wlanutilities/wlansniffer/wlaninfo/src/wsfwlaninfoarray.cpp
branchRCL_3
changeset 24 63be7eb3fc78
parent 23 b852595f5cbe
child 25 f28ada11abbf
equal deleted inserted replaced
23:b852595f5cbe 24:63be7eb3fc78
     1 /*
       
     2 * Copyright (c) 2007-2007 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:  Implementation of CWsfWlanInfoArray
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 //  EXTERNAL INCLUDES
       
    21 #include <s32mem.h>
       
    22 
       
    23 
       
    24 //  CLASS HEADER
       
    25 #include "wsfwlaninfoarray.h"
       
    26 
       
    27 
       
    28 //  INTERNAL INCLUDES
       
    29 #include "wsfwlaninfoarraysortkey.h"
       
    30 #include "wsfwlaninfoarrayfiltervisitor.h"
       
    31 
       
    32 
       
    33 using namespace CMManager;
       
    34 
       
    35 //  LOCAL DEFINITIONS
       
    36 static const TUint KInfoArrayGranuality = 10;    
       
    37 
       
    38     
       
    39 // ---------------------------------------------------------------------------
       
    40 // CWsfWlanInfoArray::NewL
       
    41 // ---------------------------------------------------------------------------
       
    42 //    
       
    43 EXPORT_C CWsfWlanInfoArray* CWsfWlanInfoArray::NewL()
       
    44 	{
       
    45 	CWsfWlanInfoArray* thisPtr = NewLC();
       
    46 	CleanupStack::Pop( thisPtr );
       
    47 	return thisPtr; 
       
    48 	}
       
    49 
       
    50 
       
    51 // ---------------------------------------------------------------------------
       
    52 // CWsfWlanInfoArray::NewLC
       
    53 // ---------------------------------------------------------------------------
       
    54 //    
       
    55 EXPORT_C CWsfWlanInfoArray* CWsfWlanInfoArray::NewLC()
       
    56 	{
       
    57 	CWsfWlanInfoArray* thisPtr = new ( ELeave ) CWsfWlanInfoArray();
       
    58 	CleanupStack::PushL( thisPtr );
       
    59 	thisPtr->ConstructL();
       
    60 	return thisPtr;
       
    61 	}
       
    62 
       
    63 
       
    64 // ---------------------------------------------------------------------------
       
    65 // CWsfWlanInfoArray::~CWsfWlanInfoArray
       
    66 // ---------------------------------------------------------------------------
       
    67 //    
       
    68 CWsfWlanInfoArray::~CWsfWlanInfoArray()
       
    69 	{
       
    70 	if ( iInfoArray )
       
    71 		{
       
    72 		iInfoArray->ResetAndDestroy();
       
    73     	delete iInfoArray;		
       
    74 		}
       
    75 	}
       
    76 
       
    77 
       
    78 // ---------------------------------------------------------------------------
       
    79 // CWsfWlanInfoArray::CWsfWlanInfoArray
       
    80 // ---------------------------------------------------------------------------
       
    81 //    
       
    82 CWsfWlanInfoArray::CWsfWlanInfoArray() :
       
    83     iUIPrioritySort( EFalse )
       
    84 	{
       
    85 	}
       
    86 	
       
    87 
       
    88 // ---------------------------------------------------------------------------
       
    89 // CWsfWlanInfoArray::ConstructL
       
    90 // ---------------------------------------------------------------------------
       
    91 //    
       
    92 void CWsfWlanInfoArray::ConstructL()
       
    93 	{
       
    94 	iInfoArray = new (ELeave) CArrayPtrFlat<TWsfWlanInfo>( 
       
    95 	                                                    KInfoArrayGranuality );
       
    96 	}
       
    97 	
       
    98 
       
    99 // ---------------------------------------------------------------------------
       
   100 // CWsfWlanInfoArray::Reset
       
   101 // ---------------------------------------------------------------------------
       
   102 //    
       
   103 EXPORT_C void CWsfWlanInfoArray::Reset()
       
   104 	{
       
   105 	iInfoArray->ResetAndDestroy();
       
   106 	}
       
   107 	
       
   108 
       
   109 // ---------------------------------------------------------------------------
       
   110 // CWsfWlanInfoArray::Count
       
   111 // ---------------------------------------------------------------------------
       
