537 lines
27 KiB
C#
537 lines
27 KiB
C#
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using System;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Hosting;
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namespace RIZO.Admin.WebApi.PLC.Service
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{
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/// <summary>
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/// PF6螺丝枪基础通讯服务（核心功能：TCP连接、心跳、全报文发收测试）
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/// 适配PF6开放协议V2.5版本，支持所有已定义报文的批量发送与调试
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/// </summary>
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public class PF6ScrewGunService : BackgroundService
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{
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// TCP通讯核心对象
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private TcpClient _tcpClient;
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private NetworkStream _networkStream;
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// 螺丝枪配置（与协议文档一致）
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private readonly string _screwGunIp = "192.168.1.145"; // 控制器IP（可配置）
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private readonly int _screwGunPort = 4545; // 协议默认端口（文档明确）
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private readonly TimeSpan _heartbeatInterval = TimeSpan.FromSeconds(10); // 心跳间隔（文档要求10秒）
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private readonly TimeSpan _reconnectInterval = TimeSpan.FromSeconds(8); // 重连间隔（延长避免频繁重试）
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private readonly TimeSpan _testCommandInterval = TimeSpan.FromSeconds(15); // 测试指令间隔（降低频率）
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private readonly TimeSpan _batchTestInterval = TimeSpan.FromSeconds(30); // 全报文批量测试间隔
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// 协议基础常量（严格遵循PF6开放协议V2.5文档）
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private const string MessageEndFlag = "00"; // 报文结束标识（文档第1页明确）
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private const int MessageTotalLength = 20; // 发送报文固定长度（文档"字符总长20字节"）
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private const string HeartbeatMid = "9999"; // 心跳指令MID（文档测试页面确认）
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private const string TestTightenMid = "0610"; // 测试拧紧指令MID（文档功能按钮确认）
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private const string HandshakeMid = "0001"; // 握手指令MID（文档初始连接流程）
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private const string PsetQueryMid = "0005"; // 参数组查询MID（文档PSET查询功能）
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private const string TightenResultMid = "0620"; // 拧紧结果查询MID（文档明确）
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private const string ProtocolVersion = "3030"; // 协议版本号（文档报文示例）
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private const string MessagePrefix = "303020"; // 报文固定前缀（文档2017-12-1交互示例）
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private const string FillChar = "20"; // 填充字符（文档"20填满字符总长"）
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private const int LinkTimeout = 1000; // 链路超时（文档配置页面1000ms）
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private const int AppCommandTimeout = 1000; // 应用指令超时（文档配置页面1000ms）
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private const int MaxRetries = 3; // 最大重试次数（文档配置页面3次）
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private const int ReceiveBufferSize = 4096; // 接收缓冲区扩大（文档响应报文可能超过1024字节）
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/// <summary>
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/// 服务核心执行逻辑
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/// </summary>
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] PF6螺丝枪通讯服务开始启动...");
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 服务支持报文：握手(0001)、心跳(9999)、测试拧紧(0610)、参数组查询(0005)、拧紧结果查询(0620)");
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_tcpClient = new TcpClient();
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// 服务主循环：断线自动重连（响应停止指令）
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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// 1. 建立TCP连接（带重试）
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bool connectSuccess = await ConnectWithRetryAsync(stoppingToken);
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if (!connectSuccess)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 连接重试失败，等待下一轮重连");
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await Task.Delay(_reconnectInterval, stoppingToken);
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continue;
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}
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// 2. 发送握手报文并确认（协议必须步骤）
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bool handshakeSuccess = await PerformHandshakeAsync(stoppingToken);
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if (!handshakeSuccess)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 握手失败，关闭连接准备重连");
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DisconnectFromScrewGun();
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await Task.Delay(_reconnectInterval, stoppingToken);
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continue;
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}
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// 3. 并行执行：心跳维持 + 全报文批量测试 + 常规测试指令
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var taskArray = new[]
