/// <summary>
/// Read message
/// </summary>
/// <typeparam name="T">Type</typeparam>
public T ReadMessage <T>() where T : TuringMessage
{
if (_Signal == null)
{
return(null);
}
TuringMessage ret = null;
_Signal.WaitOne();
lock (_Readed)
{
while (_Readed != null && !_Readed.TryDequeue(out ret))
{
Thread.Sleep(1);
}
}
if (ret == null)
{
throw (new Exception("Disconnected"));
}
if (ret is T)
{
return((T)ret);
}
if (ret is ExceptionMessage)
{
throw (new Exception(((ExceptionMessage)ret).Error));
}
throw (new Exception("Bad response"));
}
void RaiseOnMessage(TuringSocket sender, TuringMessage message)
{
if (message == null)
{
return;
}
// Enqueue
if (EnqueueMessages)
{
lock (_Readed) { _Readed.Enqueue(message); }
_Signal.Set();
}
OnMessage?.Invoke(sender, message);
}
/// <summary>
/// Check Data
/// </summary>
public TuringMessage CheckData(int read)
{
Index += read;
switch (State)
{
case ETuringMessageState.ReadingHeader:
{
if (Index == TuringMessage.HeaderLength)
{
int length;
ETuringMessageType type;
if (TuringMessage.ParseHeader(Buffer, 0, TuringMessage.HeaderLength, out length, out type))
{
Index = 0;
Buffer = new byte[length];
MessageType = type;
State = ETuringMessageState.ReadingData;
if (length == 0)
{
Clear();
return(TuringMessage.Create(type, Buffer));
}
}
}
break;
}
case ETuringMessageState.ReadingData:
{
if (Index == Buffer.Length)
{
TuringMessage ret = TuringMessage.Create(MessageType, Buffer);
Clear();
return(ret);
}
break;
}
}
return(null);
}
void OnDataReceive(IAsyncResult result)
{
TuringMessageState state = (TuringMessageState)result.AsyncState;
try
{
int bytesRead = state.Source._Socket.EndReceive(result);
if (bytesRead > 0)
{
TuringMessage msg = state.CheckData(bytesRead);
if (msg != null)
{
RaiseOnMessage(state.Source, msg);
}
ReadMessageAsync(state);
}
}
catch// (Exception e)
{
state.Source.Dispose();
}
}
/// <summary>
/// Send a message
/// </summary>
/// <param name="message">Message</param>
public void SendMessage(TuringMessage message)
{
if (message == null || _Socket == null)
{
return;
}
lock (_Socket)
{
byte[] data = message.GetData();
// http://stackoverflow.com/questions/5523565/socket-flush-by-temporarily-enabling-nodelay
//_Socket.NoDelay = true;
// Send header
_Socket.Send(message.GetHeader(data == null ? 0 : data.Length), 0, TuringMessage.HeaderLength, SocketFlags.None);
// Send data
if (data != null)
{
_Socket.Send(data, 0, data.Length, SocketFlags.None);
}
//_Socket.NoDelay = false;
}
}
