package vrrp
|
|
import (
|
"net"
|
"time"
|
)
|
|
type VRRPVersion byte
|
|
const (
|
VRRPv1 VRRPVersion = 1
|
VRRPv2 VRRPVersion = 2
|
VRRPv3 VRRPVersion = 3
|
)
|
|
func (v VRRPVersion) String() string {
|
switch v {
|
case VRRPv1:
|
return "VRRPVersion1"
|
case VRRPv2:
|
return "VRRPVersion2"
|
case VRRPv3:
|
return "VRRPVersion3"
|
default:
|
return "unknown VRRP version"
|
}
|
}
|
|
const (
|
IPv4 = 4
|
IPv6 = 6
|
)
|
|
const (
|
INIT = iota
|
MASTER
|
BACKUP
|
)
|
|
const (
|
VRRPMultiTTL = 255
|
VRRPIPProtocolNumber = 112
|
)
|
|
var VRRPMultiAddrIPv4 = net.IPv4(224, 0, 0, 18)
|
var VRRPMultiAddrIPv6 = net.ParseIP("FF02:0:0:0:0:0:0:12")
|
|
var BaordcastHADDR, _ = net.ParseMAC("ff:ff:ff:ff:ff:ff")
|
|
type EVENT byte
|
|
const (
|
SHUTDOWN EVENT = iota
|
START
|
)
|
|
func (e EVENT) String() string {
|
switch e {
|
case START:
|
return "START"
|
case SHUTDOWN:
|
return "SHUTDOWN"
|
default:
|
return "unknown event"
|
}
|
}
|
|
const PACKETQUEUESIZE = 1000
|
const EVENTCHANNELSIZE = 1
|
|
type transition int
|
|
func (t transition) String() string {
|
switch t {
|
case Master2Backup:
|
return "master to backup"
|
case Backup2Master:
|
return "backup to master"
|
case Init2Master:
|
return "init to master"
|
case Init2Backup:
|
return "init to backup"
|
case Backup2Init:
|
return "backup to init"
|
case Master2Init:
|
return "master to init"
|
default:
|
return "unknown transition"
|
}
|
}
|
|
const (
|
Master2Backup transition = iota
|
Backup2Master
|
Init2Master
|
Init2Backup
|
Master2Init
|
Backup2Init
|
)
|
|
var (
|
defaultPreempt = true
|
defaultPriority byte = 100
|
defaultAdvertisementInterval = 1 * time.Second
|
)
|
