122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
package putsvc
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import (
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"sync"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/network"
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svcutil "github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
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"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/transformer"
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"github.com/nspcc-dev/neofs-node/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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"github.com/pkg/errors"
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)
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type distributedTarget struct {
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traverseOpts []placement.Option
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workerPool util.WorkerPool
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obj *object.RawObject
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chunks [][]byte
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nodeTargetInitializer func(*network.Address) transformer.ObjectTarget
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fmt *object.FormatValidator
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log *logger.Logger
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}
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var errIncompletePut = errors.New("incomplete object put")
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func (t *distributedTarget) WriteHeader(obj *object.RawObject) error {
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t.obj = obj
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return nil
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}
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func (t *distributedTarget) Write(p []byte) (n int, err error) {
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t.chunks = append(t.chunks, p)
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return len(p), nil
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}
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func (t *distributedTarget) Close() (*transformer.AccessIdentifiers, error) {
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traverser, err := placement.NewTraverser(
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append(t.traverseOpts, placement.ForObject(t.obj.ID()))...,
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)
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if err != nil {
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return nil, errors.Wrapf(err, "(%T) could not create object placement traverser", t)
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}
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sz := 0
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for i := range t.chunks {
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sz += len(t.chunks[i])
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}
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payload := make([]byte, 0, sz)
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for i := range t.chunks {
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payload = append(payload, t.chunks[i]...)
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}
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if err := t.fmt.ValidateContent(t.obj.Type(), payload); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not validate payload content", t)
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}
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t.obj.SetPayload(payload)
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loop:
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for {
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addrs := traverser.Next()
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if len(addrs) == 0 {
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break
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}
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wg := new(sync.WaitGroup)
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for i := range addrs {
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wg.Add(1)
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addr := addrs[i]
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if err := t.workerPool.Submit(func() {
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defer wg.Done()
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target := t.nodeTargetInitializer(addr)
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if err := target.WriteHeader(t.obj); err != nil {
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svcutil.LogServiceError(t.log, "PUT", addr,
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errors.Wrap(err, "could not write header"))
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return
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} else if _, err := target.Close(); err != nil {
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svcutil.LogServiceError(t.log, "PUT", addr,
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errors.Wrap(err, "could not close object stream"))
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return
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}
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traverser.SubmitSuccess()
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}); err != nil {
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wg.Done()
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svcutil.LogWorkerPoolError(t.log, "PUT", err)
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break loop
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}
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}
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wg.Wait()
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}
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if !traverser.Success() {
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return nil, errIncompletePut
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}
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return new(transformer.AccessIdentifiers).
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WithSelfID(t.obj.ID()), nil
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}
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