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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.kBrowserCloseMessageId = exports.ConnectionEvents = exports.CRSession = exports.CRConnection = exports.CDPSession = void 0;
- var _utils = require("../../utils");
- 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('ConnectionEvents.Disconnected')
- };
- // CRPlaywright uses this special id to issue Browser.close command which we
- // should ignore.
- const kBrowserCloseMessageId = exports.kBrowserCloseMessageId = -9999;
- class CRConnection extends _events.EventEmitter {
- constructor(transport, protocolLogger, browserLogsCollector) {
- super();
- this._lastId = 0;
- this._transport = void 0;
- this._sessions = new Map();
- this._protocolLogger = void 0;
- this._browserLogsCollector = void 0;
- this._browserDisconnectedLogs = void 0;
- this.rootSession = void 0;
- this._closed = false;
- this.setMaxListeners(0);
- this._transport = transport;
- this._protocolLogger = protocolLogger;
- this._browserLogsCollector = browserLogsCollector;
- this.rootSession = new CRSession(this, null, '');
- 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);
- }
- _rawSend(sessionId, method, params) {
- const id = ++this._lastId;
- const message = {
- id,
- method,
- params
- };
- if (sessionId) message.sessionId = sessionId;
- this._protocolLogger('send', message);
- this._transport.send(message);
- return id;
- }
- async _onMessage(message) {
- this._protocolLogger('receive', message);
- if (message.id === kBrowserCloseMessageId) return;
- const session = this._sessions.get(message.sessionId || '');
- if (session) session._onMessage(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();
- }
- async createBrowserSession() {
- const {
- sessionId
- } = await this.rootSession.send('Target.attachToBrowserTarget');
- return new CDPSession(this.rootSession, sessionId);
- }
- }
- exports.CRConnection = CRConnection;
- class CRSession extends _events.EventEmitter {
- constructor(connection, parentSession, sessionId, eventListener) {
- super();
- this._connection = void 0;
- this._eventListener = void 0;
- this._callbacks = new Map();
- this._sessionId = void 0;
- this._parentSession = void 0;
- this._crashed = false;
- this._closed = 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._connection = connection;
- this._parentSession = parentSession;
- this._sessionId = sessionId;
- this._eventListener = eventListener;
- this.on = super.on;
- this.addListener = super.addListener;
- this.off = super.removeListener;
- this.removeListener = super.removeListener;
- this.once = super.once;
- }
- _markAsCrashed() {
- this._crashed = true;
- }
- createChildSession(sessionId, eventListener) {
- const session = new CRSession(this._connection, this, sessionId, eventListener);
- this._connection._sessions.set(sessionId, session);
- return session;
- }
- async send(method, params) {
- if (this._crashed || this._closed || this._connection._closed || this._connection._browserDisconnectedLogs) throw new _protocolError.ProtocolError(this._crashed ? 'crashed' : 'closed', undefined, this._connection._browserDisconnectedLogs);
- const id = this._connection._rawSend(this._sessionId, method, params);
- 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));
- }
- _onMessage(object) {
- var _object$error;
- if (object.id && this._callbacks.has(object.id)) {
- const callback = this._callbacks.get(object.id);
- this._callbacks.delete(object.id);
- if (object.error) {
- callback.error.setMessage(object.error.message);
- callback.reject(callback.error);
- } else {
- callback.resolve(object.result);
- }
- } else if (object.id && ((_object$error = object.error) === null || _object$error === void 0 ? void 0 : _object$error.code) === -32001) {
- // Message to a closed session, just ignore it.
- } else {
- var _object$error2;
- (0, _utils.assert)(!object.id, (object === null || object === void 0 ? void 0 : (_object$error2 = object.error) === null || _object$error2 === void 0 ? void 0 : _object$error2.message) || undefined);
- Promise.resolve().then(() => {
- if (this._eventListener) this._eventListener(object.method, object.params);
- this.emit(object.method, object.params);
- });
- }
- }
- async detach() {
- if (this._closed) throw new Error(`Session already detached. Most likely the page has been closed.`);
- if (!this._parentSession) throw new Error('Root session cannot be closed');
- // Ideally, detaching should resume any target, but there is a bug in the backend,
- // so we must Runtime.runIfWaitingForDebugger first.
- await this._sendMayFail('Runtime.runIfWaitingForDebugger');
- await this._parentSession.send('Target.detachFromTarget', {
- sessionId: this._sessionId
- });
- this.dispose();
- }
- dispose() {
- this._closed = true;
- this._connection._sessions.delete(this._sessionId);
- for (const callback of this._callbacks.values()) {
- callback.error.setMessage(`Internal server error, session closed.`);
- callback.error.type = this._crashed ? 'crashed' : 'closed';
- callback.error.logs = this._connection._browserDisconnectedLogs;
- callback.reject(callback.error);
- }
- this._callbacks.clear();
- }
- }
- exports.CRSession = CRSession;
- class CDPSession extends _events.EventEmitter {
- constructor(parentSession, sessionId) {
- super();
- this.guid = void 0;
- this._session = void 0;
- this._listeners = [];
- this.guid = `cdp-session@${sessionId}`;
- this._session = parentSession.createChildSession(sessionId, (method, params) => this.emit(CDPSession.Events.Event, {
- method,
- params
- }));
- this._listeners = [_utils.eventsHelper.addEventListener(parentSession, 'Target.detachedFromTarget', event => {
- if (event.sessionId === sessionId) this._onClose();
- })];
- }
- async send(method, params) {
- return await this._session.send(method, params);
- }
- async detach() {
- return await this._session.detach();
- }
- async attachToTarget(targetId) {
- const {
- sessionId
- } = await this.send('Target.attachToTarget', {
- targetId,
- flatten: true
- });
- return new CDPSession(this._session, sessionId);
- }
- _onClose() {
- _utils.eventsHelper.removeEventListeners(this._listeners);
- this._session.dispose();
- this.emit(CDPSession.Events.Closed);
- }
- }
- exports.CDPSession = CDPSession;
- CDPSession.Events = {
- Event: 'event',
- Closed: 'close'
- };
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