public MultiplexConnectionOutputPump(BufferRead bufferRead, BufferWrite bufferWrite, int connectionId)
{
this.bufferRead = bufferRead;
this.bufferWrite = bufferWrite;
this.inputBuffer = new byte[65536];
this.connectionId = connectionId;
}
public MultiplexConnectionOutputPump(BufferRead bufferRead, BufferWrite bufferWrite, int connectionId)
{
this.bufferRead = bufferRead;
this.bufferWrite = bufferWrite;
inputBuffer = new byte[65536];
this.connectionId = connectionId;
}
public BaseServer(Socket serverSocket)
{
Socket = serverSocket;
_serverQueryChallenges = new List <NetChallenge>();
Clients = new List <GameClient>();
Signon = new BufferWrite();
TickInterval = 0.03f;
}
public override bool WriteToBuffer(BufferWrite buffer)
{
buffer.WriteInt(Tick);
buffer.WriteULong(Utils.Clamp <ulong>((ulong)(HostFrameTime * Networking.NetTickScaleUp), 0, 65535));
buffer.WriteULong(Utils.Clamp <ulong>((ulong)(HostFrameTimeStdDeviation * Networking.NetTickScaleUp), 0, 65535));
return(true);
}
public FramingOutputPump(BufferRead bufferRead, BufferWrite bufferWrite, int pingFrequency, EventTraceActivity activity, Uri uri)
{
this.bufferRead = bufferRead;
this.bufferWrite = bufferWrite;
this.inputBuffer = new byte[65536];
this.pingFrequency = pingFrequency;
this.activity = activity;
this.uri = uri;
}
public static void OutOfBandPrintf(Socket socket, EndPoint addr, string format, params object[] args)
{
var msg = new BufferWrite();
msg.WriteBytes(NetProtocol.ConnectionlessHeader);
msg.WriteString(string.Format(format, args));
SendPacket(null, socket, addr, msg.GetData());
}
public FramingInputPump(BufferRead bufferRead, BufferWrite bufferWrite, Action bufferDone, EventTraceActivity activity, Uri uri)
{
this.bufferRead = bufferRead;
this.bufferWrite = bufferWrite;
this.bufferDone = bufferDone;
this.inputBuffer = new byte[65536];
this.preambleBuffer = new byte[2];
this.Activity = activity;
this.uri = uri;
}
public bool SendData(BufferWrite msg, bool reliable = false)
{
if (_remoteAddress == null)
{
return(true);
}
var buf = reliable ? StreamReliable : StreamUnreliable;
return(buf.WriteBytes(msg.GetData()));
}
public NetChannel()
{
_netMesages = new List <NetMessage>();
StreamReliable = new BufferWrite();
StreamUnreliable = new BufferWrite();
_timeout = Networking.SignonTimeout;
_rate = Networking.DefaultRate;
_inReliableState = 0;
_outReliableState = 0;
}
private void ReplyChallenge(EndPoint clientEp)
{
var msg = new BufferWrite();
// get a free challenge number
var challengeNr = GetChallengeNr(clientEp);
msg.WriteBytes(NetProtocol.ConnectionlessHeader);
msg.WriteChar((char)EConnectionType.ServerChallenge);
msg.WriteInt(challengeNr);
msg.WriteInt(1); // auth protocol
msg.WriteString("EE00");
Networking.SendPacket(null, Socket, clientEp, msg.GetData());
}
public bool SendServerInfo()
{
var msg = new BufferWrite();
_sendServerInfo = false;
SignonState = ESignonState.New;
var signonMsg = new NetMessageSignonState(SignonState);
signonMsg.WriteToBuffer(msg);
if (!_netChannel.SendData(msg))
{
Disconnect("Server info data overflow");
return(false);
}
return(true);
}
private void SendConnectPacket(int challengeNr, int authProtocol)
{
var serverEp = (EndPoint) new IPEndPoint(IPAddress.Any, 0);
if (!Networking.StringToAddr(_retryAddress, ref serverEp))
{
