diff -r 000000000000 -r 307788aac0a8 realtimenetprots/sipfw/SDP/src/SdpOriginField.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SDP/src/SdpOriginField.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,1038 @@
+// Copyright (c) 2003-2009 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:
+// Name          :  SdpOriginField.cpp
+// Part of       :  SDP Codec
+// Version       :  1.0
+//
+
+
+
+#include <in_sock.h>
+#include <s32strm.h>
+#include "SdpOriginField.h"
+#include "SdpOriginFieldPtrs.h"
+#include "SdpUtil.h"
+#include "sdpcodecstringconstants.h"
+#include "SdpCodecConstants.h"
+#include "SdpCodecStringPool.h"
+#include "SdpCodecErr.h"
+#include "SDPCodec.pan"
+#include "_sdpdefs.h"
+
+// LOCAL CONSTANTS AND MACROS
+const TUint KMaxIPDesLength = 39;
+const TUint KHeaderIndex = 0;
+const TUint KUserNameIndex = 1;
+const TUint KSessionIdIndex = 2;
+const TUint KSessionVersionIndex = 3;
+const TUint KNetworkTypeIndex = 4;
+const TUint KAddressTypeIndex = 5;
+const TUint KAddressIndex = 6;
+const TInt KTokenCount = 7;
+const TInt64 KDummyValue = 1;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::CSdpOriginField
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSdpOriginField::CSdpOriginField()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ConstructL(    
+    const TDesC8& aText )
+	{
+    // aText should be of format:
+    // o=<username> <session id> <version> <network type> 
+    // <address type> <address>     
+    iPool = SdpCodecStringPool::StringPoolL();
+
+    RArray<TPtrC8> array;
+    array = SdpUtil::GetElementsFromLineL( aText, KErrSdpCodecOriginField );
+    
+    CleanupClosePushL( array );
+
+    if ( array.Count() != KTokenCount )
+        {
+        User::Leave( KErrSdpCodecOriginField );
+        }
+
+    // Check that the line contains valid header
+    RStringF origHeader =  iPool.StringF( SdpCodecStringConstants::EOrigin, 
+                                          SdpCodecStringConstants::Table );
+    if ( origHeader.DesC().CompareF( array[KHeaderIndex] ) != 0 )
+        {
+        // Header didn't match
+        User::Leave( KErrSdpCodecOriginField );
+        }
+    
+    iUserName =
+    	reinterpret_cast< HBufC8* >( CSdpOriginFieldPtrs::NewL( 0, 0 ) );
+		
+    
+    // <username>   
+    ParseUserNameL( array );
+    
+    // <session id> & <version>
+    ParseSessionIDAndVersionL( array );
+    
+    // <network type> & <address type>
+    ParseNetTypeAndAddressTypeL( array );
+    
+    // <address>
+    ParseAddressL( array );
+    
+	//If address is IPv4-Mapped IPv6 , it is changed to IPv4
+	TInetAddr addr;
+	TBuf<KMaxAddressLength> address;
+	address.Copy(iAddress);
+
+	TInt err = addr.Input( address );
+	if ( err == KErrNone )
+		{
+        // Valid IP address
+		TBuf<KMaxIPDesLength> buf;
+		addr.Output( buf );
+		iAddress.Copy(buf); 
+
+        SetIPAddressType( addr );
+		}
+
+
+
+    CleanupStack::PopAndDestroy();  // array
+
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ConstructL(
+    const TDesC8& aUserName, 
+    TInt64 aSessionId, 
+    TInt64 aSessionVersion, 
+    TInetAddr& aUnicastAddress )
+	{
+    iPool = SdpCodecStringPool::StringPoolL();
+
+	__ASSERT_ALWAYS( 
+                   IsValidUserName( aUserName )
+				&& IsValidAddress( aUnicastAddress )
+                && aSessionId >= 0 && aSessionVersion >= 0,
+				User::Leave( KErrSdpCodecOriginField ) );
+
+	iUserName = reinterpret_cast< HBufC8* >
+		( CSdpOriginFieldPtrs::NewL( aSessionId, aSessionVersion ) );
+	OriginFieldPtrs().SetUserNameL( aUserName );
+	
+    TBuf<KMaxIPDesLength> des;
+    aUnicastAddress.Output( des );
+	//if aUnicastAddress was IPv4-Mapped IPv6 address,
+	// the result of Output is IPv4
+	// the address is stored in IPv4 format, so the iAddressType 
+	// must also be IPv4.    
