public ServerResponseType HandleMessage(Backend.Backend backend, ServerMessageType message, string session, BinaryReader datareader, BinaryWriter datawriter)
{
if (backend.IsMultiplayer)
{
return(ServerResponseType.REQ_ERROR);
}
var ipaddr = datareader.ReadUInt32();
ushort port = 80;
if (datareader.BaseStream.Length - datareader.BaseStream.Position >= 2)
{
port = datareader.ReadUInt16();
}
if (_ip.GrabEntity(ipaddr) == null)
{
return(ServerResponseType.REQ_ERROR);
}
var entity = _entityManager.GetPlayerEntityId(session);
var playerIp = _ip.FetchAllIPs(entity);
if (playerIp.Length == 0)
{
return(ServerResponseType.REQ_ERROR);
}
try
{
_ip.MakeConnection(ipaddr, playerIp[0].Address, port);
return(ServerResponseType.REQ_SUCCESS);
}
catch
{
return(ServerResponseType.REQ_ERROR);
}
}
internal void StartLocalServer()
{
_localBackend = new Backend.Backend(3252, false, Path.Combine(_appdata.GamePath, "world"));
_localBackend.Listen();
_localBackend.ServerReady.WaitOne();
Logger.Log("Starting internal single-player server.");
var result = _server.Connect("localhost:3252");
result.Wait();
Logger.Log("*** Connected To Internal Server ***", System.ConsoleColor.Green);
if (result.Result.Result != ConnectionResultType.Success)
{
throw new Exception("An error has occurred starting the internal server.");
}
EnsureProperEnvironment();
}
public BroadcastingStream(Backend backend, string player)
{
_backend = backend;
_player = player;
}
/// <inheritdoc/>
public ServerResponseType HandleMessage(Backend backend, ServerMessageType message, string session, BinaryReader datareader, BinaryWriter datawriter)
{
datawriter.Write(backend.IsMultiplayer);
return(ServerResponseType.REQ_SUCCESS);
}
public ServerResponseType HandleMessage(Backend backend, ServerMessageType message, string session, BinaryReader datareader, BinaryWriter datawriter)
{
// The easy part: authorising.
var id = datareader.ReadInt32();
var fail = false;
fail = id < 0 || id >= holder.info.Count; // Stream ID out of range
Tuple <Stream, string> s = null;
if (!fail)
{
s = holder.info[id];
fail = s == null; // Stream ID nulled (closed already)
}
if (!fail)
{
fail = s.Item2 != session; // Stream doesn't belong to accessing user
}
if (fail)
{
Logger.Log("failed");
// We give the same error in all cases so the user can't figure anything out
// by making deliberately dodgy requests
datawriter.Write($"Could not get a handle on stream {id} - nonexistent or not authorised.");
return(ServerResponseType.REQ_ERROR);
}
var opi = datareader.ReadByte();
if (!Enum.IsDefined(typeof(StreamOp), opi)) // Make sure the byte is in range of the enum
{
Logger.Log("invalid stream operation");
datawriter.Write($"Invalid stream operation {opi}.");
return(ServerResponseType.REQ_ERROR);
}
var op = (StreamOp)opi; // We know it's valid now, so get the enum entry
MethodInfo fun;
dynamic ret;
try
{
switch (op) // special cases
{
case StreamOp.Close:
s.Item1.Dispose();
holder.info[id] = null;
return(ServerResponseType.REQ_SUCCESS);
case StreamOp.ReadByte:
datawriter.Write(s.Item1.ReadByte());
return(ServerResponseType.REQ_SUCCESS);
case StreamOp.WriteByte:
s.Item1.WriteByte((byte)datareader.ReadInt32());
return(ServerResponseType.REQ_SUCCESS);
case StreamOp.Read:
var r = new byte[datareader.ReadInt32()];
datawriter.Write(s.Item1.Read(r, 0, r.Length));
datawriter.Write(r.Length);
datawriter.Write(r);
return(ServerResponseType.REQ_SUCCESS);
case StreamOp.Write:
var w = datareader.ReadBytes(datareader.ReadInt32());
s.Item1.Write(w, 0, w.Length);
return(ServerResponseType.REQ_SUCCESS);
}
// Look up the method from its enum entry.
fun = typeof(Stream).GetMethod(op.ToString());
// Call it and get the result.
// The Select finds a BinaryReader method that reads each argument type.
ret = fun.Invoke(s.Item1, fun.GetParameters().Select(p => typeof(BinaryReader).GetMethods().First(m => m.Name.Length > 4 && m.Name.StartsWith("Read", StringComparison.InvariantCulture) && m.ReturnType == (p.ParameterType.IsEnum ? Enum.GetUnderlyingType(p.ParameterType) : p.ParameterType)).Invoke(datareader, null)).ToArray());
}
catch (Exception ex)
{
// Not sending back the exception, who knows what's in it?
Logger.Log(ex.ToString());
datawriter.Write($"Internal error.");
return(ServerResponseType.REQ_ERROR);
}
if (fun.ReturnType != typeof(void))
{
((dynamic)datawriter).Write(ret);
}
return(ServerResponseType.REQ_SUCCESS);
}
public ServerResponseType HandleMessage(Backend backend, ServerMessageType message, string session, BinaryReader datareader, BinaryWriter datawriter)
{
datawriter.Write(rstreams.Create(new MemoryStream(Encoding.UTF8.GetBytes("SOMETHING SOMETHING IS A TESTAMENT TO WHY THE WAYS OF THE BLIND WILL NEVER GET")), session));
return(ServerResponseType.REQ_SUCCESS);
}
