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