Anton Nikiforov
31fac75743
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Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
121 lines
2.9 KiB
Go
121 lines
2.9 KiB
Go
// Package rawclient provides a basic interface to the local storage engine.
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// It can be used as a base for more complex load clients backed by local storage.
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package rawclient
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import (
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"context"
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"fmt"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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)
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// RawClient is a client to the local storage engine instance.
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type RawClient struct {
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*config
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ng *engine.StorageEngine
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ownerID *user.ID
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}
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// New returns a RawClient from the provided options.
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func New(ng *engine.StorageEngine, opts ...Option) *RawClient {
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cfg := defaultConfig()
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for _, opt := range opts {
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opt(cfg)
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}
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client := &RawClient{cfg, ng, &user.ID{}}
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user.IDFromKey(client.ownerID, client.key.PublicKey)
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return client
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}
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func (c *RawClient) Put(ctx context.Context, containerID cid.ID, ownerID *user.ID, headers map[string]string, payload []byte) (oid.ID, error) {
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sz := len(payload)
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attrs := make([]object.Attribute, len(headers))
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{
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ind := 0
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for k, v := range headers {
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attrs[ind].SetKey(k)
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attrs[ind].SetValue(v)
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ind++
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}
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}
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// Note that the key is a required option, so this is never empty.
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if ownerID == nil {
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ownerID = c.ownerID
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}
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obj := object.New()
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obj.SetContainerID(containerID)
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obj.SetOwnerID(*ownerID)
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obj.SetAttributes(attrs...)
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obj.SetPayload(payload)
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obj.SetPayloadSize(uint64(sz))
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object.CalculateAndSetPayloadChecksum(obj) // needed for metabase key
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id, err := object.CalculateID(obj)
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if err != nil {
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return oid.ID{}, fmt.Errorf("calculating object id: %v", err)
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}
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obj.SetID(id)
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if err := object.CalculateAndSetSignature(c.key, obj); err != nil {
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return oid.ID{}, fmt.Errorf("calculating signature: %v", err)
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}
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var req engine.PutPrm
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req.WithObject(obj)
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start := time.Now()
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err = c.ng.Put(ctx, req)
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c.onPut(uint64(sz), err, time.Since(start))
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if err != nil {
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return oid.ID{}, err
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}
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return id, nil
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}
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func (c *RawClient) Get(ctx context.Context, containerID cid.ID, objectID oid.ID) (*object.Object, error) {
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var addr oid.Address
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addr.SetContainer(containerID)
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addr.SetObject(objectID)
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var req engine.GetPrm
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req.WithAddress(addr)
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start := time.Now()
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res, err := c.ng.Get(ctx, req)
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var sz uint64
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obj := res.Object()
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if obj != nil {
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sz = uint64(len(obj.Payload()))
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}
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c.onGet(sz, err, time.Since(start))
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return obj, nil
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}
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func (c *RawClient) Delete(ctx context.Context, containerID cid.ID, objectID oid.ID) error {
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var addr oid.Address
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addr.SetContainer(containerID)
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addr.SetObject(objectID)
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var req engine.DeletePrm
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req.WithAddress(addr)
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start := time.Now()
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_, err := c.ng.Delete(ctx, req)
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c.onDelete(err, time.Since(start))
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return err
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}
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func (c *RawClient) OwnerID() *user.ID {
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return c.ownerID
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}
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