新通讯图像协议对接成功

SHH.CameraService/Core/CmdClients/CommandClientWorker.cs

@@ -1,194 +0,0 @@
-//using System.Text;
-//using MessagePack;
-//using Microsoft.Extensions.Hosting;
-//using NetMQ;
-//using NetMQ.Monitoring; // ★ 1. 必须引用 Monitoring 命名空间
-//using NetMQ.Sockets;
-//using SHH.CameraSdk;
-//using SHH.Contracts;
-
-//namespace SHH.CameraService;
-
-//public class CommandClientWorker : BackgroundService
-//{
-//    private readonly ServiceConfig _config;
-//    private readonly CommandDispatcher _dispatcher;
-//    private readonly InterceptorPipeline _pipeline;
-
-//    // 管理多个 Socket
-//    private readonly List<DealerSocket> _sockets = new();
-
-//    // ★ 2. 新增：保存 Monitor 列表，防止被 GC 回收
-//    private readonly List<NetMQMonitor> _monitors = new();
-
-//    private NetMQPoller? _poller;
-
-//    public CommandClientWorker(
-//        ServiceConfig config,
-//        CommandDispatcher dispatcher,
-//        InterceptorPipeline pipeline)
-//    {
-//        _config = config;
-//        _dispatcher = dispatcher;
-//        _pipeline = pipeline;
-//    }
-
-//    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
-//    {
-//        await Task.Yield();
-
-//        if (!_config.ShouldConnect || _config.CommandEndpoints.Count == 0) return;
-
-//        _poller = new NetMQPoller();
-
-//        // -------------------------------------------------------------
-//        // 核心修改区：建立连接并挂载监控器
-//        // -------------------------------------------------------------
-//        foreach (var ep in _config.CommandEndpoints)
-//        {
-//            try
-//            {
-//                var socket = new DealerSocket();
-//                socket.Options.Identity = Encoding.UTF8.GetBytes(_config.AppId);
-
-//                var monitorUrl = $"inproc://monitor_{Guid.NewGuid():N}";
-//                var monitor = new NetMQMonitor(socket, monitorUrl, SocketEvents.Connected);
-
-//                monitor.Connected += async (s, args) =>
-//                {
-//                    Console.WriteLine($"[指令] 网络连接建立: {ep.Uri} -> 正在补发注册包...");
-//                    await SendRegisterAsync(socket);
-//                };
-
-//                // ★★★ 修正点：使用 AttachToPoller 代替 Add ★★★
-//                // 错误写法: _poller.Add(monitor); 
-//                monitor.AttachToPoller(_poller);
-
-//                // 依然需要保存引用，防止被 GC 回收
-//                _monitors.Add(monitor);
-
-//                socket.Connect(ep.Uri);
-//                socket.ReceiveReady += OnSocketReceiveReady;
-
-//                _sockets.Add(socket);
-//                _poller.Add(socket);
-
-//                Console.WriteLine($"[指令] 通道初始化完成: {ep.Uri} (带自动重连监控)");
-//            }
-//            catch (Exception ex)
-//            {
-//                Console.WriteLine($"[指令] 连接初始化异常: {ex.Message}");
-//            }
-//        }
-
-//        if (_sockets.Count == 0) return;
-
-//        // =================================================================
-//        // 6. 绑定 ACK 逻辑 (保持不变)
-//        // =================================================================
-//        _dispatcher.OnResponseReady += async (result) =>
-//        {
-//            try
-//            {
-//                byte[] resultBytes = MessagePackSerializer.Serialize(result);
-//                var ctx = await _pipeline.ExecuteSendAsync(ProtocolHeaders.CommandResult, resultBytes);
-
-//                if (ctx != null)
-//                {
-//                    foreach (var socket in _sockets)
-//                    {
-//                        socket.SendMoreFrame(ctx.Protocol).SendFrame(ctx.Data);
-//                    }
-//                    Console.WriteLine($"[指令] ACK 已广播 (ID: {result.RequestId})");
-//                }
-//            }
-//            catch (Exception ex)
-//            {
-//                Console.WriteLine($"[ACK] 发送失败: {ex.Message}");
-//            }
-//        };
-
-//        // =================================================================
-//        // 7. 启动 Poller
-//        // =================================================================
-//        // 注意：我们不需要手动发第一次注册包了，
-//        // 因为 Poller 启动后，底层 TCP 会建立连接，从而触发 monitor.Connected 事件，
-//        // 事件里会自动发送注册包。这就是“自动档”的好处。
-//        _poller.RunAsync();
-
-//        // 阻塞直到取消
-//        while (!stoppingToken.IsCancellationRequested)
-//        {
-//            await Task.Delay(1000, stoppingToken);
-//        }
-
-//        // 清理
-//        _poller.Stop();
-//        _poller.Dispose();
-//        foreach (var m in _monitors) m.Dispose(); // 释放监控器
-//        foreach (var s in _sockets) s.Dispose();
-//    }
-
-//    // =================================================================
-//    // ★ 8. 抽离出的注册包发送逻辑 (供 Monitor 调用)
-//    // =================================================================
-//    private async Task SendRegisterAsync(DealerSocket targetSocket)
-//    {
-//        try
-//        {
-//            var registerPayload = new RegisterPayload
-//            {
-//                Protocol = ProtocolHeaders.ServerRegister,
-//                InstanceId = _config.AppId,
-//                ProcessId = Environment.ProcessId,
-//                Version = "1.0.0",
-//                ServerIp = "127.0.0.1", // 建议优化：获取本机真实IP
-//                WebApiPort = _config.BasePort,
-//                StartTime = DateTime.Now
-//            };
-
-//            byte[] regData = MessagePackSerializer.Serialize(registerPayload);
-
-//            // 执行拦截器
-//            var ctx = await _pipeline.ExecuteSendAsync(ProtocolHeaders.ServerRegister, regData);
-
-//            if (ctx != null)
-//            {
-//                // 直接向触发事件的那个 Socket 发送
-//                // DealerSocket 允许在连接未完全就绪时 Send，它会缓存直到网络通畅
-//                targetSocket.SendMoreFrame(ctx.Protocol).SendFrame(ctx.Data);
-//                // Console.WriteLine($"[指令] 身份注册包已推入队列: {targetSocket.Options.Identity}");
-//            }
-//        }
-//        catch (Exception ex)
-//        {
-//            Console.WriteLine($"[指令] 注册包发送失败: {ex.Message}");
-//        }
-//    }
-
-//    private async void OnSocketReceiveReady(object? sender, NetMQSocketEventArgs e)
-//    {
-//        NetMQMessage incomingMsg = new NetMQMessage();
-//        if (e.Socket.TryReceiveMultipartMessage(ref incomingMsg))
-//        {
-//            if (incomingMsg.FrameCount >= 2)
-//            {
-//                try
-//                {
-//                    string rawProtocol = incomingMsg[0].ConvertToString();
-//                    byte[] rawData = incomingMsg[1].ToByteArray();
-
-//                    var ctx = await _pipeline.ExecuteReceiveAsync(rawProtocol, rawData);
-//                    if (ctx != null)
-//                    {
-//                        await _dispatcher.DispatchAsync(ctx.Protocol, ctx.Data);
-//                    }
-//                }
-//                catch (Exception ex)
-//                {
-//                    Console.WriteLine($"[指令] 处理异常: {ex.Message}");
-//                }
-//            }
-//        }
-//    }
-//}

