private static void ComparePacketsToWireshark(IEnumerable<Packet> packets)
{
string pcapFilename = Path.GetTempPath() + "temp." + new Random().NextByte() + ".pcap";
#pragma warning disable 162
// ReSharper disable ConditionIsAlwaysTrueOrFalse
// ReSharper disable HeuristicUnreachableCode
if (!IsRetry)
{
PacketDumpFile.Dump(pcapFilename, new PcapDataLink(packets.First().DataLink.Kind), PacketDevice.DefaultSnapshotLength, packets);
}
else
{
pcapFilename = Path.GetTempPath() + "temp." + RetryNumber + ".pcap";
List<Packet> packetsList = new List<Packet>();
using (PacketCommunicator communicator = new OfflinePacketDevice(pcapFilename).Open())
{
communicator.ReceivePackets(-1, packetsList.Add);
}
packets = packetsList;
}
// ReSharper restore HeuristicUnreachableCode
// ReSharper restore ConditionIsAlwaysTrueOrFalse
#pragma warning restore 162
// Create pdml file
string documentFilename = pcapFilename + ".pdml";
using (Process process = new Process())
{
process.StartInfo = new ProcessStartInfo
{
// Wireshark's preferences file is %APPDATA%\Wireshark\preferences
FileName = WiresharkTsharkPath,
Arguments = "-o ip.check_checksum:TRUE " +
"-o ipv6.use_geoip:FALSE " +
"-o udp.check_checksum:TRUE " +
"-o tcp.relative_sequence_numbers:FALSE " +
"-o tcp.analyze_sequence_numbers:FALSE " +
"-o tcp.track_bytes_in_flight:FALSE " +
"-o tcp.desegment_tcp_streams:FALSE " +
"-o tcp.check_checksum:TRUE " +
"-o http.dechunk_body:FALSE " +
"-t r -n -r \"" + pcapFilename + "\" -T pdml",
WorkingDirectory = WiresharkDiretory,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
Console.WriteLine("Starting process " + process.StartInfo.FileName + " " + process.StartInfo.Arguments);
Assert.IsTrue(process.Start());
string output = process.StandardOutput.ReadToEnd();
string errorOutput = process.StandardError.ReadToEnd();
process.WaitForExit();
Console.WriteLine(errorOutput);
File.WriteAllText(documentFilename, output);
Assert.AreEqual(0, process.ExitCode);
}
// Fix pdml file
string fixedDocumentFilename = documentFilename + ".fixed";
File.WriteAllBytes(fixedDocumentFilename, new List<byte>(from b in File.ReadAllBytes(documentFilename)
select b == 0x0A || b == 0x0D
? b
: Math.Max((byte)0x20, Math.Min(b, (byte)0x7F))).ToArray());
try
{
Compare(XDocument.Load(fixedDocumentFilename, LoadOptions.None), packets);
}
catch (AssertFailedException exception)
{
throw new AssertFailedException("Failed comparing packets in file " + pcapFilename + ". Message: " + exception.Message, exception);
}
}
private static void ComparePacketsToWireshark(IEnumerable <Packet> packets)
{
string pcapFilename = Path.GetTempPath() + "temp." + new Random().NextByte() + ".pcap";
#pragma warning disable 162
// ReSharper disable ConditionIsAlwaysTrueOrFalse
// ReSharper disable HeuristicUnreachableCode
if (!IsRetry)
{
PacketDumpFile.Dump(pcapFilename, new PcapDataLink(packets.First().DataLink.Kind), PacketDevice.DefaultSnapshotLength, packets);
}
else
{
pcapFilename = Path.GetTempPath() + "temp." + RetryNumber + ".pcap";
List <Packet> packetsList = new List <Packet>();
using (PacketCommunicator communicator = new OfflinePacketDevice(pcapFilename).Open())
{
communicator.ReceivePackets(-1, packetsList.Add);
}
packets = packetsList;
}
// ReSharper restore HeuristicUnreachableCode
// ReSharper restore ConditionIsAlwaysTrueOrFalse
#pragma warning restore 162
// Create pdml file
string documentFilename = pcapFilename + ".pdml";
using (Process process = new Process())
{
process.StartInfo = new ProcessStartInfo
{
// Wireshark's preferences file is %APPDATA%\Wireshark\preferences
FileName = WiresharkTsharkPath,
Arguments = "-o ip.check_checksum:TRUE " +
"-o ipv6.use_geoip:FALSE " +
"-o udp.check_checksum:TRUE " +
"-o tcp.relative_sequence_numbers:FALSE " +
"-o tcp.analyze_sequence_numbers:FALSE " +
"-o tcp.track_bytes_in_flight:FALSE " +
"-o tcp.desegment_tcp_streams:FALSE " +
"-o tcp.check_checksum:TRUE " +
"-o http.dechunk_body:FALSE " +
"-t r -n -r \"" + pcapFilename + "\" -T pdml",
WorkingDirectory = WiresharkDiretory,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
Console.WriteLine("Starting process " + process.StartInfo.FileName + " " + process.StartInfo.Arguments);
Assert.IsTrue(process.Start());
string output = process.StandardOutput.ReadToEnd();
string errorOutput = process.StandardError.ReadToEnd();
process.WaitForExit();
