/// <summary>
/// Handle packet
/// </summary>
/// <param name="client">Client connection</param>
/// <param name="packetBody">packet data</param>
public static void Process(ClientConnection client, byte[] packetBody)
{
if (packetBody[0] == 1) //if crypto flag is 1, decrypt
{
client.Session.Transform(ref packetBody);
}
using (var stream = new MemoryStream(packetBody))
using (var reader = new BinaryReader(stream))
{
var isCrypt = reader.ReadBoolean(); // need just read for move position, we decrypt before
var sequence = reader.ReadInt16();
var opCode = reader.ReadInt16();
var body = reader.ReadBytes(packetBody.Length - 5); // without crypt flag, sequence and opCode length
client.SequenceId = sequence; // install sequence id
lock (RLock)
RecvEvent?.Invoke(opCode, body, isCrypt);
if (ClientFrames.ContainsKey(opCode)) // check, if packet exist
{
((APacketProcessor)Activator.CreateInstance(ClientFrames[opCode])).Process(client, body); // process packet
}
else if (CfgCore.Default.LogUnkPackets)
{
Console.WriteLine($"Unknown packet\nOpCode {opCode}\nData:\n {body.FormatHex()}"); // if packet not exist, we cannot proccess hem, just write log
}
}
}
public static void OnRecvEvent(string message)
{
RecvEvent?.Invoke(message);
}