wlanutilities/wlansniffer/wlaninfo/src/wsfwlaninfoarray.cpp
branchRCL_3
changeset 25 f28ada11abbf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlanutilities/wlansniffer/wlaninfo/src/wsfwlaninfoarray.cpp	Wed Sep 01 12:20:32 2010 +0100
@@ -0,0 +1,517 @@
+/*
+* Copyright (c) 2007-2007 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:  Implementation of CWsfWlanInfoArray
+*
+*/
+
+
+
+//  EXTERNAL INCLUDES
+#include <s32mem.h>
+
+
+//  CLASS HEADER
+#include "wsfwlaninfoarray.h"
+
+
+//  INTERNAL INCLUDES
+#include "wsfwlaninfoarraysortkey.h"
+#include "wsfwlaninfoarrayfiltervisitor.h"
+
+
+using namespace CMManager;
+
+//  LOCAL DEFINITIONS
+static const TUint KInfoArrayGranuality = 10;    
+
+    
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::NewL
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C CWsfWlanInfoArray* CWsfWlanInfoArray::NewL()
+	{
+	CWsfWlanInfoArray* thisPtr = NewLC();
+	CleanupStack::Pop( thisPtr );
+	return thisPtr; 
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::NewLC
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C CWsfWlanInfoArray* CWsfWlanInfoArray::NewLC()
+	{
+	CWsfWlanInfoArray* thisPtr = new ( ELeave ) CWsfWlanInfoArray();
+	CleanupStack::PushL( thisPtr );
+	thisPtr->ConstructL();
+	return thisPtr;
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::~CWsfWlanInfoArray
+// ---------------------------------------------------------------------------
+//    
+CWsfWlanInfoArray::~CWsfWlanInfoArray()
+	{
+	if ( iInfoArray )
+		{
+		iInfoArray->ResetAndDestroy();
+    	delete iInfoArray;		
+		}
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::CWsfWlanInfoArray
+// ---------------------------------------------------------------------------
+//    
+CWsfWlanInfoArray::CWsfWlanInfoArray() :
+    iUIPrioritySort( EFalse )
+	{
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::ConstructL
+// ---------------------------------------------------------------------------
+//    
+void CWsfWlanInfoArray::ConstructL()
+	{
+	iInfoArray = new (ELeave) CArrayPtrFlat<TWsfWlanInfo>( 
+	                                                    KInfoArrayGranuality );
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::Reset
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void CWsfWlanInfoArray::Reset()
+	{
+	iInfoArray->ResetAndDestroy();
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::Count
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TUint CWsfWlanInfoArray::Count()
+	{
+	return iInfoArray->Count();	
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::AppendL
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void CWsfWlanInfoArray::AppendL( TWsfWlanInfo* aWlanInfo )
+	{
+    iInfoArray->AppendL( aWlanInfo );
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::At
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::At( TInt aIndex ) const
+    {
+    TWsfWlanInfo* temp( NULL );
+    TInt count = iInfoArray->Count();
+    
+    if ( count && ( aIndex < count ) )
+        {
+        temp = ( *iInfoArray )[aIndex];
+        } 
+    return temp;
+    }    
+    
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::Delete
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void CWsfWlanInfoArray::Delete( TWsfWlanInfo* aWlanInfo )
+	{
+	TInt count = iInfoArray->Count();
+    
+    for( TInt i = 0; i < count; ++i )
+        {
+        if ( ( *iInfoArray )[i] == aWlanInfo )
+            {
+            delete ( *iInfoArray )[i];
+            iInfoArray->Delete( i );
+            iInfoArray->Compress();
+            break;
+            }
+        }
+
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::GetArrayIndex
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt CWsfWlanInfoArray::GetArrayIndex( TWsfWlanInfo* aWlanInfo ) const
+	{
+	TBool found( EFalse );
+    TInt index( 0 );
+    TWsfWlanInfo* temp;
+    TInt count = iInfoArray->Count();
+
+    while( ( index <  count ) && !found  )
+        {
+        temp = ( *iInfoArray )[index]; 
+        if ( !temp->iSsid.Compare( aWlanInfo->iSsid ) )
+            {
+            found = ETrue;
+            }
+        else
+            {
+            ++index;            
+            }        
+        }
+    return ( found ? index : KErrNotFound );        
+	}	
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::operator[]
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::operator[]( TUint aIndex ) const
+    {
+    return ( *iInfoArray )[aIndex];
+    }	
+    
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::Match
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::Match( const TDesC8& aSsid, 
+                                                 const TInt aPriorThis )