   112 //    
       
   113 EXPORT_C TUint CWsfWlanInfoArray::Count()
       
   114 	{
       
   115 	return iInfoArray->Count();	
       
   116 	}
       
   117 	
       
   118 
       
   119 // ---------------------------------------------------------------------------
       
   120 // CWsfWlanInfoArray::AppendL
       
   121 // ---------------------------------------------------------------------------
       
   122 //    
       
   123 EXPORT_C void CWsfWlanInfoArray::AppendL( TWsfWlanInfo* aWlanInfo )
       
   124 	{
       
   125     iInfoArray->AppendL( aWlanInfo );
       
   126 	}
       
   127 
       
   128 
       
   129 // ---------------------------------------------------------------------------
       
   130 // CWsfWlanInfoArray::At
       
   131 // ---------------------------------------------------------------------------
       
   132 //    
       
   133 EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::At( TInt aIndex ) const
       
   134     {
       
   135     TWsfWlanInfo* temp( NULL );
       
   136     TInt count = iInfoArray->Count();
       
   137     
       
   138     if ( count && ( aIndex < count ) )
       
   139         {
       
   140         temp = ( *iInfoArray )[aIndex];
       
   141         } 
       
   142     return temp;
       
   143     }    
       
   144     
       
   145 
       
   146 // ---------------------------------------------------------------------------
       
   147 // CWsfWlanInfoArray::Delete
       
   148 // ---------------------------------------------------------------------------
       
   149 //    
       
   150 EXPORT_C void CWsfWlanInfoArray::Delete( TWsfWlanInfo* aWlanInfo )
       
   151 	{
       
   152 	TInt count = iInfoArray->Count();
       
   153     
       
   154     for( TInt i = 0; i < count; ++i )
       
   155         {
       
   156         if ( ( *iInfoArray )[i] == aWlanInfo )
       
   157             {
       
   158             delete ( *iInfoArray )[i];
       
   159             iInfoArray->Delete( i );
       
   160             iInfoArray->Compress();
       
   161             break;
       
   162             }
       
   163         }
       
   164 
       
   165 	}
       
   166 	
       
   167 
       
   168 // ---------------------------------------------------------------------------
       
   169 // CWsfWlanInfoArray::GetArrayIndex
       
   170 // ---------------------------------------------------------------------------
       
   171 //    
       
   172 EXPORT_C TInt CWsfWlanInfoArray::GetArrayIndex( TWsfWlanInfo* aWlanInfo ) const
       
   173 	{
       
   174 	TBool found( EFalse );
       
   175     TInt index( 0 );
       
   176     TWsfWlanInfo* temp;
       
   177     TInt count = iInfoArray->Count();
       
   178 
       
   179     while( ( index <  count ) && !found  )
       
   180         {
       
   181         temp = ( *iInfoArray )[index]; 
       
   182         if ( !temp->iSsid.Compare( aWlanInfo->iSsid ) )
       
   183             {
       
   184             found = ETrue;
       
   185             }
       
   186         else
       
   187             {
       
   188             ++index;            
       
   189             }        
       
   190         }
       
   191     return ( found ? index : KErrNotFound );        
       
   192 	}	
       
   193 	
       
   194 
       
   195 // ---------------------------------------------------------------------------
       
   196 // CWsfWlanInfoArray::operator[]
       
   197 // ---------------------------------------------------------------------------
       
   198 //    
       
   199 EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::operator[]( TUint aIndex ) const
       
   200     {
       
   201     return ( *iInfoArray )[aIndex];
       
   202     }	
       
   203     
       
   204 
       
   205 // ---------------------------------------------------------------------------
       
   206 // CWsfWlanInfoArray::Match
       
   207 // ---------------------------------------------------------------------------
       
   208 //    
       
   209 EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::Match( const TDesC8& aSsid, 
       
   210                                                  const TInt aPriorThis )
       
   211 	{
       
   212 	TInt count = iInfoArray->Count();
       
   213     TWsfWlanInfo* ret( NULL );
       
   214 
       
   215     count = count < aPriorThis ? count: aPriorThis;
       
   216 
       
   217     for( TInt i = 0; i < count; i++ )
       
   218         {
       
   219         TWsfWlanInfo* temp = ( *iInfoArray )[i]; 
       
   220         if ( !temp->iSsid.Compare( aSsid ) )
       
   221             {
       
   222 			ret = temp;
       
