hostname/update.go

package linuxstatus

import (
	"errors"
	"fmt"
	"time"

	"go.wit.com/log"
)

func (ls *LinuxStatus) Update() {
	if ls == nil {
		return
	}
	if !ls.Ready() {
		log.Log(WARN, "can't update yet. ready is false")
		log.Error(errors.New("Update() is not ready yet"))
		return
	}
	log.Log(INFO, "Update() START")
	duration := timeFunction(func() {
		linuxLoop()
	})
	ls.setSpeed(duration)
	log.Log(INFO, "Update() END")
}

func (ls *LinuxStatus) setSpeed(duration time.Duration) {
	s := fmt.Sprint(duration)
	if ls.speedActual == nil {
		log.Log(WARN, "can't actually warn")
		return
	}
	ls.speedActual.SetText(s)

	if duration > 500*time.Millisecond {
		ls.speed.SetText("SLOW")
	} else if duration > 100*time.Millisecond {
		ls.speed.SetText("OK")
	} else {
		ls.speed.SetText("FAST")
	}
}