SHH.CameraService/Core/CmdClients/CommandDispatcher.cs

@@ -1,91 +0,0 @@
-// 文件: Core\CmdClients\CommandDispatcher.cs
-
-using MessagePack;
-using Newtonsoft.Json.Linq;
-using SHH.Contracts;
-using System.Text;
-
-namespace SHH.CameraService;
-
-public class CommandDispatcher
-{
-    // 1. 注入路由表
-    private readonly Dictionary<string, ICommandHandler> _handlers;
-
-    // 2. 定义回执事件 (ACK闭环的核心)
-    public event Action<CommandResult>? OnResponseReady;
-
-    // 3. 构造函数：注入所有 Handler
-    public CommandDispatcher(IEnumerable<ICommandHandler> handlers)
-    {
-        // 将注入的 Handler 转换为字典，Key = ActionName (e.g. "SyncCamera")
-        _handlers = handlers.ToDictionary(h => h.ActionName, h => h, StringComparer.OrdinalIgnoreCase);
-    }
-
-    public async Task DispatchAsync(string protocol, byte[] data)
-    {
-        try
-        {
-            // 只处理 COMMAND 协议
-            if (protocol != ProtocolHeaders.Command) return;
-
-            // 反序列化信封
-            var envelope = MessagePackSerializer.Deserialize<CommandPayload>(data);
-            if (envelope == null) return;
-
-            string cmdCode = envelope.CmdCode; // e.g. "SyncCamera"
-            Console.WriteLine($"[分发] 收到指令: {cmdCode} (ID: {envelope.RequestId})");
-
-            bool isSuccess = true;
-            string message = "OK";
-
-            // --- 路由匹配逻辑 ---
-            if (_handlers.TryGetValue(cmdCode, out var handler))
-            {
-                try
-                {
-                    // 数据适配：你的 Handler 需要 JToken
-                    // 如果 envelope.JsonParams 是空的，传个空对象防止报错
-                    var jsonStr = string.IsNullOrEmpty(envelope.JsonParams) ? "{}" : envelope.JsonParams;
-                    var token = JToken.Parse(jsonStr);
-
-                    // ★★★ 核心：调用 SyncCameraHandler.ExecuteAsync ★★★
-                    await handler.ExecuteAsync(token);
-
-                    message = $"Executed {cmdCode}";
-                }
-                catch (Exception ex)
-                {
-                    isSuccess = false;
-                    message = $"Handler Error: {ex.Message}";
-                    Console.WriteLine($"[业务异常] {message}");
-                }
-            }
-            else
-            {
-                isSuccess = false;
-                message = $"No handler found for {cmdCode}";
-                Console.WriteLine($"[警告] {message}");
-            }
-
-            // --- ACK 闭环逻辑 ---
-            if (envelope.RequireAck)
-            {
-                var result = new CommandResult
-                {
-                    Protocol = ProtocolHeaders.CommandResult,
-                    RequestId = envelope.RequestId, // 必须带回 ID
-                    Success = isSuccess,
-                    Message = message,
-                    Timestamp = DateTime.Now.Ticks
-                };
-                // 触发事件
-                OnResponseReady?.Invoke(result);
-            }
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"[Dispatcher] 致命错误: {ex.Message}");
-        }
-    }
-}

