forked from TrueCloudLab/frostfs-node
[#53] services/object: Implement GetRangeHash service
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich
Alex Vanin
parent
9d8576d397
commit
0a51263e72
9 changed files with 765 additions and 0 deletions
139
pkg/services/object/rangehash/distributed.go
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139
pkg/services/object/rangehash/distributed.go
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package rangehashsvc
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import (
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"context"
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"sync"
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"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
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"github.com/nspcc-dev/neofs-node/pkg/network"
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"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/pkg/errors"
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)
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type distributedHasher struct {
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*cfg
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traverser *placement.Traverser
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}
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func (h *distributedHasher) head(ctx context.Context, prm *Prm) (*Response, error) {
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if err := h.prepare(ctx, prm); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not prepare parameters", h)
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}
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return h.finish(ctx, prm)
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}
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func (h *distributedHasher) prepare(ctx context.Context, prm *Prm) error {
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var err error
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// get latest network map
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nm, err := netmap.GetLatestNetworkMap(h.netMapSrc)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not get latest network map", h)
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}
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// get container to read the object
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cnr, err := h.cnrSrc.Get(prm.addr.GetContainerID())
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if err != nil {
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return errors.Wrapf(err, "(%T) could not get container by ID", h)
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}
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// allocate placement traverser options
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traverseOpts := make([]placement.Option, 0, 4)
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// add common options
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traverseOpts = append(traverseOpts,
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// set processing container
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placement.ForContainer(cnr),
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// set success count (1st incoming hashes)
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placement.SuccessAfter(1),
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// set identifier of the processing object
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placement.ForObject(prm.addr.GetObjectID()),
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)
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// create placement builder from network map
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builder := placement.NewNetworkMapBuilder(nm)
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if prm.local {
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// use local-only placement builder
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builder = util.NewLocalPlacement(builder, h.localAddrSrc)
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}
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// set placement builder
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traverseOpts = append(traverseOpts, placement.UseBuilder(builder))
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// build placement traverser
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if h.traverser, err = placement.NewTraverser(traverseOpts...); err != nil {
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return errors.Wrapf(err, "(%T) could not build placement traverser", h)
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}
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return nil
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}
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func (h *distributedHasher) finish(ctx context.Context, prm *Prm) (*Response, error) {
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resp := new(Response)
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w := &onceHashWriter{
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once: new(sync.Once),
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traverser: h.traverser,
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resp: resp,
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}
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ctx, w.cancel = context.WithCancel(ctx)
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loop:
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for {
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addrs := h.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 := h.workerPool.Submit(func() {
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defer wg.Done()
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var hasher interface {
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hashRange(context.Context, *Prm, func([][]byte)) error
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}
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if network.IsLocalAddress(h.localAddrSrc, addr) {
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hasher = &localHasher{
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storage: h.localStore,
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}
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} else {
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hasher = &remoteHasher{
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key: h.key,
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node: addr,
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}
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}
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if err := hasher.hashRange(ctx, prm, w.write); err != nil {
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// TODO: log error
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return
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}
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}); err != nil {
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wg.Done()
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// TODO: log error
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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 !h.traverser.Success() {
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return nil, errors.Errorf("(%T) incomplete object GetRangeHash operation", h)
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}
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return resp, nil
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}
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57
pkg/services/object/rangehash/local.go
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57
pkg/services/object/rangehash/local.go
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@ -0,0 +1,57 @@
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package rangehashsvc
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import (
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"context"
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"crypto/sha256"
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"fmt"
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"hash"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/localstore"
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"github.com/nspcc-dev/neofs-node/pkg/util"
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"github.com/nspcc-dev/tzhash/tz"
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"github.com/pkg/errors"
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)
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type localHasher struct {
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storage *localstore.Storage
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}
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func (h *localHasher) hashRange(ctx context.Context, prm *Prm, handler func([][]byte)) error {
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obj, err := h.storage.Get(prm.addr)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not get object from local storage", h)
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}
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payload := obj.GetPayload()
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hashes := make([][]byte, 0, len(prm.rngs))
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var hasher hash.Hash
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switch prm.typ {
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default:
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panic(fmt.Sprintf("unexpected checksum type %v", prm.typ))
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case pkg.ChecksumSHA256:
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hasher = sha256.New()
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case pkg.ChecksumTZ:
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hasher = tz.New()
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}
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for i := range prm.rngs {
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left := prm.rngs[i].GetOffset()
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right := left + prm.rngs[i].GetLength()
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if ln := uint64(len(payload)); ln < right {
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return errors.Errorf("(%T) object range is out-of-boundaries (size %d, range [%d:%d]", h, ln, left, right)
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}
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hasher.Reset()
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hasher.Write(util.SaltXOR(payload[left:right], prm.salt))
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hashes = append(hashes, hasher.Sum(nil))
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}
