/// <summary>
/// Extracts all Packets out of the given logged and default-formatted lines
/// </summary>
public static List <PinnedRealmPacketIn> Extract(string[] log)
{
List <PinnedRealmPacketIn> packets = new List <PinnedRealmPacketIn>();
for (int i = 0; i < log.Length; i++)
{
RealmServerOpCode opCode;
var line = log[i];
if (line.StartsWith("{"))
{
Match match = Regex.Match(line, @"\(0x(.{4})\)");
if (match.Success)
{
opCode = (RealmServerOpCode)Int32.Parse(match.Groups[1].Value, NumberStyles.HexNumber);
}
else
{
match = Regex.Match(line, @"\(([^\)]+)\)");
if (match.Success)
{
opCode = (RealmServerOpCode)Enum.Parse(typeof(RealmServerOpCode), match.Groups[1].Value);
}
else
{
Console.WriteLine("Could not parse Packet Header: " + line);
continue;
}
}
// skip the column count
i += 4;
StringBuilder sb = new StringBuilder();
while ((line = log[i++]).StartsWith("|") && line.EndsWith("|"))
{
int first = line.IndexOf('|') + 1;
int second = line.IndexOf('|', first) - 1;
var str = line.Substring(first, second - first);
//str = str.TrimEnd(' ');
sb.Append(str + " ");
}
var bytes = UpdateFieldsUtil.ParseBytes(sb.ToString(), true);
var packetBytes = new byte[bytes.Length + RealmPacketIn.HEADER_SIZE];
var size = bytes.Length + RealmPacketIn.HEADER_SIZE;
packetBytes[0] = (byte)((size >> 8) & 0xFF);
packetBytes[1] = (byte)(size & 0xFF);
packetBytes[2] = (byte)((int)opCode & 0xFF);
packetBytes[3] = (byte)(((int)opCode >> 8) & 0xFF);
Array.Copy(bytes, 0, packetBytes, RealmPacketIn.HEADER_SIZE, bytes.Length);
var packet = PinnedRealmPacketIn.Create(packetBytes);
packet.Initialize();
packets.Add(packet);
}
}
return(packets);
}
/// <summary>
/// Extracts all Packets out of the given logged and default-formatted lines
/// </summary>
/// <param name="singleLinePackets">Whether the packet content is one single line (or false in case of the fancy ksniffer format)</param>
public static void Extract(string[] lines, bool singleLinePackets, params LogHandler[] handlers)
{
var lineNo = -1;
var opCode = (RealmServerOpCode)uint.MaxValue;
var sender = PacketSender.Any;
var timeStrLen = "TimeStamp".Length;
for (lineNo = 0; lineNo < lines.Length; lineNo++)
{
try
{
var timestamp = DateTime.Now;
var line = lines[lineNo];
if (line.Length == 0 || (singleLinePackets && !line.StartsWith("{")))
{
continue;
}
// find sender
if (line.IndexOf("SERVER", StringComparison.InvariantCultureIgnoreCase) > -1)
{
sender = PacketSender.Server;
}
else
{
sender = PacketSender.Client;
}
// find opcode and timestamp
var match = Regex.Match(line, @"\(0x(.{4})\)");
if (match.Success)
{
var timestampIndex = line.IndexOf("TimeStamp", StringComparison.InvariantCultureIgnoreCase) + timeStrLen;
if (timestampIndex >= 0)
{
uint x;
while (!uint.TryParse(line[timestampIndex].ToString(), out x))
{
timestampIndex++;
}
var timestampStr = line.Substring(timestampIndex).Trim();
long seconds;
if (long.TryParse(timestampStr, out seconds))
{
timestamp = Utility.GetUTCTimeMillis(seconds);
}
}
opCode = (RealmServerOpCode)Int32.Parse(match.Groups[1].Value, NumberStyles.HexNumber);
}
else
{
match = Regex.Match(line, @"\(([^\)]+)\)");
if (match.Success)
{
opCode = (RealmServerOpCode)Enum.Parse(typeof(RealmServerOpCode), match.Groups[1].Value);
}
else
{
Console.WriteLine("Could not parse Packet Header: " + line);
continue;
}
}
lineNo++; // one line for the packet-header
var opcodeHandler = handlers.Where(handler => handler.Validator(opCode)).FirstOrDefault();
var buildPacket = opcodeHandler != null;
var sb = new StringBuilder();
if (singleLinePackets)
{
if (buildPacket)
{
sb.Append(lines[lineNo]);
}
lineNo++;
}
else
{
// skip the column count
while (string.IsNullOrEmpty(line = lines[lineNo]) ||
line.StartsWith("|00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F") ||
line.StartsWith("|--------------------------------"))
{
lineNo++;
}
int start, end;
while (((line.Length > 5 && line[start = 4] == ':') || (start = line.IndexOf('|')) >= 0) &&
(end = line.IndexOf('|', start += 1)) > 0)
{
++lineNo;
if (buildPacket)
{
end -= 1;
var str = line.Substring(start, end - start);
var fillerStart = str.IndexOf("--");
if (fillerStart >= 0)
{
str = str.Substring(0, fillerStart - 1);
}
sb.Append(str + " ");
while ((line = lines[lineNo]).Length == 0) // skip empty lines
{
++lineNo;
}
}
}
}
if (buildPacket)
{
if (!Enum.IsDefined(typeof(RealmServerOpCode), opCode))
{
log.Warn("Packet at line #{0} had undefined Opcode: " + opCode, lineNo);
continue;
}
var bytes = UpdateFieldsUtil.ParseBytes(sb.ToString(), true);
var packet = DisposableRealmPacketIn.Create(opCode, bytes);
if (packet != null)
{
if (packet.PacketId == RealmServerOpCode.SMSG_COMPRESSED_UPDATE_OBJECT && packet.Length < 20)
{
throw new Exception("Format error - Did you specify singlePackets although its not single-line packets?");
}
opcodeHandler.PacketParser(new ParsablePacketInfo(packet, sender, timestamp));
}
}
}
catch (Exception e)
{
LogUtil.ErrorException(e, "Error in KSniffer-log at line {0} ({1})", lineNo, opCode);
}
}
}
