FastGithub/FastGithub.Http/LifetimeHttpHandler.cs
2021-09-29 21:37:51 +08:00

45 lines
1.3 KiB
C#

using System;
using System.Net.Http;
using System.Threading;
namespace FastGithub.Http
{
/// <summary>
/// 表示自主管理生命周期的的HttpMessageHandler
/// </summary>
sealed class LifetimeHttpHandler : DelegatingHandler
{
private readonly Timer timer;
/// <summary>
/// 具有生命周期的HttpHandler
/// </summary>
/// <param name="handler">HttpHandler</param>
/// <param name="lifeTime">拦截器的生命周期</param>
/// <param name="deactivateAction">失效回调</param>
public LifetimeHttpHandler(HttpMessageHandler handler, TimeSpan lifeTime, Action<LifetimeHttpHandler> deactivateAction)
: base(handler)
{
this.timer = new Timer(this.OnTimerCallback, deactivateAction, lifeTime, Timeout.InfiniteTimeSpan);
}
/// <summary>
/// timer触发时
/// </summary>
/// <param name="state"></param>
private void OnTimerCallback(object? state)
{
this.timer.Dispose();
((Action<LifetimeHttpHandler>)(state!))(this);
}
/// <summary>
/// 这里不释放资源
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
}
}
}