frostfs-node/pkg/services/object/put/remote.go
Evgenii Stratonikov 057d53459b [#1319] services/object: Remove Write method from local and remote targets
They work with prepared objects only.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-04-29 16:46:40 +03:00

126 lines
3 KiB
Go

package putsvc
import (
"context"
"fmt"
clientcore "github.com/nspcc-dev/neofs-node/pkg/core/client"
internalclient "github.com/nspcc-dev/neofs-node/pkg/services/object/internal/client"
"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/transformer"
"github.com/nspcc-dev/neofs-sdk-go/netmap"
"github.com/nspcc-dev/neofs-sdk-go/object"
)
type remoteTarget struct {
ctx context.Context
keyStorage *util.KeyStorage
commonPrm *util.CommonPrm
nodeInfo clientcore.NodeInfo
obj *object.Object
clientConstructor ClientConstructor
}
// RemoteSender represents utility for
// sending an object to a remote host.
type RemoteSender struct {
keyStorage *util.KeyStorage
clientConstructor ClientConstructor
}
// RemotePutPrm groups remote put operation parameters.
type RemotePutPrm struct {
node *netmap.NodeInfo
obj *object.Object
}
func (t *remoteTarget) WriteHeader(obj *object.Object) error {
t.obj = obj
return nil
}
func (t *remoteTarget) Close() (*transformer.AccessIdentifiers, error) {
key, err := t.keyStorage.GetKey(t.commonPrm.SessionToken())
if err != nil {
return nil, fmt.Errorf("(%T) could not receive private key: %w", t, err)
}
c, err := t.clientConstructor.Get(t.nodeInfo)
if err != nil {
return nil, fmt.Errorf("(%T) could not create SDK client %s: %w", t, t.nodeInfo, err)
}
var prm internalclient.PutObjectPrm
prm.SetContext(t.ctx)
prm.SetClient(c)
prm.SetPrivateKey(key)
prm.SetSessionToken(t.commonPrm.SessionToken())
prm.SetBearerToken(t.commonPrm.BearerToken())
prm.SetXHeaders(t.commonPrm.XHeaders())
prm.SetObject(t.obj)
res, err := internalclient.PutObject(prm)
if err != nil {
return nil, fmt.Errorf("(%T) could not put object to %s: %w", t, t.nodeInfo.AddressGroup(), err)
}
return new(transformer.AccessIdentifiers).
WithSelfID(res.ID()), nil
}
// NewRemoteSender creates, initializes and returns new RemoteSender instance.
func NewRemoteSender(keyStorage *util.KeyStorage, cons ClientConstructor) *RemoteSender {
return &RemoteSender{
keyStorage: keyStorage,
clientConstructor: cons,
}
}
// WithNodeInfo sets information about the remote node.
func (p *RemotePutPrm) WithNodeInfo(v *netmap.NodeInfo) *RemotePutPrm {
if p != nil {
p.node = v
}
return p
}
// WithObject sets transferred object.
func (p *RemotePutPrm) WithObject(v *object.Object) *RemotePutPrm {
if p != nil {
p.obj = v
}
return p
}
// PutObject sends object to remote node.
func (s *RemoteSender) PutObject(ctx context.Context, p *RemotePutPrm) error {
t := &remoteTarget{
ctx: ctx,
keyStorage: s.keyStorage,
clientConstructor: s.clientConstructor,
}
err := clientcore.NodeInfoFromRawNetmapElement(&t.nodeInfo, p.node)
if err != nil {
return fmt.Errorf("parse client node info: %w", err)
}
if err := t.WriteHeader(p.obj); err != nil {
return fmt.Errorf("(%T) could not send object header: %w", s, err)
} else if _, err := t.Close(); err != nil {
return fmt.Errorf("(%T) could not send object: %w", s, err)
}
return nil
}