signal-desktop/ts/sql/mainWorker.ts
2021-07-09 17:43:36 -07:00

67 lines
1.7 KiB
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { parentPort } from 'worker_threads';
import { WrappedWorkerRequest, WrappedWorkerResponse } from './main';
import db from './Server';
if (!parentPort) {
throw new Error('Must run as a worker thread');
}
const port = parentPort;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function respond(seq: number, error: Error | undefined, response?: any) {
const wrappedResponse: WrappedWorkerResponse = {
seq,
error: error ? error.stack : undefined,
response,
};
port.postMessage(wrappedResponse);
}
port.on('message', async ({ seq, request }: WrappedWorkerRequest) => {
try {
if (request.type === 'init') {
await db.initialize(request.options);
respond(seq, undefined, undefined);
return;
}
if (request.type === 'close') {
await db.close();
respond(seq, undefined, undefined);
process.exit(0);
return;
}
if (request.type === 'removeDB') {
await db.removeDB();
respond(seq, undefined, undefined);
return;
}
if (request.type === 'sqlCall') {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const method = (db as any)[request.method];
if (typeof method !== 'function') {
throw new Error(`Invalid sql method: ${method}`);
}
const start = Date.now();
const result = await method.apply(db, request.args);
const end = Date.now();
respond(seq, undefined, { result, duration: end - start });
} else {
throw new Error('Unexpected request type');
}
} catch (error) {
respond(seq, error, undefined);
}
});