Major upgrade
This commit is contained in:
Duc
@@ -15,375 +15,370 @@ GOVERNMENT.
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UNPUBLISHED WORK - COPYRIGHT RAYTHEON COMPANY.
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-------------------------------------------------------------------------*/
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using NLog;
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using Raytheon.Common;
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using System;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using NLog;
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using Raytheon.Common;
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namespace Raytheon.Instruments
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{
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/// <summary>
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/// Class for controlling a TCP client communication device
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/// </summary>
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public class CommDeviceTcpClient : ICommDevice, IDisposable
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{
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#region PrivateClassMembers
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private const uint _DEFAULT_READ_TIMEOUT = 25;
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private const uint _DEFAULT_SEND_TIMEOUT = 5000;
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private const uint _DEFAULT_READ_BUFFER_SIZE = 1024;
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private static object _syncObj = new object();
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private TcpClient _tcpClient;
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private NetworkStream _tcpIpStream;
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private readonly int _remotePort;
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private readonly string _remoteAddress;
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private readonly string _name;
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private State _state;
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/// <summary>
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/// Class for controlling a TCP client communication device
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/// </summary>
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public class CommDeviceTcpClient : ICommDevice, IDisposable
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{
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#region PrivateClassMembers
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private const uint _DEFAULT_READ_TIMEOUT = 25;
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private const uint _DEFAULT_SEND_TIMEOUT = 5000;
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private const uint _DEFAULT_READ_BUFFER_SIZE = 1024;
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private static object _syncObj = new object();
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private TcpClient _tcpClient;
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private NetworkStream _tcpIpStream;
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private readonly int _remotePort;
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private readonly string _remoteAddress;
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private readonly string _name;
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private State _state;
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/// <summary>
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/// NLog logger
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/// </summary>
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private readonly ILogger _logger;
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/// <summary>
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/// Raytheon configuration
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/// </summary>
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private readonly IConfigurationManager _configurationManager;
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private readonly IConfiguration _configuration;
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private readonly ILogger _logger;
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#endregion
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private readonly IConfigurationManager _configurationManager;
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private readonly IConfiguration _configuration;
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public bool ClearErrors() => false;
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public bool FrontPanelEnabled { get => false; set => throw new NotImplementedException(); }
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public bool DisplayEnabled { get => false; set => throw new NotImplementedException(); }
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public string DetailedStatus => $"This is a TCP/IP Device called {_name}";
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public InstrumentMetadata Info => throw new NotImplementedException();
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public State Status => _state;
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public string Name => _name;
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public SelfTestResult PerformSelfTest() => SelfTestResult;
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public SelfTestResult SelfTestResult => SelfTestResult.Unknown;
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public void Open() => Initialize();
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public void Close() => Shutdown();
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public void Reset()
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{
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Close();
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Open();
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}
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#endregion
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#region Private Functions
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/// <summary>
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/// Dispose of the resources contained by this object
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/// </summary>
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public void Dispose()
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{
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try
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{
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lock (_syncObj)
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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}
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catch (Exception err)
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{
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_logger.Error(err.Message + "\r\n" + err.StackTrace);
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}
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}
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public bool ClearErrors() => false;
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public bool FrontPanelEnabled { get => false; set => throw new NotImplementedException(); }
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public bool DisplayEnabled { get => false; set => throw new NotImplementedException(); }
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public string DetailedStatus => $"This is a TCP/IP Device called {_name}";
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public InstrumentMetadata Info => throw new NotImplementedException();
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public State Status => _state;
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public string Name => _name;
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public SelfTestResult PerformSelfTest() => SelfTestResult;
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public SelfTestResult SelfTestResult => SelfTestResult.Unknown;
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public void Open() => Initialize();
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public void Close() => Shutdown();
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public void Reset()
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{
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Close();
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Open();
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}
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/// <summary>
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/// Dispose of the resources contained by this object
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/// </summary>
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/// <param name="disposing"></param>
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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// close the socket
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try
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{
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Shutdown();
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}
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catch (Exception err)
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{
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_logger.Error(err.Message + "\r\n" + err.StackTrace);
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}
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}
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}
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#region Private Functions
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/// <summary>
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/// Dispose of the resources contained by this object
