增加了通过网络主动上报图像的支持
增加了指令维护通道的支持
This commit is contained in:
139
SHH.CameraService/Core/CmdClients/CommandClientWorker.cs
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139
SHH.CameraService/Core/CmdClients/CommandClientWorker.cs
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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 Newtonsoft.Json;
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using SHH.CameraSdk;
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using System.Text;
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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; // 注入分发器
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public CommandClientWorker(ServiceConfig config, CommandDispatcher dispatcher)
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{
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_config = config;
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_dispatcher = dispatcher;
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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// =================================================================
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// ★★★ 核心修复:强制让出主线程 ★★★
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// 这行代码会让当前的 ExecuteAsync 立即返回一个未完成的 Task 给 Host,
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// Host 就会认为 "这个服务启动好了",然后继续去启动 WebAPI。
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// 而剩下的代码会被调度到线程池里异步执行,互不干扰。
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// =================================================================
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await Task.Yield();
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// 1. 如果不是主动/混合模式,不需要连接
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if (!_config.ShouldConnect) return;
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var cmdEndpoints = _config.CommandEndpoints;
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if (cmdEndpoints.Count == 0)
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{
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Console.WriteLine("[指令] 未配置指令通道,跳过注册。");
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return;
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}
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// 2. 初始化 Dealer Socket
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using var dealer = new DealerSocket();
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// ★★★ 关键:设置身份标识 (Identity) ★★★
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// 服务端 (Router) 收到消息时,第一帧就是这个 ID
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// 如果不设,ZMQ 会随机生成一个二进制 ID,服务端就不知道你是谁了
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string myIdentity = _config.AppId;
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dealer.Options.Identity = Encoding.UTF8.GetBytes(myIdentity);
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// 3. 连接所有目标 (遍历 ServiceEndpoint 对象)
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foreach (var ep in cmdEndpoints)
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{
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Console.WriteLine($"[指令] 连接控制端: {ep.Uri} [{ep.Description}]");
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try
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{
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dealer.Connect(ep.Uri);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[指令] 连接失败 {ep.Uri}: {ex.Message}");
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}
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}
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// 1. 获取本机 IP (简单的获取方式,用于上报给 Dashboard)
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string localIp = "127.0.0.1";
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try
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{
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// 简单获取首个非回环 IP,生产环境建议用更严谨的帮助类
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var host = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
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localIp = host.AddressList.FirstOrDefault(ip =>
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ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)?.ToString() ?? "127.0.0.1";
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}
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catch { }
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// 4. 构建注册/登录包
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var registerPayload = new
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{
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Action = "Register",
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Payload = new
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{
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// 1. AppId (身份)
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Id = _config.AppId,
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// 2. Version (程序集版本)
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Version = System.Reflection.Assembly.GetEntryAssembly()?.GetName().Version?.ToString() ?? "1.0.0",
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// 3. 进程 ID (用于远程监控)
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Pid = Environment.ProcessId,
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// 4. 关键端口信息
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// 告诉 Dashboard:如果你想调我的 REST API,请访问这个端口
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WebPort = _config.BasePort,
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// 如果您有本地绑定的 ZMQ 端口也可以在这里上报
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// VideoPort = _config.BasePort + 1,
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// 基础网络信息
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Ip = localIp,
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// 附带信息:我是要把视频推给谁 (供 Dashboard 调试用)
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TargetVideoNodes = _config.VideoEndpoints.Select(e => e.Uri).ToList()
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},
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Time = DateTime.Now
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};
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string json = JsonConvert.SerializeObject(registerPayload);
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// 5. 发送注册包
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// Dealer 连接建立是异步的,所以这里直接发,ZMQ 会在底层连接成功后自动把消息推出去
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// 为了保险,对于多个 Endpoint,Dealer 默认是负载均衡发送的(轮询)。
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// 如果想让每个 Endpoint 都收到注册包,这在 Dealer 模式下稍微有点特殊。
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// 但通常我们只需要发一次,只要有一个 Dashboard 收到并建立会话即可。
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// 或者简单粗暴:循环发送几次,确保覆盖。
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Console.WriteLine($"[指令] 发送注册包: {json}");
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dealer.SendFrame(json);
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// 6. 进入监听循环 (等待 ACK 或 指令)
