public void TestSend()
{
var dst = IPAddress.Parse("8.8.8.8");
var nic = IpHelper.GetBestInterface(dst);
Assert.NotNull(nic, "No internet connected interface found");
var src = nic.GetIPProperties().UnicastAddresses
.Select(addr => addr.Address)
.FirstOrDefault(addr => addr.AddressFamily == AddressFamily.InterNetwork);
var ifIndex = nic.GetIPProperties().GetIPv4Properties().Index;
Console.WriteLine($"Using NIC {nic.Name} [{ifIndex}]");
Console.WriteLine($"Sending from {src} to {dst}");
var device = new WinDivertDevice();
device.Open();
try
{
var udp = new UdpPacket(5000, 5000);
udp.PayloadData = new byte[100];
var ip = IPv4Packet.RandomPacket();
ip.PayloadPacket = udp;
ip.SourceAddress = src;
ip.DestinationAddress = dst;
device.SendPacket(ip);
}
finally
{
device.Close();
}
}
public void TestGetNextPacket()
{
var device = new WinDivertDevice
{
Filter = "!loopback and tcp"
};
device.Open();
var capture = device.GetNextPacket();
device.Close();
AssertTcp(capture);
}
public void TestCapture()
{
var device = new WinDivertDevice
{
Filter = "!loopback and tcp"
};
device.Open();
var received = new List <RawCapture>();
device.OnPacketArrival += (s, e) =>
{
received.Add(e.Packet);
};
device.StartCapture();
Thread.Sleep(10000);
device.StopCapture();
device.Close();
Assert.That(received, Has.Count.AtLeast(2));
foreach (var capture in received)
{
AssertTcp(capture);
}
}