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/// </summary>
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public void Dispose()
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{
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try
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{
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lock (_syncObj)
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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}
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catch (Exception err)
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{
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_logger.Error(err.Message + "\r\n" + err.StackTrace);
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}
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}
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#endregion
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/// <summary>
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/// Dispose of the resources contained by this object
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/// </summary>
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/// <param name="disposing"></param>
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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// close the socket
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try
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{
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Shutdown();
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}
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catch (Exception err)
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{
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_logger.Error(err.Message + "\r\n" + err.StackTrace);
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}
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}
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}
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#region Public Functions
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#endregion
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/// <summary>
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/// CommDevice factory constructor
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/// </summary>
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/// <param name="name"></param>
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/// <param name="configurationManager"></param>
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public CommDeviceTcpClient(string name, IConfigurationManager configurationManager, ILogger logger, string remoteAddress = "", int remotePort = 0)
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{
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_name = name;
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#region Public Functions
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// _tcpClient is created in Initialize()
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_tcpClient = null;
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_tcpIpStream = null;
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/// <summary>
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/// CommDevice factory constructor
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/// </summary>
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/// <param name="deviceName"></param>
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/// <param name="configurationManager"></param>
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public CommDeviceTcpClient(string deviceName, IConfigurationManager configurationManager, string remoteAddress = "", int remotePort = 0)
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{
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_name = deviceName;
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_state = State.Uninitialized;
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// _tcpClient is created in Initialize()
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_tcpClient = null;
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_tcpIpStream = null;
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_logger = logger;
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_state = State.Uninitialized;
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_configurationManager = configurationManager;
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_configuration = _configurationManager.GetConfiguration(Name);
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_logger = LogManager.GetLogger($"{this.GetType().Name} - {deviceName}");
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if(string.IsNullOrEmpty(remoteAddress))
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{
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_remoteAddress = _configuration.GetConfigurationValue("TcpClient", "RemoteAddress", "127.0.0.1");
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}
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else
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{
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_remoteAddress = remoteAddress;
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}
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if(remotePort == 0)
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{
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_remotePort = _configuration.GetConfigurationValue("TcpClient", "RemotePort", 0);
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}
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else
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{
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_remotePort = remotePort;
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}
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}
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_configurationManager = configurationManager;
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_configuration = _configurationManager.GetConfiguration(Name);
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/// <summary>
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/// legacy constructor
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/// </summary>
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/// <param name="name">The name of this device</param>
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/// <param name="remoteAddress">The address of the server</param>
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/// <param name="remotePort">The port that the server is listening on</param>
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public CommDeviceTcpClient(string name, string remoteAddress, int remotePort)
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{
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_name = name;
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_remotePort = remotePort;
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_remoteAddress = remoteAddress;
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if (string.IsNullOrEmpty(remoteAddress))
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{
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_remoteAddress = _configuration.GetConfigurationValue("TcpClient", "RemoteAddress", "127.0.0.1");
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}
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else
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{
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_remoteAddress = remoteAddress;
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}
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// _tcpClient is created in Initialize()
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_tcpClient = null;
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_tcpIpStream = null;
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if (remotePort == 0)
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{
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_remotePort = _configuration.GetConfigurationValue("TcpClient", "RemotePort", 0);
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}
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else
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{
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_remotePort = remotePort;
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}
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}
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_logger = LogManager.GetCurrentClassLogger();
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/// <summary>
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/// legacy constructor
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/// </summary>
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/// <param name="deviceName">The name of this device</param>
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/// <param name="remoteAddress">The address of the server</param>
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/// <param name="remotePort">The port that the server is listening on</param>
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public CommDeviceTcpClient(string deviceName, string remoteAddress, int remotePort)
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{
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_name = deviceName;
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_remotePort = remotePort;
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_remoteAddress = remoteAddress;
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_state = State.Uninitialized;
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}
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// _tcpClient is created in Initialize()
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_tcpClient = null;
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_tcpIpStream = null;
