private void btn_connect_Click(object sender, EventArgs e)
{
if (local_ip.Length != 0)
{
string[] info = txt_address.Text.Split(':');
XCOM_Core.Initialize(local_ip, info[0], Convert.ToInt32(info[1]));
}
else
{
MessageBox.Show("Not Connected to network!");
}
}
/// <summary>
/// Prints the time, length, src ip, src port, dst ip and dst port
/// for each TCP/IP packet received on the network
/// </summary>
private static void device_OnPacketArrival(object sender, CaptureEventArgs e)
{
var time = e.Packet.Timeval.Date;
var len = e.Packet.Data.Length;
var packet = PacketDotNet.Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data);
String bytes = UTF8Encoding.UTF8.GetString(packet.Bytes);
Packet p = new Packet();
IpPacket ipPacket = (IpPacket)packet.Extract(typeof(IpPacket));
if (ipPacket != null)
{
p.IpPacket = Utils.CreateIPpacket(new MJsniffer.IPHeader(ipPacket.Header, ipPacket.Header.Length));
p.Timespan = time.ToString();
if (ipPacket.PayloadPacket != null)
{
TcpPacket tcpPacket = (TcpPacket)ipPacket.PayloadPacket.Extract(typeof(TcpPacket));
if (tcpPacket != null)
{
p.Type = "TCP";
p.TcpPacket = Utils.CreateTCPpacket(new MJsniffer.TCPHeader(tcpPacket.Header, tcpPacket.Header.Length));
XCOM_Core.AddPacket(p, tcpPacket.PayloadData);
}
else
{
UdpPacket udpPacket = (UdpPacket)ipPacket.PayloadPacket.Extract(typeof(UdpPacket));
if (udpPacket != null)
{
p.Type = "UDP";
p.UdpPacket = Utils.CreateUDPpacket(new MJsniffer.UDPHeader(udpPacket.Header, udpPacket.Header.Length));
XCOM_Core.AddPacket(p, udpPacket.PayloadData);
}
}
}
}
//if (tcpPacket != null)
//{
// var tcpPacket = (IpPacket)tcpPacket.ParentPacket;
// System.Net.IPAddress srcIp = ipPacket.SourceAddress;
// System.Net.IPAddress dstIp = ipPacket.DestinationAddress;
// int srcPort = tcpPacket.SourcePort;
// int dstPort = tcpPacket.DestinationPort;
// Console.WriteLine("{0}:{1}:{2},{3} Len={4} {5}:{6} -> {7}:{8}",
// time.Hour, time.Minute, time.Second, time.Millisecond, len,
// srcIp, srcPort, dstIp, dstPort);
//}
}