SHH.CameraService/Core/CmdClients/ConnectedClient.cs

@@ -1,30 +0,0 @@
-namespace SHH.CameraService;
-
-/// <summary>
-/// 在线客户端信息模型 (已更新)
-/// </summary>
-public class ConnectedClient
-{
-    /// <summary> 唯一标识 (AppId) </summary>
-    public string ServiceId { get; set; } = string.Empty;
-
-    /// <summary> 版本号 </summary>
-    public string Version { get; set; } = "1.0.0";
-
-    /// <summary> 远程进程 ID </summary>
-    public int Pid { get; set; }
-
-    /// <summary> 客户端 IP </summary>
-    public string Ip { get; set; } = string.Empty;
-
-    /// <summary> WebAPI 端口 (Dashboard 调用 REST 接口用) </summary>
-    public int WebPort { get; set; }
-
-    /// <summary> 该客户端正在推流的目标地址 </summary>
-    public List<string> TargetVideoNodes { get; set; } = new List<string>();
-
-    public DateTime LastHeartbeat { get; set; }
-
-    // 辅助属性：拼接出完整的 API BaseUrl
-    public string WebApiUrl => $"http://{Ip}:{WebPort}";
-}

SHH.CameraService/Core/CommandDispatcher.cs

@@ -0,0 +1,66 @@
+using Newtonsoft.Json.Linq;
+using SHH.Contracts.Grpc;
+
+namespace SHH.CameraService;
+
+/// <summary>
+/// gRPC 指令分发器
+/// 职责：接收从 GrpcCommandReceiverWorker 传入的 Proto 消息，解析参数并路由至具体的 Handler。
+/// </summary>
+public class CommandDispatcher
+{
+    private readonly Dictionary<string, ICommandHandler> _handlers;
+
+    /// <summary>
+    /// 构造函数：通过 DI 注入所有已注册的处理器 (SyncCameraHandler, RemoveCameraHandler 等)
+    /// </summary>
+    public CommandDispatcher(IEnumerable<ICommandHandler> handlers)
+    {
+        // 将处理器列表转换为字典，方便 O(1) 查询
+        _handlers = handlers.ToDictionary(
+            h => h.ActionName,
+            h => h,
+            StringComparer.OrdinalIgnoreCase);
+    }
+
+    /// <summary>
+    /// 执行指令分发
+    /// </summary>
+    /// <param name="protoMsg">从 gRPC Server Streaming 接收到的原始 Proto 指令对象</param>
+    public async Task DispatchAsync(CommandPayloadProto protoMsg)
+    {
+        if (protoMsg == null) return;
+
+        string cmdCode = protoMsg.CmdCode; // 例如 "Sync_Camera"
+        Console.WriteLine($"[Dispatcher] 收到远程指令: {cmdCode}, 请求ID: {protoMsg.RequestId}");
+
+        try
+        {
+            // 1. 查找对应的处理器
+            if (_handlers.TryGetValue(cmdCode, out var handler))
+            {
+                // 2. 参数转换：将 Proto 里的 JSON 字符串转换为原有 Handler 需要的 JToken
+                // 这样你之前的 SyncCameraHandler 代码不需要做任何逻辑改动即可直接复用
+                var jsonStr = string.IsNullOrWhiteSpace(protoMsg.JsonParams) ? "{}" : protoMsg.JsonParams;
+                var token = JToken.Parse(jsonStr);
+
+                // 3. 调用具体业务执行
+                await handler.ExecuteAsync(token);
+
+                Console.WriteLine($"[Dispatcher] 指令 {cmdCode} 执行成功。");
+            }
+            else
+            {
+                Console.WriteLine($"[Dispatcher Warning] 未找到指令处理器: {cmdCode}");
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[Dispatcher Error] 执行指令 {cmdCode} 异常: {ex.Message}");
+        }
+
+        // 注意：关于 ACK (require_ack)
+        // 在 NetMQ 时代需要手动回发结果，在 gRPC Server Streaming 模式下，
+        // 建议通过 Unary RPC (例如另设一个 ReportCommandResult 方法) 异步上报执行结果。
+    }
+}

