127 lines
5.1 KiB
JavaScript
127 lines
5.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.perMessageDeflate = exports.WSServer = void 0;
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var _utils = require("../utils");
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var _utilsBundle = require("../utilsBundle");
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var _debugLogger = require("./debugLogger");
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/**
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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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let lastConnectionId = 0;
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const kConnectionSymbol = Symbol('kConnection');
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const perMessageDeflate = exports.perMessageDeflate = {
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zlibDeflateOptions: {
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level: 3
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},
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zlibInflateOptions: {
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chunkSize: 10 * 1024
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},
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threshold: 10 * 1024
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};
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class WSServer {
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constructor(delegate) {
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this._wsServer = void 0;
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this.server = void 0;
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this._delegate = void 0;
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this._delegate = delegate;
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}
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async listen(port = 0, hostname, path) {
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_debugLogger.debugLogger.log('server', `Server started at ${new Date()}`);
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const server = (0, _utils.createHttpServer)((request, response) => {
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if (request.method === 'GET' && request.url === '/json') {
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response.setHeader('Content-Type', 'application/json');
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response.end(JSON.stringify({
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wsEndpointPath: path
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}));
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return;
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}
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response.end('Running');
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});
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server.on('error', error => _debugLogger.debugLogger.log('server', String(error)));
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this.server = server;
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const wsEndpoint = await new Promise((resolve, reject) => {
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server.listen(port, hostname, () => {
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const address = server.address();
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if (!address) {
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reject(new Error('Could not bind server socket'));
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return;
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}
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const wsEndpoint = typeof address === 'string' ? `${address}${path}` : `ws://${hostname || 'localhost'}:${address.port}${path}`;
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resolve(wsEndpoint);
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}).on('error', reject);
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});
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_debugLogger.debugLogger.log('server', 'Listening at ' + wsEndpoint);
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this._wsServer = new _utilsBundle.wsServer({
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noServer: true,
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perMessageDeflate
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});
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if (this._delegate.onHeaders) this._wsServer.on('headers', headers => this._delegate.onHeaders(headers));
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server.on('upgrade', (request, socket, head) => {
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var _this$_delegate$onUpg, _this$_delegate, _this$_wsServer;
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const pathname = new URL('http://localhost' + request.url).pathname;
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if (pathname !== path) {
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socket.write(`HTTP/${request.httpVersion} 400 Bad Request\r\n\r\n`);
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socket.destroy();
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return;
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}
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const upgradeResult = (_this$_delegate$onUpg = (_this$_delegate = this._delegate).onUpgrade) === null || _this$_delegate$onUpg === void 0 ? void 0 : _this$_delegate$onUpg.call(_this$_delegate, request, socket);
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if (upgradeResult) {
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socket.write(upgradeResult.error);
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socket.destroy();
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return;
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}
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(_this$_wsServer = this._wsServer) === null || _this$_wsServer === void 0 || _this$_wsServer.handleUpgrade(request, socket, head, ws => {
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var _this$_wsServer2;
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return (_this$_wsServer2 = this._wsServer) === null || _this$_wsServer2 === void 0 ? void 0 : _this$_wsServer2.emit('connection', ws, request);
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});
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});
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this._wsServer.on('connection', (ws, request) => {
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_debugLogger.debugLogger.log('server', 'Connected client ws.extension=' + ws.extensions);
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const url = new URL('http://localhost' + (request.url || ''));
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const id = String(++lastConnectionId);
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_debugLogger.debugLogger.log('server', `[${id}] serving connection: ${request.url}`);
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const connection = this._delegate.onConnection(request, url, ws, id);
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ws[kConnectionSymbol] = connection;
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});
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return wsEndpoint;
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}
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async close() {
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var _this$_delegate$onClo, _this$_delegate2;
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const server = this._wsServer;
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if (!server) return;
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_debugLogger.debugLogger.log('server', 'closing websocket server');
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const waitForClose = new Promise(f => server.close(f));
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// First disconnect all remaining clients.
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await Promise.all(Array.from(server.clients).map(async ws => {
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const connection = ws[kConnectionSymbol];
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if (connection) await connection.close();
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try {
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ws.terminate();
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} catch (e) {}
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}));
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await waitForClose;
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_debugLogger.debugLogger.log('server', 'closing http server');
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if (this.server) await new Promise(f => this.server.close(f));
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this._wsServer = undefined;
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this.server = undefined;
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_debugLogger.debugLogger.log('server', 'closed server');
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await ((_this$_delegate$onClo = (_this$_delegate2 = this._delegate).onClose) === null || _this$_delegate$onClo === void 0 ? void 0 : _this$_delegate$onClo.call(_this$_delegate2));
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}
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}
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exports.WSServer = WSServer; |