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cpu.go
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cpu.go
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package providers
import (
"encoding/json"
"fmt"
"strconv"
"sync"
)
// CPUUsage innehåller information om CPU användningen
type CPUUsage struct {
Error string `json:"error"`
Procent float64 `json:"procent"`
}
type CPU struct {
rw *sync.RWMutex
Values []float64
Avg float64
Total int
}
func (a CPU) Name() string {
return "CPU"
}
func (a *CPU) Check(resp string) bool {
usage := CPUUsage{}
err := json.Unmarshal([]byte(resp), &usage)
if err != nil || usage.Error != "" {
return false
}
if a.CountValues() >= a.GetTotal() {
a.rw.Lock()
a.Values = append(a.Values[1:], usage.Procent)
a.rw.Unlock()
} else {
a.rw.Lock()
a.Values = append(a.Values, usage.Procent)
a.rw.Unlock()
}
if a.avg() > float64(a.GetAvg()) {
return true
}
return false
}
func (a CPU) avg() float64 {
var i float64 = 0
if a.Total > a.CountValues() {
return i
}
for _, v := range a.GetValues() {
i += v
}
return i / float64(a.CountValues())
}
func (a CPU) GetValues() []float64 {
a.rw.RLock()
defer a.rw.RUnlock()
return a.Values
}
func (a CPU) GetTotal() int {
a.rw.RLock()
defer a.rw.RUnlock()
return a.Total
}
func (a CPU) GetAvg() float64 {
a.rw.RLock()
defer a.rw.RUnlock()
return a.Avg
}
func (a CPU) CountValues() int {
a.rw.RLock()
defer a.rw.RUnlock()
return len(a.Values)
}
func (a CPU) Value() string {
return strconv.FormatFloat(a.avg(), 'g', -1, 64)
}
func (a CPU) Message() string {
return fmt.Sprintf("CPU Usage: %s", a.Value())
}