41 lines
1.4 KiB
C#
41 lines
1.4 KiB
C#
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using MessagePack;
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using SHH.Contracts;
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using System.Diagnostics;
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namespace SHH.CameraDashboard.Services.Processors
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{
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/// <summary>
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/// [协议处理器] 处理来自服务端的反向指令 (COMMAND)
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/// 场景：服务端主动要求客户端执行某些动作（如弹出实时画面、同步系统配置等）
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/// </summary>
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public class CommandProcessor : IProtocolProcessor
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{
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public string ProtocolType => "COMMAND";
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private readonly CommandBusClient _bus;
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public CommandProcessor(CommandBusClient bus)
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{
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_bus = bus;
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}
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public void Process(byte[] identity, byte[] payloadBytes)
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{
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try
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{
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// 1. 反序列化指令载体
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var payload = MessagePackSerializer.Deserialize<CommandPayload>(payloadBytes);
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if (payload == null) return;
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// 2. 核心：触发总线上的指令接收事件
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// 让监听该事件的 ViewModel 或全局管理器去执行具体业务
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_bus.RaiseCommandReceived(payload);
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Debug.WriteLine($"[Bus] 收到服务端反向指令: {payload.CmdCode}, 目标: {payload.TargetId}");
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}
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catch (Exception ex)
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{
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Debug.WriteLine($"[Bus-Err] CommandProcessor 解析异常: {ex.Message}");
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}
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}
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}
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}
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