Console.WriteLine("Bad server address ({0})!\n", serverEp);
Disconnect();
return;
}
var msg = new BufferWrite();
msg.WriteBytes(NetProtocol.ConnectionlessHeader);
msg.WriteChar((char)EConnectionType.PlayerConnect);
msg.WriteInt(Program.ProtocolVersion);
msg.WriteInt(authProtocol);
msg.WriteInt(challengeNr);
msg.WriteString(Program.ClientName);
msg.WriteString(Program.ServerPassword);
Networking.SendPacket(null, _socket, serverEp, msg.GetData());
}
public abstract bool WriteToBuffer(BufferWrite buffer);
public StreamOverWriteDelegate(BufferWrite bufferWrite)
{
this.bufferWrite = bufferWrite;
}
public MultiplexedConnection(BufferWrite bufferWrite, int connectionId)
{
Id = connectionId;
this.bufferWrite = bufferWrite;
Trace.TraceInformation("Connection {0} created", connectionId);
}
public MultiplexedConnection(BufferWrite bufferWrite)
{
Id = Interlocked.Increment(ref lastConnection);
this.bufferWrite = bufferWrite;
Trace.TraceInformation("Connection {0} created", Id);
}
public override bool WriteToBuffer(BufferWrite buffer)
{
buffer.WriteByte((byte)_state);
return(true);
}
public BufferPump(BufferRead bufferRead, BufferWrite bufferWrite, int bufferSize)
{
this.bufferRead = bufferRead;
this.bufferWrite = bufferWrite;
this.inputBuffer = new byte[bufferSize];
}
public StreamOverWriteDelegate(BufferWrite bufferWrite)
{
this.bufferWrite = bufferWrite;
}
public BufferPump(BufferRead bufferRead, BufferWrite bufferWrite)
: this(bufferRead, bufferWrite, 65536)
{
}
public BufferPump(BufferRead bufferRead, BufferWrite bufferWrite, int bufferSize)
{
this.bufferRead = bufferRead;
this.bufferWrite = bufferWrite;
inputBuffer = new byte[bufferSize];
}
public BufferPump(BufferRead bufferRead, BufferWrite bufferWrite)
: this(bufferRead, bufferWrite, 65536)
{
}
public virtual void SendSnapshot(ClientFrame frame)
{
// do not send same snapshot twice
if (_lastSnapshot == frame.GetSnapshot())
{
NetChannel.Transmit();
return;
}
// if we send a full snapshot (no delta-compression) before, wait until client
// received and acknowledge that update. don't spam client with full updates
if (_forceWaitForTick > 0)
{
NetChannel.Transmit();
return;
}
var msg = new BufferWrite();
var deltaFrame = GetDeltaFrame(_deltaTick);
if (deltaFrame == null)
{
// We need to send a full update and reset the instanced baselines
OnRequestFullUpdate();
}
var tickmsg = new NetMessageTick(frame.TickCount, Program.HostFrametimeUnbounded, Program.HostFrametimeStdDeviation);
tickmsg.WriteToBuffer(msg);
// send entity update, delta compressed if deltaFrame != NULL
Server.WriteDeltaEntities(this, frame, deltaFrame, msg);
var maxTempEnts = 255;
Server.WriteTempEntities(this, frame.GetSnapshot(), _lastSnapshot, msg, maxTempEnts);
_lastSnapshot = frame.GetSnapshot();
if (NetChannel == null)
{
_deltaTick = frame.TickCount;
return;
}
bool sendOk;
if (deltaFrame == null)
{
sendOk = NetChannel.SendData(msg);
sendOk = sendOk && NetChannel.Transmit();
// remember this tickcount we send the reliable snapshot
// so we can continue sending other updates if this has been acknowledged
_forceWaitForTick = frame.TickCount;
}
else
{
sendOk = NetChannel.SendDatagram(msg) > 0;
}
if (!sendOk)
{
Disconnect("Error! Couldn't send snapshot");
}
}
public void WriteTempEntities(BaseClient baseClient, FrameSnapshot getSnapshot, FrameSnapshot lastSnapshot, BufferWrite msg, int maxTempEnts)
