public static void NS_OnReceive(Packet packet)
{
if (packet.Protocol == ProtocolType.Udp)
{
if ((packet.TransportHeader as UdpHeader).IsDns)
{
DnsPacket dns = new DnsPacket(packet);
for (int i = 0; i < dns.Questions.Length; i++)
{
Write(dns.Questions[i]);
}
for (int i = 0; i < dns.Answers.Length; i++)
{
Write('\t' + dns.Answers[i].ToString());
}
}
else Write($"UDP: {(packet.TransportHeader as UdpHeader).ByteCount}");
}
else if (packet.Protocol == ProtocolType.Tcp)
{
if ((packet.TransportHeader as TcpHeader).IsDns) Write("DNS(TCP)");
else Write("TCP");
}
else if (packet.Protocol == ProtocolType.Icmp) Write($"ICMP({(packet.TransportHeader as IcmpHeader).Type})");
else Write(packet.Protocol.ToString());
}
private static void HandlePackage(IAsyncResult ar)
{
int count = socket.EndReceive(ar);
Packet p = new Packet(buffer, count);
if (!Stop)
{
buffer = new byte[4096];
socket.BeginReceive(buffer, 0, buffer.Length, 0, HandlePackage, null);
}
else working = false;
if (OnReceive != null) OnReceive.Invoke(p);
}