SHH.CameraService/Core/NetSenders/NetMQProtocolExtensions.cs

@@ -1,87 +0,0 @@
-//using MessagePack;
-//using NetMQ;
-//using SHH.Contracts;
-
-//namespace SHH.CameraService
-//{
-//    /// <summary>
-//    /// 负责将业务契约转换为 ZeroMQ 传输协议
-//    /// </summary>
-//    public static class NetMQProtocolExtensions
-//    {
-//        private const string PROTOCOL_HEADER = "SHH_V1";
-
-//        /// <summary>
-//        /// 扩展方法：将 Payload 转为 NetMQMessage
-//        /// 使用方法：var msg = payload.ToNetMqMessage();
-//        /// </summary>
-//        public static NetMQMessage ToNetMqMessage(this VideoPayload payload)
-//        {
-//            var msg = new NetMQMessage();
-
-//            // Frame 0: 协议魔数
-//            msg.Append(PROTOCOL_HEADER);
-
-//            ////// Frame 1: 元数据 JSON
-//            ////msg.Append(payload.GetMetadataJson());
-
-//            // ★★★ 修复点：在序列化之前，手动更新 Payload 的标志位 ★★★
-//            payload.HasOriginalImage = (payload.OriginalImageBytes != null && payload.OriginalImageBytes.Length > 0);
-//            payload.HasTargetImage = (payload.TargetImageBytes != null && payload.TargetImageBytes.Length > 0);
-
-//            // Frame 1: Metadata (MessagePack)
-//            byte[] metaBytes = MessagePackSerializer.Serialize(payload);
-//            msg.Append(metaBytes);
-
-//            // Frame 2: 原始图 (保持帧位对齐，无数据则发空帧)
-//            if (payload.HasOriginalImage && payload.OriginalImageBytes != null)
-//                msg.Append(payload.OriginalImageBytes);
-//            else
-//                msg.Append(Array.Empty<byte>());
-
-//            // Frame 3: 处理图
-//            if (payload.HasTargetImage && payload.TargetImageBytes != null)
-//                msg.Append(payload.TargetImageBytes);
-//            else
-//                msg.Append(Array.Empty<byte>());
-
-//            return msg;
-//        }
-
-//        /// <summary>
-//        /// 扩展方法：从 NetMQMessage 还原 Payload
-//        /// </summary>
-//        public static VideoPayload ToVideoPayload(this NetMQMessage msg)
-//        {
-//            if (msg == null || msg.FrameCount < 2) return null;
-
-//            // Frame 0 Check
-//            if (msg[0].ConvertToString() != PROTOCOL_HEADER) return null;
-
-//            //// Frame 1: Metadata
-//            //string json = msg[1].ConvertToString();
-//            //var payload = VideoPayload.FromMetadataJson(json);
-
-//            // [新代码] 直接从二进制还原
-//            // ToByteArray() 虽然会产生一次拷贝，但对于 Metadata 这种小数据影响微乎其微
-//            // 相比 JSON 解析 String 的开销，这已经非常快了
-//            var payload = MessagePackSerializer.Deserialize<VideoPayload>(msg[1].ToByteArray());
-//            if (payload == null) return null;
-
-//            // Frame 2: Raw Image
-//            // 利用 BufferSize 避免不必要的内存拷贝，如果长度为0则跳过
-//            if (payload.HasOriginalImage && msg[2].BufferSize > 0)
-//            {
-//                payload.OriginalImageBytes = msg[2].ToByteArray();
-//            }
-
-//            // Frame 3: Processed Image
-//            if (payload.HasTargetImage && msg[3].BufferSize > 0)
-//            {
-//                payload.TargetImageBytes = msg[3].ToByteArray();
-//            }
-
-//            return payload;
-//        }
-//    }
-//}

