mirror of https://github.com/status-im/consul.git
ae: restore previous pause/resume behavior
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aba072bd1d
commit
e2452efed8
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@ -77,7 +77,7 @@ type StateSyncer struct {
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// paused stores whether sync runs are temporarily disabled.
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pauseLock sync.Mutex
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paused bool
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paused int
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}
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func NewStateSyner(state State, intv time.Duration, shutdownCh chan struct{}, logger *log.Logger) *StateSyncer {
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@ -180,7 +180,7 @@ FullSync:
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func (s *StateSyncer) ifNotPausedRun(f func() error) error {
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s.pauseLock.Lock()
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defer s.pauseLock.Unlock()
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if s.paused {
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if s.paused != 0 {
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return errPaused
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}
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return f()
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@ -189,10 +189,7 @@ func (s *StateSyncer) ifNotPausedRun(f func() error) error {
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// Pause temporarily disables sync runs.
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func (s *StateSyncer) Pause() {
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s.pauseLock.Lock()
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if s.paused {
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panic("pause while paused")
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}
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s.paused = true
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s.paused++
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s.pauseLock.Unlock()
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}
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@ -200,16 +197,18 @@ func (s *StateSyncer) Pause() {
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func (s *StateSyncer) Paused() bool {
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s.pauseLock.Lock()
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defer s.pauseLock.Unlock()
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return s.paused
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return s.paused != 0
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}
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// Resume re-enables sync runs.
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func (s *StateSyncer) Resume() {
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s.pauseLock.Lock()
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if !s.paused {
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panic("resume while not paused")
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s.paused--
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if s.paused < 0 {
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panic("unbalanced pause/resume")
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}
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if s.paused == 0 {
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s.SyncChanges.Trigger()
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}
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s.paused = false
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s.pauseLock.Unlock()
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s.SyncChanges.Trigger()
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}
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