mirror of
https://gitee.com/ThingsGateway/ThingsGateway.git
synced 2025-10-31 15:43:59 +08:00
684 lines
23 KiB
C#
684 lines
23 KiB
C#
#region copyright
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//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://diego2098.gitee.io/thingsgateway-docs/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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#endregion
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using Furion.Logging.Extensions;
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using Mapster;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using System.Collections.Concurrent;
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using System.ComponentModel.DataAnnotations;
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using System.Reflection;
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using ThingsGateway.Admin.Application;
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using ThingsGateway.Application.Extensions;
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using ThingsGateway.Foundation;
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using ThingsGateway.Foundation.Extension.ConcurrentQueue;
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using ThingsGateway.Foundation.Extension.Generic;
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using TouchSocket.Core;
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using UAParser;
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using Yitter.IdGenerator;
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namespace ThingsGateway.Application;
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/// <summary>
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/// 设备采集报警后台服务
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/// </summary>
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public class AlarmWorker : BackgroundService
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{
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private readonly GlobalDeviceData _globalDeviceData;
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private readonly ILogger<AlarmWorker> _logger;
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/// <inheritdoc cref="AlarmWorker"/>
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public AlarmWorker(ILogger<AlarmWorker> logger)
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{
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_logger = logger;
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_globalDeviceData = ServiceHelper.Services.GetService<GlobalDeviceData>();
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}
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/// <summary>
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/// 报警变化事件
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/// </summary>
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public event VariableChangeEventHandler OnAlarmChanged;
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/// <summary>
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/// 设备状态变化事件
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/// </summary>
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public event DelegateOnDeviceChanged OnDeviceStatusChanged;
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/// <summary>
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/// 实时报警列表
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/// </summary>
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public ConcurrentList<DeviceVariableRunTime> RealAlarmDeviceVariables { get; set; } = new();
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/// <summary>
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/// 服务状态
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/// </summary>
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public OperResult StatuString { get; set; } = new OperResult("初始化");
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private ConcurrentQueue<DeviceVariableRunTime> DeviceVariables { get; set; } = new();
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private ConcurrentQueue<HistoryAlarm> HisAlarmDeviceVariables { get; set; } = new();
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/// <summary>
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/// 获取数据库链接
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/// </summary>
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/// <returns></returns>
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public async Task<OperResult<SqlSugarClient>> GetAlarmDbAsync()
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{
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var ConfigService = ServiceHelper.Services.GetService<IConfigService>();
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var alarmEnable = (await ConfigService.GetByConfigKeyAsync(ThingsGatewayConfigConst.ThingGateway_AlarmConfig_Base, ThingsGatewayConfigConst.Config_Alarm_Enable))?.ConfigValue?.ToBoolean();
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var alarmDbType = (await ConfigService.GetByConfigKeyAsync(ThingsGatewayConfigConst.ThingGateway_AlarmConfig_Base, ThingsGatewayConfigConst.Config_Alarm_DbType))?.ConfigValue;
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var alarmConnstr = (await ConfigService.GetByConfigKeyAsync(ThingsGatewayConfigConst.ThingGateway_AlarmConfig_Base, ThingsGatewayConfigConst.Config_Alarm_ConnStr))?.ConfigValue;
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if (!(alarmEnable == true))
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{
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return new OperResult<SqlSugarClient>("历史报警已配置为Disable");
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}
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var configureExternalServices = new ConfigureExternalServices
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{
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EntityService = (type, column) => // 修改列可空-1、带?问号 2、String类型若没有Required
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{
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if ((type.PropertyType.IsGenericType && type.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
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|| (type.PropertyType == typeof(string) && type.GetCustomAttribute<RequiredAttribute>() == null))
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column.IsNullable = true;
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},
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};
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DbType type = DbType.SqlServer;
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if (!string.IsNullOrEmpty(alarmDbType))
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{
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if (Enum.TryParse<DbType>(alarmDbType, ignoreCase: true, out var result))
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{
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type = result;
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}
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else
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{
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return new OperResult<SqlSugarClient>("数据库类型转换失败");
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}
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}
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var sqlSugarClient = new SqlSugarClient(new ConnectionConfig()
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{
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ConnectionString = alarmConnstr,//连接字符串
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DbType = type,//数据库类型
