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frostfs-node
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[#277] getsvc: Rename and reorder code 

Rename execCtx to request.
Move code to appropriate files.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
pull/298/head
Dmitrii Stepanov 2023-04-24 12:09:43 +03:00 committed by Evgenii Stratonikov
parent 1440450606
commit 45438e7b06
15 changed files with 442 additions and 445 deletions
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102
pkg/services/object/get/assemble.go
View File

@ -11,9 +11,9 @@ import (
"go.uber.org/zap"
)
func (exec *execCtx) assemble(ctx context.Context) {
if !exec.canAssemble() {
exec.log.Debug(logs.GetCanNotAssembleTheObject)
func (r *request) assemble(ctx context.Context) {
if !r.canAssemble() {
r.log.Debug(logs.GetCanNotAssembleTheObject)
return
}
@ -28,35 +28,35 @@ func (exec *execCtx) assemble(ctx context.Context) {
// - the assembly process is expected to be handled on a container node
// only since the requests forwarding mechanism presentation; such the
// node should have enough rights for getting any child object by design.
exec.prm.common.ForgetTokens()
r.prm.common.ForgetTokens()
// Do not use forwarding during assembly stage.
// Request forwarding closure inherited in produced
// `execCtx` so it should be disabled there.
exec.disableForwarding()
r.disableForwarding()
exec.log.Debug(logs.GetTryingToAssembleTheObject)
r.log.Debug(logs.GetTryingToAssembleTheObject)
assembler := newAssembler(exec.address(), exec.splitInfo(), exec.ctxRange(), exec)
assembler := newAssembler(r.address(), r.splitInfo(), r.ctxRange(), r)
exec.log.Debug(logs.GetAssemblingSplittedObject,
zap.Stringer("address", exec.address()),
zap.Uint64("range_offset", exec.ctxRange().GetOffset()),
zap.Uint64("range_length", exec.ctxRange().GetLength()),
r.log.Debug(logs.GetAssemblingSplittedObject,
zap.Stringer("address", r.address()),
zap.Uint64("range_offset", r.ctxRange().GetOffset()),
zap.Uint64("range_length", r.ctxRange().GetLength()),
)
defer exec.log.Debug(logs.GetAssemblingSplittedObjectCompleted,
zap.Stringer("address", exec.address()),
zap.Uint64("range_offset", exec.ctxRange().GetOffset()),
zap.Uint64("range_length", exec.ctxRange().GetLength()),
defer r.log.Debug(logs.GetAssemblingSplittedObjectCompleted,
zap.Stringer("address", r.address()),
zap.Uint64("range_offset", r.ctxRange().GetOffset()),
zap.Uint64("range_length", r.ctxRange().GetLength()),
)
obj, err := assembler.Assemble(ctx, exec.prm.objWriter)
obj, err := assembler.Assemble(ctx, r.prm.objWriter)
if err != nil {
exec.log.Warn(logs.GetFailedToAssembleSplittedObject,
r.log.Warn(logs.GetFailedToAssembleSplittedObject,
zap.Error(err),
zap.Stringer("address", exec.address()),
zap.Uint64("range_offset", exec.ctxRange().GetOffset()),
zap.Uint64("range_length", exec.ctxRange().GetLength()),
zap.Stringer("address", r.address()),
zap.Uint64("range_offset", r.ctxRange().GetOffset()),
zap.Uint64("range_length", r.ctxRange().GetLength()),
)
}