Console.WriteLine(errorOutput);
File.WriteAllText(documentFilename, output);
Assert.AreEqual(0, process.ExitCode);
}
// Fix pdml file
string fixedDocumentFilename = documentFilename + ".fixed";
File.WriteAllBytes(fixedDocumentFilename, new List <byte>(from b in File.ReadAllBytes(documentFilename)
select b == 0x0A || b == 0x0D
? b
: Math.Max((byte)0x20, Math.Min(b, (byte)0x7F))).ToArray());
try
{
Compare(XDocument.Load(fixedDocumentFilename, LoadOptions.None), packets);
}
catch (Exception exception)
{
throw new AssertFailedException("Failed comparing packets in file " + pcapFilename + ". " + exception, exception);
}
}
public void LoadData(string pcapfile)
{
//try
//{
int pktCnt;
frames = new List<byte[]>();
LogItems.addStreamInfo(String.Format("Starting to parse {0}", pcapfile));
using (PacketCommunicator communicator = new OfflinePacketDevice(pcapfile).Open(65536,
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
//communicator.ReceiveSomePackets(out pktCnt,-1, extractUDP);
communicator.ReceivePackets(0,extractUDP);
}
//for(int f=0;f!=frames.Count;f++)
//{
// parseFrame(frames[f], f);
//}
//frames.Clear();
//}
//}
//catch (Exception e)
//{
// var msg = (String.Format("Cannot open {0} or crashed during parsing, please make sure that file is not in use by other program\nRead the rest of the crash report below\n\n\n{1}",
// pcapfile, e.ToString()));
// LogItems.addParsingError(msg);
//}
}
/// <summary>
/// experiment to parse packets in parallel
/// </summary>
/// <param name="pcapfile"></param>
public void LoadDataParallel(string pcapfile)
{
Dictionary<int, Dictionary<string, double[]>> streamParameters = Globals.limitPCAP;
try
{
int pktCnt = 0;
frames = new List<byte[]>();
using (PacketCommunicator communicator = new OfflinePacketDevice(pcapfile).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
{
//communicator.ReceiveSomePackets(out pktCnt, 10, parsePacketParrallel);
communicator.ReceivePackets(0, getParallel);
//communicator.ReceivePackets(0, parsePacketDownSampled);
//communicator.ReceivePackets(0, parsePacketPTP);
}
//ThreadPool.GetMaxThreads(out threadCnt,out threadDone);
ThreadPool.SetMaxThreads(50, 50);
int threadCnt = 0;
int threadDone = 0;
ThreadPool.GetAvailableThreads(out threadCnt, out threadDone);
if (frames.Count == 0) return;
for (int i = 0; i != frames.Count - 1; i++)
{
ThreadPool.QueueUserWorkItem(state => parseFrame(frames[i], i));
}
//Parallel.For(0, frames.Count, i =>
// parseFrame(frames[i], i)
// );
while (true)
{
ThreadPool.GetAvailableThreads(out threadCnt, out threadDone);
if ((threadCnt == 50) && (threadDone == 50))
{ break; }
Thread.Sleep(100);
}
}
catch (Exception e)
{
MessageBox.Show(String.Format("Cannot open {0} or crashed during parsing, please make sure that file is not in use by other program\nRead the rest of the crash report below\n\n\n{1}",
pcapfile, e.ToString()));
}
}
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void LoadDataDownSampled(string pcapfile)
{
Dictionary<int, Dictionary<string, double[]>> streamParameters = Globals.limitPCAP;
try
{
int pktCnt=0;
frames = new List<byte[]>();
using (PacketCommunicator communicator = new OfflinePacketDevice(pcapfile).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
{
//communicator.ReceiveSomePackets(out pktCnt, 10, parsePacketParrallel);
communicator.ReceivePackets(0, parsePacketDownSampled);
//communicator.ReceivePackets(0, parsePacketPTP);
}
}
catch (Exception e)
{
MessageBox.Show(String.Format("Cannot open {0} or crashed during parsing, please make sure that file is not in use by other program\nRead the rest of the crash report below\n\n\n{1}",
pcapfile, e.ToString()));
}
}
public void LoadData(string pcapfile)
{
Dictionary<int, Dictionary<string, double[]>> streamParameters = Globals.limitPCAP;
try
{
int pktCnt;
using (PacketCommunicator communicator = new OfflinePacketDevice(pcapfile).Open(65536,
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
communicator.ReceivePackets(0,parsePacket2);
//communicator.ReceivePackets(0, parsePacketPTP);
//communicator.ReceiveSomePackets(out pktCnt, -1, parsePacketParrallel);
}
//}
}
catch (Exception e)
{
MessageBox.Show(String.Format("Cannot open {0} or crashed during parsing, please make sure that file is not in use by other program\nRead the rest of the crash report below\n\n\n{1}",
pcapfile, e.ToString()));
}
}
