GenericTeProgramLibrary/Source/Program/Threads/PowerSupplyReadThread.cs

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using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using NLog;
using Raytheon.Instruments.PowerSupply;

namespace ProgramLib
{
   /// <summary>
   /// Class to spawn thread to read power supply data
   /// </summary>
   internal class PowerSupplyReadThread : BasicThread
   {
      private enum Events
      {
         GLOBAL_QUIT,
         UUT_POWER_ON,
         UUT_POWER_OFF,

         // DO NOT change the name
         // This must be the last member in the enum
         EVENT_TIMED_OUT
      }

      private ILogger _logger;

      private string _powerSupplySystemName;

      private List<string> _powerModuleNameList;

      Dictionary<string, PowerSupplyModuleInfo> _powerSupplyModuleInfoDict;

      /// <summary>
      /// Constructor
      /// </summary>
      public PowerSupplyReadThread(string powerSupplySystemName)
      {
         _logger = LogManager.GetCurrentClassLogger();

         _powerSupplySystemName = powerSupplySystemName;

      }

      ~PowerSupplyReadThread()
      {
         _logger?.Debug($"Entering {this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() ...");
      }

      /// <summary>
      /// Method that executes on the thread.
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      protected override void DoWork()
      {
         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() for {_powerSupplySystemName} is running...");

         try
         {
            Dictionary<Events, EventWaitHandle> eventDict = new Dictionary<Events, EventWaitHandle>();
            eventDict[Events.GLOBAL_QUIT] = Program.Instance()._eventManager[EventManager.Events.GLOBAL_QUIT];
            eventDict[Events.UUT_POWER_ON] = Program.Instance()._eventManager[EventManager.Events.UUT_POWER_ON];
            eventDict[Events.EVENT_TIMED_OUT] = null;

            EventGroup<Events, EventWaitHandle> eventGroup = new EventGroup<Events, EventWaitHandle>(eventDict);

            _powerModuleNameList = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.GetPowerSupplyList(_powerSupplySystemName);
            _powerSupplyModuleInfoDict = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.GetPowerSupplyModuleInfoDict(_powerSupplySystemName);

            while (true)
            {
               Events id = eventGroup.WaitAny();

               if (id == Events.UUT_POWER_ON)
               {
                  ReadPowerSupplyData();
               }
               else
                  break;
            }
         }
         catch (Exception ex)
         {
            _logger?.Error(ex.Message + "\n" + ex.StackTrace);
         }

         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() for {_powerSupplySystemName} is exiting...");

      }

      /// <summary>
      /// Read power supply data and check for faults
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      private void ReadPowerSupplyData()
      {
         int pollRateMs = 1000;
         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() for {_powerSupplySystemName} is running...");

         try
         {
            Dictionary<Events, EventWaitHandle> eventDict = new Dictionary<Events, EventWaitHandle>();
            eventDict[Events.GLOBAL_QUIT] = Program.Instance()._eventManager[EventManager.Events.GLOBAL_QUIT];
            eventDict[Events.UUT_POWER_OFF] = Program.Instance()._eventManager[EventManager.Events.UUT_POWER_OFF];
            eventDict[Events.EVENT_TIMED_OUT] = null;

            EventGroup<Events, EventWaitHandle> eventGroup = new EventGroup<Events, EventWaitHandle>(eventDict);

            while (true)
            {
               Events id = eventGroup.WaitAny(pollRateMs);

               if (id == Events.EVENT_TIMED_OUT)
               {
                  foreach (string moduleName in _powerModuleNameList)
                  {
                     PowerData data = Program.Instance().MalMeasurementLibManager.PowerSupplyMeasurementManager.ReadPowerData(moduleName);

                     BitArray statusReg = new BitArray(new int[] { data.FaultStatus });

                     bool ovpTriggeredInPowerSupply = statusReg[0];
                     bool ocpTriggeredInPowerSupply = statusReg[1];

                     if (!ovpTriggeredInPowerSupply && !ocpTriggeredInPowerSupply)
                     {
                        Program.Instance()._powerSupplySharedData.SetData(moduleName, data.Voltage, data.Current, _powerSupplyModuleInfoDict[moduleName]);
                     }
                     else
                     {
                        string errorMsg = String.Empty;

                        if (ovpTriggeredInPowerSupply)
                        {
                           errorMsg = moduleName + "'s OVP circuitry has tripped";
                        }
                        else if (ocpTriggeredInPowerSupply)
                        {
                           errorMsg = moduleName + "'s OCP circuitry has tripped";
                        }

                        HandleOutOfToleranceCondition(errorMsg);

                        break;
                     }
                  }
               }
               else
                  break;
            }
         }
         catch (Exception ex)
         {
            _logger.Error(ex.Message + "\n" + ex.StackTrace);
         }

         _logger?.Debug($"{this.GetType().Name}::{System.Reflection.MethodBase.GetCurrentMethod().Name}() for {_powerSupplySystemName} is exiting...");
      }

      /// <summary>
      /// Check for current's upper limit
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      private bool IsCurrentWithinLimits(string moduleName, double current)
      {
         bool outOfLimits = false;

         // Duc - is this function needed?
         //Raytheon.Instruments.PowerSupplies.PowerSupplyModuleInfo powerSupplyModuleInfo = _powerSupplyModuleInfoDict[moduleName];

         //if ((current < powerSupplyModuleInfo.currentLowerLimit_ || current > powerSupplyModuleInfo.currentUpperLimit_) && powerSupplyModuleInfo.isOn_)
         //{
         //   outOfLimits = true;
         //   string errorMsg = moduleName + "'s current is out of limits (" + powerSupplyModuleInfo.currentLowerLimit_.ToString("0.00") + "," + powerSupplyModuleInfo.currentUpperLimit_.ToString("0.00") + "). Current reading: " + current.ToString("0.00");
         //   HandleOutOfToleranceCondition(errorMsg);
         //}

         return outOfLimits;
      }

      /// <summary>
      /// Check for voltage's limit exceedence
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      private bool IsVoltageWithinLimits(string moduleName, double voltage)
      {
         bool outOfLimits = false;
         // Duc - is this function needed?
         //Raytheon.Instruments.PowerSupplies.PowerSupplyModuleInfo powerSupplyModuleInfo = _powerSupplyModuleInfoDict[moduleName];

         //if ((voltage < powerSupplyModuleInfo.voltageLowerLimit_ || voltage > powerSupplyModuleInfo.voltageUpperLimit_) && powerSupplyModuleInfo.isOn_)
         //{
         //   outOfLimits = true;
         //   string errorMsg = moduleName + "'s voltage is out of limits (" + powerSupplyModuleInfo.voltageLowerLimit_.ToString("0.00") + "," + powerSupplyModuleInfo.voltageUpperLimit_.ToString("0.00") + "). Voltage reading: " + voltage.ToString("0.00");
         //   HandleOutOfToleranceCondition(errorMsg);
         //}

         return outOfLimits;
      }

      /// <summary>
      /// Handle power fault conditions
      /// </summary>
      /// <param name=""></param>
      /// <returns></returns>
      private void HandleOutOfToleranceCondition(string errorMsg)
      {
         if (!Program.Instance()._eventManager[EventManager.Events.FATAL_FAILURE].WaitOne(0))
         {
            Program.Instance().SetFatalErrorMsgFromSupportThread(errorMsg);
            Program.Instance()._eventManager[EventManager.Events.FATAL_FAILURE].Set();
         }
      }

   }
}