@ -68,27 +68,27 @@ func (exec *execCtx) assemble(ctx context.Context) {
switch {
default:
exec.status = statusUndefined
exec.err = err
r.status = statusUndefined
r.err = err
case err == nil:
exec.status = statusOK
exec.err = nil
exec.collectedObject = obj
r.status = statusOK
r.err = nil
r.collectedObject = obj
case errors.As(err, &errRemovedRemote):
exec.status = statusINHUMED
exec.err = errRemovedRemote
r.status = statusINHUMED
r.err = errRemovedRemote
case errors.As(err, &errRemovedLocal):
exec.status = statusINHUMED
exec.err = errRemovedLocal
r.status = statusINHUMED
r.err = errRemovedLocal
case errors.As(err, &errSplitInfo):
exec.status = statusVIRTUAL
exec.err = errSplitInfo
r.status = statusVIRTUAL
r.err = errSplitInfo
case errors.As(err, &errOutOfRangeRemote):
exec.status = statusOutOfRange
exec.err = errOutOfRangeRemote
r.status = statusOutOfRange
r.err = errOutOfRangeRemote
case errors.As(err, &errOutOfRangeLocal):
exec.status = statusOutOfRange
exec.err = errOutOfRangeLocal
r.status = statusOutOfRange
r.err = errOutOfRangeLocal
}
}
@ -96,53 +96,51 @@ func equalAddresses(a, b oid.Address) bool {
return a.Container().Equals(b.Container()) && a.Object().Equals(b.Object())
}
func (exec *execCtx) HeadObject(ctx context.Context, id oid.ID) (*objectSDK.Object, error) {
func (r *request) HeadObject(ctx context.Context, id oid.ID) (*objectSDK.Object, error) {
w := NewSimpleObjectWriter()
p := RequestParameters{}
p.common = p.common.WithLocalOnly(false)
p.addr.SetContainer(exec.containerID())
p.addr.SetContainer(r.containerID())
p.addr.SetObject(id)
p.head = true
p.SetHeaderWriter(w)
err := exec.getDetached(ctx, p)
if err != nil {
if err := r.getObjectWithIndependentRequest(ctx, p); err != nil {
return nil, err
}
return w.Object(), nil
}
func (exec *execCtx) GetObject(ctx context.Context, id oid.ID, rng *objectSDK.Range) (*objectSDK.Object, error) {
func (r *request) GetObject(ctx context.Context, id oid.ID, rng *objectSDK.Range) (*objectSDK.Object, error) {
w := NewSimpleObjectWriter()
p := exec.prm
p := r.prm
p.common = p.common.WithLocalOnly(false)
p.objWriter = w
p.rng = rng
p.addr.SetContainer(exec.containerID())
p.addr.SetContainer(r.containerID())
p.addr.SetObject(id)
if err := exec.getDetached(ctx, p); err != nil {
if err := r.getObjectWithIndependentRequest(ctx, p); err != nil {
return nil, err
}
return w.Object(), nil
}
func (exec *execCtx) getDetached(ctx context.Context, prm RequestParameters) error {
detachedExecutor := &execCtx{
keyStore: exec.keyStore,
traverserGenerator: exec.traverserGenerator,
remoteStorageConstructor: exec.remoteStorageConstructor,
epochSource: exec.epochSource,
localStorage: exec.localStorage,
func (r *request) getObjectWithIndependentRequest(ctx context.Context, prm RequestParameters) error {
detachedExecutor := &request{
keyStore: r.keyStore,
traverserGenerator: r.traverserGenerator,
remoteStorageConstructor: r.remoteStorageConstructor,
epochSource: r.epochSource,
localStorage: r.localStorage,
prm: prm,
infoSplit: objectSDK.NewSplitInfo(),
log: exec.log,
log: r.log,
}
detachedExecutor.execute(ctx)

