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refactor(backend): rename cache class

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This commit is contained in:
syuilo 2023-03-24 16:43:42 +09:00
parent 4a17906530
commit e438091113
15 changed files with 137 additions and 52 deletions
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6
packages/backend/src/core/CustomEmojiService.ts
View file

@ -8,7 +8,7 @@ import type { DriveFile } from '@/models/entities/DriveFile.js';
import type { Emoji } from '@/models/entities/Emoji.js';
import type { EmojisRepository, Note } from '@/models/index.js';
import { bindThis } from '@/decorators.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import { UtilityService } from '@/core/UtilityService.js';
import type { Config } from '@/config.js';
import { ReactionService } from '@/core/ReactionService.js';
@ -16,7 +16,7 @@ import { query } from '@/misc/prelude/url.js';
@Injectable()
export class CustomEmojiService {
private cache: Cache<Emoji | null>;
private cache: KVCache<Emoji | null>;
constructor(
@Inject(DI.config)
@ -34,7 +34,7 @@ export class CustomEmojiService {
private globalEventService: GlobalEventService,
private reactionService: ReactionService,
) {
this.cache = new Cache<Emoji | null>(1000 * 60 * 60 * 12);
this.cache = new KVCache<Emoji | null>(1000 * 60 * 60 * 12);
}
@bindThis

6
packages/backend/src/core/FederatedInstanceService.ts
View file

@ -1,7 +1,7 @@
import { Inject, Injectable } from '@nestjs/common';
import type { InstancesRepository } from '@/models/index.js';
import type { Instance } from '@/models/entities/Instance.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import { IdService } from '@/core/IdService.js';
import { DI } from '@/di-symbols.js';
import { UtilityService } from '@/core/UtilityService.js';
@ -9,7 +9,7 @@ import { bindThis } from '@/decorators.js';
@Injectable()
export class FederatedInstanceService {
private cache: Cache<Instance>;
private cache: KVCache<Instance>;
constructor(
@Inject(DI.instancesRepository)
@ -18,7 +18,7 @@ export class FederatedInstanceService {
private utilityService: UtilityService,
private idService: IdService,
) {
this.cache = new Cache<Instance>(1000 * 60 * 60);
this.cache = new KVCache<Instance>(1000 * 60 * 60);
}
@bindThis

6
packages/backend/src/core/InstanceActorService.ts
View file

@ -2,7 +2,7 @@ import { Inject, Injectable } from '@nestjs/common';
import { IsNull } from 'typeorm';
import type { LocalUser } from '@/models/entities/User.js';
import type { UsersRepository } from '@/models/index.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import { DI } from '@/di-symbols.js';
import { CreateSystemUserService } from '@/core/CreateSystemUserService.js';
import { bindThis } from '@/decorators.js';
@ -11,7 +11,7 @@ const ACTOR_USERNAME = 'instance.actor' as const;
@Injectable()
export class InstanceActorService {
private cache: Cache<LocalUser>;
private cache: KVCache<LocalUser>;
constructor(
@Inject(DI.usersRepository)
@ -19,7 +19,7 @@ export class InstanceActorService {
private createSystemUserService: CreateSystemUserService,
) {
this.cache = new Cache<LocalUser>(Infinity);
this.cache = new KVCache<LocalUser>(Infinity);
}
@bindThis

4
packages/backend/src/core/NoteCreateService.ts
View file

@ -19,7 +19,7 @@ import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js
import { checkWordMute } from '@/misc/check-word-mute.js';
import type { Channel } from '@/models/entities/Channel.js';
import { normalizeForSearch } from '@/misc/normalize-for-search.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { UserProfile } from '@/models/entities/UserProfile.js';
import { RelayService } from '@/core/RelayService.js';
import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
@ -46,7 +46,7 @@ import { DB_MAX_NOTE_TEXT_LENGTH } from '@/const.js';
import { RoleService } from '@/core/RoleService.js';
import { MetaService } from '@/core/MetaService.js';
const mutedWordsCache = new Cache<{ userId: UserProfile['userId']; mutedWords: UserProfile['mutedWords']; }[]>(1000 * 60 * 5);
const mutedWordsCache = new KVCache<{ userId: UserProfile['userId']; mutedWords: UserProfile['mutedWords']; }[]>(1000 * 60 * 5);
type NotificationType = 'reply' | 'renote' | 'quote' | 'mention';

