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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Name : SdpOriginField.cpp
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// Part of : Local SDP Codec
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// Version : 1.0
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//
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#include <in_sock.h>
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#include <s32strm.h>
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#include "sdporiginfield.h"
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#include "sdporiginfieldptrs.h"
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#include "sdputil.h"
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#include "sdpcodecstringconstants.h"
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#include "sdpcodecconstants.h"
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#include "sdpcodecstringpool.h"
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#include "sdpcodecerr.h"
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#include "sdpcodec.pan"
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#include "_sdpdefs.h"
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// LOCAL CONSTANTS AND MACROS
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const TUint KMaxIPDesLength = 39;
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const TUint KHeaderIndex = 0;
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const TUint KUserNameIndex = 1;
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const TUint KSessionIdIndex = 2;
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const TUint KSessionVersionIndex = 3;
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const TUint KNetworkTypeIndex = 4;
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const TUint KAddressTypeIndex = 5;
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const TUint KAddressIndex = 6;
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const TInt KTokenCount = 7;
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const TInt64 KDummyValue = 1;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CSdpOriginField::CSdpOriginField
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CSdpOriginField::CSdpOriginField()
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{
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CSdpOriginField::ConstructL(
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const TDesC8& aText )
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{
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// aText should be of format:
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// o=<username> <session id> <version> <network type>
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// <address type> <address>
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iPool = SdpCodecStringPool::StringPoolL();
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RArray<TPtrC8> array;
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array = SdpUtil::GetElementsFromLineL( aText, KErrSdpCodecOriginField );
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CleanupClosePushL( array );
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if ( array.Count() != KTokenCount )
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{
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User::Leave( KErrSdpCodecOriginField );
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}
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// Check that the line contains valid header
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RStringF origHeader = iPool.StringF( SdpCodecStringConstants::EOrigin,
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SdpCodecStringConstants::Table );
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if ( origHeader.DesC().CompareF( array[KHeaderIndex] ) != 0 )
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{
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// Header didn't match
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User::Leave( KErrSdpCodecOriginField );
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}
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iUserName =
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reinterpret_cast< HBufC8* >( CSdpOriginFieldPtrs::NewL( 0, 0 ) );
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// <username>
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ParseUserNameL( array );
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// <session id> & <version>
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ParseSessionIDAndVersionL( array );
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// <network type> & <address type>
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ParseNetTypeAndAddressTypeL( array );
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// <address>
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ParseAddressL( array );
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//If address is IPv4-Mapped IPv6 , it is changed to IPv4
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TInetAddr addr;
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TBuf<KMaxAddressLength> address;
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address.Copy(iAddress);
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TInt err = addr.Input( address );
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if ( err == KErrNone )
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{
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// Valid IP address
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TBuf<KMaxIPDesLength> buf;
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addr.Output( buf );
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iAddress.Copy(buf);
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SetIPAddressType( addr );
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}
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CleanupStack::PopAndDestroy(); // array
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__TEST_INVARIANT;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CSdpOriginField::ConstructL(
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const TDesC8& aUserName,
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TInt64 aSessionId,
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TInt64 aSessionVersion,
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TInetAddr& aUnicastAddress )
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{
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iPool = SdpCodecStringPool::StringPoolL();
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__ASSERT_ALWAYS(
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IsValidUserName( aUserName )
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&& IsValidAddress( aUnicastAddress )
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&& aSessionId >= 0 && aSessionVersion >= 0,
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User::Leave( KErrSdpCodecOriginField ) );
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iUserName = reinterpret_cast< HBufC8* >
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( CSdpOriginFieldPtrs::NewL( aSessionId, aSessionVersion ) );
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OriginFieldPtrs().SetUserNameL( aUserName );
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TBuf<KMaxIPDesLength> des;
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aUnicastAddress.Output( des );
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//if aUnicastAddress was IPv4-Mapped IPv6 address,
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// the result of Output is IPv4
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// the address is stored in IPv4 format, so the iAddressType
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// must also be IPv4.