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// 进入监听循环
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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if (dealer.TryReceiveFrameString(TimeSpan.FromMilliseconds(500), out string msg))
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{
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Console.WriteLine($"[指令] 收到消息: {msg}");
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// ★★★ 核心变化:直接扔给分发器 ★★★
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// 无论未来加多少指令,这里都不用改代码
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await _dispatcher.DispatchAsync(msg);
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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] 异常: {ex.Message}");
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}
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}
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}
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}
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46
SHH.CameraService/Core/CmdClients/CommandDispatcher.cs
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46
SHH.CameraService/Core/CmdClients/CommandDispatcher.cs
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using Newtonsoft.Json.Linq;
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namespace SHH.CameraService;
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public class CommandDispatcher
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{
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// 路由表:Key = ActionName, Value = Handler
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private readonly Dictionary<string, ICommandHandler> _handlers;
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// 通过依赖注入拿到所有实现了 ICommandHandler 的类
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public CommandDispatcher(IEnumerable<ICommandHandler> handlers)
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{
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_handlers = handlers.ToDictionary(h => h.ActionName, h => h);
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}
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public async Task DispatchAsync(string jsonMessage)
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{
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try
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{
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var jObj = JObject.Parse(jsonMessage);
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string action = jObj["Action"]?.ToString();
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var payload = jObj["Payload"];
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if (string.IsNullOrEmpty(action)) return;
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// 1. 查找是否有对应的处理器
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if (_handlers.TryGetValue(action, out var handler))
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{
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await handler.ExecuteAsync(payload);
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}
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else if (action == "ACK")
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{
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// ACK 是特殊的,可以直接在这里处理或者忽略
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Console.WriteLine($"[指令] 握手成功: {jObj["Message"]}");
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}
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else
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{
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Console.WriteLine($"[警告] 未知的指令: {action}");
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[分发错误] {ex.Message}");
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}
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}
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}
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30
SHH.CameraService/Core/CmdClients/ConnectedClient.cs
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30
SHH.CameraService/Core/CmdClients/ConnectedClient.cs
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namespace SHH.CameraService;
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/// <summary>
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/// 在线客户端信息模型 (已更新)
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/// </summary>
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public class ConnectedClient
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{
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/// <summary> 唯一标识 (AppId) </summary>
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public string ServiceId { get; set; } = string.Empty;
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/// <summary> 版本号 </summary>
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public string Version { get; set; } = "1.0.0";
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/// <summary> 远程进程 ID </summary>
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public int Pid { get; set; }
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/// <summary> 客户端 IP </summary>
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public string Ip { get; set; } = string.Empty;
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/// <summary> WebAPI 端口 (Dashboard 调用 REST 接口用) </summary>
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public int WebPort { get; set; }
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/// <summary> 该客户端正在推流的目标地址 </summary>
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public List<string> TargetVideoNodes { get; set; } = new List<string>();
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public DateTime LastHeartbeat { get; set; }
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// 辅助属性:拼接出完整的 API BaseUrl
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public string WebApiUrl => $"http://{Ip}:{WebPort}";
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}
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18
SHH.CameraService/Core/CmdClients/ICommandHandler.cs
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18
SHH.CameraService/Core/CmdClients/ICommandHandler.cs
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namespace SHH.CameraService;
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/// <summary>
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/// 抽象指令处理器接口
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/// </summary>
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public interface ICommandHandler
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{
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/// <summary>
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/// 该处理器支持的 Action 名称 (如 "AddCamera", "Reboot")
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/// </summary>
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string ActionName { get; }
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/// <summary>
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/// 执行指令逻辑
