/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (!this.isDisposed)
{
if (disposing)
{
if (this.tcpClient != null)
{
this.tcpClient.Connected -= this.TcpClient_Connected;
this.tcpClient.Disconnected -= this.TcpClient_Disconnected;
this.tcpClient.DataAvailable -= this.TcpClient_DataAvailable;
// Poll timer is killed by now
if (this.tcpClient.IsConnected)
{
this.logger.Information(Invariant($"{Red}Disconnecting from PLC {this.Name}"));
this.tcpClient.Disconnect();
}
}
this.tcpClient?.Dispose();
this.tcpClient = null;
this.plcTxFifo = null;
}
this.isDisposed = true;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Plc" /> class.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="deviceLogger">The device logger</param>
/// <param name="configurationManager">The configuration manager.</param>
public Plc(string name, IDeviceLogger deviceLogger, IConfigurationManager configurationManager)
: base(deviceLogger)
{
this.Name = name;
this.deviceLogger = deviceLogger ?? throw new ArgumentNullException("deviceLogger", "Device Logger cannot be null");
this.logger = deviceLogger.CreateComponentLogger(className);
this.StateMessage = "PLC is not enabled";
this.State = GuiState.FAULT;
bool success = IPAddress.TryParse("0.0.0.0", out this.ipAddress);
this.isDisposed = false;
this.port = 0;
this.missedHeartbeats = 0;
this.plcDataStream = string.Empty;
this.plcDataStreamLock = new object();
this.regexHashEventSystem = new Regex("##(\\w*) (\\w*)(.*)");
this.regexfindParams = new Regex(" (([\\w]*)=((\"[a-zA-Z0-9._\\ ]*\")|(0x[0-9]*))|(\\w*))");
delay = 0;
this.configurationManager = configurationManager ?? throw new ArgumentNullException("configurationManager", "ConfigurationManager cannot be null");
this.plcSettings = configurationManager.PLCSettings;
configurationManager.PLCSettings.SettingsChanged += this.PLCSettings_SettingsChanged;
success = IPAddress.TryParse("0.0.0.0", out this.defaultIPAddress);
success = IPAddress.TryParse(this.plcSettings.IPAddress, out this.ipAddress);
this.port = this.plcSettings.Port;
this.plcTxFifo = new ConcurrentBlockingFifo <byte[]>();
this.plcInputEventData = new PlcInputEventData();
this.plcOutputEventData = new PlcOutputEventData();
this.plcSystemEventData = new PlcSystemEventData();
this.plcInputEventData.EventDataChanged += this.PlcInputEventData_EventDataChanged;
this.plcOutputEventData.EventDataChanged += this.PlcOutputEventData_EventDataChanged;
this.plcSystemEventData.EventDataChanged += this.PlcSystemEventData_EventDataChanged;
this.plcSystemEventData.HeartbeatEvent += this.PlcSystemEventData_HeartbeatEvent;
}