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iAddress.Copy( des );
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SetIPAddressType( aUnicastAddress );
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iNetType = iPool.StringF( SdpCodecStringConstants::ENetType,
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SdpCodecStringConstants::Table ).Copy();
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__TEST_INVARIANT;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CSdpOriginField::ConstructL(
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const TDesC8& aUserName,
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TInt64 aSessionId,
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TInt64 aSessionVersion,
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RStringF aNetType,
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RStringF aAddressType,
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const TDesC8& aAddress )
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{
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iPool = SdpCodecStringPool::StringPoolL();
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__ASSERT_ALWAYS(
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IsValidUserName( aUserName )
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&& IsValidAddress( aAddress ) &&
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TypeMatchesWithFormat( aAddress, aAddressType.DesC(), iPool )
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&& ( SdpUtil::IsToken( aNetType.DesC() ) )
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&& ( SdpUtil::IsToken( aAddressType.DesC() ) )
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&& aSessionId >= 0 && aSessionVersion >= 0,
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User::Leave( KErrSdpCodecOriginField ) );
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iUserName = reinterpret_cast< HBufC8* >
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( CSdpOriginFieldPtrs::NewL( aSessionId, aSessionVersion ) );
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OriginFieldPtrs().SetUserNameL( aUserName );
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iNetType = aNetType.Copy();
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TInetAddr addr;
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TBuf<KMaxAddressLength> address;
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address.Copy(aAddress);
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TInt err = addr.Input(address);
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if ( err == KErrNone )
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{
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// Valid IP address
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TBuf< KMaxIPDesLength > buf;
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addr.Output( buf );
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iAddress.Copy( buf );
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SetIPAddressType( addr );
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}
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else
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{
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iAddress = aAddress;
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iAddressType = aAddressType.Copy();
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}
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__TEST_INVARIANT;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::DecodeL
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// Two-phased constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::DecodeL(
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const TDesC8& aText )
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{
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CSdpOriginField* obj = CSdpOriginField::DecodeLC( aText );
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CleanupStack::Pop();
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::DecodeLC
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// Two-phased constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::DecodeLC(
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const TDesC8& aText )
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{
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CSdpOriginField* obj = new ( ELeave ) CSdpOriginField;
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CleanupStack::PushL( obj );
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obj->ConstructL(aText );
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::NewL
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// Two-phased constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::NewL(
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const TDesC8& aUserName,
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TInt64 aSessionId,
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TInt64 aSessionVersion,
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TInetAddr& aAddress )
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{
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CSdpOriginField* obj = CSdpOriginField::NewLC(
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aUserName, aSessionId, aSessionVersion, aAddress );
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CleanupStack::Pop();
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::NewLC
