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refactror: add check ipv6 path

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fix issues #1669 #2882
This commit is contained in:
Павел 2025-04-29 16:32:54 +03:00 committed by GitHub
parent e7f2a03dc3
commit f0590c0593
1 changed files with 13 additions and 4 deletions
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17
util/sys/sys_linux.go
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@ -44,11 +44,11 @@ func getLinesNum(filename string) (int, error) {
func GetTCPCount() (int, error) { func GetTCPCount() (int, error) {
root := HostProc() root := HostProc()
tcp4, err := getLinesNum(fmt.Sprintf("%v/net/tcp", root)) tcp4, err := safeGetLinesNum(fmt.Sprintf("%v/net/tcp", root))
if err != nil { if err != nil {
return 0, err return 0, err
} }
tcp6, err := getLinesNum(fmt.Sprintf("%v/net/tcp6", root)) tcp6, err := safeGetLinesNum(fmt.Sprintf("%v/net/tcp6", root))
if err != nil { if err != nil {
return 0, err return 0, err
} }
@ -59,14 +59,23 @@ func GetTCPCount() (int, error) {
func GetUDPCount() (int, error) { func GetUDPCount() (int, error) {
root := HostProc() root := HostProc()
udp4, err := getLinesNum(fmt.Sprintf("%v/net/udp", root)) udp4, err := safeGetLinesNum(fmt.Sprintf("%v/net/udp", root))
if err != nil { if err != nil {
return 0, err return 0, err
} }
udp6, err := getLinesNum(fmt.Sprintf("%v/net/udp6", root)) udp6, err := safeGetLinesNum(fmt.Sprintf("%v/net/udp6", root))
if err != nil { if err != nil {
return 0, err return 0, err
} }
return udp4 + udp6, nil return udp4 + udp6, nil
} }
func safeGetLinesNum(path string) (int, error) {
if _, err := os.Stat(path); os.IsNotExist(err) {
return 0, nil
} else if err != nil {
return 0, err
}
return getLinesNum(path)
}