Use non-throttled timeouts for websockets

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Fedor Indutny 2021-10-07 11:18:22 -07:00 committed by GitHub
parent 8cf6748dce
commit 27573e6dce
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7 changed files with 107 additions and 32 deletions

43
ts/context/Timers.ts Normal file
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// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { setTimeout, clearTimeout } from 'timers';
export type Timeout = {
id: number;
__signalContext: never;
};
export class Timers {
private counter = 0;
private readonly timers = new Map<number, NodeJS.Timeout>();
public setTimeout(callback: () => void, delay: number): Timeout {
let id: number;
do {
id = this.counter;
// eslint-disable-next-line no-bitwise
this.counter = (this.counter + 1) >>> 0;
} while (this.timers.has(id));
const timer = setTimeout(() => {
this.timers.delete(id);
callback();
}, delay);
this.timers.set(id, timer);
return ({ id } as unknown) as Timeout;
}
public clearTimeout({ id }: Timeout): ReturnType<typeof clearTimeout> {
const timer = this.timers.get(id);
if (timer === undefined) {
return;
}
this.timers.delete(id);
return clearTimeout(timer);
}
}