6
packages/backend/src/core/RelayService.ts
View file

@ -3,7 +3,7 @@ import { IsNull } from 'typeorm';
import type { LocalUser, User } from '@/models/entities/User.js';
import type { RelaysRepository, UsersRepository } from '@/models/index.js';
import { IdService } from '@/core/IdService.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { Relay } from '@/models/entities/Relay.js';
import { QueueService } from '@/core/QueueService.js';
import { CreateSystemUserService } from '@/core/CreateSystemUserService.js';
@ -16,7 +16,7 @@ const ACTOR_USERNAME = 'relay.actor' as const;
@Injectable()
export class RelayService {
private relaysCache: Cache<Relay[]>;
private relaysCache: KVCache<Relay[]>;
constructor(
@Inject(DI.usersRepository)
@ -30,7 +30,7 @@ export class RelayService {
private createSystemUserService: CreateSystemUserService,
private apRendererService: ApRendererService,
) {
this.relaysCache = new Cache<Relay[]>(1000 * 60 * 10);
this.relaysCache = new KVCache<Relay[]>(1000 * 60 * 10);
}
@bindThis

10
packages/backend/src/core/RoleService.ts
View file

@ -2,7 +2,7 @@ import { Inject, Injectable } from '@nestjs/common';
import Redis from 'ioredis';
import { In } from 'typeorm';
import type { Role, RoleAssignment, RoleAssignmentsRepository, RolesRepository, UsersRepository } from '@/models/index.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { User } from '@/models/entities/User.js';
import { DI } from '@/di-symbols.js';
import { bindThis } from '@/decorators.js';
@ -57,8 +57,8 @@ export const DEFAULT_POLICIES: RolePolicies = {
@Injectable()
export class RoleService implements OnApplicationShutdown {
private rolesCache: Cache<Role[]>;
private roleAssignmentByUserIdCache: Cache<RoleAssignment[]>;
private rolesCache: KVCache<Role[]>;
private roleAssignmentByUserIdCache: KVCache<RoleAssignment[]>;
public static AlreadyAssignedError = class extends Error {};
public static NotAssignedError = class extends Error {};
@ -84,8 +84,8 @@ export class RoleService implements OnApplicationShutdown {
) {
//this.onMessage = this.onMessage.bind(this);
this.rolesCache = new Cache<Role[]>(Infinity);
this.roleAssignmentByUserIdCache = new Cache<RoleAssignment[]>(Infinity);
this.rolesCache = new KVCache<Role[]>(Infinity);
this.roleAssignmentByUserIdCache = new KVCache<RoleAssignment[]>(Infinity);
this.redisSubscriber.on('message', this.onMessage);
}

6
packages/backend/src/core/UserBlockingService.ts
View file

@ -15,7 +15,7 @@ import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
import { LoggerService } from '@/core/LoggerService.js';
import { WebhookService } from '@/core/WebhookService.js';
import { bindThis } from '@/decorators.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import { StreamMessages } from '@/server/api/stream/types.js';
@Injectable()
@ -23,7 +23,7 @@ export class UserBlockingService implements OnApplicationShutdown {
private logger: Logger;
// キーがユーザーIDで、値がそのユーザーがブロックしているユーザーのIDのリストなキャッシュ
private blockingsByUserIdCache: Cache<User['id'][]>;
private blockingsByUserIdCache: KVCache<User['id'][]>;
constructor(
@Inject(DI.redisSubscriber)
@ -58,7 +58,7 @@ export class UserBlockingService implements OnApplicationShutdown {
) {
this.logger = this.loggerService.getLogger('user-block');
this.blockingsByUserIdCache = new Cache<User['id'][]>(Infinity);
this.blockingsByUserIdCache = new KVCache<User['id'][]>(Infinity);
this.redisSubscriber.on('message', this.onMessage);
}