7
pkg/services/object/get/assembler.go
View File

@ -2,7 +2,6 @@ package getsvc
import (
"context"
"errors"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
@ -15,10 +14,6 @@ type objectGetter interface {
HeadObject(ctx context.Context, id oid.ID) (*objectSDK.Object, error)
}
var (
errParentAddressDiffers = errors.New("parent address in child object differs")
)
type assembler struct {
addr oid.Address
splitInfo *objectSDK.SplitInfo
@ -89,7 +84,7 @@ func (a *assembler) initializeFromSourceObjectID(ctx context.Context, id oid.ID)
parentObject := sourceObject.Parent()
if parentObject == nil {
return nil, nil, errors.New("received child with empty parent")
return nil, nil, errChildWithEmptyParent
}
a.parentObject = parentObject

34
pkg/services/object/get/container.go
View File

@ -8,26 +8,26 @@ import (
"go.uber.org/zap"
)
func (exec *execCtx) executeOnContainer(ctx context.Context) {
if exec.isLocal() {
exec.log.Debug(logs.GetReturnResultDirectly)
func (r *request) executeOnContainer(ctx context.Context) {
if r.isLocal() {
r.log.Debug(logs.GetReturnResultDirectly)
return
}
lookupDepth := exec.netmapLookupDepth()
lookupDepth := r.netmapLookupDepth()
exec.log.Debug(logs.TryingToExecuteInContainer,
r.log.Debug(logs.TryingToExecuteInContainer,
zap.Uint64("netmap lookup depth", lookupDepth),
)
// initialize epoch number
ok := exec.initEpoch()
ok := r.initEpoch()
if !ok {
return
}
for {
if exec.processCurrentEpoch(ctx) {
if r.processCurrentEpoch(ctx) {
break
}
@ -39,16 +39,16 @@ func (exec *execCtx) executeOnContainer(ctx context.Context) {
lookupDepth--
// go to the previous epoch
exec.curProcEpoch--
r.curProcEpoch--
}
}
func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
exec.log.Debug(logs.ProcessEpoch,
zap.Uint64("number", exec.curProcEpoch),
func (r *request) processCurrentEpoch(ctx context.Context) bool {
r.log.Debug(logs.ProcessEpoch,
zap.Uint64("number", r.curProcEpoch),
)
traverser, ok := exec.generateTraverser(exec.address())
traverser, ok := r.generateTraverser(r.address())
if !ok {
return true
}
@ -56,12 +56,12 @@ func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
exec.status = statusUndefined
r.status = statusUndefined
for {
addrs := traverser.Next()
if len(addrs) == 0 {
exec.log.Debug(logs.NoMoreNodesAbortPlacementIteration)
r.log.Debug(logs.NoMoreNodesAbortPlacementIteration)
return false
}
@ -69,7 +69,7 @@ func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
for i := range addrs {
select {
case <-ctx.Done():
exec.log.Debug(logs.InterruptPlacementIterationByContext,
r.log.Debug(logs.InterruptPlacementIterationByContext,
zap.String("error", ctx.Err().Error()),
)
@ -84,8 +84,8 @@ func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
client.NodeInfoFromNetmapElement(&info, addrs[i])
if exec.processNode(ctx, info) {
exec.log.Debug(logs.GetCompletingTheOperation)
if r.processNode(ctx, info) {
r.log.Debug(logs.GetCompletingTheOperation)
return true
}
}

10
pkg/services/object/get/errors.go 100644
View File

@ -0,0 +1,10 @@
package getsvc
import "errors"
var (
errRangeZeroLength = errors.New("zero range length")
errRangeOverflow = errors.New("range overflow")
errChildWithEmptyParent = errors.New("received child with empty parent")
errParentAddressDiffers = errors.New("parent address in child object differs")
)

