syncmlfw/common/obex/obexclient/src/NSmlBTServiceSearcher.cpp
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     1 /*
       
     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  SyncML Obex client
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "NSmlBTServiceSearcher.h"
       
    20 
       
    21 //============================================================
       
    22 // CNSmlBTServiceSearcher definition
       
    23 //============================================================
       
    24 
       
    25 //------------------------------------------------------------
       
    26 // CNSmlBTServiceSearcher::CNSmlBTServiceSearcher()
       
    27 //------------------------------------------------------------
       
    28 CNSmlBTServiceSearcher::CNSmlBTServiceSearcher( const TBTConnInfo& aBTConnInfo )
       
    29 :  iIsDeviceSelectorConnected(EFalse),
       
    30    iBTConnInfo( aBTConnInfo )
       
    31     {
       
    32 	iResponse().SetDeviceAddress( aBTConnInfo.iDevAddr );
       
    33     }
       
    34 //------------------------------------------------------------
       
    35 // CNSmlBTServiceSearcher::~CNSmlBTServiceSearcher()
       
    36 //------------------------------------------------------------
       
    37 CNSmlBTServiceSearcher::~CNSmlBTServiceSearcher()
       
    38     {
       
    39     if( iIsDeviceSelectorConnected )
       
    40         {
       
    41         iDeviceSelector.CancelNotifier( KDeviceSelectionNotifierUid );
       
    42         iDeviceSelector.Close();
       
    43         }
       
    44 	Finished();
       
    45     delete iSdpSearchPattern;
       
    46     iSdpSearchPattern = NULL;
       
    47 
       
    48     delete iAgent;
       
    49     iAgent = NULL;
       
    50     }
       
    51 //------------------------------------------------------------
       
    52 // CNSmlBTServiceSearcher::SelectDeviceByDiscoveryL( TRequestStatus& aObserverRequestStatus )
       
    53 //------------------------------------------------------------
       
    54 void CNSmlBTServiceSearcher::SelectDeviceByDiscoveryL( TRequestStatus& aObserverRequestStatus )
       
    55     {
       
    56      if( !iIsDeviceSelectorConnected )
       
    57         {
       
    58         User::LeaveIfError( iDeviceSelector.Connect() );
       
    59         iIsDeviceSelectorConnected = ETrue;
       
    60         }
       
    61 
       
    62     //  Request a device selection 
       
    63 	TBTDeviceClass deviceClass(0 ,0 ,0);
       
    64 	
       
    65     TBTDeviceSelectionParams parameters;
       
    66     parameters.SetDeviceClass(deviceClass);
       
    67 	
       
    68     TBTDeviceSelectionParamsPckg pckg(parameters);
       
    69 
       
    70 	pckg().SetUUID( iBTConnInfo.iServiceClass );
       
    71 
       
    72     iDeviceSelector.StartNotifierAndGetResponse(
       
    73          aObserverRequestStatus, 
       
    74          KDeviceSelectionNotifierUid, 
       
    75          /*selectionFilter*/pckg, 
       
    76          iResponse);
       
    77 
       
    78 
       
    79     }
       
    80 //------------------------------------------------------------
       
    81 // CNSmlBTServiceSearcher::FindServiceL( TRequestStatus& aObserverRequestStatus )
       
    82 //------------------------------------------------------------
       
    83 void CNSmlBTServiceSearcher::FindServiceL( TRequestStatus& aObserverRequestStatus )
       
    84     {
       
    85     if( !iResponse().IsValidBDAddr() )
       
    86         {
       
    87         User::Leave( KErrNotFound );
       
    88         }
       
    89 			
       
    90 	iHasFoundService = EFalse;
       
    91 
       
    92 	// delete any existing agent and search pattern
       
    93 	delete iSdpSearchPattern;
       
    94 	iSdpSearchPattern = NULL;
       
    95 
       
    96 	delete iAgent;
       
    97 	iAgent = NULL;
       
    98 
       
    99 	iAgent = CSdpAgent::NewL( *this, BTDevAddr() );
       
   100 
       
   101 	iSdpSearchPattern = CSdpSearchPattern::NewL();
       
   102 	iSdpSearchPattern->AddL( iBTConnInfo.iServiceClass ); 
       
   103 
       
   104 	iAgent->SetRecordFilterL( *iSdpSearchPattern );
       
   105 
       
   106 	iStatusObserver = &aObserverRequestStatus;
       
   107 
       
   108 	iAgent->NextRecordRequestL();
       
   109 	}
       
   110 //------------------------------------------------------------
       
   111 // CNSmlBTServiceSearcher::NextRecordRequestComplete( TInt aError, TSdpServRecordHandle aHandle, TInt aTotalRecordsCount )
       
   112 //------------------------------------------------------------
       
   113 void CNSmlBTServiceSearcher::NextRecordRequestComplete( TInt aError, TSdpServRecordHandle aHandle, TInt aTotalRecordsCount )
       
   114     {
       
   115     TRAPD( error, NextRecordRequestCompleteL( aError, aHandle, aTotalRecordsCount) );
       
   116     if ( error != KErrNone ) 
       
   117         {
       
   118         Panic( EBTServiceSearcherNextRecordRequestComplete );
       
   119         }
       
   120     }
       
   121 //------------------------------------------------------------
       
   122 // CNSmlBTServiceSearcher::NextRecordRequestCompleteL( TInt aError, TSdpServRecordHandle aHandle, TInt aTotalRecordsCount )
       
   123 //------------------------------------------------------------
       
   124 void CNSmlBTServiceSearcher::NextRecordRequestCompleteL( TInt aError, TSdpServRecordHandle aHandle, TInt aTotalRecordsCount )
       
   125     {
       
   126     if ( aError == KErrEof )
       
