531 lines
18 KiB
C#
531 lines
18 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json.Linq;
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using YunDa.Server.ISMSTcp.Interfaces;
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using YunDa.Server.ISMSTcp.Models;
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namespace YunDa.Server.ISMSTcp.Services
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{
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/// <summary>
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/// 数据处理器实现
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/// </summary>
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public class DataProcessor : IDataProcessor
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{
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private readonly ILogger<DataProcessor> _logger;
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private readonly IMessageParser _messageParser;
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private readonly IAlarmService _alarmService;
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public DataProcessor(
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ILogger<DataProcessor> logger,
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IMessageParser messageParser,
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IAlarmService alarmService,
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ICommandStateMachine commandStateMachine)
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{
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_logger = logger;
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_messageParser = messageParser;
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_alarmService = alarmService;
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CommandStateMachine = commandStateMachine;
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}
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/// <summary>
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/// 命令状态机
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/// </summary>
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public ICommandStateMachine CommandStateMachine { get; }
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// 用于存储不完整的数据包
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private byte[] _dataBuffer = Array.Empty<byte>();
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/// <summary>
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/// 处理接收到的数据
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/// </summary>
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/// <param name="data">原始数据</param>
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/// <returns>处理结果</returns>
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public async Task<ProcessResult> ProcessDataAsync(ReadOnlyMemory<byte> data)
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{
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try
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{
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// 将新接收的数据追加到现有缓冲区
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var newBuffer = data.ToArray();
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var combinedBuffer = CombineBuffers(_dataBuffer, newBuffer);
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// 如果缓冲区太小，无法包含完整的头部（6字节），则等待更多数据
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if (combinedBuffer.Length < 6)
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{
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_dataBuffer = combinedBuffer;
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return ProcessResult.Error("Incomplete header, waiting for more data", 0);
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}
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// 尝试解析数据包
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var (processedBytes, results) = await ProcessPacketsAsync(combinedBuffer);
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// 更新缓冲区，保留未处理的数据
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if (processedBytes < combinedBuffer.Length)
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{
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_dataBuffer = combinedBuffer.Skip(processedBytes).ToArray();
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}
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else
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{
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_dataBuffer = Array.Empty<byte>();
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}
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// 如果成功处理了至少一个数据包，返回成功结果
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if (results.Count > 0)
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{
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var lastResult = results.Last();
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return lastResult;
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}
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// 如果没有处理任何数据包，返回错误结果
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return ProcessResult.Error("No complete packets found", 0);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error processing data");
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return ProcessResult.Error(ex.Message, 0);
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}
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}
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/// <summary>
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/// 合并两个字节数组
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/// </summary>
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/// <param name="buffer1">第一个缓冲区</param>
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/// <param name="buffer2">第二个缓冲区</param>
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/// <returns>合并后的缓冲区</returns>
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private byte[] CombineBuffers(byte[] buffer1, byte[] buffer2)
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{
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if (buffer1.Length == 0)
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return buffer2;
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if (buffer2.Length == 0)
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return buffer1;
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var result = new byte[buffer1.Length + buffer2.Length];
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Buffer.BlockCopy(buffer1, 0, result, 0, buffer1.Length);
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Buffer.BlockCopy(buffer2, 0, result, buffer1.Length, buffer2.Length);
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return result;
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}
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/// <summary>
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/// 处理缓冲区中的所有完整数据包
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/// </summary>
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/// <param name="buffer">数据缓冲区</param>