18
packages/backend/src/core/UserCacheService.ts
View file

@ -1,7 +1,7 @@
import { Inject, Injectable } from '@nestjs/common';
import Redis from 'ioredis';
import type { UsersRepository } from '@/models/index.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { LocalUser, User } from '@/models/entities/User.js';
import { DI } from '@/di-symbols.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
@ -11,10 +11,10 @@ import type { OnApplicationShutdown } from '@nestjs/common';
@Injectable()
export class UserCacheService implements OnApplicationShutdown {
public userByIdCache: Cache<User>;
public localUserByNativeTokenCache: Cache<LocalUser | null>;
public localUserByIdCache: Cache<LocalUser>;
public uriPersonCache: Cache<User | null>;
public userByIdCache: KVCache<User>;
public localUserByNativeTokenCache: KVCache<LocalUser | null>;
public localUserByIdCache: KVCache<LocalUser>;
public uriPersonCache: KVCache<User | null>;
constructor(
@Inject(DI.redisSubscriber)
@ -27,10 +27,10 @@ export class UserCacheService implements OnApplicationShutdown {
) {
//this.onMessage = this.onMessage.bind(this);
this.userByIdCache = new Cache<User>(Infinity);
this.localUserByNativeTokenCache = new Cache<LocalUser | null>(Infinity);
this.localUserByIdCache = new Cache<LocalUser>(Infinity);
this.uriPersonCache = new Cache<User | null>(Infinity);
this.userByIdCache = new KVCache<User>(Infinity);
this.localUserByNativeTokenCache = new KVCache<LocalUser | null>(Infinity);
this.localUserByIdCache = new KVCache<LocalUser>(Infinity);
this.uriPersonCache = new KVCache<User | null>(Infinity);
this.redisSubscriber.on('message', this.onMessage);
}

6
packages/backend/src/core/UserKeypairStoreService.ts
View file

@ -1,20 +1,20 @@
import { Inject, Injectable } from '@nestjs/common';
import type { User } from '@/models/entities/User.js';
import type { UserKeypairsRepository } from '@/models/index.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { UserKeypair } from '@/models/entities/UserKeypair.js';
import { DI } from '@/di-symbols.js';
import { bindThis } from '@/decorators.js';
@Injectable()
export class UserKeypairStoreService {
private cache: Cache<UserKeypair>;
private cache: KVCache<UserKeypair>;
constructor(
@Inject(DI.userKeypairsRepository)
private userKeypairsRepository: UserKeypairsRepository,
) {
this.cache = new Cache<UserKeypair>(Infinity);
this.cache = new KVCache<UserKeypair>(Infinity);
}
@bindThis

10
packages/backend/src/core/activitypub/ApDbResolverService.ts
View file

@ -3,7 +3,7 @@ import escapeRegexp from 'escape-regexp';
import { DI } from '@/di-symbols.js';
import type { NotesRepository, UserPublickeysRepository, UsersRepository } from '@/models/index.js';
import type { Config } from '@/config.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { UserPublickey } from '@/models/entities/UserPublickey.js';
import { UserCacheService } from '@/core/UserCacheService.js';
import type { Note } from '@/models/entities/Note.js';
@ -31,8 +31,8 @@ export type UriParseResult = {
@Injectable()
export class ApDbResolverService {
private publicKeyCache: Cache<UserPublickey | null>;
private publicKeyByUserIdCache: Cache<UserPublickey | null>;
private publicKeyCache: KVCache<UserPublickey | null>;
private publicKeyByUserIdCache: KVCache<UserPublickey | null>;
constructor(
@Inject(DI.config)
@ -50,8 +50,8 @@ export class ApDbResolverService {
private userCacheService: UserCacheService,
private apPersonService: ApPersonService,
) {
this.publicKeyCache = new Cache<UserPublickey | null>(Infinity);
this.publicKeyByUserIdCache = new Cache<UserPublickey | null>(Infinity);
this.publicKeyCache = new KVCache<UserPublickey | null>(Infinity);
this.publicKeyByUserIdCache = new KVCache<UserPublickey | null>(Infinity);
}
@bindThis

