88 lines
1.3 KiB
Go
88 lines
1.3 KiB
Go
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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package state
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import "strings"
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const (
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// Zero value
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NULL State = 0
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// VRRP instance is master and owns the VIP
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MASTER = 1 << iota
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// VRRP instance is now a backup, and does not own the VIP
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BACKUP
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// VRRP instance has exited
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STOP
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// Unknown state was encountered, aliases NULL
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UNKNOWN State = NULL
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)
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var (
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s2s map[string]State = map[string]State{
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"MASTER": MASTER,
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"BACKUP": BACKUP,
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"STOP": STOP,
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}
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)
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func ParseState(i string) State {
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i = strings.TrimSpace(i)
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s, ok := s2s[i]
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if !ok {
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return UNKNOWN
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}
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return s
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}
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type State uint8
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func (t State) Has(flag State) bool {
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return t&flag != 0
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}
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func (s State) Is(other State) bool {
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return s == other
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}
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func (s State) IsMaster() bool {
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return s.Is(MASTER)
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}
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func (s State) IsBackup() bool {
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return s.Is(BACKUP)
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}
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func (s State) IsStop() bool {
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return s.Is(STOP)
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}
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func (s State) IsUnknown() bool {
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return s.Is(UNKNOWN)
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}
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func (s State) String() string {
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var o string
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switch s {
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case UNKNOWN:
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o = "UNKNOWN"
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case MASTER:
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o = "MASTER"
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case BACKUP:
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o = "BACKUP"
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case STOP:
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o = "STOP"
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default:
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panic("missing case in notify/ty/flags.go:String()")
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}
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return o
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}
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