Major upgrade
This commit is contained in:
Duc
@@ -30,387 +30,314 @@
|
||||
// DISTRIBUTION/DISSEMINATION CONTROL: F
|
||||
// POC: Alex Kravchenko (1118268)
|
||||
// **********************************************************************************************************
|
||||
using System;
|
||||
using System.IO.Ports;
|
||||
using System.Threading;
|
||||
using System.Threading.Tasks;
|
||||
using NLog;
|
||||
using Raytheon.Common;
|
||||
using System;
|
||||
using System.Net;
|
||||
using System.Net.Sockets;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using System.Threading;
|
||||
using System.Reflection;
|
||||
using System.IO.Ports;
|
||||
|
||||
namespace Raytheon.Instruments
|
||||
{
|
||||
/// <summary>
|
||||
/// A sim communication device
|
||||
/// </summary>
|
||||
public class CommDeviceSerialAsync : ICommAsync
|
||||
{
|
||||
#region PrivateClassMembers
|
||||
/// <summary>
|
||||
/// A sim communication device
|
||||
/// </summary>
|
||||
public class CommDeviceSerialAsync : ICommAsync
|
||||
{
|
||||
#region PrivateClassMembers
|
||||
|
||||
private uint _defaultReadTimeout;
|
||||
private uint _defaultSendTimeout;
|
||||
private uint _defaultReadBufferSize;
|
||||
private static readonly object _syncObj = new object();
|
||||
private uint _defaultReadTimeout;
|
||||
private uint _defaultSendTimeout;
|
||||
private uint _defaultReadBufferSize;
|
||||
private object _syncObj = new object();
|
||||
|
||||
private SerialPort _serialPort;
|
||||
private SerialPort _serialPort;
|
||||
|
||||
private readonly string _comPortName;
|
||||
private readonly int _baudRate;
|
||||
private readonly Parity _parity;
|
||||
private readonly int _dataBits;
|
||||
private readonly StopBits _stopBits;
|
||||
private string _comPortName;
|
||||
private int _baudRate;
|
||||
private Parity _parity;
|
||||
private int _dataBits;
|
||||
private StopBits _stopBits;
|
||||
|
||||
private readonly string _name;
|
||||
private State _state;
|
||||
private readonly string _name;
|
||||
private State _state;
|
||||
|
||||
/// <summary>
|
||||
/// NLog logger
|
||||
/// </summary>
|
||||
private readonly ILogger _logger;
|
||||
/// <summary>
|
||||
/// Raytheon configuration
|
||||
/// </summary>
|
||||
private readonly IConfigurationManager _configurationManager;
|
||||
private readonly IConfiguration _configuration;
|
||||
private readonly ILogger _logger;
|
||||
|
||||
#endregion
|
||||
private readonly IConfigurationManager _configurationManager;
|
||||
private readonly IConfiguration _configuration;
|
||||
|
||||
public bool ClearErrors() => false;
|
||||
public bool FrontPanelEnabled { get => false; set => throw new NotImplementedException(); }
|
||||
public bool DisplayEnabled { get => false; set => throw new NotImplementedException(); }
|
||||
public string DetailedStatus => $"This is a TCP/IP Device called {_name}";
|
||||
public InstrumentMetadata Info => throw new NotImplementedException();
|
||||
public State Status => _state;
|
||||
public string Name => _name;
|
||||
public SelfTestResult PerformSelfTest() => SelfTestResult;
|
||||
public SelfTestResult SelfTestResult => SelfTestResult.Unknown;
|
||||
#endregion
|
||||
|
||||
public void Close() => Shutdown();
|
||||
public void Reset()
|
||||
{
|
||||
Close();
|
||||
Open();
|
||||
}
|
||||
public bool ClearErrors() => false;
|
||||
public bool FrontPanelEnabled { get => false; set => throw new NotImplementedException(); }
|
||||
public bool DisplayEnabled { get => false; set => throw new NotImplementedException(); }
|
||||
public string DetailedStatus => $"This is a TCP/IP Device called {_name}";
|
||||
public InstrumentMetadata Info => throw new NotImplementedException();
|
||||
public State Status => _state;
|
||||
public string Name => _name;
|
||||
public SelfTestResult PerformSelfTest() => SelfTestResult;
|
||||
public SelfTestResult SelfTestResult => SelfTestResult.Unknown;
