--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspotfw/hsserver/src/hssscanlist.cpp Thu Dec 17 09:20:28 2009 +0200
@@ -0,0 +1,131 @@
+/*
+* Copyright (c) 2002-2006 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 the ScanList class.
+*
+*/
+
+
+
+#include "hssscanlist.h"
+#include "hssscanoffsets.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+HssScanList::HssScanList():count_m( 0 ), size_m( 0 )
+{
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TUint32 HssScanList::Append( TUint32 size, const HssScanFrame* data_pointer )
+{
+
+ if( AddPadding( size ) >= ( HSS_SCAN_LIST_DATA_SIZE - size_m ) )
+ {
+
+ return HSS_APPEND_FAILED_NO_MEMORY;
+ }
+
+ TUint8* dst = data_m + size_m;
+ const TUint8* src = data_pointer;
+ const TUint8* end = data_pointer + size;
+
+ for ( ; src < end; ++dst, ++src )
+ {
+ *dst = *src;
+ }
+
+ // The checking has to been done after copying it to the buffer
+ // due it relies the buffers limits.
+ if ( CheckData( data_m + size_m ) )
+ { // Add data only if it is valid.
+ size_m += AddPadding( size );
+ ++count_m;
+ }
+
+ return size_m;
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TUint32 HssScanList::Append( TUint32 size )
+{
+
+ if ( CheckData( data_m + size_m ) )
+ { // Add data only if it is valid.
+ size_m += AddPadding( size );
+ ++count_m;
+ }
+
+ return size_m;
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+
+TBool HssScanList::CheckData( HssScanFrame* data ) const
+{
+ // Check that the data is at the range.
+ if ( data < data_m ||
+ data > data_m + size_m ||
+ size_m + sizeof( TUint16 ) > HSS_SCAN_LIST_DATA_SIZE )
+ {
+ return false;
+ }
+
+ // Calculate the length of the data.
+ TUint16 size = static_cast<TUint16>( *( reinterpret_cast<const TUint32*>( data + LENGTH_OFFSET ) ) + CNTRL_HEADER_LEN);
+
+ // Check that the whole data fits to the buffer.
+ if ( data + size > data_m + HSS_SCAN_LIST_DATA_SIZE )
+ {
+ return false;
+ }
+
+ const TUint8* currentIE;
+
+ // Search mandatory IEs.
+ for ( TUint i = 0; i < HSS_MANDATORY_IE_LIST_SIZE; ++i )
+ {
+ // Go through all IEs.
+ for ( currentIE = data + BODY_OFFSET;
+ ; // No condition here -- it is in the loop.
+ currentIE += *( currentIE + 1 ) + 2 )
+ {
+ if ( currentIE < data + size )
+ { // Still searching...
+ if ( *currentIE == HSS_MANDATORY_IE_LIST[i] )
+ { // We have a match! Lets find out the next one.
+ break;
+ }
+ }
+ else
+ { // The IE was not found.
+ return false;
+ }
+ }
+ }
+ // Data is ok.
+ return true;
+}