视频SDK新协议签入
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@@ -1,142 +1,169 @@
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using System.Collections.Concurrent;
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using Grpc.Core;
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using Grpc.Net.Client;
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using Microsoft.Extensions.Hosting;
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using NetMQ;
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using NetMQ.Sockets;
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using MessagePack;
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using Microsoft.Extensions.Logging;
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using SHH.CameraSdk;
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using SHH.Contracts;
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using System.Text;
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using SHH.Contracts.Grpc;
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using System.Collections.Concurrent;
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namespace SHH.CameraService
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namespace SHH.CameraService;
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/// <summary>
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/// 设备状态监控工作者 (gRPC 版)
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/// 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
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/// </summary>
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public class DeviceStateMonitorWorker : BackgroundService
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{
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public class DeviceStateMonitorWorker : BackgroundService
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private readonly CameraManager _manager;
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private readonly ServiceConfig _config;
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private readonly ILogger<DeviceStateMonitorWorker> _logger;
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// 状态存储：CameraId -> 状态载荷
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private readonly ConcurrentDictionary<string, StatusEventPayload> _stateStore = new();
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private volatile bool _isDirty = false;
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private long _lastSendTick = 0;
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public DeviceStateMonitorWorker(
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CameraManager manager,
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ServiceConfig config,
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ILogger<DeviceStateMonitorWorker> logger)
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{
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private readonly CameraManager _manager;
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private readonly ServiceConfig _config;
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private readonly InterceptorPipeline _pipeline;
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_manager = manager;
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_config = config;
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_logger = logger;
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}
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// 修改点1: 改为 Socket 列表
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private readonly List<DealerSocket> _sockets = new();
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private readonly ConcurrentDictionary<string, StatusEventPayload> _stateStore = new();
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private volatile bool _isDirty = false;
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private long _lastSendTick = 0;
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public DeviceStateMonitorWorker(
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CameraManager manager,
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ServiceConfig config,
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InterceptorPipeline pipeline)
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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// 1. 初始化本地状态缓存
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foreach (var dev in _manager.GetAllDevices())
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{
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_manager = manager;
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_config = config;
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_pipeline = pipeline;
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UpdateLocalState(dev.Id, false, "Service Init");
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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// 2. 订阅 SDK 状态变更事件
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_manager.OnDeviceStatusChanged += OnSdkStatusChanged;
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_logger.LogInformation("[StatusWorker] gRPC 状态上报已启动，配置节点数: {Count}", _config.CommandEndpoints.Count);
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// 3. 定时循环 (1秒1次检查)
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var timer = new PeriodicTimer(TimeSpan.FromSeconds(1));
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try
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{
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// 1. 初始化
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foreach (var dev in _manager.GetAllDevices())
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while (await timer.WaitForNextTickAsync(stoppingToken))
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{
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UpdateLocalState(dev.Id, false, "Init");
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}
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_manager.OnDeviceStatusChanged += OnSdkStatusChanged;
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// 修改点2: 遍历所有端点建立连接
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if (_config.CommandEndpoints.Count == 0) return;
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Console.WriteLine($"[StatusWorker] 启动状态上报，目标节点数: {_config.CommandEndpoints.Count}");
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foreach (var ep in _config.CommandEndpoints)
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{
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try
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{
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var socket = new DealerSocket();
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// 状态通道也建议设置 Identity，方便服务端追踪
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socket.Options.Identity = Encoding.UTF8.GetBytes(_config.AppId + "_status");
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socket.Options.SendHighWatermark = 1000;
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socket.Connect(ep.Uri);
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_sockets.Add(socket);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[StatusWorker] 连接失败 {ep.Uri}: {ex.Message}");
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}
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}
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// 定时循环 (1秒1次)
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var timer = new PeriodicTimer(TimeSpan.FromSeconds(1));
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try
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{
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while (await timer.WaitForNextTickAsync(stoppingToken))
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{
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await CheckAndBroadcastAsync();
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}
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}
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finally
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{
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_manager.OnDeviceStatusChanged -= OnSdkStatusChanged;
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// 清理所有 socket
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foreach (var s in _sockets) s.Dispose();
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await CheckAndBroadcastAsync(stoppingToken);
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}
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}
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private void OnSdkStatusChanged(long deviceId, bool isOnline, string reason)
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catch (OperationCanceledException) { /* 正常退出 */ }
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catch (Exception ex)
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{
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UpdateLocalState(deviceId, isOnline, reason);
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_isDirty = true;
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_logger.LogError(ex, "[StatusWorker] 运行异常");
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}
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private void UpdateLocalState(long deviceId, bool isOnline, string reason)
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finally
