private static void DecodeMessage(WebClient client, byte[] message)
{
int commandId = BitConverter.ToInt32(message, 0);
bool useTracker = BitConverter.ToBoolean(message, 4);
TrackerOrigin origin = useTracker && BitConverter.ToBoolean(message, 5) ? TrackerOrigin.Client : TrackerOrigin.Server;
int tracker = useTracker ? BitConverter.ToInt32(message, 6) : 0;
bool hasData = BitConverter.ToBoolean(message, useTracker ? 10 : 5);
int headersLen = useTracker ? 11 : 6;
if (!ProtocolMap.ProtocolCache.Forward.HasEntry(commandId))
{
TcpServer.WriteLogSafe($"{client.Session.Id} | WARNING: client sent invalid command. ignoring.");
return;
}
TcpServer.WriteLogSafe($"{client.Session.Id} | Recieved [{BitConverter.ToString(message)}]");
var command = hasData ? SignalReceived.BuildSignal(commandId, ref message, headersLen) : null;
SignalReceived.OnSignalReceived(client, command, useTracker, tracker, origin);
// if (origin != TrackerOrigin.Client)
// return;
//
// if (command == typeof(PingRequest))
// {
// WriteMessage(session, new PingResponse
// {
// Message = session.Id
// }, tracker, origin);
//
// WriteMessage(session, new PingRequest
// {
// Message = session.Id
// }, 0, TrackerOrigin.Server);
// } else if (command == typeof(PingResponse))
// {
// TcpServer.WriteLogSafe(headersLen);
// TcpServer.WriteLogSafe($"{session.Id} | PONG [{PingResponse.Parser.ParseFrom(message, headersLen, message.Length - headersLen)}]");
// }
}
public static void WriteMessage(WebClient client, IMessage data, [Optional] Int32 tracker, [Optional] TrackerOrigin origin, bool useTracker = false)
{
var type = data.GetType();
if (!ProtocolMap.ProtocolCache.Reverse.HasEntry(type))
{
TcpServer.WriteLogSafe($"{client.Session.Id} | WARNING: attempted to send invalid command. ignoring.");
return;
}
var streamRaw = new MemoryStream();
streamRaw.Write(BitConverter.GetBytes(ProtocolMap.ProtocolCache.Reverse[type]), 0, 4);
streamRaw.Write(BitConverter.GetBytes(useTracker), 0, 1);
if (useTracker)
{
streamRaw.Write(BitConverter.GetBytes(Convert.ToBoolean(origin)), 0, 1);
streamRaw.Write(BitConverter.GetBytes(tracker), 0, 4);
}
streamRaw.Write(BitConverter.GetBytes(ProtocolMap.ProtocolAttributes[type].HasData), 0, 1);
data.WriteTo(streamRaw);
var res = streamRaw.ToArray();
TcpServer.WriteLogSafe($"{client.Session.Id} | Sending: {BitConverter.ToString(res)}");
client.Session.QueueMessage(res, true);
streamRaw.Dispose();
}
public static void WriteMessage(WebClient client, IMessage data, Int32 tracker, TrackerOrigin origin) => WriteMessage(client, data, tracker, origin, true);
