private void ValidateExtensionHeaderUnnamedField(IpV6ExtensionHeader header, XElement headerField, ref int optionsIndex)
{
IpV6ExtensionHeaderOptions headerOptions = header as IpV6ExtensionHeaderOptions;
string[] headerFieldShowParts = headerField.Show().Split(':');
string headerFieldShowName = headerFieldShowParts[0];
string headerFieldShowValue = headerFieldShowParts[1];
switch (headerFieldShowName)
{
case "Next header":
headerField.AssertValue((byte)header.NextHeader.Value);
break;
case "Length":
if (header.IsValid)
{
Assert.IsTrue(headerFieldShowValue.EndsWith(" (" + header.Length + " bytes)"));
}
break;
case "Router alert":
IpV6OptionRouterAlert routerAlert = (IpV6OptionRouterAlert)headerOptions.Options[optionsIndex++];
switch (headerFieldShowValue)
{
case " MLD (4 bytes)":
Assert.AreEqual(IpV6RouterAlertType.MulticastListenerDiscovery, routerAlert.RouterAlertType);
break;
case " RSVP (4 bytes)":
Assert.AreEqual(IpV6RouterAlertType.Rsvp, routerAlert.RouterAlertType);
break;
case " Unknown (4 bytes)":
MoreAssert.IsInRange((ushort)IpV6RouterAlertType.ActiveNetwork, (ushort)IpV6RouterAlertType.NextStepsInSignalingNatFirewallLayerProtocol, (ushort)routerAlert.RouterAlertType);
headerField.AssertValueInRange(0x05020002, 0x05020044);
break;
default:
throw new InvalidOperationException("Invalid ipv6 header route Router alert value " + headerFieldShowValue);
}
break;
case "Jumbo payload":
IpV6OptionJumboPayload jumboPayload = (IpV6OptionJumboPayload)headerOptions.Options[optionsIndex++];
Assert.AreEqual(" " + jumboPayload.JumboPayloadLength + " (6 bytes)", headerFieldShowValue);
break;
default:
throw new InvalidOperationException("Invalid ipv6 header unnamed field show name " + headerFieldShowName);
}
}
public static IpV6ExtensionHeaders NextIpV6ExtensionHeaders(this Random random, int count, IpV4Protocol?nextHeader, bool allowEncapsulatingSecurityPayload)
{
if (count == 0)
{
return(IpV6ExtensionHeaders.Empty);
}
IpV6ExtensionHeader[] headers = new IpV6ExtensionHeader[count];
for (int i = headers.Length - 1; i >= 0; --i)
{
headers[i] = random.NextIpV6ExtensionHeader(nextHeader, allowEncapsulatingSecurityPayload && i == headers.Length - 1);
nextHeader = headers[i].Protocol;
}
return(new IpV6ExtensionHeaders(headers));
}
private void ValidateExtensionHeaderUnnamedField(IpV6ExtensionHeader header, XElement headerField)
{
int optionIndex = -1;
ValidateExtensionHeaderUnnamedField(header, headerField, ref optionIndex);
}