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/// <returns>处理的字节数和处理结果列表</returns>
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private async Task<(int ProcessedBytes, List<ProcessResult> Results)> ProcessPacketsAsync(byte[] buffer)
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{
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int processedBytes = 0;
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var results = new List<ProcessResult>();
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while (processedBytes < buffer.Length)
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{
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// 确保剩余数据足够包含头部（6字节）
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if (buffer.Length - processedBytes < 6)
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break;
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// 提取并解析头部（6字节长度指示器）
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var headerBytes = new byte[6];
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Buffer.BlockCopy(buffer, processedBytes, headerBytes, 0, 6);
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string header = Encoding.UTF8.GetString(headerBytes);
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// 解析数字长度
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if (!int.TryParse(header, out int contentLength) || contentLength < 0)
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{
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_logger.LogWarning("Invalid header format: {Header}", header);
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// 跳过一个字节并继续尝试解析
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processedBytes++;
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continue;
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}
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// 计算完整数据包所需的字节数（头部6字节 + 内容 + 尾部2字节）
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int requiredBytes = 6 + contentLength + 2;
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// 检查是否有足够的数据形成完整的数据包
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if (buffer.Length - processedBytes < requiredBytes)
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break;
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// 提取完整的数据包
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var packetBytes = new byte[requiredBytes];
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Buffer.BlockCopy(buffer, processedBytes, packetBytes, 0, requiredBytes);
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// 处理单个完整的数据包
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var result = await ProcessSinglePacketAsync(packetBytes);
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if (result.IsValid)
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{
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results.Add(result);
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processedBytes += requiredBytes;
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}
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else
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{
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// 如果处理失败，跳过一个字节并继续尝试
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processedBytes++;
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}
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}
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return (processedBytes, results);
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}
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/// <summary>
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/// 处理单个完整的数据包
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/// </summary>
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/// <param name="packetBytes">完整的数据包字节</param>
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/// <returns>处理结果</returns>
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private async Task<ProcessResult> ProcessSinglePacketAsync(byte[] packetBytes)
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{
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if (_messageParser.TryParseMessage(packetBytes, out int contentLength, out string content))
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{
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using (_logger.BeginScope(new Dictionary<string, object> { ["LogCategory"] = "Communication" }))
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{
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_logger.LogDebug("Parsed message with content length: {Length}", contentLength);
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}
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// 检查并处理命令超时
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CommandStateMachine.CheckAndHandleTimeout();
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bool isAlarmData = false;
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// 处理不同类型的内容
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if (_messageParser.TryParseJToken(content, out var token))
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{
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if (token is JObject jObject)
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{
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// 检查是否为报警数据
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isAlarmData = jObject.TryGetValue("AlertID", out var alertIdToken) &&
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Guid.TryParse(alertIdToken.ToString(), out _);
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await HandleJsonObjectAsync(content);
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await HandleCommandResponseAsync(content, isAlarmData);
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return ProcessResult.Success(false, content, 6 + contentLength + 2);
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}
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else if (token is JArray)
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{
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await HandleJsonArrayAsync(content);
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await HandleCommandResponseAsync(content, isAlarmData);
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return ProcessResult.Success(true, content, 6 + contentLength + 2);
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}
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}
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// 处理为普通字符串
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await HandleStringAsync(content);
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await HandleCommandResponseAsync(content, isAlarmData);
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return ProcessResult.Success(false, content, 6 + contentLength + 2);
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}
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return ProcessResult.Error("Invalid message format", 0);
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}
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/// <summary>