|
||||
|
||||
#region Private Functions
|
||||
/// <summary>
|
||||
/// Dispose of the resources contained by this object
|
||||
/// </summary>
|
||||
public void Dispose()
|
||||
{
|
||||
try
|
||||
{
|
||||
lock (_syncObj)
|
||||
{
|
||||
Dispose(true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
}
|
||||
catch (Exception err)
|
||||
{
|
||||
_logger.Error(err.Message + "\r\n" + err.StackTrace);
|
||||
}
|
||||
}
|
||||
public void Close() => Shutdown();
|
||||
public void Reset()
|
||||
{
|
||||
Close();
|
||||
Open();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Dispose of the resources contained by this object
|
||||
/// </summary>
|
||||
/// <param name="disposing"></param>
|
||||
protected virtual void Dispose(bool disposing)
|
||||
{
|
||||
if (disposing)
|
||||
{
|
||||
// close the socket
|
||||
try
|
||||
{
|
||||
Shutdown();
|
||||
}
|
||||
catch (Exception err)
|
||||
{
|
||||
_logger.Error(err.Message + "\r\n" + err.StackTrace);
|
||||
}
|
||||
}
|
||||
}
|
||||
#region Public Functions
|
||||
|
||||
#endregion
|
||||
/// <summary>
|
||||
/// CommDevice factory constructor
|
||||
/// </summary>
|
||||
/// <param name="deviceName"></param>
|
||||
/// <param name="configurationManager"></param>
|
||||
public CommDeviceSerialAsync(string deviceName, IConfigurationManager configurationManager)
|
||||
{
|
||||
_name = deviceName;
|
||||
_configurationManager = configurationManager;
|
||||
_configuration = _configurationManager.GetConfiguration(deviceName);
|
||||
_logger = LogManager.GetLogger($"{this.GetType().Name} - {deviceName}");
|
||||
|
||||
#region Public Functions
|
||||
_comPortName = _configuration.GetConfigurationValue(_name, "COMPortName");
|
||||
int.TryParse(_configuration.GetConfigurationValue(_name, "BaudRate"), out _baudRate);
|
||||
Enum.TryParse(_configuration.GetConfigurationValue(_name, "Parity"), true, out _parity);
|
||||
int.TryParse(_configuration.GetConfigurationValue(_name, "DataBits"), out _dataBits);
|
||||
Enum.TryParse(_configuration.GetConfigurationValue(_name, "StopBits"), true, out _stopBits);
|
||||
|
||||
/// <summary>
|
||||
/// CommDevice factory constructor
|
||||
/// </summary>
|
||||
/// <param name="name"></param>
|
||||
/// <param name="configurationManager"></param>
|
||||
public CommDeviceSerialAsync(string name, IConfigurationManager configurationManager, ILogger logger)
|
||||
{
|
||||
_name = name;
|
||||
_configurationManager = configurationManager;
|
||||
_configuration = _configurationManager.GetConfiguration(name);
|
||||
_logger = logger;
|
||||
uint.TryParse(_configuration.GetConfigurationValue(_name, "ReadTimeout"), out _defaultReadTimeout);
|
||||
uint.TryParse(_configuration.GetConfigurationValue(_name, "SendTimeout"), out _defaultSendTimeout);
|
||||
uint.TryParse(_configuration.GetConfigurationValue(_name, "BufferSize"), out _defaultReadBufferSize);
|
||||
|
||||
_comPortName = _configuration.GetConfigurationValue("CommDeviceSerialAsync", "COMPortName", "COM15");
|
||||
_baudRate = _configuration.GetConfigurationValue("CommDeviceSerialAsync", "BaudRate", 115200);
|
||||
_parity = _configuration.GetConfigurationValue("CommDeviceSerialAsync", "Parity", Parity.None);
|
||||
_dataBits = _configuration.GetConfigurationValue("CommDeviceSerialAsync", "DataBits", 8);
|
||||
_stopBits = _configuration.GetConfigurationValue("CommDeviceSerialAsync", "StopBits", StopBits.One);
|
||||
_state = State.Uninitialized;
|
||||
}
|
||||
|
||||
_defaultReadTimeout = _configuration.GetConfigurationValue<uint>("CommDeviceSerialAsync", "ReadTimeout", 25);
|
||||
_defaultSendTimeout = _configuration.GetConfigurationValue<uint>("CommDeviceSerialAsync", "SendTimeout", 5000);
|
||||
_defaultReadBufferSize = _configuration.GetConfigurationValue<uint>("CommDeviceSerialAsync", "BufferSize", 1024);
|
||||
/// <summary>
|
||||
/// Destructor
|
||||
/// </summary>
|
||||
~CommDeviceSerialAsync()
|
