1 import { ClusterWorker
} from
'poolifier'
2 import { type RawData
, WebSocketServer
} from
'ws'
11 class WebSocketServerWorker
extends ClusterWorker
<WorkerData
, WorkerResponse
> {
12 private static wss
: WebSocketServer
14 private static readonly factorial
= (n
: number): number => {
18 return WebSocketServerWorker
.factorial(n
- 1) * n
21 private static readonly startWebSocketServer
= (
22 workerData
?: WorkerData
23 ): WorkerResponse
=> {
24 const { port
} = workerData
as WorkerData
26 WebSocketServerWorker
.wss
= new WebSocketServer({ port
}, () => {
28 `⚡️[ws server]: WebSocket server is started in cluster worker at ws://localhost:${port}/`
32 WebSocketServerWorker
.wss
.on('connection', ws
=> {
33 ws
.on('error', console
.error
)
34 ws
.on('message', (message
: RawData
) => {
35 const { type, data
} = JSON
.parse(
36 // eslint-disable-next-line @typescript-eslint/no-base-to-string
38 ) as MessagePayload
<DataPayload
>
40 case MessageType
.echo
:
43 type: MessageType
.echo
,
48 case MessageType
.factorial
:
51 type: MessageType
.factorial
,
53 number: WebSocketServerWorker
.factorial(data
.number as number)
63 port
: WebSocketServerWorker
.wss
.options
.port
67 public constructor () {
68 super(WebSocketServerWorker
.startWebSocketServer
, {
70 WebSocketServerWorker
.wss
.close()
76 export const webSocketServerWorker
= new WebSocketServerWorker()