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IsAutoCloseConnection = true, //不设成true要手动close
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ConfigureExternalServices = configureExternalServices,
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MoreSettings = new ConnMoreSettings
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{
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SqlServerCodeFirstNvarchar = true,//设置默认nvarchar
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TableEnumIsString = true,
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},
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});
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return OperResult.CreateSuccessResult(sqlSugarClient);
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}
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/// <summary>
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/// 获取bool报警类型
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/// </summary>
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private static AlarmEnum GetBoolAlarmCode(DeviceVariableRunTime tag, out string limit, out string expressions, out string text)
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{
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limit = string.Empty;
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expressions = string.Empty;
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text = string.Empty;
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if (tag.BoolCloseAlarmEnable && tag.Value.ToBoolean() == false)
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{
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limit = false.ToString();
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expressions = tag.BoolCloseRestrainExpressions;
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text = tag.BoolCloseAlarmText;
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return AlarmEnum.Close;
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}
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if (tag.BoolOpenAlarmEnable && tag.Value.ToBoolean() == true)
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{
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limit = true.ToString();
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expressions = tag.BoolOpenRestrainExpressions;
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text = tag.BoolOpenAlarmText;
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return AlarmEnum.Open;
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}
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return AlarmEnum.None;
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}
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/// <summary>
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/// 获取value报警类型
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/// </summary>
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private static AlarmEnum GetDecimalAlarmDegree(DeviceVariableRunTime tag, out string limit, out string expressions, out string text)
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{
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limit = string.Empty;
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expressions = string.Empty;
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text = string.Empty;
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if (tag.HHAlarmEnable && tag.Value.ToDecimal() > tag.HHAlarmCode.ToDecimal())
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{
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limit = tag.HHAlarmCode.ToString();
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expressions = tag.HHRestrainExpressions;
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text = tag.HHAlarmText;
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return AlarmEnum.HH;
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}
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if (tag.HAlarmEnable && tag.Value.ToDecimal() > tag.HAlarmCode.ToDecimal())
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{
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limit = tag.HAlarmCode.ToString();
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expressions = tag.HRestrainExpressions;
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text = tag.HAlarmText;
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return AlarmEnum.H;
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}
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if (tag.LAlarmEnable && tag.Value.ToDecimal() < tag.LAlarmCode.ToDecimal())
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{
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limit = tag.LAlarmCode.ToString();
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expressions = tag.LRestrainExpressions;
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text = tag.LAlarmText;
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return AlarmEnum.L;
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}
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if (tag.LLAlarmEnable && tag.Value.ToDecimal() < tag.LLAlarmCode.ToDecimal())
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{
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limit = tag.LLAlarmCode.ToString();
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expressions = tag.LLRestrainExpressions;
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text = tag.LLAlarmText;
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return AlarmEnum.LL;
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}
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return AlarmEnum.None;
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}
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#region worker服务
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/// <inheritdoc/>
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public override async Task StartAsync(CancellationToken token)
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{
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_logger?.LogInformation("报警服务启动");
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await base.StartAsync(token);
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}
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/// <inheritdoc/>
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public override Task StopAsync(CancellationToken token)
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{
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_logger?.LogInformation("报警服务停止");
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return base.StopAsync(token);
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}
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/// <inheritdoc/>
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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await Task.Delay(5000, stoppingToken);
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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await Task.Delay(60000, stoppingToken);
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}
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catch (TaskCanceledException)
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{
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}
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catch (ObjectDisposedException)
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{
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}
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}
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}
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#endregion
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#region 核心实现
