120 lines
3.0 KiB
Go
120 lines
3.0 KiB
Go
package client
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import (
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"context"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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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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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func (c *Client) objectPutInitTransformer(prm PrmObjectPutInit) (*objectWriterTransformer, error) {
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var w objectWriterTransformer
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w.it = internalTarget{
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client: c,
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prm: prm,
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}
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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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w.ot = transformer.NewPayloadSizeLimiter(transformer.Params{
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Key: key,
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NextTargetInit: func() transformer.ObjectWriter { return &w.it },
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MaxSize: prm.maxSize,
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WithoutHomomorphicHash: prm.withoutHomomorphicHash,
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NetworkState: prm.epochSource,
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})
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return &w, nil
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}
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type objectWriterTransformer struct {
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ot transformer.ChunkedObjectWriter
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it internalTarget
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err error
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}
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func (x *objectWriterTransformer) WriteHeader(ctx context.Context, hdr object.Object) bool {
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x.err = x.ot.WriteHeader(ctx, &hdr)
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return x.err == nil
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}
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func (x *objectWriterTransformer) WritePayloadChunk(ctx context.Context, chunk []byte) bool {
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_, x.err = x.ot.Write(ctx, chunk)
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return x.err == nil
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}
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func (x *objectWriterTransformer) Close(ctx context.Context) (*ResObjectPut, error) {
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ai, err := x.ot.Close(ctx)
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if err != nil {
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return nil, err
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}
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if ai != nil && ai.ParentID != nil {
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x.it.res.obj = *ai.ParentID
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}
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return x.it.res, nil
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}
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type internalTarget struct {
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client *Client
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res *ResObjectPut
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prm PrmObjectPutInit
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useStream bool
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}
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func (it *internalTarget) WriteObject(ctx context.Context, o *object.Object) error {
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putSingleImplemented, err := it.tryPutSingle(ctx, o)
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if putSingleImplemented {
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return err
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}
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it.useStream = true
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return it.putAsStream(ctx, o)
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}
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func (it *internalTarget) putAsStream(ctx context.Context, o *object.Object) error {
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wrt, err := it.client.objectPutInitRaw(ctx, it.prm)
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if err != nil {
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return err
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}
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if wrt.WriteHeader(ctx, *o) {
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wrt.WritePayloadChunk(ctx, o.Payload())
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}
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it.res, err = wrt.Close(ctx)
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if err == nil && !it.client.prm.resolveFrostFSErrors && !apistatus.IsSuccessful(it.res.st) {
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err = apistatus.ErrFromStatus(it.res.st)
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}
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return err
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}
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func (it *internalTarget) tryPutSingle(ctx context.Context, o *object.Object) (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(o.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, _ := o.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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if !it.client.prm.resolveFrostFSErrors && !apistatus.IsSuccessful(it.res.st) {
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return true, apistatus.ErrFromStatus(it.res.st)
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}
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return true, nil
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}
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return true, err
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}
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