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/// 处理JSON对象
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/// </summary>
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/// <param name="json">JSON字符串</param>
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/// <returns>处理任务</returns>
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public async Task HandleJsonObjectAsync(string json)
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{
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try
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{
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_logger.LogInformation("Processing JSON object: {Json}", json);
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if (_messageParser.TryParseJToken(json, out var token) && token is JObject jObject)
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{
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// 检查是否为报警消息（包含AlertID）
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if (jObject.TryGetValue("AlertID", out var alertIdToken) &&
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Guid.TryParse(alertIdToken.ToString(), out _))
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{
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await HandleAlarmMessageAsync(json);
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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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_logger.LogError(ex, "Error handling JSON object: {Json}", json);
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}
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}
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/// <summary>
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/// 处理JSON数组
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/// </summary>
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/// <param name="json">JSON字符串</param>
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/// <returns>处理任务</returns>
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public async Task HandleJsonArrayAsync(string json)
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{
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try
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{
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_logger.LogInformation("Processing JSON array: {Json}", json);
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// 可以在这里添加特定的JSON数组处理逻辑
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await Task.CompletedTask;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error handling JSON array: {Json}", json);
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}
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}
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/// <summary>
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/// 处理字符串数据
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/// </summary>
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/// <param name="content">字符串内容</param>
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/// <returns>处理任务</returns>
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public async Task HandleStringAsync(string content)
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{
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try
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{
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_logger.LogInformation("Processing string content: {Content}", content);
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// 尝试解析特殊格式的错误消息
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if (_messageParser.TryParseSpecialErrorFormat(content, out string parsedErrorContent))
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{
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_logger.LogWarning("Detected special error format, converted to JSON: {Original} -> {Parsed}",
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content, parsedErrorContent);
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// 将解析后的JSON格式错误消息作为报警处理
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await HandleAlarmMessageAsync(parsedErrorContent);
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}
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await Task.CompletedTask;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error handling string: {Content}", content);
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}
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}
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/// <summary>
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/// 处理报警消息
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/// </summary>
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/// <param name="json">报警JSON数据</param>
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/// <returns>处理任务</returns>
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public async Task HandleAlarmMessageAsync(string json)
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{
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try
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{
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_logger.LogWarning("Processing alarm message: {Json}", json);
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|||
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// 异步上传报警消息
|
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try
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{
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await _alarmService.UploadAlarmMessageAsync(json);
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_logger.LogInformation("Alarm message uploaded successfully");
|
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}
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catch (Exception uploadEx)
|
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{
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_logger.LogError(uploadEx, "Failed to upload alarm message");
|
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}
|
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}
|
|||
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catch (Exception ex)
|
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{
|
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_logger.LogError(ex, "Error handling alarm message: {Json}", json);
|
|||
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}
|
|||
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}
|
|||
|
|
|
|||
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/// <summary>
|
|||
|
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/// 处理命令响应
|
|||
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/// </summary>
|
|||
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/// <param name="content">响应内容</param>
|
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/// <param name="isAlarmData">是否为报警数据</param>
|
|||
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/// <returns>处理任务</returns>
|
|||
|
|
public async Task HandleCommandResponseAsync(string content, bool isAlarmData)
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{
