PeerTube/server/core/lib/worker/parent-process.ts

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import { join } from 'path'
import Piscina from 'piscina'
import { JOB_CONCURRENCY, WORKER_THREADS } from '@server/initializers/constants.js'
import type httpBroadcast from './workers/http-broadcast.js'
import type downloadImage from './workers/image-downloader.js'
import type processImage from './workers/image-processor.js'
import type getImageSize from './workers/get-image-size.js'
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import type signJsonLDObject from './workers/sign-json-ld-object.js'
import type buildDigest from './workers/build-digest.js'
import type httpUnicast from './workers/http-unicast.js'
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import { logger } from '@server/helpers/logger.js'
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let downloadImageWorker: Piscina
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export function downloadImageFromWorker (options: Parameters<typeof downloadImage>[0]): Promise<ReturnType<typeof downloadImage>> {
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if (!downloadImageWorker) {
downloadImageWorker = new Piscina({
filename: new URL(join('workers', 'image-downloader.js'), import.meta.url).href,
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concurrentTasksPerWorker: WORKER_THREADS.DOWNLOAD_IMAGE.CONCURRENCY,
maxThreads: WORKER_THREADS.DOWNLOAD_IMAGE.MAX_THREADS,
minThreads: 1
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})
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downloadImageWorker.on('error', err => logger.error('Error in download image worker', { err }))
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}
return downloadImageWorker.run(options)
}
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// ---------------------------------------------------------------------------
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let processImageWorker: Piscina
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export function processImageFromWorker (options: Parameters<typeof processImage>[0]): Promise<ReturnType<typeof processImage>> {
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if (!processImageWorker) {
processImageWorker = new Piscina({
filename: new URL(join('workers', 'image-processor.js'), import.meta.url).href,
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concurrentTasksPerWorker: WORKER_THREADS.PROCESS_IMAGE.CONCURRENCY,
maxThreads: WORKER_THREADS.PROCESS_IMAGE.MAX_THREADS,
minThreads: 1
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})
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processImageWorker.on('error', err => logger.error('Error in process image worker', { err }))
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}
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return processImageWorker.run(options)
}
// ---------------------------------------------------------------------------
let getImageSizeWorker: Piscina
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export function getImageSizeFromWorker (options: Parameters<typeof getImageSize>[0]): Promise<ReturnType<typeof getImageSize>> {
if (!getImageSizeWorker) {
getImageSizeWorker = new Piscina({
filename: new URL(join('workers', 'get-image-size.js'), import.meta.url).href,
concurrentTasksPerWorker: WORKER_THREADS.GET_IMAGE_SIZE.CONCURRENCY,
maxThreads: WORKER_THREADS.GET_IMAGE_SIZE.MAX_THREADS,
minThreads: 1
})
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getImageSizeWorker.on('error', err => logger.error('Error in get image size worker', { err }))
}
return getImageSizeWorker.run(options)
}
// ---------------------------------------------------------------------------
let parallelHTTPBroadcastWorker: Piscina
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export function parallelHTTPBroadcastFromWorker (options: Parameters<typeof httpBroadcast>[0]): Promise<ReturnType<typeof httpBroadcast>> {
if (!parallelHTTPBroadcastWorker) {
parallelHTTPBroadcastWorker = new Piscina({
filename: new URL(join('workers', 'http-broadcast.js'), import.meta.url).href,
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// Keep it sync with job concurrency so the worker will accept all the requests sent by the parallelized jobs
concurrentTasksPerWorker: JOB_CONCURRENCY['activitypub-http-broadcast-parallel'],
maxThreads: 1,
minThreads: 1
})
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parallelHTTPBroadcastWorker.on('error', err => logger.error('Error in parallel HTTP broadcast worker', { err }))
}
return parallelHTTPBroadcastWorker.run(options)
}
// ---------------------------------------------------------------------------
let sequentialHTTPBroadcastWorker: Piscina
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export function sequentialHTTPBroadcastFromWorker (
options: Parameters<typeof httpBroadcast>[0]
): Promise<ReturnType<typeof httpBroadcast>> {
if (!sequentialHTTPBroadcastWorker) {
