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the-gluthe-glu
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[raft] Add base memstore
1 parent 4e0c128 commit 88968fa

18 files changed

Lines changed: 387 additions & 0 deletions

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‎pkg/aux_/store/memstore/doc.go‎

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// Package aux_.store.memstore provides a full implementation of store.Store[aux_.repos.Repository]
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// storing data in memory. It mean to be used by raftstore.
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package memstore

‎pkg/aux_/store/memstore/dss.go‎

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package memstore
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import (
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"context"
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auxmodels "github.com/interuss/dss/pkg/aux_/models"
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dsserr "github.com/interuss/dss/pkg/errors"
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"github.com/interuss/stacktrace"
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)
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func (r *repo) SaveOwnMetadata(_ context.Context, locality string, publicEndpoint string) error {
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return stacktrace.NewErrorWithCode(dsserr.NotImplemented, "SaveOwnMetadata not implemented for memstore")
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}
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func (r *repo) GetDSSMetadata(_ context.Context) ([]*auxmodels.DSSMetadata, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "GetDSSMetadata not implemented for memstore")
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}
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func (r *repo) RecordHeartbeat(_ context.Context, heartbeat auxmodels.Heartbeat) error {
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return stacktrace.NewErrorWithCode(dsserr.NotImplemented, "RecordHeartbeat not implemented for memstore")
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}
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func (r *repo) GetDSSAirspaceRepresentationID(_ context.Context) (string, error) {
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return "", stacktrace.NewErrorWithCode(dsserr.NotImplemented, "GetDSSAirspaceRepresentationID not implemented for memstore")
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}

‎pkg/aux_/store/memstore/store.go‎

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package memstore
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import (
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"context"
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"github.com/interuss/dss/pkg/aux_/repos"
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"github.com/interuss/dss/pkg/memstore"
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"go.uber.org/zap"
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)
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// repo is a full implementation of aux_.repos.Repository for memory-based storage.
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type repo struct{}
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func Init(ctx context.Context, logger *zap.Logger) (*memstore.Store[repos.Repository], error) {
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return memstore.Init(ctx, logger, "aux_", &repo{})
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}
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func (r *repo) GetRepo() repos.Repository { return r }

‎pkg/aux_/store/store.go‎

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@@ -4,6 +4,7 @@ import (
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"context"
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"github.com/interuss/dss/pkg/aux_/repos"
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auxmemstore "github.com/interuss/dss/pkg/aux_/store/memstore"
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auxraftstore "github.com/interuss/dss/pkg/aux_/store/raftstore"
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auxsqlstore "github.com/interuss/dss/pkg/aux_/store/sqlstore"
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dssstore "github.com/interuss/dss/pkg/store"
@@ -24,6 +25,8 @@ func Init(ctx context.Context, logger *zap.Logger, withCheckCron bool) (Store, e
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return auxsqlstore.Init(ctx, logger, withCheckCron)
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case params.RaftStoreType:
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return auxraftstore.Init(ctx, logger)
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case params.MemStoreType:
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return auxmemstore.Init(ctx, logger)
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default:
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return nil, stacktrace.NewError("Unsupported store type %q for aux", storeType)
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}

‎pkg/memstore/store.go‎

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package memstore
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// Memstore are a special kind of store:
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// They store data in memory. There is no persistant stoage.
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// They are a singleton.
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// They are not thread-safe.
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//
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// As of now, they are made to be used by raftstorage.
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// Adaptations could be done to use them directly in the future
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import (
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"context"
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"sync"
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dsserr "github.com/interuss/dss/pkg/errors"
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"github.com/interuss/dss/pkg/logging"
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"github.com/interuss/stacktrace"
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"go.uber.org/zap"
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)
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type MemRepo[R any] interface {
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GetRepo() R
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}
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type Store[R any] struct {
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logger *zap.Logger
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name string
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memRepo MemRepo[R]
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}
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var (
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stores = map[string]any{}
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storesMu sync.Mutex
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)
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func Init[R any](ctx context.Context, logger *zap.Logger, name string, r MemRepo[R]) (*Store[R], error) {
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storesMu.Lock()
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defer storesMu.Unlock()
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if s, ok := stores[name]; ok {
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return s.(*Store[R]), nil
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}
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store := &Store[R]{
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name: name,
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logger: logging.WithValuesFromContext(ctx, logger),
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memRepo: r,
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}
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stores[name] = store
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return store, nil
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}
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func (s *Store[R]) Transact(ctx context.Context, requestType string, payload any, _ func(context.Context, R) error) (any, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "Transact not implemented for memstore")
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}
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func (s *Store[R]) Interact(_ context.Context) (R, error) {
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return s.memRepo.GetRepo(), nil
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}
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func (s *Store[R]) Close() error {
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return nil
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}

‎pkg/rid/store/memstore/doc.go‎

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// Package rid.store.memstore provides a full implementation of store.Store[rid.repos.Repository]
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// storing data in memory. It mean to be used by raftstore.
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package memstore

