475 lines
19 KiB
C#
475 lines
19 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using System.Threading.Tasks;
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using Aitex.Core.RT.DataCenter;
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using Aitex.Core.RT.DBCore;
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using Aitex.Core.RT.Log;
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using Aitex.Core.RT.SCCore;
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using Aitex.Core.Util;
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using MECF.Framework.Common.Equipment;
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using ThreadState = System.Threading.ThreadState;
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namespace Aitex.Core.RT.DataCollection.HighPerformance
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{
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public class DataRecorderManager : Singleton<DataRecorderManager>
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{
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#region Variables
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private readonly object _syncRoot = new();
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private readonly int _dataRecorderInterval;
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private readonly int _dataRecorderCacheSize;
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private readonly int _dataRecorderCachePeriodMs;
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private string[] _dataTableCategory = { ModuleName.System.ToString() };
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private readonly Dictionary<string, Func<object>> _dataGetters = new();
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private readonly R_TRIG _rTrigPersistThreadError = new();
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private readonly CancellationTokenSource _ctsDataRecorderThread;
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private readonly CancellationToken _ctDataRecorderThread;
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private Dictionary<string, DataRecorderCache> _dictDataRecCachePerDataTable;
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private DateTime _datePrefixTableName;
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private readonly Thread _threadCache;
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private readonly Thread _threadPersist;
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#endregion
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#region Constructors
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public DataRecorderManager()
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{
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_dataRecorderInterval = (SC.ContainsItem("System.DataRecorderInterval")
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? SC.GetValue<int>("System.DataCollectionInterval")
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: 1000);
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_dataRecorderCacheSize = (SC.ContainsItem("System.DataRecorderCacheSize")
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? SC.GetValue<int>("System.DataRecorderCacheSize")
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: DataRecorderCache.MIN_CACHE_SIZE);
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_dataRecorderCachePeriodMs = (SC.ContainsItem("System.DataRecorderCachePeriod")
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? SC.GetValue<int>("System.DataRecorderCachePeriod")
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: DataRecorderCache.MIN_CACHE_PERIOD_MS);
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_ctsDataRecorderThread = new();
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_ctDataRecorderThread = _ctsDataRecorderThread.Token;
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_threadCache = new Thread(CacheThread);
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_threadCache.Name = nameof(CacheThread);
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_threadPersist = new Thread(PersistThread);
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_threadPersist.Name = nameof(PersistThread);
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}
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#endregion
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#region Methods
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/// <summary>
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/// 初始化<see cref="DataRecorderManager"/>对象。
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/// </summary>
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/// <param name="dataTableCategory"></param>
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public void Initialize(string[] dataTableCategory)
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{
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCPersistCostMs", () => _statPersistCostMs);
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCPersistInvMs", () => _statPersistInvMs);
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCPersistCounter", () => _statPersistCnt);
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCPersistErrorCounter", () => _statPersistErrorCnt);
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCCacheCostMs", () => _statCacheCostMs);
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCCacheInvMs", () => _statCacheInvMs);
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DATA.Subscribe($"{ModuleHelper.GetDiagnosisPath(ModuleName.System)}.DCCacheCounter", () => _statCacheCnt);
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_dataTableCategory = dataTableCategory;
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_threadCache.Start();
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}
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/// <summary>
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/// 立即缓存所有模组的数据。
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/// </summary>
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public void ImmediateCache(CacheDiagnosisInfo diagnosisInfo = null)
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{
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if (diagnosisInfo != null)
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Debug.WriteLine($"{diagnosisInfo.Module}.{diagnosisInfo.IoName} changed to {diagnosisInfo.Value}",
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$"{nameof(DataRecorderManager)} - {nameof(ImmediateCache)}");
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DoCache();
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}
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private readonly DeviceTimer _tmrPersistDelay = new();
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private int _statPersistCostMs;
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private int _statPersistInvMs;
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private int _statPersistCnt;
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private int _statPersistErrorCnt;
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private void PersistThread()
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{
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var swPersisCostMsStat = new Stopwatch();
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var swPersisInvMsStat = new Stopwatch();
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try
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{
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while (true)
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{
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_ctDataRecorderThread.ThrowIfCancellationRequested();
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Thread.Sleep(10);
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if(!_tmrPersistDelay.IsIdle() && !_tmrPersistDelay.IsTimeout())
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continue;
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// next persist will be called 5sec later
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_tmrPersistDelay.Start(5000);
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// statistic persist called interval in ms.