+    iAddress.Copy( des );
+    SetIPAddressType( aUnicastAddress );
+
+    iNetType = iPool.StringF( SdpCodecStringConstants::ENetType, 
+                              SdpCodecStringConstants::Table ).Copy();
+       
+	__TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ConstructL( 
+    const TDesC8& aUserName, 
+    TInt64 aSessionId, 
+    TInt64 aSessionVersion, 
+    RStringF aNetType, 
+    RStringF aAddressType, 
+    const TDesC8& aAddress )
+    {        
+    iPool = SdpCodecStringPool::StringPoolL();
+     
+    __ASSERT_ALWAYS(
+               IsValidUserName( aUserName )
+            && IsValidAddress( aAddress ) &&
+            TypeMatchesWithFormat( aAddress, aAddressType.DesC(), iPool )
+            && ( SdpUtil::IsToken( aNetType.DesC() ) )
+            && ( SdpUtil::IsToken( aAddressType.DesC() ) )
+            && aSessionId >= 0 && aSessionVersion >= 0,
+            User::Leave( KErrSdpCodecOriginField ) );
+    
+    iUserName = reinterpret_cast< HBufC8* >
+		( CSdpOriginFieldPtrs::NewL( aSessionId, aSessionVersion ) );
+	OriginFieldPtrs().SetUserNameL( aUserName );	
+
+    iNetType = aNetType.Copy();
+    	TInetAddr addr;
+	TBuf<KMaxAddressLength> address;
+	address.Copy(aAddress);
+	TInt err = addr.Input(address);
+	if ( err  == KErrNone )
+		{
+		// Valid IP address
+		TBuf< KMaxIPDesLength > buf;
+		addr.Output( buf );
+		iAddress.Copy( buf );		
+		SetIPAddressType( addr );
+		}
+	else
+		{
+		iAddress = aAddress;
+    	iAddressType = aAddressType.Copy();	
+		}
+    __TEST_INVARIANT;    
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::DecodeL
+// Two-phased constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::DecodeL(    
+    const TDesC8& aText )
+	{
+	CSdpOriginField* obj = CSdpOriginField::DecodeLC( aText );
+	CleanupStack::Pop();
+	return obj;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::DecodeLC
+// Two-phased constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::DecodeLC(    
+    const TDesC8& aText )
+	{
+	CSdpOriginField* obj = new ( ELeave ) CSdpOriginField;
+	CleanupStack::PushL( obj );
+	obj->ConstructL(aText );
+	return obj;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::NewL
+// Two-phased constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::NewL(    
+    const TDesC8& aUserName, 
+	TInt64 aSessionId, 
+	TInt64 aSessionVersion, 
+	TInetAddr& aAddress )
+	{
+	CSdpOriginField* obj = CSdpOriginField::NewLC( 
+        aUserName, aSessionId, aSessionVersion, aAddress );
+	CleanupStack::Pop();
+	return obj;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::NewLC
+// Two-phased constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::NewLC(    
+    const TDesC8& aUserName, 
+	TInt64 aSessionId, 
+	TInt64 aSessionVersion, 
+	TInetAddr& aAddress )
+	{
+	CSdpOriginField* obj = new ( ELeave ) CSdpOriginField;
+	CleanupStack::PushL(obj);
+	obj->ConstructL( aUserName, aSessionId, aSessionVersion, aAddress );
+	return obj;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::NewL
+// Two-phased constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::NewL(
+    const TDesC8& aUserName, 
+	TInt64 aSessionId, 
+	TInt64 aSessionVersion, 
+    RStringF aNetType,
+    RStringF aAddressType, 
+	const TDesC8& aAddress )
+    {
+	CSdpOriginField* obj = CSdpOriginField::NewLC( 
+        aUserName, aSessionId, aSessionVersion, aNetType, 
+        aAddressType, aAddress );
+	CleanupStack::Pop();
+	return obj;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::NewLC
+// Two-phased constructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::NewLC(
+    const TDesC8& aUserName, 
+	TInt64 aSessionId, 
+	TInt64 aSessionVersion, 
+	RStringF aNetType,
+    RStringF aAddressType, 
+	const TDesC8& aAddress )
+    {    
+    CSdpOriginField* obj = new ( ELeave ) CSdpOriginField;
+	CleanupStack::PushL( obj );
+	obj->ConstructL( aUserName, aSessionId, aSessionVersion, aNetType, 
+                     aAddressType, aAddress );
+    return obj;    
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::~CSdpOriginField
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField::~CSdpOriginField()
