signal-desktop/ts/sql/mainWorker.ts
2022-11-22 10:43:43 -08:00

110 lines
2.5 KiB
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { parentPort } from 'worker_threads';
import type { LoggerType } from '../types/Logging';
import * as Errors from '../types/errors';
import type {
WrappedWorkerRequest,
WrappedWorkerResponse,
WrappedWorkerLogEntry,
} 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 = {
type: 'response',
seq,
error: error === undefined ? undefined : Errors.toLogFormat(error),
response,
};
port.postMessage(wrappedResponse);
}
const log = (
level: WrappedWorkerLogEntry['level'],
args: Array<unknown>
): void => {
const wrappedResponse: WrappedWorkerResponse = {
type: 'log',
level,
args,
};
port.postMessage(wrappedResponse);
};
const logger: LoggerType = {
fatal(...args: Array<unknown>) {
log('fatal', args);
},
error(...args: Array<unknown>) {
log('error', args);
},
warn(...args: Array<unknown>) {
log('warn', args);
},
info(...args: Array<unknown>) {
log('info', args);
},
debug(...args: Array<unknown>) {
log('debug', args);
},
trace(...args: Array<unknown>) {
log('trace', args);
},
};
port.on('message', async ({ seq, request }: WrappedWorkerRequest) => {
try {
if (request.type === 'init') {
await db.initialize({
...request.options,
logger,
});
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);
}
});