90 lines
2.1 KiB
TypeScript
90 lines
2.1 KiB
TypeScript
import cluster from "node:cluster";
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import chalk from "chalk";
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import Xev from "xev";
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import Logger from "@/services/logger.js";
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import { envOption } from "../env.js";
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// for typeorm
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import "reflect-metadata";
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import { masterMain } from "./master.js";
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import { workerMain } from "./worker.js";
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import os from "node:os";
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const logger = new Logger("core", "cyan");
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const clusterLogger = logger.createSubLogger("cluster", "orange", false);
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const ev = new Xev();
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/**
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* Init process
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*/
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export default async function () {
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process.title = `Calckey (${cluster.isPrimary ? "master" : "worker"})`;
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if (cluster.isPrimary || envOption.disableClustering) {
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await masterMain();
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if (cluster.isPrimary) {
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ev.mount();
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}
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}
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if (cluster.isWorker || envOption.disableClustering) {
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await workerMain();
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}
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if (cluster.isPrimary) {
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// Leave the master process with a marginally lower priority but not too low.
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os.setPriority(2);
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}
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if (cluster.isWorker) {
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// Set workers to a much lower priority so that the master process will be
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// able to respond to api calls even if the workers gank everything.
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os.setPriority(10);
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}
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// For when Calckey is started in a child process during unit testing.
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// Otherwise, process.send cannot be used, so start it.
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if (process.send) {
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process.send("ok");
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}
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}
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//#region Events
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// Listen new workers
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cluster.on("fork", (worker) => {
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clusterLogger.debug(`Process forked: [${worker.id}]`);
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});
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// Listen online workers
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cluster.on("online", (worker) => {
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clusterLogger.debug(`Process is now online: [${worker.id}]`);
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});
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// Listen for dying workers
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cluster.on("exit", (worker) => {
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// Replace the dead worker,
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// we're not sentimental
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clusterLogger.error(chalk.red(`[${worker.id}] died :(`));
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cluster.fork();
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});
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// Display detail of unhandled promise rejection
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if (!envOption.quiet) {
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process.on("unhandledRejection", console.dir);
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}
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// Display detail of uncaught exception
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process.on("uncaughtException", (err) => {
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try {
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logger.error(err);
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} catch {}
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});
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// Dying away...
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process.on("exit", (code) => {
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logger.info(`The process is going to exit with code ${code}`);
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});
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//#endregion
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