78 lines
1.7 KiB
TypeScript
78 lines
1.7 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import Xev from 'xev';
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import { DI } from '@/di-symbols.js';
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import { QueueService } from '@/core/QueueService.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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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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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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this.queueService.deliverQueue.on('global:active', () => {
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activeDeliverJobs++;
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});
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this.queueService.inboxQueue.on('global: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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public onApplicationShutdown(signal?: string | undefined) {
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clearInterval(this.intervalId);
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}
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}
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