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// Two-phased constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::NewLC(
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const TDesC8& aUserName,
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TInt64 aSessionId,
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TInt64 aSessionVersion,
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TInetAddr& aAddress )
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{
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CSdpOriginField* obj = new ( ELeave ) CSdpOriginField;
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CleanupStack::PushL(obj);
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obj->ConstructL( aUserName, aSessionId, aSessionVersion, aAddress );
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::NewL
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// Two-phased constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::NewL(
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const TDesC8& aUserName,
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TInt64 aSessionId,
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TInt64 aSessionVersion,
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RStringF aNetType,
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RStringF aAddressType,
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const TDesC8& aAddress )
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{
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CSdpOriginField* obj = CSdpOriginField::NewLC(
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aUserName, aSessionId, aSessionVersion, aNetType,
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aAddressType, aAddress );
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CleanupStack::Pop();
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::NewLC
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// Two-phased constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::NewLC(
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const TDesC8& aUserName,
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TInt64 aSessionId,
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TInt64 aSessionVersion,
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RStringF aNetType,
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RStringF aAddressType,
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const TDesC8& aAddress )
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{
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CSdpOriginField* obj = new ( ELeave ) CSdpOriginField;
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CleanupStack::PushL( obj );
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obj->ConstructL( aUserName, aSessionId, aSessionVersion, aNetType,
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aAddressType, aAddress );
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::~CSdpOriginField
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField::~CSdpOriginField()
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{
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CSdpOriginFieldPtrs* tmp =
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reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName );
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delete tmp;
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iNetType.Close();
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iAddressType.Close();
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::EncodeL
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// Writes attributes in proper format to the stream
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CSdpOriginField::EncodeL(
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RWriteStream& aStream ) const
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{
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__TEST_INVARIANT;
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// o=<username> <session id> <version> <network type> <address type>
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// <address>
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// "o="
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RStringF header = iPool.StringF( SdpCodecStringConstants::EOrigin,
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SdpCodecStringConstants::Table );
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aStream.WriteL( header.DesC() );
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// <username>
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aStream.WriteL( OriginFieldPtrs().UserName() );
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aStream.WriteL( KSPStr );
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// <session id>
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aStream.WriteL( OriginFieldPtrs().SessionId() );
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aStream.WriteL( KSPStr );
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// <version>
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aStream.WriteL( OriginFieldPtrs().SessionVersion() );
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aStream.WriteL( KSPStr );
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// <network type>
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aStream.WriteL( iNetType.DesC() );