   223 			break;
       
   224             }
       
   225         }
       
   226 	return ret;
       
   227 	}
       
   228 
       
   229 
       
   230 // ---------------------------------------------------------------------------
       
   231 // CWsfWlanInfoArray::Match
       
   232 // ---------------------------------------------------------------------------
       
   233 //    
       
   234 EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::Match( const TUint32 aIapID, 
       
   235                                                  const TInt aPriorThis )
       
   236     {
       
   237     TInt count = iInfoArray->Count();
       
   238     TWsfWlanInfo* ret( NULL );
       
   239 
       
   240     count = count < aPriorThis ? count: aPriorThis;
       
   241 
       
   242     for( TInt i = 0; i < count; i++ )
       
   243         {
       
   244         TWsfWlanInfo* temp = ( *iInfoArray )[i]; 
       
   245         if ( temp->iIapId == aIapID )
       
   246             {
       
   247             ret = temp;
       
   248             break;
       
   249             }
       
   250         }
       
   251     return ret;
       
   252     }
       
   253 
       
   254 
       
   255 // ---------------------------------------------------------------------------
       
   256 // CWsfWlanInfoArray::MatchWithIapIDL
       
   257 // ---------------------------------------------------------------------------
       
   258 //      
       
   259 EXPORT_C void CWsfWlanInfoArray::MatchWithIapIDL( const TUint aIapID, 
       
   260                                                    const TInt aPriorThis, 
       
   261                                                    RPointerArray<TWsfWlanInfo>& aMatchArray )
       
   262     {
       
   263     aMatchArray.Reset();
       
   264 
       
   265     TInt count = iInfoArray->Count();
       
   266     TWsfWlanInfo* temp(NULL);
       
   267 
       
   268     count = count < aPriorThis ? count: aPriorThis;
       
   269 
       
   270     for( TInt i = 0; i < count ; i++ )
       
   271         {
       
   272         temp = ( *iInfoArray )[i]; 
       
   273         if( temp->iIapId == aIapID )
       
   274             {
       
   275             aMatchArray.AppendL(temp);
       
   276             }
       
   277         }
       
   278     }
       
   279 
       
   280 
       
   281 // ---------------------------------------------------------------------------
       
   282 // CWsfWlanInfoArray::MatchL
       
   283 // ---------------------------------------------------------------------------
       
   284 //    	
       
   285 EXPORT_C void CWsfWlanInfoArray::MatchL( const TDesC8& aSsid, 
       
   286                                          CMManager::TWlanSecMode aSecMode, 
       
   287                                          CMManager::TWlanNetMode aNetMode, 
       
   288                                          TBool aUsesPreSharedKey,
       
   289                                          const TInt aPriorThis, 
       
   290                                          RPointerArray<TWsfWlanInfo>& aMatchArray )
       
   291     {
       
   292     aMatchArray.Reset();
       
   293 
       
   294     TInt count = iInfoArray->Count();
       
   295     TWsfWlanInfo* temp(NULL);
       
   296 
       
   297     count = count < aPriorThis ? count: aPriorThis;
       
   298 
       
   299     for( TInt i = 0; i < count ; i++ )
       
   300         {
       
   301         temp = ( *iInfoArray )[i]; 
       
   302         if( !temp->iSsid.Compare( aSsid ) && temp->iSecurityMode == aSecMode  
       
   303                 && temp->iNetMode == aNetMode )
       
   304             {
       
   305             aMatchArray.AppendL(temp);
       
   306             }
       
   307         else if ( temp->iIapId && !temp->iSsid.Compare( aSsid ) 
       
   308                     && temp->SecurityMode() == CMManager::EWlanSecMode802_1x 
       
   309                     && temp->iNetMode == aNetMode )
       
   310             {
       
   311             if ( aSecMode == CMManager::EWlanSecModeOpen )
       
   312                 {
       
   313                 aMatchArray.AppendL(temp);
       
   314                 }
       
   315             else if ( aSecMode == CMManager::EWlanSecModeWep )
       
   316                 {
       
   317                 aMatchArray.AppendL(temp);
       
   318                 }
       
   319             else if ( aSecMode == CMManager::EWlanSecModeWpa 
       
   320                         && !aUsesPreSharedKey )
       
   321                 {
       
   322                 aMatchArray.AppendL(temp);
       
