2026-01-15 09:31:57 +08:00
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//using System.Text;
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//using MessagePack;
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//using Microsoft.Extensions.Hosting;
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//using NetMQ;
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//using NetMQ.Monitoring; // ★ 1. 必须引用 Monitoring 命名空间
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//using NetMQ.Sockets;
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//using SHH.CameraSdk;
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//using SHH.Contracts;
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//namespace SHH.CameraService;
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//public class CommandClientWorker : BackgroundService
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//{
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// private readonly ServiceConfig _config;
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// private readonly CommandDispatcher _dispatcher;
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// private readonly InterceptorPipeline _pipeline;
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// // 管理多个 Socket
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// private readonly List<DealerSocket> _sockets = new();
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// // ★ 2. 新增:保存 Monitor 列表,防止被 GC 回收
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// private readonly List<NetMQMonitor> _monitors = new();
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// private NetMQPoller? _poller;
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// public CommandClientWorker(
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// ServiceConfig config,
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// CommandDispatcher dispatcher,
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// InterceptorPipeline pipeline)
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// {
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// _config = config;
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// _dispatcher = dispatcher;
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// _pipeline = pipeline;
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// }
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// protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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// {
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// await Task.Yield();
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// if (!_config.ShouldConnect || _config.CommandEndpoints.Count == 0) return;
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// _poller = new NetMQPoller();
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// // -------------------------------------------------------------
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// // 核心修改区:建立连接并挂载监控器
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// // -------------------------------------------------------------
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// foreach (var ep in _config.CommandEndpoints)
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// {
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// try
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// {
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// var socket = new DealerSocket();
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// socket.Options.Identity = Encoding.UTF8.GetBytes(_config.AppId);
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// var monitorUrl = $"inproc://monitor_{Guid.NewGuid():N}";
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// var monitor = new NetMQMonitor(socket, monitorUrl, SocketEvents.Connected);
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// monitor.Connected += async (s, args) =>
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// {
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// Console.WriteLine($"[指令] 网络连接建立: {ep.Uri} -> 正在补发注册包...");
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// await SendRegisterAsync(socket);
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// };
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// // ★★★ 修正点:使用 AttachToPoller 代替 Add ★★★
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// // 错误写法: _poller.Add(monitor);
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// monitor.AttachToPoller(_poller);
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// // 依然需要保存引用,防止被 GC 回收
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// _monitors.Add(monitor);
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// socket.Connect(ep.Uri);
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// socket.ReceiveReady += OnSocketReceiveReady;
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// _sockets.Add(socket);
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// _poller.Add(socket);
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// Console.WriteLine($"[指令] 通道初始化完成: {ep.Uri} (带自动重连监控)");
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine($"[指令] 连接初始化异常: {ex.Message}");
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// }
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// }
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// if (_sockets.Count == 0) return;
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// // =================================================================
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// // 6. 绑定 ACK 逻辑 (保持不变)
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// // =================================================================
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// _dispatcher.OnResponseReady += async (result) =>
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// {
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// try
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// {
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// byte[] resultBytes = MessagePackSerializer.Serialize(result);
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// var ctx = await _pipeline.ExecuteSendAsync(ProtocolHeaders.CommandResult, resultBytes);
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// if (ctx != null)
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// {
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// foreach (var socket in _sockets)
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// {
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// socket.SendMoreFrame(ctx.Protocol).SendFrame(ctx.Data);
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// }
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// Console.WriteLine($"[指令] ACK 已广播 (ID: {result.RequestId})");
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// }
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine($"[ACK] 发送失败: {ex.Message}");
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// }
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// };
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// // =================================================================
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// // 7. 启动 Poller
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// // =================================================================
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// // 注意:我们不需要手动发第一次注册包了,
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// // 因为 Poller 启动后,底层 TCP 会建立连接,从而触发 monitor.Connected 事件,
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// // 事件里会自动发送注册包。这就是“自动档”的好处。
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// _poller.RunAsync();
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// // 阻塞直到取消
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// while (!stoppingToken.IsCancellationRequested)
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// {
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// await Task.Delay(1000, stoppingToken);
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// }
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// // 清理
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// _poller.Stop();
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// _poller.Dispose();
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// foreach (var m in _monitors) m.Dispose(); // 释放监控器
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// foreach (var s in _sockets) s.Dispose();
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// }
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// // =================================================================
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// // ★ 8. 抽离出的注册包发送逻辑 (供 Monitor 调用)
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// // =================================================================
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// private async Task SendRegisterAsync(DealerSocket targetSocket)
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// {
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// try
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// {
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// var registerPayload = new RegisterPayload
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// {
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// Protocol = ProtocolHeaders.ServerRegister,
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// InstanceId = _config.AppId,
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// ProcessId = Environment.ProcessId,
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// Version = "1.0.0",
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// ServerIp = "127.0.0.1", // 建议优化:获取本机真实IP
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// WebApiPort = _config.BasePort,
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// StartTime = DateTime.Now
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// };
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// byte[] regData = MessagePackSerializer.Serialize(registerPayload);
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// // 执行拦截器
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// var ctx = await _pipeline.ExecuteSendAsync(ProtocolHeaders.ServerRegister, regData);
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// if (ctx != null)
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// {
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// // 直接向触发事件的那个 Socket 发送
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// // DealerSocket 允许在连接未完全就绪时 Send,它会缓存直到网络通畅
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// targetSocket.SendMoreFrame(ctx.Protocol).SendFrame(ctx.Data);
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// // Console.WriteLine($"[指令] 身份注册包已推入队列: {targetSocket.Options.Identity}");
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// }
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine($"[指令] 注册包发送失败: {ex.Message}");
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// }
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// }
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// private async void OnSocketReceiveReady(object? sender, NetMQSocketEventArgs e)
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// {
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// NetMQMessage incomingMsg = new NetMQMessage();
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// if (e.Socket.TryReceiveMultipartMessage(ref incomingMsg))
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// {
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// if (incomingMsg.FrameCount >= 2)
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// {
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// try
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// {
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// string rawProtocol = incomingMsg[0].ConvertToString();
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// byte[] rawData = incomingMsg[1].ToByteArray();
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// var ctx = await _pipeline.ExecuteReceiveAsync(rawProtocol, rawData);
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// if (ctx != null)
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// {
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// await _dispatcher.DispatchAsync(ctx.Protocol, ctx.Data);
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// }
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine($"[指令] 处理异常: {ex.Message}");
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// }
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// }
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// }
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// }
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//}
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