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swPersisInvMsStat.Stop();
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_statPersistInvMs = (int)swPersisInvMsStat.Elapsed.TotalMilliseconds;
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// persist data every 5sec
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swPersisCostMsStat.Restart();
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var ret = Persist();
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swPersisCostMsStat.Stop();
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_statPersistCostMs = (int)swPersisCostMsStat.Elapsed.TotalMilliseconds;
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// check whether the DB write operation is succeeded
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_rTrigPersistThreadError.CLK = ret < 0;
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if (_rTrigPersistThreadError.Q) // 插入数据错误，退出
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{
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// DB Write Error
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LOG.Error(
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$"{nameof(DataRecorderManager)}.{nameof(PersistThread)} Unable to persist the cache.");
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_statPersistErrorCnt++;
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}
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else
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{
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// DB Write OK
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_statPersistCnt++;
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}
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// start to calculate the interval of persist operation
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swPersisInvMsStat.Restart();
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}
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}
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catch (OperationCanceledException)
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{
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LOG.Info($"{nameof(DataRecorderManager)}.{nameof(PersistThread)} terminated.");
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}
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catch (Exception ex)
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{
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LOG.Write(ex, $"{nameof(DataRecorderManager)}.{nameof(PersistThread)}线程意外终止，{ex.Message}");
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}
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}
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private readonly DeviceTimer _tmrCacheThreadDelay = new();
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private int _statCacheCostMs;
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private int _statCacheInvMs;
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private int _statCacheCnt;
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private void CacheThread()
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{
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try
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{
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var swCacheCostMsStat = new Stopwatch();
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var swCacheInvMsStat = new Stopwatch();
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while (true)
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{
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Thread.Sleep(_dataRecorderInterval);
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_ctDataRecorderThread.ThrowIfCancellationRequested();
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CreateCache();
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_ctDataRecorderThread.ThrowIfCancellationRequested();
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// start persist thread once the cache instances are built.
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// note the persist thread must be started before CreateCache() method.
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if (_threadPersist.ThreadState == ThreadState.Unstarted)
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_threadPersist.Start();
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// 开始周期性数据采集
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while (true)
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{
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_ctDataRecorderThread.ThrowIfCancellationRequested();
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Thread.Sleep(10);
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if(!_tmrCacheThreadDelay.IsIdle() && !_tmrCacheThreadDelay.IsTimeout())
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continue;
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_tmrCacheThreadDelay.Start(_dataRecorderInterval);
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// statistic persist called interval in ms.
