internal static IpV6ExtensionHeader CreateInstance(IpV4Protocol nextHeader, DataSegment extensionHeaderData, out int numBytesRead)
{
if (IpV6ExtensionHeaderStandard.IsStandard(nextHeader))
{
return(IpV6ExtensionHeaderStandard.CreateInstanceStandard(nextHeader, extensionHeaderData, out numBytesRead));
}
switch (nextHeader)
{
case IpV4Protocol.EncapsulatingSecurityPayload: // 50
return(IpV6ExtensionHeaderEncapsulatingSecurityPayload.CreateInstance(extensionHeaderData, out numBytesRead));
case IpV4Protocol.AuthenticationHeader: // 51
return(IpV6ExtensionHeaderAuthentication.CreateInstance(extensionHeaderData, out numBytesRead));
default:
throw new InvalidOperationException("Invalid next header value" + nextHeader);
}
}
internal static IpV6ExtensionHeader CreateInstance(IpV4Protocol nextHeader, DataSegment extensionHeaderData, out int numBytesRead)
{
switch (nextHeader)
{
case IpV4Protocol.IpV6HopByHopOption: // 0
case IpV4Protocol.IpV6Route: // 43
case IpV4Protocol.FragmentHeaderForIpV6: // 44
case IpV4Protocol.IpV6Opts: // 60
case IpV4Protocol.MobilityHeader: // 135
return(CreateStandardInstance(nextHeader, extensionHeaderData, out numBytesRead));
case IpV4Protocol.EncapsulatingSecurityPayload: // 50
return(IpV6ExtensionHeaderEncapsulatingSecurityPayload.CreateInstance(extensionHeaderData, out numBytesRead));
case IpV4Protocol.AuthenticationHeader: // 51
return(IpV6ExtensionHeaderAuthentication.CreateInstance(extensionHeaderData, out numBytesRead));
default:
throw new InvalidOperationException("Invalid nextHeader value" + nextHeader);
}
}
