private static void IPv4Handler(byte[] packetData)
{
TCPIP.IPPacket ip_packet = new TCPIP.IPPacket(packetData);
ARP.ARPCache.Update(ip_packet.SourceIP, ip_packet.SourceMAC);
if ((addressMap.ContainsKey(ip_packet.DestinationIP.To32BitNumber()) == true) ||
(ip_packet.DestinationIP.address[3] == 255))
{
switch (ip_packet.Protocol)
{
case 1:
IPv4_ICMPHandler(packetData);
break;
case 6:
IPv4_TCPHandler(packetData);
break;
case 17:
IPv4_UDPHandler(packetData);
break;
}
}
}
public static bool Contains(IPv4Address ipAddress)
{
ensureCacheExists();
return(cache.ContainsKey(ipAddress.To32BitNumber()));
}
