playwright/src/grid/gridWorker.ts

50 lines
2.0 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import WebSocket from 'ws';
import debug from 'debug';
import { DispatcherConnection, Root } from '../dispatchers/dispatcher';
import { PlaywrightDispatcher } from '../dispatchers/playwrightDispatcher';
import { createPlaywright } from '../server/playwright';
import { gracefullyCloseAll } from '../utils/processLauncher';
function launchGridWorker(gridURL: string, agentId: string, workerId: string) {
const log = debug(`[worker ${workerId}]`);
log('created');
const ws = new WebSocket(gridURL + `/registerWorker?agentId=${agentId}&workerId=${workerId}`);
const dispatcherConnection = new DispatcherConnection();
dispatcherConnection.onmessage = message => ws.send(JSON.stringify(message));
ws.once('open', () => {
new Root(dispatcherConnection, async rootScope => {
const playwright = createPlaywright('javascript');
const dispatcher = new PlaywrightDispatcher(rootScope, playwright);
dispatcher.enableSocksProxy();
return dispatcher;
});
});
ws.on('message', message => dispatcherConnection.dispatch(JSON.parse(message.toString())));
ws.on('close', async () => {
// Drop any messages during shutdown on the floor.
dispatcherConnection.onmessage = () => {};
setTimeout(() => process.exit(0), 30000);
// Meanwhile, try to gracefully close all browsers.
await gracefullyCloseAll();
process.exit(0);
});
}
launchGridWorker(process.argv[2], process.argv[3], process.argv[4]);