Use non-throttled timeouts for websockets
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7 changed files with 107 additions and 32 deletions
43
ts/context/Timers.ts
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43
ts/context/Timers.ts
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// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { setTimeout, clearTimeout } from 'timers';
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export type Timeout = {
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id: number;
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__signalContext: never;
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};
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export class Timers {
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private counter = 0;
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private readonly timers = new Map<number, NodeJS.Timeout>();
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public setTimeout(callback: () => void, delay: number): Timeout {
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let id: number;
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do {
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id = this.counter;
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// eslint-disable-next-line no-bitwise
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this.counter = (this.counter + 1) >>> 0;
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} while (this.timers.has(id));
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const timer = setTimeout(() => {
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this.timers.delete(id);
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callback();
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}, delay);
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this.timers.set(id, timer);
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return ({ id } as unknown) as Timeout;
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}
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public clearTimeout({ id }: Timeout): ReturnType<typeof clearTimeout> {
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const timer = this.timers.get(id);
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if (timer === undefined) {
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return;
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}
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this.timers.delete(id);
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return clearTimeout(timer);
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}
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}
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