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feat(WebSocketShard): heartbeat jitter (#9223)

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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
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DD
2023-03-12 21:24:35 +02:00
committed by GitHub
parent 646b6ead7e
commit 6ecff26ec6
1 changed files with 8 additions and 1 deletions
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9
packages/ws/src/ws/WebSocketShard.ts
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@@ -567,7 +567,14 @@ export class WebSocketShard extends AsyncEventEmitter<WebSocketShardEventsMap> {
case GatewayOpcodes.Hello: {
this.emit(WebSocketShardEvents.Hello);
this.debug([`Starting to heartbeat every ${payload.d.heartbeat_interval}ms`]);
const jitter = Math.random();
const firstWait = Math.floor(payload.d.heartbeat_interval * jitter);
this.debug([`Preparing first heartbeat of the connection with a jitter of ${jitter}; waiting ${firstWait}ms`]);
await sleep(firstWait);
await this.heartbeat();
this.debug([`First heartbeat sent, starting to beat every ${payload.d.heartbeat_interval}ms`]);
this.heartbeatInterval = setInterval(() => void this.heartbeat(), payload.d.heartbeat_interval);
break;
}