{
// CBaseServer::WriteTempEntities
}
public int SendDatagram(BufferWrite datagram)
{
var send = new BufferWrite();
send.WriteInt(_outSequenceNr);
send.WriteInt(_inSequenceNr);
send.WriteByte(_inReliableState);
var flagsPos = send.Position;
// write correct flags value later
send.WriteByte(0);
byte flags = 0;
if (_chokedPackets > 0)
{
flags |= (byte)ENetPacketHeader.Choked;
send.WriteByte((byte)(_chokedPackets & 0xFF));
}
if (datagram != null)
{
if (datagram.GetNumBitsWritten() > 0)
{
send.WriteBytes(datagram.GetData());
}
}
if (StreamUnreliable.GetNumBitsWritten() > 0)
{
send.WriteBytes(StreamUnreliable.GetData());
}
// clear unreliable data buffer
StreamUnreliable.Reset();
send.WriteByteAt((int)flagsPos, flags);
var bytesSend = Networking.SendPacket(this, _socket, _remoteAddress, send.GetData());
// TODO: Calc sended size with udp header, and retreive stats
// TODO: Network throttling
if (_clearTime < Networking.NetTime)
{
_clearTime = Networking.NetTime;
}
var addTime = bytesSend / _rate;
_clearTime += addTime;
if (Networking.NetMaxcleartime > 0.0f)
{
var latestClearTime = Networking.NetTime + Networking.NetMaxcleartime;
if (_clearTime > latestClearTime)
{
_clearTime = latestClearTime;
}
}
_chokedPackets = 0;
_outSequenceNr++;
// return send sequence nr
return(_outSequenceNr - 1);
}
public MultiplexedConnection(BufferWrite bufferWrite, int connectionId)
{
Id = connectionId;
this.bufferWrite = bufferWrite ?? throw new ArgumentNullException(nameof(bufferWrite));
Trace.TraceInformation("Connection {0} created", connectionId);
}
public MultiplexedConnection(BufferWrite bufferWrite)
: this(bufferWrite, Interlocked.Increment(ref lastConnection))
{
}
public void WriteDeltaEntities(BaseClient client, ClientFrame to, ClientFrame from, BufferWrite buf)
{
var u = new EntityWriteInfo();
u.Buf = buf;
u.To = to;
u.ToSnapshot = to.GetSnapshot();
u.Baseline = client.Baseline;
u.FullProps = 0;
u.Server = this;
u.ClientEntity = client.EntityIndex;
u.CullProps = true;
if (from != null)
{
u.AsDelta = true;
u.From = from;
u.FromSnapshot = from.GetSnapshot();
}
else
{
u.AsDelta = false;
u.From = null;
u.FromSnapshot = null;
}
u.HeaderCount = 0;
// set from_baseline pointer if this snapshot may become a baseline update
if (client.BaselineUpdateTick == -1)
{
// TODO: Clear client baselines sent
// TODO: Set 'to' from baseline to client.BaselinesSent
}
u.Buf.WriteUShort((ushort)ENetCommand.SvcPacketEntities);
u.Buf.WriteInt(u.ToSnapshot.NumEntities);
if (u.AsDelta)
{
u.Buf.WriteByte(1);
u.Buf.WriteInt(u.From.TickCount);
}
else
{
u.Buf.WriteByte(0);
}
u.Buf.WriteInt(client.BaselineUsed);
// Store off current position
var savePos = u.Buf.Position;
}
public MultiplexedConnection(BufferWrite bufferWrite)
{
this.connectionId = Interlocked.Increment(ref lastConnection);
this.bufferWrite = bufferWrite;
Trace.TraceInformation("Connection {0} created", connectionId);
}
public StreamBufferWritePump(Stream stream, BufferWrite bufferWrite)
: base(stream.Read, bufferWrite)
{
this.stream = stream;
}
public MultiplexedConnection(BufferWrite bufferWrite, int connectionId)
{
this.connectionId = connectionId;
this.bufferWrite = bufferWrite;
Trace.TraceInformation("Connection {0} created", connectionId);
}