143 lines
3 KiB
Go
143 lines
3 KiB
Go
package headsvc
|
|
|
|
import (
|
|
"context"
|
|
|
|
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
|
|
"github.com/nspcc-dev/neofs-node/pkg/core/container"
|
|
"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
|
|
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/localstore"
|
|
"github.com/nspcc-dev/neofs-node/pkg/network"
|
|
"github.com/nspcc-dev/neofs-node/pkg/network/cache"
|
|
objutil "github.com/nspcc-dev/neofs-node/pkg/services/object/util"
|
|
"github.com/nspcc-dev/neofs-node/pkg/util"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
type RelationSearcher interface {
|
|
SearchRelation(context.Context, *objectSDK.Address, *objutil.CommonPrm) (*objectSDK.ID, error)
|
|
}
|
|
|
|
type Service struct {
|
|
*cfg
|
|
}
|
|
|
|
type Option func(*cfg)
|
|
|
|
type cfg struct {
|
|
cnrSrc container.Source
|
|
|
|
netMapSrc netmap.Source
|
|
|
|
workerPool util.WorkerPool
|
|
|
|
localAddrSrc network.LocalAddressSource
|
|
|
|
rightChildSearcher RelationSearcher
|
|
|
|
localHeader localHeader
|
|
|
|
remoteHeader RemoteHeader
|
|
}
|
|
|
|
var ErrNotFound = errors.New("object header not found")
|
|
|
|
func defaultCfg() *cfg {
|
|
return &cfg{
|
|
workerPool: new(util.SyncWorkerPool),
|
|
}
|
|
}
|
|
|
|
func NewService(opts ...Option) *Service {
|
|
c := defaultCfg()
|
|
|
|
for i := range opts {
|
|
opts[i](c)
|
|
}
|
|
|
|
return &Service{
|
|
cfg: c,
|
|
}
|
|
}
|
|
|
|
func (s *Service) Head(ctx context.Context, prm *Prm) (*Response, error) {
|
|
// try to receive header of physically stored
|
|
r, err := (&distributedHeader{
|
|
cfg: s.cfg,
|
|
}).head(ctx, prm)
|
|
if err == nil || prm.common.LocalOnly() {
|
|
return r, err
|
|
}
|
|
|
|
// try to find far right child that carries header of desired object
|
|
rightChildID, err := s.rightChildSearcher.SearchRelation(ctx, prm.addr, prm.common)
|
|
if err != nil {
|
|
return nil, errors.Wrapf(err, "(%T) could not find right child", s)
|
|
}
|
|
|
|
addr := objectSDK.NewAddress()
|
|
addr.SetContainerID(prm.addr.ContainerID())
|
|
addr.SetObjectID(rightChildID)
|
|
|
|
r, err = s.Head(ctx, new(Prm).WithAddress(addr).WithCommonPrm(prm.common))
|
|
if err != nil {
|
|
return nil, errors.Wrapf(err, "(%T) could not get right child header", s)
|
|
}
|
|
|
|
rightChild := r.Header()
|
|
|
|
// TODO: check if received parent has requested address
|
|
|
|
return &Response{
|
|
hdr: rightChild.GetParent(),
|
|
rightChild: rightChild,
|
|
}, nil
|
|
}
|
|
|
|
func WithKeyStorage(v *objutil.KeyStorage) Option {
|
|
return func(c *cfg) {
|
|
c.remoteHeader.keyStorage = v
|
|
}
|
|
}
|
|
|
|
func WithLocalStorage(v *localstore.Storage) Option {
|
|
return func(c *cfg) {
|
|
c.localHeader.storage = 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 WithRightChildSearcher(v RelationSearcher) Option {
|
|
return func(c *cfg) {
|
|
c.rightChildSearcher = v
|
|
}
|
|
}
|
|
|
|
func WithClientCache(v *cache.ClientCache) Option {
|
|
return func(c *cfg) {
|
|
c.remoteHeader.clientCache = v
|
|
}
|
|
}
|