/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">A <see cref="ByteArraySegment" /></param>
/// <param name="parentPacket">The parent packet.</param>
public GrePacket(ByteArraySegment byteArraySegment, Packet parentPacket)
{
// slice off the header portion
Header = new ByteArraySegment(byteArraySegment)
{
Length = GreFields.FlagsLength + GreFields.ProtocolLength
};
if (HasCheckSum)
{
Header.Length += GreFields.ChecksumLength;
}
if (HasReserved)
{
Header.Length += GreFields.ReservedLength;
}
if (HasKey)
{
Header.Length += GreFields.KeyLength;
}
if (HasSequence)
{
Header.Length += GreFields.SequenceLength;
}
// parse the encapsulated bytes
PayloadPacketOrData = new LazySlim <PacketOrByteArraySegment>(() => EthernetPacket.ParseNextSegment(Header, Protocol));
ParentPacket = parentPacket;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public LinuxSllPacket(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment)
{
Length = LinuxSllFields.SLLHeaderLength
};
// parse the payload via an EthernetPacket method
PayloadPacketOrData = new LazySlim <PacketOrByteArraySegment>(() => EthernetPacket.ParseNextSegment(Header,
EthernetProtocolType));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public LinuxSllPacket(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment)
{
Length = LinuxSllFields.SLLHeaderLength
};
// parse the payload via an EthernetPacket method
PayloadPacketOrData = new Lazy <PacketOrByteArraySegment>(() => EthernetPacket.ParseNextSegment(Header,
EthernetProtocolType),
LazyThreadSafetyMode.PublicationOnly);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public Ieee8021QPacket(ByteArraySegment byteArraySegment)
{
// set the header field, header field values are retrieved from this byte array
Header = new ByteArraySegment(byteArraySegment)
{
Length = Ieee8021QFields.HeaderLength
};
// parse the payload via an EthernetPacket method
PayloadPacketOrData = new LazySlim <PacketOrByteArraySegment>(() => EthernetPacket.ParseNextSegment(Header,
Type));
}