372 lines
13 KiB
C#
372 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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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.Event;
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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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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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/// <summary>
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/// 当前记录器支持的数据类型。
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/// </summary>
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private readonly Type[] _supportedDataTypes =
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{ typeof(bool), typeof(double), typeof(float), typeof(int), typeof(ushort), typeof(short) };
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private IDataBase _db;
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private readonly object _lock = 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[] _modules = { "Data" };
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private readonly Dictionary<string, Func<object>> _subscribedRecordedDataGetter = new();
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private Dictionary<string, DataRecorderCache> _dictCachePerModule;
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private DateTime _dateOfTableName;
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private IDataRecorderCallback _callback;
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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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}
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#endregion
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#region Methods
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public void Initialize(IDataRecorderCallback callback)
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{
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IDataRecorderCallback callback2;
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if (callback != null)
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{
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callback2 = callback;
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}
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else
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{
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IDataRecorderCallback dataCollectionCallback = new DefaultDataRecorderCallback();
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callback2 = dataCollectionCallback;
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}
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_callback = callback2;
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Task.Factory.StartNew(DataRecorderThread);
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}
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public void Initialize(string[] modules, string dbName)
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{
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_callback = new DefaultDataRecorderCallback(dbName);
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if (modules != null && modules.Length != 0 && !string.IsNullOrEmpty(modules[0]))
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{
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_modules = modules;
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}
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Task.Factory.StartNew(DataRecorderThread);
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}
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public void Initialize(string dbName)
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{
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_callback = new DefaultDataRecorderCallback(dbName);
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Task.Factory.StartNew(DataRecorderThread);
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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()
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{
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DoCache();
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}
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private void DataRecorderThread()
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{
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while (true)
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{
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Thread.Sleep(_dataRecorderInterval);
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try
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{
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CreateCache();
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// 开始周期性数据采集
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var lastFlushTime = DateTime.Now;
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while (true)
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{
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Thread.Sleep((int)(_dataRecorderInterval * 0.99));
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// 跨天，退出循环并创建新表
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if (DateTime.Now.Date != _dateOfTableName)
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break;
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// 立即缓存一次数据
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DoCache();
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// 每隔5秒钟将缓存写入数据库
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if (lastFlushTime.AddSeconds(5) < DateTime.Now)
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{
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var ret = Persist();
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lastFlushTime = DateTime.Now;
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if (ret < 0) // 插入数据错误，退出
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break;
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}
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}
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}
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catch (Exception ex)
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{
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LOG.Write(ex, "数据库操作记录发生异常");
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}
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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 (_subscribedRecordedDataGetter.ContainsKey(item.Key))
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{
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continue;
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}
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var obj = item.Value();
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if (obj != null)
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{
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var type = obj.GetType();
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if (type == typeof(bool) || type == typeof(double) || type == typeof(float) ||
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type == typeof(int) || type == typeof(ushort) || type == typeof(short))
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{
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_subscribedRecordedDataGetter[item.Key] = item.Value;
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}
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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 (_lock)
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{
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GetRecordableDataSource();
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_dictCachePerModule = new();
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Dictionary<string, List<DataHolder>> dictModules = new();
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var defaultModuleName = (_modules.Contains(ModuleName.System.ToString())
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? ModuleName.System.ToString()
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: (_modules.Contains("Data") ? "Data" : _modules[0]));
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if (_subscribedRecordedDataGetter is { Count: > 0 })
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{
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foreach (var dataName in _subscribedRecordedDataGetter.Keys)
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{
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var isAvailableModuleName = false;
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foreach (var module in _modules)
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{
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if (dataName.StartsWith(module + ".") ||
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dataName.StartsWith("IO." + module + "."))
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{
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if (!dictModules.ContainsKey(module))
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dictModules[module] = new List<DataHolder>();
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dictModules[module].Add(new DataHolder(dictModules[module].Count,
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dataName, _subscribedRecordedDataGetter[dataName]));
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isAvailableModuleName = true;
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break;
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}
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}
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if (!isAvailableModuleName)
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{
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if (!dictModules.ContainsKey(defaultModuleName))
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dictModules[defaultModuleName] = new List<DataHolder>();
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dictModules[defaultModuleName].Add(new DataHolder(
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dictModules[defaultModuleName].Count,
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dataName, _subscribedRecordedDataGetter[dataName]));
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}
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}
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}
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_dateOfTableName = DateTime.Now.Date;
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foreach (var module in dictModules.Keys)
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{
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var dhs = dictModules[module];
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var tableName = $"{_dateOfTableName:yyyyMMdd}.{module}";
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_dictCachePerModule[module] =
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new DataRecorderCache(tableName, module, dhs, minCachePeriodMs: _dataRecorderCachePeriodMs,
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maxCacheSize: _dataRecorderCacheSize);
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UpdateTableSchema(tableName, dhs);
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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 (_lock)
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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 (_dictCachePerModule == 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 _dictCachePerModule.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 (_lock)
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{
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foreach (var dcc in _dictCachePerModule.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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private bool UpdateTableSchema(string tblName, IEnumerable<DataHolder> dataCollectors)
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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 dataItem in dataCollectors)
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{
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var colName = dataItem.Name;
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if (!existedColumns.Contains(colName))
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{
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var type = dataItem.Read().GetType();
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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 (_supportedDataTypes.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 dataCollectors)
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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 (_supportedDataTypes.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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}
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#endregion
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}
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