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/// <summary>
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/// 循环线程取消标识
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/// </summary>
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public ConcurrentList<CancellationTokenSource> StoppingTokens = new();
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/// <summary>
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/// 全部重启锁
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/// </summary>
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private readonly EasyLock restartLock = new();
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private Task HisAlarmTask;
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private bool IsExited;
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private Task RealAlarmTask;
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private CacheDb CacheDb { get; set; }
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/// <summary>
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/// 重启
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/// </summary>
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/// <returns></returns>
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public async Task RestartAsync()
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{
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await StopAsync();
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await StartAsync();
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}
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internal async Task StartAsync()
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{
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try
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{
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//重启操作在未完全之前直接取消
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if (restartLock.IsWaitting)
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{
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return;
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}
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await restartLock.WaitAsync();
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foreach (var item in _globalDeviceData.CollectDevices)
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{
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item.DeviceStatusChange += DeviceStatusChange;
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item.DeviceVariableRunTimes?.ForEach(v => { v.VariableCollectChange += DeviceVariableChange; });
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}
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StoppingTokens.Add(new());
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await InitAsync();
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if (RealAlarmTask.Status == TaskStatus.Created)
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RealAlarmTask.Start();
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if (HisAlarmTask.Status == TaskStatus.Created)
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HisAlarmTask.Start();
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IsExited = false;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "重启错误");
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}
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finally
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{
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restartLock.Release();
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}
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}
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internal async Task StopAsync()
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{
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try
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{
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//重启操作在未完全之前直接取消
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if (restartLock.IsWaitting)
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{
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return;
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}
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await restartLock.WaitAsync();
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IsExited = true;
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foreach (var device in _globalDeviceData.CollectDevices)
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{
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device.DeviceStatusChange -= DeviceStatusChange;
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device.DeviceVariableRunTimes?.ForEach(v => { v.VariableCollectChange -= DeviceVariableChange; });
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}
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foreach (var token in StoppingTokens)
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{
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token.Cancel();
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}
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if (RealAlarmTask != null)
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{
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try
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{
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_logger?.LogInformation($"实时报警线程停止中");
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await RealAlarmTask.WaitAsync(TimeSpan.FromSeconds(10));
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_logger?.LogInformation($"实时报警线程已停止");
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}
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catch (ObjectDisposedException)
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{
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}
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catch (TimeoutException)
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{
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_logger?.LogWarning($"实时报警线程停止超时，已强制取消");
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}
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catch (Exception ex)
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{
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_logger?.LogWarning(ex, "等待实时报警线程停止错误");
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}
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RealAlarmTask?.SafeDispose();
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}
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if (HisAlarmTask != null)
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{
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try
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{
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_logger?.LogInformation($"历史报警线程停止中");
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await HisAlarmTask.WaitAsync(TimeSpan.FromSeconds(10));
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_logger?.LogInformation($"历史报警线程已停止");
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}
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catch (ObjectDisposedException)
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{
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}
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catch (TimeoutException)
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{
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_logger?.LogWarning($"历史报警线程停止超时，已强制取消");
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}
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catch (Exception ex)
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{
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_logger?.LogWarning(ex, "等待历史报警线程停止错误");
