1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "panhelperdevicediscoverer.h"

    17 using namespace PanHelper;

    18 

    19 CPanHelperDeviceDiscoverer* CPanHelperDeviceDiscoverer::NewL()

    20 /**

    21 Return a newly constructed device discoverer

    22 */

    23 	{

    24 	CPanHelperDeviceDiscoverer* self = new (ELeave) CPanHelperDeviceDiscoverer;

    25 	CleanupStack::PushL(self);

    26 	self->ConstructL();

    27 	CleanupStack::Pop(self);

    28 	return self;

    29 	}

    30 

    31 CPanHelperDeviceDiscoverer::~CPanHelperDeviceDiscoverer()

    32 /**

    33 Clean up

    34 */

    35 	{

    36 	iDeviceAddresses.Close();

    37 	iHostResolver.Close();

    38 	iSockServ.Close();

    39 	}

    40 	

    41 void CPanHelperDeviceDiscoverer::RunL()

    42 /**

    43 Found a new device

    44 */

    45 	{

    46 	if(iStatus==KErrNone)

    47 		{

    48 		TBTDevAddr newDevAddr(static_cast<TInquirySockAddr>(iNameEntry().iAddr).BTAddr());

    49 		TInt index = iDeviceAddresses.Find(newDevAddr);

    50 		if(index != KErrNotFound)

    51 			{

    52 			TPckg<TBTDevAddr> devAddrBuf(iDeviceAddresses[index]);

    53 			iRemDevAddrBuf->Copy(devAddrBuf);

    54 			User::RequestComplete(iClientStatus, KErrNone);	

    55 			Cancel();

    56 			}

    57 		else 

    58 			{

    59 			iHostResolver.Next(iNameEntry, iStatus);

    60 			SetActive();

    61 			}

    62 		}

    63 	else

    64 		{

    65 		User::RequestComplete(iClientStatus, iStatus.Int());

    66 		Cancel();	

    67 		}

    68 	}

    69 	

    70 void CPanHelperDeviceDiscoverer::DoCancel()

    71 /**

    72 Cancel HostResolver

    73 */

    74 	{

    75 	iHostResolver.Cancel();

    76 	}

    77 	

    78 void CPanHelperDeviceDiscoverer::FindDevice(TDesC& aDeviceAddrList, TDes8& aDeviceAddr, TRequestStatus& aStatus)

    79 /**

    80 Start a generic inquiry

    81 */

    82 	{

    83 	iRemDevAddrBuf = (TPckgBuf<TBTDevAddr>*) &aDeviceAddr;

    84 	iClientStatus = &aStatus;

    85 	ConvertListToArray(aDeviceAddrList);

    86 	iHostResolver.GetByAddress(iInquiryAddr, iNameEntry, iStatus);

    87 	SetActive();

    88 	}

    89 	

    90 void CPanHelperDeviceDiscoverer::CancelFindDevice()

    91 /**

    92 Cancel

    93 */

    94 	{

    95 	Cancel();

    96 	User::RequestComplete(iClientStatus, KErrCancel);

    97 	}

    98 	

    99 CPanHelperDeviceDiscoverer::CPanHelperDeviceDiscoverer() :

   100 	CActive(EPriorityStandard)

   101 /**

   102 Constructor

   103 */

   104 	{

   105 	CActiveScheduler::Add(this);

   106 	iInquiryAddr.SetIAC(KGIAC);

   107 	iInquiryAddr.SetAction(KHostResInquiry); // don't need device names here

   108 	}

   109 	

   110 void CPanHelperDeviceDiscoverer::ConstructL()

   111 /**

   112 Initialise

   113 */

   114 	{

   115 	User::LeaveIfError(iSockServ.Connect());

   116 	User::LeaveIfError(iHostResolver.Open(iSockServ, KBTAddrFamily, KBTLinkManager));

   117 	}

   118 	

   119 void CPanHelperDeviceDiscoverer::ConvertListToArray(TDesC& aDeviceAddrList)

   120 /**

   121 Put the comma-separated list of readable BT device addresses into an array

   122 */

   123 	{

   124 	TBTDevAddr devAddr;

   125 	TLex lex(aDeviceAddrList);

   126 

   127 	TChar charComma(KCharComma);	// this weird construct is needed to prevent us needing static data

   128 	while(lex.Peek()!=charComma && !lex.Eos())

   129 	{

   130 		lex.Mark();

   131 		while((lex.Get()!=charComma) && !lex.Eos())

   132 			{

   133 			

   134 			}

   135 		devAddr.SetReadable(lex.MarkedToken());

   136 

   137 		// This is a best efforst service.  If we can't add the address

   138 		// to our search list we'll just continue with the ones we could.

   139 		(void)iDeviceAddresses.Append(devAddr);

   140 		}

   141 	}