271
pkg/services/object/get/exec.go
View File

@ -1,271 +0,0 @@
package getsvc
import (
"context"
"crypto/ecdsa"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
clientcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object_manager/placement"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"go.uber.org/zap"
)
type statusError struct {
status int
err error
}
type RequestParameters struct {
commonPrm
head bool
rng *objectSDK.Range
}
type execCtx struct {
prm RequestParameters
statusError
infoSplit *objectSDK.SplitInfo
log *logger.Logger
collectedObject *objectSDK.Object
curProcEpoch uint64
keyStore keyStorage
epochSource epochSource
traverserGenerator traverserGenerator
remoteStorageConstructor remoteStorageConstructor
localStorage localStorage
}
const (
statusUndefined int = iota
statusOK
statusINHUMED
statusVIRTUAL
statusOutOfRange
)
func (exec *execCtx) setLogger(l *logger.Logger) {
req := "GET"
if exec.headOnly() {
req = "HEAD"
} else if exec.ctxRange() != nil {
req = "GET_RANGE"
}
exec.log = &logger.Logger{Logger: l.With(
zap.String("request", req),
zap.Stringer("address", exec.address()),
zap.Bool("raw", exec.isRaw()),
zap.Bool("local", exec.isLocal()),
zap.Bool("with session", exec.prm.common.SessionToken() != nil),
zap.Bool("with bearer", exec.prm.common.BearerToken() != nil),
)}
}
func (exec execCtx) isLocal() bool {
return exec.prm.common.LocalOnly()
}
func (exec execCtx) isRaw() bool {
return exec.prm.raw
}
func (exec execCtx) address() oid.Address {
return exec.prm.addr
}
func (exec execCtx) key() (*ecdsa.PrivateKey, error) {
if exec.prm.signerKey != nil {
// the key has already been requested and
// cached in the previous operations
return exec.prm.signerKey, nil
}
var sessionInfo *util.SessionInfo
if tok := exec.prm.common.SessionToken(); tok != nil {
sessionInfo = &util.SessionInfo{
ID: tok.ID(),
Owner: tok.Issuer(),
}
}
return exec.keyStore.GetKey(sessionInfo)
}
func (exec *execCtx) canAssemble() bool {
return !exec.isRaw() && !exec.headOnly()
}
func (exec *execCtx) splitInfo() *objectSDK.SplitInfo {
return exec.infoSplit
}
func (exec *execCtx) containerID() cid.ID {
return exec.address().Container()
}
func (exec *execCtx) ctxRange() *objectSDK.Range {
return exec.prm.rng
}
func (exec *execCtx) headOnly() bool {
return exec.prm.head
}
func (exec *execCtx) netmapEpoch() uint64 {
return exec.prm.common.NetmapEpoch()
}
func (exec *execCtx) netmapLookupDepth() uint64 {
return exec.prm.common.NetmapLookupDepth()
}
func (exec *execCtx) initEpoch() bool {
exec.curProcEpoch = exec.netmapEpoch()
if exec.curProcEpoch > 0 {
return true
}
e, err := exec.epochSource.Epoch()
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.CouldNotGetCurrentEpochNumber,
zap.String("error", err.Error()),
)
return false
case err == nil:
exec.curProcEpoch = e
return true
}
}
func (exec *execCtx) generateTraverser(addr oid.Address) (*placement.Traverser, bool) {
obj := addr.Object()
t, err := exec.traverserGenerator.GenerateTraverser(addr.Container(), &obj, exec.curProcEpoch)
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.GetCouldNotGenerateContainerTraverser,
zap.String("error", err.Error()),
)
return nil, false
case err == nil:
return t, true
}
}
func (exec execCtx) getRemoteStorage(info clientcore.NodeInfo) (remoteStorage, bool) {
rs, err := exec.remoteStorageConstructor.Get(info)
if err != nil {
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.GetCouldNotConstructRemoteNodeClient)
return nil, false
}
return rs, true
}
func mergeSplitInfo(dst, src *objectSDK.SplitInfo) {
if last, ok := src.LastPart(); ok {
dst.SetLastPart(last)
}
if link, ok := src.Link(); ok {
dst.SetLink(link)
}
if splitID := src.SplitID(); splitID != nil {
dst.SetSplitID(splitID)
}
}
func (exec *execCtx) writeCollectedHeader(ctx context.Context) bool {
if exec.ctxRange() != nil {
return true
}
err := exec.prm.objWriter.WriteHeader(
ctx,
exec.collectedObject.CutPayload(),
)
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.GetCouldNotWriteHeader,
zap.String("error", err.Error()),
)
case err == nil:
exec.status = statusOK
exec.err = nil
}
return exec.status == statusOK
}
func (exec *execCtx) writeObjectPayload(ctx context.Context, obj *objectSDK.Object) bool {
if exec.headOnly() {
return true
}
err := exec.prm.objWriter.WriteChunk(ctx, obj.Payload())
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.GetCouldNotWritePayloadChunk,
zap.String("error", err.Error()),
)
case err == nil:
exec.status = statusOK
exec.err = nil
}
return err == nil
}
func (exec *execCtx) writeCollectedObject(ctx context.Context) {
if ok := exec.writeCollectedHeader(ctx); ok {
exec.writeObjectPayload(ctx, exec.collectedObject)
}
}
// isForwardingEnabled returns true if common execution
// parameters has request forwarding closure set.
func (exec execCtx) isForwardingEnabled() bool {
return exec.prm.forwarder != nil
}
// disableForwarding removes request forwarding closure from common
// parameters, so it won't be inherited in new execution contexts.
func (exec *execCtx) disableForwarding() {
exec.prm.SetRequestForwarder(nil)
}

6
pkg/services/object/get/get.go
View File

@ -66,7 +66,7 @@ func (s *Service) Head(ctx context.Context, prm HeadPrm) error {
}
func (s *Service) get(ctx context.Context, prm RequestParameters) error {
exec := &execCtx{
exec := &request{
keyStore: s.keyStore,
traverserGenerator: s.traverserGenerator,
remoteStorageConstructor: s.remoteStorageConstructor,
@ -84,7 +84,7 @@ func (s *Service) get(ctx context.Context, prm RequestParameters) error {
return exec.statusError.err
}
func (exec *execCtx) execute(ctx context.Context) {
func (exec *request) execute(ctx context.Context) {
exec.log.Debug(logs.ServingRequest)
// perform local operation
@ -93,7 +93,7 @@ func (exec *execCtx) execute(ctx context.Context) {
exec.analyzeStatus(ctx, true)
}
func (exec *execCtx) analyzeStatus(ctx context.Context, execCnr bool) {
func (exec *request) analyzeStatus(ctx context.Context, execCnr bool) {
// analyze local result
switch exec.status {
case statusOK:

4
pkg/services/object/get/get_test.go
View File

@ -1206,7 +1206,7 @@ func TestGetRemoteSmall(t *testing.T) {
err := svc.Get(ctx, p)
require.Error(t, err)
require.Equal(t, err.Error(), "received child with empty parent")
require.ErrorIs(t, err, errChildWithEmptyParent)
w = NewSimpleObjectWriter()
payloadSz := srcObj.PayloadSize()
@ -1219,7 +1219,7 @@ func TestGetRemoteSmall(t *testing.T) {
err = svc.GetRange(ctx, rngPrm)
require.Error(t, err)
require.Equal(t, err.Error(), "received child with empty parent")
require.ErrorIs(t, err, errChildWithEmptyParent)
})
t.Run("out of range", func(t *testing.T) {

42
pkg/services/object/get/local.go
View File

@ -11,7 +11,7 @@ import (
"go.uber.org/zap"
)
func (exec *execCtx) executeLocal(ctx context.Context) {
func (r *request) executeLocal(ctx context.Context) {
ctx, span := tracing.StartSpanFromContext(ctx, "getService.executeLocal")
defer func() {
span.End()
@ -19,7 +19,7 @@ func (exec *execCtx) executeLocal(ctx context.Context) {
var err error
exec.collectedObject, err = exec.get(ctx)
r.collectedObject, err = r.get(ctx)
var errSplitInfo *objectSDK.SplitInfoError
var errRemoved apistatus.ObjectAlreadyRemoved
@ -27,35 +27,35 @@ func (exec *execCtx) executeLocal(ctx context.Context) {
switch {
default:
exec.status = statusUndefined
exec.err = err
r.status = statusUndefined
r.err = err
exec.log.Debug(logs.GetLocalGetFailed,
r.log.Debug(logs.GetLocalGetFailed,
zap.String("error", err.Error()),
)
case err == nil:
exec.status = statusOK
exec.err = nil
exec.writeCollectedObject(ctx)
r.status = statusOK
r.err = nil
r.writeCollectedObject(ctx)
case errors.As(err, &errRemoved):
exec.status = statusINHUMED
exec.err = errRemoved
r.status = statusINHUMED
r.err = errRemoved
case errors.As(err, &errSplitInfo):
exec.status = statusVIRTUAL
mergeSplitInfo(exec.splitInfo(), errSplitInfo.SplitInfo())
exec.err = objectSDK.NewSplitInfoError(exec.infoSplit)
r.status = statusVIRTUAL
mergeSplitInfo(r.splitInfo(), errSplitInfo.SplitInfo())
r.err = objectSDK.NewSplitInfoError(r.infoSplit)
case errors.As(err, &errOutOfRange):
exec.status = statusOutOfRange
exec.err = errOutOfRange
r.status = statusOutOfRange
r.err = errOutOfRange
}
}
func (exec *execCtx) get(ctx context.Context) (*objectSDK.Object, error) {
if exec.headOnly() {
return exec.localStorage.Head(ctx, exec.address(), exec.isRaw())
func (r *request) get(ctx context.Context) (*objectSDK.Object, error) {
if r.headOnly() {
return r.localStorage.Head(ctx, r.address(), r.isRaw())
}
if rng := exec.ctxRange(); rng != nil {
return exec.localStorage.Range(ctx, exec.address(), rng)
if rng := r.ctxRange(); rng != nil {
return r.localStorage.Range(ctx, r.address(), rng)
}
return exec.localStorage.Get(ctx, exec.address())
return r.localStorage.Get(ctx, r.address())
}