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aStream.WriteL( KSPStr );
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// <address type>
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aStream.WriteL( iAddressType.DesC() );
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aStream.WriteL( KSPStr );
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// <address>
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aStream.WriteL( iAddress );
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// End-of-Line mark
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aStream.WriteL( KCRLFStr );
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::CloneL
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// Creates an exact copy of the origin field
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CSdpOriginField* CSdpOriginField::CloneL() const
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{
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__TEST_INVARIANT;
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CSdpOriginField* obj = 0;
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if ( InetAddress() )
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{
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// Clones instance with TInetAddr
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TInetAddr addr( *InetAddress() );
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obj = CSdpOriginField::NewLC( UserName(), KDummyValue,
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KDummyValue, addr );
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}
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else
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{
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// Clones instance with Internet address as a standard string
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obj = CSdpOriginField::NewLC( UserName(), KDummyValue, KDummyValue,
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iNetType, iAddressType, Address() );
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}
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// Set the real values
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obj->OriginFieldPtrs().SetSessionIdL( OriginFieldPtrs().SessionId() );
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obj->OriginFieldPtrs().SetSessionVersionL(
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OriginFieldPtrs().SessionVersion() );
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CleanupStack::Pop( obj );
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__ASSERT_DEBUG( *this == *obj, User::Panic( KSdpCodecPanicCat,
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KSdpCodecPanicInternal ) );
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return obj;
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}
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// -----------------------------------------------------------------------------
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// CSdpOriginField::operator ==
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// Checks if two origin fields are equal
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TBool CSdpOriginField::operator == (
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const CSdpOriginField& aObj) const
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{
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__TEST_INVARIANT;
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TBool equalFields = EFalse;
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// Check that username, session ID and address type match before
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// going to internet address
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if ( ( UserName().CompareF( aObj.UserName() ) == 0 ) &&
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( SessionId() == aObj.SessionId() ) &&
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( AddressType() == aObj.AddressType() ) &&
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( Version() == aObj.Version() ) &&
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( NetType() == aObj.NetType() ) )
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{
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if ( InetAddress() && aObj.InetAddress() )
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{
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if ( (*InetAddress()).Match( *aObj.InetAddress() ) )
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{
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equalFields = ETrue;
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}
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}
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else if ( !InetAddress() && !aObj.InetAddress() )
|
|
439 |
{
|
|
440 |
if ( iAddress.CompareF( aObj.Address() ) == 0 )
|
|
441 |
{
|
|
442 |
equalFields = ETrue;
|
|
443 |
}
|
|
444 |
}
|
|
445 |
else
|
|
446 |
{
|
|
447 |
// These two are not the same
|
|
448 |
}
|
|
449 |
}
|
|
450 |
|
|
451 |
return equalFields;
|
|
452 |
}
|
|
453 |
|
|
454 |
// -----------------------------------------------------------------------------
|
|
455 |
// CSdpOriginField::UserName
|
|
456 |
// Returns username
|
|
457 |
// -----------------------------------------------------------------------------
|
|
458 |
//
|
|
459 |
EXPORT_C const TDesC8& CSdpOriginField::UserName() const
|
