.github
alerting
client
config
controller
core
docs
example
jsonpath
k8s
k8stest
metric
pattern
security
static
vendor
cloud.google.com
github.com
golang.org
x
crypto
net
bpf
context
http
http2
icmp
idna
internal
ipv4
batch.go
control.go
control_bsd.go
control_pktinfo.go
control_stub.go
control_unix.go
control_windows.go
control_zos.go
dgramopt.go
doc.go
endpoint.go
genericopt.go
header.go
helper.go
iana.go
icmp.go
icmp_linux.go
icmp_stub.go
packet.go
payload.go
payload_cmsg.go
payload_nocmsg.go
sockopt.go
sockopt_posix.go
sockopt_stub.go
sys_aix.go
sys_asmreq.go
sys_asmreq_stub.go
sys_asmreqn.go
sys_asmreqn_stub.go
sys_bpf.go
sys_bpf_stub.go
sys_bsd.go
sys_darwin.go
sys_dragonfly.go
sys_freebsd.go
sys_linux.go
sys_solaris.go
sys_ssmreq.go
sys_ssmreq_stub.go
sys_stub.go
sys_windows.go
sys_zos.go
zsys_aix_ppc64.go
zsys_darwin.go
zsys_dragonfly.go
zsys_freebsd_386.go
zsys_freebsd_amd64.go
zsys_freebsd_arm.go
zsys_freebsd_arm64.go
zsys_linux_386.go
zsys_linux_amd64.go
zsys_linux_arm.go
zsys_linux_arm64.go
zsys_linux_mips.go
zsys_linux_mips64.go
zsys_linux_mips64le.go
zsys_linux_mipsle.go
zsys_linux_ppc.go
zsys_linux_ppc64.go
zsys_linux_ppc64le.go
zsys_linux_riscv64.go
zsys_linux_s390x.go
zsys_netbsd.go
zsys_openbsd.go
zsys_solaris.go
zsys_zos_s390x.go
ipv6
AUTHORS
CONTRIBUTORS
LICENSE
PATENTS
oauth2
sys
term
text
time
google.golang.org
gopkg.in
k8s.io
sigs.k8s.io
modules.txt
watchdog
.dockerignore
.gitattributes
.gitignore
Dockerfile
LICENSE.md
README.md
config.yaml
go.mod
go.sum
main.go
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build aix darwin dragonfly freebsd netbsd openbsd
|
|
|
|
package ipv4
|
|
|
|
import (
|
|
"net"
|
|
"syscall"
|
|
"unsafe"
|
|
|
|
"golang.org/x/net/internal/iana"
|
|
"golang.org/x/net/internal/socket"
|
|
)
|
|
|
|
func marshalDst(b []byte, cm *ControlMessage) []byte {
|
|
m := socket.ControlMessage(b)
|
|
m.MarshalHeader(iana.ProtocolIP, sysIP_RECVDSTADDR, net.IPv4len)
|
|
return m.Next(net.IPv4len)
|
|
}
|
|
|
|
func parseDst(cm *ControlMessage, b []byte) {
|
|
if len(cm.Dst) < net.IPv4len {
|
|
cm.Dst = make(net.IP, net.IPv4len)
|
|
}
|
|
copy(cm.Dst, b[:net.IPv4len])
|
|
}
|
|
|
|
func marshalInterface(b []byte, cm *ControlMessage) []byte {
|
|
m := socket.ControlMessage(b)
|
|
m.MarshalHeader(iana.ProtocolIP, sysIP_RECVIF, syscall.SizeofSockaddrDatalink)
|
|
return m.Next(syscall.SizeofSockaddrDatalink)
|
|
}
|
|
|
|
func parseInterface(cm *ControlMessage, b []byte) {
|
|
var sadl syscall.SockaddrDatalink
|
|
copy((*[unsafe.Sizeof(sadl)]byte)(unsafe.Pointer(&sadl))[:], b)
|
|
cm.IfIndex = int(sadl.Index)
|
|
}
|