public void TransmitNullTest()
{
using (PacketCommunicator communicator = LivePacketDeviceTests.OpenLiveDevice())
{
communicator.Transmit(null, false);
}
Assert.Fail();
}
static void SendPackets()
{
// Retrieve the device list from the local machine
IList <LivePacketDevice> allDevices = LivePacketDevice.AllLocalMachine;
if (allDevices.Count == 0)
{
Console.WriteLine("No interfaces found! Make sure WinPcap is installed.");
return;
}
// Print the list
for (int i = 0; i != allDevices.Count; ++i)
{
LivePacketDevice device = allDevices[i];
Console.Write((i + 1) + ". " + device.Name);
if (device.Description != null)
{
Console.WriteLine(" (" + device.Description + ")");
}
else
{
Console.WriteLine(" (No description available)");
}
}
int deviceIndex = 0;
do
{
Console.WriteLine("Enter the interface number (1-" + allDevices.Count + "):");
string deviceIndexString = Console.ReadLine();
if (!int.TryParse(deviceIndexString, out deviceIndex) ||
deviceIndex < 1 || deviceIndex > allDevices.Count)
{
deviceIndex = 0;
}
} while (deviceIndex == 0);
PacketDevice selectedDevice = allDevices[deviceIndex - 1];
using (PacketCommunicator communicator = selectedDevice.Open(1, // name of the device
PacketDeviceOpenAttributes.MaximumResponsiveness, // promiscuous mode
1000)) // read timeout
{
Packet pack = BuildPackets.BuildVLanTaggedFramePacket();
PacketSendBuffer packbuffer = new PacketSendBuffer(1526000);
for (int i = 0; i != 1000; ++i)
{
packbuffer.Enqueue(pack);
}
for (int i = 0; i != 1000; ++i)
{
communicator.Transmit(packbuffer, false);
}
}
}
public static void LoadExample()
{
// Retrieve the device list from the local machine
PacketBuilder builder = BuildVLanTaggedFramePacketBuilder(ClassOfService.NetworkControl);
DateTime now = DateTime.Now;
now = now.AddMilliseconds(20);
for (int j = 0; j != 10; j++)
{
PacketSendBuffer packbuffer = new PacketSendBuffer(100000);
for (int i = 0; i != 10; i++)
{
packbuffer.Enqueue(builder.Build(now));
now = now.AddMicroseconds(1000);
}
Communicator.Transmit(packbuffer, true);
}
}
private static void TestTransmitQueueToLive(int numPacketsToSend, int packetSize, double secondsBetweenTimestamps, bool isSynced)
{
const string SourceMac = "11:22:33:44:55:66";
const string DestinationMac = "77:88:99:AA:BB:CC";
List <Packet> packetsToSend;
using (PacketSendBuffer queue = BuildQueue(out packetsToSend, numPacketsToSend, packetSize, SourceMac, DestinationMac, secondsBetweenTimestamps))
{
using (PacketCommunicator communicator = LivePacketDeviceTests.OpenLiveDevice())
{
communicator.SetFilter("ether src " + SourceMac + " and ether dst " + DestinationMac);
communicator.Transmit(queue, isSynced);
DateTime lastTimestamp = DateTime.MinValue;
int numPacketsHandled = 0;
int numPacketsGot;
PacketCommunicatorReceiveResult result =
communicator.ReceiveSomePackets(out numPacketsGot, numPacketsToSend,
delegate(Packet packet)
{
Assert.AreEqual(packetsToSend[numPacketsHandled], packet);
if (numPacketsHandled > 0)
{
TimeSpan expectedDiff;
if (isSynced)
{
expectedDiff =
packetsToSend[numPacketsHandled].Timestamp -
packetsToSend[numPacketsHandled - 1].Timestamp;
}
else
{
expectedDiff = TimeSpan.Zero;
}
TimeSpan actualDiff = packet.Timestamp - lastTimestamp;
MoreAssert.IsInRange(
expectedDiff.Subtract(TimeSpan.FromSeconds(0.06)),
expectedDiff.Add(TimeSpan.FromSeconds(0.1)),
actualDiff, "actualDiff");
}
lastTimestamp = packet.Timestamp;
++numPacketsHandled;
});
Assert.AreEqual(PacketCommunicatorReceiveResult.Ok, result);
Assert.AreEqual(numPacketsToSend, numPacketsGot, "numPacketsGot");
