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 "natfwunsafchangerequestattribute.h"

    23 #include "natfwunsafutils.h"

    24 

    25 // -----------------------------------------------------------------------------

    26 // CNATFWUNSAFChangeRequestAttribute::NewL

    27 // -----------------------------------------------------------------------------

    28 //

    29 CNATFWUNSAFChangeRequestAttribute*

    30 CNATFWUNSAFChangeRequestAttribute::NewL(TBool aChangeIP, TBool aChangePort)

    31     {

    32     CNATFWUNSAFChangeRequestAttribute* self =

    33         CNATFWUNSAFChangeRequestAttribute::NewLC(aChangeIP, aChangePort);

    34     CleanupStack::Pop(self);

    35     return self;

    36     }

    37 

    38 // -----------------------------------------------------------------------------

    39 // CNATFWUNSAFChangeRequestAttribute::NewLC

    40 // -----------------------------------------------------------------------------

    41 //

    42 CNATFWUNSAFChangeRequestAttribute*

    43 CNATFWUNSAFChangeRequestAttribute::NewLC(TBool aChangeIP, TBool aChangePort)

    44     {

    45     CNATFWUNSAFChangeRequestAttribute* self =

    46         new (ELeave) CNATFWUNSAFChangeRequestAttribute(aChangeIP, aChangePort);

    47     CleanupStack::PushL(self);

    48     return self;

    49     }

    50 

    51 // -----------------------------------------------------------------------------

    52 // CNATFWUNSAFChangeRequestAttribute::DecodeAttributeL

    53 // -----------------------------------------------------------------------------

    54 //

    55 CNATFWUNSAFAttribute*

    56 CNATFWUNSAFChangeRequestAttribute::DecodeAttributeL(const TDesC8& aByteStream)

    57     {

    58     TUint16 valueLength = ParseLengthL(aByteStream);

    59     __ASSERT_ALWAYS(valueLength == EAttributeValueSize,

    60                     User::Leave(KErrCorrupt));

    61     __ASSERT_ALWAYS(aByteStream.Length() >= EValueOffset + valueLength,

    62                     User::Leave(KErrArgument));

    63 

    64     TUint32 value = BigEndian::Get32(aByteStream.Mid(EValueOffset).Ptr());

    65 

    66     return NewL((value & EChangeIPMask) > 0, (value & EChangePortMask) > 0);

    67     }

    68 

    69 // -----------------------------------------------------------------------------

    70 // CNATFWUNSAFChangeRequestAttribute::CNATFWUNSAFChangeRequestAttribute

    71 // -----------------------------------------------------------------------------

    72 //

    73 CNATFWUNSAFChangeRequestAttribute::CNATFWUNSAFChangeRequestAttribute(

    74     TBool aChangeIP, TBool aChangePort) :

    75     CNATFWUNSAFAttribute(),

    76     iChangeIP(aChangeIP),

    77     iChangePort(aChangePort)

    78     {

    79     }

    80 

    81 // -----------------------------------------------------------------------------

    82 // CNATFWUNSAFChangeRequestAttribute::~CNATFWUNSAFChangeRequestAttribute

    83 // -----------------------------------------------------------------------------

    84 //

    85 CNATFWUNSAFChangeRequestAttribute::~CNATFWUNSAFChangeRequestAttribute()

    86     {

    87     }

    88 

    89 // -----------------------------------------------------------------------------

    90 // CNATFWUNSAFChangeRequestAttribute::Type

    91 // -----------------------------------------------------------------------------

    92 //

    93 CNATFWUNSAFAttribute::TType CNATFWUNSAFChangeRequestAttribute::Type() const

    94     {

    95     return EChangeRequest;

    96     }

    97 

    98 // -----------------------------------------------------------------------------

    99 // CNATFWUNSAFChangeRequestAttribute::EncodeValueL

   100 // -----------------------------------------------------------------------------

   101 //

   102 HBufC8* CNATFWUNSAFChangeRequestAttribute::EncodeValueL() const

   103     {

   104     HBufC8* encodedValue = HBufC8::NewLC(EAttributeValueSize);

   105 

   106     TPtr8 ptr = encodedValue->Des();

   107     ptr.FillZ(EAttributeValueSize);

   108 

   109     TUint32 value(0);

   110     if (ChangeIP())

   111         {

   112         value = value | EChangeIPMask;

   113         }

   114     if (ChangePort())

   115         {

   116         value = value | EChangePortMask;

   117         }

   118 

   119     NATFWUNSAFUtils::WriteNetworkOrder32L(ptr, 0, value);

   120 

   121     CleanupStack::Pop(encodedValue);

   122     return encodedValue;

   123     }

   124 

   125 // -----------------------------------------------------------------------------

   126 // CNATFWUNSAFChangeRequestAttribute::ChangeIP

   127 // -----------------------------------------------------------------------------

   128 //

   129 TBool CNATFWUNSAFChangeRequestAttribute::ChangeIP() const

   130     {

   131     return iChangeIP;

   132     }

   133 

   134 // -----------------------------------------------------------------------------

   135 // CNATFWUNSAFChangeRequestAttribute::ChangePort

   136 // -----------------------------------------------------------------------------

   137 //

   138 TBool CNATFWUNSAFChangeRequestAttribute::ChangePort() const

   139     {

   140     return iChangePort;

   141     }