||||
{
|
||||
Shutdown();
|
||||
}
|
||||
|
||||
_state = State.Uninitialized;
|
||||
}
|
||||
/// <summary>
|
||||
/// initialize instrument
|
||||
/// </summary>
|
||||
public void Initialize()
|
||||
{
|
||||
Open();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// initialize instrument
|
||||
/// </summary>
|
||||
public void Initialize()
|
||||
{
|
||||
if (_state != State.Uninitialized)
|
||||
{
|
||||
_logger.Warn("Reinitialization of existing Serial Async Connection. Attempting to call Shutdown.");
|
||||
Shutdown();
|
||||
}
|
||||
/// <summary>
|
||||
/// Opens COM serial port for communications
|
||||
/// </summary>
|
||||
public void Open()
|
||||
{
|
||||
if (_state == State.Uninitialized)
|
||||
{
|
||||
_serialPort = new SerialPort(_comPortName, _baudRate, _parity, _dataBits, _stopBits);
|
||||
_serialPort.Open();
|
||||
_state = State.Ready;
|
||||
}
|
||||
}
|
||||
|
||||
_serialPort = new SerialPort(_comPortName, _baudRate, _parity, _dataBits, _stopBits);
|
||||
/// <summary>
|
||||
/// shuts down the device
|
||||
/// </summary>
|
||||
public void Shutdown()
|
||||
{
|
||||
if (_serialPort != null)
|
||||
_serialPort.Close();
|
||||
|
||||
Open();
|
||||
}
|
||||
_state = State.Uninitialized;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Opens COM serial port for communications
|
||||
/// </summary>
|
||||
public void Open()
|
||||
{
|
||||
try
|
||||
{
|
||||
_serialPort.Open();
|
||||
_state = State.Ready;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_logger.Error(ex, ex.Message);
|
||||
throw;
|
||||
}
|
||||
}
|
||||
/// <summary>
|
||||
/// Read data from the device asynchronously.
|
||||
/// </summary>
|
||||
/// <param name="dataRead">The buffer to put the data in</param>
|
||||
/// <returns>The number of bytes read</returns>
|
||||
public async Task<uint> ReadAsync(byte[] dataRead, CancellationToken token = default)
|
||||
{
|
||||
var bytesRead = await _serialPort.BaseStream.ReadAsync(dataRead, 0, dataRead.Length, token);
|
||||
return (uint)bytesRead;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// shuts down the device
|
||||
/// </summary>
|
||||
public void Shutdown()
|
||||
{
|
||||
_logger.Debug("Shutting down");
|
||||
/// <summary>
|
||||
/// Read string from the device asynchronously.
|
||||
/// </summary>
|
||||
/// <param name="dataRead">The buffer to put the data in</param>
|
||||
/// <returns>The number of bytes read</returns>
|
||||
public async Task<string> ReadAsync(CancellationToken token = default)
|
||||
{
|
||||
var data = await ReadLineAsync(token);
|
||||
return data;
|
||||
}
|
||||
|
||||
_serialPort.Close();
|
||||
/// <summary>
|
||||
/// Sets the read timeout
|
||||
/// </summary>
|
||||
/// <param name="timeoutMs"></param>
|
||||
public void SetReadTimeout(uint timeoutMs)
|
||||
{
|
||||
if (_serialPort == null)
|
||||
return;
|
||||
|
||||
_state = State.Uninitialized;
|
||||
}
|
||||
_serialPort.ReadTimeout = (int)timeoutMs;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Read data from the device asynchronously.
|
||||
/// </summary>
|
||||
/// <param name="dataRead">The buffer to put the data in</param>
|
||||
/// <returns>The number of bytes read</returns>
|
||||
public async Task<uint> ReadAsync(byte[] dataRead, CancellationToken token = default)
|
||||
{
|
||||
var bytesRead = await _serialPort.BaseStream.ReadAsync(dataRead, 0, dataRead.Length, token);
|
||||
return (uint)bytesRead;
|
||||
}
|
||||
/// <summary>
|
||||
/// Write data to the device asynchronously
|
||||
/// </summary>
|
||||
/// <param name="dataToSend"></param>
|
||||
/// <param name="numBytesToWrite"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<uint> WriteAsync(byte[] dataToSend, uint numBytesToWrite, CancellationToken token = default)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return 0;
|
||||
|
||||
/// <summary>
|
||||
/// Read string from the device asynchronously.