Assert.AreEqual(numPacketsToSend, numPacketsHandled, "numPacketsHandled");
}
}
}
private void SendPacketsToPorts(ushort from, ushort to, PacketCommunicator communicator)
{
const int PacketsBufferSize = 102400;
using (PacketSendBuffer buffer = new PacketSendBuffer(PacketsBufferSize))
{
for (ushort port = from; port <= to; port++)
{
Packet packet = TcpPacketFactory.CreateSynPacketFor(this.options, port);
buffer.Enqueue(packet);
}
communicator.Transmit(buffer, true);
}
}
public void TransmitQueueToOfflineTest()
{
const string SourceMac = "11:22:33:44:55:66";
const string DestinationMac = "77:88:99:AA:BB:CC";
List <Packet> packetsToSend;
using (PacketSendBuffer queue = BuildQueue(out packetsToSend, 100, 100, SourceMac, DestinationMac, 0.5))
{
using (PacketCommunicator communicator = OfflinePacketDeviceTests.OpenOfflineDevice())
{
communicator.SetFilter("ether src " + SourceMac + " and ether dst " + DestinationMac);
communicator.Transmit(queue, false);
}
}
}
static void Main(string[] args)
{
// Check the validity of the command line
if (args.Length == 0 || args.Length > 2)
{
Usage();
return;
}
// Retrieve the device list from the local machine
IList <LivePacketDevice> allDevices = LivePacketDevice.AllLocalMachine;
if (allDevices.Count == 0)
{
Console.WriteLine("No interfaces found! Make sure WinPcap is installed.");
return;
}
// Print the list
for (int i = 0; i != allDevices.Count; ++i)
{
LivePacketDevice device = allDevices[i];
Console.Write((i + 1) + ". " + device.Name);
if (device.Description != null)
{
Console.WriteLine(" (" + device.Description + ")");
}
else
{
Console.WriteLine(" (No description available)");
}
}
int deviceIndex = 0;
do
{
Console.WriteLine("Enter the interface number (1-" + allDevices.Count + "):");
string deviceIndexString = Console.ReadLine();
if (!int.TryParse(deviceIndexString, out deviceIndex) ||
deviceIndex < 1 || deviceIndex > allDevices.Count)
{
deviceIndex = 0;
}
} while (deviceIndex == 0);
// Take the selected adapter
PacketDevice selectedOutputDevice = allDevices[deviceIndex - 1];
// Retrieve the length of the capture file
long capLength = new FileInfo(args[0]).Length;
// Chek if the timestamps must be respected
bool isSync = (args.Length == 2 && args[1][0] == 's');
// Open the capture file
OfflinePacketDevice selectedInputDevice = new OfflinePacketDevice(args[0]);
using (PacketCommunicator inputCommunicator =
selectedInputDevice.Open(65536, // portion of the packet to capture
// 65536 guarantees that the whole packet will be captured on all the link layers
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
using (PacketCommunicator outputCommunicator =
selectedOutputDevice.Open(100, PacketDeviceOpenAttributes.Promiscuous, 1000))
{
// Check the MAC type
if (inputCommunicator.DataLink != outputCommunicator.DataLink)
{
Console.WriteLine(
"Warning: the datalink of the capture differs from the one of the selected interface.");
Console.WriteLine("Press a key to continue, or CTRL+C to stop.");
Console.ReadKey();
}
// Allocate a send buffer
using (PacketSendBuffer sendBuffer = new PacketSendBuffer((uint)capLength))
{
// Fill the buffer with the packets from the file
int numPackets = 0;
Packet packet;
while (inputCommunicator.ReceivePacket(out packet) == PacketCommunicatorReceiveResult.Ok)
{
sendBuffer.Enqueue(packet);
++numPackets;
}
// Transmit the queue
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
long startTimeMs = stopwatch.ElapsedMilliseconds;
Console.WriteLine("Start Time: " + startTimeMs);
outputCommunicator.Transmit(sendBuffer, isSync);