42
pkg/services/object/get/prm.go
View File

@ -3,12 +3,11 @@ package getsvc
import (
"context"
"crypto/ecdsa"
"errors"
"hash"
coreclient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
)
@ -21,14 +20,9 @@ type Prm struct {
type RangePrm struct {
commonPrm
rng *object.Range
rng *objectSDK.Range
}
var (
errRangeZeroLength = errors.New("zero range length")
errRangeOverflow = errors.New("range overflow")
)
// Validate pre-validates `OBJECTRANGE` request's parameters content
// without access to the requested object's payload.
func (p RangePrm) Validate() error {
@ -54,12 +48,18 @@ type RangeHashPrm struct {
hashGen func() hash.Hash
rngs []object.Range
rngs []objectSDK.Range
salt []byte
}
type RequestForwarder func(context.Context, coreclient.NodeInfo, coreclient.MultiAddressClient) (*object.Object, error)
type RequestParameters struct {
commonPrm
head bool
rng *objectSDK.Range
}
type RequestForwarder func(context.Context, coreclient.NodeInfo, coreclient.MultiAddressClient) (*objectSDK.Object, error)
// HeadPrm groups parameters of Head service call.
type HeadPrm struct {
@ -83,24 +83,6 @@ type commonPrm struct {
signerKey *ecdsa.PrivateKey
}
// ChunkWriter is an interface of target component
// to write payload chunk.
type ChunkWriter interface {
WriteChunk(context.Context, []byte) error
}
// HeaderWriter is an interface of target component
// to write object header.
type HeaderWriter interface {
WriteHeader(context.Context, *object.Object) error
}
// ObjectWriter is an interface of target component to write object.
type ObjectWriter interface {
HeaderWriter
ChunkWriter
}
// SetObjectWriter sets target component to write the object.
func (p *Prm) SetObjectWriter(w ObjectWriter) {
p.objWriter = w
@ -114,12 +96,12 @@ func (p *commonPrm) SetChunkWriter(w ChunkWriter) {
}
// SetRange sets range of the requested payload data.
func (p *RangePrm) SetRange(rng *object.Range) {
func (p *RangePrm) SetRange(rng *objectSDK.Range) {
p.rng = rng
}
// SetRangeList sets a list of object payload ranges.
func (p *RangeHashPrm) SetRangeList(rngs []object.Range) {
func (p *RangeHashPrm) SetRangeList(rngs []objectSDK.Range) {
p.rngs = rngs
}

68
pkg/services/object/get/remote.go
View File

@ -12,18 +12,18 @@ import (
"go.uber.org/zap"
)
func (exec *execCtx) processNode(ctx context.Context, info client.NodeInfo) bool {
func (r *request) processNode(ctx context.Context, info client.NodeInfo) bool {
ctx, span := tracing.StartSpanFromContext(ctx, "getService.processNode")
defer span.End()
exec.log.Debug(logs.ProcessingNode)
r.log.Debug(logs.ProcessingNode)
rs, ok := exec.getRemoteStorage(info)
rs, ok := r.getRemoteStorage(info)
if !ok {
return true
}
obj, err := exec.getRemote(ctx, rs, info)
obj, err := r.getRemote(ctx, rs, info)
var errSplitInfo *objectSDK.SplitInfoError
var errRemoved *apistatus.ObjectAlreadyRemoved
