Redisがインストールされているときはイベントの共有にRedisのpub/subを使うように

2 files changed, 33 insertions, 5 deletions

diff --git a/src/server/api/stream/index.ts b/src/server/api/stream/index.ts
index 838d847004..afedd4362c 100644
--- a/src/server/api/stream/index.ts
+++ b/src/server/api/stream/index.ts
@@ -1,6 +1,5 @@
 import autobind from 'autobind-decorator';
 import * as websocket from 'websocket';
-import Xev from 'xev';
 import * as debug from 'debug';
 
 import User, { IUser } from '../../../models/user';
@@ -11,6 +10,7 @@ import readNote from '../../../services/note/read';
 
 import Channel from './channel';
 import channels from './channels';
+import { EventEmitter } from 'events';
 
 const log = debug('misskey');
 
@@ -21,14 +21,14 @@ export default class Connection {
 	public user?: IUser;
 	public app: IApp;
 	private wsConnection: websocket.connection;
-	public subscriber: Xev;
+	public subscriber: EventEmitter;
 	private channels: Channel[] = [];
 	private subscribingNotes: any = {};
 	public sendMessageToWsOverride: any = null; // 後方互換性のため
 
 	constructor(
 		wsConnection: websocket.connection,
-		subscriber: Xev,
+		subscriber: EventEmitter,
 		user: IUser,
 		app: IApp
 	) {
diff --git a/src/server/api/streaming.ts b/src/server/api/streaming.ts
index a0a219a317..249157e222 100644
--- a/src/server/api/streaming.ts
+++ b/src/server/api/streaming.ts
@@ -1,11 +1,14 @@
 import * as http from 'http';
 import * as websocket from 'websocket';
+import * as redis from 'redis';
 import Xev from 'xev';
 
 import MainStreamConnection from './stream';
 import { ParsedUrlQuery } from 'querystring';
 import authenticate from './authenticate';
 import channels from './stream/channels';
+import { EventEmitter } from 'events';
+import config from '../../config';
 
 module.exports = (server: http.Server) => {
 	// Init websocket server
@@ -16,11 +19,36 @@ module.exports = (server: http.Server) => {
 	ws.on('request', async (request) => {
 		const connection = request.accept();
 
-		const ev = new Xev();
-
 		const q = request.resourceURL.query as ParsedUrlQuery;
 		const [user, app] = await authenticate(q.i as string);
 
+		let ev: EventEmitter;
+
+		if (config.redis) {
+			// Connect to Redis
+			const subscriber = redis.createClient(
+				config.redis.port, config.redis.host);
+
+			subscriber.subscribe('misskey');
+
+			ev = new EventEmitter();
+
+			subscriber.on('message', async (_, data) => {
+				const obj = JSON.parse(data);
+
+				console.log(obj);
+
+				ev.emit(obj.channel, obj.message);
+			});
+
+			connection.once('close', () => {
+				subscriber.unsubscribe();
+				subscriber.quit();
+			});
+		} else {
+			ev = new Xev();
+		}
+
 		const main = new MainStreamConnection(connection, ev, user, app);
 
 		// 後方互換性のため