SHH.CameraService/Grpc/CommandReceiverWorker.cs

@@ -1,123 +0,0 @@
-using Grpc.Core;
-using Grpc.Net.Client;
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
-using Newtonsoft.Json.Linq;
-using SHH.CameraSdk;
-using SHH.Contracts;
-using SHH.Contracts.Grpc; // 引用 Proto 生成的命名空间
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace SHH.CameraService
-{
-    /// <summary>
-    /// gRPC 指令接收后台服务
-    /// 负责：1. 逻辑注册 2. 维持指令长连接 3. 指令分发
-    /// </summary>
-    public class GrpcCommandReceiverWorker : BackgroundService
-    {
-        private readonly ILogger<GrpcCommandReceiverWorker> _logger;
-        private readonly ServiceConfig _config;
-        private readonly IEnumerable<ICommandHandler> _handlers; // 自动注入所有指令处理器
-
-        public GrpcCommandReceiverWorker(
-            ILogger<GrpcCommandReceiverWorker> logger,
-            ServiceConfig config,
-            IEnumerable<ICommandHandler> handlers)
-        {
-            _logger = logger;
-            _config = config;
-            _handlers = handlers;
-        }
-
-        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
-        {
-            // 给 SDK 和数据库留出几秒钟的加载时间
-            _logger.LogInformation("[gRPC Bus] 后台 Worker 准备就绪，3秒后发起连接...");
-            await Task.Delay(3000, stoppingToken);
-
-            while (!stoppingToken.IsCancellationRequested)
-            {
-                try
-                {
-                    // 1. 地址预处理 (将 127.0.0.1 强制转换为 localhost 解决 Unimplemented 问题)
-                    var ep = _config.CommandEndpoints.First();
-                    string targetUrl = ep.Uri.Replace("tcp://", "http://").Replace("127.0.0.1", "localhost");
-
-                    using var channel = GrpcChannel.ForAddress(targetUrl);
-                    var client = new GatewayProvider.GatewayProviderClient(channel);
-
-                    // --- 第一步：发起逻辑注册 (Unary) ---
-                    _logger.LogInformation("[gRPC Bus] 正在发起逻辑注册: {Url}", targetUrl);
-                    var regResp = await client.RegisterInstanceAsync(new RegisterRequest
-                    {
-                        InstanceId = _config.AppId,
-                        Version = "2.0.0-grpc",
-                        ServerIp = "127.0.0.1",
-                        StartTimeTicks = DateTime.Now.Ticks
-                    }, cancellationToken: stoppingToken);
-
-                    if (regResp.Success)
-                    {
-                        _logger.LogInformation("[gRPC Bus] 逻辑注册成功。正在开启长连接指令通道...");
-
-                        // --- 第二步：开启物理指令流 (Server Streaming) ---
-                        using var call = client.OpenCommandChannel(new CommandStreamRequest
-                        {
-                            InstanceId = _config.AppId
-                        }, cancellationToken: stoppingToken);
-
-                        // --- 第三步：阻塞式监听服务端推送 ---
-                        // 只要服务端通过 responseStream.WriteAsync 发消息，这里就会命中
-                        while (await call.ResponseStream.MoveNext(stoppingToken))
-                        {
-                            var protoMsg = call.ResponseStream.Current;
-                            _logger.LogInformation("[gRPC Bus] 收到远程指令: {CmdCode}", protoMsg.CmdCode);
-
-                            // 异步分发，不阻塞接收循环
-                            _ = DispatchCommandAsync(protoMsg);
-                        }
-                    }
-                }
-                catch (OperationCanceledException) { break; }
-                catch (Exception ex)
-                {
-                    _logger.LogError("[gRPC Bus] 链路异常，5秒后重试: {Msg}", ex.Message);
-                    await Task.Delay(5000, stoppingToken);
-                }
-            }
-        }
-
-        /// <summary>
-        /// 指令分发逻辑
-        /// </summary>
-        private async Task DispatchCommandAsync(CommandPayloadProto msg)
-        {
-            try
-            {
-                // 1. 寻找匹配的处理器 (SyncCameraHandler / RemoveCameraHandler)
-                var handler = _handlers.FirstOrDefault(h => h.ActionName == msg.CmdCode);
-
-                if (handler != null)
-                {
-                    // 2. 将 Proto 的参数转为 JToken，保持与原有处理器兼容
-                    var jsonParams = JToken.Parse(msg.JsonParams);
-                    await handler.ExecuteAsync(jsonParams);
-                    _logger.LogInformation("[gRPC Bus] 指令 {CmdCode} 执行完成", msg.CmdCode);
-                }
-                else
-                {
-                    _logger.LogWarning("[gRPC Bus] 未找到处理 {CmdCode} 的处理器", msg.CmdCode);
-                }
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "[gRPC Bus] 指令执行失败: {CmdCode}", msg.CmdCode);
-            }
-        }
-    }
-}

SHH.CameraService/GrpcImpls/Handlers/DeviceConfigHandler.cs

@@ -7,7 +7,7 @@ namespace SHH.CameraService;
 /// <summary>
 /// 同步设备配置处理器
 /// </summary>
-public class SyncCameraHandler : ICommandHandler
+public class DeviceConfigHandler : ICommandHandler
 {
     private readonly CameraManager _cameraManager;
 
@@ -20,7 +20,7 @@ public class SyncCameraHandler : ICommandHandler
     /// 构造函数
     /// </summary>
     /// <param name="cameraManager"></param>
-    public SyncCameraHandler(CameraManager cameraManager)
+    public DeviceConfigHandler(CameraManager cameraManager)
     {
         _cameraManager = cameraManager;
     }

SHH.CameraService/GrpcImpls/Handlers/DeviceStatusHandler.cs

@@ -13,11 +13,11 @@ namespace SHH.CameraService;
 /// 设备状态监控工作者 (gRPC 版)
 /// 职责：监控相机状态并在状态变更或心跳周期内，通过 gRPC 批量上报至所有配置的端点
 /// </summary>
-public class DeviceStateMonitorWorker : BackgroundService
+public class DeviceStatusHandler : BackgroundService
 {
     private readonly CameraManager _manager;
     private readonly ServiceConfig _config;
-    private readonly ILogger<DeviceStateMonitorWorker> _logger;
+    private readonly ILogger<DeviceStatusHandler> _logger;
 
