)

		{

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		TRAP(err, iCmdController->MhcqAddCommandL(cmd, const_cast<CHCIFacade&>(*this)));

		}

	return err;

	}

TInt CHCIFacade::PINCodeRequestNegativeReply(const TBTDevAddr& aBdaddr) const

/**

	We have not obtained a PIN, tell HC

**/

	{

	CPINCodeRequestReplyNegativeCommand* cmd = NULL;

	TRAPD(err, cmd = CPINCodeRequestReplyNegativeCommand::NewL(aBdaddr));

	if (err == KErrNone)

		{

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		TRAP(err, iCmdController->MhcqAddCommandL(cmd, const_cast<CHCIFacade&>(*this)));

		}

	return err;

	}

TInt CHCIFacade::ChangeConnectionPacketType(THCIConnHandle aConnHandle, TUint16 aType)

	{

	CChangeConnectionPacketTypeCommand* cmd = NULL;

	TRAPD(err, cmd = CChangeConnectionPacketTypeCommand::NewL(aConnHandle, aType));

	if (err == KErrNone)

		{

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		TRAP(err, iCmdController->MhcqAddCommandL(cmd, *this));

		}

	return err;

	}

void CHCIFacade::AuthenticateL(THCIConnHandle aConnHandle)

/**

	Do an authentication

**/

	{

	CAuthenticationRequestedCommand* cmd = CAuthenticationRequestedCommand::NewL(aConnHandle);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::SetEncryptL(THCIConnHandle aConnHandle,TBool aEnable)

/**

	Creates command to enable/disable encryption on a given link

**/

	{

	CSetConnectionEncryptionCommand* cmd = CSetConnectionEncryptionCommand::NewL(aConnHandle, aEnable);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::SniffL(THCIConnHandle aHandleToRemote)

	{

	CSniffModeCommand* cmd = CSniffModeCommand::NewL(aHandleToRemote, KBTSniffModeMaxInterval, KBTSniffModeMinInterval, KBTSniffModeAttempt, KBTSniffModeTimeout);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ExitSniffL(THCIConnHandle aHandleToRemote)

	{

	CExitSniffModeCommand* cmd = CExitSniffModeCommand::NewL(aHandleToRemote);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::HoldL(THCIConnHandle aHandle)

	{

	CHoldModeCommand* cmd = CHoldModeCommand::NewL(aHandle, KBTHoldModeMaxInterval, KBTHoldModeMinInterval);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ParkL(THCIConnHandle aHandle)

	{

	CParkModeCommand* cmd = CParkModeCommand::NewL(aHandle, KBTParkModeBeaconMaxInterval, KBTParkModeBeaconMinInterval);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ExitParkL(THCIConnHandle aHandle)

	{

	CExitParkModeCommand* cmd = CExitParkModeCommand::NewL(aHandle);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::ChangeRoleL(TBTBasebandRole aRole, const TBTDevAddr& aAddr)

	{

	CSwitchRoleCommand* cmd = CSwitchRoleCommand::NewL(aAddr, aRole);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::WriteDeviceClassL(TUint aCoD)

	{

	CWriteClassOfDeviceCommand* cmd = CWriteClassOfDeviceCommand::NewL(aCoD);

	// Ownership of cmd transfered even if MhcqAddCommandL leaves

	iCmdController->MhcqAddCommandL(cmd, *this);

	}

void CHCIFacade::SetAFHHostChannelClassificationL(const TBTAFHHostChannelClassification& aChannelClassification)

	{

	__ASSERT_DEBUG(aChannelClassification.Validate()==KErrNone, 

				   __BTDEBUGGER());

	if(aChannelClassification.Validate()!=KErrNone)

		{

		//NB If this is called by one of Bluetooth's "Publish

		//and Subscribe" subscribers, then the KErrNotSupported

		//will be dropped - no error will be reported to the user...

		//which is good - we do not want the user reacting to errors.

		User::Leave(KErrNotSupported);

		}

	if(iAFHTimer->IsActive())

		{

		//Timer is active => a host channel classification has just been sent.

		//Setup timer so that this command is postponed to occur more than one second after 

		//that last host channel classification command - as per spec.

		//NB You only need the latest Host Channel Classification command

		//when the timer fires.

		iAFHTimer->SetPending(aChannelClassification);

		}

	else

		{

		//Start AFHHost Channel Classification Command blocking timer with a 

		//long timeout (in case command never completes). 

		//This will be updated when/if the command does complete.

		iAFHTimer->After(KAFHHostChannelClassificationCommandCompleteTimer);

		CSetAFHHostChannelClassificationCommand* cmd = CSetAFHHostChannelClassificationCommand::NewL(aChannelClassification);

		// Ownership of cmd transfered even if MhcqAddCommandL leaves

		iCmdController->MhcqAddCommandL(cmd, *this);

		}

	}