+	{
+	CSdpOriginFieldPtrs* tmp =
+		reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName );
+	delete tmp;
+
+    iNetType.Close();
+    iAddressType.Close();
+	}
+    
+// -----------------------------------------------------------------------------
+// CSdpOriginField::EncodeL
+// Writes attributes in proper format to the stream
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSdpOriginField::EncodeL(
+    RWriteStream& aStream ) const
+	{
+    __TEST_INVARIANT;
+
+    // o=<username> <session id> <version> <network type> <address type> 
+    //   <address>    
+
+    // "o="
+    RStringF header = iPool.StringF( SdpCodecStringConstants::EOrigin, 
+                                     SdpCodecStringConstants::Table );
+    aStream.WriteL( header.DesC() );
+
+    // <username>
+    aStream.WriteL( OriginFieldPtrs().UserName() );
+	aStream.WriteL( KSPStr );
+
+    // <session id>    
+	aStream.WriteL( OriginFieldPtrs().SessionId() );
+	aStream.WriteL( KSPStr );
+
+    // <version>
+    aStream.WriteL( OriginFieldPtrs().SessionVersion() );
+	aStream.WriteL( KSPStr );
+
+    // <network type>
+    aStream.WriteL( iNetType.DesC() );
+    aStream.WriteL( KSPStr );    
+
+    // <address type>
+    aStream.WriteL( iAddressType.DesC() );
+    aStream.WriteL( KSPStr );
+
+    // <address>
+    aStream.WriteL( iAddress );
+
+    // End-of-Line mark
+	aStream.WriteL( KCRLFStr );
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::CloneL
+// Creates an exact copy of the origin field
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSdpOriginField* CSdpOriginField::CloneL() const
+	{
+	__TEST_INVARIANT;
+
+    CSdpOriginField* obj = 0;
+
+    if ( InetAddress() )
+        {
+        // Clones instance with TInetAddr
+        TInetAddr addr( *InetAddress() );        
+        obj = CSdpOriginField::NewLC( UserName(), KDummyValue,
+        							  KDummyValue, addr );
+        }
+    else
+        {
+        // Clones instance with Internet address as a standard string               
+        obj = CSdpOriginField::NewLC( UserName(), KDummyValue, KDummyValue,
+                                      iNetType, iAddressType,  Address() );        
+        }
+
+	// Set the real values
+	obj->OriginFieldPtrs().SetSessionIdL( OriginFieldPtrs().SessionId() );
+	obj->OriginFieldPtrs().SetSessionVersionL(
+		OriginFieldPtrs().SessionVersion() );
+	CleanupStack::Pop( obj );
+		
+	__ASSERT_DEBUG( *this == *obj, User::Panic( KSdpCodecPanicCat, 
+                                                KSdpCodecPanicInternal ) );
+	return obj;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::operator ==
+// Checks if two origin fields are equal
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CSdpOriginField::operator == (
+    const CSdpOriginField& aObj) const
+	{
+	__TEST_INVARIANT;
+
+    TBool equalFields = EFalse;
+
+    // Check that username, session ID and address type match before
+    // going to internet address       
+    if ( ( UserName().CompareF( aObj.UserName() ) == 0 ) &&
+         ( SessionId() == aObj.SessionId() ) &&
+         ( AddressType() == aObj.AddressType() ) &&
+         ( Version() == aObj.Version() ) &&
+         ( NetType() == aObj.NetType() ) )
+        {
+        if ( InetAddress() && aObj.InetAddress() )
+            {            
+            if ( (*InetAddress()).Match( *aObj.InetAddress() ) )
+                {
+                equalFields = ETrue;
+                }
+            }
+        else if ( !InetAddress() && !aObj.InetAddress() )            
+            {
+            if ( iAddress.CompareF( aObj.Address() ) == 0 )
+                {
+                equalFields = ETrue;
+                }
+            }                
+        else
+            {
+            // These two are not the same
+            }
+        }   
+        
+    return equalFields;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::UserName
+// Returns username
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TDesC8& CSdpOriginField::UserName() const
+    {
+    __TEST_INVARIANT;
+    return OriginFieldPtrs().UserName();