|
||||
/// </summary>
|
||||
/// <param name="dataRead">The buffer to put the data in</param>
|
||||
/// <returns>The number of bytes read</returns>
|
||||
public async Task<string> ReadAsync(CancellationToken token = default)
|
||||
{
|
||||
var data = await ReadLineAsync(token);
|
||||
return data;
|
||||
}
|
||||
await _serialPort.BaseStream.WriteAsync(dataToSend, 0, (int)numBytesToWrite, token);
|
||||
return numBytesToWrite;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Sets the read timeout
|
||||
/// </summary>
|
||||
/// <param name="timeoutMs"></param>
|
||||
public void SetReadTimeout(uint timeoutMs)
|
||||
{
|
||||
if (_serialPort == null)
|
||||
return;
|
||||
/// <summary>
|
||||
/// Write string data to the device asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <returns></returns>
|
||||
public async Task WriteAsync(string message, CancellationToken token = default)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return;
|
||||
|
||||
_logger.Trace($"Setting Reader Timeout: {timeoutMs} Ms");
|
||||
_serialPort.ReadTimeout = (int)timeoutMs;
|
||||
}
|
||||
await WriteLineAsync(message, token);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Write data to the device asynchronously
|
||||
/// </summary>
|
||||
/// <param name="dataToSend"></param>
|
||||
/// <param name="numBytesToWrite"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<uint> WriteAsync(byte[] dataToSend, uint numBytesToWrite, CancellationToken token = default)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return 0;
|
||||
/// <summary>
|
||||
/// Send Command and Get Response asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <param name="timeoutInMs"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<string> SendCommandGetResponseAsync(string message, CancellationToken cancellationToken = default, int timeoutInMs = 5000)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return null;
|
||||
|
||||
_logger.Trace($"Writing message to ({_comPortName}), bytes: {dataToSend?.Length}");
|
||||
using (var cts = new CancellationTokenSource(TimeSpan.FromMilliseconds(timeoutInMs)))
|
||||
{
|
||||
if (cancellationToken == default)
|
||||
{
|
||||
cancellationToken = cts.Token;
|
||||
}
|
||||
await WriteAsync(message, cancellationToken);
|
||||
string readResponse = await ReadAsync(cancellationToken);
|
||||
return readResponse;
|
||||
}
|
||||
}
|
||||
|
||||
await _serialPort.BaseStream.WriteAsync(dataToSend, 0, (int)numBytesToWrite, token);
|
||||
return numBytesToWrite;
|
||||
}
|
||||
/// <summary>
|
||||
/// Send Command and Get Response asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <param name="timeoutInMs"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<byte[]> SendCommandGetResponseAsync(byte[] data, CancellationToken token = default, int timeoutInMs = 5000)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return null;
|
||||
|
||||
/// <summary>
|
||||
/// Write string data to the device asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <returns></returns>
|
||||
public async Task WriteAsync(string message, CancellationToken token = default)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return;
|
||||
await WriteAsync(data, (uint)data.Length, token);
|
||||
_serialPort.ReadTimeout = timeoutInMs;
|
||||
var response = new byte[data.Length];
|
||||
await ReadAsync(response, token);
|
||||
return response;
|
||||
}
|
||||
|
||||
_logger.Trace($"Writing message to ({_comPortName}), message: {message}");
|
||||
await WriteLineAsync(message, token);
|
||||
}
|
||||
/// <summary>
|
||||
/// keeps reading until canceled via token,
|
||||
/// received messages sent to dataReceived function
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <param name="dataReceived"></param>
|
||||
/// <returns></returns>
|
||||
public async Task KeepReadingAsync(CancellationToken cancellationToken, Action<string> dataReceived)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return;
|
||||
|
||||
/// <summary>
|
||||
/// Send Command and Get Response asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <param name="timeoutInMs"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<string> SendCommandGetResponseAsync(string message, CancellationToken cancellationToken = default, int timeoutInMs = 5000)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return null;
|
||||
while (!cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
var data = await ReadAsync(cancellationToken);
|
||||
dataReceived?.Invoke(data);
|
||||
}
|
||||
}
|
||||
|
||||
_logger.Trace($"Sending command waiting for response from ({_comPortName}), message: {message}");
|
||||
/// <summary>
|
||||
/// keeps reading until canceled via token,
|
||||
/// received messages sent to dataReceived function
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <param name="dataReceived"></param>
|
||||
/// <returns></returns>
|
||||
public async Task KeepReadingAsync(CancellationToken cancellationToken, Action<byte[]> dataReceived)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return;
|
||||
|
||||
using (var cts = new CancellationTokenSource(TimeSpan.FromMilliseconds(timeoutInMs)))
|
||||
{
|
||||
if (cancellationToken == default)
|
||||
{
|
||||