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/// <summary>
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/// initialize instrument
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/// </summary>
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public void Initialize()
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{
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lock (_syncObj)
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{
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if (_state == State.Uninitialized)
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{
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_tcpClient = new TcpClient(_remoteAddress, _remotePort);
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_logger = LogManager.GetLogger($"{this.GetType().Name} - {deviceName}");
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// set timeouts
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_tcpClient.Client.SendTimeout = (int)_DEFAULT_SEND_TIMEOUT;
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_tcpClient.Client.ReceiveTimeout = (int)_DEFAULT_READ_TIMEOUT;
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_state = State.Uninitialized;
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}
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// get the stream
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_tcpIpStream = _tcpClient.GetStream();
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/// <summary>
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/// initialize instrument
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/// </summary>
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public void Initialize()
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{
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lock (_syncObj)
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{
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if (_state == State.Uninitialized)
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{
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_tcpClient = new TcpClient(_remoteAddress, _remotePort);
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_state = State.Ready;
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}
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else
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{
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throw new Exception($"expected the state to be Uninitialized, state was: {_state} on device {_name}");
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}
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}
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}
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// set timeouts
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_tcpClient.Client.SendTimeout = (int)_DEFAULT_SEND_TIMEOUT;
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_tcpClient.Client.ReceiveTimeout = (int)_DEFAULT_READ_TIMEOUT;
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/// <summary>
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/// shuts down the device
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/// </summary>
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public void Shutdown()
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{
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lock (_syncObj)
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{
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if (_state == State.Ready)
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{
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_tcpIpStream.Dispose();
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_tcpClient.Dispose();
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_state = State.Uninitialized;
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}
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}
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}
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// get the stream
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_tcpIpStream = _tcpClient.GetStream();
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/// <summary>
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/// Read data from the device.
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/// </summary>
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/// <param name="dataRead">The buffer to put the data in</param>
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/// <returns>The number of bytes read</returns>
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public uint Read(ref byte[] dataRead)
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{
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lock (_syncObj)
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{
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if (_tcpIpStream.DataAvailable == true)
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{
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_state = State.Busy;
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uint numBytesRead = (uint)(_tcpIpStream.Read(dataRead, 0, dataRead.Length));
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_state = State.Ready;
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return numBytesRead;
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}
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else
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{
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return 0;
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}
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}
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}
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_state = State.Ready;
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}
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else
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{
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throw new Exception($"expected the state to be Uninitialized, state was: {_state} on device {_name}");
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}
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}
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}
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/// <summary>
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/// Read data from the device asynchronously.
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/// </summary>
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/// <param name="dataRead">The buffer to put the data in</param>
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/// <returns>The number of bytes read</returns>
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public async Task<uint> ReadAsync(byte[] dataRead)
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{
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if (_tcpIpStream.DataAvailable == true)
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{
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_state = State.Busy;
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var bytesRead = await _tcpIpStream.ReadAsync(dataRead, 0, dataRead.Length);
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_state = State.Ready;
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return (uint)bytesRead;
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}
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else
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{
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return 0;
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}
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}
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/// <summary>
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/// shuts down the device
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/// </summary>
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public void Shutdown()
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{
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lock (_syncObj)
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{
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if (_state == State.Ready)
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{
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_tcpIpStream.Dispose();
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_tcpClient.Dispose();
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_state = State.Uninitialized;
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}
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}
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}
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/// <summary>
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/// Read string from the device asynchronously.
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/// </summary>
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/// <param name="dataRead">The buffer to put the data in</param>
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/// <returns>The number of bytes read</returns>
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public async Task<string> ReadAsync(CancellationToken token = default)
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{
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if (_tcpIpStream.DataAvailable == true)
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{
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_state = State.Busy;
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var buffer = new byte[_DEFAULT_READ_BUFFER_SIZE];
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var bytesRead = await _tcpIpStream.ReadAsync(buffer, 0, buffer.Length, token);
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_state = State.Ready;
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return Encoding.UTF8.GetString(buffer, 0, bytesRead);
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// Read data from the device.
