netlink/nl/addr_linux.go

77 lines
1.6 KiB
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package nl
import (
"syscall"
"unsafe"
)
type IfAddrmsg struct {
syscall.IfAddrmsg
}
func NewIfAddrmsg(family int) *IfAddrmsg {
return &IfAddrmsg{
IfAddrmsg: syscall.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:syscall.SizeofIfAddrmsg][0]))
}
func (msg *IfAddrmsg) Serialize() []byte {
return (*(*[syscall.SizeofIfAddrmsg]byte)(unsafe.Pointer(msg)))[:]
}
func (msg *IfAddrmsg) Len() int {
return syscall.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)))[:]
}