Commit | Line | Data |
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38b2428f | 1 | import type { EventEmitterAsyncResource } from 'node:events'; |
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2 | |
3 | import { DynamicThreadPool, type PoolInfo } from 'poolifier'; | |
8114d10e | 4 | |
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5 | import { WorkerAbstract } from './WorkerAbstract'; |
6 | import type { WorkerData, WorkerOptions } from './WorkerTypes'; | |
ab93b184 | 7 | import { randomizeDelay, sleep } from './WorkerUtils'; |
a4624c96 | 8 | |
268a74bb | 9 | export class WorkerDynamicPool extends WorkerAbstract<WorkerData> { |
f2bf9948 | 10 | private readonly pool: DynamicThreadPool<WorkerData>; |
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11 | |
12 | /** | |
361c98f5 | 13 | * Creates a new `WorkerDynamicPool`. |
a4624c96 | 14 | * |
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15 | * @param workerScript - |
16 | * @param workerOptions - | |
a4624c96 | 17 | */ |
4a3807d1 | 18 | constructor(workerScript: string, workerOptions: WorkerOptions) { |
4d7227e6 | 19 | super(workerScript, workerOptions); |
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20 | this.pool = new DynamicThreadPool<WorkerData>( |
21 | this.workerOptions.poolMinSize, | |
22 | this.workerOptions.poolMaxSize, | |
23 | this.workerScript, | |
5edd8ba0 | 24 | this.workerOptions.poolOptions, |
e7aeea18 | 25 | ); |
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26 | } |
27 | ||
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28 | get info(): PoolInfo { |
29 | return this.pool.info; | |
30 | } | |
31 | ||
a4624c96 | 32 | get size(): number { |
b779c0f8 | 33 | return this.pool.info.workerNodes; |
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34 | } |
35 | ||
72092cfc JB |
36 | get maxElementsPerWorker(): number | undefined { |
37 | return undefined; | |
a4624c96 JB |
38 | } |
39 | ||
38b2428f JB |
40 | get emitter(): EventEmitterAsyncResource | undefined { |
41 | return this.pool?.emitter; | |
962a8159 JB |
42 | } |
43 | ||
8baf3f8f | 44 | /** @inheritDoc */ |
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45 | public async start(): Promise<void> { |
46 | // This is intentional | |
47 | } | |
a4624c96 | 48 | |
8baf3f8f | 49 | /** @inheritDoc */ |
ded13d97 JB |
50 | public async stop(): Promise<void> { |
51 | return this.pool.destroy(); | |
52 | } | |
53 | ||
8baf3f8f | 54 | /** @inheritDoc */ |
c3ee95af | 55 | public async addElement(elementData: WorkerData): Promise<void> { |
a4624c96 | 56 | await this.pool.execute(elementData); |
4bfd80fa | 57 | // Start element sequentially to optimize memory at startup |
e1d9a0f4 | 58 | this.workerOptions.elementStartDelay! > 0 && |
ab93b184 | 59 | (await sleep(randomizeDelay(this.workerOptions.elementStartDelay!))); |
a4624c96 JB |
60 | } |
61 | } |