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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.kBrowserCloseMessageId = exports.FFSessionEvents = exports.FFSession = exports.FFConnection = exports.ConnectionEvents = void 0;
var _events = require("events");
var _utils = require("../../utils");
var _stackTrace = require("../../utils/stackTrace");
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 = {
Disconnected: Symbol('Disconnected')
};
// FFPlaywright uses this special id to issue Browser.close command which we
// should ignore.
exports.ConnectionEvents = ConnectionEvents;
const kBrowserCloseMessageId = -9999;
exports.kBrowserCloseMessageId = kBrowserCloseMessageId;
class FFConnection extends _events.EventEmitter {
constructor(transport, protocolLogger, browserLogsCollector) {
super();
this._lastId = void 0;
this._callbacks = void 0;
this._transport = void 0;
this._protocolLogger = void 0;
this._browserLogsCollector = void 0;
this._sessions = void 0;
this._closed = void 0;
this.on = void 0;
this.addListener = void 0;
this.off = void 0;
this.removeListener = void 0;
this.once = void 0;
this.setMaxListeners(0);
this._transport = transport;
this._protocolLogger = protocolLogger;
this._browserLogsCollector = browserLogsCollector;
this._lastId = 0;
this._callbacks = new Map();
this._sessions = new Map();
this._closed = false;
this.on = super.on;
this.addListener = super.addListener;
this.off = super.removeListener;
this.removeListener = super.removeListener;
this.once = super.once;
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);
}
async send(method, params) {
this._checkClosed(method);
const id = this.nextMessageId();
this._rawSend({
id,
method,
params
});
return new Promise((resolve, reject) => {
this._callbacks.set(id, {
resolve,
reject,
error: new _protocolError.ProtocolError(false),
method
});
});
}
nextMessageId() {
return ++this._lastId;
}
_checkClosed(method) {
if (this._closed) throw new _protocolError.ProtocolError(true, `${method}): Browser closed.` + _helper.helper.formatBrowserLogs(this._browserLogsCollector.recentLogs()));
}
_rawSend(message) {
this._protocolLogger('send', message);
this._transport.send(message);
}
async _onMessage(message) {
this._protocolLogger('receive', message);
if (message.id === kBrowserCloseMessageId) return;
if (message.sessionId) {
const session = this._sessions.get(message.sessionId);
if (session) session.dispatchMessage(message);
} else if (message.id) {
const callback = this._callbacks.get(message.id);
// Callbacks could be all rejected if someone has called `.dispose()`.
if (callback) {
this._callbacks.delete(message.id);
if (message.error) callback.reject(createProtocolError(callback.error, callback.method, message.error));else callback.resolve(message.result);
}
} else {
Promise.resolve().then(() => this.emit(message.method, message.params));
}
}
_onClose() {
this._closed = true;
this._transport.onmessage = undefined;
this._transport.onclose = undefined;
const formattedBrowserLogs = _helper.helper.formatBrowserLogs(this._browserLogsCollector.recentLogs());
for (const session of this._sessions.values()) session.dispose();
this._sessions.clear();
for (const callback of this._callbacks.values()) {
const error = (0, _stackTrace.rewriteErrorMessage)(callback.error, `Protocol error (${callback.method}): Browser closed.` + formattedBrowserLogs);
error.sessionClosed = true;
callback.reject(error);
}
this._callbacks.clear();
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;
const FFSessionEvents = {
Disconnected: Symbol('Disconnected')
};
exports.FFSessionEvents = FFSessionEvents;
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) throw new _protocolError.ProtocolError(true, 'Target crashed');
this._connection._checkClosed(method);
if (this._disposed) throw new _protocolError.ProtocolError(true, 'Target closed');
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(false),
method
});
});
}
sendMayFail(method, params) {
return this.send(method, params).catch(error => _debugLogger.debugLogger.log('error', error));
}
dispatchMessage(object) {
if (object.id && this._callbacks.has(object.id)) {
const callback = this._callbacks.get(object.id);
this._callbacks.delete(object.id);
if (object.error) callback.reject(createProtocolError(callback.error, callback.method, object.error));else callback.resolve(object.result);
} else {
(0, _utils.assert)(!object.id);
Promise.resolve().then(() => this.emit(object.method, object.params));
}
}
dispose() {
for (const callback of this._callbacks.values()) {
callback.error.sessionClosed = true;
callback.reject((0, _stackTrace.rewriteErrorMessage)(callback.error, 'Target closed'));
}
this._callbacks.clear();
this._disposed = true;
this._connection._sessions.delete(this._sessionId);
Promise.resolve().then(() => this.emit(FFSessionEvents.Disconnected));
}
}
exports.FFSession = FFSession;
function createProtocolError(error, method, protocolError) {
let message = `Protocol error (${method}): ${protocolError.message}`;
if ('data' in protocolError) message += ` ${protocolError.data}`;
return (0, _stackTrace.rewriteErrorMessage)(error, message);
}