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|
package widgets
import (
"fmt"
"image"
"sort"
"time"
ui "github.com/gizak/termui/v3"
"github.com/prometheus/client_golang/prometheus"
"github.com/xxxserxxx/gotop/v3/devices"
"github.com/xxxserxxx/gotop/v3/utils"
)
type TempScale rune
const (
Celsius TempScale = 'C'
Fahrenheit = 'F'
)
type TempWidget struct {
*ui.Block // inherits from Block instead of a premade Widget
updateInterval time.Duration
Data map[string]int
TempThreshold int
TempLowColor ui.Color
TempHighColor ui.Color
TempScale TempScale
tempsMetric map[string]prometheus.Gauge
}
// TODO: state:deferred 156 Added temperatures for NVidia GPUs (azak-azkaran/master). Crashes on non-nvidia machines.
func NewTempWidget(tempScale TempScale) *TempWidget {
self := &TempWidget{
Block: ui.NewBlock(),
updateInterval: time.Second * 5,
Data: make(map[string]int),
TempThreshold: 80,
TempScale: tempScale,
}
self.Title = " Temperatures "
if tempScale == Fahrenheit {
self.TempThreshold = utils.CelsiusToFahrenheit(self.TempThreshold)
}
self.update()
go func() {
for range time.NewTicker(self.updateInterval).C {
self.Lock()
self.update()
self.Unlock()
}
}()
return self
}
func (self *TempWidget) EnableMetric() {
self.tempsMetric = make(map[string]prometheus.Gauge)
for k, v := range self.Data {
gauge := prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "gotop",
Subsystem: "temp",
Name: k,
})
gauge.Set(float64(v))
prometheus.MustRegister(gauge)
self.tempsMetric[k] = gauge
}
}
// Custom Draw method instead of inheriting from a generic Widget.
func (self *TempWidget) Draw(buf *ui.Buffer) {
self.Block.Draw(buf)
var keys []string
for key := range self.Data {
keys = append(keys, key)
}
sort.Strings(keys)
for y, key := range keys {
if y+1 > self.Inner.Dy() {
break
}
var fg ui.Color
if self.Data[key] < self.TempThreshold {
fg = self.TempLowColor
} else {
fg = self.TempHighColor
}
s := ui.TrimString(key, (self.Inner.Dx() - 4))
buf.SetString(s,
ui.Theme.Default,
image.Pt(self.Inner.Min.X, self.Inner.Min.Y+y),
)
if self.tempsMetric != nil {
self.tempsMetric[key].Set(float64(self.Data[key]))
}
temperature := fmt.Sprintf("%3d°%c", self.Data[key], self.TempScale)
buf.SetString(
temperature,
ui.NewStyle(fg),
image.Pt(self.Inner.Max.X-(len(temperature)-1), self.Inner.Min.Y+y),
)
}
}
func (self *TempWidget) update() {
devices.UpdateTemps(self.Data)
for name, val := range self.Data {
if self.TempScale == Fahrenheit {
self.Data[name] = utils.CelsiusToFahrenheit(val)
} else {
self.Data[name] = val
}
}
}
|
