1 // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
3 import { AsyncResource
} from
'node:async_hooks';
4 import { parentPort
} from
'node:worker_threads';
6 import { ThreadWorker
} from
'poolifier';
8 import { ChargingStation
} from
'./ChargingStation';
9 import type { ChargingStationWorkerData
} from
'../types';
10 import { Configuration
} from
'../utils';
11 import { POOL_MAX_INACTIVE_TIME
, type WorkerMessage
, WorkerMessageEvents
} from
'../worker';
13 const moduleName
= 'ChargingStationWorker';
16 * Creates and starts a charging station instance
18 * @param data - workerData
20 const startChargingStation
= (data
?: ChargingStationWorkerData
): void => {
21 new ChargingStation(data
!.index
, data
!.templateFile
).start();
24 class ChargingStationWorker
extends AsyncResource
{
27 // Add message listener to create and start charging station from the main thread
28 parentPort
?.on('message', (message
: WorkerMessage
<ChargingStationWorkerData
>) => {
29 switch (message
.event
) {
30 case WorkerMessageEvents
.startWorkerElement
:
33 startChargingStation
.bind(this) as (data
?: ChargingStationWorkerData
) => void,
37 parentPort
?.postMessage({
38 event
: WorkerMessageEvents
.startedWorkerElement
,
41 parentPort
?.postMessage({
42 event
: WorkerMessageEvents
.startWorkerElementError
,
44 message
: (error
as Error).message
,
45 stack
: (error
as Error).stack
,
52 `Unknown worker event: '${message.event}' received with data: '${JSON.stringify(
63 export let chargingStationWorker
: ChargingStationWorker
| ThreadWorker
<ChargingStationWorkerData
>;
64 if (Configuration
.workerPoolInUse()) {
65 chargingStationWorker
= new ThreadWorker
<ChargingStationWorkerData
>(startChargingStation
, {
66 maxInactiveTime
: POOL_MAX_INACTIVE_TIME
,
69 chargingStationWorker
= new ChargingStationWorker();