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SetUserNameL
+// Sets a new username
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSdpOriginField::SetUserNameL(
+    const TDesC8& aValue )
+    {
+    __TEST_INVARIANT;
+    if ( IsValidUserName( aValue ) )
+        {
+        OriginFieldPtrs().SetUserNameL( aValue );
+        }
+    else
+        {
+        User::Leave( KErrSdpCodecOriginField );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SessionId
+// Returns current session id
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt64 CSdpOriginField::SessionId() const
+    {
+    __TEST_INVARIANT;
+
+    return Get63Msbs( OriginFieldPtrs().SessionId() );
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SetSessionId
+// Sets new session ID
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSdpOriginField::SetSessionId(
+	TInt64 aValue )
+    {
+    __TEST_INVARIANT;
+    if ( aValue >= 0 )
+        {
+        TRAP_IGNORE( OriginFieldPtrs().SetSessionIdL( aValue ) )
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::Version
+// Returns version number of the announcement
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt64 CSdpOriginField::Version() const
+    {
+    __TEST_INVARIANT;
+
+    return Get63Msbs( OriginFieldPtrs().SessionVersion() );
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SetVersion
+// Sets new version for this session's announcement
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSdpOriginField::SetVersion(
+	TInt64 aValue )
+    {
+    __TEST_INVARIANT;
+    if ( aValue >= 0 )
+        {
+        TRAP_IGNORE( OriginFieldPtrs().SetSessionVersionL( aValue ) )        
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::NetType
+// Returns net type (always Internet)
+// -----------------------------------------------------------------------------
+//
+EXPORT_C RStringF CSdpOriginField::NetType() const
+	{
+	__TEST_INVARIANT;
+	return iNetType;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::AddressType
+// Returns address type (IP4/IP6)
+// -----------------------------------------------------------------------------
+//
+EXPORT_C RStringF CSdpOriginField::AddressType() const
+	{
+	__TEST_INVARIANT;    
+    return iAddressType;        
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::InetAddress
+// Returns the unicast address
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TInetAddr* CSdpOriginField::InetAddress() const
+	{
+	__TEST_INVARIANT;
+    
+    TBuf<KMaxAddressLength> address16;
+    address16.Copy( iAddress );
+    TInt err = iUnicastAddress.Input( address16 );
+    
+    if ( !err )
+        {
+        return &iUnicastAddress;
+        }
+    else
+        {
+        return NULL;
+        }
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::Address
+// Returns the address
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TDesC8& CSdpOriginField::Address() const
+    {
+    __TEST_INVARIANT;
+    return iAddress;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SetInetAddress
+// Sets Internet Address
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSdpOriginField::SetInetAddress(
+    const TInetAddr& aValue )
+	{    
+	__TEST_INVARIANT;
+    
+	if ( IsValidAddress( aValue ) )
+        {                       
+        TBuf<KMaxIPDesLength> buf;
+        aValue.Output( buf );
+        // Copy new address to safe
+        iAddress.Copy( buf );
+    
+        // Copy network type and address type        
+        SdpUtil::SetDefaultNetTypeAndAddrType( 
+            iPool, aValue, iNetType, iAddressType );
+        SetIPAddressType( aValue );
+        }
+
+    __TEST_INVARIANT;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SetAddressL
+// Sets address from the buffer
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSdpOriginField::SetAddressL(
+    const TDesC8& aAddress,
+    RStringF aNetType, 
+    RStringF aAddressType )
+    {
+    __TEST_INVARIANT;
+     
+    __ASSERT_ALWAYS( SdpUtil::IsToken( aNetType.DesC() )  &&
+                     SdpUtil::IsToken( aAddressType.DesC() ) &&
+                     IsValidAddress( aAddress ) &&
