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package widgets
import (
"fmt"
"log"
"os/exec"
"strconv"
"strings"
"github.com/cjbassi/gotop/utils"
)
func convert(s []string) (MemoryInfo, error) {
total, err := strconv.ParseUint(s[0], 10, 64)
if err != nil {
return MemoryInfo{}, fmt.Errorf("int converion failed %v", err)
}
used, err := strconv.ParseUint(s[1], 10, 64)
if err != nil {
return MemoryInfo{}, fmt.Errorf("int converion failed %v", err)
}
percentage, err := strconv.ParseFloat(strings.TrimSuffix(s[2], "%"), 64)
if err != nil {
return MemoryInfo{}, fmt.Errorf("float converion failed %v", err)
}
return MemoryInfo{
Total: total * utils.KB,
Used: used * utils.KB,
UsedPercent: percentage,
}, nil
}
func gatherSwapInfo() (MemoryInfo, error) {
cmd := "swapinfo -k|sed -n '1!p'|awk '{print $2,$3,$5}'"
output, err := exec.Command("sh", "-c", cmd).Output()
if err != nil {
if err != nil {
return MemoryInfo{}, fmt.Errorf("command failed %v", err)
}
}
ss := strings.Split(strings.TrimSuffix(string(output), "\n"), " ")
return convert(ss)
}
func (self *MemWidget) updateSwapMemory() {
swapMemory, err := gatherSwapInfo()
if err != nil {
log.Printf("failed to get swap memory info from gopsutil: %v", err)
} else {
self.renderMemInfo("Swap", MemoryInfo{
Total: swapMemory.Total,
Used: swapMemory.Used,
UsedPercent: swapMemory.UsedPercent,
})
}
}
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