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handler(hashes)
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return nil
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}
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50
pkg/services/object/rangehash/prm.go
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50
pkg/services/object/rangehash/prm.go
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@ -0,0 +1,50 @@
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package rangehashsvc
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import (
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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)
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type Prm struct {
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local bool
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addr *object.Address
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typ pkg.ChecksumType
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rngs []*object.Range
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salt []byte
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}
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func (p *Prm) OnlyLocal(v bool) *Prm {
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if p != nil {
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p.local = v
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}
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return p
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}
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func (p *Prm) WithAddress(v *object.Address) *Prm {
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if p != nil {
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p.addr = v
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}
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return p
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}
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func (p *Prm) WithChecksumType(typ pkg.ChecksumType) *Prm {
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if p != nil {
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p.typ = typ
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}
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return p
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}
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func (p *Prm) FromRanges(v ...*object.Range) *Prm {
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if p != nil {
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p.rngs = v
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}
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return p
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}
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67
pkg/services/object/rangehash/remote.go
Normal file
67
pkg/services/object/rangehash/remote.go
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@ -0,0 +1,67 @@
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package rangehashsvc
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import (
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"context"
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"crypto/ecdsa"
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"fmt"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/pkg/client"
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"github.com/nspcc-dev/neofs-node/pkg/network"
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"github.com/pkg/errors"
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)
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type remoteHasher struct {
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key *ecdsa.PrivateKey
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node *network.Address
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}
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func (h *remoteHasher) hashRange(ctx context.Context, prm *Prm, handler func([][]byte)) error {
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addr := h.node.NetAddr()
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c, err := client.New(h.key,
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client.WithAddress(addr),
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)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not create SDK client %s", h, addr)
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}
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hashes := make([][]byte, 0, len(prm.rngs))
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p := new(client.RangeChecksumParams).
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WithAddress(prm.addr).
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WithSalt(prm.salt).
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WithRangeList(prm.rngs...)
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opts := []client.CallOption{
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client.WithTTL(1), // FIXME: use constant
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}
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switch prm.typ {
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default:
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panic(fmt.Sprintf("unexpected checksum type %v", prm.typ))
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case pkg.ChecksumSHA256:
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v, err := c.ObjectPayloadRangeSHA256(ctx, p, opts...)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not get SHA256 checksum from %s", h, addr)
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}
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for i := range v {
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hashes = append(hashes, v[i][:])
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}
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case pkg.ChecksumTZ:
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v, err := c.ObjectPayloadRangeTZ(ctx, p, opts...)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not get Tillich-Zemor checksum from %s", h, addr)
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}
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for i := range v {
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hashes = append(hashes, v[i][:])
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}
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}
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handler(hashes)
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return nil
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}
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9
pkg/services/object/rangehash/res.go
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9
pkg/services/object/rangehash/res.go
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package rangehashsvc
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type Response struct {
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hashes [][]byte
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}
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func (r *Response) Hashes() [][]byte {
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return r.hashes
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}
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267
pkg/services/object/rangehash/service.go
Normal file
267
pkg/services/object/rangehash/service.go
Normal file
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@ -0,0 +1,267 @@
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package rangehashsvc
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import (
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"context"
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"crypto/ecdsa"
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"crypto/sha256"
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"fmt"
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"io"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-node/pkg/core/container"
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"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/localstore"
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"github.com/nspcc-dev/neofs-node/pkg/network"
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headsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/head"
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rangesvc "github.com/nspcc-dev/neofs-node/pkg/services/object/range"
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objutil "github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/nspcc-dev/neofs-node/pkg/util"
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"github.com/pkg/errors"
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)
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type Service struct {
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*cfg
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}
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type Option func(*cfg)
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type cfg struct {
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key *ecdsa.PrivateKey
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localStore *localstore.Storage
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cnrSrc container.Source
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netMapSrc netmap.Source
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workerPool util.WorkerPool
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localAddrSrc network.LocalAddressSource
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headSvc *headsvc.Service
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rangeSvc *rangesvc.Service
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}
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func defaultCfg() *cfg {
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return &cfg{
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workerPool: new(util.SyncWorkerPool),
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}
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}
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func NewService(opts ...Option) *Service {
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c := defaultCfg()
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for i := range opts {
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opts[i](c)
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}
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return &Service{
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cfg: c,
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}
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}
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func (s *Service) GetRangeHash(ctx context.Context, prm *Prm) (*Response, error) {
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headResult, err := s.headSvc.Head(ctx, new(headsvc.Prm).
