From 80a2172715b6dd225a331d8f2cbccc78dcbd1302 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 10 Mar 2019 19:16:33 +0900
Subject: Resolve #4462

---
 src/server/api/stream/channels/index.ts       |  2 ++
 src/server/api/stream/channels/queue-stats.ts | 41 +++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 src/server/api/stream/channels/queue-stats.ts

(limited to 'src/server')

diff --git a/src/server/api/stream/channels/index.ts b/src/server/api/stream/channels/index.ts
index 02f71b5851..4527fb1e46 100644
--- a/src/server/api/stream/channels/index.ts
+++ b/src/server/api/stream/channels/index.ts
@@ -5,6 +5,7 @@ import hybridTimeline from './hybrid-timeline';
 import globalTimeline from './global-timeline';
 import notesStats from './notes-stats';
 import serverStats from './server-stats';
+import queueStats from './queue-stats';
 import userList from './user-list';
 import messaging from './messaging';
 import messagingIndex from './messaging-index';
@@ -23,6 +24,7 @@ export default {
 	globalTimeline,
 	notesStats,
 	serverStats,
+	queueStats,
 	userList,
 	messaging,
 	messagingIndex,
diff --git a/src/server/api/stream/channels/queue-stats.ts b/src/server/api/stream/channels/queue-stats.ts
new file mode 100644
index 0000000000..0bda0cfcb9
--- /dev/null
+++ b/src/server/api/stream/channels/queue-stats.ts
@@ -0,0 +1,41 @@
+import autobind from 'autobind-decorator';
+import Xev from 'xev';
+import Channel from '../channel';
+
+const ev = new Xev();
+
+export default class extends Channel {
+	public readonly chName = 'queueStats';
+	public static shouldShare = true;
+	public static requireCredential = false;
+
+	@autobind
+	public async init(params: any) {
+		ev.addListener('queueStats', this.onStats);
+	}
+
+	@autobind
+	private onStats(stats: any) {
+		this.send('stats', stats);
+	}
+
+	@autobind
+	public onMessage(type: string, body: any) {
+		switch (type) {
+			case 'requestLog':
+				ev.once(`queueStatsLog:${body.id}`, statsLog => {
+					this.send('statsLog', statsLog);
+				});
+				ev.emit('requestQueueStatsLog', {
+					id: body.id,
+					length: body.length
+				});
+				break;
+		}
+	}
+
+	@autobind
+	public dispose() {
+		ev.removeListener('queueStats', this.onStats);
+	}
+}
-- 
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