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{
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KeepHeartbeatContinuousAsync(stoppingToken),
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SendBatchAllMessagesTestAsync(stoppingToken),
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SendTestCommandAndReceiveResultAsync(stoppingToken)
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};
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await Task.WhenAny(taskArray);
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 核心任务退出，准备重连");
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}
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catch (OperationCanceledException)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] PF6螺丝枪通讯服务收到停止指令，正在退出...");
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break;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] PF6螺丝枪通讯服务运行异常，准备重连：{ex.Message}");
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}
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finally
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{
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DisconnectFromScrewGun();
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 当前连接已断开，等待重连...");
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if (!stoppingToken.IsCancellationRequested)
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{
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await Task.Delay(_reconnectInterval, stoppingToken);
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}
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}
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}
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] PF6螺丝枪通讯服务已停止");
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}
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/// <summary>
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/// 带重试机制的TCP连接（遵循协议重试次数配置）
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/// </summary>
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private async Task<bool> ConnectWithRetryAsync(CancellationToken stoppingToken)
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{
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int retryCount = 0;
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while (retryCount < MaxRetries && !stoppingToken.IsCancellationRequested)
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{
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try
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 第{retryCount + 1}次尝试连接螺丝枪：{_screwGunIp}:{_screwGunPort}");
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// 重置TcpClient状态
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if (_tcpClient.Connected)
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{
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_tcpClient.Close();
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}
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_tcpClient?.Dispose();
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_tcpClient = new TcpClient();
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_tcpClient.ReceiveTimeout = LinkTimeout;
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_tcpClient.SendTimeout = LinkTimeout;
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// 建立连接（设置连接超时，避免无限等待）
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var connectTask = _tcpClient.ConnectAsync(_screwGunIp, _screwGunPort);
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var timeoutTask = Task.Delay(LinkTimeout * 2, stoppingToken);
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var completedTask = await Task.WhenAny(connectTask, timeoutTask);
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if (completedTask == timeoutTask)
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{
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throw new TimeoutException("连接超时（超过2000ms）");
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}
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// 初始化网络流（配置超时参数与协议一致）
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_networkStream = _tcpClient.GetStream();
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_networkStream.ReadTimeout = AppCommandTimeout;
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_networkStream.WriteTimeout = AppCommandTimeout;
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 螺丝枪TCP连接成功！（链路超时：{LinkTimeout}ms，指令超时：{AppCommandTimeout}ms）");
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return true;
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}
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catch (Exception ex)
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{
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retryCount++;
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 第{retryCount}次连接失败：{ex.Message}");
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if (retryCount < MaxRetries)
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{
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await Task.Delay(1000 * retryCount, stoppingToken); // 重试间隔递增（1s→2s→3s）
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}
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}
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}
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return false;
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}
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/// <summary>
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/// 协议握手流程（发送MID=0001，等待控制器确认）
