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[#446] innerring: Use less mutex locks in indexer

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Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2021-03-26 11:36:07 +03:00 committed by Alex Vanin
parent e05f1e1394
commit 1d1fc04ac9
1 changed files with 32 additions and 32 deletions
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54
pkg/innerring/indexer.go
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@ -10,18 +10,24 @@ import (
"github.com/pkg/errors"
)
type innerRingIndexer struct {
type (
innerRingIndexer struct {
sync.RWMutex
cli *client.Client
key *ecdsa.PublicKey
timeout time.Duration
innerRingIndex, innerRingSize int32
alphabetIndex int32
ind indexes
lastAccess time.Time
}
}
indexes struct {
innerRingIndex, innerRingSize int32
alphabetIndex int32
}
)
func newInnerRingIndexer(cli *client.Client, key *ecdsa.PublicKey, to time.Duration) *innerRingIndexer {
return &innerRingIndexer{
@ -31,12 +37,12 @@ func newInnerRingIndexer(cli *client.Client, key *ecdsa.PublicKey, to time.Durat
}
}
func (s *innerRingIndexer) update() (err error) {
func (s *innerRingIndexer) update() (ind indexes, err error) {
s.RLock()
if time.Since(s.lastAccess) < s.timeout {
s.RUnlock()
return nil
return s.ind, nil
}
s.RUnlock()
@ -45,53 +51,47 @@ func (s *innerRingIndexer) update() (err error) {
defer s.Unlock()
if time.Since(s.lastAccess) < s.timeout {
return nil
return s.ind, nil
}
s.innerRingIndex, s.innerRingSize, err = invoke.InnerRingIndex(s.cli, s.key)
s.ind.innerRingIndex, s.ind.innerRingSize, err = invoke.InnerRingIndex(s.cli, s.key)
if err != nil {
return err
return indexes{}, err
}
s.alphabetIndex, err = invoke.AlphabetIndex(s.cli, s.key)
s.ind.alphabetIndex, err = invoke.AlphabetIndex(s.cli, s.key)
if err != nil {
return err
return indexes{}, err
}
s.lastAccess = time.Now()
return nil
return s.ind, nil
}
func (s *innerRingIndexer) InnerRingIndex() (int32, error) {
if err := s.update(); err != nil {
ind, err := s.update()
if err != nil {
return 0, errors.Wrap(err, "can't update index state")
}
s.RLock()
defer s.RUnlock()
return s.innerRingIndex, nil
return ind.innerRingIndex, nil
}
func (s *innerRingIndexer) InnerRingSize() (int32, error) {
if err := s.update(); err != nil {
ind, err := s.update()
if err != nil {
return 0, errors.Wrap(err, "can't update index state")
}
s.RLock()
defer s.RUnlock()
return s.innerRingSize, nil
return ind.innerRingSize, nil
}
func (s *innerRingIndexer) AlphabetIndex() (int32, error) {
if err := s.update(); err != nil {
ind, err := s.update()
if err != nil {
return 0, errors.Wrap(err, "can't update index state")
}
s.RLock()
defer s.RUnlock()
return s.alphabetIndex, nil
return ind.alphabetIndex, nil
}