95 lines
2.2 KiB
TypeScript
95 lines
2.2 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import Xev from 'xev';
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import * as Bull from 'bullmq';
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import { QueueService } from '@/core/QueueService.js';
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import { bindThis } from '@/decorators.js';
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import { DI } from '@/di-symbols.js';
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import type { Config } from '@/config.js';
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import { QUEUE, baseQueueOptions } from '@/queue/const.js';
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import type { OnApplicationShutdown } from '@nestjs/common';
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const ev = new Xev();
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const interval = 10000;
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@Injectable()
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export class QueueStatsService implements OnApplicationShutdown {
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private intervalId: NodeJS.Timer;
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constructor(
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@Inject(DI.config)
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private config: Config,
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private queueService: QueueService,
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) {
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}
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/**
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* Report queue stats regularly
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*/
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@bindThis
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public start(): void {
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const log = [] as any[];
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ev.on('requestQueueStatsLog', x => {
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ev.emit(`queueStatsLog:${x.id}`, log.slice(0, x.length ?? 50));
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});
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let activeDeliverJobs = 0;
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let activeInboxJobs = 0;
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const deliverQueueEvents = new Bull.QueueEvents(QUEUE.DELIVER, baseQueueOptions(this.config, QUEUE.DELIVER));
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const inboxQueueEvents = new Bull.QueueEvents(QUEUE.INBOX, baseQueueOptions(this.config, QUEUE.INBOX));
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deliverQueueEvents.on('active', () => {
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activeDeliverJobs++;
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});
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inboxQueueEvents.on('active', () => {
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activeInboxJobs++;
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});
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const tick = async () => {
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const deliverJobCounts = await this.queueService.deliverQueue.getJobCounts();
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const inboxJobCounts = await this.queueService.inboxQueue.getJobCounts();
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const stats = {
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deliver: {
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activeSincePrevTick: activeDeliverJobs,
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active: deliverJobCounts.active,
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waiting: deliverJobCounts.waiting,
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delayed: deliverJobCounts.delayed,
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},
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inbox: {
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activeSincePrevTick: activeInboxJobs,
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active: inboxJobCounts.active,
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waiting: inboxJobCounts.waiting,
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delayed: inboxJobCounts.delayed,
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},
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};
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ev.emit('queueStats', stats);
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log.unshift(stats);
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if (log.length > 200) log.pop();
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activeDeliverJobs = 0;
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activeInboxJobs = 0;
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};
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tick();
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this.intervalId = setInterval(tick, interval);
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}
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@bindThis
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public dispose(): void {
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clearInterval(this.intervalId);
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined): void {
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this.dispose();
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}
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}
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