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}
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}
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HisAlarmTask?.SafeDispose();
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foreach (var token in StoppingTokens)
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{
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token.SafeDispose();
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}
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StoppingTokens.Clear();
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "重启错误");
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}
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finally
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{
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restartLock.Release();
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}
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}
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private void AlarmAnalysis(DeviceVariableRunTime item)
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{
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string limit;
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string ex;
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string text;
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AlarmEnum alarmEnum;
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if (item.DataTypeEnum.GetSystemType() == typeof(bool))
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{
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alarmEnum = GetBoolAlarmCode(item, out limit, out ex, out text);
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}
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else
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{
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alarmEnum = GetDecimalAlarmDegree(item, out limit, out ex, out text);
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}
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if (alarmEnum == AlarmEnum.None)
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{
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//需恢复报警，如果存在的话
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AlarmChange(item, null, text, EventEnum.Finish, alarmEnum);
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}
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else
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{
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//需更新报警，不管是否存在
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if (!string.IsNullOrEmpty(ex))
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{
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var data = ex.GetExpressionsResult(item.Value);
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if (data is bool result)
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{
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if (result)
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{
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AlarmChange(item, limit, text, EventEnum.Alarm, alarmEnum);
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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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AlarmChange(item, limit, text, EventEnum.Alarm, alarmEnum);
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}
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}
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}
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private void AlarmChange(DeviceVariableRunTime item, object limit, string text, EventEnum eventEnum, AlarmEnum alarmEnum)
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{
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if (eventEnum == EventEnum.Finish)
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{
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//实时报警没有找到的话直接返回
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if (!RealAlarmDeviceVariables.Any(it => it.Id == item.Id))
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{
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return;
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}
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}
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else if (eventEnum == EventEnum.Alarm)
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{
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var variable = RealAlarmDeviceVariables.FirstOrDefault(it => it.Id == item.Id);
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if (variable != null)
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{
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if (item.AlarmTypeEnum == alarmEnum)
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return;
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}
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}
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if (eventEnum == EventEnum.Alarm)
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{
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item.AlarmTypeEnum = alarmEnum;
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item.EventTypeEnum = eventEnum;
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item.AlarmLimit = limit.ToString();
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item.AlarmCode = item.Value.ToString();
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item.AlarmText = text;
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item.AlarmTime = SysDateTimeExtensions.CurrentDateTime;
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item.EventTime = SysDateTimeExtensions.CurrentDateTime;
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}
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else if (eventEnum == EventEnum.Finish)
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{
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var oldAlarm = RealAlarmDeviceVariables.FirstOrDefault(it => it.Id == item.Id);
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item.AlarmTypeEnum = oldAlarm.AlarmTypeEnum;
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item.EventTypeEnum = eventEnum;
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item.AlarmLimit = oldAlarm.AlarmLimit;
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item.AlarmCode = item.Value.ToString();
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item.AlarmText = text;
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item.EventTime = SysDateTimeExtensions.CurrentDateTime;
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}
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else if (eventEnum == EventEnum.Check)
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{
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item.AlarmTypeEnum = alarmEnum;
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item.EventTypeEnum = eventEnum;
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item.AlarmLimit = limit.ToString();
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item.AlarmCode = item.Value.ToString();
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item.AlarmText = text;
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item.EventTime = SysDateTimeExtensions.CurrentDateTime;
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}
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OnAlarmChanged?.Invoke(item.Adapt<DeviceVariableRunTime>());
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if (!IsExited)
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{
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HisAlarmDeviceVariables.Enqueue(item.Adapt<HistoryAlarm>());
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}
