[#103] object: Add PutSingle method code
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
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parent
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commit
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2 changed files with 163 additions and 7 deletions
116
client/object_put_single.go
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116
client/object_put_single.go
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@ -0,0 +1,116 @@
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package client
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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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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/acl"
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v2object "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
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rpcapi "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/client"
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v2session "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/signature"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/bearer"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/session"
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)
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// PrmObjectPutSingle groups parameters of PutSingle operation.
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type PrmObjectPutSingle struct {
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copyNum []uint32
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meta v2session.RequestMetaHeader
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object *v2object.Object
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key *ecdsa.PrivateKey
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}
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// SetCopiesNumber sets ordered list of minimal required object copies numbers
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// per placement vector. List's length MUST equal container's placement vector number,
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// otherwise request will fail.
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func (x *PrmObjectPutSingle) SetCopiesNumber(v []uint32) {
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x.copyNum = v
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}
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// UseKey specifies private key to sign the requests.
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// If key is not provided, then Client default key is used.
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func (x *PrmObjectPutSingle) UseKey(key *ecdsa.PrivateKey) {
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x.key = key
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}
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// WithBearerToken attaches bearer token to be used for the operation.
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// Should be called once before any writing steps.
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func (x *PrmObjectPutSingle) WithBearerToken(t bearer.Token) {
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v2token := &acl.BearerToken{}
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t.WriteToV2(v2token)
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x.meta.SetBearerToken(v2token)
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}
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// WithinSession specifies session within which object should be stored.
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// Should be called once before any writing steps.
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func (x *PrmObjectPutSingle) WithinSession(t session.Object) {
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tv2 := &v2session.Token{}
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t.WriteToV2(tv2)
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x.meta.SetSessionToken(tv2)
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}
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// ExecuteLocal tells the server to execute the operation locally.
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func (x *PrmObjectPutSingle) ExecuteLocal() {
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x.meta.SetTTL(1)
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}
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// WithXHeaders specifies list of extended headers (string key-value pairs)
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// to be attached to the request. Must have an even length.
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//
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// Slice must not be mutated until the operation completes.
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func (x *PrmObjectPutSingle) WithXHeaders(hs ...string) {
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writeXHeadersToMeta(hs, &x.meta)
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}
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// SetObject specifies prepared object to put.
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func (x *PrmObjectPutSingle) SetObject(o *v2object.Object) {
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x.object = o
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}
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// ResObjectPutSingle groups resulting values of PutSingle operation.
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type ResObjectPutSingle struct {
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statusRes
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}
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// ObjectPutSingle writes prepared object to FrostFS.
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// Object must have payload, also containerID, objectID, ownerID, payload hash, payload length of an object must be set.
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// Exactly one return value is non-nil. By default, server status is returned in res structure.
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// Any client's internal or transport errors are returned as Go built-in error.
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// If Client is tuned to resolve FrostFS API statuses, then FrostFS failures
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// codes are returned as error.
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func (c *Client) ObjectPutSingle(ctx context.Context, prm PrmObjectPutSingle) (*ResObjectPutSingle, error) {
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body := &v2object.PutSingleRequestBody{}
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body.SetCopiesNumber(prm.copyNum)
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body.SetObject(prm.object)
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req := &v2object.PutSingleRequest{}
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req.SetBody(body)
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c.prepareRequest(req, &prm.meta)
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key := &c.prm.key
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if prm.key != nil {
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key = prm.key
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}
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err := signature.SignServiceMessage(key, req)
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if err != nil {
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return nil, fmt.Errorf("sign request: %w", err)
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}
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resp, err := rpcapi.PutSingleObject(&c.c, req, client.WithContext(ctx))
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if err != nil {
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return nil, err
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}
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var res ResObjectPutSingle
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res.st, err = c.processResponse(resp)
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if err != nil {
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return nil, err
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}
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return &res, nil
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}
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@ -5,6 +5,8 @@ import (
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/transformer"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/transformer"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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)
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func (c *Client) objectPutInitTransformer(prm PrmObjectPutInit) (*objectWriterTransformer, error) {
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func (c *Client) objectPutInitTransformer(prm PrmObjectPutInit) (*objectWriterTransformer, error) {
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@ -56,11 +58,12 @@ func (x *objectWriterTransformer) Close(ctx context.Context) (*ResObjectPut, err
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}
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}
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type internalTarget struct {
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type internalTarget struct {
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current *object.Object
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current *object.Object
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client *Client
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client *Client
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res *ResObjectPut
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res *ResObjectPut
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prm PrmObjectPutInit
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prm PrmObjectPutInit
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payload []byte
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payload []byte
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useStream bool
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}
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}
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func (it *internalTarget) WriteHeader(_ context.Context, object *object.Object) error {
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func (it *internalTarget) WriteHeader(_ context.Context, object *object.Object) error {
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@ -75,9 +78,19 @@ func (it *internalTarget) Write(_ context.Context, p []byte) (n int, err error)
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func (it *internalTarget) Close(ctx context.Context) (*transformer.AccessIdentifiers, error) {
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func (it *internalTarget) Close(ctx context.Context) (*transformer.AccessIdentifiers, error) {
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it.current.SetPayload(it.payload)
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it.current.SetPayload(it.payload)
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putSingleImplemented, err := it.tryPutSingle(ctx)
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if putSingleImplemented {
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return nil, err
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}
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it.useStream = true
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return nil, it.putAsStream(ctx)
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}
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func (it *internalTarget) putAsStream(ctx context.Context) error {
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wrt, err := it.client.objectPutInitRaw(ctx, it.prm)
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wrt, err := it.client.objectPutInitRaw(ctx, it.prm)
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if err != nil {
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if err != nil {
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return nil, err
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return err
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}
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}
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if wrt.WriteHeader(ctx, *it.current) {
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if wrt.WriteHeader(ctx, *it.current) {
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wrt.WritePayloadChunk(ctx, it.current.Payload())
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wrt.WritePayloadChunk(ctx, it.current.Payload())
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@ -85,5 +98,32 @@ func (it *internalTarget) Close(ctx context.Context) (*transformer.AccessIdentif
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it.res, err = wrt.Close(ctx)
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it.res, err = wrt.Close(ctx)
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it.current = nil
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it.current = nil
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it.payload = nil
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it.payload = nil
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return nil, err
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return err
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}
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func (it *internalTarget) tryPutSingle(ctx context.Context) (bool, error) {
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if it.useStream {
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return false, nil
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}
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var prm PrmObjectPutSingle
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prm.SetCopiesNumber(it.prm.copyNum)
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prm.SetObject(it.current.ToV2())
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prm.UseKey(prm.key)
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prm.meta = it.prm.meta
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res, err := it.client.ObjectPutSingle(ctx, prm)
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if err != nil && status.Code(err) == codes.Unimplemented {
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return false, err
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}
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if err == nil {
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id, _ := it.current.ID()
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it.res = &ResObjectPut{
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statusRes: res.statusRes,
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obj: id,
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}
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}
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it.current = nil
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it.payload = nil
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return true, err
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}
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}
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