262 lines
11 KiB
C#
262 lines
11 KiB
C#
using System;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Threading.Tasks;
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using DeviceDetectorNET.Parser.Device;
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using DotNetCore.CAP;
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using JiShe.CollectBus.Ammeters;
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using JiShe.CollectBus.Common.Enums;
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using JiShe.CollectBus.Common.Extensions;
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using JiShe.CollectBus.Common.Helpers;
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using JiShe.CollectBus.Enums;
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using JiShe.CollectBus.Interceptors;
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using JiShe.CollectBus.IotSystems.Devices;
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using JiShe.CollectBus.IotSystems.MessageReceiveds;
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using JiShe.CollectBus.Kafka.Producer;
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using JiShe.CollectBus.Protocol.Contracts;
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using MassTransit;
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using Microsoft.Extensions.Logging;
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using TouchSocket.Core;
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using TouchSocket.Sockets;
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using Volo.Abp.Caching;
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using Volo.Abp.DependencyInjection;
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using Volo.Abp.Domain.Entities;
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using Volo.Abp.Domain.Repositories;
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using static FreeSql.Internal.GlobalFilter;
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namespace JiShe.CollectBus.Plugins
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{
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public partial class TcpMonitor : PluginBase, ITransientDependency, ITcpReceivedPlugin, ITcpConnectingPlugin, ITcpConnectedPlugin, ITcpClosedPlugin
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{
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private readonly IProducerService _producerService;
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private readonly ILogger<TcpMonitor> _logger;
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private readonly IRepository<Device, Guid> _deviceRepository;
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private readonly IDistributedCache<AmmeterInfo> _ammeterInfoCache;
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/// <summary>
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///
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/// </summary>
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/// <param name="producerService"></param>
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/// <param name="logger"></param>
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/// <param name="deviceRepository"></param>
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/// <param name="ammeterInfoCache"></param>
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public TcpMonitor(IProducerService producerService,
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ILogger<TcpMonitor> logger,
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IRepository<Device, Guid> deviceRepository,
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IDistributedCache<AmmeterInfo> ammeterInfoCache)
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{
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_producerService = producerService;
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_logger = logger;
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_deviceRepository = deviceRepository;
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_ammeterInfoCache = ammeterInfoCache;
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}
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public async Task OnTcpReceived(ITcpSession client, ReceivedDataEventArgs e)
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{
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var messageHexString = Convert.ToHexString(e.ByteBlock.Span);
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var hexStringList = messageHexString.StringToPairs();
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var aFn = (int?)hexStringList.GetAnalyzeValue(CommandChunkEnum.AFN);
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var fn = (int?)hexStringList.GetAnalyzeValue(CommandChunkEnum.FN);
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var aTuple = (Tuple<string, int>)hexStringList.GetAnalyzeValue(CommandChunkEnum.A);
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if (aFn.HasValue && fn.HasValue && aTuple != null && !string.IsNullOrWhiteSpace(aTuple.Item1))
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{
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var tcpSessionClient = (ITcpSessionClient)client;
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if ((AFN)aFn == AFN.链路接口检测)
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{
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switch (fn)
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{
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case 1:
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await OnTcpLoginReceived(tcpSessionClient, messageHexString, aTuple.Item1);
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break;
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case 3:
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//心跳帧有两种情况：
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//1. 集中器先有登录帧，再有心跳帧
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//2. 集中器没有登录帧，只有心跳帧
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await OnTcpHeartbeatReceived(tcpSessionClient, messageHexString, aTuple.Item1);
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break;
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default:
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_logger.LogError($"指令初步解析失败，指令内容：{messageHexString}");
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break;
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}
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}
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else
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{
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await OnTcpNormalReceived(tcpSessionClient, messageHexString, aTuple.Item1,aFn.ToString()!.PadLeft(2,'0'));
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}
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}
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else
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{
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_logger.LogError($"指令初步解析失败，指令内容：{messageHexString}");
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}
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await e.InvokeNext();
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}
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//[GeneratorPlugin(typeof(ITcpConnectingPlugin))]
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public async Task OnTcpConnecting(ITcpSession client, ConnectingEventArgs e)
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{
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var tcpSessionClient = (ITcpSessionClient)client;
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_logger.LogInformation($"[TCP] ID:{tcpSessionClient.Id} IP:{client.GetIPPort()}正在连接中...");
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await e.InvokeNext();
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}
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//[GeneratorPlugin(typeof(ITcpConnectedPlugin))]
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public async Task OnTcpConnected(ITcpSession client, ConnectedEventArgs e)
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{
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var tcpSessionClient = (ITcpSessionClient)client;
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_logger.LogInformation($"[TCP] ID:{tcpSessionClient.Id} IP:{client.GetIPPort()}已连接");
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await e.InvokeNext();
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}
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//[GeneratorPlugin(typeof(ITcpClosedPlugin))]//ITcpSessionClient
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public async Task OnTcpClosed(ITcpSession client, ClosedEventArgs e)
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{
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var tcpSessionClient = (ITcpSessionClient)client;
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var entity = await _deviceRepository.FindAsync(a => a.ClientId == tcpSessionClient.Id);
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if (entity != null)
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{
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entity.UpdateByOnClosed();
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await _deviceRepository.UpdateAsync(entity);
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}
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else
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{
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_logger.LogWarning($"[TCP] ID:{tcpSessionClient.Id} IP:{client.GetIPPort()}已关闭连接,但采集程序检索失败");