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if (eventEnum == EventEnum.Alarm)
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{
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RealAlarmDeviceVariables.RemoveWhere(it => it.Id == item.Id);
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RealAlarmDeviceVariables.Add(item);
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}
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else
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{
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RealAlarmDeviceVariables.RemoveWhere(it => it.Id == item.Id);
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}
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}
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private void DeviceStatusChange(CollectDeviceRunTime device)
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{
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OnDeviceStatusChanged?.Invoke(device.Adapt<CollectDeviceRunTime>());
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}
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private void DeviceVariableChange(DeviceVariableRunTime variable)
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{
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//这里不能序列化变量，报警服务需改变同一个变量指向的属性
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DeviceVariables.Enqueue(variable);
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}
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/// <summary>
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/// 初始化
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/// </summary>
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private async Task InitAsync()
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{
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CacheDb = new("HistoryAlarmCache");
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CancellationTokenSource stoppingToken = StoppingTokens.Last();
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RealAlarmTask = await Task.Factory.StartNew(async () =>
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{
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_logger?.LogInformation($"实时报警线程开始");
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while (!stoppingToken.Token.IsCancellationRequested)
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{
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try
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{
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await Task.Delay(500, stoppingToken.Token);
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var list = DeviceVariables.ToListWithDequeue();
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foreach (var item in list)
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{
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if (stoppingToken.Token.IsCancellationRequested)
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break;
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if (!item.AlarmEnable) continue;
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AlarmAnalysis(item);
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}
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if (stoppingToken.Token.IsCancellationRequested)
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break;
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}
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catch (TaskCanceledException)
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{
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}
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catch (ObjectDisposedException)
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{
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}
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catch (Exception ex)
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{
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_logger?.LogWarning(ex, $"实时报警循环异常");
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}
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}
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}
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, TaskCreationOptions.LongRunning);
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HisAlarmTask = await Task.Factory.StartNew(async () =>
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{
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||
_logger?.LogInformation($"历史报警线程开始");
|
||
await Task.Yield();//返回线程控制，不再阻塞
|
||
try
|
||
{
|
||
await Task.Delay(500, stoppingToken.Token);
|
||
|
||
var result = await GetAlarmDbAsync();
|
||
if (!result.IsSuccess)
|
||
{
|
||
_logger?.LogWarning($"历史报警线程即将退出：" + result.Message);
|
||
StatuString = new OperResult($"已退出：{result.Message}");
|
||
IsExited = true;
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
var sqlSugarClient = result.Content;
|
||
bool isSuccess = true;
|
||
/***创建/更新单个表***/
|
||
try
|
||
{
|
||
await sqlSugarClient.Queryable<HistoryAlarm>().FirstAsync(stoppingToken.Token);
|
||
isSuccess = true;
|
||
StatuString = OperResult.CreateSuccessResult();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
if (stoppingToken.Token.IsCancellationRequested)
|
||
{
|
||
IsExited = true;
|
||
return;
|
||
}
|
||
try
|
||
{
|
||
_logger.LogWarning("连接历史报警表失败，尝试初始化表");
|
||
sqlSugarClient.CodeFirst.InitTables(typeof(HistoryAlarm));
|
||
isSuccess = true;
|
||
StatuString = OperResult.CreateSuccessResult();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
isSuccess = false;
|
||
StatuString = new OperResult(ex);
|
||
_logger.LogWarning(ex, "连接历史报警数据库失败");
|
||
}
|
||
}
|
||
|
||
while (!stoppingToken.Token.IsCancellationRequested)
|
||
{
|
||
try
|
||
{
|
||
await Task.Delay(500, stoppingToken.Token);
|
||
|
||
if (stoppingToken.Token.IsCancellationRequested)
|
||
break;
|
||
|
||
//缓存值
|
||
var cacheData = await CacheDb.GetCacheData();
|
||
if (cacheData.Count > 0)
|
||
{
|
||
var data = cacheData.SelectMany(a => a.CacheStr.FromJson<List<HistoryAlarm>>()).ToList();
|
||
try
|
||
{
|
||
var count = await sqlSugarClient.Insertable(data).ExecuteCommandAsync(stoppingToken.Token);
|
||
await CacheDb.DeleteCacheData(cacheData.Select(a => a.Id).ToArray());
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
if (isSuccess)
|
||
_logger.LogWarning(ex, "写入历史报警失败");
|
||
}
|
||
}
|
||
if (stoppingToken.Token.IsCancellationRequested)
|
||
break;
|
||
|
||
|
||
var list = HisAlarmDeviceVariables.ToListWithDequeue();
|
||
if (list.Count != 0)
|
||
{
|
||
////Sql保存
|
||
list.ForEach(it =>
|
||
{
|
||
it.Id = YitIdHelper.NextId();
|
||
});
|
||
//插入
|
||
try
|
||
{
|
||
await sqlSugarClient.Insertable(list).ExecuteCommandAsync(stoppingToken.Token);
|
||
isSuccess = true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
if (isSuccess)
|
||
_logger.LogWarning(ex, "写入历史报警失败");
|
||
|
||
var cacheDatas = list.ChunkTrivialBetter(500);
|
||
foreach (var a in cacheDatas)
|
||
{
|
||
await CacheDb.AddCacheData("", a.ToJson(), 50000);
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
|
||
}
|
||
catch (TaskCanceledException)
|
||
{
|
||
|
||
}
|
||
catch (ObjectDisposedException)
|
||
{
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
if (isSuccess)
|
||
_logger?.LogWarning($"历史报警循环异常:" + ex.Message);
|
||
StatuString = new OperResult(ex);
|
||
isSuccess = false;
|
||
}
|
||
}
|
||
IsExited = true;
|
||
|
||
}
|
||
}
|
||
catch (TaskCanceledException)
|
||
{
|
||
IsExited = true;
|
||
|
||
}
|
||
catch (ObjectDisposedException)
|
||
{
|
||
IsExited = true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
IsExited = true;
|
||
_logger?.LogError($"历史报警异常:" + ex.Message);
|
||
}
|
||
}
|
||
, TaskCreationOptions.LongRunning);
|
||
}
|
||
#endregion
|
||
}
|
||
|
||
|