新通讯图像协议对接成功
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177
SHH.CameraService/GrpcImpls/Handlers/DeviceConfigHandler.cs
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177
SHH.CameraService/GrpcImpls/Handlers/DeviceConfigHandler.cs
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using Newtonsoft.Json.Linq;
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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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/// <summary>
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/// 同步设备配置处理器
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/// </summary>
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public class DeviceConfigHandler : ICommandHandler
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{
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private readonly CameraManager _cameraManager;
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/// <summary>
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/// 命令名称
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/// </summary>
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public string ActionName => ProtocolHeaders.Sync_Camera;
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="cameraManager"></param>
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public DeviceConfigHandler(CameraManager cameraManager)
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{
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_cameraManager = cameraManager;
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}
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/// <summary>
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/// 执行处理
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/// </summary>
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/// <param name="payload"></param>
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/// <returns></returns>
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public async Task ExecuteAsync(JToken payload)
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{
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// 1. 反序列化配置 DTO
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var dto = payload.ToObject<CameraConfigDto>();
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if (dto == null) return;
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// 2. 尝试获取现有设备
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var device = _cameraManager.GetDevice(dto.Id);
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if (device != null)
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{
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// =========================================================
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// 场景 A: 设备已存在 -> 执行智能更新 (Smart Update)
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// =========================================================
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Console.WriteLine($"[Sync] 更新设备配置: {dto.Id} ({dto.Name})");
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// 将全量配置映射为部分更新 DTO
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var updateDto = new DeviceUpdateDto
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{
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// --- 冷更新参数 (变更会触发重启) ---
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IpAddress = dto.IpAddress,
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Port = dto.Port,
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Username = dto.Username,
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Password = dto.Password,
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ChannelIndex = dto.ChannelIndex,
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Brand = dto.Brand,
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RtspPath = dto.RtspPath,
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RenderHandle = dto.RenderHandle, // long 类型直接赋值
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// --- 热更新参数 (变更立即生效) ---
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Name = dto.Name,
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Location = dto.Location,
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StreamType = dto.StreamType,
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MainboardIp = dto.MainboardIp,
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MainboardPort = dto.MainboardPort,
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// --- 图像处理参数 (热更新) ---
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AllowCompress = dto.AllowCompress,
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AllowExpand = dto.AllowExpand,
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TargetResolution = dto.TargetResolution,
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EnhanceImage = dto.EnhanceImage,
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UseGrayscale = dto.UseGrayscale
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};
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// 调用 Manager 的核心更新逻辑 (它会自动判断是 Stop->Start 还是直接应用)
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await _cameraManager.UpdateDeviceConfigAsync(dto.Id, updateDto);
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}
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else
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{
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// =========================================================
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// 场景 B: 设备不存在 -> 执行新增 (Add New)
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// =========================================================
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Console.WriteLine($"[Sync] 新增设备: {dto.Id} ({dto.Name})");
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// 构造全新的设备配置
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var newConfig = new VideoSourceConfig
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{
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Id = dto.Id,
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Name = dto.Name,
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Brand = (DeviceBrand)dto.Brand, // int -> Enum 强转
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IpAddress = dto.IpAddress,
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Port = dto.Port,
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Username = dto.Username,
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Password = dto.Password,
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ChannelIndex = dto.ChannelIndex,
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StreamType = dto.StreamType,
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RtspPath = dto.RtspPath,
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MainboardIp = dto.MainboardIp,
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MainboardPort = dto.MainboardPort,
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RenderHandle = (IntPtr)dto.RenderHandle, // long -> IntPtr 转换
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ConnectionTimeoutMs = 5000 // 默认超时
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};
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// 添加到管理器池
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_cameraManager.AddDevice(newConfig);
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// 重新获取引用以进行后续操作
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device = _cameraManager.GetDevice(dto.Id);
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}
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// ★★★ 核心修复：统一处理“运行意图” ★★★
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if (device != null)
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{
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// 将 DTO 的立即执行标志直接同步给设备的运行意图
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device.IsRunning = dto.ImmediateExecution;
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if (dto.ImmediateExecution)
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{
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// 情况 1: 收到“启动”指令
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if (!device.IsOnline) // 只有没在线时才点火
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{
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Console.WriteLine($"[Sync] 指令：立即启动设备 {dto.Id}");
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_ = device.StartAsync();
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}
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}
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else
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{
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// 情况 2: 收到“停止”指令 (即 ImmediateExecution = false)
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if (device.IsOnline) // 只有在线时才熄火
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{
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Console.WriteLine($"[Sync] 指令：立即停止设备 {dto.Id}");
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_ = device.StopAsync();
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}
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}
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}
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// =========================================================
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// 3. 处理自动订阅策略 (Auto Subscriptions)
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// =========================================================
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// 无论新增还是更新，都确保订阅策略是最新的
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if (device != null && dto.AutoSubscriptions != null)
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{
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var controller = device.Controller;
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if (controller != null)
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{
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foreach (var sub in dto.AutoSubscriptions)
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{
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// 如果没有 AppId，生成一个临时的（通常 Dashboard 会下发固定的 AppId）
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string appId = string.IsNullOrWhiteSpace(sub.AppId)
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? $"AUTO_{Guid.NewGuid().ToString("N")[..8]}"
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: sub.AppId;
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// 构造流控需求
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var req = new FrameRequirement
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{
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AppId = appId,
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TargetFps = sub.TargetFps,
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Type = (SubscriptionType)sub.Type, // int -> Enum
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Memo = sub.Memo ?? "Sync Auto",
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// 自动订阅通常不包含具体的 Handle 或 SavePath，除非协议里带了
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// 如果需要支持网络转发，这里可以扩展映射 sub.TargetIp 等
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Handle = "",
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SavePath = ""
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};
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// 注册到帧控制器
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controller.Register(req);
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}
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}
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}
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}
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}
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