Files
qinglong/back/data/databaseProcess.ts
T
whyour 15d54866a8 feat: migrate SQLite runtime and verify complete upgrade bundles
Use MikroORM's official Node SQLite dialect with bounded database isolation, preserve legacy schema and data for rollback, and require Node 22.17 or newer. Update Debian runtimes and retain ARMv6 musl compatibility without a SQLite addon.

Complete short archive writes, stop orphaned SQL workers after owner death, preserve buffered startup requests, and prestart the archived backend on every platform. Cover real package installation, migration, failure recovery, and legacy database compatibility.

Keep authentication storage failures distinct from expired sessions with a pinned Keyv runtime, propagated cache errors, and retryable HTTP 503 responses. Preserve genuine 401 failures and verify legacy cache bytes, initialization safety, and session recovery.
2026-10-22 13:47:26 +08:00

62 lines
2.4 KiB
TypeScript

import { databaseStartupFailure } from './databaseErrors';
import { Worker } from 'worker_threads';
// IPC disconnect cannot run while DatabaseSync is executing SQL. Start this
// independent, allocation-light monitor before opening SQLite so a SIGKILLed
// backend cannot leave an orphan holding the old service's database write lock.
async function monitorOwner(ownerPid: number) {
if (!Number.isSafeInteger(ownerPid) || ownerPid < 1)
throw new Error('Invalid database owner');
const monitor = new Worker(
`
const {parentPort,workerData}=require('node:worker_threads');
process.on('uncaughtException',()=>process.kill(process.pid,'SIGKILL'));
const check=()=>{
if(process.ppid!==workerData.ownerPid)process.kill(process.pid,'SIGKILL');
};
check();
setInterval(check,500);
parentPort.postMessage('ready');
`,
{
eval: true,
workerData: { ownerPid },
// V8's process-wide --jitless remains active on ARMv6. Do not load the
// source worker's ts-node compiler into this tiny, plain-JavaScript monitor.
execArgv: [],
resourceLimits: {
maxOldGenerationSizeMb: 8,
maxYoungGenerationSizeMb: 2,
stackSizeMb: 1,
},
},
);
monitor.once('exit', () => process.exit(1));
await new Promise<void>((resolve, reject) => {
monitor.once('message', () => resolve());
monitor.once('error', reject);
});
monitor.unref();
}
// The bootstrap catches dependency import errors before the ORM module loads.
// The advanced IPC serializer preserves Date, Buffer and undefined values.
process.once('disconnect', () => process.exit(1));
process.once('message', async (settings) => {
const pending: unknown[] = [];
const buffer = (request: unknown) => pending.push(request);
// Keep a listener throughout asynchronous monitor startup. Node may flush
// several buffered IPC messages while delivering the initial settings.
process.on('message', buffer);
try {
await monitorOwner((settings as { ownerPid: number }).ownerPid);
require('./databaseWorker').startDatabaseWorker(settings);
process.removeListener('message', buffer);
for (const request of pending) process.emit('message', request, undefined);
} catch (error) {
process.send?.({ type: 'fatal', error: databaseStartupFailure(error) });
} finally {
process.removeListener('message', buffer);
}
});