46 lines
1.4 KiB
C#
46 lines
1.4 KiB
C#
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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} |