mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package nl
|
|
|
|
import (
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
type IfAddrmsg struct {
|
|
unix.IfAddrmsg
|
|
}
|
|
|
|
func NewIfAddrmsg(family int) *IfAddrmsg {
|
|
return &IfAddrmsg{
|
|
IfAddrmsg: unix.IfAddrmsg{
|
|
Family: uint8(family),
|
|
},
|
|
}
|
|
}
|
|
|
|
// struct ifaddrmsg {
|
|
// __u8 ifa_family;
|
|
// __u8 ifa_prefixlen; /* The prefix length */
|
|
// __u8 ifa_flags; /* Flags */
|
|
// __u8 ifa_scope; /* Address scope */
|
|
// __u32 ifa_index; /* Link index */
|
|
// };
|
|
|
|
// type IfAddrmsg struct {
|
|
// Family uint8
|
|
// Prefixlen uint8
|
|
// Flags uint8
|
|
// Scope uint8
|
|
// Index uint32
|
|
// }
|
|
// SizeofIfAddrmsg = 0x8
|
|
|
|
func DeserializeIfAddrmsg(b []byte) *IfAddrmsg {
|
|
return (*IfAddrmsg)(unsafe.Pointer(&b[0:unix.SizeofIfAddrmsg][0]))
|
|
}
|
|
|
|
func (msg *IfAddrmsg) Serialize() []byte {
|
|
return (*(*[unix.SizeofIfAddrmsg]byte)(unsafe.Pointer(msg)))[:]
|
|
}
|
|
|
|
func (msg *IfAddrmsg) Len() int {
|
|
return unix.SizeofIfAddrmsg
|
|
}
|
|
|
|
// struct ifa_cacheinfo {
|
|
// __u32 ifa_prefered;
|
|
// __u32 ifa_valid;
|
|
// __u32 cstamp; /* created timestamp, hundredths of seconds */
|
|
// __u32 tstamp; /* updated timestamp, hundredths of seconds */
|
|
// };
|
|
|
|
const IFA_CACHEINFO = 6
|
|
const SizeofIfaCacheInfo = 0x10
|
|
|
|
type IfaCacheInfo struct {
|
|
IfaPrefered uint32
|
|
IfaValid uint32
|
|
Cstamp uint32
|
|
Tstamp uint32
|
|
}
|
|
|
|
func (msg *IfaCacheInfo) Len() int {
|
|
return SizeofIfaCacheInfo
|
|
}
|
|
|
|
func DeserializeIfaCacheInfo(b []byte) *IfaCacheInfo {
|
|
return (*IfaCacheInfo)(unsafe.Pointer(&b[0:SizeofIfaCacheInfo][0]))
|
|
}
|
|
|
|
func (msg *IfaCacheInfo) Serialize() []byte {
|
|
return (*(*[SizeofIfaCacheInfo]byte)(unsafe.Pointer(msg)))[:]
|
|
}
|