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/// </summary>
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/// <param name="dataRead">The buffer to put the data in</param>
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/// <returns>The number of bytes read</returns>
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public uint Read(ref byte[] dataRead)
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{
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lock (_syncObj)
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{
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if (_tcpIpStream.DataAvailable == true)
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{
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_state = State.Busy;
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uint numBytesRead = (uint)(_tcpIpStream.Read(dataRead, 0, dataRead.Length));
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_state = State.Ready;
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return numBytesRead;
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}
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else
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{
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return 0;
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||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <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>
|
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public async Task<uint> ReadAsync(byte[] dataRead)
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||||
{
|
||||
if (_tcpIpStream.DataAvailable == true)
|
||||
{
|
||||
_state = State.Busy;
|
||||
var bytesRead = await _tcpIpStream.ReadAsync(dataRead, 0, dataRead.Length);
|
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_state = State.Ready;
|
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return (uint)bytesRead;
|
||||
}
|
||||
else
|
||||
{
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||||
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)
|
||||
{
|
||||
if (_tcpIpStream.DataAvailable == true)
|
||||
{
|
||||
_state = State.Busy;
|
||||
var buffer = new byte[_DEFAULT_READ_BUFFER_SIZE];
|
||||
var bytesRead = await _tcpIpStream.ReadAsync(buffer, 0, buffer.Length, token);
|
||||
_state = State.Ready;
|
||||
return Encoding.UTF8.GetString(buffer, 0, bytesRead);
|
||||
}
|
||||
else
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// Sets the read timeout
|
||||
/// </summary>
|
||||
/// <param name="timeoutMs"></param>
|
||||
public void SetReadTimeout(uint timeoutMs)
|
||||
{
|
||||
_tcpClient.Client.ReceiveTimeout = (int)timeoutMs;
|
||||
}
|
||||
/// <summary>
|
||||
/// Sets the read timeout
|
||||
/// </summary>
|
||||
/// <param name="timeoutMs"></param>
|
||||
public void SetReadTimeout(uint timeoutMs)
|
||||
{
|
||||
_tcpClient.Client.ReceiveTimeout = (int)timeoutMs;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Write data to the device
|
||||
/// </summary>
|
||||
/// <param name="dataToSend">The data to write</param>
|
||||
/// <param name="numBytesToWrite">The number of bytes to write</param>
|
||||
/// <returns>The number of bytes that were written</returns>
|
||||
public uint Write(byte[] dataToSend, uint numBytesToWrite)
|
||||
{
|
||||
lock (_syncObj)
|
||||
{
|
||||
_state = State.Busy;
|
||||
_tcpIpStream.Write(dataToSend, 0, (int)numBytesToWrite);
|
||||
_state = State.Ready;
|
||||
return numBytesToWrite;
|
||||
}
|
||||
}
|
||||
/// <summary>
|
||||
/// Write data to the device
|
||||
/// </summary>
|
||||
/// <param name="dataToSend">The data to write</param>
|
||||
/// <param name="numBytesToWrite">The number of bytes to write</param>
|
||||
/// <returns>The number of bytes that were written</returns>
|
||||
public uint Write(byte[] dataToSend, uint numBytesToWrite)
|
||||
{
|
||||
lock (_syncObj)
|
||||
{
|
||||
_state = State.Busy;
|
||||
_tcpIpStream.Write(dataToSend, 0, (int)numBytesToWrite);
|
||||
_state = State.Ready;
|
||||
return numBytesToWrite;
|
||||
}
|
||||
}
|
||||
|
||||
/// <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)