|
460 |
{
|
|
461 |
__TEST_INVARIANT;
|
|
462 |
return OriginFieldPtrs().UserName();
|
|
463 |
}
|
|
464 |
|
|
465 |
// -----------------------------------------------------------------------------
|
|
466 |
// CSdpOriginField::SetUserNameL
|
|
467 |
// Sets a new username
|
|
468 |
// -----------------------------------------------------------------------------
|
|
469 |
//
|
|
470 |
EXPORT_C void CSdpOriginField::SetUserNameL(
|
|
471 |
const TDesC8& aValue )
|
|
472 |
{
|
|
473 |
__TEST_INVARIANT;
|
|
474 |
if ( IsValidUserName( aValue ) )
|
|
475 |
{
|
|
476 |
OriginFieldPtrs().SetUserNameL( aValue );
|
|
477 |
}
|
|
478 |
else
|
|
479 |
{
|
|
480 |
User::Leave( KErrSdpCodecOriginField );
|
|
481 |
}
|
|
482 |
}
|
|
483 |
|
|
484 |
// -----------------------------------------------------------------------------
|
|
485 |
// CSdpOriginField::SessionId
|
|
486 |
// Returns current session id
|
|
487 |
// -----------------------------------------------------------------------------
|
|
488 |
//
|
|
489 |
EXPORT_C TInt64 CSdpOriginField::SessionId() const
|
|
490 |
{
|
|
491 |
__TEST_INVARIANT;
|
|
492 |
|
|
493 |
return Get63Msbs( OriginFieldPtrs().SessionId() );
|
|
494 |
}
|
|
495 |
|
|
496 |
// -----------------------------------------------------------------------------
|
|
497 |
// CSdpOriginField::SetSessionId
|
|
498 |
// Sets new session ID
|
|
499 |
// -----------------------------------------------------------------------------
|
|
500 |
//
|
|
501 |
EXPORT_C void CSdpOriginField::SetSessionId(
|
|
502 |
TInt64 aValue )
|
|
503 |
{
|
|
504 |
__TEST_INVARIANT;
|
|
505 |
if ( aValue >= 0 )
|
|
506 |
{
|
|
507 |
TRAP_IGNORE( OriginFieldPtrs().SetSessionIdL( aValue ) )
|
|
508 |
}
|
|
509 |
}
|
|
510 |
|
|
511 |
// -----------------------------------------------------------------------------
|
|
512 |
// CSdpOriginField::Version
|
|
513 |
// Returns version number of the announcement
|
|
514 |
// -----------------------------------------------------------------------------
|
|
515 |
//
|
|
516 |
EXPORT_C TInt64 CSdpOriginField::Version() const
|
|
517 |
{
|
|
518 |
__TEST_INVARIANT;
|
|
519 |
|
|
520 |
return Get63Msbs( OriginFieldPtrs().SessionVersion() );
|
|
521 |
}
|
|
522 |
|
|
523 |
// -----------------------------------------------------------------------------
|
|
524 |
// CSdpOriginField::SetVersion
|
|
525 |
// Sets new version for this session's announcement
|
|
526 |
// -----------------------------------------------------------------------------
|
|
527 |
//
|
|
528 |
EXPORT_C void CSdpOriginField::SetVersion(
|
|
529 |
TInt64 aValue )
|
|
530 |
{
|
|
531 |
__TEST_INVARIANT;
|
|
532 |
if ( aValue >= 0 )
|
|
533 |
{
|
|
534 |
TRAP_IGNORE( OriginFieldPtrs().SetSessionVersionL( aValue ) )
|
|
535 |
}
|
|
536 |
}
|
|
537 |
|
|
538 |
// -----------------------------------------------------------------------------
|
|
539 |
// CSdpOriginField::NetType
|
|
540 |
// Returns net type (always Internet)
|
|
541 |
// -----------------------------------------------------------------------------
|
|
542 |
//
|
|
543 |
EXPORT_C RStringF CSdpOriginField::NetType() const
|
|
544 |
{
|
|
545 |
__TEST_INVARIANT;
|
|
546 |
return iNetType;
|
|
547 |
}
|
|
548 |
|
|
549 |
// -----------------------------------------------------------------------------
|
|
550 |
// CSdpOriginField::AddressType
|
|
551 |
// Returns address type (IP4/IP6)
|
|
552 |
// -----------------------------------------------------------------------------
|
|
553 |
//
|
|
554 |
EXPORT_C RStringF CSdpOriginField::AddressType() const
|
|
555 |
{
|
|
556 |
__TEST_INVARIANT;
|
|
557 |
return iAddressType;
|
|
558 |
}
|
|
559 |
|
|
560 |
// -----------------------------------------------------------------------------
|
|
561 |
// CSdpOriginField::InetAddress
|
|
562 |
// Returns the unicast address
|
|
563 |
// -----------------------------------------------------------------------------
|
|
564 |
//
|
|
565 |
EXPORT_C const TInetAddr* CSdpOriginField::InetAddress() const
|
|
566 |
{
|
|
567 |
__TEST_INVARIANT;
|
|
568 |
|
|
569 |
TBuf<KMaxAddressLength> address16;
|
|
570 |
address16.Copy( iAddress );
|
|
571 |
TInt err = iUnicastAddress.Input( address16 );
|
|
572 |
|
|
573 |
if ( !err )
|
|
574 |
{
|
|
575 |
return &iUnicastAddress;
|
|
576 |
}
|
|
577 |
else
|
|
578 |
{
|
|
579 |
return NULL;
|
|
580 |
}
|
|
581 |
}
|
|
582 |
|
|
583 |
// -----------------------------------------------------------------------------
|
|
584 |
// CSdpOriginField::Address
|
|
585 |
// Returns the address
|
|
586 |
// -----------------------------------------------------------------------------
|
|
587 |
//
|
|
588 |
EXPORT_C const TDesC8& CSdpOriginField::Address() const
|
|
589 |
{
|
|
590 |
__TEST_INVARIANT;
|
|
591 |
return iAddress;
|
|
592 |
}
|
|
593 |
|
|
594 |
// -----------------------------------------------------------------------------
|
|
595 |
// CSdpOriginField::SetInetAddress
|
|
596 |
// Sets Internet Address
|
|
597 |
// -----------------------------------------------------------------------------
|
|
598 |
//
|
|
599 |
EXPORT_C void CSdpOriginField::SetInetAddress(
|
|
600 |
const TInetAddr& aValue )
|
|
601 |
{
|
|
602 |
__TEST_INVARIANT;
|
|
603 |
|
|
604 |
if ( IsValidAddress( aValue ) )
|
|
605 |
{
|
|
606 |
TBuf<KMaxIPDesLength> buf;
|
|
607 |
aValue.Output( buf );
|
|
608 |
// Copy new address to safe
|
|
609 |
iAddress.Copy( buf );
|
|
610 |
|
|
611 |
// Copy network type and address type
|
|
612 |
SdpUtil::SetDefaultNetTypeAndAddrType(
|
|
613 |
