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52 lines
2.3 KiB
Go
52 lines
2.3 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caching
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import (
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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// Caches contains a set of references to caches. They may be
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// different implementations as long as they satisfy the Cache
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// interface.
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type Caches struct {
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RoomVersions Cache[string, gomatrixserverlib.RoomVersion] // room ID -> room version
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ServerKeys Cache[string, gomatrixserverlib.PublicKeyLookupResult] // server name -> server keys
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RoomServerRoomNIDs Cache[string, types.RoomNID] // room ID -> room NID
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RoomServerRoomIDs Cache[int64, string] // room NID -> room ID
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RoomServerEvents Cache[int64, *gomatrixserverlib.Event] // event NID -> event
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RoomInfos Cache[string, *types.RoomInfo] // room ID -> room info
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FederationPDUs Cache[int64, *gomatrixserverlib.HeaderedEvent] // queue NID -> PDU
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FederationEDUs Cache[int64, *gomatrixserverlib.EDU] // queue NID -> EDU
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SpaceSummaryRooms Cache[string, gomatrixserverlib.MSC2946SpacesResponse] // room ID -> space response
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LazyLoading Cache[lazyLoadingCacheKey, string] // composite key -> event ID
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}
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// Cache is the interface that an implementation must satisfy.
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type Cache[K keyable, T any] interface {
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Get(key K) (value T, ok bool)
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Set(key K, value T)
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Unset(key K)
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}
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type keyable interface {
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// from https://github.com/dgraph-io/ristretto/blob/8e850b710d6df0383c375ec6a7beae4ce48fc8d5/z/z.go#L34
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uint64 | string | []byte | byte | int | int32 | uint32 | int64 | lazyLoadingCacheKey
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}
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type costable interface {
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CacheCost() int
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}
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