ASP Web API操作的日志持续时间 [英] Log duration of an ASP Web API action

问题描述

我正在使用ActionFilter记录我的ASP.NET Web API项目的所有操作调用. OnActionExecuted方法可以告诉很多正在发生的事情.

I am using an ActionFilter to log all action calls of my ASP.NET Web API project. The OnActionExecuted method tells a lot about what's been happening.

我只是不知道如何找到一种有效的方法来测量执行时间...

I just can't figure out how to find an efficient way to measure execution time...

感谢您的帮助！

推荐答案

这种方法应该可以解决问题...

Something like this should do the trick...

public class StopwatchAttribute : ActionFilterAttribute
{
    private const string StopwatchKey = "StopwatchFilter.Value";

    public override void OnActionExecuting(HttpActionContext actionContext)
    {
        base.OnActionExecuting(actionContext);

        actionContext.Request.Properties[StopwatchKey] = Stopwatch.StartNew();
    }

    public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext)
    {
        base.OnActionExecuted(actionExecutedContext);

        Stopwatch stopwatch = (Stopwatch)actionExecutedContext.Request.Properties[StopwatchKey];
        // TODO something useful with stopwatch.Elapsed
        Trace.WriteLine("Elapsed = " + stopwatch.Elapsed);
    }
}

在这里，我们将新的Stopwatch存储在请求属性中，并在请求完成后将其停止.

Here we store a new Stopwatch in the request properties and stop it when the request has completed.

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