import Xev from 'xev'; import { deliverQueue, inboxQueue } from '../queue/queues'; const ev = new Xev(); const interval = 10000; /** * Report queue stats regularly */ export default function() { const log = [] as any[]; ev.on('requestQueueStatsLog', x => { ev.emit(`queueStatsLog:${x.id}`, log.slice(0, x.length || 50)); }); let activeDeliverJobs = 0; let activeInboxJobs = 0; deliverQueue.on('global:active', () => { activeDeliverJobs++; }); inboxQueue.on('global:active', () => { activeInboxJobs++; }); async function tick() { const deliverJobCounts = await deliverQueue.getJobCounts(); const inboxJobCounts = await inboxQueue.getJobCounts(); const stats = { deliver: { activeSincePrevTick: activeDeliverJobs, active: deliverJobCounts.active, waiting: deliverJobCounts.waiting, delayed: deliverJobCounts.delayed }, inbox: { activeSincePrevTick: activeInboxJobs, active: inboxJobCounts.active, waiting: inboxJobCounts.waiting, delayed: inboxJobCounts.delayed }, }; ev.emit('queueStats', stats); log.unshift(stats); if (log.length > 200) log.pop(); activeDeliverJobs = 0; activeInboxJobs = 0; } tick(); setInterval(tick, interval); }