iPool, aValue, iNetType, iAddressType );
|
|
614 |
SetIPAddressType( aValue );
|
|
615 |
}
|
|
616 |
|
|
617 |
__TEST_INVARIANT;
|
|
618 |
}
|
|
619 |
|
|
620 |
// -----------------------------------------------------------------------------
|
|
621 |
// CSdpOriginField::SetAddressL
|
|
622 |
// Sets address from the buffer
|
|
623 |
// -----------------------------------------------------------------------------
|
|
624 |
//
|
|
625 |
EXPORT_C void CSdpOriginField::SetAddressL(
|
|
626 |
const TDesC8& aAddress,
|
|
627 |
RStringF aNetType,
|
|
628 |
RStringF aAddressType )
|
|
629 |
{
|
|
630 |
__TEST_INVARIANT;
|
|
631 |
|
|
632 |
__ASSERT_ALWAYS( SdpUtil::IsToken( aNetType.DesC() ) &&
|
|
633 |
SdpUtil::IsToken( aAddressType.DesC() ) &&
|
|
634 |
IsValidAddress( aAddress ) &&
|
|
635 |
TypeMatchesWithFormat( aAddress,
|
|
636 |
aAddressType.DesC(), iPool ),
|
|
637 |
User::Leave( KErrSdpCodecOriginField ) );
|
|
638 |
|
|
639 |
iAddress = aAddress;
|
|
640 |
iAddressType.Close();
|
|
641 |
iAddressType = aAddressType.Copy();
|
|
642 |
|
|
643 |
__TEST_INVARIANT;
|
|
644 |
}
|
|
645 |
|
|
646 |
// -----------------------------------------------------------------------------
|
|
647 |
// CSdpOriginField::ExternalizeL
|
|
648 |
// Externalizes the field back to string
|
|
649 |
// -----------------------------------------------------------------------------
|
|
650 |
//
|
|
651 |
void CSdpOriginField::ExternalizeL(
|
|
652 |
RWriteStream& aStream ) const
|
|
653 |
{
|
|
654 |
__TEST_INVARIANT;
|
|
655 |
|
|
656 |
// <username>
|
|
657 |
aStream.WriteUint32L( UserName().Length() );
|
|
658 |
aStream.WriteL( UserName(), UserName().Length() );
|
|
659 |
// <session id>
|
|
660 |
aStream.WriteUint32L( OriginFieldPtrs().SessionId().Length() );
|
|
661 |
aStream.WriteL( OriginFieldPtrs().SessionId(),
|
|
662 |
OriginFieldPtrs().SessionId().Length() );
|
|
663 |
// <version>
|
|
664 |
aStream.WriteUint32L( OriginFieldPtrs().SessionVersion().Length() );
|
|
665 |
aStream.WriteL( OriginFieldPtrs().SessionVersion(),
|
|
666 |
OriginFieldPtrs().SessionVersion().Length() );
|
|
667 |
// <network type>
|
|
668 |
aStream.WriteUint32L( iNetType.DesC().Length() );
|
|
669 |
aStream.WriteL( iNetType.DesC() );
|
|
670 |
// <address type>
|
|
671 |
aStream.WriteUint32L( iAddressType.DesC().Length() );
|
|
672 |
aStream.WriteL( iAddressType.DesC() );
|
|
673 |
// <address>
|
|
674 |
aStream.WriteUint32L( iAddress.Length() );
|
|
675 |
aStream.WriteL( iAddress );
|
|
676 |
}
|
|
677 |
|
|
678 |
// -----------------------------------------------------------------------------
|
|
679 |
// CSdpOriginField::InternalizeL
|
|
680 |
// Internalizes from stream
|
|
681 |
// -----------------------------------------------------------------------------
|
|
682 |
//
|
|
683 |
CSdpOriginField* CSdpOriginField::InternalizeL(
|
|
684 |
RReadStream& aStream )
|
|
685 |
{
|
|
686 |
RStringPool pool = SdpCodecStringPool::StringPoolL();
|
|
687 |
|
|
688 |
// <username>
|
|
689 |
TUint32 length = aStream.ReadUint32L();
|
|
690 |
HBufC8* userName = HBufC8::NewLC( length );
|
|
691 |
TPtr8 ptr( userName->Des() );
|
|
692 |
aStream.ReadL( ptr, length );
|
|
693 |
|
|
694 |
// <session id>
|
|
695 |
length = aStream.ReadUint32L();
|
|
696 |
HBufC8* sessionId = HBufC8::NewLC( length );
|
|
697 |
ptr.Set( sessionId->Des() );
|
|
698 |
aStream.ReadL( ptr, length );
|
|
699 |
|
|
700 |
// <version>
|
|
701 |
length = aStream.ReadUint32L();
|
|
702 |
HBufC8* version = HBufC8::NewLC( length );
|
|
703 |
ptr.Set( version->Des() );
|
|
704 |
aStream.ReadL( ptr, length );
|
|
705 |
|
|
706 |
// <network type>
|
|
707 |
length = aStream.ReadUint32L();
|
|
708 |
HBufC8* netType = HBufC8::NewLC( length );
|
|
709 |
ptr.Set( netType->Des() );
|
|
710 |
aStream.ReadL( ptr, length );
|
|
711 |
|
|
712 |
// <address type>
|
|
713 |
length = aStream.ReadUint32L();
|
|
714 |
HBufC8* addrType = HBufC8::NewLC( length );
|
|
715 |
ptr.Set( addrType->Des() );
|
|
716 |
aStream.ReadL( ptr, length );
|
|
717 |
|
|
718 |
// <address>
|
|
719 |
length = aStream.ReadUint32L();
|
|
720 |
HBufC8* address = HBufC8::NewLC( length );
|
|
721 |
TPtr8 ptr2( address->Des() );
|
|
722 |
aStream.ReadL( ptr2, length );
|
|
723 |
|
|
724 |
RStringF netTypeStr = pool.OpenFStringL( *netType );
|
|
725 |
RStringF addrTypeStr = pool.OpenFStringL( *addrType );
|
|
726 |
CleanupClosePushL( netTypeStr );
|
|
727 |
CleanupClosePushL( addrTypeStr );
|
|
728 |
|
|
729 |
CSdpOriginField* obj = CSdpOriginField::NewLC( *userName, KDummyValue,
|
|
730 |
KDummyValue, netTypeStr,
|
|
731 |
addrTypeStr, *address );
|
|
732 |
// Set the real values
|
|
733 |
obj->OriginFieldPtrs().SetSessionIdL( *sessionId );
|
|
734 |
obj->OriginFieldPtrs().SetSessionVersionL( *version );
|
|
735 |
CleanupStack::Pop( obj );
|
|
736 |
CleanupStack::Pop( 2 ); // addrTypeStr, netTypeStr
|
|
737 |
CleanupStack::PopAndDestroy( address );
|
|
738 |
CleanupStack::PopAndDestroy( addrType );
|
|
739 |
CleanupStack::PopAndDestroy( netType );
|
|
740 |
CleanupStack::PopAndDestroy( version );
|
|
741 |
CleanupStack::PopAndDestroy( sessionId );
|
|
742 |
CleanupStack::PopAndDestroy( userName );
|
|
743 |
|
|
744 |
return obj;
|
|
745 |
}
|
|
746 |
|
|
747 |
// -----------------------------------------------------------------------------
|
|
748 |
// CSdpOriginField::IsValidAddress
|
|
749 |
// Checks if the address is valid
|
|
750 |
// -----------------------------------------------------------------------------
|
|
751 |
//
|
|
752 |
