caching

type Cache interface {
	Get(key string) (value interface{}, ok bool)
	Set(key string, value interface{})
	Unset(key string)
}

type Caches struct {
	RoomVersions       Cache // RoomVersionCache
	ServerKeys         Cache // ServerKeyCache
	RoomServerRoomNIDs Cache // RoomServerNIDsCache
	RoomServerRoomIDs  Cache // RoomServerNIDsCache
	RoomInfos          Cache // RoomInfoCache
	FederationEvents   Cache // FederationEventsCache
	SpaceSummaryRooms  Cache // SpaceSummaryRoomsCache
}

type FederationCache interface {
	GetFederationQueuedPDU(eventNID int64) (event *gomatrixserverlib.HeaderedEvent, ok bool)
	StoreFederationQueuedPDU(eventNID int64, event *gomatrixserverlib.HeaderedEvent)
	EvictFederationQueuedPDU(eventNID int64)

	GetFederationQueuedEDU(eventNID int64) (event *gomatrixserverlib.EDU, ok bool)
	StoreFederationQueuedEDU(eventNID int64, event *gomatrixserverlib.EDU)
	EvictFederationQueuedEDU(eventNID int64)
}

type InMemoryLRUCachePartition struct {
	// contains filtered or unexported fields
}

type RoomInfoCache interface {
	GetRoomInfo(roomID string) (roomInfo types.RoomInfo, ok bool)
	StoreRoomInfo(roomID string, roomInfo types.RoomInfo)
}

type RoomServerCaches interface {
	RoomServerNIDsCache
	RoomVersionCache
	RoomInfoCache
}

type RoomServerNIDsCache interface {
	GetRoomServerRoomID(roomNID types.RoomNID) (string, bool)
	StoreRoomServerRoomID(roomNID types.RoomNID, roomID string)
}

type RoomVersionCache interface {
	GetRoomVersion(roomID string) (roomVersion gomatrixserverlib.RoomVersion, ok bool)
	StoreRoomVersion(roomID string, roomVersion gomatrixserverlib.RoomVersion)
}

type ServerKeyCache interface {
	// request -> timestamp is emulating gomatrixserverlib.FetchKeys:
	// https://github.com/matrix-org/gomatrixserverlib/blob/f69539c86ea55d1e2cc76fd8e944e2d82d30397c/keyring.go#L95
	// The timestamp should be the timestamp of the event that is being
	// verified. We will not return keys from the cache that are not valid
	// at this timestamp.
	GetServerKey(request gomatrixserverlib.PublicKeyLookupRequest, timestamp gomatrixserverlib.Timestamp) (response gomatrixserverlib.PublicKeyLookupResult, ok bool)

	// request -> result is emulating gomatrixserverlib.StoreKeys:
	// https://github.com/matrix-org/gomatrixserverlib/blob/f69539c86ea55d1e2cc76fd8e944e2d82d30397c/keyring.go#L112
	StoreServerKey(request gomatrixserverlib.PublicKeyLookupRequest, response gomatrixserverlib.PublicKeyLookupResult)
}

type SpaceSummaryRoomsCache interface {
	GetSpaceSummary(roomID string) (r gomatrixserverlib.MSC2946SpacesResponse, ok bool)
	StoreSpaceSummary(roomID string, r gomatrixserverlib.MSC2946SpacesResponse)
}