94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
package searchsvc
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import (
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"context"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object_manager/placement"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"go.uber.org/zap"
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)
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// Service is an utility serving requests
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// of Object.Search service.
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type Service struct {
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*cfg
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}
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// Option is a Service's constructor option.
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type Option func(*cfg)
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type searchClient interface {
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// searchObjects searches objects on the specified node.
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// MUST NOT modify execCtx as it can be accessed concurrently.
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searchObjects(context.Context, *execCtx, client.NodeInfo) ([]oid.ID, error)
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}
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type ClientConstructor interface {
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Get(client.NodeInfo) (client.MultiAddressClient, error)
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}
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type cfg struct {
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log *logger.Logger
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localStorage interface {
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search(context.Context, *execCtx) ([]oid.ID, error)
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}
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clientConstructor interface {
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get(client.NodeInfo) (searchClient, error)
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}
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traverserGenerator interface {
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GenerateTraverser(cid.ID, *oid.ID, uint64) (*placement.Traverser, error)
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}
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currentEpochReceiver interface {
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Epoch() (uint64, error)
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}
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keyStore *util.KeyStorage
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}
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// New creates, initializes and returns utility serving
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// Object.Get service requests.
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func New(e *engine.StorageEngine,
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cc ClientConstructor,
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tg *util.TraverserGenerator,
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ns netmap.Source,
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ks *util.KeyStorage,
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opts ...Option,
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) *Service {
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c := &cfg{
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log: &logger.Logger{Logger: zap.L()},
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clientConstructor: &clientConstructorWrapper{
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constructor: cc,
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},
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localStorage: &storageEngineWrapper{
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storage: e,
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},
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traverserGenerator: tg,
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currentEpochReceiver: ns,
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keyStore: ks,
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}
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for i := range opts {
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opts[i](c)
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}
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return &Service{
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cfg: c,
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}
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}
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// WithLogger returns option to specify Get service's logger.
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func WithLogger(l *logger.Logger) Option {
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return func(c *cfg) {
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c.log = &logger.Logger{Logger: l.With(zap.String("component", "Object.Search service"))}
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}
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}
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