6
packages/backend/src/core/entities/UserEntityService.ts
View file

@ -8,7 +8,7 @@ import type { Packed } from '@/misc/json-schema.js';
import type { Promiseable } from '@/misc/prelude/await-all.js';
import { awaitAll } from '@/misc/prelude/await-all.js';
import { USER_ACTIVE_THRESHOLD, USER_ONLINE_THRESHOLD } from '@/const.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { Instance } from '@/models/entities/Instance.js';
import type { LocalUser, RemoteUser, User } from '@/models/entities/User.js';
import { birthdaySchema, descriptionSchema, localUsernameSchema, locationSchema, nameSchema, passwordSchema } from '@/models/entities/User.js';
@ -52,7 +52,7 @@ export class UserEntityService implements OnModuleInit {
private customEmojiService: CustomEmojiService;
private antennaService: AntennaService;
private roleService: RoleService;
private userInstanceCache: Cache<Instance | null>;
private userInstanceCache: KVCache<Instance | null>;
constructor(
private moduleRef: ModuleRef,
@ -121,7 +121,7 @@ export class UserEntityService implements OnModuleInit {
//private antennaService: AntennaService,
//private roleService: RoleService,
) {
this.userInstanceCache = new Cache<Instance | null>(1000 * 60 * 60 * 3);
this.userInstanceCache = new KVCache<Instance | null>(1000 * 60 * 60 * 3);
}
onModuleInit() {

89
packages/backend/src/misc/cache.ts
View file

@ -2,11 +2,11 @@ import { bindThis } from '@/decorators.js';
// TODO: メモリ節約のためあまり参照されないキーを定期的に削除できるようにする？
export class Cache<T> {
export class KVCache<T> {
public cache: Map<string | null, { date: number; value: T; }>;
private lifetime: number;
constructor(lifetime: Cache<never>['lifetime']) {
constructor(lifetime: KVCache<never>['lifetime']) {
this.cache = new Map();
this.lifetime = lifetime;
}
@ -87,3 +87,88 @@ export class Cache<T> {
return value;
}
}
export class Cache<T> {
private cachedAt: number | null = null;
private value: T | undefined;
private lifetime: number;
constructor(lifetime: Cache<never>['lifetime']) {
this.lifetime = lifetime;
}
@bindThis
public set(value: T): void {
this.cachedAt = Date.now();
this.value = value;
}
@bindThis
public get(): T | undefined {
if (this.cachedAt == null) return undefined;
if ((Date.now() - this.cachedAt) > this.lifetime) {
this.value = undefined;
this.cachedAt = null;
return undefined;
}
return this.value;
}
@bindThis
public delete() {
this.value = undefined;
this.cachedAt = null;
}
/**
* キャッシュがあればそれを返し、無ければfetcherを呼び出して結果をキャッシュ&返します
* optional: キャッシュが存在してもvalidatorでfalseを返すとキャッシュ無効扱いにします
*/
@bindThis
public async fetch(fetcher: () => Promise<T>, validator?: (cachedValue: T) => boolean): Promise<T> {
const cachedValue = this.get();
if (cachedValue !== undefined) {
if (validator) {
if (validator(cachedValue)) {
// Cache HIT
return cachedValue;
}
} else {
// Cache HIT
return cachedValue;
}
}
// Cache MISS
const value = await fetcher();
this.set(value);
return value;
}
/**
* キャッシュがあればそれを返し、無ければfetcherを呼び出して結果をキャッシュ&返します
* optional: キャッシュが存在してもvalidatorでfalseを返すとキャッシュ無効扱いにします
*/
@bindThis
public async fetchMaybe(fetcher: () => Promise<T | undefined>, validator?: (cachedValue: T) => boolean): Promise<T | undefined> {
const cachedValue = this.get();
if (cachedValue !== undefined) {
if (validator) {
if (validator(cachedValue)) {
// Cache HIT
return cachedValue;
}
} else {
// Cache HIT
return cachedValue;
}
}
// Cache MISS
const value = await fetcher();
if (value !== undefined) {
this.set(value);
}
return value;
}
}

