frostfs-sdk-go/pool/object_put_pool_transformer.go

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package pool
import (
"context"
sdkClient "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/transformer"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type logger interface {
log(level zapcore.Level, msg string, fields ...zap.Field)
}
type PrmObjectPutClientCutInit struct {
PrmObjectPut
}
func (c *clientWrapper) objectPutInitTransformer(prm PrmObjectPutClientCutInit) (*objectWriterTransformer, error) {
cl, err := c.getClient()
if err != nil {
return nil, err
}
var w objectWriterTransformer
w.it = internalTarget{
client: cl,
prm: prm,
address: c.address(),
logger: &c.clientStatusMonitor,
}
key := &c.prm.key
if prm.key != nil {
key = prm.key
}
w.ot = transformer.NewPayloadSizeLimiter(transformer.Params{
Key: key,
NextTargetInit: func() transformer.ObjectWriter { return &w.it },
MaxSize: prm.networkInfo.MaxObjectSize(),
WithoutHomomorphicHash: prm.withoutHomomorphicHash,
NetworkState: prm.networkInfo,
SessionToken: prm.stoken,
})
return &w, nil
}
type objectWriterTransformer struct {
ot transformer.ChunkedObjectWriter
it internalTarget
err error
}
func (x *objectWriterTransformer) WriteHeader(ctx context.Context, hdr object.Object) bool {
x.err = x.ot.WriteHeader(ctx, &hdr)
return x.err == nil
}
func (x *objectWriterTransformer) WritePayloadChunk(ctx context.Context, chunk []byte) bool {
_, x.err = x.ot.Write(ctx, chunk)
return x.err == nil
}
// ResObjectPut groups the final result values of ObjectPutInit operation.
type ResObjectPut struct {
Status apistatus.Status
OID oid.ID
}
// Close return non nil result in any case. If error occurred, the result contains only buffer for further reusing.
func (x *objectWriterTransformer) Close(ctx context.Context) (*ResObjectPut, error) {
ai, err := x.ot.Close(ctx)
if err != nil {
return nil, err
}
if ai != nil && ai.ParentID != nil {
x.it.res.OID = *ai.ParentID
}
return &x.it.res, nil
}
type internalTarget struct {
client *sdkClient.Client
res ResObjectPut
prm PrmObjectPutClientCutInit
useStream bool
address string
logger logger
resolveFrostFSErrors bool
}
func (it *internalTarget) WriteObject(ctx context.Context, o *object.Object) error {
putSingleImplemented, err := it.tryPutSingle(ctx, o)
if putSingleImplemented {
return err
}
it.logger.log(zapcore.DebugLevel, "putSingle not implemented, trying put as stream", zap.String("address", it.address))
it.useStream = true
return it.putAsStream(ctx, o)
}
func (it *internalTarget) putAsStream(ctx context.Context, o *object.Object) error {
cliPrm := sdkClient.PrmObjectPutInit{
CopiesNumber: it.prm.copiesNumber,
Session: it.prm.stoken,
Key: it.prm.key,
BearerToken: it.prm.btoken,
}
wrt, err := it.client.ObjectPutInit(ctx, cliPrm)
if err != nil {
return err
}
if wrt.WriteHeader(ctx, *o) {
wrt.WritePayloadChunk(ctx, o.Payload())
}
res, err := wrt.Close(ctx)
if res != nil {
it.res.Status = res.Status()
it.res.OID = res.StoredObjectID()
}
return err
}
func (it *internalTarget) tryPutSingle(ctx context.Context, o *object.Object) (bool, error) {
if it.useStream {
return false, nil
}
cliPrm := sdkClient.PrmObjectPutSingle{
CopiesNumber: it.prm.copiesNumber,
Key: it.prm.key,
Session: it.prm.stoken,
BearerToken: it.prm.btoken,
Object: o,
}
res, err := it.client.ObjectPutSingle(ctx, cliPrm)
if err != nil && status.Code(err) == codes.Unimplemented {
return false, err
}
if err == nil {
id, _ := o.ID()
it.res = ResObjectPut{
Status: res.Status(),
OID: id,
}
if !it.resolveFrostFSErrors && !apistatus.IsSuccessful(it.res.Status) {
return true, apistatus.ErrFromStatus(it.res.Status)
}
return true, nil
}
return true, err
}