imgproxy/metrics/stats/stats.go

package stats

import (
	"sync/atomic"

	"github.com/imgproxy/imgproxy/v3/config"
)

var (
	requestsInProgress int64
	imagesInProgress   int64
)

func RequestsInProgress() float64 {
	return float64(atomic.LoadInt64(&requestsInProgress))
}

func IncRequestsInProgress() {
	atomic.AddInt64(&requestsInProgress, 1)
}

func DecRequestsInProgress() {
	atomic.AddInt64(&requestsInProgress, -1)
}

func ImagesInProgress() float64 {
	return float64(atomic.LoadInt64(&imagesInProgress))
}

func IncImagesInProgress() {
	atomic.AddInt64(&imagesInProgress, 1)
}

func DecImagesInProgress() {
	atomic.AddInt64(&imagesInProgress, -1)
}

func WorkersUtilization() float64 {
	return RequestsInProgress() / float64(config.Workers) * 100.0
}