sequentialHTTPBroadcastWorker = new Piscina({
filename: new URL(join('workers', 'http-broadcast.js'), import.meta.url).href,
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// Keep it sync with job concurrency so the worker will accept all the requests sent by the parallelized jobs
concurrentTasksPerWorker: JOB_CONCURRENCY['activitypub-http-broadcast'],
maxThreads: 1,
minThreads: 1
})
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sequentialHTTPBroadcastWorker.on('error', err => logger.error('Error in sequential HTTP broadcast image worker', { err }))
}
return sequentialHTTPBroadcastWorker.run(options)
}
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// ---------------------------------------------------------------------------
let httpUnicastWorker: Piscina
export function httpUnicastFromWorker (
options: Parameters<typeof httpUnicast>[0]
): Promise<ReturnType<typeof httpUnicast>> {
if (!httpUnicastWorker) {
httpUnicastWorker = new Piscina({
filename: new URL(join('workers', 'http-unicast.js'), import.meta.url).href,
// Keep it sync with job concurrency so the worker will accept all the requests sent by the parallelized jobs
concurrentTasksPerWorker: JOB_CONCURRENCY['activitypub-http-unicast'],
maxThreads: 1,
minThreads: 1
})
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httpUnicastWorker.on('error', err => logger.error('Error in HTTP unicast worker', { err }))
}
return httpUnicastWorker.run(options)
}
// ---------------------------------------------------------------------------
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let signJsonLDObjectWorker: Piscina
export function signJsonLDObjectFromWorker <T> (
options: Parameters<typeof signJsonLDObject<T>>[0]
): ReturnType<typeof signJsonLDObject<T>> {
if (!signJsonLDObjectWorker) {
signJsonLDObjectWorker = new Piscina({
filename: new URL(join('workers', 'sign-json-ld-object.js'), import.meta.url).href,
concurrentTasksPerWorker: WORKER_THREADS.SIGN_JSON_LD_OBJECT.CONCURRENCY,
maxThreads: WORKER_THREADS.SIGN_JSON_LD_OBJECT.MAX_THREADS,
minThreads: 1
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})
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signJsonLDObjectWorker.on('error', err => logger.error('Error in sign JSONLD object worker', { err }))
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}
return signJsonLDObjectWorker.run(options)
}
// ---------------------------------------------------------------------------
let buildDigestWorker: Piscina
export function buildDigestFromWorker (
options: Parameters<typeof buildDigest>[0]
): Promise<ReturnType<typeof buildDigest>> {
if (!buildDigestWorker) {
buildDigestWorker = new Piscina({
filename: new URL(join('workers', 'build-digest.js'), import.meta.url).href,
// Keep it sync with job concurrency so the worker will accept all the requests sent by the parallelized jobs
concurrentTasksPerWorker: WORKER_THREADS.BUILD_DIGEST.CONCURRENCY,
maxThreads: WORKER_THREADS.BUILD_DIGEST.MAX_THREADS,
minThreads: 1
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})
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buildDigestWorker.on('error', err => logger.error('Error in build digest worker', { err }))
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}
return buildDigestWorker.run(options)
}
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// ---------------------------------------------------------------------------
export function getWorkersStats () {
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return [
{
label: 'downloadImage',
queueSize: downloadImageWorker?.queueSize || 0,
completed: downloadImageWorker?.completed || 0
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},
{
label: 'processImageWorker',
queueSize: processImageWorker?.queueSize || 0,
completed: processImageWorker?.completed || 0
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},
{
label: 'getImageSizeWorker',
queueSize: getImageSizeWorker?.queueSize || 0,
completed: getImageSizeWorker?.completed || 0
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},
{
label: 'parallelHTTPBroadcastWorker',
queueSize: parallelHTTPBroadcastWorker?.queueSize || 0,
completed: parallelHTTPBroadcastWorker?.completed || 0
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},
{
label: 'sequentialHTTPBroadcastWorker',
queueSize: sequentialHTTPBroadcastWorker?.queueSize || 0,
completed: sequentialHTTPBroadcastWorker?.completed || 0
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},
{
label: 'httpUnicastWorker',
queueSize: httpUnicastWorker?.queueSize || 0,
completed: httpUnicastWorker?.completed || 0
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},
{
label: 'signJsonLDObjectWorker',
queueSize: signJsonLDObjectWorker?.queueSize || 0,
completed: signJsonLDObjectWorker?.completed || 0
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},
{
label: 'buildDigestWorker',
queueSize: buildDigestWorker?.queueSize || 0,
completed: buildDigestWorker?.completed || 0
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}
]
}