+	{
+	TInt count = iInfoArray->Count();
+    TWsfWlanInfo* ret( NULL );
+
+    count = count < aPriorThis ? count: aPriorThis;
+
+    for( TInt i = 0; i < count; i++ )
+        {
+        TWsfWlanInfo* temp = ( *iInfoArray )[i]; 
+        if ( !temp->iSsid.Compare( aSsid ) )
+            {
+			ret = temp;
+			break;
+            }
+        }
+	return ret;
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::Match
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::Match( const TUint32 aIapID, 
+                                                 const TInt aPriorThis )
+    {
+    TInt count = iInfoArray->Count();
+    TWsfWlanInfo* ret( NULL );
+
+    count = count < aPriorThis ? count: aPriorThis;
+
+    for( TInt i = 0; i < count; i++ )
+        {
+        TWsfWlanInfo* temp = ( *iInfoArray )[i]; 
+        if ( temp->iIapId == aIapID )
+            {
+            ret = temp;
+            break;
+            }
+        }
+    return ret;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::MatchWithIapIDL
+// ---------------------------------------------------------------------------
+//      
+EXPORT_C void CWsfWlanInfoArray::MatchWithIapIDL( const TUint aIapID, 
+                                                   const TInt aPriorThis, 
+                                                   RPointerArray<TWsfWlanInfo>& aMatchArray )
+    {
+    aMatchArray.Reset();
+
+    TInt count = iInfoArray->Count();
+    TWsfWlanInfo* temp(NULL);
+
+    count = count < aPriorThis ? count: aPriorThis;
+
+    for( TInt i = 0; i < count ; i++ )
+        {
+        temp = ( *iInfoArray )[i]; 
+        if( temp->iIapId == aIapID )
+            {
+            aMatchArray.AppendL(temp);
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::MatchL
+// ---------------------------------------------------------------------------
+//    	
+EXPORT_C void CWsfWlanInfoArray::MatchL( const TDesC8& aSsid, 
+                                         CMManager::TWlanSecMode aSecMode, 
+                                         CMManager::TWlanNetMode aNetMode, 
+                                         TBool aUsesPreSharedKey,
+                                         const TInt aPriorThis, 
+                                         RPointerArray<TWsfWlanInfo>& aMatchArray )
+    {
+    aMatchArray.Reset();
+
+    TInt count = iInfoArray->Count();
+    TWsfWlanInfo* temp(NULL);
+
+    count = count < aPriorThis ? count: aPriorThis;
+
+    for( TInt i = 0; i < count ; i++ )
+        {
+        temp = ( *iInfoArray )[i]; 
+        if( !temp->iSsid.Compare( aSsid ) && temp->iSecurityMode == aSecMode  
+                && temp->iNetMode == aNetMode )
+            {
+            aMatchArray.AppendL(temp);
+            }
+        else if ( temp->iIapId && !temp->iSsid.Compare( aSsid ) 
+                    && temp->SecurityMode() == CMManager::EWlanSecMode802_1x 
+                    && temp->iNetMode == aNetMode )
+            {
+            if ( aSecMode == CMManager::EWlanSecModeOpen )
+                {
+                aMatchArray.AppendL(temp);
+                }
+            else if ( aSecMode == CMManager::EWlanSecModeWep )
+                {
+                aMatchArray.AppendL(temp);
+                }
+            else if ( aSecMode == CMManager::EWlanSecModeWpa 
+                        && !aUsesPreSharedKey )
+                {
+                aMatchArray.AppendL(temp);
+                }
+            else if ( aSecMode == CMManager::EWlanSecMode802_1x )
+                {
+                aMatchArray.AppendL(temp);
+                }
+            }
+        }
+    }
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::SerializeContentLC
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C HBufC8* CWsfWlanInfoArray::SerializeContentLC()
+	{
+	HBufC8* buffer( NULL );
+	
+	if ( !iInfoArray->Count() )
+		{
+		buffer = KNullDesC8().AllocLC();
+		}
+	else
+	    {
+    	TInt32 requiredBufferSize = sizeof( TUint32 ) + 
+    	                          iInfoArray->Count() * sizeof( TWsfWlanInfo );
+    	buffer = HBufC8::NewLC( requiredBufferSize );
+    	
+    	// create a stream..
+    	TPtr8 bufferPtr = buffer->Des();
+    	RDesWriteStream writeStream( bufferPtr );
+    	writeStream.Open( bufferPtr);
+    	CleanupClosePushL( writeStream );
+    	writeStream.WriteInt16L( iInfoArray->Count() );
+    	TWsfWlanInfo* infoPtr = NULL;
+     	for ( TInt i( 0 ); i < iInfoArray->Count(); i++)
+     		{
+     		infoPtr = ( *iInfoArray )[i]; 
+     		writeStream << *infoPtr;	
+     		}
+     	writeStream.CommitL();
+     	// try to realloc - save space realloc to required level..