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/// </summary>
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private async Task<bool> PerformHandshakeAsync(CancellationToken stoppingToken)
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{
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try
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{
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// 构建握手报文（严格遵循文档格式）
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var handshakeMessage = BuildStandardMessage(HandshakeMid);
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 准备发送握手报文（MID=0001），报文内容：{handshakeMessage}");
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// 发送握手报文（带重试）
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bool sendSuccess = await SendMessageWithRetryAsync(handshakeMessage, stoppingToken, "握手");
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if (!sendSuccess)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 握手报文发送失败（已重试{MaxRetries}次）");
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return false;
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}
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// 接收握手响应（文档响应报文可能较长，需完整接收）
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 等待握手响应（超时：{AppCommandTimeout}ms）");
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var handshakeResponse = await ReceiveMessageAsync(stoppingToken, "握手");
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// 校验响应有效性
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if (string.IsNullOrEmpty(handshakeResponse))
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 握手响应为空，无效");
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return false;
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}
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if (!handshakeResponse.EndsWith(MessageEndFlag))
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 握手响应未包含结束标识（{MessageEndFlag}），响应内容：{handshakeResponse}");
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return false;
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}
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 握手成功！响应报文：{handshakeResponse}（长度：{handshakeResponse.Length}）");
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return true;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 握手过程异常：{ex.Message}");
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return false;
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}
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}
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/// <summary>
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/// 持续发送心跳（协议要求10秒间隔，无响应需重连）
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/// </summary>
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private async Task KeepHeartbeatContinuousAsync(CancellationToken stoppingToken)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 心跳任务启动（间隔：{_heartbeatInterval.TotalSeconds}秒），仅确保发送成功，不强制要求响应");
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while (!stoppingToken.IsCancellationRequested && _tcpClient.Connected)
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{
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try
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{
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var heartbeatMessage = BuildStandardMessage(HeartbeatMid);
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bool sendSuccess = await SendMessageWithRetryAsync(heartbeatMessage, stoppingToken, "心跳");
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if (sendSuccess)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 心跳报文发送成功（MID=9999），报文内容：{heartbeatMessage}");
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}
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else
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 心跳报文发送失败（已重试{MaxRetries}次），终止心跳任务");
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break;
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}
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await Task.Delay(_heartbeatInterval, stoppingToken);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 心跳交互异常，终止心跳任务：{ex.Message}");
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break;
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}
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}
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}
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/// <summary>
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/// 常规测试指令发送与响应接收（MID=0610）
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/// </summary>
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private async Task SendTestCommandAndReceiveResultAsync(CancellationToken stoppingToken)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 常规测试任务启动（间隔：{_testCommandInterval.TotalSeconds}秒，MID=0610）");
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while (!stoppingToken.IsCancellationRequested && _tcpClient.Connected)
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{
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try
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{
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// 构建测试拧紧指令（额外数据"0101"为测试参数）
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var testMessage = BuildStandardMessage(TestTightenMid, "0101");
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 准备发送常规测试指令（MID=0610），报文内容：{testMessage}");
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// 发送指令（带重试）
