69 lines
2 KiB
TypeScript
69 lines
2 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { ChildProcess } from 'child_process';
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import { EventEmitter } from 'events';
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import { WebSocketServer } from './webSocketServer';
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export class BrowserServer extends EventEmitter {
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private _process: ChildProcess;
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private _gracefullyClose: () => Promise<void>;
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private _kill: () => Promise<void>;
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_webSocketServer: WebSocketServer | null = null;
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constructor(process: ChildProcess, gracefullyClose: () => Promise<void>, kill: () => Promise<void>) {
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super();
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this._process = process;
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this._gracefullyClose = gracefullyClose;
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this._kill = kill;
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}
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process(): ChildProcess {
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return this._process;
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}
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wsEndpoint(): string {
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return this._webSocketServer ? this._webSocketServer.wsEndpoint : '';
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}
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async kill(): Promise<void> {
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await this._kill();
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}
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async close(): Promise<void> {
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await this._gracefullyClose();
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}
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async _checkLeaks(): Promise<void> {
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if (this._webSocketServer)
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await this._webSocketServer.checkLeaks();
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}
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async _closeOrKill(timeout: number): Promise<void> {
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let timer: NodeJS.Timer;
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try {
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await Promise.race([
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this.close(),
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new Promise((resolve, reject) => timer = setTimeout(reject, timeout)),
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]);
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} catch (ignored) {
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await this.kill().catch(ignored => {}); // Make sure to await actual process exit.
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} finally {
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clearTimeout(timer!);
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}
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}
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}
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