+     	TStreamPos position = writeStream.Sink()->TellL( MStreamBuf::EWrite );
+     
+        CleanupStack::PopAndDestroy( &writeStream ); // closes the stream
+     	CleanupStack::Pop( buffer );
+     	HBufC8* newBuffer = buffer->ReAlloc( position.Offset() );
+    	if ( newBuffer ) // the realloc succeeded - swap the buffer 
+    		{
+    		buffer = newBuffer;
+    		}
+    	CleanupStack::PushL( buffer);		
+	    }
+
+ 	return buffer;
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::AppendFromStreamBufferL
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt CWsfWlanInfoArray::AppendFromStreamBufferL( 
+                                                  const TDesC8& aStreamBuffer )
+	{
+	RDesReadStream reader( aStreamBuffer );
+	reader.Open( aStreamBuffer ); // codescanner false alarm
+	// ignoring Open() return value.. Open returns void
+	CleanupClosePushL( reader );
+	
+	TInt infoCount = reader.ReadInt16L();
+	
+	TWsfWlanInfo *infoPtr = NULL;
+	for ( TInt i(0); i < infoCount; i++ )
+		{
+		infoPtr = new (ELeave)TWsfWlanInfo;
+		CleanupStack::PushL( infoPtr );
+		reader >> *infoPtr;
+		AppendL( infoPtr );
+		CleanupStack::Pop( infoPtr );
+		}
+
+	CleanupStack::PopAndDestroy( &reader ); 
+	return Count();
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::FindHiddenEntry
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TWsfWlanInfo* CWsfWlanInfoArray::FindHiddenEntry( 
+                                                        const TInt aPriorThis )
+	{
+	TInt count = iInfoArray->Count();
+    TWsfWlanInfo* ret( NULL );
+    count = count < aPriorThis ? count : aPriorThis; 
+    
+    for ( TInt i = 0; i < count; ++i )
+        {
+        TWsfWlanInfo* temp = ( *iInfoArray )[i]; 
+        if ( !temp->iVisibility )
+            {
+			ret = temp;
+			break;
+            }
+        }
+	return ret;
+	}
+	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::DeleteFromTail
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt CWsfWlanInfoArray::DeleteFromTail( const TInt aCount )
+	{
+	TInt arrayItemCount = iInfoArray->Count();
+
+	if ( aCount >= arrayItemCount )
+		{
+		iInfoArray->ResetAndDestroy();
+		}
+    else
+        {
+        --arrayItemCount;
+    	for ( TInt i( 1 ) ; i <= aCount; ++i, --arrayItemCount )
+    		{
+          	delete ( *iInfoArray )[arrayItemCount];
+            iInfoArray->Delete( arrayItemCount );
+    		}
+        iInfoArray->Compress();
+        }
+
+    return iInfoArray->Count();
+  	}
+  	
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::SortArrayL
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void CWsfWlanInfoArray::SortArrayL()
+	{
+	if ( iInfoArray->Count() > 1 ) 
+		{
+        CWsfWlanInfoArraySortKey* sortKey = CWsfWlanInfoArraySortKey::NewLC( 
+                                                                       *this );
+
+        // Sort returns KErrGeneral if stack overflow, otherwise, returns
+        // KErrNone. So we will Leave only if stack overflow,
+        // but than that really does not matter...
+        User::LeaveIfError( iInfoArray->Sort( *sortKey ) );	
+
+        CleanupStack::PopAndDestroy( sortKey );
+		}			
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::SortArrayL
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void CWsfWlanInfoArray::SortArrayL( 
+                                     MWsfWlanInfoArrayFilterVisitor& aSortKey )
+	{
+	// the visitor sortkey may do some other stuff too 
+	// so don't make any asumptions...
+	// just go for the sorting...
+	
+	aSortKey.FilterPreSortL( this );
+	
+	User::LeaveIfError( iInfoArray->Sort( aSortKey.SortingKey() ) );
+	
+	aSortKey.FilterPostSortL( this );
+	}
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::SetUIPrioritySort
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void CWsfWlanInfoArray::SetUIPrioritySort( const TBool aUIPrioritySort )
+    {
+    iUIPrioritySort = aUIPrioritySort;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CWsfWlanInfoArray::GetUIPrioritySort
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TBool CWsfWlanInfoArray::GetUIPrioritySort( )
+    {
+    return iUIPrioritySort;
+    }
+