TBool CSdpOriginField::IsValidAddress(
|
|
753 |
const TDesC8& aAddress ) const
|
|
754 |
{
|
|
755 |
TInetAddr addr;
|
|
756 |
TBool valid = ETrue;
|
|
757 |
|
|
758 |
if ( aAddress.Length() > 0 && aAddress.Length() <= KMaxAddressLength )
|
|
759 |
{
|
|
760 |
TBuf<KMaxAddressLength> address16;
|
|
761 |
address16.Copy( aAddress );
|
|
762 |
TInt err = addr.Input( address16 );
|
|
763 |
|
|
764 |
if ( !err )
|
|
765 |
{
|
|
766 |
valid = ( addr.IsUnicast() || addr.IsUnspecified() );
|
|
767 |
}
|
|
768 |
else
|
|
769 |
{
|
|
770 |
RStringF addrTypeIP4 =
|
|
771 |
iPool.StringF( SdpCodecStringConstants::EAddressTypeIP4,
|
|
772 |
SdpCodecStringConstants::Table );
|
|
773 |
RStringF addrTypeIP6 =
|
|
774 |
iPool.StringF( SdpCodecStringConstants::EAddressType,
|
|
775 |
SdpCodecStringConstants::Table );
|
|
776 |
|
|
777 |
if ( iAddressType == addrTypeIP4 || iAddressType == addrTypeIP6 )
|
|
778 |
{
|
|
779 |
// FQDN address, check that it has only valid characters
|
|
780 |
// 0..9, a..z, A..Z, '.', '-'
|
|
781 |
|
|
782 |
for ( TInt i( 0 ); i < aAddress.Length() && valid; i++ )
|
|
783 |
{
|
|
784 |
if (KValidFQDNChars().Locate(aAddress[i]) == KErrNotFound)
|
|
785 |
{
|
|
786 |
valid = EFalse;
|
|
787 |
}
|
|
788 |
}
|
|
789 |
}
|
|
790 |
else
|
|
791 |
{
|
|
792 |
valid = SdpUtil::IsNonWhitespace( aAddress );
|
|
793 |
}
|
|
794 |
}
|
|
795 |
}
|
|
796 |
else
|
|
797 |
{
|
|
798 |
valid = EFalse;
|
|
799 |
}
|
|
800 |
|
|
801 |
return valid;
|
|
802 |
}
|
|
803 |
|
|
804 |
// -----------------------------------------------------------------------------
|
|
805 |
// CSdpOriginField::IsValidAddress
|
|
806 |
// Checks if the address is valid
|
|
807 |
// -----------------------------------------------------------------------------
|
|
808 |
//
|
|
809 |
TBool CSdpOriginField::IsValidAddress(
|
|
810 |
const TInetAddr& addr ) const
|
|
811 |
{
|
|
812 |
TBuf<KMaxIPDesLength> buf16;
|
|
813 |
TBuf8<KMaxIPDesLength> buf;
|
|
814 |
//if addr is IPv4-Mapped IPv6, buf value will be IPv4 after Output
|
|
815 |
addr.Output( buf16 );
|
|
816 |
buf.Copy( buf16 );
|
|
817 |
|
|
818 |
return IsValidAddress( buf );
|
|
819 |
}
|
|
820 |
|
|
821 |
// -----------------------------------------------------------------------------
|
|
822 |
// CSdpOriginField::TypeMatchesWithFormat
|
|
823 |
// Checks if address type is aligned with the address format
|
|
824 |
// -----------------------------------------------------------------------------
|
|
825 |
//
|
|
826 |
TBool CSdpOriginField::TypeMatchesWithFormat(
|
|
827 |
const TDesC8& aAddress,
|
|
828 |
const TDesC8& aType,
|
|
829 |
RStringPool aPool ) const
|
|
830 |
{
|
|
831 |
RStringF addrTypeIP4 =
|
|
832 |
aPool.StringF( SdpCodecStringConstants::EAddressTypeIP4,
|
|
833 |
SdpCodecStringConstants::Table );
|
|
834 |
RStringF addrTypeIP6 =
|
|
835 |
aPool.StringF( SdpCodecStringConstants::EAddressType,
|
|
836 |
SdpCodecStringConstants::Table );
|
|
837 |
|
|
838 |
TBool valid( ETrue );
|
|
839 |
|
|
840 |
// Check that address type and address matches together
|
|
841 |
TInetAddr addr;
|
|
842 |
TBuf<KMaxAddressLength> address16;
|
|
843 |
address16.Copy( aAddress );
|
|
844 |
TInt err = addr.Input( address16 );
|
|
845 |
if ( err == KErrNone && !addr.IsUnspecified())
|
|
846 |
{
|
|
847 |
TBool ip4Type = ( addrTypeIP4.DesC().CompareF( aType ) == 0 );
|
|
848 |
TBool ip6Type = ( addrTypeIP6.DesC().CompareF( aType ) == 0 );
|
|
849 |
|
|
850 |
if ( ip4Type || ip6Type )
|
|
851 |
{
|
|
852 |
if ( ( addr.Address() && !addr.IsV4Mapped() && !ip4Type ) ||
|
|
853 |
(addr.Address() && addr.IsV4Mapped() && !ip6Type) ||
|
|
854 |
( !addr.Address() && !ip6Type ) )
|
|
855 |
{
|
|
856 |
valid = EFalse;
|
|
857 |
}
|
|
858 |
}
|
|
859 |
}
|
|
860 |
|
|
861 |
return valid;
|
|
862 |
}
|
|
863 |
|
|
864 |
// -----------------------------------------------------------------------------
|
|
865 |
// CSdpOriginField::IsValidUserName
|
|
866 |
// Checks if the given username is valid
|
|
867 |
// -----------------------------------------------------------------------------
|
|
868 |
//
|
|
869 |
TBool CSdpOriginField::IsValidUserName(
|
|
870 |
const TDesC8& aUserName ) const
|
|
871 |
{
|
|
872 |
TBool valid = EFalse;
|
|
873 |
|
|
874 |
if ( aUserName.Length() > 0 && SdpUtil::IsNonWhitespace( aUserName ) )
|
|
875 |
{
|
|
876 |
valid = ETrue;
|
|
877 |
}
|
|
878 |
|
|
879 |
return valid;
|
|
880 |
}
|
|
881 |
|
|
882 |
// -----------------------------------------------------------------------------
|
|
883 |
// CSdpOriginField::ParseUserNameL
|
|
884 |
// Parses username. Can't use CSdpOriginField::SetUserNameL, as invariant would
|
|
885 |
// fail.
|
|
886 |
// -----------------------------------------------------------------------------
|
|
887 |
//
|
|
888 |
void CSdpOriginField::ParseUserNameL(
|
|
889 |
RArray<TPtrC8>& aArray )
|
|
890 |
{
|
|
891 |
__ASSERT_ALWAYS( IsValidUserName( aArray[KUserNameIndex] ),
|
|
892 |
User::Leave( KErrSdpCodecOriginField ) );
|
|
893 |
OriginFieldPtrs().SetUserNameL( aArray[KUserNameIndex] );
|
|
894 |
}
|
|
895 |
|
|
896 |
// -----------------------------------------------------------------------------
|
|
897 |
// CSdpOriginField::ParseSessionIDAndVersionL
|
|
898 |
// Parses session ID and version
|
|
899 |
// -----------------------------------------------------------------------------
|
|
900 |
//
|
|
901 |
void CSdpOriginField::ParseSessionIDAndVersionL(
|
|
902 |
RArray<TPtrC8>& aArray )
|
|
903 |
{
|
|
904 |
__ASSERT_ALWAYS( SdpUtil::IsDigit( aArray[KSessionIdIndex] ) &&
|