‎pkg/rid/store/memstore/identification_service_area.go‎

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package memstore
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import (
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"context"
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"time"
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"github.com/golang/geo/s2"
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dsserr "github.com/interuss/dss/pkg/errors"
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dssmodels "github.com/interuss/dss/pkg/models"
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ridmodels "github.com/interuss/dss/pkg/rid/models"
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"github.com/interuss/stacktrace"
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)
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func (r *repo) GetISA(_ context.Context, id dssmodels.ID, forUpdate bool) (*ridmodels.IdentificationServiceArea, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "GetISA not implemented for memstore")
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}
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func (r *repo) DeleteISA(_ context.Context, isa *ridmodels.IdentificationServiceArea) (*ridmodels.IdentificationServiceArea, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "DeleteISA not implemented for memstore")
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}
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func (r *repo) InsertISA(_ context.Context, isa *ridmodels.IdentificationServiceArea) (*ridmodels.IdentificationServiceArea, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "InsertISA not implemented for memstore")
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}
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func (r *repo) UpdateISA(_ context.Context, isa *ridmodels.IdentificationServiceArea) (*ridmodels.IdentificationServiceArea, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "UpdateISA not implemented for memstore")
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}
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func (r *repo) SearchISAs(_ context.Context, cells s2.CellUnion, earliest *time.Time, latest *time.Time) ([]*ridmodels.IdentificationServiceArea, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "SearchISAs not implemented for memstore")
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}
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func (r *repo) ListExpiredISAs(_ context.Context, writer string, threshold time.Time) ([]*ridmodels.IdentificationServiceArea, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "ListExpiredISAs not implemented for memstore")
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}
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func (r *repo) CountISAs(_ context.Context) (int64, error) {
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return 0, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "CountISAs not implemented for memstore")
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}

‎pkg/rid/store/memstore/store.go‎

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package memstore
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import (
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"context"
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"github.com/interuss/dss/pkg/memstore"
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"github.com/interuss/dss/pkg/rid/repos"
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"go.uber.org/zap"
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)
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// repo is a full implementation of rid.repos.Repository for memory-based storage.
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type repo struct{}
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func Init(ctx context.Context, logger *zap.Logger) (*memstore.Store[repos.Repository], error) {
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return memstore.Init(ctx, logger, "rid", &repo{})
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}
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func (r *repo) GetRepo() repos.Repository { return r }

‎pkg/rid/store/memstore/subscriptions.go‎

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package memstore
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import (
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"context"
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"time"
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"github.com/golang/geo/s2"
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dsserr "github.com/interuss/dss/pkg/errors"
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dssmodels "github.com/interuss/dss/pkg/models"
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ridmodels "github.com/interuss/dss/pkg/rid/models"
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"github.com/interuss/stacktrace"
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)
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func (r *repo) GetSubscription(_ context.Context, id dssmodels.ID) (*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "GetSubscription not implemented for memstore")
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}
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func (r *repo) DeleteSubscription(_ context.Context, sub *ridmodels.Subscription) (*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "DeleteSubscription not implemented for memstore")
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}
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func (r *repo) InsertSubscription(_ context.Context, sub *ridmodels.Subscription) (*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "InsertSubscription not implemented for memstore")
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}
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func (r *repo) UpdateSubscription(_ context.Context, sub *ridmodels.Subscription) (*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "UpdateSubscription not implemented for memstore")
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}
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func (r *repo) SearchSubscriptions(_ context.Context, cells s2.CellUnion) ([]*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "SearchSubscriptions not implemented for memstore")
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}
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func (r *repo) SearchSubscriptionsByOwner(_ context.Context, cells s2.CellUnion, owner dssmodels.Owner) ([]*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "SearchSubscriptionsByOwner not implemented for memstore")
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}
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func (r *repo) UpdateNotificationIdxsInCells(_ context.Context, cells s2.CellUnion) ([]*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "UpdateNotificationIdxsInCells not implemented for memstore")
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}
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func (r *repo) MaxSubscriptionCountInCellsByOwner(_ context.Context, cells s2.CellUnion, owner dssmodels.Owner) (int, error) {
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return 0, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "MaxSubscriptionCountInCellsByOwner not implemented for memstore")
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}
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func (r *repo) ListExpiredSubscriptions(_ context.Context, writer string, threshold time.Time) ([]*ridmodels.Subscription, error) {
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return nil, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "ListExpiredSubscriptions not implemented for memstore")
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}
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func (r *repo) CountSubscriptions(_ context.Context) (int64, error) {
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return 0, stacktrace.NewErrorWithCode(dsserr.NotImplemented, "CountSubscriptions not implemented for memstore")
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}

‎pkg/rid/store/store.go‎

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@@ -4,6 +4,7 @@ import (
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"context"
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"github.com/interuss/dss/pkg/rid/repos"
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ridmemstore "github.com/interuss/dss/pkg/rid/store/memstore"
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ridraftstore "github.com/interuss/dss/pkg/rid/store/raftstore"
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ridsqlstore "github.com/interuss/dss/pkg/rid/store/sqlstore"
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dssstore "github.com/interuss/dss/pkg/store"
@@ -24,6 +25,8 @@ func Init(ctx context.Context, logger *zap.Logger, withCheckCron bool) (Store, e
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return ridsqlstore.Init(ctx, logger, withCheckCron)
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case params.RaftStoreType:
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return ridraftstore.Init(ctx, logger)
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case params.MemStoreType:
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return ridmemstore.Init(ctx, logger)
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default:
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return nil, stacktrace.NewError("Unsupported store type %q for rid", storeType)
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}

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