public static IList <NetworkInterfaceInfo> GetInterfaces()
{
var nicInfos = new List <NetworkInterfaceInfo>();
var nics = NetworkInterface.GetAllNetworkInterfaces().Where(nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback);
foreach (var nic in nics)
{
var ipAddresses = nic.GetIPProperties().UnicastAddresses.Where(x =>
x.Address != null && x.Address.AddressFamily == AddressFamily.InterNetwork);
foreach (var ipAddress in ipAddresses)
{
var nicInfo = new NetworkInterfaceInfo
{
Index = nicInfos.Count,
Id = nic.Id,
Name = nic.Name,
IPAddress = ipAddress.Address
};
nicInfos.Add(nicInfo);
}
}
return(nicInfos);
}
private Exception Receiving(NetworkInterfaceInfo networkInterface)
{
Socket socket = null;
try
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
socket.Bind(new IPEndPoint(networkInterface.IPAddress, 0));
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.HeaderIncluded, true);
socket.IOControl(IOControlCode.ReceiveAll, BitConverter.GetBytes(1), new byte[4]);
byte[] bufferRaw = new byte[10000];
while (!TokenSource.IsCancellationRequested)
{
int ret = socket.Receive(bufferRaw);
var buffer = new byte[ret];
Buffer.BlockCopy(bufferRaw, 0, buffer, 0, ret);
outputQueue.Enqueue(new TimestampedData(DateTime.UtcNow, buffer, networkInterface));
this.PacketsObserved++;
}
}
catch (Exception ex)
{
return(ex);
}
finally
{
socket?.Close();
}
return(null);
}
public Form1()
{
Iphlpapi = new ProgramFlowManager();
InitializeComponent();
listBox1.DrawItem += ListBox1_DrawItem;
listBox1.DataSource = Iphlpapi.programFlowsList;
var networkInterfaces = NetworkInterfaceInfo.GetInterfaces();
comboBox1.DataSource = networkInterfaces;
sn = new SocketSniffer(Iphlpapi);
sn.Error += Sn_Error;
sn.init(networkInterfaces);
}
public TimestampedData(DateTime timestamp, byte[] data, NetworkInterfaceInfo networkInterface)
{
Timestamp = timestamp;
Data = data;
NetworkInterface = networkInterface;
}