@ -33,68 +33,68 @@ func (exec *execCtx) processNode(ctx context.Context, info client.NodeInfo) bool
default:
var errNotFound apistatus.ObjectNotFound
exec.status = statusUndefined
exec.err = errNotFound
r.status = statusUndefined
r.err = errNotFound
exec.log.Debug(logs.GetRemoteCallFailed,
r.log.Debug(logs.GetRemoteCallFailed,
zap.String("error", err.Error()),
)
case err == nil:
exec.status = statusOK
exec.err = nil
r.status = statusOK
r.err = nil
// both object and err are nil only if the original
// request was forwarded to another node and the object
// has already been streamed to the requesting party
if obj != nil {
exec.collectedObject = obj
exec.writeCollectedObject(ctx)
r.collectedObject = obj
r.writeCollectedObject(ctx)
}
case errors.As(err, &errRemoved):
exec.status = statusINHUMED
exec.err = errRemoved
r.status = statusINHUMED
r.err = errRemoved
case errors.As(err, &errOutOfRange):
exec.status = statusOutOfRange
exec.err = errOutOfRange
r.status = statusOutOfRange
r.err = errOutOfRange
case errors.As(err, &errSplitInfo):
exec.status = statusVIRTUAL
mergeSplitInfo(exec.splitInfo(), errSplitInfo.SplitInfo())
exec.err = objectSDK.NewSplitInfoError(exec.infoSplit)
r.status = statusVIRTUAL
mergeSplitInfo(r.splitInfo(), errSplitInfo.SplitInfo())
r.err = objectSDK.NewSplitInfoError(r.infoSplit)
}
return exec.status != statusUndefined
return r.status != statusUndefined
}
func (exec *execCtx) getRemote(ctx context.Context, rs remoteStorage, info client.NodeInfo) (*objectSDK.Object, error) {
if exec.isForwardingEnabled() {
return rs.ForwardRequest(ctx, info, exec.prm.forwarder)
func (r *request) getRemote(ctx context.Context, rs remoteStorage, info client.NodeInfo) (*objectSDK.Object, error) {
if r.isForwardingEnabled() {
return rs.ForwardRequest(ctx, info, r.prm.forwarder)
}
key, err := exec.key()
key, err := r.key()
if err != nil {
return nil, err
}
prm := RemoteRequestParams{
Epoch: exec.curProcEpoch,
TTL: exec.prm.common.TTL(),
Epoch: r.curProcEpoch,
TTL: r.prm.common.TTL(),
PrivateKey: key,
SessionToken: exec.prm.common.SessionToken(),
BearerToken: exec.prm.common.BearerToken(),
XHeaders: exec.prm.common.XHeaders(),
IsRaw: exec.isRaw(),
SessionToken: r.prm.common.SessionToken(),
BearerToken: r.prm.common.BearerToken(),
XHeaders: r.prm.common.XHeaders(),
IsRaw: r.isRaw(),
}
if exec.headOnly() {
return rs.Head(ctx, exec.address(), prm)
if r.headOnly() {
return rs.Head(ctx, r.address(), prm)
}
// we don't specify payload writer because we accumulate
// the object locally (even huge).
if rng := exec.ctxRange(); rng != nil {
if rng := r.ctxRange(); rng != nil {
// Current spec allows other storage node to deny access,
// fallback to GET here.
return rs.Range(ctx, exec.address(), rng, prm)
return rs.Range(ctx, r.address(), rng, prm)
}
return rs.Get(ctx, exec.address(), prm)
return rs.Get(ctx, r.address(), prm)
}