long endTimeMs = stopwatch.ElapsedMilliseconds;
Console.WriteLine("End Time: " + endTimeMs);
long elapsedTimeMs = endTimeMs - startTimeMs;
Console.WriteLine("Elapsed Time: " + elapsedTimeMs);
double averagePacketsPerSecond = elapsedTimeMs == 0 ? double.MaxValue : (double)numPackets / elapsedTimeMs * 1000;
Console.WriteLine("Elapsed time: " + elapsedTimeMs + " ms");
Console.WriteLine("Total packets generated = " + numPackets);
Console.WriteLine("Average packets per second = " + averagePacketsPerSecond);
Console.WriteLine();
}
}
}
}
public void RunFile()
{
if (string.IsNullOrEmpty(FileName))
{
return;
}
if (PacketCount == 0 || SelectedNetworkAdapter == null)
{
return;
}
// Retrieve the length of the capture file
long capLength = new FileInfo(FileName).Length;
// Open the capture file
OfflinePacketDevice selectedInputDevice = new OfflinePacketDevice(FileName);
using (PacketCommunicator inputCommunicator =
selectedInputDevice.Open(65536, // portion of the packet to capture
// 65536 guarantees that the whole packet will be captured on all the link layers
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
using (PacketCommunicator outputCommunicator =
SelectedNetworkAdapter.Open(100, PacketDeviceOpenAttributes.Promiscuous, 1000))
{
// Check the MAC type
if (inputCommunicator.DataLink != outputCommunicator.DataLink)
{
Console.WriteLine(
"Warning: the datalink of the capture differs from the one of the selected interface.");
Console.WriteLine("Press a key to continue, or CTRL+C to stop.");
//Console.ReadKey();
}
// Allocate a send buffer
using (PacketSendBuffer sendBuffer = new PacketSendBuffer((uint)capLength))
{
// Fill the buffer with the packets from the file
int numPackets = 0;
Packet packet;
while (inputCommunicator.ReceivePacket(out packet) == PacketCommunicatorReceiveResult.Ok)
{
sendBuffer.Enqueue(packet);
++numPackets;
}
// Transmit the queue
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
long startTimeMs = stopwatch.ElapsedMilliseconds;
Common.ConsoleWriteLine(ConsoleText);
Common.ConsoleWriteLine(ConsoleText, "File:\n " + FileName.Substring(FileName.LastIndexOf("\\") + 1));
Common.ConsoleWriteLine(ConsoleText, " Start Time: " + startTimeMs);
outputCommunicator.Transmit(sendBuffer, true);
long endTimeMs = stopwatch.ElapsedMilliseconds;
Common.ConsoleWriteLine(ConsoleText, " End Time: " + endTimeMs);
long elapsedTimeMs = endTimeMs - startTimeMs;
Common.ConsoleWriteLine(ConsoleText, " Elapsed Time: " + elapsedTimeMs);
double averagePacketsPerSecond = elapsedTimeMs == 0 ? double.MaxValue : (double)numPackets / elapsedTimeMs * 1000;
Common.ConsoleWriteLine(ConsoleText, " Elapsed time: " + elapsedTimeMs + " ms");
Common.ConsoleWriteLine(ConsoleText, " Total packets generated = " + numPackets);
Common.ConsoleWriteLine(ConsoleText, " Average packets per second = " + averagePacketsPerSecond);
Common.ConsoleWriteLine(ConsoleText, "");
}
}
}
}
public void RunFileWithSpeed(RunSpeeds run_speed)
{
if (string.IsNullOrEmpty(FileName))
{
return;
}
if (run_speed == RunSpeeds.Original)
{
return;
}
if (PacketCount == 0 || SelectedNetworkAdapter == null)
{
return;
}
// Retrieve the length of the capture file
long capLength = new FileInfo(FileName).Length;
int time_interval = 100;
switch (run_speed)
{
case RunSpeeds.Original:
case RunSpeeds.s100:
time_interval = 100;
break;
case RunSpeeds.Zero:
time_interval = 1;
break;
case RunSpeeds.s250:
time_interval = 250;
break;
case RunSpeeds.s500:
time_interval = 500;
break;
case RunSpeeds.s1000:
time_interval = 1000;
break;
default:
time_interval = 100;
break;
}
DateTime time_stamp = DateTime.Now;
// Open the capture file
OfflinePacketDevice selectedInputDevice = new OfflinePacketDevice(FileName);
using (PacketCommunicator inputCommunicator =
selectedInputDevice.Open(65536, // portion of the packet to capture
// 65536 guarantees that the whole packet will be captured on all the link layers
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
// Open the output device
using (PacketCommunicator outputCommunicator =
SelectedNetworkAdapter.Open(100, PacketDeviceOpenAttributes.Promiscuous, 1000))
{
// Fill the buffer with the packets from the file
AlteredPackets = new List <Packet>();
Packet packet;
int packet_count = 0;
while (inputCommunicator.ReceivePacket(out packet) == PacketCommunicatorReceiveResult.Ok)
{
// Create the builder that will build our packets
EthernetLayer ethernet_layer = packet.Ethernet == null ? null : (EthernetLayer)packet.Ethernet.ExtractLayer();
IpV4Layer ipv4_layer = packet.Ethernet.IpV4 == null ? null : (IpV4Layer)packet.Ethernet.IpV4.ExtractLayer();
IcmpLayer icmp_layer = packet.Ethernet.IpV4.Icmp == null ? null : (IcmpLayer)packet.Ethernet.IpV4.Icmp.ExtractLayer();
TransportLayer transport_layer = packet.Ethernet.IpV4.Transport == null ? null : (TransportLayer)packet.Ethernet.IpV4.Transport.ExtractLayer();
PayloadLayer datagram_layer = packet.Ethernet.IpV4.Payload == null ? null : (PayloadLayer)packet.Ethernet.IpV4.Payload.ExtractLayer();
try
{
if (ipv4_layer.Length < 1) // Catch null Length
{
// Do Nothing
}
}
catch
{
ipv4_layer = null;
}
List <ILayer> layers = new List <ILayer>();
if (IsRTP(packet))
{
if (ethernet_layer != null)
{
layers.Add(ethernet_layer);
}
if (ipv4_layer != null)
{
layers.Add(ipv4_layer);
}
if (datagram_layer != null)
{
layers.Add(datagram_layer);
}
}
else
{
if (ethernet_layer != null)
{
layers.Add(ethernet_layer);
}
if (ipv4_layer != null)
{
layers.Add(ipv4_layer);
}
if (icmp_layer != null)
{
layers.Add(icmp_layer);
}
if (transport_layer != null)
{
layers.Add(transport_layer);
}
if (datagram_layer != null && IsRTP(packet))
{
layers.Add(datagram_layer);
}
}
PacketBuilder builder = new PacketBuilder(layers);
Packet altered_packet = builder.Build(time_stamp.AddMilliseconds((packet_count * time_interval) / 1000));
ProcessAlteredPacket(altered_packet);
packet_count++;
}
// Allocate a send buffer
using (PacketSendBuffer sendBuffer = new PacketSendBuffer(4294967295))
{
foreach (Packet p in AlteredPackets)
{
sendBuffer.Enqueue(p);
}
// Transmit the queue
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
long startTimeMs = stopwatch.ElapsedMilliseconds;
Common.ConsoleWriteLine(ConsoleText);
Common.ConsoleWriteLine(ConsoleText, "File:\n " + FileName.Substring(FileName.LastIndexOf("\\") + 1));
Common.ConsoleWriteLine(ConsoleText, " Start Time: " + startTimeMs);
outputCommunicator.Transmit(sendBuffer, true);
long endTimeMs = stopwatch.ElapsedMilliseconds;
Common.ConsoleWriteLine(ConsoleText, " End Time: " + endTimeMs);
long elapsedTimeMs = endTimeMs - startTimeMs;
Common.ConsoleWriteLine(ConsoleText, " Elapsed Time: " + elapsedTimeMs);
double averagePacketsPerSecond = elapsedTimeMs == 0 ? double.MaxValue : (double)AlteredPackets.Count / elapsedTimeMs * 1000;
Common.ConsoleWriteLine(ConsoleText, " Elapsed time: " + elapsedTimeMs + " ms");
Common.ConsoleWriteLine(ConsoleText, " Total packets generated = " + AlteredPackets.Count);
Common.ConsoleWriteLine(ConsoleText, " Average packets per second = " + averagePacketsPerSecond);
Common.ConsoleWriteLine(ConsoleText, "");
}
}
}
}