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swCacheInvMsStat.Stop();
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_statCacheInvMs = (int)swCacheInvMsStat.Elapsed.TotalMilliseconds;
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// 跨天，退出循环并创建新表
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if (DateTime.Now.Date != _datePrefixTableName)
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break;
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// 立即缓存一次数据
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swCacheCostMsStat.Restart();
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DoCache();
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swCacheCostMsStat.Stop();
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_statCacheCostMs = (int)swCacheCostMsStat.Elapsed.TotalMilliseconds;
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swCacheInvMsStat.Restart();
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_statCacheCnt++;
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}
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}
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}
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catch (OperationCanceledException)
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{
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LOG.Info($"{nameof(DataRecorderManager)}.{nameof(CacheThread)} terminated.");
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}
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catch (Exception ex)
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{
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LOG.Write(ex, $"{nameof(DataRecorderManager)}.{nameof(CacheThread)}线程意外终止，{ex.Message}");
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}
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}
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/// <summary>
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/// 扫描<see cref="DataManager"/>，获取所有可记录的数据。
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/// </summary>
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/// <remarks>
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/// 仅数据管理器中注册的数据，且类型为<see cref="bool"/>、<see cref="double"/>、<see cref="float"/>、<see cref="int"/>、<see cref="ushort"/>、<see cref="short"/>的数据支持保存到数据库。
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/// </remarks>>
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private void GetRecordableDataSource()
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{
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var dBRecorderList = DATA.GetDBRecorderList();
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foreach (var item in dBRecorderList)
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{
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if (_dataGetters.ContainsKey(item.Key))
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continue;
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var getter = item.Value;
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var value = getter.Invoke();
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if (value != null)
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{
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var type = value.GetType();
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if(DataRecorderHelper.SupportedValueTypes.Contains(type))
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_dataGetters[item.Key] = getter;
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}
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}
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}
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/// <summary>
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/// 创建数据缓存对象。
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/// </summary>
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private void CreateCache()
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{
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lock (_syncRoot)
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{
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GetRecordableDataSource();
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_dictDataRecCachePerDataTable = new();
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Dictionary<string, List<IDataHolder>> dictDataHolderPerDataTable = new();
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var defaultModuleName = (_dataTableCategory.Contains(ModuleName.System.ToString())
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? ModuleName.System.ToString()
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: (_dataTableCategory.Contains(ModuleName.System.ToString())
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? ModuleName.System.ToString()
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: _dataTableCategory[0]));
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if (_dataGetters is { Count: > 0 })
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{
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foreach (var dataName in _dataGetters.Keys)
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{
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Type valueType;
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try
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{
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// determine the type of the data.
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var getter = _dataGetters[dataName];
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var value = getter.Invoke();
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valueType = value.GetType();
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Debug.Assert(valueType != null, $"Unable to determine the type of DATA item {dataName}");
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}
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catch (Exception ex)
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{
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Debug.Assert(false, $"Unable to determine the type of DATA item {dataName}");
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LOG.Write(ex, $"Unable to determine the type of DATA item {dataName}, {ex.Message}");
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continue;
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}
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var isTableAssigned = false;
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foreach (var categoryName in _dataTableCategory)
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{
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if (dataName.StartsWith(categoryName + ".") ||
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dataName.StartsWith("IO." + categoryName + "."))
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{
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if (!dictDataHolderPerDataTable.ContainsKey(categoryName))
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dictDataHolderPerDataTable[categoryName] = [];
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dictDataHolderPerDataTable[categoryName].Add(new DataHolder<ValueType>(dictDataHolderPerDataTable[categoryName].Count,
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dataName, _dataGetters[dataName]));
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isTableAssigned = true;
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break;
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}
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}
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if (!isTableAssigned)
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{
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if (!dictDataHolderPerDataTable.ContainsKey(defaultModuleName))
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dictDataHolderPerDataTable[defaultModuleName] = [];
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dictDataHolderPerDataTable[defaultModuleName].Add(new DataHolder<ValueType>(
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dictDataHolderPerDataTable[defaultModuleName].Count,
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dataName, _dataGetters[dataName]));
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}
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}
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}
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_datePrefixTableName = DateTime.Now.Date;
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foreach (var category in dictDataHolderPerDataTable.Keys)
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{
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var holders = dictDataHolderPerDataTable[category];
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var tableName = $"{_datePrefixTableName:yyyyMMdd}.{category}";
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_dictDataRecCachePerDataTable[category] =
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new DataRecorderCache(tableName, category, holders, minCachePeriodMs: _dataRecorderCachePeriodMs,
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maxCacheSize: _dataRecorderCacheSize);
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UpdateTableSchema(tableName, holders);