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WithAddress(prm.addr).
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OnlyLocal(prm.local),
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)
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if err != nil {
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return nil, errors.Wrapf(err, "(%T) could not receive Head result", s)
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}
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origin := headResult.Header()
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originSize := origin.GetPayloadSize()
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var minLeft, maxRight uint64
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for i := range prm.rngs {
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left := prm.rngs[i].GetOffset()
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right := left + prm.rngs[i].GetLength()
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if originSize < right {
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return nil, errors.Errorf("(%T) requested payload range is out-of-bounds", s)
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}
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if left < minLeft {
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minLeft = left
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}
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if right > maxRight {
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maxRight = right
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}
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}
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right := headResult.RightChild()
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if right == nil {
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right = origin
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}
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borderRng := new(object.Range)
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borderRng.SetOffset(minLeft)
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borderRng.SetLength(maxRight - minLeft)
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return s.getHashes(ctx, prm, objutil.NewRangeTraverser(originSize, right, borderRng))
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}
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func (s *Service) getHashes(ctx context.Context, prm *Prm, traverser *objutil.RangeTraverser) (*Response, error) {
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addr := object.NewAddress()
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addr.SetContainerID(prm.addr.GetContainerID())
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resp := &Response{
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hashes: make([][]byte, 0, len(prm.rngs)),
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}
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for _, rng := range prm.rngs {
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for {
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nextID, nextRng := traverser.Next()
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if nextRng != nil {
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break
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}
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addr.SetObjectID(nextID)
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head, err := s.headSvc.Head(ctx, new(headsvc.Prm).
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WithAddress(addr).
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OnlyLocal(prm.local),
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)
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if err != nil {
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return nil, errors.Wrapf(err, "(%T) could not receive object header", s)
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}
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traverser.PushHeader(head.Header())
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}
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traverser.SetSeekRange(rng)
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var hasher hasher
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for {
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nextID, nextRng := traverser.Next()
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if hasher == nil {
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if nextRng.GetLength() == rng.GetLength() {
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hasher = new(singleHasher)
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} else {
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switch prm.typ {
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default:
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panic(fmt.Sprintf("unexpected checksum type %v", prm.typ))
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case pkg.ChecksumSHA256:
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hasher = &commonHasher{h: sha256.New()}
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case pkg.ChecksumTZ:
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hasher = &tzHasher{
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hashes: make([][]byte, 0, 10),
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}
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}
|
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}
|
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}
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|
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if nextRng.GetLength() == 0 {
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break
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}
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addr.SetObjectID(nextID)
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if prm.typ == pkg.ChecksumSHA256 && nextRng.GetLength() != rng.GetLength() {
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// here we cannot receive SHA256 checksum through GetRangeHash service
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// since SHA256 is not homomorphic
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res, err := s.rangeSvc.GetRange(ctx, new(rangesvc.Prm).
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OnlyLocal(prm.local).
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WithAddress(addr).