|
||||
{
|
||||
_state = State.Busy;
|
||||
await _tcpIpStream.WriteAsync(dataToSend, 0, (int)numBytesToWrite);
|
||||
_state = State.Ready;
|
||||
return numBytesToWrite;
|
||||
}
|
||||
/// <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)
|
||||
{
|
||||
_state = State.Busy;
|
||||
await _tcpIpStream.WriteAsync(dataToSend, 0, (int)numBytesToWrite);
|
||||
_state = State.Ready;
|
||||
return numBytesToWrite;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Write string data to the device asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <returns></returns>
|
||||
public async Task WriteAsync(string message)
|
||||
{
|
||||
_state = State.Busy;
|
||||
var buffer = Encoding.UTF8.GetBytes(message);
|
||||
await _tcpIpStream.WriteAsync(buffer, 0, buffer.Length);
|
||||
_state = State.Ready;
|
||||
}
|
||||
/// <summary>
|
||||
/// Write string data to the device asynchronously
|
||||
/// </summary>
|
||||
/// <param name="message"></param>
|
||||
/// <returns></returns>
|
||||
public async Task WriteAsync(string message)
|
||||
{
|
||||
_state = State.Busy;
|
||||
var buffer = Encoding.UTF8.GetBytes(message);
|
||||
await _tcpIpStream.WriteAsync(buffer, 0, buffer.Length);
|
||||
_state = State.Ready;
|
||||
}
|
||||
|
||||
/// <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, int timeoutInMs = 5000)
|
||||
{
|
||||
_logger.Info($"Sending command waiting for response ({_remoteAddress}:{_remotePort}), message: {message}");
|
||||
/// <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, int timeoutInMs = 5000)
|
||||
{
|
||||
_logger.Info($"Sending command waiting for response ({_remoteAddress}:{_remotePort}), message: {message}");
|
||||
|
||||
await WriteAsync(message);
|
||||
await WriteAsync(message);
|
||||
|
||||
CancellationTokenSource tokenSource = new CancellationTokenSource(new TimeSpan(0, 0, 0, 0, milliseconds:timeoutInMs));
|
||||
CancellationTokenSource tokenSource = new CancellationTokenSource(new TimeSpan(0, 0, 0, 0, milliseconds: timeoutInMs));
|
||||
|
||||
string readResponse = await ReadAsync(tokenSource.Token);
|
||||
string readResponse = await ReadAsync(tokenSource.Token);
|
||||
|
||||
_logger.Info($"Received response: {readResponse}");
|
||||
_logger.Info($"Received response: {readResponse}");
|
||||
|
||||
return readResponse;
|
||||
}
|
||||
return readResponse;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// keeps reading until canceled via token,
|
||||
/// received messages sent to dataReceived function
|
||||
/// </summary>
|
||||
/// <param name="cancellationToken"></param>
|
||||
/// <param name="dataReceived"></param>
|
||||
/// <returns></returns>
|
||||
public async Task KeepReadingAsync(CancellationToken cancellationToken, Action<string> dataReceived)
|
||||
{
|
||||
_logger.Info($"About to start continuous reading from {_remoteAddress}:{_remotePort} ...");
|
||||
/// <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)
|
||||
{
|
||||
_logger.Info($"About to start continuous reading from {_remoteAddress}:{_remotePort} ...");
|
||||
|
||||
byte[] buffer = new byte[_DEFAULT_READ_BUFFER_SIZE];
|
||||
while (!cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
int bytesRead = await _tcpIpStream.ReadAsync(buffer, 0, buffer.Length, cancellationToken);
|
||||
if (bytesRead > 0)
|
||||
{
|
||||
string data = Encoding.UTF8.GetString(buffer, 0, bytesRead);
|
||||
byte[] buffer = new byte[_DEFAULT_READ_BUFFER_SIZE];
|
||||
while (!cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
int bytesRead = await _tcpIpStream.ReadAsync(buffer, 0, buffer.Length, cancellationToken);
|
||||
if (bytesRead > 0)
|
||||
{
|
||||
string data = Encoding.UTF8.GetString(buffer, 0, bytesRead);
|
||||
|
||||
_logger.Info($"Message received from {_remoteAddress}:{_remotePort}: {data}");
|
||||
_logger.Info($"Message received from {_remoteAddress}:{_remotePort}: {data}");
|
||||
|
||||
dataReceived(data);
|
||||
Array.Clear(buffer, 0, bytesRead);
|
||||
}
|
||||
}
|
||||
}
|
||||
dataReceived(data);
|
||||
Array.Clear(buffer, 0, bytesRead);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user