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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2024-05-12 18:10:03 +02:00
parent e7627bfcd3
commit eb0c6549c4
7 changed files with 42 additions and 28 deletions
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14
internal/util/util.go
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@@ -290,6 +290,8 @@ func ParseBytes(s string) (int64, error) {
}
// BytesToString converts []byte to string without allocations.
// https://github.com/kubernetes/kubernetes/blob/e4b74dd12fa8cb63c174091d5536a10b8ec19d34/staging/src/k8s.io/apiserver/pkg/authentication/token/cache/cached_token_authenticator.go#L278
// Use only if strictly required, this method uses unsafe.
func BytesToString(b []byte) string {
// unsafe.SliceData relies on cap whereas we want to rely on len
if len(b) == 0 {
@@ -299,6 +301,18 @@ func BytesToString(b []byte) string {
return unsafe.String(unsafe.SliceData(b), len(b))
}
// StringToBytes convert string to []byte without allocations.
// https://github.com/kubernetes/kubernetes/blob/e4b74dd12fa8cb63c174091d5536a10b8ec19d34/staging/src/k8s.io/apiserver/pkg/authentication/token/cache/cached_token_authenticator.go#L289
// Use only if strictly required, this method uses unsafe.
func StringToBytes(s string) []byte {
// unsafe.StringData is unspecified for the empty string, so we provide a strict interpretation
if s == "" {
return nil
}
// https://github.com/golang/go/blob/4ed358b57efdad9ed710be7f4fc51495a7620ce2/src/os/file.go#L300
return unsafe.Slice(unsafe.StringData(s), len(s))
}
// GetIPFromRemoteAddress returns the IP from the remote address.
// If the given remote address cannot be parsed it will be returned unchanged
func GetIPFromRemoteAddress(remoteAddress string) string {