   323                 }
       
   324             else if ( aSecMode == CMManager::EWlanSecMode802_1x )
       
   325                 {
       
   326                 aMatchArray.AppendL(temp);
       
   327                 }
       
   328             }
       
   329         }
       
   330     }
       
   331 // ---------------------------------------------------------------------------
       
   332 // CWsfWlanInfoArray::SerializeContentLC
       
   333 // ---------------------------------------------------------------------------
       
   334 //    
       
   335 EXPORT_C HBufC8* CWsfWlanInfoArray::SerializeContentLC()
       
   336 	{
       
   337 	HBufC8* buffer( NULL );
       
   338 	
       
   339 	if ( !iInfoArray->Count() )
       
   340 		{
       
   341 		buffer = KNullDesC8().AllocLC();
       
   342 		}
       
   343 	else
       
   344 	    {
       
   345     	TInt32 requiredBufferSize = sizeof( TUint32 ) + 
       
   346     	                          iInfoArray->Count() * sizeof( TWsfWlanInfo );
       
   347     	buffer = HBufC8::NewLC( requiredBufferSize );
       
   348     	
       
   349     	// create a stream..
       
   350     	TPtr8 bufferPtr = buffer->Des();
       
   351     	RDesWriteStream writeStream( bufferPtr );
       
   352     	writeStream.Open( bufferPtr);
       
   353     	CleanupClosePushL( writeStream );
       
   354     	writeStream.WriteInt16L( iInfoArray->Count() );
       
   355     	TWsfWlanInfo* infoPtr = NULL;
       
   356      	for ( TInt i( 0 ); i < iInfoArray->Count(); i++)
       
   357      		{
       
   358      		infoPtr = ( *iInfoArray )[i]; 
       
   359      		writeStream << *infoPtr;	
       
   360      		}
       
   361      	writeStream.CommitL();
       
   362      	// try to realloc - save space realloc to required level..
       
   363      	TStreamPos position = writeStream.Sink()->TellL( MStreamBuf::EWrite );
       
   364      
       
   365         CleanupStack::PopAndDestroy( &writeStream ); // closes the stream
       
   366      	CleanupStack::Pop( buffer );
       
   367      	HBufC8* newBuffer = buffer->ReAlloc( position.Offset() );
       
   368     	if ( newBuffer ) // the realloc succeeded - swap the buffer 
       
   369     		{
       
   370     		buffer = newBuffer;
       
   371     		}
       
   372     	CleanupStack::PushL( buffer);		
       
   373 	    }
       
   374 
       
   375  	return buffer;
       
   376 	}
       
   377 	
       
   378 
       
   379 // ---------------------------------------------------------------------------
       
   380 // CWsfWlanInfoArray::AppendFromStreamBufferL
       
   381 // ---------------------------------------------------------------------------
       
   382 //    
       
   383 EXPORT_C TInt CWsfWlanInfoArray::AppendFromStreamBufferL( 
       
   384                                                   const TDesC8& aStreamBuffer )
       
   385 	{
       
   386 	RDesReadStream reader( aStreamBuffer );
       
   387 	reader.Open( aStreamBuffer ); // codescanner false alarm
       
   388 	// ignoring Open() return value.. Open returns void
       
   389 	CleanupClosePushL( reader );
       
   390 	
       
   391 	TInt infoCount = reader.ReadInt16L();
       
   392 	
       
   393 	TWsfWlanInfo *infoPtr = NULL;
       
   394 	for ( TInt i(0); i < infoCount; i++ )
       
   395 		{
       
   396 		infoPtr = new (ELeave)TWsfWlanInfo;
       
   397 		CleanupStack::PushL( infoPtr );
       
   398 		reader >> *infoPtr;
       
   399 		AppendL( infoPtr );
       
   400 		CleanupStack::Pop( infoPtr );
       
   401 		}
       
   402 
       
   403 	CleanupStack::PopAndDestroy( &reader ); 
       
   404 	return Count();
       
   405 	}
       
   406 	
       
   407 
       
   408 // ---------------------------------------------------------------------------
       
   409 // CWsfWlanInfoArray::FindHiddenEntry
       
   410 // ---------------------------------------------------------------------------
       
   411 //    
       
   412 EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::FindHiddenEntry( 
       
   413                                                         const TInt aPriorThis )
       
