internal static void AddPacket(IPPacket packet)
{
ensureQueueExists();
NetworkDevice nic = Config.FindInterface(packet.SourceIP);
packet.SourceMAC = nic.MACAddress;
queue.Add(new BufferEntry(nic, packet));
}
internal static void IPv4Handler(byte[] packetData)
{
IPPacket ip_packet = new IPPacket(packetData);
//Sys.Console.WriteLine("Received IP Packet");
//Sys.Console.WriteLine(ip_packet.ToString());
if (ip_packet.SourceIP == null)
{
global::System.Console.WriteLine("SourceIP null in IPv4Handler!");
}
ARPCache.Update(ip_packet.SourceIP, ip_packet.SourceMAC);
if ((NetworkStack.AddressMap.ContainsKey(ip_packet.DestinationIP.Hash) == true) ||
(ip_packet.DestinationIP.address[3] == 255))
{
switch (ip_packet.Protocol)
{
case 1:
ICMPPacket.ICMPHandler(packetData);
break;
//case 6:
// IPv4_TCPHandler(packetData);
// break;
case 17:
UDPPacket.UDPHandler(packetData);
break;
}
}
}
public BufferEntry(NetworkDevice nic, IPPacket packet)
{
this.NIC = nic;
this.Packet = packet;
this.Status = EntryStatus.ADDED;
}
