public static void Parse(Packet packet, bool isMultiple = false)
{
ParsedStatus status;
packet.WriteLine(packet.GetHeader(isMultiple));
if (packet.Opcode == 0)
{
return;
}
var opcode = Opcodes.GetOpcode(packet.Opcode, packet.Direction);
var key = new KeyValuePair <ClientVersionBuild, Opcode>(ClientVersion.VersionDefiningBuild, opcode);
Action <Packet> handler;
var hasHandler = VersionHandlers.TryGetValue(key, out handler);
ClientVersionBuild tmpFallback = ClientVersion.VersionDefiningBuild;
while (!hasHandler && tmpFallback != ClientVersionBuild.Zero)
{
// If no handler was found, try to find a handler
key = new KeyValuePair <ClientVersionBuild, Opcode>(tmpFallback, opcode);
hasHandler = VersionHandlers.TryGetValue(key, out handler);
tmpFallback = ClientVersion.FallbackVersionDefiningBuild(tmpFallback, ClientVersion.VersionDefiningBuild);
}
if (!hasHandler)
{
// If no handler was found, try to find a handler that works for any version.
key = new KeyValuePair <ClientVersionBuild, Opcode>(ClientVersionBuild.Zero, opcode);
hasHandler = VersionHandlers.TryGetValue(key, out handler);
}
if (hasHandler && Settings.DumpFormat != DumpFormatType.HexOnly)
{
if (Settings.DumpFormat == DumpFormatType.SniffDataOnly)
{
var attrs = handler.Method.GetCustomAttributes(typeof(HasSniffDataAttribute), false);
packet.AddSniffData(StoreNameType.Opcode, packet.Opcode, Opcodes.GetOpcodeName(packet.Opcode, packet.Direction));
if (attrs.Length == 0)
{
packet.Status = ParsedStatus.NotParsed;
return; // skip parsing "useless" packets when in SniffData-only-mode
}
}
try
{
handler(packet);
if (packet.Position == packet.Length)
{
status = ParsedStatus.Success;
}
else
{
var pos = packet.Position;
var len = packet.Length;
packet.WriteLine("Packet not fully read! Current position: {0} Length: {1} Bytes remaining: {2}.",
pos, len, len - pos);
if (len < 300) // If the packet isn't "too big" and it is not full read, print its hex table
{
packet.AsHex();
}
status = ParsedStatus.WithErrors;
}
}
catch (Exception ex)
{
packet.WriteLine(ex.GetType().ToString());
packet.WriteLine(ex.Message);
packet.WriteLine(ex.StackTrace);
status = ParsedStatus.WithErrors;
}
}
else
{
packet.AsHex();
status = opcode == Opcode.NULL_OPCODE ? ParsedStatus.NotParsed : ParsedStatus.NoStructure;
}
if (!isMultiple)
{
packet.Status = status;
if (Settings.DumpFormat != DumpFormatType.SniffDataOnly)
{
// added before for this type
var data = status == ParsedStatus.Success ? Opcodes.GetOpcodeName(packet.Opcode, packet.Direction) : status.ToString();
packet.AddSniffData(StoreNameType.Opcode, packet.Opcode, data);
}
}
}
