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mirror of https://github.com/taigrr/wtf synced 2025-01-18 04:03:14 -08:00
Sean Smith bcf899df72 Further reduce usage of global
Bargraph moves to common settings
"Global" config moves out of wtf and into cfg for the few things that need it
We can probably eliminate a global config used across things if we want to
2019-04-27 22:26:23 -04:00

128 lines
2.7 KiB
Go

package resourceusage
import (
"code.cloudfoundry.org/bytefmt"
"fmt"
"github.com/rivo/tview"
"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/mem"
"github.com/wtfutil/wtf/wtf"
"math"
"time"
)
var started = false
var ok = true
// Widget define wtf widget to register widget later
type Widget struct {
wtf.BarGraph
app *tview.Application
settings *Settings
}
// NewWidget Make new instance of widget
func NewWidget(app *tview.Application, settings *Settings) *Widget {
widget := Widget{
BarGraph: wtf.NewBarGraph(app, settings.common.Name, settings.common, false),
app: app,
settings: settings,
}
widget.View.SetWrap(false)
widget.View.SetWordWrap(false)
return &widget
}
/* -------------------- Exported Functions -------------------- */
// MakeGraph - Load the dead drop stats
func MakeGraph(widget *Widget) {
cpuStats, err := cpu.Percent(time.Duration(0), true)
if err != nil {
return
}
var stats = make([]wtf.Bar, len(cpuStats)+2)
for i, stat := range cpuStats {
// Stats sometimes jump outside the 0-100 range, possibly due to timing
stat = math.Min(100, stat)
stat = math.Max(0, stat)
bar := wtf.Bar{
Label: fmt.Sprint(i),
Percent: int(stat),
ValueLabel: fmt.Sprintf("%d%%", int(stat)),
}
stats[i] = bar
}
memInfo, err := mem.VirtualMemory()
if err != nil {
return
}
memIndex := len(cpuStats)
usedMemLabel := bytefmt.ByteSize(memInfo.Used)
totalMemLabel := bytefmt.ByteSize(memInfo.Total)
if usedMemLabel[len(usedMemLabel)-1] == totalMemLabel[len(totalMemLabel)-1] {
usedMemLabel = usedMemLabel[:len(usedMemLabel)-1]
}
stats[memIndex] = wtf.Bar{
Label: "Mem",
Percent: int(memInfo.UsedPercent),
ValueLabel: fmt.Sprintf("%s/%s", usedMemLabel, totalMemLabel),
}
swapIndex := len(cpuStats) + 1
swapUsed := memInfo.SwapTotal - memInfo.SwapFree
var swapPercent float64
if memInfo.SwapTotal > 0 {
swapPercent = float64(swapUsed) / float64(memInfo.SwapTotal)
}
usedSwapLabel := bytefmt.ByteSize(swapUsed)
totalSwapLabel := bytefmt.ByteSize(memInfo.SwapTotal)
if usedSwapLabel[len(usedSwapLabel)-1] == totalMemLabel[len(totalSwapLabel)-1] {
usedSwapLabel = usedSwapLabel[:len(usedSwapLabel)-1]
}
stats[swapIndex] = wtf.Bar{
Label: "Swp",
Percent: int(swapPercent * 100),
ValueLabel: fmt.Sprintf("%s/%s", usedSwapLabel, totalSwapLabel),
}
widget.BarGraph.BuildBars(stats[:])
}
// Refresh & update after interval time
func (widget *Widget) Refresh() {
if widget.Disabled() {
return
}
widget.View.Clear()
widget.app.QueueUpdateDraw(func() {
display(widget)
})
}
/* -------------------- Unexported Functions -------------------- */
func display(widget *Widget) {
MakeGraph(widget)
}