rudeshark.net/packages/backend/src/queue/initialize.ts
ThatOneCalculator 6b00abf05c
refactor: 🎨 rome
2023-01-12 20:40:33 -08:00

38 lines
1004 B
TypeScript

import Bull from "bull";
import config from "@/config/index.js";
export function initialize<T>(name: string, limitPerSec = -1) {
return new Bull<T>(name, {
redis: {
port: config.redis.port,
host: config.redis.host,
family: config.redis.family == null ? 0 : config.redis.family,
password: config.redis.pass,
db: config.redis.db || 0,
},
prefix: config.redis.prefix ? `${config.redis.prefix}:queue` : "queue",
limiter:
limitPerSec > 0
? {
max: limitPerSec,
duration: 1000,
}
: undefined,
settings: {
backoffStrategies: {
apBackoff,
},
},
});
}
// ref. https://github.com/misskey-dev/misskey/pull/7635#issue-971097019
function apBackoff(attemptsMade: number, err: Error) {
const baseDelay = 60 * 1000; // 1min
const maxBackoff = 8 * 60 * 60 * 1000; // 8hours
let backoff = (Math.pow(2, attemptsMade) - 1) * baseDelay;
backoff = Math.min(backoff, maxBackoff);
backoff += Math.round(backoff * Math.random() * 0.2);
return backoff;
}