+                     TypeMatchesWithFormat( aAddress, 
+                                            aAddressType.DesC(), iPool ),
+                     User::Leave( KErrSdpCodecOriginField ) );
+
+    iAddress = aAddress;
+    iAddressType.Close();
+    iAddressType = aAddressType.Copy();
+
+    __TEST_INVARIANT;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ExternalizeL
+// Externalizes the field back to string
+// -----------------------------------------------------------------------------
+//	
+void CSdpOriginField::ExternalizeL(
+    RWriteStream& aStream ) const
+    {
+    __TEST_INVARIANT;
+
+    // <username>    
+    aStream.WriteUint32L( UserName().Length() );
+	aStream.WriteL( UserName(), UserName().Length() );
+    // <session id>
+    aStream.WriteUint32L( OriginFieldPtrs().SessionId().Length() );
+    aStream.WriteL( OriginFieldPtrs().SessionId(),
+    				OriginFieldPtrs().SessionId().Length() );
+    // <version>
+    aStream.WriteUint32L( OriginFieldPtrs().SessionVersion().Length() );
+    aStream.WriteL( OriginFieldPtrs().SessionVersion(),
+    				OriginFieldPtrs().SessionVersion().Length() );
+    // <network type>
+    aStream.WriteUint32L( iNetType.DesC().Length() );
+    aStream.WriteL( iNetType.DesC() );
+    // <address type>
+    aStream.WriteUint32L( iAddressType.DesC().Length() );
+    aStream.WriteL( iAddressType.DesC() );    
+    // <address>
+    aStream.WriteUint32L( iAddress.Length() );
+    aStream.WriteL( iAddress );
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::InternalizeL
+// Internalizes from stream
+// -----------------------------------------------------------------------------
+//	
+CSdpOriginField* CSdpOriginField::InternalizeL(
+    RReadStream& aStream )
+    {    
+    RStringPool pool = SdpCodecStringPool::StringPoolL();
+
+    // <username>        
+    TUint32 length = aStream.ReadUint32L();
+	HBufC8* userName = HBufC8::NewLC( length );
+    TPtr8 ptr( userName->Des() );  
+    aStream.ReadL( ptr, length );    
+
+    // <session id>
+    length = aStream.ReadUint32L();
+	HBufC8* sessionId = HBufC8::NewLC( length );
+    ptr.Set( sessionId->Des() );
+    aStream.ReadL( ptr, length );
+
+    // <version>
+    length = aStream.ReadUint32L();
+	HBufC8* version = HBufC8::NewLC( length );
+    ptr.Set( version->Des() );
+    aStream.ReadL( ptr, length );
+
+    // <network type>
+    length = aStream.ReadUint32L();
+    HBufC8* netType = HBufC8::NewLC( length );
+    ptr.Set( netType->Des() );
+    aStream.ReadL( ptr, length );
+
+    // <address type>
+    length = aStream.ReadUint32L();
+    HBufC8* addrType = HBufC8::NewLC( length );
+    ptr.Set( addrType->Des() );
+    aStream.ReadL( ptr, length );
+
+    // <address>        
+    length = aStream.ReadUint32L();
+    HBufC8* address = HBufC8::NewLC( length );
+    TPtr8 ptr2( address->Des() );
+    aStream.ReadL( ptr2, length );
+            
+    RStringF netTypeStr = pool.OpenFStringL( *netType );
+    RStringF addrTypeStr = pool.OpenFStringL( *addrType );
+    CleanupClosePushL( netTypeStr );
+    CleanupClosePushL( addrTypeStr );
+
+	CSdpOriginField* obj = CSdpOriginField::NewLC( *userName, KDummyValue,
+												   KDummyValue, netTypeStr,
+												   addrTypeStr, *address );
+	// Set the real values
+	obj->OriginFieldPtrs().SetSessionIdL( *sessionId );
+	obj->OriginFieldPtrs().SetSessionVersionL( *version );
+	CleanupStack::Pop( obj );
+    CleanupStack::Pop( 2 ); // addrTypeStr, netTypeStr
+    CleanupStack::PopAndDestroy( address );
+    CleanupStack::PopAndDestroy( addrType );
+    CleanupStack::PopAndDestroy( netType );
+    CleanupStack::PopAndDestroy( version );
+    CleanupStack::PopAndDestroy( sessionId );
+    CleanupStack::PopAndDestroy( userName );    
+
+    return obj;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::IsValidAddress
+// Checks if the address is valid
+// -----------------------------------------------------------------------------
+//
+TBool CSdpOriginField::IsValidAddress( 
+    const TDesC8& aAddress ) const
+    {
+    TInetAddr addr;
+    TBool valid = ETrue;
+