   414 	{
       
   415 	TInt count = iInfoArray->Count();
       
   416     TWsfWlanInfo* ret( NULL );
       
   417     count = count < aPriorThis ? count : aPriorThis; 
       
   418     
       
   419     for ( TInt i = 0; i < count; ++i )
       
   420         {
       
   421         TWsfWlanInfo* temp = ( *iInfoArray )[i]; 
       
   422         if ( !temp->iVisibility )
       
   423             {
       
   424 			ret = temp;
       
   425 			break;
       
   426             }
       
   427         }
       
   428 	return ret;
       
   429 	}
       
   430 	
       
   431 
       
   432 // ---------------------------------------------------------------------------
       
   433 // CWsfWlanInfoArray::DeleteFromTail
       
   434 // ---------------------------------------------------------------------------
       
   435 //    
       
   436 EXPORT_C TInt CWsfWlanInfoArray::DeleteFromTail( const TInt aCount )
       
   437 	{
       
   438 	TInt arrayItemCount = iInfoArray->Count();
       
   439 
       
   440 	if ( aCount >= arrayItemCount )
       
   441 		{
       
   442 		iInfoArray->ResetAndDestroy();
       
   443 		}
       
   444     else
       
   445         {
       
   446         --arrayItemCount;
       
   447     	for ( TInt i( 1 ) ; i <= aCount; ++i, --arrayItemCount )
       
   448     		{
       
   449           	delete ( *iInfoArray )[arrayItemCount];
       
   450             iInfoArray->Delete( arrayItemCount );
       
   451     		}
       
   452         iInfoArray->Compress();
       
   453         }
       
   454 
       
   455     return iInfoArray->Count();
       
   456   	}
       
   457   	
       
   458 
       
   459 // ---------------------------------------------------------------------------
       
   460 // CWsfWlanInfoArray::SortArrayL
       
   461 // ---------------------------------------------------------------------------
       
   462 //    
       
   463 EXPORT_C void CWsfWlanInfoArray::SortArrayL()
       
   464 	{
       
   465 	if ( iInfoArray->Count() > 1 ) 
       
   466 		{
       
   467         CWsfWlanInfoArraySortKey* sortKey = CWsfWlanInfoArraySortKey::NewLC( 
       
   468                                                                        *this );
       
   469 
       
   470         // Sort returns KErrGeneral if stack overflow, otherwise, returns
       
   471         // KErrNone. So we will Leave only if stack overflow,
       
   472         // but than that really does not matter...
       
   473         User::LeaveIfError( iInfoArray->Sort( *sortKey ) );	
       
   474 
       
   475         CleanupStack::PopAndDestroy( sortKey );
       
   476 		}			
       
   477 	}
       
   478 
       
   479 
       
   480 // ---------------------------------------------------------------------------
       
   481 // CWsfWlanInfoArray::SortArrayL
       
   482 // ---------------------------------------------------------------------------
       
   483 //    
       
   484 EXPORT_C void CWsfWlanInfoArray::SortArrayL( 
       
   485                                      MWsfWlanInfoArrayFilterVisitor& aSortKey )
       
   486 	{
       
   487 	// the visitor sortkey may do some other stuff too 
       
   488 	// so don't make any asumptions...
       
   489 	// just go for the sorting...
       
   490 	
       
   491 	aSortKey.FilterPreSortL( this );
       
   492 	
       
   493 	User::LeaveIfError( iInfoArray->Sort( aSortKey.SortingKey() ) );
       
   494 	
       
   495 	aSortKey.FilterPostSortL( this );
       
   496 	}
       
   497 
       
   498 
       
   499 // ---------------------------------------------------------------------------
       
   500 // CWsfWlanInfoArray::SetUIPrioritySort
       
   501 // ---------------------------------------------------------------------------
       
   502 //    
       
   503 EXPORT_C void CWsfWlanInfoArray::SetUIPrioritySort( const TBool aUIPrioritySort )
       
   504     {
       
   505     iUIPrioritySort = aUIPrioritySort;
       
   506     }
       
   507 
       
   508 
       
   509 // ---------------------------------------------------------------------------
       
   510 // CWsfWlanInfoArray::GetUIPrioritySort
       
   511 // ---------------------------------------------------------------------------
       
   512 //    
       
   513 EXPORT_C TBool CWsfWlanInfoArray::GetUIPrioritySort( )
       
   514     {
       
   515     return iUIPrioritySort;
       
   516     }
       
   517