private void SocketEvent_Receive(IAsyncResult ar)
{
try
{
lock (this)
{
EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
var socket = _socket;
int transBytes = socket?.EndReceiveFrom(ar, ref remoteEP) ?? -1;
if (transBytes == -1)
{
return;
}
byte[] dispatchBuffer = new byte[transBytes];
Array.Copy(_receivedBuffer, dispatchBuffer, transBytes);
SpinWorker.Dispatch(() =>
{
EventRead?.Invoke(new IOEventResult(remoteEP, IOEventType.Read, dispatchBuffer, 0, transBytes, 0));
});
WaitForReceive();
}
}
catch (Exception e)
{
Logger.Err(LogMask.Aegis, e.ToString());
Close();
}
}
static ValueTask <EventWrite> DefaultTransform(EventRead evt)
=> new ValueTask <EventWrite>(
new EventWrite {
Stream = evt.EventStreamId,
EventId = evt.EventId,
EventType = evt.EventType,
IsJson = evt.IsJson,
Data = evt.Data,
Metadata = evt.Metadata,
SourcePosition = evt.Position
}
);
private void OnRead(IAsyncResult ar)
{
int transBytes = PipeStream.EndRead(ar);
if (transBytes == 0)
{
PipeStream.Close();
PipeStream = null;
EventClose?.Invoke(new IOEventResult(this, IOEventType.Close, AegisResult.ClosedByRemote));
return;
}
EventRead?.Invoke(new IOEventResult(this, IOEventType.Read, _receivedBuffer, 0, transBytes, AegisResult.Ok));
WaitForReceive();
}
private void ReceiveThread()
{
byte[] buffer = new byte[BaudRate * 2];
while (_receiveThread != null && Handle != null)
{
try
{
int readBytes = Handle.Read(buffer, 0, BaudRate);
if (readBytes == 0)
{
lock (this)
{
Handle?.Close();
Handle = null;
_receiveThread = null;
}
EventClose?.Invoke(new IOEventResult(this, IOEventType.Close, AegisResult.ClosedByRemote));
break;
}
EventRead?.Invoke(new IOEventResult(this, IOEventType.Read, buffer, 0, readBytes, AegisResult.Ok));
}
catch (System.IO.IOException)
{
lock (this)
{
Handle?.Close();
Handle = null;
_receiveThread = null;
EventClose?.Invoke(new IOEventResult(this, IOEventType.Close, AegisResult.ClosedByRemote));
}
break;
}
catch (Exception e)
{
ErrorHandler?.Invoke(e);
Logger.Err(LogMask.Aegis, e.Message);
}
}
}