6
packages/backend/src/queue/processors/DeliverProcessorService.ts
View file

@ -7,7 +7,7 @@ import { MetaService } from '@/core/MetaService.js';
import { ApRequestService } from '@/core/activitypub/ApRequestService.js';
import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
import { FetchInstanceMetadataService } from '@/core/FetchInstanceMetadataService.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { Instance } from '@/models/entities/Instance.js';
import InstanceChart from '@/core/chart/charts/instance.js';
import ApRequestChart from '@/core/chart/charts/ap-request.js';
@ -22,7 +22,7 @@ import type { DeliverJobData } from '../types.js';
@Injectable()
export class DeliverProcessorService {
private logger: Logger;
private suspendedHostsCache: Cache<Instance[]>;
private suspendedHostsCache: KVCache<Instance[]>;
private latest: string | null;
constructor(
@ -46,7 +46,7 @@ export class DeliverProcessorService {
private queueLoggerService: QueueLoggerService,
) {
this.logger = this.queueLoggerService.logger.createSubLogger('deliver');
this.suspendedHostsCache = new Cache<Instance[]>(1000 * 60 * 60);
this.suspendedHostsCache = new KVCache<Instance[]>(1000 * 60 * 60);
}
@bindThis

4
packages/backend/src/server/NodeinfoServerService.ts
View file

@ -4,7 +4,7 @@ import type { NotesRepository, UsersRepository } from '@/models/index.js';
import type { Config } from '@/config.js';
import { MetaService } from '@/core/MetaService.js';
import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { bindThis } from '@/decorators.js';
import NotesChart from '@/core/chart/charts/notes.js';
@ -118,7 +118,7 @@ export class NodeinfoServerService {
};
};
const cache = new Cache<Awaited<ReturnType<typeof nodeinfo2>>>(1000 * 60 * 10);
const cache = new KVCache<Awaited<ReturnType<typeof nodeinfo2>>>(1000 * 60 * 10);
fastify.get(nodeinfo2_1path, async (request, reply) => {
const base = await cache.fetch(null, () => nodeinfo2());

6
packages/backend/src/server/api/AuthenticateService.ts
View file

@ -3,7 +3,7 @@ import { DI } from '@/di-symbols.js';
import type { AccessTokensRepository, AppsRepository, UsersRepository } from '@/models/index.js';
import type { LocalUser } from '@/models/entities/User.js';
import type { AccessToken } from '@/models/entities/AccessToken.js';
import { Cache } from '@/misc/cache.js';
import { KVCache } from '@/misc/cache.js';
import type { App } from '@/models/entities/App.js';
import { UserCacheService } from '@/core/UserCacheService.js';
import isNativeToken from '@/misc/is-native-token.js';
@ -18,7 +18,7 @@ export class AuthenticationError extends Error {
@Injectable()
export class AuthenticateService {
private appCache: Cache<App>;
private appCache: KVCache<App>;
constructor(
@Inject(DI.usersRepository)
@ -32,7 +32,7 @@ export class AuthenticateService {
private userCacheService: UserCacheService,
) {
this.appCache = new Cache<App>(Infinity);
this.appCache = new KVCache<App>(Infinity);
}
@bindThis