mirror of https://github.com/statping/statping
64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
// +build !windows
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package utils
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import (
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"errors"
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"os"
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"os/exec"
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"regexp"
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"strconv"
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"strings"
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"syscall"
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)
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func DirWritable(path string) (bool, error) {
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info, err := os.Stat(path)
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if err != nil {
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return false, errors.New("path doesn't exist")
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}
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if !info.IsDir() {
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return false, errors.New("path isn't a directory")
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}
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if info.Mode().Perm()&(1<<(uint(7))) == 0 {
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return false, errors.New("write permission bit is not set on this file for user")
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}
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var stat syscall.Stat_t
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if err = syscall.Stat(path, &stat); err != nil {
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return false, errors.New("unable to get stat")
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}
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if uint32(os.Geteuid()) != stat.Uid {
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return false, errors.New("user doesn't have permission to write to this directory")
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}
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return true, nil
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}
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func Ping(address string, secondsTimeout int) (int64, error) {
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ping, err := exec.LookPath("ping")
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if err != nil {
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return 0, err
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}
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out, _, err := Command(ping, address, "-c", "1", "-W", strconv.Itoa(secondsTimeout))
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if err != nil {
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return 0, err
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}
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if strings.Contains(out, "Unknown host") {
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return 0, errors.New("unknown host")
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}
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if strings.Contains(out, "100.0% packet loss") {
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return 0, errors.New("destination host unreachable")
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}
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r := regexp.MustCompile(`time=(.*) ms`)
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strs := r.FindStringSubmatch(out)
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if len(strs) < 2 {
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return 0, errors.New("could not parse ping duration")
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}
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f, _ := strconv.ParseFloat(strs[1], 64)
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return int64(f * 1000), nil
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}
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