internal override sealed Option Read(byte[] buffer, ref int offset, int length)
{
int num = offset + length;
if (offset == num)
{
return((Option)null);
}
IpV4OptionType optionType = (IpV4OptionType)buffer[offset++];
switch (optionType)
{
case IpV4OptionType.EndOfOptionList:
return((Option)IpV4Option.End);
case IpV4OptionType.NoOperation:
return((Option)IpV4Option.Nop);
default:
return(OptionComplexFactory <IpV4OptionType> .Read(optionType, buffer, ref offset, num - offset));
}
}
internal sealed override V4Option Read(byte[] buffer, ref int offset, int length)
{
int offsetEnd = offset + length;
if (offset == offsetEnd)
{
return(null);
}
IpV4OptionType optionType = (IpV4OptionType)buffer[offset++];
switch (optionType)
{
case IpV4OptionType.EndOfOptionList:
return(End);
case IpV4OptionType.NoOperation:
return(Nop);
default:
return((V4Option)OptionComplexFactory <IpV4OptionType> .Read(optionType, buffer, ref offset, offsetEnd - offset));
}
}
