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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.kBrowserCloseMessageId = exports.FFSession = exports.FFConnection = exports.ConnectionEvents = void 0;
- var _events = require("events");
- var _debugLogger = require("../../common/debugLogger");
- var _helper = require("../helper");
- var _protocolError = require("../protocolError");
- /**
- * Copyright 2017 Google Inc. All rights reserved.
- * Modifications 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.
- */
- const ConnectionEvents = exports.ConnectionEvents = {
- Disconnected: Symbol('Disconnected')
- };
- // FFPlaywright uses this special id to issue Browser.close command which we
- // should ignore.
- const kBrowserCloseMessageId = exports.kBrowserCloseMessageId = -9999;
- class FFConnection extends _events.EventEmitter {
- constructor(transport, protocolLogger, browserLogsCollector) {
- super();
- this._lastId = void 0;
- this._transport = void 0;
- this._protocolLogger = void 0;
- this._browserLogsCollector = void 0;
- this._browserDisconnectedLogs = void 0;
- this.rootSession = void 0;
- this._sessions = void 0;
- this._closed = void 0;
- this.setMaxListeners(0);
- this._transport = transport;
- this._protocolLogger = protocolLogger;
- this._browserLogsCollector = browserLogsCollector;
- this._lastId = 0;
- this._sessions = new Map();
- this._closed = false;
- this.rootSession = new FFSession(this, '', message => this._rawSend(message));
- this._sessions.set('', this.rootSession);
- this._transport.onmessage = this._onMessage.bind(this);
- // onclose should be set last, since it can be immediately called.
- this._transport.onclose = this._onClose.bind(this);
- }
- nextMessageId() {
- return ++this._lastId;
- }
- _rawSend(message) {
- this._protocolLogger('send', message);
- this._transport.send(message);
- }
- async _onMessage(message) {
- this._protocolLogger('receive', message);
- if (message.id === kBrowserCloseMessageId) return;
- const session = this._sessions.get(message.sessionId || '');
- if (session) session.dispatchMessage(message);
- }
- _onClose() {
- this._closed = true;
- this._transport.onmessage = undefined;
- this._transport.onclose = undefined;
- this._browserDisconnectedLogs = _helper.helper.formatBrowserLogs(this._browserLogsCollector.recentLogs());
- this.rootSession.dispose();
- Promise.resolve().then(() => this.emit(ConnectionEvents.Disconnected));
- }
- close() {
- if (!this._closed) this._transport.close();
- }
- createSession(sessionId) {
- const session = new FFSession(this, sessionId, message => this._rawSend({
- ...message,
- sessionId
- }));
- this._sessions.set(sessionId, session);
- return session;
- }
- }
- exports.FFConnection = FFConnection;
- class FFSession extends _events.EventEmitter {
- constructor(connection, sessionId, rawSend) {
- super();
- this._connection = void 0;
- this._disposed = false;
- this._callbacks = void 0;
- this._sessionId = void 0;
- this._rawSend = void 0;
- this._crashed = false;
- this.on = void 0;
- this.addListener = void 0;
- this.off = void 0;
- this.removeListener = void 0;
- this.once = void 0;
- this.setMaxListeners(0);
- this._callbacks = new Map();
- this._connection = connection;
- this._sessionId = sessionId;
- this._rawSend = rawSend;
- this.on = super.on;
- this.addListener = super.addListener;
- this.off = super.removeListener;
- this.removeListener = super.removeListener;
- this.once = super.once;
- }
- markAsCrashed() {
- this._crashed = true;
- }
- async send(method, params) {
- if (this._crashed || this._disposed || this._connection._closed || this._connection._browserDisconnectedLogs) throw new _protocolError.ProtocolError(this._crashed ? 'crashed' : 'closed', undefined, this._connection._browserDisconnectedLogs);
- const id = this._connection.nextMessageId();
- this._rawSend({
- method,
- params,
- id
- });
- return new Promise((resolve, reject) => {
- this._callbacks.set(id, {
- resolve,
- reject,
- error: new _protocolError.ProtocolError('error', method)
- });
- });
- }
- sendMayFail(method, params) {
- return this.send(method, params).catch(error => _debugLogger.debugLogger.log('error', error));
- }
- dispatchMessage(object) {
- if (object.id) {
- const callback = this._callbacks.get(object.id);
- // Callbacks could be all rejected if someone has called `.dispose()`.
- if (callback) {
- this._callbacks.delete(object.id);
- if (object.error) {
- callback.error.setMessage(object.error.message);
- callback.reject(callback.error);
- } else {
- callback.resolve(object.result);
- }
- }
- } else {
- Promise.resolve().then(() => this.emit(object.method, object.params));
- }
- }
- dispose() {
- this._disposed = true;
- this._connection._sessions.delete(this._sessionId);
- for (const callback of this._callbacks.values()) {
- callback.error.type = this._crashed ? 'crashed' : 'closed';
- callback.error.logs = this._connection._browserDisconnectedLogs;
- callback.reject(callback.error);
- }
- this._callbacks.clear();
- }
- }
- exports.FFSession = FFSession;
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