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utils.go
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/
utils.go
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package ginprometheus
import (
"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/mem"
"net/http"
)
func getCpuUsage() float64 {
percentages, err := cpu.Percent(0, false)
if err != nil || len(percentages) == 0 {
return 0
}
return percentages[0]
}
func getMemoryUsage() float64 {
v, err := mem.VirtualMemory()
if err != nil {
return 0
}
return v.UsedPercent
}
func computeApproximateRequestSize(r *http.Request) int64 {
s := 0
if r.URL != nil {
s = len(r.URL.Path)
}
s += len(r.Method)
s += len(r.Proto)
for name, values := range r.Header {
s += len(name)
for _, value := range values {
s += len(value)
}
}
s += len(r.Host)
// N.B. r.Form and r.MultipartForm are assumed to be included in r.URL.
if r.ContentLength != -1 {
s += int(r.ContentLength)
}
return int64(s)
}