cancellationToken = cts.Token;
|
||||
}
|
||||
await WriteAsync(message, cancellationToken);
|
||||
string readResponse = await ReadAsync(cancellationToken);
|
||||
_logger.Trace($"Received response: {readResponse}");
|
||||
return readResponse;
|
||||
}
|
||||
}
|
||||
while (!cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
var data = new byte[_defaultReadBufferSize]; // Adjust buffer size as needed
|
||||
var bytesRead = await ReadAsync(data, cancellationToken);
|
||||
Array.Resize(ref data, (int)bytesRead);
|
||||
dataReceived?.Invoke(data);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Send Command and Get Response asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <param name="timeoutInMs"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<byte[]> SendCommandGetResponseAsync(byte[] data, CancellationToken token = default, int timeoutInMs = 5000)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return null;
|
||||
#endregion
|
||||
|
||||
_logger.Trace($"Sending command waiting for response from ({_comPortName}), message: {data}");
|
||||
#region private functions
|
||||
/// <summary>
|
||||
/// reads line async
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <returns></returns>
|
||||
private async Task<string> ReadLineAsync(CancellationToken cancellationToken = default)
|
||||
{
|
||||
try
|
||||
{
|
||||
cancellationToken.ThrowIfCancellationRequested();
|
||||
var line = await Task.Run(() => _serialPort.ReadLine(), cancellationToken);
|
||||
return line;
|
||||
}
|
||||
catch (OperationCanceledException ex)
|
||||
{
|
||||
_logger.Error(ex, ex.Message);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
await WriteAsync(data, (uint)data.Length, token);
|
||||
_serialPort.ReadTimeout = timeoutInMs;
|
||||
var response = new byte[data.Length];
|
||||
await ReadAsync(response, token);
|
||||
return response;
|
||||
}
|
||||
/// <summary>
|
||||
/// writes line async
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <returns></returns>
|
||||
private async Task WriteLineAsync(string message, CancellationToken cancellationToken = default)
|
||||
{
|
||||
try
|
||||
{
|
||||
cancellationToken.ThrowIfCancellationRequested();
|
||||
await Task.Run(() => _serialPort.WriteLine(message), cancellationToken);
|
||||
}
|
||||
catch (OperationCanceledException ex)
|
||||
{
|
||||
_logger.Error(ex, ex.Message);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// keeps reading until canceled via token,
|
||||
/// received messages sent to dataReceived function
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <param name="dataReceived"></param>
|
||||
/// <returns></returns>
|
||||
public async Task KeepReadingAsync(CancellationToken cancellationToken, Action<string> dataReceived)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return;
|
||||
|
||||
_logger.Debug($"Starting continuous reading from {_comPortName} ...");
|
||||
|
||||
while (!cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
var data = await ReadAsync(cancellationToken);
|
||||
dataReceived?.Invoke(data);
|
||||
}
|
||||
|
||||
_logger.Debug($"Finished continuous reading from {_comPortName} ...");
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// keeps reading until canceled via token,
|
||||
/// received messages sent to dataReceived function
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <param name="dataReceived"></param>
|
||||
/// <returns></returns>
|
||||
public async Task KeepReadingAsync(CancellationToken cancellationToken, Action<byte[]> dataReceived)
|
||||
{
|
||||
if (_serialPort == null || !_serialPort.IsOpen)
|
||||
return;
|
||||
|
||||
_logger.Debug($"Starting continuous reading from {_comPortName} ...");
|
||||
|
||||
while (!cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
var data = new byte[_defaultReadBufferSize]; // Adjust buffer size as needed
|
||||
var bytesRead = await ReadAsync(data, cancellationToken);
|
||||
Array.Resize(ref data, (int)bytesRead);
|
||||
dataReceived?.Invoke(data);
|
||||
}
|
||||
|
||||
_logger.Debug($"Finished continuous reading from {_comPortName} ...");
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region private functions
|
||||
/// <summary>
|
||||
/// reads line async
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <returns></returns>
|
||||
private async Task<string> ReadLineAsync(CancellationToken cancellationToken = default)
|
||||
{
|
||||
try
|
||||
{
|
||||
cancellationToken.ThrowIfCancellationRequested();
|
||||
var line = await Task.Run(() => _serialPort.ReadLine(), cancellationToken);
|
||||
return line;
|
||||
}
|
||||
catch (OperationCanceledException ex)
|
||||
{
|
||||
_logger.Error(ex, ex.Message);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// writes line async
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <returns></returns>
|
||||
private async Task WriteLineAsync(string message, CancellationToken cancellationToken = default)
|
||||
{
|
||||
try
|
||||
{
|
||||
cancellationToken.ThrowIfCancellationRequested();
|
||||
await Task.Run(() => _serialPort.WriteLine(message), cancellationToken);
|
||||
}
|
||||
catch (OperationCanceledException ex)
|
||||
{
|
||||
_logger.Error(ex, ex.Message);
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user