public void MacAddressWithBufferTest()
{
Random random = new Random();
MacAddress address = random.NextMacAddress();
byte[] buffer = new byte[MacAddress.SizeOf];
buffer.Write(0, address, Endianity.Big);
Assert.AreEqual(address, buffer.ReadMacAddress(0, Endianity.Big));
Assert.AreNotEqual(address, buffer.ReadMacAddress(0, Endianity.Small));
int offset = 0;
buffer.Write(ref offset, address, Endianity.Big);
Assert.AreEqual(address, buffer.ReadMacAddress(0, Endianity.Big));
Assert.AreEqual(6, offset);
offset = 0;
Assert.AreEqual(address, buffer.ReadMacAddress(ref offset, Endianity.Big));
Assert.AreEqual(MacAddress.SizeOf, offset);
buffer.Write(0, address, Endianity.Small);
Assert.AreEqual(address, buffer.ReadMacAddress(0, Endianity.Small));
Assert.AreNotEqual(address, buffer.ReadMacAddress(0, Endianity.Big));
offset = 0;
buffer.Write(ref offset, address, Endianity.Small);
Assert.AreEqual(address, buffer.ReadMacAddress(0, Endianity.Small));
Assert.AreEqual(6, offset);
offset = 0;
Assert.AreEqual(address, buffer.ReadMacAddress(ref offset, Endianity.Small));
Assert.AreEqual(MacAddress.SizeOf, offset);
}
public void RandomArpTest()
{
Random random = new Random();
for (int i = 0; i != 1000; ++i)
{
MacAddress ethernetSource = random.NextMacAddress();
EthernetLayer ethernetLayer = new EthernetLayer
{
Source = ethernetSource,
};
ArpLayer arpLayer = random.NextArpLayer();
Packet packet = PacketBuilder.Build(DateTime.Now, ethernetLayer, arpLayer);
Assert.IsTrue(packet.IsValid, "IsValid");
// Ethernet
Assert.AreEqual(packet.Length - EthernetDatagram.HeaderLengthValue, packet.Ethernet.PayloadLength, "PayloadLength");
Assert.AreEqual(ethernetSource, packet.Ethernet.Source, "Ethernet Source");
Assert.AreEqual(EthernetDatagram.BroadcastAddress, packet.Ethernet.Destination, "Ethernet Destination");
Assert.AreEqual(EthernetType.Arp, packet.Ethernet.EtherType, "Ethernet EtherType");
// Arp
Assert.AreEqual(ArpDatagram.HeaderBaseLength + 2 * arpLayer.SenderHardwareAddress.Count + 2 * arpLayer.SenderProtocolAddress.Count, packet.Ethernet.Arp.Length, "Arp length");
Assert.AreEqual(ArpHardwareType.Ethernet, packet.Ethernet.Arp.HardwareType, "Arp hardware type");
Assert.AreEqual(arpLayer, packet.Ethernet.Arp.ExtractLayer(), "ARP Layer");
Assert.AreNotEqual(arpLayer, random.NextArpLayer(), "ARP Layer");
Assert.AreEqual(arpLayer.GetHashCode(), packet.Ethernet.Arp.ExtractLayer().GetHashCode(), "ARP Layer");
ArpLayer differentArpLayer = random.NextArpLayer();
Assert.AreNotEqual(arpLayer.GetHashCode(), differentArpLayer.GetHashCode(), "ARP Layer");
}
}
public void MacAddressTest()
{
Random random = new Random();
for (int i = 0; i != 1000; ++i)
{
MacAddress macAddress = random.NextMacAddress();
Assert.IsNotNull(macAddress.ToString());
Assert.AreEqual(macAddress, new MacAddress(macAddress.ToString()));
Assert.AreNotEqual(macAddress, random.NextMacAddress());
Assert.IsTrue(macAddress == new MacAddress(macAddress.ToString()));
Assert.AreEqual(macAddress.GetHashCode(), new MacAddress(macAddress.ToString()).GetHashCode());
Assert.IsTrue(macAddress != random.NextMacAddress());
Assert.AreNotEqual(macAddress.GetHashCode(), random.NextMacAddress().GetHashCode());
}
}
public void SetSamplingMethodFirstAfterIntervalTest()
{
Random random = new Random();
MacAddress sourceMac = random.NextMacAddress();
MacAddress destinationMac = random.NextMacAddress();
using (PacketCommunicator communicator = OpenLiveDevice())
{
communicator.SetFilter("ether src " + sourceMac + " and ether dst " + destinationMac);
communicator.SetSamplingMethod(new SamplingMethodFirstAfterInterval(TimeSpan.FromSeconds(1)));
int numPacketsGot;
communicator.ReceiveSomePackets(out numPacketsGot, 100, p => { });
Packet[] packetsToSend = new Packet[11];
packetsToSend[0] = _random.NextEthernetPacket(60, sourceMac, destinationMac);
for (int i = 0; i != 10; ++i)
packetsToSend[i + 1] = _random.NextEthernetPacket(60 * (i + 2), sourceMac, destinationMac);
List<Packet> packets = new List<Packet>(6);
Thread thread = new Thread(() => packets.AddRange(communicator.ReceivePackets(6)));
thread.Start();
communicator.SendPacket(packetsToSend[0]);
Thread.Sleep(TimeSpan.FromSeconds(0.7));
for (int i = 0; i != 10; ++i)
{
communicator.SendPacket(packetsToSend[i + 1]);
Thread.Sleep(TimeSpan.FromSeconds(0.55));
}
if (!thread.Join(TimeSpan.FromSeconds(10)))
thread.Abort();
Assert.AreEqual(6, packets.Count, packets.Select(p => (p.Timestamp-packets[0].Timestamp).TotalSeconds + "(" + p.Length + ")").SequenceToString(", "));
Packet packet;
for (int i = 0; i != 6; ++i)
Assert.AreEqual(60 * (i * 2 + 1), packets[i].Length, i.ToString());
PacketCommunicatorReceiveResult result = communicator.ReceivePacket(out packet);
Assert.AreEqual(PacketCommunicatorReceiveResult.Timeout, result);
Assert.IsNull(packet);
}
}