     // 状态存储：CameraId -> 状态载荷
     private readonly ConcurrentDictionary<string, StatusEventPayload> _stateStore = new();
@@ -25,10 +25,10 @@ public class DeviceStateMonitorWorker : BackgroundService
     private volatile bool _isDirty = false;
     private long _lastSendTick = 0;
 
-    public DeviceStateMonitorWorker(
+    public DeviceStatusHandler(
         CameraManager manager,
         ServiceConfig config,
-        ILogger<DeviceStateMonitorWorker> logger)
+        ILogger<DeviceStatusHandler> logger)
     {
         _manager = manager;
         _config = config;
@@ -104,7 +104,6 @@ public class DeviceStateMonitorWorker : BackgroundService
             // 1. 构建 gRPC 请求包
             var request = new StatusBatchRequest
             {
-                Protocol = "GRPC",
                 Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
             };
 
@@ -116,7 +115,6 @@ public class DeviceStateMonitorWorker : BackgroundService
                     CameraId = item.CameraId,
                     IsOnline = item.IsOnline,
                     Reason = item.Reason,
-                    Timestamp = item.Timestamp
                 });
             }
 

SHH.CameraService/GrpcImpls/Handlers/GatewayService.cs

@@ -0,0 +1,102 @@
+using Grpc.Core;
+using Grpc.Net.Client;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json.Linq;
+using SHH.CameraSdk;
+using SHH.Contracts.Grpc; // 引用 Proto 生成的命名空间
+
+namespace SHH.CameraService
+{
+    /// <summary>
+    /// gRPC 指令接收后台服务
+    /// 职责：
+    /// 1. 维护与 AiVideo 的 gRPC 长连接。
+    /// 2. 完成节点逻辑注册。
+    /// 3. 监听 Server Streaming 指令流并移交给 Dispatcher。
+    /// </summary>
+    public class GatewayService : BackgroundService
+    {
+        private readonly ILogger<GatewayService> _logger;
+        private readonly ServiceConfig _config;
+        private readonly CommandDispatcher _dispatcher;
+
+        public GatewayService(
+            ILogger<GatewayService> logger,
+            ServiceConfig config,
+            CommandDispatcher dispatcher)
+        {
+            _logger = logger;
+            _config = config;
+            _dispatcher = dispatcher;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            // 预留系统启动缓冲时间，确保数据库和 SDK 已就绪
+            _logger.LogInformation("[gRPC Bus] 指令接收服务启动，等待环境预热...");
+            await Task.Delay(3000, stoppingToken);
+
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                try
+                {
+                    // 1. 地址适配：将 tcp 转换为 http，并将 127.0.0.1 修正为 localhost 解决 Unimplemented 异常
+                    var ep = _config.CommandEndpoints.First();
+                    string targetUrl = ep.Uri.Replace("tcp://", "http://").Replace("127.0.0.1", "localhost");
+
+                    using var channel = GrpcChannel.ForAddress(targetUrl);
+                    var client = new GatewayProvider.GatewayProviderClient(channel);
+
+                    // --- 第一步：发起节点逻辑注册 (Unary) ---
+                    _logger.LogInformation("[gRPC Bus] 正在发起逻辑注册: {Url}", targetUrl);
+                    var regResp = await client.RegisterInstanceAsync(new RegisterRequest
+                    {
+                        InstanceId = _config.AppId,
+                        Version = "2.0.0-grpc",
+                        ServerIp = "127.0.0.1",
+                        StartTimeTicks = DateTime.Now.Ticks
+                    }, cancellationToken: stoppingToken);
+
+                    if (regResp.Success)
+                    {
+                        _logger.LogInformation("[gRPC Bus] 注册成功。正在建立双向指令通道...");
+
+                        // --- 第二步：开启 Server Streaming 指令流 ---
+                        using var call = client.OpenCommandChannel(new CommandStreamRequest
+                        {
+                            InstanceId = _config.AppId
+                        }, cancellationToken: stoppingToken);
+
+                        // --- 第三步：循环读取服务端推送的指令 ---
+                        // 只要服务端流未断开，此处会一直阻塞等待新消息
+                        while (await call.ResponseStream.MoveNext(stoppingToken))
+                        {
+                            var protoMsg = call.ResponseStream.Current;
+
+                            // 核心变更：不再直接处理业务，而是通过分发器进行路由
+                            // 使用 _ = 异步处理，避免某个 Handler 执行过慢导致指令流阻塞
+                            _ = _dispatcher.DispatchAsync(protoMsg);
+                        }
+                    }
+                }
+                catch (OperationCanceledException)
+                {
+                    // 响应系统正常退出信号
+                    break;
+                }
+                catch (RpcException ex)
+                {
+                    _logger.LogError("[gRPC Bus] RPC 异常 (Status: {Code}): {Msg}", ex.StatusCode, ex.Message);
+                    // 链路异常，进入重连等待阶段
+                    await Task.Delay(5000, stoppingToken);
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError("[gRPC Bus] 非预期链路异常: {Msg}，5秒后尝试重连", ex.Message);
+                    await Task.Delay(5000, stoppingToken);
+                }
+            }
+        }
+    }
+}