252
pkg/services/object/get/request.go 100644
View File

@ -0,0 +1,252 @@
package getsvc
import (
"context"
"crypto/ecdsa"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
clientcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object_manager/placement"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"go.uber.org/zap"
)
type request struct {
prm RequestParameters
statusError
infoSplit *objectSDK.SplitInfo
log *logger.Logger
collectedObject *objectSDK.Object
curProcEpoch uint64
keyStore keyStorage
epochSource epochSource
traverserGenerator traverserGenerator
remoteStorageConstructor remoteStorageConstructor
localStorage localStorage
}
func (r *request) setLogger(l *logger.Logger) {
req := "GET"
if r.headOnly() {
req = "HEAD"
} else if r.ctxRange() != nil {
req = "GET_RANGE"
}
r.log = &logger.Logger{Logger: l.With(
zap.String("request", req),
zap.Stringer("address", r.address()),
zap.Bool("raw", r.isRaw()),
zap.Bool("local", r.isLocal()),
zap.Bool("with session", r.prm.common.SessionToken() != nil),
zap.Bool("with bearer", r.prm.common.BearerToken() != nil),
)}
}
func (r *request) isLocal() bool {
return r.prm.common.LocalOnly()
}
func (r *request) isRaw() bool {
return r.prm.raw
}
func (r *request) address() oid.Address {
return r.prm.addr
}
func (r *request) key() (*ecdsa.PrivateKey, error) {
if r.prm.signerKey != nil {
// the key has already been requested and
// cached in the previous operations
return r.prm.signerKey, nil
}
var sessionInfo *util.SessionInfo
if tok := r.prm.common.SessionToken(); tok != nil {
sessionInfo = &util.SessionInfo{
ID: tok.ID(),
Owner: tok.Issuer(),
}
}
return r.keyStore.GetKey(sessionInfo)
}
func (r *request) canAssemble() bool {
return !r.isRaw() && !r.headOnly()
}
func (r *request) splitInfo() *objectSDK.SplitInfo {
return r.infoSplit
}
func (r *request) containerID() cid.ID {
return r.address().Container()
}
func (r *request) ctxRange() *objectSDK.Range {
return r.prm.rng
}
func (r *request) headOnly() bool {
return r.prm.head
}
func (r *request) netmapEpoch() uint64 {
return r.prm.common.NetmapEpoch()
}
func (r *request) netmapLookupDepth() uint64 {
return r.prm.common.NetmapLookupDepth()
}
func (r *request) initEpoch() bool {
r.curProcEpoch = r.netmapEpoch()
if r.curProcEpoch > 0 {
return true
}
e, err := r.epochSource.Epoch()
switch {
default:
r.status = statusUndefined
r.err = err
r.log.Debug(logs.CouldNotGetCurrentEpochNumber,
zap.String("error", err.Error()),
)
return false
case err == nil:
r.curProcEpoch = e
return true
}
}
func (r *request) generateTraverser(addr oid.Address) (*placement.Traverser, bool) {
obj := addr.Object()
t, err := r.traverserGenerator.GenerateTraverser(addr.Container(), &obj, r.curProcEpoch)
switch {
default:
r.status = statusUndefined
r.err = err
r.log.Debug(logs.GetCouldNotGenerateContainerTraverser,
zap.String("error", err.Error()),
)
return nil, false
case err == nil:
return t, true
}
}
func (r *request) getRemoteStorage(info clientcore.NodeInfo) (remoteStorage, bool) {
rs, err := r.remoteStorageConstructor.Get(info)
if err != nil {
r.status = statusUndefined
r.err = err
r.log.Debug(logs.GetCouldNotConstructRemoteNodeClient)
return nil, false
}
return rs, true
}
func (r *request) writeCollectedHeader(ctx context.Context) bool {
if r.ctxRange() != nil {
return true
}
err := r.prm.objWriter.WriteHeader(
ctx,
r.collectedObject.CutPayload(),
)
switch {
default:
r.status = statusUndefined
r.err = err
r.log.Debug(logs.GetCouldNotWriteHeader,
zap.String("error", err.Error()),
)
case err == nil:
r.status = statusOK
r.err = nil
}
return r.status == statusOK
}
func (r *request) writeObjectPayload(ctx context.Context, obj *objectSDK.Object) bool {
if r.headOnly() {
return true
}
err := r.prm.objWriter.WriteChunk(ctx, obj.Payload())
switch {
default:
r.status = statusUndefined
r.err = err
r.log.Debug(logs.GetCouldNotWritePayloadChunk,
zap.String("error", err.Error()),
)
case err == nil:
r.status = statusOK
r.err = nil
}
return err == nil
}
func (r *request) writeCollectedObject(ctx context.Context) {
if ok := r.writeCollectedHeader(ctx); ok {
r.writeObjectPayload(ctx, r.collectedObject)
}
}
// isForwardingEnabled returns true if common execution
// parameters has request forwarding closure set.
func (r request) isForwardingEnabled() bool {
return r.prm.forwarder != nil
}
// disableForwarding removes request forwarding closure from common
// parameters, so it won't be inherited in new execution contexts.
func (r *request) disableForwarding() {
r.prm.SetRequestForwarder(nil)
}
func mergeSplitInfo(dst, src *objectSDK.SplitInfo) {
if last, ok := src.LastPart(); ok {
dst.SetLastPart(last)
}
if link, ok := src.Link(); ok {
dst.SetLink(link)
}
if splitID := src.SplitID(); splitID != nil {
dst.SetSplitID(splitID)
}
}

9
pkg/services/object/get/res.go
View File

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

14
pkg/services/object/get/status.go 100644
View File

@ -0,0 +1,14 @@
package getsvc
const (
statusUndefined int = iota
statusOK
statusINHUMED
statusVIRTUAL
statusOutOfRange
)
type statusError struct {
status int
err error
}

8
pkg/services/object/get/types.go
View File

@ -228,3 +228,11 @@ func (s *multiaddressRemoteStorage) payloadOnlyObject(payload []byte) *objectSDK
return obj
}
type RangeHashRes struct {
hashes [][]byte
}
func (r *RangeHashRes) Hashes() [][]byte {
return r.hashes
}

18
pkg/services/object/get/util.go → pkg/services/object/get/writer.go
View File

@ -7,6 +7,24 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
)
// ChunkWriter is an interface of target component
// to write payload chunk.
type ChunkWriter interface {
WriteChunk(context.Context, []byte) error
}
// HeaderWriter is an interface of target component
// to write object header.
type HeaderWriter interface {
WriteHeader(context.Context, *object.Object) error
}
// ObjectWriter is an interface of target component to write object.
type ObjectWriter interface {
HeaderWriter
ChunkWriter
}
type SimpleObjectWriter struct {
obj *object.Object