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}
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}
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}
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/// <summary>
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/// 立即缓存所有模组的数据。
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/// </summary>
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/// <returns></returns>
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private void DoCache()
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{
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lock (_syncRoot)
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{
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// DO调用ForceCache方法可能发生在当前对象初始化之前，此时_dictCachePerModule为null
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if (_dictDataRecCachePerDataTable == null)
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return;
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// 立即缓存一次数据
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foreach (var drc in _dictDataRecCachePerDataTable.Values)
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drc.Cache();
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}
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}
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/// <summary>
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/// 缓存写入数据库。
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/// </summary>
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/// <returns>插入数据库的行数。-1 表示写入数据库错误。</returns>
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public int Persist()
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{
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var num = 0;
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lock (_syncRoot)
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{
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foreach (var dcc in _dictDataRecCachePerDataTable.Values)
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{
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var sql = dcc.GetInsertSql();
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if (!string.IsNullOrEmpty(sql))
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{
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try
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{
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num = DB.ExecuteNonQuery(sql);
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}
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catch (Exception ex)
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{
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LOG.Write(ex, $"{ModuleName.System.ToString()}写入数据库发生异常");
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num = -1;
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}
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}
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}
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}
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return num;
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}
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public void Terminate()
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{
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_ctsDataRecorderThread.Cancel();
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}
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private bool UpdateTableSchema(string tblName, IEnumerable<IDataHolder> holders)
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{
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var cmdText = $"select column_name from information_schema.columns where table_name = '{tblName}';";
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var reader = DB.ExecuteReader(cmdText);
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var sqlExprAddColumn = string.Empty;
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var existedColumns = new List<string>();
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while (reader.Read())
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{
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for (var i = 0; i < reader.FieldCount; i++)
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{
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existedColumns.Add(reader[i].ToString());
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}
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}
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reader.Close();
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if (existedColumns.Count > 0)
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{
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foreach (var holder in holders)
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{
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var colName = holder.Name;
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if (!existedColumns.Contains(colName))
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{
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var type = holder.ValueType;
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if (type == typeof(bool))
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{
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sqlExprAddColumn += $"ALTER TABLE \"{tblName}\" ADD COLUMN \"{colName}\" {"Boolean"};";
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}
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else if (DataRecorderHelper.SupportedValueTypes.Contains(type))
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{
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sqlExprAddColumn += $"ALTER TABLE \"{tblName}\" ADD COLUMN \"{colName}\" {"Real"};";
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}
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}
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}
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if (!string.IsNullOrEmpty(sqlExprAddColumn))
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{
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try
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{
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DB.ExecuteNonQuery(sqlExprAddColumn);
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}
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catch (Exception ex)
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{
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LOG.Write(ex);
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return false;
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}
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}
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}
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else
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{
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var sqlExprCreateTable = $"CREATE TABLE \"{tblName}\"(Time bigint NOT NULL,";
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foreach (var dataItem in holders)
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{
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var colName = dataItem.Name;
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var dataType = dataItem.Read().GetType();
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if (dataType == typeof(bool))
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{
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sqlExprCreateTable += $"\"{colName}\" Boolean,\n";
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}
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else if (DataRecorderHelper.SupportedValueTypes.Contains(dataType))
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{
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sqlExprCreateTable += $"\"{colName}\" Real,\n";
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}
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}
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sqlExprCreateTable += $"CONSTRAINT \"{tblName}_pkey\" PRIMARY KEY (Time));";
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sqlExprCreateTable += $"GRANT SELECT ON TABLE \"{tblName}\" TO postgres;";
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try
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{
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DB.ExecuteNonQuery(sqlExprCreateTable.ToString());
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}
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catch (Exception ex2)
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{
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LOG.Write(ex2, "创建数据库表格失败");
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return false;
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}
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}
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return true;
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}
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#endregion
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}
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}
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