| 1 | import type { AddressInfo } from 'node:net' |
| 2 | import { dirname, extname, join } from 'node:path' |
| 3 | import { fileURLToPath } from 'node:url' |
| 4 | import { ClusterWorker, availableParallelism } from 'poolifier' |
| 5 | import Fastify from 'fastify' |
| 6 | import type { ClusterWorkerData, ClusterWorkerResponse } from './types.js' |
| 7 | import { fastifyPoolifier } from './fastify-poolifier.js' |
| 8 | |
| 9 | const startFastify = async ( |
| 10 | workerData?: ClusterWorkerData |
| 11 | ): Promise<ClusterWorkerResponse> => { |
| 12 | const { port } = workerData as ClusterWorkerData |
| 13 | const fastify = Fastify({ |
| 14 | logger: true |
| 15 | }) |
| 16 | |
| 17 | const requestHandlerWorkerFile = join( |
| 18 | dirname(fileURLToPath(import.meta.url)), |
| 19 | `request-handler-worker${extname(fileURLToPath(import.meta.url))}` |
| 20 | ) |
| 21 | |
| 22 | await fastify.register(fastifyPoolifier, { |
| 23 | workerFile: requestHandlerWorkerFile, |
| 24 | maxWorkers: Math.round(availableParallelism() / 2), |
| 25 | enableTasksQueue: true, |
| 26 | tasksQueueOptions: { |
| 27 | concurrency: 8 |
| 28 | }, |
| 29 | errorHandler: (e: Error) => { |
| 30 | fastify.log.error('Thread worker error', e) |
| 31 | } |
| 32 | }) |
| 33 | |
| 34 | fastify.all('/api/echo', async request => { |
| 35 | return (await fastify.execute({ body: request.body }, 'echo')).body |
| 36 | }) |
| 37 | |
| 38 | fastify.get<{ |
| 39 | Params: { number: number } |
| 40 | }>('/api/factorial/:number', async request => { |
| 41 | const { number } = request.params |
| 42 | return (await fastify.execute({ body: { number } }, 'factorial')).body |
| 43 | }) |
| 44 | |
| 45 | await fastify.listen({ port }) |
| 46 | return { |
| 47 | status: true, |
| 48 | port: (fastify.server.address() as AddressInfo).port |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | class FastifyWorker extends ClusterWorker< |
| 53 | ClusterWorkerData, |
| 54 | ClusterWorkerResponse |
| 55 | > { |
| 56 | public constructor () { |
| 57 | super(startFastify) |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | export const fastifyWorker = new FastifyWorker() |