natfw/natfwunsaf_protocols/unsaf_codec/src/natfwunsafusecandidateattribute.cpp
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     1 /*
       
     2 * Copyright (c) 2006-2007 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:   
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include <es_sock.h>
       
    22 #include "natfwunsafusecandidateattribute.h"
       
    23 
       
    24 // -----------------------------------------------------------------------------
       
    25 // CNATFWUNSAFUseCandidateAttribute::NewL
       
    26 // -----------------------------------------------------------------------------
       
    27 //
       
    28 EXPORT_C CNATFWUNSAFUseCandidateAttribute*
       
    29 CNATFWUNSAFUseCandidateAttribute::NewL()
       
    30     {
       
    31     CNATFWUNSAFUseCandidateAttribute* self =
       
    32         CNATFWUNSAFUseCandidateAttribute::NewLC();
       
    33     CleanupStack::Pop(self);
       
    34     return self;
       
    35     }
       
    36 
       
    37 // -----------------------------------------------------------------------------
       
    38 // CNATFWUNSAFUseCandidateAttribute::NewLC
       
    39 // -----------------------------------------------------------------------------
       
    40 //
       
    41 EXPORT_C CNATFWUNSAFUseCandidateAttribute*
       
    42 CNATFWUNSAFUseCandidateAttribute::NewLC()
       
    43     {
       
    44     CNATFWUNSAFUseCandidateAttribute* self =
       
    45         new (ELeave) CNATFWUNSAFUseCandidateAttribute();
       
    46     CleanupStack::PushL(self);
       
    47     return self;
       
    48     }
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CNATFWUNSAFUseCandidateAttribute::DecodeAttributeL
       
    52 // -----------------------------------------------------------------------------
       
    53 //
       
    54 CNATFWUNSAFAttribute*
       
    55 CNATFWUNSAFUseCandidateAttribute::DecodeAttributeL(const TDesC8& aByteStream)
       
    56     {
       
    57     TUint16 valueLength = ParseLengthL(aByteStream);
       
    58 
       
    59     //Stream has to have no data (length=0)
       
    60     __ASSERT_ALWAYS(valueLength == EAttributeValueSize,
       
    61                     User::Leave(KErrCorrupt));
       
    62     __ASSERT_ALWAYS(aByteStream.Length() >= EValueOffset + valueLength,
       
    63                     User::Leave(KErrArgument));
       
    64     return NewL();
       
    65     }
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CNATFWUNSAFUseCandidateAttribute::CNATFWUNSAFUseCandidateAttribute
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 CNATFWUNSAFUseCandidateAttribute::CNATFWUNSAFUseCandidateAttribute() :
       
    72     CNATFWUNSAFAttribute()
       
    73     {
       
    74     }
       
    75 
       
    76 // -----------------------------------------------------------------------------
       
    77 // CNATFWUNSAFUseCandidateAttribute::~CNATFWUNSAFUseCandidateAttribute
       
    78 // -----------------------------------------------------------------------------
       
    79 //
       
    80 CNATFWUNSAFUseCandidateAttribute::~CNATFWUNSAFUseCandidateAttribute()
       
    81     {
       
    82     }
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CNATFWUNSAFUseCandidateAttribute::Type
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 CNATFWUNSAFAttribute::TType CNATFWUNSAFUseCandidateAttribute::Type() const
       
    89     {
       
    90     return EUseCandidate;
       
    91     }
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CNATFWUNSAFUseCandidateAttribute::EncodeValueL
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 HBufC8* CNATFWUNSAFUseCandidateAttribute::EncodeValueL() const
       
    98     {
       
    99     //An empty buffer is returned since this attribute contains no data.
       
   100     return HBufC8::NewL(EAttributeValueSize);
       
   101     }