SHH.CameraService/GrpcImpls/ImageFactory/ImageMonitorController.cs

@@ -6,7 +6,7 @@ using System.Diagnostics;
 
 namespace SHH.CameraService;
 
-public class NetworkStreamingWorker : BackgroundService
+public class ImageMonitorController : BackgroundService
 {
     // 注入所有注册的目标（云端、大屏等），实现动态分发
     private readonly IEnumerable<StreamTarget> _targets;
@@ -16,7 +16,7 @@ public class NetworkStreamingWorker : BackgroundService
     // 如果您确实需要 100，请注意带宽压力。此处我保留您要求的 100，但建议未来调优。
     private readonly int[] _encodeParams = { (int)ImwriteFlags.JpegQuality, 100 };
 
-    public NetworkStreamingWorker(IEnumerable<StreamTarget> targets)
+    public ImageMonitorController(IEnumerable<StreamTarget> targets)
     {
         _targets = targets;
     }

SHH.CameraService/GrpcImpls/ImageProcs/GrpcSenderWorker.cs

@@ -46,10 +46,17 @@ public class GrpcSenderWorker : BackgroundService
                 // 3. 核心搬运循环：从内存队列 (Channel) 读取数据
                 await foreach (var payload in _target.Channel.Reader.ReadAllAsync(stoppingToken))
                 {
+                    // 【畅通保障】检查数据时效性：丢弃超过 1 秒的积压帧
+                    var delay = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() - payload.CaptureTimestamp;
+                    if (delay > 1000)
+                    {
+                        continue;
+                    }
+
                     // 将业务 DTO 转换为 gRPC 原生 Request
                     var request = new VideoFrameRequest
                     {
-                        CameraId = payload.CameraId ?? "Unknown",
+                        CameraId = payload.CameraId ?? "0",
                         CaptureTimestamp = payload.CaptureTimestamp,
                         OriginalWidth = payload.OriginalWidth,
                         OriginalHeight = payload.OriginalHeight,
@@ -66,6 +73,8 @@ public class GrpcSenderWorker : BackgroundService
                             : ByteString.Empty
                     };
 
+                    request.SubscriberIds.AddRange(payload.SubscriberIds);
+
                     // 处理诊断信息 map<string, string>
                     if (payload.Diagnostics != null)
                     {

SHH.CameraService/Program.cs

@@ -49,7 +49,7 @@ public class Program
                     InstanceId = config.AppId,
                     Version = "2.0.0-grpc",
                     ServerIp = "127.0.0.1",
-                    WebApiPort = config.BasePort,
+                    WebapiPort = config.BasePort,
                     StartTimeTicks = DateTime.Now.Ticks,
                     ProcessId = Environment.ProcessId,
                     Description = "Camera Service"
@@ -79,9 +79,9 @@ public class Program
         builder.Services.AddHostedService<CameraEngineWorker>();
 
         // ★ 注册 gRPC 版本的状态监控工作者 (不讲道理，直接注册)
-        builder.Services.AddHostedService<DeviceStateMonitorWorker>();
+        builder.Services.AddHostedService<DeviceStatusHandler>();
         builder.Services.AddHostedService<ParentProcessSentinel>();
-        builder.Services.AddHostedService<GrpcCommandReceiverWorker>();
+        builder.Services.AddHostedService<GatewayService>();
 
         // =============================================================
         // 5. 视频流 Target 注册 (gRPC 模式)
@@ -100,7 +100,7 @@ public class Program
             }
         }
         builder.Services.AddSingleton<IEnumerable<StreamTarget>>(netTargets);
-        builder.Services.AddHostedService<NetworkStreamingWorker>();
+        builder.Services.AddHostedService<ImageMonitorController>();
 
         // 为每个 Target 绑定一个 gRPC 流发送者
         foreach (var target in netTargets)
@@ -112,7 +112,7 @@ public class Program
         // 注册指令分发 (不再使用 NetMQ 的 CommandClientWorker)
         builder.Services.AddSingleton<InterceptorPipeline>();
         builder.Services.AddSingleton<CommandDispatcher>();
-        builder.Services.AddSingleton<ICommandHandler, SyncCameraHandler>();
+        builder.Services.AddSingleton<ICommandHandler, DeviceConfigHandler>();
         builder.Services.AddSingleton<ICommandHandler, RemoveCameraHandler>();
 
         ConfigureWebServices(builder, config);

SHH.Contracts.Grpc/Protos/gateway_service.proto

@@ -18,64 +18,7 @@ service GatewayProvider {
   rpc OpenCommandChannel (CommandStreamRequest) returns (stream CommandPayloadProto);
 }
 
