125 lines
3.6 KiB
TypeScript
125 lines
3.6 KiB
TypeScript
import * as kue from 'kue'
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import { JobType, JobState } from '../../../shared/models'
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import { logger } from '../../helpers/logger'
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import { CONFIG, JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY } from '../../initializers'
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import { ActivitypubHttpBroadcastPayload, processActivityPubHttpBroadcast } from './handlers/activitypub-http-broadcast'
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import { ActivitypubHttpFetcherPayload, processActivityPubHttpFetcher } from './handlers/activitypub-http-fetcher'
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import { ActivitypubHttpUnicastPayload, processActivityPubHttpUnicast } from './handlers/activitypub-http-unicast'
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import { processVideoFile, VideoFilePayload } from './handlers/video-file'
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type CreateJobArgument =
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{ type: 'activitypub-http-broadcast', payload: ActivitypubHttpBroadcastPayload } |
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{ type: 'activitypub-http-unicast', payload: ActivitypubHttpUnicastPayload } |
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{ type: 'activitypub-http-fetcher', payload: ActivitypubHttpFetcherPayload } |
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{ type: 'video-file', payload: VideoFilePayload }
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const handlers: { [ id in JobType ]: (job: kue.Job) => Promise<any>} = {
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'activitypub-http-broadcast': processActivityPubHttpBroadcast,
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'activitypub-http-unicast': processActivityPubHttpUnicast,
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'activitypub-http-fetcher': processActivityPubHttpFetcher,
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'video-file': processVideoFile
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}
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class JobQueue {
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private static instance: JobQueue
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private jobQueue: kue.Queue
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private initialized = false
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private constructor () {}
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init () {
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// Already initialized
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if (this.initialized === true) return
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this.initialized = true
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this.jobQueue = kue.createQueue({
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prefix: 'q-' + CONFIG.WEBSERVER.HOST,
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redis: {
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host: CONFIG.REDIS.HOSTNAME,
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port: CONFIG.REDIS.PORT,
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auth: CONFIG.REDIS.AUTH
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}
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})
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this.jobQueue.on('error', err => {
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logger.error('Error in job queue.', err)
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process.exit(-1)
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})
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this.jobQueue.watchStuckJobs(5000)
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for (const handlerName of Object.keys(handlers)) {
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this.jobQueue.process(handlerName, JOB_CONCURRENCY[handlerName], async (job, done) => {
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try {
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const res = await handlers[ handlerName ](job)
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return done(null, res)
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} catch (err) {
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return done(err)
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}
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})
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}
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}
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createJob (obj: CreateJobArgument, priority = 'normal') {
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return new Promise((res, rej) => {
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this.jobQueue
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.create(obj.type, obj.payload)
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.priority(priority)
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.attempts(JOB_ATTEMPTS[obj.type])
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.backoff({ type: 'exponential' })
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.save(err => {
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if (err) return rej(err)
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return res()
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})
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})
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}
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listForApi (state: JobState, start: number, count: number, sort: string) {
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return new Promise<kue.Job[]>((res, rej) => {
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kue.Job.rangeByState(state, start, count, sort, (err, jobs) => {
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if (err) return rej(err)
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return res(jobs)
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})
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})
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}
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count (state: JobState) {
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return new Promise<number>((res, rej) => {
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this.jobQueue[state + 'Count']((err, total) => {
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if (err) return rej(err)
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return res(total)
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})
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})
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}
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removeOldJobs () {
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const now = new Date().getTime()
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kue.Job.rangeByState('complete', 0, -1, 'asc', (err, jobs) => {
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if (err) {
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logger.error('Cannot get jobs when removing old jobs.', err)
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return
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}
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for (const job of jobs) {
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if (now - job.created_at > JOB_COMPLETED_LIFETIME) {
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job.remove()
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}
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}
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})
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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}
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// ---------------------------------------------------------------------------
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export {
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JobQueue
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}
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