|
905 |
SdpUtil::IsDigit( aArray[KSessionVersionIndex] ),
|
|
906 |
User::Leave( KErrSdpCodecOriginField ) );
|
|
907 |
|
|
908 |
OriginFieldPtrs().SetSessionIdL( aArray[KSessionIdIndex] );
|
|
909 |
OriginFieldPtrs().SetSessionVersionL( aArray[KSessionVersionIndex] );
|
|
910 |
}
|
|
911 |
|
|
912 |
// -----------------------------------------------------------------------------
|
|
913 |
// CSdpOriginField::ParseNetTypeAndAddressTypeL
|
|
914 |
// Parses network type and address type
|
|
915 |
// -----------------------------------------------------------------------------
|
|
916 |
//
|
|
917 |
void CSdpOriginField::ParseNetTypeAndAddressTypeL(
|
|
918 |
RArray<TPtrC8>& aArray )
|
|
919 |
{
|
|
920 |
if ( !SdpUtil::IsToken( aArray[KNetworkTypeIndex] ) ||
|
|
921 |
!SdpUtil::IsToken( aArray[KAddressTypeIndex] ) )
|
|
922 |
{
|
|
923 |
User::Leave( KErrSdpCodecOriginField );
|
|
924 |
}
|
|
925 |
|
|
926 |
iNetType = iPool.OpenFStringL( aArray[KNetworkTypeIndex] );
|
|
927 |
iAddressType = iPool.OpenFStringL( aArray[KAddressTypeIndex] );
|
|
928 |
}
|
|
929 |
|
|
930 |
// -----------------------------------------------------------------------------
|
|
931 |
// CSdpOriginField::ParseAddressL
|
|
932 |
// Parses address
|
|
933 |
// -----------------------------------------------------------------------------
|
|
934 |
//
|
|
935 |
void CSdpOriginField::ParseAddressL(
|
|
936 |
RArray<TPtrC8>& aArray )
|
|
937 |
{
|
|
938 |
if ( !IsValidAddress( aArray[KAddressIndex] ) )
|
|
939 |
{
|
|
940 |
User::Leave( KErrSdpCodecOriginField );
|
|
941 |
}
|
|
942 |
else
|
|
943 |
{
|
|
944 |
iAddress = aArray[KAddressIndex];
|
|
945 |
}
|
|
946 |
|
|
947 |
// Check that address type and address matches together
|
|
948 |
if ( !TypeMatchesWithFormat(
|
|
949 |
aArray[KAddressIndex], aArray[KAddressTypeIndex], iPool ) )
|
|
950 |
{
|
|
951 |
User::Leave( KErrSdpCodecOriginField );
|
|
952 |
}
|
|
953 |
}
|
|
954 |
|
|
955 |
// -----------------------------------------------------------------------------
|
|
956 |
// CSdpOriginField::OriginFieldPtrs
|
|
957 |
// -----------------------------------------------------------------------------
|
|
958 |
//
|
|
959 |
inline CSdpOriginFieldPtrs& CSdpOriginField::OriginFieldPtrs()
|
|
960 |
{
|
|
961 |
return *( reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ) );
|
|
962 |
}
|
|
963 |
|
|
964 |
// -----------------------------------------------------------------------------
|
|
965 |
// CSdpOriginField::OriginFieldPtrs
|
|
966 |
// -----------------------------------------------------------------------------
|
|
967 |
//
|
|
968 |
inline const CSdpOriginFieldPtrs& CSdpOriginField::OriginFieldPtrs() const
|
|
969 |
{
|
|
970 |
return *( reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ) );
|
|
971 |
}
|
|
972 |
|
|
973 |
// -----------------------------------------------------------------------------
|
|
974 |
// CSdpOriginField::Get63Msbs
|
|
975 |
// Returns a maximum of 63 bits of information from the descriptor containing a
|
|
976 |
// decimal number.
|
|
977 |
// -----------------------------------------------------------------------------
|
|
978 |
//
|
|
979 |
TInt64 CSdpOriginField::Get63Msbs( const TDesC8& aDecimalValue ) const
|
|
980 |
{
|
|
981 |
// The maximum amount of digits in a decimal number, that is guaranteed to
|
|
982 |
// fit into 63 bits, is 18. Even if all the 18 digits are 9, the decimal
|
|
983 |
// number is 999999999999999999.
|
|
984 |
const TInt64 KMaxAmountOfDecimalDigits = 18;
|
|
985 |
|
|
986 |
TInt64 value( 0 );
|
|
987 |
TPtrC8 msbPart = aDecimalValue.Left( KMaxAmountOfDecimalDigits );
|
|
988 |
TLex8( msbPart ).Val( value );
|
|
989 |
return value;
|
|
990 |
}
|
|
991 |
|
|
992 |
// -----------------------------------------------------------------------------
|
|
993 |
// CSdpOriginField::SetIPAddressType
|
|
994 |
// -----------------------------------------------------------------------------
|
|
995 |
//
|
|
996 |
void CSdpOriginField::SetIPAddressType( const TInetAddr& aAddr )
|
|
997 |
{
|
|
998 |
iAddressType.Close();
|
|
999 |
if ( aAddr.Address() || aAddr.IsUnspecified() )
|
|
1000 |
{
|
|
1001 |
//IPv4, IPv4-Mapped IPv6 and 0.0.0.0
|
|
1002 |
iAddressType =
|
|
1003 |
iPool.StringF( SdpCodecStringConstants::EAddressTypeIP4,
|
|
1004 |
SdpCodecStringConstants::Table ).Copy();
|
|
1005 |
}
|
|
1006 |
else
|
|
1007 |
{
|
|
1008 |
//IPv6
|
|
1009 |
iAddressType =
|
|
1010 |
iPool.StringF( SdpCodecStringConstants::EAddressType,
|
|
1011 |
SdpCodecStringConstants::Table ).Copy();
|
|
1012 |
}
|
|
1013 |
}
|
|
1014 |
|
|
1015 |
// For DEBUG builds
|
|
1016 |
|
|
1017 |
// -----------------------------------------------------------------------------
|
|
1018 |
// CSdpOriginField::__DbgTestInvariant
|
|
1019 |
// Test invariant
|
|
1020 |
// -----------------------------------------------------------------------------
|
|
1021 |
//
|
|
1022 |
void CSdpOriginField::__DbgTestInvariant() const
|
|
1023 |
{
|
|
1024 |
TBool invariant =
|
|
1025 |
iUserName != NULL
|
|
1026 |
&& SdpUtil::IsToken( iAddressType.DesC() )
|
|
1027 |
&& SdpUtil::IsToken( iNetType.DesC() )
|
|
1028 |
&& IsValidAddress( iAddress )
|
|
1029 |
&& IsValidUserName( OriginFieldPtrs().UserName() )
|
|
1030 |
&& TypeMatchesWithFormat(iAddress, iAddressType.DesC(), iPool)
|
|
1031 |
&& SdpUtil::IsNonWhitespace( OriginFieldPtrs().UserName() );
|
|
1032 |
|
|
1033 |
if ( !invariant )
|
|
1034 |
{
|
|
1035 |
User::Invariant();
|
|
1036 |
}
|
|
1037 |
}
|
|
1038 |
|