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WithRange(nextRng),
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)
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if err != nil {
|
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return nil, errors.Wrapf(err, "(%T) could not receive payload range for %v checksum", s, prm.typ)
|
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}
|
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for stream := res.Stream(); ; {
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resp, err := stream.Recv()
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if errors.Is(errors.Cause(err), io.EOF) {
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break
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}
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hasher.add(resp.PayloadChunk())
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}
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} else {
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resp, err := (&distributedHasher{
|
||||
cfg: s.cfg,
|
||||
}).head(ctx, new(Prm).
|
||||
OnlyLocal(prm.local).
|
||||
WithAddress(addr).
|
||||
WithChecksumType(prm.typ).
|
||||
FromRanges(nextRng),
|
||||
)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "(%T) could not receive %v checksum", s, prm.typ)
|
||||
}
|
||||
|
||||
hs := resp.Hashes()
|
||||
if ln := len(hs); ln != 1 {
|
||||
return nil, errors.Errorf("(%T) unexpected %v hashes amount %d", s, prm.typ, ln)
|
||||
}
|
||||
|
||||
hasher.add(hs[0])
|
||||
}
|
||||
|
||||
traverser.PushSuccessSize(nextRng.GetLength())
|
||||
}
|
||||
|
||||
sum, err := hasher.sum()
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "(%T) could not calculate %v checksum", s, prm.typ)
|
||||
}
|
||||
|
||||
resp.hashes = append(resp.hashes, sum)
|
||||
}
|
||||
|
||||
return resp, nil
|
||||
}
|
||||
|
||||
func WithKey(v *ecdsa.PrivateKey) Option {
|
||||
return func(c *cfg) {
|
||||
c.key = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithLocalStorage(v *localstore.Storage) Option {
|
||||
return func(c *cfg) {
|
||||
c.localStore = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithContainerSource(v container.Source) Option {
|
||||
return func(c *cfg) {
|
||||
c.cnrSrc = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithNetworkMapSource(v netmap.Source) Option {
|
||||
return func(c *cfg) {
|
||||
c.netMapSrc = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithWorkerPool(v util.WorkerPool) Option {
|
||||
return func(c *cfg) {
|
||||
c.workerPool = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithLocalAddressSource(v network.LocalAddressSource) Option {
|
||||
return func(c *cfg) {
|
||||
c.localAddrSrc = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithHeadService(v *headsvc.Service) Option {
|
||||
return func(c *cfg) {
|
||||
c.headSvc = v
|
||||
}
|
||||
}
|
||||
|
||||
func WithRangeService(v *rangesvc.Service) Option {
|
||||
return func(c *cfg) {
|
||||
c.rangeSvc = v
|
||||
}
|
||||
}
|
||||
71
pkg/services/object/rangehash/util.go
Normal file
71
pkg/services/object/rangehash/util.go
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
package rangehashsvc
|
||||
|
||||
import (
|
||||
"context"
|
||||
"hash"
|
||||
"sync"
|
||||
|
||||
"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
|
||||
"github.com/nspcc-dev/tzhash/tz"
|
||||
)
|
||||
|
||||
type onceHashWriter struct {
|
||||
once *sync.Once
|
||||
|
||||
traverser *placement.Traverser
|
||||
|
||||
resp *Response
|
||||
|
||||
cancel context.CancelFunc
|
||||
}
|
||||
|
||||
type hasher interface {
|
||||
add([]byte)
|
||||
sum() ([]byte, error)
|
||||
}
|
||||
|
||||
type tzHasher struct {
|
||||
hashes [][]byte
|
||||
}
|
||||
|
||||
type commonHasher struct {
|
||||
h hash.Hash
|
||||
}
|
||||
|
||||
type singleHasher struct {
|
||||
hash []byte
|
||||
}
|
||||
|
||||
func (h *singleHasher) add(p []byte) {
|
||||
h.hash = p
|
||||
}
|
||||
|
||||
func (h *singleHasher) sum() ([]byte, error) {
|
||||
return h.hash, nil
|
||||
}
|
||||
|
||||
func (w *onceHashWriter) write(hs [][]byte) {
|
||||
w.once.Do(func() {
|
||||
w.resp.hashes = hs
|
||||
w.traverser.SubmitSuccess()
|
||||
w.cancel()
|
||||
})
|
||||
}
|
||||
|
||||
func (h *tzHasher) add(p []byte) {
|
||||
h.hashes = append(h.hashes, p)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (h *tzHasher) sum() ([]byte, error) {
|
||||
return tz.Concat(h.hashes)
|
||||
}
|
||||
|
||||
func (h *commonHasher) add(p []byte) {
|
||||
h.h.Write(p)
|
||||
}
|
||||
|
||||
func (h *commonHasher) sum() ([]byte, error) {
|
||||
return h.h.Sum(nil), nil
|
||||
}
|
||||
55
pkg/services/object/rangehash/v2/service.go
Normal file
55
pkg/services/object/rangehash/v2/service.go
Normal file
|
|
@ -0,0 +1,55 @@
|
|||
package rangehashsvc
|
||||
|
||||
import (
|
||||
"context"
|
||||
|
||||
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
|
||||
rangehashsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/rangehash"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
// Service implements GetRangeHash operation of Object service v2.
