forked from TrueCloudLab/frostfs-node
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package blobovniczatree
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import (
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"context"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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"go.uber.org/zap"
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)
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// Open opens blobovnicza tree.
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func (b *Blobovniczas) Open(readOnly bool) error {
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b.readOnly = readOnly
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b.metrics.SetMode(readOnly)
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b.openManagers()
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return nil
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}
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// Init initializes blobovnicza tree.
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//
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// Should be called exactly once.
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func (b *Blobovniczas) Init() error {
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b.log.Debug(logs.BlobovniczatreeInitializingBlobovniczas)
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if b.readOnly {
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b.log.Debug(logs.BlobovniczatreeReadonlyModeSkipBlobovniczasInitialization)
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return nil
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}
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return b.iterateLeaves(context.TODO(), func(p string) (bool, error) {
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shBlz := b.getBlobovniczaWithoutCaching(p)
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_, err := shBlz.Open()
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if err != nil {
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return true, err
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}
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defer shBlz.Close()
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b.log.Debug(logs.BlobovniczatreeBlobovniczaSuccessfullyInitializedClosing, zap.String("id", p))
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return false, nil
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})
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}
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func (b *Blobovniczas) openManagers() {
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b.commondbManager.Open() // order important
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b.activeDBManager.Open()
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b.dbCache.Open()
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}
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// Close implements common.Storage.
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func (b *Blobovniczas) Close() error {
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b.dbCache.Close() // order important
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b.activeDBManager.Close()
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b.commondbManager.Close()
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return nil
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}
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// returns blobovnicza with path p
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//
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// If blobovnicza is already cached, instance from cache is returned w/o changes.
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func (b *Blobovniczas) getBlobovnicza(p string) *sharedDB {
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return b.dbCache.GetOrCreate(p)
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}
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func (b *Blobovniczas) getBlobovniczaWithoutCaching(p string) *sharedDB {
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return b.commondbManager.GetByPath(p)
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}
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