/*
* Basic check to detect and tag opcode that doesn't contains any string nor array (static length)
*/
public void StaticSizeCheck()
{
Parallel.ForEach(Directory.GetFiles(PATH + VERSION + Path.DirectorySeparatorChar, "*" + SPLITTED_LOGS_EXTENSION, SearchOption.AllDirectories), (file) =>
{
var isSameSize = true;
var initialeSize = 0;
var reader = new PacketLogFile(file);
string opcode = Path.GetFileName(file);
int numberOfPackets = 0;
initialeSize = reader.Messages.ElementAt(0).Payload.Count;
Parallel.ForEach(reader.Messages, (message) => {
numberOfPackets++;
if (message.Payload.Count != initialeSize)
{
isSameSize = false;
}
});
// If number of packet < 50, we considere the we don't have enought data to do anything
if (isSameSize && numberOfPackets > MINIMUM_PACKET_NUMBER)
{
//Debug.WriteLine("Opcode: " + opcode + " is static size: " +initialeSize + "; nbpackets: "+numberOfPackets);
File.WriteAllText(PATH + VERSION + Path.DirectorySeparatorChar + opcode + DEF_EXTENSION, initialeSize.ToString());
}
if (numberOfPackets < MINIMUM_PACKET_NUMBER)
{
//Debug.WriteLine("Uncommon packet: Opcode: " + opcode + " ;nbpackets: " + numberOfPackets);
File.WriteAllText(PATH + VERSION + Path.DirectorySeparatorChar + opcode + IGNORE_EXTENSION, "Not enough data, only " + numberOfPackets + " packets");
}
});
}
/*
* Create a different log file for every opcode found.
*/
public void SplitLogsIntoSeparatorOpcodeFiles()
{
foreach (var file in Directory.GetFiles(PATH + Path.DirectorySeparatorChar + VERSION, "*" + LOGS_EXTENSION, SearchOption.AllDirectories))
{
var reader = new PacketLogFile(file);
foreach (var message in reader.Messages)
{
var writer = GetOrInitializeWriter(message.OpCode);
writer.Append(message);
}
}
CloseReaders();
}
public void DynamicSizeCheck()
{
var path = PATH + VERSION + Path.DirectorySeparatorChar;
Parallel.ForEach(Directory.GetFiles(path, "*" + SPLITTED_LOGS_EXTENSION, SearchOption.AllDirectories), (file) =>
{
var filename = Path.GetFileName(file);
if (File.Exists(path + filename + DEF_EXTENSION) || File.Exists(path + filename + IGNORE_EXTENSION))
{
return;
}
var reader = new PacketLogFile(file);
foreach (var message in reader.Messages)
{
var structure = FindStruc(message);
}
});
}
public static List <Message> LoadLogFromFile(string filename)
{
var plf = new PacketLogFile(filename);
var messageList = plf.Messages.ToList();
if (messageList.ElementAt(0).OpCode != 19900)
{
throw new Exception("Analysing a log without starting by the beginning is meaningless");
}
if (messageList.ElementAt(0).Payload.Count == 30) // Old log, need to remove the last 2 bytes
{
Console.WriteLine("Old log detected, removing the last 2 bytes");
Parallel.ForEach(messageList, message =>
{
message.Data = new ArraySegment <byte>(message.Data.Array, 0, message.Data.Count - 2);
});
}
return(messageList);
}
private void OpenPacketLogMenuItem_Click(object sender, EventArgs e)
{
if (OpenPacketLogFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
_teraSniffer.Enabled = false;
var log = new PacketLogFile(OpenPacketLogFileDialog.FileName);
var server = new Server(string.Format("[{0}] Packet Log", log.Header.Region), log.Header.Region ?? "EU", null);
HandleNewConnection(server);
foreach (var message in log.Messages)
{
HandleMessageReceived(message);
}
}