48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
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using System.Collections.Concurrent;
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namespace SHH.MjpegPlayer;
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/// <summary>
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/// 任务状态信息载荷
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/// </summary>
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public record TaskMetadata(string Name, string Type, DateTime StartTime);
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/// <summary>
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/// 任务管理器：替代原 CoreTaskRun 功能
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/// 职责：记录运行中的异步任务，支持状态检索和统一取消
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/// </summary>
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public static class TaskManager
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{
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// 存储运行中的任务及其元数据
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public static readonly ConcurrentDictionary<string, TaskMetadata> RunningTasks = new();
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// 存储取消令牌，用于停止特定任务
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private static readonly ConcurrentDictionary<string, CancellationTokenSource> _tokens = new();
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/// <summary>
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/// 注册并运行一个受控任务
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/// </summary>
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public static void Run(string taskName, string taskType, Func<CancellationToken, Task> action)
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{
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var cts = new CancellationTokenSource();
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_tokens[taskName] = cts;
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var metadata = new TaskMetadata(taskName, taskType, DateTime.Now);
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RunningTasks[taskName] = metadata;
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// 启动异步任务
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Task.Run(async () =>
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{
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try
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{
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await action(cts.Token);
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}
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finally
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{
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// Optimized: 任务结束（无论正常还是异常）必须清理资源
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RunningTasks.TryRemove(taskName, out _);
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_tokens.TryRemove(taskName, out _);
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}
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}, cts.Token);
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}
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}
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