--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Codec/src/CSIPViaHeaderParams.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,168 @@
+// Copyright (c) 2005-2009 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          : CSIPViaHeaderParams.cpp
+// Part of       : SIP Codec
+// Version       : SIP/4.0 
+//
+
+
+
+#include "CSIPViaHeaderParams.h"
+#include "sipcodecerr.h"
+#include "SIPSyntaxCheck.h"
+#include "sipstrings.h"
+#include "sipstrconsts.h"
+
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::DecodeL
+// -----------------------------------------------------------------------------
+//
+CSIPViaHeaderParams* CSIPViaHeaderParams::DecodeL(const TDesC8& aValue)
+	{
+	__ASSERT_ALWAYS (aValue.Length() > 0, User::Leave(KErrSipCodecViaHeader));
+
+	CSIPViaHeaderParams* params = new(ELeave)CSIPViaHeaderParams;
+	CleanupStack::PushL (params);
+	params->ParseL(aValue);
+	CleanupStack::Pop(params);
+	return params;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::NewL
+// -----------------------------------------------------------------------------
+//
+CSIPViaHeaderParams* CSIPViaHeaderParams::NewL(
+    const CSIPViaHeaderParams& aParams)
+	{
+	CSIPViaHeaderParams* self = CSIPViaHeaderParams::NewLC (aParams);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::NewLC
+// -----------------------------------------------------------------------------
+//
+CSIPViaHeaderParams* CSIPViaHeaderParams::NewLC(
+    const CSIPViaHeaderParams& aParams)
+	{
+	CSIPViaHeaderParams* self = new(ELeave)CSIPViaHeaderParams;
+	CleanupStack::PushL(self);
+	self->ConstructL(aParams);
+	return self;
+	}	
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::CSIPViaHeaderParams
+// -----------------------------------------------------------------------------
+//
+CSIPViaHeaderParams::CSIPViaHeaderParams ()
+ : CSIPParamContainerBase(';')
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::~CSIPViaHeaderParams
+// -----------------------------------------------------------------------------
+//
+CSIPViaHeaderParams::~CSIPViaHeaderParams ()
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::operator==
+// -----------------------------------------------------------------------------
+//
+TBool CSIPViaHeaderParams::operator==(const CSIPViaHeaderParams& aParams) const
+	{
+	// All parameters in a Via-header must be present in the other one
+	// and their values must match.
+	for (TInt i=0; i < iParams.Count(); i++)
+		{
+		TInt index = aParams.FindParamIndex(iParams[i]->Name());
+		if (index < 0)
+			{
+			return EFalse;
+			}
+		if (!(*(aParams.iParams[index]) == *(iParams[i])))
+			{
+			return EFalse;
+			}
+		}
+	for (TInt j=0; j < aParams.iParams.Count(); j++)
+		{
+		TInt index = FindParamIndex(aParams.iParams[j]->Name());
+		if (index < 0)
+			{
+			return EFalse;
+			}
+		}
+	return ETrue;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPViaHeaderParams::CheckParamL
+// -----------------------------------------------------------------------------
+//
+void CSIPViaHeaderParams::CheckParamL (CSIPParam& aParam) const
+	{
+	RStringF name = aParam.Name();
+	TPtrC8 value = aParam.Value().DesC(); 	
+	// ttl
+	if (name == SIPStrings::StringF(SipStrConsts::ETtl))
+		{
+		if (!SIPSyntaxCheck::TtlValue(value))
+			{
+			User::Leave(KErrSipCodecViaHeader);
+			}
+		return;
+		}
+	// maddr
+	if (name == SIPStrings::StringF(SipStrConsts::EMaddr))
+		{
+		if (!SIPSyntaxCheck::Host(value))
+			{
+			User::Leave(KErrSipCodecViaHeader);
+			}
+		return;
+		}
+	// received
+	if (name == SIPStrings::StringF(SipStrConsts::EReceived))
+		{
+		CSIPHostPort::TType hostType;
+		if (SIPSyntaxCheck::HostType(value,hostType) != KErrNone)
+			{
+			User::Leave(KErrSipCodecViaHeader);
+			}
+		if (!(hostType == CSIPHostPort::ESIPIpv4 || 
+		      hostType == CSIPHostPort::ESIPIpv6))
+			{
+			User::Leave(KErrSipCodecViaHeader);
+			}
+		return;
+		}
+	// branch
+	if (name == SIPStrings::StringF(SipStrConsts::EBranch))
+		{
+		if (!SIPSyntaxCheck::Token(value))
+			{
+			User::Leave(KErrSipCodecViaHeader);
+			}
+		return;
+		}
+    // generic-param
+    CheckGenericParamL(aParam, KErrSipCodecViaHeader);
+	}