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bool sendSuccess = await SendMessageWithRetryAsync(testMessage, stoppingToken, "常规测试拧紧");
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if (!sendSuccess)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 常规测试指令发送失败（已重试{MaxRetries}次），延迟5秒重试");
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await Task.Delay(5000, stoppingToken);
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continue;
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}
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// 接收响应（文档响应可能包含多个字段，需完整读取）
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var testResponse = await ReceiveMessageAsync(stoppingToken, "常规测试拧紧");
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 常规测试指令响应成功！响应内容：{testResponse}（长度：{testResponse.Length}）");
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await Task.Delay(_testCommandInterval, stoppingToken);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 常规测试指令交互异常，延迟后重试：{ex.Message}");
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await Task.Delay(3000, stoppingToken);
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}
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}
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}
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/// <summary>
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/// 批量发送所有已定义报文（用于完整调试，包含所有功能）
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/// </summary>
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|
|
private async Task SendBatchAllMessagesTestAsync(CancellationToken stoppingToken)
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 全报文批量测试任务启动（间隔：{_batchTestInterval.TotalSeconds}秒）");
|
|||
|
|
while (!stoppingToken.IsCancellationRequested && _tcpClient.Connected)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] ============== 开始全报文批量测试 ==============");
|
|||
|
|
|
|||
|
|
// 1. 参数组查询（MID=0005，查询全部参数组，额外数据为空）
|
|||
|
|
await SendSingleMessageWithResponseAsync(PsetQueryMid, "", "参数组查询（MID=0005）", stoppingToken);
|
|||
|
|
await Task.Delay(2000, stoppingToken); // 间隔2秒，避免报文拥堵
|
|||
|
|
|
|||
|
|
// 2. 参数组查询（MID=0005，查询指定参数组ID=01）
|
|||
|
|
await SendSingleMessageWithResponseAsync(PsetQueryMid, "01", "参数组查询（MID=0005，指定ID=01）", stoppingToken);
|
|||
|
|
await Task.Delay(2000, stoppingToken);
|
|||
|
|
|
|||
|
|
// 3. 拧紧结果查询（MID=0620，查询全部结果）
|
|||
|
|
await SendSingleMessageWithResponseAsync(TightenResultMid, "", "拧紧结果查询（MID=0620）", stoppingToken);
|
|||
|
|
await Task.Delay(2000, stoppingToken);
|
|||
|
|
|
|||
|
|
// 4. 拧紧结果查询（MID=0620，查询指定SN=0001）
|
|||
|
|
await SendSingleMessageWithResponseAsync(TightenResultMid, "0001", "拧紧结果查询（MID=0620，指定SN=0001）", stoppingToken);
|
|||
|
|
await Task.Delay(2000, stoppingToken);
|
|||
|
|
|
|||
|
|
// 5. 测试拧紧（MID=0610，额外参数=0202）
|
|||
|
|
await SendSingleMessageWithResponseAsync(TestTightenMid, "0202", "测试拧紧（MID=0610，参数=0202）", stoppingToken);
|
|||
|
|
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] ============== 全报文批量测试结束 ==============\n");
|
|||
|
|
await Task.Delay(_batchTestInterval, stoppingToken);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 全报文批量测试异常：{ex.Message}\n");
|
|||
|
|
await Task.Delay(10000, stoppingToken);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 发送单个报文并接收响应（封装通用逻辑，简化批量测试）
|
|||
|
|
/// </summary>
|
|||
|
|
private async Task SendSingleMessageWithResponseAsync(string mid, string extraData, string messageDesc, CancellationToken stoppingToken)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
// 构建报文
|
|||
|
|
var message = BuildStandardMessage(mid, extraData);
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 准备发送 {messageDesc}，报文内容：{message}");
|
|||
|
|
|
|||
|
|
// 发送报文
|
|||
|
|
bool sendSuccess = await SendMessageWithRetryAsync(message, stoppingToken, messageDesc);
|
|||
|
|
if (!sendSuccess)
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] {messageDesc} 发送失败（已重试{MaxRetries}次）");
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 接收响应
|
|||
|
|
var response = await ReceiveMessageAsync(stoppingToken, messageDesc);
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] {messageDesc} 响应成功！响应内容：{response}（长度：{response.Length}）");
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] {messageDesc} 交互异常：{ex.Message}");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 构建标准PF6协议报文（严格遵循文档格式要求，增加参数校验）
|
|||
|
|
/// </summary>
|
|||
|
|
private string BuildStandardMessage(string mid, string extraData = "")
|
|||
|
|
{
|
|||
|
|
// 前置严格校验，避免无效报文
|
|||
|
|
if (string.IsNullOrEmpty(mid))
|
|||
|
|
{
|
|||
|
|
throw new ArgumentNullException(nameof(mid), "指令MID不能为空（PF6协议要求4位字符）");
|
|||
|
|
}
|
|||
|
|
if (mid.Length != 4)
|
|||
|
|
{
|
|||
|
|
throw new ArgumentException($"MID必须为4位字符（当前MID：{mid}，长度：{mid.Length}）", nameof(mid));
|
|||
|
|
}
|
|||
|
|
// 额外数据避免过长，防止填充后超出长度限制
|
|||
|
|
if (!string.IsNullOrEmpty(extraData) && extraData.Length > 8)
|
|||
|
|
{
|
|||
|
|
throw new ArgumentException("额外数据长度不能超过8位（避免超出报文总长度限制）", nameof(extraData));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var messageBuilder = new StringBuilder();
|
|||
|
|
// 拼接格式：固定前缀 + MID + 版本号 + 额外数据 + 填充符 + 结束标识
|
|||
|
|
messageBuilder.Append(MessagePrefix)
|
|||
|
|
.Append(mid)
|
|||
|
|
.Append(ProtocolVersion)
|
|||
|
|
.Append(extraData);
|
|||
|
|
|
|||
|
|
// 补全填充字符（确保总长达到20-2=18字节，预留结束标识位置）
|
|||
|
|
while (messageBuilder.Length < MessageTotalLength - MessageEndFlag.Length)
|
|||
|
|
{
|
|||
|
|
messageBuilder.Append(FillChar);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 追加结束标识
