1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <networking/vj.h>

    17 

    18 

    19 // Force export of non-mangled name

    20 extern "C"

    21     {

    22 

    23 EXPORT_C CVJCompFactory* NewVJCompFactoryL(void)

    24 	{

    25 	return new (ELeave) CVJFactory;

    26 	}

    27 

    28 	}

    29 	

    30 //

    31 // CVJFactory definitions

    32 //

    33 

    34 CVJFactory::CVJFactory()

    35 	{}

    36 

    37 void CVJFactory::InstallL()

    38 	{}

    39 

    40 CVJCompressorIf* CVJFactory::NewVJCompressorL( TInt aSlots, TInt aCompressConnId)

    41 /**

    42 Create and construct a new CVJCompressor object.

    43 

    44 @param aSlots Maximum number of VJ connections

    45 @param aCompressConnId Whether to compress the connection number 

    46 

    47 @return New CVJCompressor object

    48 */

    49 	{

    50 	CVJCompressor* Comp = new (ELeave) CVJCompressor();

    51 

    52 	CleanupStack::PushL(TCleanupItem(CNifFactory::Cleanup, Comp));

    53 	Comp->ConstructL(this, aSlots, aCompressConnId);

    54 	CleanupStack::Pop();

    55 

    56 	return Comp;

    57 	}

    58 

    59 CVJDeCompressorIf* CVJFactory::NewVJDeCompressorL( TInt aSlots )

    60 /**

    61 Create and construct a new CVJDeCompressor object.

    62 

    63 @param aSlots Value of the highest VJ connection number to be received

    64 

    65 @return New CVJDeCompressor object

    66 */

    67 	{

    68 	CVJDeCompressor* DeComp = new (ELeave) CVJDeCompressor();

    69 

    70 	CleanupStack::PushL(TCleanupItem(CNifFactory::Cleanup, DeComp));

    71 	DeComp->ConstructL(this, aSlots);

    72 	CleanupStack::Pop();

    73 

    74 	return DeComp;

    75 	}

    76 

    77 //

    78 // TVJCompHdr definitions

    79 //

    80 

    81 TVJCompHdr::TVJCompHdr()

    82 	:

    83 	iNextPtr(NULL), iConnectionId(0)

    84 	{

    85 	    // Ignore lint "not initialized" warning about iIPHeader and iTCPHeader

    86 	}

    87 

    88 void TVJCompHdr::StoreTCPIPHeader(ThdrIP* aHeader)

    89 /**

    90 Stores the TCP/IP header.

    91 

    92 @param aHeader TCP/IP packet header

    93 */

    94 	{

    95 	iIPHeader = *aHeader;

    96 	iTCPHeader = *(ThdrTCP::NetPtr(aHeader));

    97 	iTCPHeader.NetSetChecksum(0);

    98 	MarkValid();

    99 	}

   100 

   101 void TVJCompHdr::RetrieveTCPIPHeader(ThdrIP* aIPHeader, ThdrTCP* aTCPHeader)

   102 /**

   103 Retrieves the TCP/IP header.

   104 

   105 @param aIPHeader Returns the IP packet header

   106 @param aTCPHeader Returns the TCP packet header

   107 */

   108 	{

   109 	*aIPHeader = iIPHeader;

   110 	*aTCPHeader = iTCPHeader;

   111 	}