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[#235] object/getrangehash: Implement new service processing

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Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2020-12-08 19:18:24 +03:00 committed by Alex Vanin
parent 0fc5ea674c
commit 7e56427534
7 changed files with 151 additions and 31 deletions
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27
cmd/neofs-node/object.go
View file

@ -28,8 +28,6 @@ import (
headsvcV2 "github.com/nspcc-dev/neofs-node/pkg/services/object/head/v2"
putsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/put"
putsvcV2 "github.com/nspcc-dev/neofs-node/pkg/services/object/put/v2"
rangehashsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/rangehash"
rangehashsvcV2 "github.com/nspcc-dev/neofs-node/pkg/services/object/rangehash/v2"
searchsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/search"
searchsvcV2 "github.com/nspcc-dev/neofs-node/pkg/services/object/search/v2"
"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
@ -50,8 +48,6 @@ type objectSvc struct {
get *getsvcV2.Service
rngHash *rangehashsvcV2.Service
delete *deletesvcV2.Service
}
@ -164,7 +160,7 @@ func (s *objectSvc) GetRange(req *object.GetRangeRequest, stream objectService.G
}
func (s *objectSvc) GetRangeHash(ctx context.Context, req *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
return s.rngHash.GetRangeHash(ctx, req)
return s.get.GetRangeHash(ctx, req)
}
type localObjectRemover struct {
@ -370,26 +366,6 @@ func initObjectService(c *cfg) {
getsvcV2.WithKeyStorage(keyStorage),
)
sRangeHash := rangehashsvc.NewService(
rangehashsvc.WithKeyStorage(keyStorage),
rangehashsvc.WithClientCache(clientCache),
rangehashsvc.WithLocalStorage(ls),
rangehashsvc.WithContainerSource(c.cfgObject.cnrStorage),
rangehashsvc.WithNetworkMapSource(c.cfgObject.netMapStorage),
rangehashsvc.WithLocalAddressSource(c),
rangehashsvc.WithHeadService(sHead),
rangehashsvc.WithRangeService(sGet),
rangehashsvc.WithWorkerPool(c.cfgObject.pool.rngHash),
rangehashsvc.WithLogger(c.log),
rangehashsvc.WithClientOptions(
client.WithDialTimeout(c.viper.GetDuration(cfgObjectRangeHashDialTimeout)),
),
)
sRangeHashV2 := rangehashsvcV2.NewService(
rangehashsvcV2.WithInternalService(sRangeHash),
)
sDelete := deletesvc.NewService(
deletesvc.WithKeyStorage(keyStorage),
deletesvc.WitHeadService(sHead),
@ -429,7 +405,6 @@ func initObjectService(c *cfg) {
search: sSearchV2,
head: sHeadV2,
get: sGetV2,
rngHash: sRangeHashV2,
delete: sDeleteV2,
},
),

31
pkg/services/object/get/get.go
View file

@ -19,6 +19,37 @@ func (s *Service) GetRange(ctx context.Context, prm RangePrm) error {
return s.get(ctx, prm).err
}
func (s *Service) GetRangeHash(ctx context.Context, prm RangeHashPrm) (*RangeHashRes, error) {
hashes := make([][]byte, 0, len(prm.rngs))
for _, rng := range prm.rngs {
h := prm.hashGen()
// TODO: calculating of homomorphic hash (TZ) for "big" ranges can be optimized
// by "smaller" range hash requests spawn and response concatenation.
// NOTE: for non-homomorphic hashes (SHA256) this won't work with split-range.
rngPrm := RangePrm{
commonPrm: prm.commonPrm,
}
rngPrm.SetRange(rng)
rngPrm.SetChunkWriter(&hasherWrapper{
hash: h,
})
if err := s.GetRange(ctx, rngPrm); err != nil {
return nil, err
}
hashes = append(hashes, h.Sum(nil))
}
return &RangeHashRes{
hashes: hashes,
}, nil
}
func (s *Service) get(ctx context.Context, prm RangePrm) statusError {
exec := &execCtx{
svc: s,

20
pkg/services/object/get/prm.go
View file

@ -2,6 +2,7 @@ package getsvc
import (
"crypto/ecdsa"
"hash"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
@ -21,6 +22,15 @@ type RangePrm struct {
rng *objectSDK.Range
}
// RangeHashPrm groups parameters of GetRange service call.
type RangeHashPrm struct {
commonPrm
hashGen func() hash.Hash
rngs []*objectSDK.Range
}
type commonPrm struct {
objWriter ObjectWriter
@ -72,3 +82,13 @@ func (p *RangePrm) SetChunkWriter(w ChunkWriter) {
func (p *RangePrm) SetRange(rng *objectSDK.Range) {
p.rng = rng
}
// SetRangeList sets list of object payload ranges.
func (p *RangeHashPrm) SetRangeList(rngs []*objectSDK.Range) {
p.rngs = rngs
}
// SetHashGenerator sets constructor of hashing algorithm.
func (p *RangeHashPrm) SetHashGenerator(v func() hash.Hash) {
p.hashGen = v
}

