forked from TrueCloudLab/frostfs-node
140 lines
2.8 KiB
Go
140 lines
2.8 KiB
Go
package engine
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import (
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"errors"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
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objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
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"go.uber.org/zap"
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)
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// PutPrm groups the parameters of Put operation.
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type PutPrm struct {
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obj *objectSDK.Object
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}
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// PutRes groups the resulting values of Put operation.
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type PutRes struct{}
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var errPutShard = errors.New("could not put object to any shard")
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// WithObject is a Put option to set object to save.
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//
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// Option is required.
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func (p *PutPrm) WithObject(obj *objectSDK.Object) *PutPrm {
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if p != nil {
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p.obj = obj
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}
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return p
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}
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// Put saves the object to local storage.
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//
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// Returns any error encountered that
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// did not allow to completely save the object.
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//
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// Returns an error if executions are blocked (see BlockExecution).
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//
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// Returns an error of type apistatus.ObjectAlreadyRemoved if the object has been marked as removed.
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func (e *StorageEngine) Put(prm *PutPrm) (res *PutRes, err error) {
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err = e.execIfNotBlocked(func() error {
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res, err = e.put(prm)
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return err
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})
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return
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}
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func (e *StorageEngine) put(prm *PutPrm) (*PutRes, error) {
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if e.metrics != nil {
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defer elapsed(e.metrics.AddPutDuration)()
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}
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addr := object.AddressOf(prm.obj)
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// In #1146 this check was parallelized, however, it became
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// much slower on fast machines for 4 shards.
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_, err := e.exists(addr)
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if err != nil {
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return nil, err
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}
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var existPrm shard.ExistsPrm
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existPrm.WithAddress(addr)
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finished := false
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e.iterateOverSortedShards(addr, func(ind int, sh hashedShard) (stop bool) {
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e.mtx.RLock()
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pool := e.shardPools[sh.ID().String()]
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e.mtx.RUnlock()
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exitCh := make(chan struct{})
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if err := pool.Submit(func() {
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defer close(exitCh)
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exists, err := sh.Exists(existPrm)
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if err != nil {
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return // this is not ErrAlreadyRemoved error so we can go to the next shard
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}
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if exists.Exists() {
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if ind != 0 {
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var toMoveItPrm shard.ToMoveItPrm
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toMoveItPrm.WithAddress(addr)
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_, err = sh.ToMoveIt(toMoveItPrm)
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if err != nil {
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e.log.Warn("could not mark object for shard relocation",
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zap.Stringer("shard", sh.ID()),
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zap.String("error", err.Error()),
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)
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}
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}
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finished = true
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return
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}
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var putPrm shard.PutPrm
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putPrm.WithObject(prm.obj)
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_, err = sh.Put(putPrm)
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if err != nil {
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e.log.Warn("could not put object in shard",
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zap.Stringer("shard", sh.ID()),
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zap.String("error", err.Error()),
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)
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return
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}
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finished = true
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}); err != nil {
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close(exitCh)
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}
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<-exitCh
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return finished
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})
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if !finished {
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err = errPutShard
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}
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return nil, err
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}
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// Put writes provided object to local storage.
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func Put(storage *StorageEngine, obj *objectSDK.Object) error {
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_, err := storage.Put(new(PutPrm).
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WithObject(obj),
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)
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return err
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}
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