/// <summary>
/// Returns the embedded Wake-On-LAN packet
/// or null if there is none
/// </summary>
/// <returns>
/// A Wake-On-LAN packet
/// </returns>
public static WakeOnLanPacket GetEncapsulated(Packet p)
{
if (p is EthernetPacket)
{
var payload = EthernetPacket.GetInnerPayload((InternetLinkLayerPacket)p);
if (((EthernetPacket)p).Type == EthernetPacketType.WakeOnLan)
{
var payloadBas = new ByteArraySegment(p.PayloadData);
if (WakeOnLanPacket.IsValid(payloadBas))
{
return(new WakeOnLanPacket(payloadBas));
}
}
if (payload != null && payload is IpPacket)
{
var innerPayload = payload.PayloadPacket;
if ((innerPayload != null) &&
(innerPayload.PayloadData != null) &&
(innerPayload is UdpPacket))
{
var innerPayloadBas = new ByteArraySegment(innerPayload.PayloadData);
if (WakeOnLanPacket.IsValid(innerPayloadBas))
{
return(new WakeOnLanPacket(innerPayloadBas));
}
}
}
}
return(null);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment"/>
/// </param>
public WakeOnLanPacket(ByteArraySegment bas)
{
log.Debug("");
if (WakeOnLanPacket.IsValid(bas))
{
// set the header field, header field values are retrieved from this byte array
header = new ByteArraySegment(bas);
header.Length = Bytes.Length;
}
}