   127         {
       
   128         Finished();
       
   129         return;
       
   130         }
       
   131 
       
   132     if ( aError != KErrNone )
       
   133         {
       
   134         Finished( aError );
       
   135         return;
       
   136         }
       
   137 
       
   138     if ( aTotalRecordsCount == 0 )
       
   139         {
       
   140         Finished( KErrNotFound );
       
   141         return;
       
   142         }
       
   143 
       
   144     //  Request its attributes
       
   145     iAgent->AttributeRequestL( aHandle, KSdpAttrIdProtocolDescriptorList );
       
   146     }
       
   147 //------------------------------------------------------------
       
   148 // CNSmlBTServiceSearcher::AttributeRequestResult()
       
   149 //------------------------------------------------------------
       
   150 void CNSmlBTServiceSearcher::AttributeRequestResult(
       
   151     TSdpServRecordHandle aHandle, 
       
   152     TSdpAttributeID aAttrID, 
       
   153     CSdpAttrValue* aAttrValue)
       
   154     {
       
   155     TRAPD( error, AttributeRequestResultL( aHandle, aAttrID, aAttrValue ) );
       
   156     
       
   157     //deleted because ownership has been transferred    
       
   158     delete aAttrValue;
       
   159     aAttrValue = NULL;
       
   160     
       
   161     if( error != KErrNone )
       
   162         {
       
   163         Panic(EBTServiceSearcherAttributeRequestResult);
       
   164         }
       
   165     }
       
   166 //------------------------------------------------------------
       
   167 // CNSmlBTServiceSearcher::AttributeRequestResultL()
       
   168 //------------------------------------------------------------
       
   169 void CNSmlBTServiceSearcher::AttributeRequestResultL(
       
   170     TSdpServRecordHandle /*aHandle*/, 
       
   171     TSdpAttributeID aAttrID, 
       
   172     CSdpAttrValue* aAttrValue)
       
   173     {
       
   174     
       
   175     ASSERT( aAttrID == KSdpAttrIdProtocolDescriptorList );
       
   176 
       
   177     TSdpAttributeParser parser( ProtocolList(), *this );
       
   178 
       
   179     // Validate the attribute value, and extract the RFCOMM channel
       
   180     aAttrValue->AcceptVisitorL( parser );
       
   181 
       
   182     if ( parser.HasFinished() )
       
   183         {
       
   184         // Found a suitable record so change state
       
   185         iHasFoundService = ETrue;
       
   186         }
       
   187     }
       
   188 //------------------------------------------------------------
       
   189 // CNSmlBTServiceSearcher::AttributeRequestComplete()
       
   190 //------------------------------------------------------------
       
   191 void CNSmlBTServiceSearcher::AttributeRequestComplete(TSdpServRecordHandle aHandle, TInt aError)
       
   192     {
       
   193     TRAPD( error, AttributeRequestCompleteL( aHandle, aError ) );
       
   194     if( error != KErrNone )
       
   195         {
       
   196         Panic( EBTServiceSearcherAttributeRequestComplete );
       
   197         }
       
   198     }
       
   199 //------------------------------------------------------------
       
   200 // CNSmlBTServiceSearcher::AttributeRequestCompleteL()
       
   201 //------------------------------------------------------------
       
   202 void CNSmlBTServiceSearcher::AttributeRequestCompleteL(TSdpServRecordHandle /*aHandle*/, TInt aError)
       
   203     {
       
   204     if ( aError != KErrNone )
       
   205         {
       
   206         }
       
   207     else if( !HasFinishedSearching() )
       
   208         {
       
   209         // have not found a suitable record so request another
       
   210         iAgent->NextRecordRequestL();
       
   211         }
       
   212     else
       
   213         {
       
   214         Finished();
       
   215         }
       
   216     }
       
   217 //------------------------------------------------------------
       
   218 // CNSmlBTServiceSearcher::Finished()
       
   219 //------------------------------------------------------------
       
   220 void CNSmlBTServiceSearcher::Finished(TInt aError /* default = KErrNone */)
       
   221     {
       
   222     if( aError == KErrNone && !HasFoundService() )
       
   223         {
       
   224         aError = KErrNotFound;
       
   225         }
       
   226 	if ( iStatusObserver )
       
   227 		{
       
   228 		if ( *iStatusObserver == KRequestPending )
       
   229 			{
       
   230 			User::RequestComplete( iStatusObserver, aError );
       
   231 			}
       
   232 		}
       
   233     }
       
   234 //------------------------------------------------------------
       
   235 // CNSmlBTServiceSearcher::HasFinishedSearching()
       
   236 //------------------------------------------------------------
       
   237 TBool CNSmlBTServiceSearcher::HasFinishedSearching() const
       
   238     {
       
   239     return EFalse;
       
   240     }
       
   241 //------------------------------------------------------------
       
   242 // CNSmlBTServiceSearcher::BTDevAddr()
       
   243 //------------------------------------------------------------
       
   244 const TBTDevAddr& CNSmlBTServiceSearcher::BTDevAddr()
       
   245     {
       
   246     return iResponse().BDAddr();
       
   247     }
       
   248 //------------------------------------------------------------
       
   249 // CNSmlBTServiceSearcher::ResponseParams()
       
   250 //------------------------------------------------------------
       
   251 const TBTDeviceResponseParams& CNSmlBTServiceSearcher::ResponseParams()
       
   252     {
       
   253     return iResponse();
       
   254     }
       
   255 //------------------------------------------------------------
       
   256 // CNSmlBTServiceSearcher::HasFoundService()
       
   257 //------------------------------------------------------------
       
   258 TBool CNSmlBTServiceSearcher::HasFoundService() const
       
   259     {
       
   260     return iHasFoundService;
       
   261     }