9
pkg/services/object/get/res.go Normal file
View file

@ -0,0 +1,9 @@
package getsvc
type RangeHashRes struct {
hashes [][]byte
}
func (r *RangeHashRes) Hashes() [][]byte {
return r.hashes
}

10
pkg/services/object/get/util.go
View file

@ -3,6 +3,7 @@ package getsvc
import (
"context"
"crypto/ecdsa"
"hash"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
@ -42,6 +43,10 @@ type rangeWriter struct {
chunkWriter ChunkWriter
}
type hasherWrapper struct {
hash hash.Hash
}
func newSimpleObjectWriter() *simpleObjectWriter {
return &simpleObjectWriter{
obj: object.NewRaw(),
@ -156,3 +161,8 @@ func payloadOnlyObject(payload []byte) *objectSDK.Object {
return rawObj.Object().SDK()
}
func (h *hasherWrapper) WriteChunk(p []byte) error {
_, err := h.hash.Write(p)
return err
}

17
pkg/services/object/get/v2/service.go
View file

@ -1,6 +1,8 @@
package getsvc
import (
"context"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
@ -74,6 +76,21 @@ func (s *Service) GetRange(req *objectV2.GetRangeRequest, stream objectSvc.GetOb
}
}
// GetRangeHash calls internal service and returns v2 response.
func (s *Service) GetRangeHash(ctx context.Context, req *objectV2.GetRangeHashRequest) (*objectV2.GetRangeHashResponse, error) {
p, err := s.toHashRangePrm(req)
if err != nil {
return nil, err
}
res, err := s.svc.GetRangeHash(ctx, *p)
if err != nil {
return nil, err
}
return toHashResponse(req.GetBody().GetType(), res), nil
}
func WithInternalService(v *getsvc.Service) Option {
return func(c *cfg) {
c.svc = v

58
pkg/services/object/get/v2/util.go
View file

@ -1,14 +1,20 @@
package getsvc
import (
"crypto/sha256"
"hash"
"github.com/nspcc-dev/neofs-api-go/pkg"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-api-go/pkg/token"
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/nspcc-dev/neofs-api-go/v2/session"
objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
getsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/get"
"github.com/nspcc-dev/tzhash/tz"
"github.com/pkg/errors"
)
func (s *Service) toPrm(req *objectV2.GetRequest, stream objectSvc.GetObjectStream) (*getsvc.Prm, error) {
@ -52,6 +58,46 @@ func (s *Service) toRangePrm(req *objectV2.GetRangeRequest, stream objectSvc.Get
return p, nil
}
func (s *Service) toHashRangePrm(req *objectV2.GetRangeHashRequest) (*getsvc.RangeHashPrm, error) {
meta := req.GetMetaHeader()
key, err := s.keyStorage.GetKey(token.NewSessionTokenFromV2(meta.GetSessionToken()))
if err != nil {
return nil, err
}
p := new(getsvc.RangeHashPrm)
p.SetPrivateKey(key)
body := req.GetBody()
p.WithAddress(object.NewAddressFromV2(body.GetAddress()))
p.SetRemoteCallOptions(remoteCallOptionsFromMeta(meta)...)
rngsV2 := body.GetRanges()
rngs := make([]*object.Range, 0, len(rngsV2))
for i := range rngsV2 {
rngs = append(rngs, object.NewRangeFromV2(rngsV2[i]))
}
p.SetRangeList(rngs)
switch t := body.GetType(); t {
default:
return nil, errors.Errorf("unknown checksum type %v", t)
case refs.SHA256:
p.SetHashGenerator(func() hash.Hash {
return sha256.New()
})
case refs.TillichZemor:
p.SetHashGenerator(func() hash.Hash {
return tz.New()
})
}
return p, nil
}
// can be shared accross all services
func remoteCallOptionsFromMeta(meta *session.RequestMetaHeader) []client.CallOption {
xHdrs := meta.GetXHeaders()
@ -92,3 +138,15 @@ func splitInfoRangeResponse(info *object.SplitInfo) *objectV2.GetRangeResponse {
return resp
}
func toHashResponse(typ refs.ChecksumType, res *getsvc.RangeHashRes) *objectV2.GetRangeHashResponse {
resp := new(objectV2.GetRangeHashResponse)
body := new(objectV2.GetRangeHashResponseBody)
resp.SetBody(body)
body.SetType(typ)
body.SetHashList(res.Hashes())
return resp
}