126 lines
3.1 KiB
Go
126 lines
3.1 KiB
Go
package searchsvc
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import (
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"github.com/nspcc-dev/neofs-node/pkg/core/client"
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"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
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oid "github.com/nspcc-dev/neofs-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(*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(*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, uint64) (*placement.Traverser, error)
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}
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currentEpochReceiver interface {
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currentEpoch() (uint64, error)
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}
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keyStore *util.KeyStorage
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}
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func defaultCfg() *cfg {
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return &cfg{
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log: zap.L(),
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clientConstructor: new(clientConstructorWrapper),
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}
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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(opts ...Option) *Service {
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c := defaultCfg()
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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 = l.With(zap.String("component", "Object.Search service"))
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}
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}
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// WithLocalStorageEngine returns option to set local storage
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// instance.
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func WithLocalStorageEngine(e *engine.StorageEngine, state util.NodeState) Option {
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return func(c *cfg) {
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c.localStorage = &storageEngineWrapper{
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state: state,
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storage: e,
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}
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}
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}
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// WithClientConstructor returns option to set constructor of remote node clients.
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func WithClientConstructor(v ClientConstructor) Option {
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return func(c *cfg) {
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c.clientConstructor.(*clientConstructorWrapper).constructor = v
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}
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}
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// WithTraverserGenerator returns option to set generator of
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// placement traverser to get the objects from containers.
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func WithTraverserGenerator(t *util.TraverserGenerator) Option {
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return func(c *cfg) {
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c.traverserGenerator = (*traverseGeneratorWrapper)(t)
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}
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}
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// WithNetMapSource returns option to set network
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// map storage to receive current network state.
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func WithNetMapSource(nmSrc netmap.Source) Option {
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return func(c *cfg) {
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c.currentEpochReceiver = &nmSrcWrapper{
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nmSrc: nmSrc,
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}
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}
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}
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// WithKeyStorage returns option to set private
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// key storage for session tokens and node key.
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func WithKeyStorage(store *util.KeyStorage) Option {
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return func(c *cfg) {
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c.keyStore = store
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}
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}
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