+    if ( aAddress.Length() > 0 && aAddress.Length() <= KMaxAddressLength )
+        {
+        TBuf<KMaxAddressLength> address16;
+        address16.Copy( aAddress );
+        TInt err = addr.Input( address16 );
+
+        if ( !err )
+            {
+            valid = ( addr.IsUnicast() || addr.IsUnspecified() );
+            }
+        else
+            {
+            RStringF addrTypeIP4 = 
+                iPool.StringF( SdpCodecStringConstants::EAddressTypeIP4,
+                               SdpCodecStringConstants::Table );
+            RStringF addrTypeIP6 = 
+                iPool.StringF( SdpCodecStringConstants::EAddressType,
+                               SdpCodecStringConstants::Table );
+            
+            if ( iAddressType == addrTypeIP4 || iAddressType == addrTypeIP6 )
+                {
+                // FQDN address, check that it has only valid characters
+                // 0..9, a..z, A..Z, '.', '-'
+                        
+                for ( TInt i( 0 ); i < aAddress.Length() && valid; i++ )
+                    {
+                    if (KValidFQDNChars().Locate(aAddress[i]) == KErrNotFound)
+                        {
+                        valid = EFalse;     
+                        }
+                    }
+                }
+            else
+                {
+                valid = SdpUtil::IsNonWhitespace( aAddress );
+                }
+            }       
+        }
+    else
+    	{
+    	valid = EFalse;
+    	}
+
+    return valid;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::IsValidAddress
+// Checks if the address is valid
+// -----------------------------------------------------------------------------
+//
+TBool CSdpOriginField::IsValidAddress( 
+    const TInetAddr& addr ) const
+    {
+    TBuf<KMaxIPDesLength> buf16;
+    TBuf8<KMaxIPDesLength> buf;
+	//if addr is IPv4-Mapped IPv6, buf value will be IPv4 after Output
+    addr.Output( buf16 );
+    buf.Copy( buf16 );
+
+    return IsValidAddress( buf );
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::TypeMatchesWithFormat
+// Checks if address type is aligned with the address format
+// -----------------------------------------------------------------------------
+//
+TBool CSdpOriginField::TypeMatchesWithFormat( 
+    const TDesC8& aAddress, 
+    const TDesC8& aType,
+    RStringPool aPool ) const
+    {
+    RStringF addrTypeIP4 = 
+        aPool.StringF( SdpCodecStringConstants::EAddressTypeIP4,
+                              SdpCodecStringConstants::Table );
+    RStringF addrTypeIP6 = 
+        aPool.StringF( SdpCodecStringConstants::EAddressType,
+                              SdpCodecStringConstants::Table );
+    
+    TBool valid( ETrue );
+    
+    // Check that address type and address matches together
+    TInetAddr addr;
+    TBuf<KMaxAddressLength> address16;
+    address16.Copy( aAddress );
+    TInt err = addr.Input( address16 );    
+    if ( err == KErrNone && !addr.IsUnspecified())
+        {
+        TBool ip4Type = ( addrTypeIP4.DesC().CompareF( aType ) == 0 );
+        TBool ip6Type = ( addrTypeIP6.DesC().CompareF( aType ) == 0 );
+             
+        if ( ip4Type || ip6Type )
+            {
+            if ( ( addr.Address() && !addr.IsV4Mapped() && !ip4Type ) ||
+				 (addr.Address() && addr.IsV4Mapped() && !ip6Type) ||
+                 ( !addr.Address() && !ip6Type ) )
+                {
+                valid = EFalse;
+                }
+            }
+        } 
+    
+    return valid;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::IsValidUserName
+// Checks if the given username is valid
+// -----------------------------------------------------------------------------
+//
+TBool CSdpOriginField::IsValidUserName( 
+    const TDesC8& aUserName ) const
+    {
+    TBool valid = EFalse;
+
+    if ( aUserName.Length() > 0 && SdpUtil::IsNonWhitespace( aUserName ) )
+        {
+        valid = ETrue;
+        }
+
+    return valid;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ParseUserNameL
+// Parses username. Can't use CSdpOriginField::SetUserNameL, as invariant would
+// fail.