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/// </summary>
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/// <param name="payload">指令携带的数据 (JSON JToken)</param>
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Task ExecuteAsync(Newtonsoft.Json.Linq.JToken payload);
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}
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103
SHH.CameraService/Core/CmdClients/SyncCameraHandler.cs
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103
SHH.CameraService/Core/CmdClients/SyncCameraHandler.cs
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using Newtonsoft.Json.Linq;
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using SHH.CameraSdk; // 引用包含 FrameController 和 FrameRequirement 的命名空间
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using SHH.Contracts;
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namespace SHH.CameraService;
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public class SyncCameraHandler : ICommandHandler
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{
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private readonly CameraManager _cameraManager;
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public string ActionName => "SyncCamera";
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public SyncCameraHandler(CameraManager cameraManager)
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{
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_cameraManager = cameraManager;
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}
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public async Task ExecuteAsync(JToken payload)
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{
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// 1. 解析配置
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var dto = payload.ToObject<CameraConfigDto>();
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if (dto == null) return;
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// 2. 添加设备到管理器 (这一步是必须的,不然没有 Device 就没有 Controller)
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var videoConfig = new VideoSourceConfig
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{
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Id = dto.Id,
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Name = dto.Name,
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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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Brand = (DeviceBrand)dto.Brand,
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RenderHandle = (IntPtr)dto.RenderHandle,
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MainboardIp = dto.MainboardIp,
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MainboardPort = dto.MainboardPort,
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// 必须给个默认值,防止空引用
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VendorArguments = new Dictionary<string, string>(),
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};
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// 如果设备不存在才添加,如果已存在,后续逻辑会直接获取
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if (_cameraManager.GetDevice(videoConfig.Id) == null)
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{
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_cameraManager.AddDevice(videoConfig);
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}
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// 3. 核心:直接获取设备实例
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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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Console.WriteLine($"[SyncError] 设备 {dto.Id} 创建失败,无法执行自动订阅。");
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return;
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}
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// 4. 拿到你的“宝贝”控制器 (FrameController)
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var controller = device.Controller;
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if (controller == null)
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{
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Console.WriteLine($"[SyncError] 设备 {dto.Id} 不支持流控调度 (Controller is null)。");
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return;
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}
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// 5. 暴力注册订阅需求 (Loop AutoSubscriptions)
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if (dto.AutoSubscriptions != null && dto.AutoSubscriptions.Count > 0)
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{
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foreach (var subItem in dto.AutoSubscriptions)
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{
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// 生成 AppId (照抄你给的逻辑)
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string finalAppId = string.IsNullOrWhiteSpace(subItem.AppId)
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? $"SUB_{Guid.NewGuid().ToString("N").Substring(0, 8).ToUpper()}"
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: subItem.AppId;
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Console.WriteLine($"[自动化] 正在注册流控: {finalAppId}, 目标: {subItem.TargetFps} FPS");
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// 构造 FrameRequirement 对象 (完全匹配你 FrameController 的入参)
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// 这里的属性赋值对应你代码里 req.Type, req.SavePath 等逻辑
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var requirement = new FrameRequirement
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{
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AppId = finalAppId,
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TargetFps = subItem.TargetFps, // 8帧 或 1帧
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Type = (SubscriptionType)subItem.Type, // 业务类型 (LocalWindow, NetworkTrans...)
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Memo = subItem.Memo ?? "Auto Sync",
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// 其它字段给默认空值,防止 Controller 内部逻辑报错
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Handle = "",
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SavePath = ""
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};
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// ★★★ 见证奇迹的时刻:直接调用 Register ★★★
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controller.Register(requirement);
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}
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}
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//// 6. 启动设备
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//// 你的积分算法会在 device 内部的推流循环中被 MakeDecision 调用
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if (dto.ImmediateExecution)
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await device.StartAsync();
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Console.WriteLine($"[SyncSuccess] 设备 {dto.Id} 同步完成,策略已下发。");
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}
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}
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