/// <summary>
/// Returns the encapsulated ARPPacket of the Packet p or null if
/// there is no encapsulated packet
/// </summary>
/// <param name="p">
/// A <see cref="Packet"/>
/// </param>
/// <returns>
/// A <see cref="ARPPacket"/>
/// </returns>
public static ARPPacket GetEncapsulated(Packet p)
{
if (p is InternetLinkLayerPacket)
{
var payload = InternetLinkLayerPacket.GetInnerPayload((InternetLinkLayerPacket)p);
if (payload is ARPPacket)
{
return((ARPPacket)payload);
}
}
return(null);
}
/// <summary>
/// Returns the IpPacket inside of the Packet p or null if
/// there is no encapsulated packet
/// </summary>
/// <param name="p">
/// A <see cref="Packet"/>
/// </param>
/// <returns>
/// A <see cref="IpPacket"/>
/// </returns>
public static IpPacket GetEncapsulated(Packet p)
{
log.Debug("");
if (p is InternetLinkLayerPacket)
{
var payload = InternetLinkLayerPacket.GetInnerPayload((InternetLinkLayerPacket)p);
if (payload is IpPacket)
{
return((IpPacket)payload);
}
}
return(null);
}
/// <summary>
/// Returns the UdpPacket inside of the Packet p or null if
/// there is no encapsulated packet
/// </summary>
/// <param name="p">
/// A <see cref="Packet"/>
/// </param>
/// <returns>
/// A <see cref="UdpPacket"/>
/// </returns>
public static UdpPacket GetEncapsulated(Packet p)
{
if (p is InternetLinkLayerPacket)
{
var payload = InternetLinkLayerPacket.GetInnerPayload((InternetLinkLayerPacket)p);
if (payload is IpPacket)
{
var innerPayload = payload.PayloadPacket;
if (innerPayload is UdpPacket)
{
return((UdpPacket)innerPayload);
}
}
}
return(null);
}
/// <summary>
/// Returns the encapsulated IGMPv2Packet of the Packet p or null if
/// there is no encapsulated packet
/// </summary>
/// <param name="p">
/// A <see cref="Packet"/>
/// </param>
/// <returns>
/// A <see cref="IGMPv2Packet"/>
/// </returns>
public static IGMPv2Packet GetEncapsulated(Packet p)
{
if (p is InternetLinkLayerPacket)
{
var payload = InternetLinkLayerPacket.GetInnerPayload((InternetLinkLayerPacket)p);
if (payload is IpPacket)
{
Console.WriteLine("Is an IP packet");
var innerPayload = payload.PayloadPacket;
if (innerPayload is IGMPv2Packet)
{
return((IGMPv2Packet)innerPayload);
}
}
}
return(null);
}