|
||||
type Service struct {
|
||||
*cfg
|
||||
}
|
||||
|
||||
// Option represents Service constructor option.
|
||||
type Option func(*cfg)
|
||||
|
||||
type cfg struct {
|
||||
svc *rangehashsvc.Service
|
||||
}
|
||||
|
||||
// NewService constructs Service instance from provided options.
|
||||
func NewService(opts ...Option) *Service {
|
||||
c := new(cfg)
|
||||
|
||||
for i := range opts {
|
||||
opts[i](c)
|
||||
}
|
||||
|
||||
return &Service{
|
||||
cfg: c,
|
||||
}
|
||||
}
|
||||
|
||||
// Head calls internal service and returns v2 object header.
|
||||
func (s *Service) GetRangeHash(ctx context.Context, req *objectV2.GetRangeHashRequest) (*objectV2.GetRangeHashResponse, error) {
|
||||
prm, err := toPrm(req)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "(%T) incorrect input parameters", s)
|
||||
}
|
||||
|
||||
r, err := s.svc.GetRangeHash(ctx, prm)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "(%T) could not get range hashes", s)
|
||||
}
|
||||
|
||||
return fromResponse(r, req.GetBody().GetType()), nil
|
||||
}
|
||||
|
||||
func WithInternalService(v *rangehashsvc.Service) Option {
|
||||
return func(c *cfg) {
|
||||
c.svc = v
|
||||
}
|
||||
}
|
||||
50
pkg/services/object/rangehash/v2/util.go
Normal file
50
pkg/services/object/rangehash/v2/util.go
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
package rangehashsvc
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neofs-api-go/pkg"
|
||||
"github.com/nspcc-dev/neofs-api-go/pkg/object"
|
||||
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
|
||||
"github.com/nspcc-dev/neofs-api-go/v2/refs"
|
||||
rangehashsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/rangehash"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
func toPrm(req *objectV2.GetRangeHashRequest) (*rangehashsvc.Prm, error) {
|
||||
body := req.GetBody()
|
||||
|
||||
var typ pkg.ChecksumType
|
||||
switch t := body.GetType(); t {
|
||||
default:
|
||||
return nil, errors.Errorf("unknown checksum type %v", t)
|
||||
case refs.SHA256:
|
||||
typ = pkg.ChecksumSHA256
|
||||
case refs.TillichZemor:
|
||||
typ = pkg.ChecksumTZ
|
||||
}
|
||||
|
||||
rngsV2 := body.GetRanges()
|
||||
rngs := make([]*object.Range, 0, len(rngsV2))
|
||||
|
||||
for i := range rngsV2 {
|
||||
rngs = append(rngs, object.NewRangeFromV2(rngsV2[i]))
|
||||
}
|
||||
|
||||
return new(rangehashsvc.Prm).
|
||||
WithAddress(
|
||||
object.NewAddressFromV2(body.GetAddress()),
|
||||
).
|
||||
OnlyLocal(req.GetMetaHeader().GetTTL() == 1). // FIXME: use constant
|
||||
WithChecksumType(typ).
|
||||
FromRanges(rngs...), nil
|
||||
}
|
||||
|
||||
func fromResponse(r *rangehashsvc.Response, typ refs.ChecksumType) *objectV2.GetRangeHashResponse {
|
||||
body := new(objectV2.GetRangeHashResponseBody)
|
||||
body.SetType(typ)
|
||||
body.SetHashList(r.Hashes())
|
||||
|
||||
resp := new(objectV2.GetRangeHashResponse)
|
||||
resp.SetBody(body)
|
||||
|
||||
return resp
|
||||
}
|
||||
Loading…
Reference in a new issue