.net – 如何做一个异步ServiceController.WaitForStatus?
发布时间:2020-12-15 04:34:58 所属栏目:Java 来源:网络整理
导读:所以 ServiceController.WaitForStatus是一个阻止通话.如何才能完成任务/异步方式? 解决方法 ServiceController.WaitForStatus的代码是: public void WaitForStatus(ServiceControllerStatus desiredStatus,TimeSpan timeout){ DateTime utcNow = DateTime
所以
ServiceController.WaitForStatus是一个阻止通话.如何才能完成任务/异步方式?
解决方法
ServiceController.WaitForStatus的代码是:
public void WaitForStatus(ServiceControllerStatus desiredStatus,TimeSpan timeout) { DateTime utcNow = DateTime.UtcNow; this.Refresh(); while (this.Status != desiredStatus) { if (DateTime.UtcNow - utcNow > timeout) { throw new TimeoutException(Res.GetString("Timeout")); } Thread.Sleep(250); this.Refresh(); } } 这可以使用以下内容转换为基于任务的api: public static class ServiceControllerExtensions { public static async Task WaitForStatusAsync(this ServiceController controller,ServiceControllerStatus desiredStatus,TimeSpan timeout) { var utcNow = DateTime.UtcNow; controller.Refresh(); while (controller.Status != desiredStatus) { if (DateTime.UtcNow - utcNow > timeout) { throw new TimeoutException($"Failed to wait for '{controller.ServiceName}' to change status to '{desiredStatus}'."); } await Task.Delay(250) .ConfigureAwait(false); controller.Refresh(); } } } 或者支持CancellationToken public static class ServiceControllerExtensions { public static async Task WaitForStatusAsync(this ServiceController controller,TimeSpan timeout,CancellationToken cancellationToken) { var utcNow = DateTime.UtcNow; controller.Refresh(); while (controller.Status != desiredStatus) { if (DateTime.UtcNow - utcNow > timeout) { throw new TimeoutException($"Failed to wait for '{controller.ServiceName}' to change status to '{desiredStatus}'."); } await Task.Delay(250,cancellationToken) .ConfigureAwait(false); controller.Refresh(); } } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |