public IoSession Open(SerialPortConfig config = null)
{
using (var scope = ObjectHost.Host.BeginLifetimeScope())
{
if (!IsOpened())
{
try
{
config = config ?? new SerialPortConfig();
endpoint = new SerialEndPoint(config.PortName, config.BaudRate);
var serial = new SerialConnector();
serial.FilterChain.AddLast("logger", new LoggingFilter());
serial.FilterChain.AddLast("codec", new ProtocolCodecFilter(new PacketCodecFactory()));
serial.FilterChain.AddLast("exceptionCounter", scope.Resolve<ExceptionCounterFilter>());
serial.Handler = scope.Resolve<PacketHandler>();
serial.SessionCreated += (sender, e) =>
{
e.Session.SetAttributeIfAbsent(KeyName.SESSION_ERROR_COUNTER, 0);
};
future = serial.Connect(endpoint);
future.Await();
}
catch (Exception ex)
{
Log.Error(ErrorCode.SerialPortSessionOpenError, ex);
throw new SerialSessionOpenException(endpoint, ex);
}
}
}
if (IsOpened()) return future.Session;
else throw new SerialSessionOpenException(endpoint);
}
public SerialSession(SerialConnector service, SerialEndPoint endpoint, SerialPort serialPort)
: base(service)
{
_processor = service;
base.Config = new SessionConfigImpl(serialPort);
if (service.SessionConfig != null)
Config.SetAll(service.SessionConfig);
_filterChain = new DefaultIoFilterChain(this);
_serialPort = serialPort;
_endpoint = endpoint;
_serialPort.DataReceived += new SerialDataReceivedEventHandler(_serialPort_DataReceived);
}
public SerialSession(SerialConnector service, SerialEndPoint endpoint, SerialPort serialPort)
: base(service)
{
_processor = service;
base.Config = new SessionConfigImpl(serialPort);
if (service.SessionConfig != null)
{
Config.SetAll(service.SessionConfig);
}
_filterChain = new DefaultIoFilterChain(this);
_serialPort = serialPort;
_endpoint = endpoint;
_serialPort.DataReceived += new SerialDataReceivedEventHandler(_serialPort_DataReceived);
}
/// <inheritdoc/>
protected override IConnectFuture Connect0(EndPoint remoteEP, EndPoint localEP, Action <IoSession, IConnectFuture> sessionInitializer)
{
ISerialSessionConfig config = (ISerialSessionConfig)SessionConfig;
SerialEndPoint sep = (SerialEndPoint)remoteEP;
SerialPort serialPort = new SerialPort(sep.PortName, sep.BaudRate, sep.Parity, sep.DataBits, sep.StopBits);
if (config.ReadBufferSize > 0)
{
serialPort.ReadBufferSize = config.ReadBufferSize;
}
if (config.ReadTimeout > 0)
{
serialPort.ReadTimeout = config.ReadTimeout * 1000;
}
if (config.WriteBufferSize > 0)
{
serialPort.WriteBufferSize = config.WriteBufferSize;
}
if (config.WriteTimeout > 0)
{
serialPort.WriteTimeout = config.WriteTimeout * 1000;
}
if (config.ReceivedBytesThreshold > 0)
{
serialPort.ReceivedBytesThreshold = config.ReceivedBytesThreshold;
}
IConnectFuture future = new DefaultConnectFuture();
SerialSession session = new SerialSession(this, sep, serialPort);
InitSession(session, future, sessionInitializer);
try
{
session.Processor.Add(session);
}
catch (IOException ex)
{
return(DefaultConnectFuture.NewFailedFuture(ex));
}
_idleStatusChecker.Start();
return(future);
}
static void Main(string[] args)
{
IoConnector serial = new SerialConnector();
// Add two filters : a logger and a codec
serial.FilterChain.AddLast("logger", new LoggingFilter());
serial.FilterChain.AddLast("codec", new ProtocolCodecFilter(new TextLineCodecFactory(Encoding.UTF8)));
serial.ExceptionCaught += (s, e) => e.Session.Close(true);
serial.MessageReceived += (s, e) =>
{
Console.WriteLine(e.Message);
};
SerialEndPoint serialEP = new SerialEndPoint("COM3", 38400);
IConnectFuture future = serial.Connect(serialEP);
future.Await();
if (future.Connected)
{
while (true)
{
String line = Console.ReadLine();
if (line.Trim().Equals("quit", StringComparison.OrdinalIgnoreCase))
{
future.Session.Close(true);
break;
}
future.Session.Write(line);
}
}
else if (future.Exception != null)
{
Console.WriteLine(future.Exception);
}
Console.WriteLine("Press ENTER to exit");
Console.ReadLine();
}
public SerialSessionOpenException(SerialEndPoint endpoint, Exception inner)
: base(string.Format(ExceptionMessage.FAILED_TO_OPEN_REMOTE_ENDPOINT, endpoint.ToString()), inner) { }
public SerialSessionOpenException(SerialEndPoint endpoint)
: this(endpoint, null) { }