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Cleans up API (#289)

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Kamron Batman 2020-10-25 22:17:42 -07:00 • committed by GitHub
parent 990e6fe188
commit 90220feb41
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3 changed files with 73 additions and 59 deletions
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29
Projects/Server/Network/NetState/NetState.cs
View file

@ -23,7 +23,6 @@ using System.Net.Sockets;
using System.Runtime.CompilerServices;
using System.Threading;
using Server.Accounting;
using Server.Exceptions;
using Server.Gumps;
using Server.HuePickers;
using Server.Items;
@ -55,7 +54,6 @@ namespace Server.Network
private byte[] _sendBuffer;
private long m_NextCheckActivity;
private volatile bool m_Running;
private readonly Thread _sendThread;
private volatile EncodePacket _packetDecoder;
private volatile EncodePacket _packetEncoder;
@ -77,7 +75,7 @@ namespace Server.Network
Timer.DelayCall(checkAliveDuration, checkAliveDuration, CheckAllAlive);
}
public NetState(Socket connection, Thread sendThread = null)
public NetState(Socket connection)
{
m_Running = false;
Connection = connection;
@ -91,7 +89,6 @@ namespace Server.Network
_sendBuffer = new byte[SendPipeSize];
SendPipe = new Pipe<byte>(_sendBuffer);
m_NextCheckActivity = Core.TickCount + 30000;
_sendThread = sendThread ?? Core.Thread;
try
{
@ -372,8 +369,6 @@ namespace Server.Network
NetworkState.Resume(ref m_NetworkState);
}
public bool GetAvailableSendPipe(out CircularBuffer<byte> buffer) => SendPipe.Writer.GetAvailable(out buffer);
public virtual void Send(ref CircularBuffer<byte> buffer, int length)
{
if (Connection == null || BlockAllPackets || buffer.Length == 0)
@ -381,14 +376,6 @@ namespace Server.Network
return;
}
#if DEBUG
var currentThread = Thread.CurrentThread;
if (currentThread != _sendThread)
{
throw new InvalidThreadException("Attempted to send packet outside send thread!");
}
#endif
try
{
_packetEncoder?.Invoke(ref buffer, ref length);
@ -412,15 +399,6 @@ namespace Server.Network
return;
}
#if DEBUG
var currentThread = Thread.CurrentThread;
if (currentThread != _sendThread)
{
throw new InvalidThreadException("Attempted to send packet outside send thread!");
}
#endif
var writer = SendPipe.Writer;
try
@ -429,7 +407,7 @@ namespace Server.Network
if (buffer.Length > 0 && length > 0)
{
if (!GetAvailableSendPipe(out var pipeBuffer))
if (!SendPipe.Writer.GetAvailable(out var pipeBuffer))
{
p.OnSend();
return;
@ -489,7 +467,8 @@ namespace Server.Network
{
while (m_Running)
{
if (!(await reader).TryRead(segments))
var result = await reader.Read(segments);
if (result.Closed)
{
break;
}

49
Projects/Server/Network/Pipe.cs
View file

@ -33,12 +33,20 @@ namespace Server.Network
public class Pipe<T>
{
public readonly struct Result
{
public bool Closed { get; }
public Result(bool closed) => Closed = closed;
}
public class PipeWriter<T>
{
private readonly Pipe<T> _pipe;
public PipeWriter(Pipe<T> pipe) => _pipe = pipe;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool GetAvailable(ArraySegment<T>[] segments)
{
var read = _pipe._readIdx;
@ -63,6 +71,7 @@ namespace Server.Network
return !_pipe._closed;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool GetAvailable(out CircularBuffer<T> buffer)
{
var read = _pipe._readIdx;
@ -183,7 +192,7 @@ namespace Server.Network
}
}
public class PipeReader<T> : IPipeTask<PipeReader<T>>
public class PipeReader<T> : IPipeTask<Result>
{
private readonly Pipe<T> _pipe;
@ -203,6 +212,20 @@ namespace Server.Network
return write + _pipe.Size - read;
}
private ArraySegment<T>[] _segments;
public IPipeTask<Result> Read(ArraySegment<T>[] segments)
{
if (_pipe._awaitBeginning)
{
throw new Exception("Double await on reader");
}
_segments = segments;
return this;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool TryRead(out CircularBuffer<T> buffer)
{
var read = _pipe._readIdx;
@ -226,7 +249,8 @@ namespace Server.Network
return !_pipe._closed;
}
public bool TryRead(ArraySegment<T>[] segments)
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void TryRead(ArraySegment<T>[] segments)
{
var read = _pipe._readIdx;
var write = _pipe._writeIdx;
@ -241,8 +265,6 @@ namespace Server.Network
segments[0] = _pipe.Size - read == 0 ? ArraySegment<T>.Empty : new ArraySegment<T>(_pipe._buffer, (int)read, (int)(_pipe.Size - read));
segments[1] = write == 0 ? ArraySegment<T>.Empty : new ArraySegment<T>(_pipe._buffer, 0, (int)write);
}
return !_pipe._closed;
}
public void Advance(uint count)
@ -288,7 +310,7 @@ namespace Server.Network
// The following makes it possible to await the reader. Do not use any of this directly.
public IPipeTask<PipeReader<T>> GetAwaiter() => this;
public IPipeTask<Result> GetAwaiter() => this;
public bool IsCompleted
{
@ -304,7 +326,22 @@ namespace Server.Network
}
}
public PipeReader<T> GetResult() => this;
public Result GetResult()
{
if (_pipe._closed)
{
_segments = null;
return new Result(true);
}
if (_segments != null)
{
TryRead(_segments);
_segments = null;
}
return new Result(false);
}
public void OnCompleted(Action continuation) => _pipe._readerContinuation = continuation;