-// --- 1. 注册相关 ---
+// --- 通用指令推送通道 ---
-message RegisterRequest {
-  // 进程 ID (用于区分同一台机器上的多个实例)
-  int32 process_id = 1;
-  // 调用进程句柄
-  int32 invoke_process_id = 2;
-  // 实例唯一标识符 (例如 "Stream_1")
-  string instance_id = 3;
-  // 软件版本号
-  string version = 4;
-  // 软件所在的局域网 IP
-  string server_ip = 5;
-  // WebAPI 监听端口
-  int32 webapi_port = 6;
-  // Grpc通讯端口
-  int32 grpc_port = 7;
-  // 启动时间
-  int64 start_time_ticks = 9; 
-  // 描述信息
-  string description = 10;
-}
-
-// --- 2. 状态上报相关 ---
-message StatusBatchRequest {
-  string protocol = 1;
-  int64 timestamp = 2;
-  repeated StatusEventItem items = 3; 
-}
-
-message StatusEventItem {
-  string camera_id = 1;
-  bool is_online = 2;
-  string reason = 3;
-  int64 timestamp = 4;
-}
-
-// --- 3. 视频流相关 ---
-message VideoFrameRequest {
-  string camera_id = 1;
-  int64 capture_timestamp = 2;
-  int64 dispatch_timestamp = 3;
-  int32 original_width = 4;
-  int32 original_height = 5;
-  int32 target_width = 6;
-  int32 target_height = 7;
-  repeated string subscriber_ids = 8;
-  map<string, string> diagnostics = 9; 
-  bool has_original_image = 10;
-  bool has_target_image = 11;
-  bytes original_image_bytes = 12; 
-  bytes target_image_bytes = 13;  
-}
-
-// --- 4. 指令下发相关 (对应 C# CommandPayload) ---
-message CommandStreamRequest {
-  string instance_id = 1; // 告知服务端我是哪个节点
-}
-
 message CommandPayloadProto {
   string protocol = 1;			// 协议类型，默认 "COMMAND"
   string cmd_code = 2;			// 指令代码，如 "Sync_Camera"
@@ -88,6 +31,57 @@ message CommandPayloadProto {
   int64 expire_time = 9;		// 过期时间戳
 }
 
+// --- 1. 注册相关 ---
+message RegisterRequest {
+  int32 process_id = 1;				// 进程 ID (用于区分同一台机器上的多个实例)
+  int32 invoke_process_id = 2;		// 调用进程句柄
+  string instance_id = 3;			// 实例唯一标识符 (例如 "Stream_1")
+  string version = 4;				// 软件版本号
+  string server_ip = 5;				// 软件所在的局域网 IP
+  int32 webapi_port = 6;			// WebAPI 监听端口
+  int32 grpc_port = 7;				// Grpc通讯端口
+  int64 start_time_ticks = 9;		// 启动时间
+  string description = 10;			// 描述信息
+}
+
+// --- 2. 状态上报相关 ---
+message StatusBatchRequest {
+  int64 timestamp = 1;					// 上报时间戳
+  repeated StatusEventItem items = 2;	// 状态事件列表
+}
+
+// 设备状态变更通知包
+message StatusEventItem {
+  string camera_id = 1;			// 摄像头ID
+  bool is_online = 2;			// 是否在线
+  string reason = 3;			// 状态变更原因描述
+}
+
+// --- 3. 视频流传输协议 ---
+// 职责：承载高频传输的实时视频帧、算法处理图及相关的 AI 诊断元数据
+message VideoFrameRequest {
+  
+  string camera_id = 1;				// 摄像头唯一物理标识符
+  int64 capture_timestamp = 2;		// 图像在传感器端的原始采集时间戳 (Ticks/Unixms)
+  int64 dispatch_timestamp = 3;		// 图像在分析节点端的分发/外传时间戳 (用于测量网络传输耗时)
+  int32 original_width = 4;			// 原始采集图像的宽度
+  int32 original_height = 5;		// 原始采集图像的高度
+  int32 target_width = 6;			// 算法处理（如缩放或裁剪）后的目标图像宽度
+  int32 target_height = 7;			// 算法处理后的目标图像高度
+  repeated string subscriber_ids = 8;	// 订阅此帧的应用标识列表 (例如: "UI", "AI", "Record")
+  map<string, string> diagnostics = 9; // 诊断与扩展元数据 键值对存储：例如 {"fps": "25", "bitrate": "4Mbps", "algo_latency": "12ms"}
+  bool has_original_image = 10;		// 状态标志：包内是否包含原始图像二进制数据
+  bool has_target_image = 11;		// 状态标志：包内是否包含算法处理图（或带 OSD 渲染的图）
+  bytes original_image_bytes = 12;	// 原始图像二进制数据 (通常为 JPG/NV12 格式)
+  bytes target_image_bytes = 13;	// 算法处理图/标注图二进制数据
+}
+
+// --- 4. 指令下发相关 (对应 C# CommandPayload) ---
+message CommandStreamRequest {
+  string instance_id = 1;	// 告知服务端我是哪个节点
+  int32 process_id = 2;		// 告知服务端我是哪个进程
+}
+
 message GenericResponse {
   bool success = 1;
   string message = 2;