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{
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var evt = new StatusEventPayload
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_manager.OnDeviceStatusChanged -= OnSdkStatusChanged;
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}
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}
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/// <summary>
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/// SDK 状态变更回调
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/// </summary>
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private void OnSdkStatusChanged(long deviceId, bool isOnline, string reason)
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{
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UpdateLocalState(deviceId, isOnline, reason);
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_isDirty = true;
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}
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private void UpdateLocalState(long deviceId, bool isOnline, string reason)
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{
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var evt = new StatusEventPayload
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{
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CameraId = deviceId.ToString(),
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IsOnline = isOnline,
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Reason = reason,
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Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
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};
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_stateStore[deviceId.ToString()] = evt;
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}
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/// <summary>
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/// 执行广播逻辑
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/// </summary>
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private async Task CheckAndBroadcastAsync(CancellationToken ct)
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{
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long now = Environment.TickCount64;
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// 策略: 有变更(Dirty) 或 超过5秒(强制心跳)
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bool shouldSend = _isDirty || (now - _lastSendTick > 5000);
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if (shouldSend && _config.CommandEndpoints.Any())
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{
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// 1. 构建 gRPC 请求包
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var request = new StatusBatchRequest
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{
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CameraId = deviceId.ToString(),
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IsOnline = isOnline,
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Reason = reason,
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Protocol = "GRPC",
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Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
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};
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_stateStore[deviceId.ToString()] = evt;
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}
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// 修改点3: 广播发送逻辑
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private async Task CheckAndBroadcastAsync()
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{
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long now = Environment.TickCount64;
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// 策略: 有变更 或 超过5秒(心跳)
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bool shouldSend = _isDirty || (now - _lastSendTick > 5000);
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// 转换内存中的状态快照为 Protobuf 列表
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foreach (var item in _stateStore.Values)
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{
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request.Items.Add(new StatusEventItem
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{
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CameraId = item.CameraId,
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IsOnline = item.IsOnline,
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Reason = item.Reason,
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Timestamp = item.Timestamp
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});
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}
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if (shouldSend && _sockets.Count > 0)
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// 2. 遍历所有端点进行发送
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foreach (var endpoint in _config.CommandEndpoints)
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{
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try
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{
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var snapshot = _stateStore.Values.ToList();
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var batch = new StatusBatchPayload
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string grpcUrl = endpoint.Uri.Replace("tcp://", "http://").Trim();
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// --- 增加以下诊断代码 ---
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using var channel = GrpcChannel.ForAddress(grpcUrl);
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var client = new GatewayProvider.GatewayProviderClient(channel);
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// 获取 gRPC 内部生成的服务全称
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// 这就是客户端尝试调用的真实路径：/包名.服务名/方法名
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var methodName = "ReportStatusBatch";
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var serviceName = client.GetType().DeclaringType?.Name ?? "Unknown";
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_logger.LogInformation("[gRPC Debug] 准备调用端点: {Url}", grpcUrl);
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_logger.LogInformation("[gRPC Debug] 客户端契约服务名: {Service}", serviceName);
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// 执行调用
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var response = await client.ReportStatusBatchAsync(request,
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deadline: DateTime.UtcNow.AddSeconds(2), cancellationToken: ct);
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if (response.Success)
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{
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Items = snapshot,
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Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
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};
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byte[] data = MessagePackSerializer.Serialize(batch);
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// 拦截器处理
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var ctx = await _pipeline.ExecuteSendAsync("STATUS_BATCH", data);
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if (ctx != null)
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{
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// ★★★ 核心修复：循环广播给所有 Socket ★★★
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foreach (var socket in _sockets)
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{
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// TrySend 避免阻塞，如果某个服务端卡死不影响其他端
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socket.SendMoreFrame(ctx.Protocol).TrySendFrame(ctx.Data);
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}
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_logger.LogInformation("[gRPC Success] 上报成功");
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_isDirty = false;
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_lastSendTick = now;
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_lastSendTick = Environment.TickCount64;
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}
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}
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catch (RpcException ex)
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{
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// 这里是关键：打印 RpcException 的详细状态
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_logger.LogError("[gRPC Error] StatusCode: {Code}, Detail: {Detail}", ex.StatusCode, ex.Status.Detail);
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// 如果是 Unimplemented，通常意味着路径不对
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if (ex.StatusCode == StatusCode.Unimplemented)
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{
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_logger.LogError("[gRPC Fix] 请检查服务端是否注册了名为 'GatewayProvider' 的服务，且其 package 声明与客户端一致。");
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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($"[StatusWorker] 发送失败: {ex.Message}");
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_logger.LogError("[gRPC Fatal] 非 RPC 异常: {Msg}", ex.Message);
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}
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}
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}
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