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}
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await e.InvokeNext();
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}
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/// <summary>
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/// 登录帧处理
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/// </summary>
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/// <param name="client"></param>
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/// <param name="messageHexString"></param>
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/// <param name="deviceNo">集中器编号</param>
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/// <returns></returns>
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private async Task OnTcpLoginReceived(ITcpSessionClient client, string messageHexString, string deviceNo)
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{
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string oldClientId = $"{client.Id}";
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await client.ResetIdAsync(deviceNo);
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var deviceInfoList= await _deviceRepository.GetListAsync(a => a.Number == deviceNo);
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if (deviceInfoList != null && deviceInfoList.Count > 1)
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{
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//todo 推送集中器编号重复预警
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_logger.LogError($"集中器编号：{deviceNo}，存在多个集中器，请检查集中器编号是否重复");
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return;
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}
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var entity = deviceInfoList?.FirstOrDefault(a => a.Number == deviceNo);
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if (entity == null)
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{
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await _deviceRepository.InsertAsync(new Device(deviceNo, oldClientId, DateTime.Now, DateTime.Now, DeviceStatus.Online));
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}
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else
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{
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entity.UpdateByLoginAndHeartbeat(oldClientId);
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await _deviceRepository.UpdateAsync(entity);
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}
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var messageReceivedLoginEvent = new MessageReceivedLogin
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{
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ClientId = deviceNo,
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ClientIp = client.IP,
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ClientPort = client.Port,
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MessageHexString = messageHexString,
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DeviceNo = deviceNo,
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MessageId = NewId.NextGuid().ToString()
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};
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await _producerService.ProduceAsync(ProtocolConst.SubscriberLoginReceivedEventName, messageReceivedLoginEvent.Serialize());
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//await _producerBus.Publish( messageReceivedLoginEvent);
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}
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private async Task OnTcpHeartbeatReceived(ITcpSessionClient client, string messageHexString, string deviceNo)
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{
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string clientId = deviceNo;
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string oldClientId = $"{client.Id}";
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var deviceInfoList = await _deviceRepository.GetListAsync(a => a.Number == deviceNo);
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if (deviceInfoList != null && deviceInfoList.Count > 1)
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{
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//todo 推送集中器编号重复预警
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_logger.LogError($"集中器编号：{deviceNo}，存在多个集中器，请检查集中器编号是否重复");
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return;
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}
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var entity = deviceInfoList?.FirstOrDefault(a => a.Number == deviceNo);
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if (entity == null) //没有登录帧的设备，只有心跳帧
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{
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await client.ResetIdAsync(clientId);
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await _deviceRepository.InsertAsync(new Device(deviceNo, oldClientId, DateTime.Now, DateTime.Now, DeviceStatus.Online));
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}
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else
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{
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if (clientId != oldClientId)
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{
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entity.UpdateByLoginAndHeartbeat(oldClientId);
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}
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else
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{
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entity.UpdateByLoginAndHeartbeat();
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}
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await _deviceRepository.UpdateAsync(entity);
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}
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var messageReceivedHeartbeatEvent = new MessageReceivedHeartbeat
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{
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ClientId = clientId,
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ClientIp = client.IP,
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ClientPort = client.Port,
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MessageHexString = messageHexString,
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DeviceNo = deviceNo,
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MessageId = NewId.NextGuid().ToString()
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};
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await _producerService.ProduceAsync(ProtocolConst.SubscriberHeartbeatReceivedEventName, messageReceivedHeartbeatEvent.Serialize());
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//await _producerBus.Publish(messageReceivedHeartbeatEvent);
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}
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/// <summary>
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/// 正常帧处理，将不同的AFN进行分发
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/// </summary>
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/// <param name="client"></param>
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/// <param name="messageHexString"></param>
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/// <param name="deviceNo"></param>
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/// <param name="aFn"></param>
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/// <returns></returns>
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private async Task OnTcpNormalReceived(ITcpSessionClient client, string messageHexString, string deviceNo,string aFn)
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{
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//await _producerBus.Publish(new MessageReceived
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//{
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// ClientId = client.Id,
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// ClientIp = client.IP,
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// ClientPort = client.Port,
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// MessageHexString = messageHexString,
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// DeviceNo = deviceNo,
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// MessageId = NewId.NextGuid().ToString()
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//});
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//string topicName = string.Format(ProtocolConst.AFNTopicNameFormat, aFn);
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//todo 如何确定时标？目前集中器的采集频率，都是固定，数据上报的时候，根据当前时间，往后推测出应当采集的时间点作为时标。但是如果由于网络问题，数据一直没上报的情况改怎么计算？
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await _producerService.ProduceAsync(ProtocolConst.SubscriberReceivedEventName, new MessageReceived
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{
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ClientId = client.Id,
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ClientIp = client.IP,
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ClientPort = client.Port,
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MessageHexString = messageHexString,
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DeviceNo = deviceNo,
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MessageId = NewId.NextGuid().ToString()
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}.Serialize());
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}
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}
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}
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