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try
|
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|
{
|
|||
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// 报警数据是主动推送的，不需要处理命令响应
|
|||
|
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if (isAlarmData)
|
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{
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_logger.LogDebug("Skipping command response handling for alarm data");
|
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return;
|
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|
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}
|
|||
|
|
|
|||
|
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// 检查是否有待处理的命令
|
|||
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if (!CommandStateMachine.HasPendingCommand)
|
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{
|
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_logger.LogDebug("No pending command for response: {Content}", content);
|
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return;
|
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|
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}
|
|||
|
|
|
|||
|
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var currentCommand = CommandStateMachine.CurrentCommand;
|
|||
|
|
if (currentCommand == null)
|
|||
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{
|
|||
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return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查是否为错误响应（包含"执行失败"或"Error"关键词）
|
|||
|
|
bool isErrorResponse = IsErrorResponse(content);
|
|||
|
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if (isErrorResponse)
|
|||
|
|
{
|
|||
|
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_logger.LogWarning("Detected error response: {Content}", content);
|
|||
|
|
// 错误响应也视为命令完成，解除命令锁定
|
|||
|
|
if (CommandStateMachine.CompleteCommand())
|
|||
|
|
{
|
|||
|
|
_logger.LogInformation("Command '{CommandName}' completed with error response: {Response}",
|
|||
|
|
currentCommand.CommandName, content);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
_logger.LogWarning("Failed to complete command '{CommandName}' with error response: {Response}",
|
|||
|
|
currentCommand.CommandName, content);
|
|||
|
|
}
|
|||
|
|
await Task.CompletedTask;
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 尝试从响应内容中提取命令名称进行匹配
|
|||
|
|
string? responseCommandName = ExtractCommandNameFromResponse(content);
|
|||
|
|
|
|||
|
|
if (CommandStateMachine.CompleteCommand(responseCommandName))
|
|||
|
|
{
|
|||
|
|
_logger.LogInformation("Command '{CommandName}' completed successfully with response: {Response}",
|
|||
|
|
currentCommand.CommandName, content);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
_logger.LogWarning("Failed to complete command '{CommandName}' with response: {Response}",
|
|||
|
|
currentCommand.CommandName, content);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
await Task.CompletedTask;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
_logger.LogError(ex, "Error handling command response: {Content}", content);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 检查响应是否为错误响应
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="content">响应内容</param>
|
|||
|
|
/// <returns>是否为错误响应</returns>
|
|||
|
|
private bool IsErrorResponse(string content)
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(content))
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查是否匹配特殊错误格式
|
|||
|
|
if (_messageParser.TryParseSpecialErrorFormat(content, out _))
|
|||
|
|
{
|
|||
|
|
_logger.LogDebug("Detected special error format in response: {Content}", content);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 检查JSON格式的错误响应
|
|||
|
|
if (_messageParser.TryParseJToken(content, out var token) && token is JObject jObject)
|
|||
|
|
{
|
|||
|
|
// 检查JSON中是否包含错误字段
|
|||
|
|
if (jObject.TryGetValue("ErrorCode", out _) ||
|
|||
|
|
jObject.TryGetValue("error", out _) ||
|
|||
|
|
jObject.TryGetValue("Error", out _) ||
|
|||
|
|
jObject.TryGetValue("errorMessage", out _))
|
|||
|
|
{
|
|||
|
|
_logger.LogDebug("Found error field in JSON response: {Content}", content);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 定义错误关键词列表
|
|||
|
|
var errorKeywords = new[]
|
|||
|
|
{
|
|||
|
|
"执行失败",
|
|||
|
|
"Error",
|
|||
|
|
"error",
|
|||
|
|
"ERROR",
|
|||
|
|
"失败",
|
|||
|
|
"异常",
|
|||
|
|
"Exception",
|
|||
|
|
"exception",
|
|||
|
|
"EXCEPTION",
|
|||
|
|
"AutoCallDeviceDZJSON Error",
|
|||
|
|
"找不到对应的装置对象"
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// 检查内容是否包含任何错误关键词
|
|||
|
|
foreach (var keyword in errorKeywords)
|
|||
|
|
{
|
|||
|
|
if (content.Contains(keyword, StringComparison.OrdinalIgnoreCase))
|
|||
|
|
{
|
|||
|
|
_logger.LogDebug("Found error keyword '{Keyword}' in response: {Content}", keyword, content);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 从响应内容中提取命令名称
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="content">响应内容</param>
|
|||
|
|
/// <returns>命令名称</returns>
|
|||
|
|
private string? ExtractCommandNameFromResponse(string content)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
// 对于错误响应，尝试从错误信息中提取命令名称
|
|||
|
|
if (IsErrorResponse(content))
|
|||
|
|
{
|
|||
|
|
// 检查是否为特殊格式的错误消息
|
|||
|
|
if (_messageParser.TryParseSpecialErrorFormat(content, out string parsedErrorContent))
|
|||
|
|
{
|
|||
|
|
// 从解析后的JSON中提取错误代码作为命令标识
|
|||
|
|
if (_messageParser.TryParseJToken(parsedErrorContent, out var errorToken) && errorToken is JObject errorObj)
|
|||
|
|
{
|
|||
|
|
if (errorObj.TryGetValue("ErrorCode", out var errorCodeToken))
|
|||
|
|
{
|
|||
|
|
_logger.LogDebug("Extracted error code '{ErrorCode}' from special error format: {Content}",
|
|||
|
|
errorCodeToken.ToString(), content);
|
|||
|
|
return errorCodeToken.ToString();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 如果是管道分隔的错误响应，尝试提取第一部分作为命令名称
|
|||
|
|
if (content.Contains('|'))
|
|||
|
|
{
|
|||
|
|
var parts = content.Split('|', StringSplitOptions.RemoveEmptyEntries);
|
|||
|
|
if (parts.Length > 0)
|
|||
|
|
{
|
|||
|
|
return parts[0].Trim();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 对于纯文本错误响应，返回null让系统使用当前命令名称进行匹配
|
|||
|
|
_logger.LogDebug("Error response detected, using current command for completion: {Content}", content);
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 尝试从管道分隔的字符串中提取命令名称
|
|||
|
|
if (content.Contains('|'))
|
|||
|
|
{
|
|||
|
|
var parts = content.Split('|', StringSplitOptions.RemoveEmptyEntries);
|
|||
|
|
if (parts.Length > 0)
|
|||
|
|
{
|
|||
|
|
return parts[0].Trim();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 如果是JSON，尝试从JSON中提取命令相关信息
|
|||
|
|
if (_messageParser.TryParseJToken(content, out var token) && token is JObject jObject)
|
|||
|
|
{
|
|||
|
|
// 可以根据实际的JSON结构来提取命令名称
|
|||
|
|
// 这里提供一个通用的实现
|
|||
|
|
if (jObject.TryGetValue("command", out var commandToken) ||
|
|||
|
|
jObject.TryGetValue("cmd", out commandToken) ||
|
|||
|
|
jObject.TryGetValue("type", out commandToken))
|
|||
|
|
{
|
|||
|
|
return commandToken.ToString();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
_logger.LogDebug(ex, "Failed to extract command name from response: {Content}", content);
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|