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ParseUserNameL( 
+    RArray<TPtrC8>& aArray )
+    {
+    __ASSERT_ALWAYS( IsValidUserName( aArray[KUserNameIndex] ), 
+                     User::Leave( KErrSdpCodecOriginField ) );
+	OriginFieldPtrs().SetUserNameL( aArray[KUserNameIndex] );    
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ParseSessionIDAndVersionL
+// Parses session ID and version
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ParseSessionIDAndVersionL( 
+    RArray<TPtrC8>& aArray )
+    {
+    __ASSERT_ALWAYS( SdpUtil::IsDigit( aArray[KSessionIdIndex] ) &&
+    				 SdpUtil::IsDigit( aArray[KSessionVersionIndex] ),
+    				 User::Leave( KErrSdpCodecOriginField ) );
+
+    OriginFieldPtrs().SetSessionIdL( aArray[KSessionIdIndex] );
+    OriginFieldPtrs().SetSessionVersionL( aArray[KSessionVersionIndex] );    
+    }
+ 
+ // -----------------------------------------------------------------------------
+// CSdpOriginField::ParseNetTypeAndAddressTypeL
+// Parses network type and address type
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ParseNetTypeAndAddressTypeL( 
+    RArray<TPtrC8>& aArray )
+    {
+    if ( !SdpUtil::IsToken( aArray[KNetworkTypeIndex] ) ||
+         !SdpUtil::IsToken( aArray[KAddressTypeIndex] ) )
+        {        
+        User::Leave( KErrSdpCodecOriginField );
+        }
+
+    iNetType = iPool.OpenFStringL( aArray[KNetworkTypeIndex] );  
+    iAddressType = iPool.OpenFStringL( aArray[KAddressTypeIndex] );    
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::ParseAddressL
+// Parses address
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::ParseAddressL( 
+    RArray<TPtrC8>& aArray )
+    {    
+    if ( !IsValidAddress( aArray[KAddressIndex] ) )
+        {
+        User::Leave( KErrSdpCodecOriginField );
+        }
+    else
+        {
+        iAddress = aArray[KAddressIndex];
+        }
+
+    // Check that address type and address matches together
+    if ( !TypeMatchesWithFormat( 
+                    aArray[KAddressIndex], aArray[KAddressTypeIndex], iPool ) )
+        {
+        User::Leave( KErrSdpCodecOriginField );            
+        } 
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::OriginFieldPtrs
+// -----------------------------------------------------------------------------
+//  
+inline CSdpOriginFieldPtrs& CSdpOriginField::OriginFieldPtrs()
+    {
+    return *( reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::OriginFieldPtrs
+// -----------------------------------------------------------------------------
+//  
+inline const CSdpOriginFieldPtrs& CSdpOriginField::OriginFieldPtrs() const
+    {
+    return *( reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::Get63Msbs
+// Returns a maximum of 63 bits of information from the descriptor containing a
+// decimal number.
+// -----------------------------------------------------------------------------
+//
+TInt64 CSdpOriginField::Get63Msbs( const TDesC8& aDecimalValue ) const
+	{	
+	// The maximum amount of digits in a decimal number, that is guaranteed to
+  	// fit into 63 bits, is 18. Even if all the 18 digits are 9, the decimal
+  	// number is 999999999999999999.
+  	const TInt64 KMaxAmountOfDecimalDigits = 18;
+
+    TInt64 value( 0 );
+    TPtrC8 msbPart = aDecimalValue.Left( KMaxAmountOfDecimalDigits );
+	TLex8( msbPart ).Val( value );
+    return value;
+	}
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::SetIPAddressType
+// -----------------------------------------------------------------------------
+//
+void CSdpOriginField::SetIPAddressType( const TInetAddr& aAddr )
+    {
+    iAddressType.Close();
+    if ( aAddr.Address() || aAddr.IsUnspecified() )
+        {
+        //IPv4, IPv4-Mapped IPv6 and 0.0.0.0
+	    iAddressType =
+            iPool.StringF( SdpCodecStringConstants::EAddressTypeIP4,
+                           SdpCodecStringConstants::Table ).Copy();
+        }
+    else
+        {
+        //IPv6
+        iAddressType =
+            iPool.StringF( SdpCodecStringConstants::EAddressType,
+                           SdpCodecStringConstants::Table ).Copy();
+ 		}
+    }
+
+// For DEBUG builds
+
+// -----------------------------------------------------------------------------
+// CSdpOriginField::__DbgTestInvariant
+// Test invariant
+// -----------------------------------------------------------------------------
+//	
+void CSdpOriginField::__DbgTestInvariant() const
+	{	    
+	TBool invariant = 
+				iUserName != NULL	
+                && SdpUtil::IsToken( iAddressType.DesC() )
+                && SdpUtil::IsToken( iNetType.DesC() )
+				&& IsValidAddress( iAddress )
+				&& IsValidUserName( OriginFieldPtrs().UserName() )
+                && TypeMatchesWithFormat(iAddress, iAddressType.DesC(), iPool)
+                && SdpUtil::IsNonWhitespace( OriginFieldPtrs().UserName() );
+	
+    if ( !invariant )
+        {
+		User::Invariant();
+        }
+	}
+