package httphandler import ( "net/http" "zero/core/stat" "zero/core/timex" ) func MetricHandler(metrics *stat.Metrics) func(http.Handler) http.Handler { return func(next http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { startTime := timex.Now() defer func() { metrics.Add(stat.Task{ Duration: timex.Since(startTime), }) }() next.ServeHTTP(w, r) }) } }