|
|||
|
|
messageBuilder.Append(MessageEndFlag);
|
|||
|
|
|
|||
|
|
// 长度校验（严格保证20字节，协议强制要求）
|
|||
|
|
if (messageBuilder.Length != MessageTotalLength)
|
|||
|
|
{
|
|||
|
|
throw new InvalidOperationException($"构建的报文长度不符合PF6协议要求，预期{MessageTotalLength}位，实际{messageBuilder.Length}位，报文内容：{messageBuilder.ToString()}");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 报文构建成功（MID={mid}），长度：{messageBuilder.Length}位，内容：{messageBuilder.ToString()}");
|
|||
|
|
return messageBuilder.ToString();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 发送报文（带重试机制，遵循协议重试次数，增加报文描述日志）
|
|||
|
|
/// </summary>
|
|||
|
|
private async Task<bool> SendMessageWithRetryAsync(string message, CancellationToken stoppingToken, string messageDesc)
|
|||
|
|
{
|
|||
|
|
int retryCount = 0;
|
|||
|
|
while (retryCount < MaxRetries && !stoppingToken.IsCancellationRequested && _tcpClient.Connected)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var sendData = Encoding.ASCII.GetBytes(message);
|
|||
|
|
await _networkStream.WriteAsync(sendData, 0, sendData.Length, stoppingToken);
|
|||
|
|
await _networkStream.FlushAsync(stoppingToken);
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] {messageDesc} 报文发送成功（字节数：{sendData.Length}）");
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
retryCount++;
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] {messageDesc} 报文发送重试{retryCount}次：{ex.Message}");
|
|||
|
|
if (retryCount < MaxRetries)
|
|||
|
|
{
|
|||
|
|
await Task.Delay(500, stoppingToken); // 每次重试间隔500ms
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 接收报文（支持动态长度，处理协议响应格式，增加报文描述日志）
|
|||
|
|
/// </summary>
|
|||
|
|
private async Task<string> ReceiveMessageAsync(CancellationToken stoppingToken, string messageDesc)
|
|||
|
|
{
|
|||
|
|
if (!_tcpClient.Connected || _networkStream == null)
|
|||
|
|
{
|
|||
|
|
throw new InvalidOperationException("未与螺丝枪建立有效TCP连接，无法接收报文");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var receiveBuffer = new byte[ReceiveBufferSize];
|
|||
|
|
var totalBytesRead = 0;
|
|||
|
|
var responseBuilder = new StringBuilder();
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
// 循环读取直到收到结束标识或超时
|
|||
|
|
while (!stoppingToken.IsCancellationRequested)
|
|||
|
|
{
|
|||
|
|
var bytesRead = await _networkStream.ReadAsync(receiveBuffer, 0, receiveBuffer.Length, stoppingToken);
|
|||
|
|
if (bytesRead == 0)
|
|||
|
|
{
|
|||
|
|
throw new SocketException((int)SocketError.ConnectionReset);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
totalBytesRead += bytesRead;
|
|||
|
|
var segment = Encoding.ASCII.GetString(receiveBuffer, 0, bytesRead).TrimEnd('\0', ' ');
|
|||
|
|
responseBuilder.Append(segment);
|
|||
|
|
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 接收{messageDesc}响应片段，读取字节数：{bytesRead}，累计字节数：{totalBytesRead}，片段内容：{segment}");
|
|||
|
|
|
|||
|
|
// 检查是否包含结束标识（协议结束标志"00"）
|
|||
|
|
if (responseBuilder.ToString().EndsWith(MessageEndFlag))
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 接收{messageDesc}响应完成（已检测到结束标识{MessageEndFlag}）");
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 防止缓冲区溢出
|
|||
|
|
if (totalBytesRead >= ReceiveBufferSize)
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 接收{messageDesc}响应超过缓冲区上限（{ReceiveBufferSize}字节），停止读取");
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var finalResponse = responseBuilder.ToString().TrimEnd('\0', ' ');
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] {messageDesc} 响应处理完成，最终内容长度：{finalResponse.Length}");
|
|||
|
|
return finalResponse;
|
|||
|
|
}
|
|||
|
|
catch (TimeoutException)
|
|||
|
|
{
|
|||
|
|
// 心跳响应可能超时，返回已接收数据
|
|||
|
|
var partialData = responseBuilder.ToString().TrimEnd('\0', ' ');
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 接收{messageDesc}响应超时，已接收部分数据：{partialData}（长度：{partialData.Length}）");
|
|||
|
|
return partialData;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 构建PF6协议参数组查询报文（MID=0005，封装专用方法，提高可读性）
|
|||
|
|
/// </summary>
|
|||
|
|
private string BuildPsetQueryMessage(string psetId = "")
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 构建参数组查询报文，参数组ID：{(string.IsNullOrEmpty(psetId) ? "全部" : psetId)}");
|
|||
|
|
return BuildStandardMessage(PsetQueryMid, psetId);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 构建PF6协议拧紧结果查询报文（MID=0620，封装专用方法，提高可读性）
|
|||
|
|
/// </summary>
|
|||
|
|
private string BuildTightenResultQueryMessage(string snCode = "")
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 构建拧紧结果查询报文，产品SN：{(string.IsNullOrEmpty(snCode) ? "全部" : snCode)}");
|
|||
|
|
return BuildStandardMessage(TightenResultMid, snCode); // 绑定正确MID=0620，支持自定义SN码
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 断开连接并释放资源（增加详细日志，避免资源泄漏）
|
|||
|
|
/// </summary>
|
|||
|
|
private void DisconnectFromScrewGun()
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 准备断开与螺丝枪的连接，释放相关资源");
|
|||
|
|
|
|||
|
|
_networkStream?.Dispose();
|
|||
|
|
_networkStream = null;
|
|||
|
|
|
|||
|
|
if (_tcpClient.Connected)
|
|||
|
|
{
|
|||
|
|
_tcpClient.Close();
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] TCP连接已主动关闭");
|
|||
|
|
}
|
|||
|
|
_tcpClient?.Dispose();
|
|||
|
|
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 资源释放完成");
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
Console.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] 断开连接时发生异常：{ex.Message}");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 释放资源（重写BackgroundService的Dispose方法）
|
|||
|
|
/// </summary>
|
|||
|
|
public override void Dispose()
|
|||
|
|
{
|
|||
|
|
DisconnectFromScrewGun();
|
|||
|
|
base.Dispose();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|