| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| 'use strict'; |
| |
| const _ = require('lodash'); |
| |
| // Fire me up! |
| |
| /** |
| * Module interaction with agents. |
| */ |
| module.exports = { |
| implements: 'agent-socket' |
| }; |
| |
| /** |
| * @returns {AgentSocket} |
| */ |
| module.exports.factory = function() { |
| /** |
| * Connected agent descriptor. |
| */ |
| class AgentSocket { |
| /** |
| * @param {Socket} socket Socket for interaction. |
| * @param {Object} accounts Active accounts. |
| * @param {Array.<String>} tokens Agent tokens. |
| * @param {String} demoEnabled Demo enabled. |
| */ |
| constructor(socket, accounts, tokens, demoEnabled) { |
| Object.assign(this, { |
| accounts, |
| cluster: null, |
| demo: { |
| enabled: demoEnabled, |
| browserSockets: [] |
| }, |
| socket, |
| tokens |
| }); |
| } |
| |
| resetToken(oldToken) { |
| _.pull(this.tokens, oldToken); |
| |
| this.emitEvent('agent:reset:token', oldToken) |
| .then(() => { |
| if (_.isEmpty(this.tokens) && this.socket.connected) |
| this.socket.close(); |
| }); |
| } |
| |
| /** |
| * Send event to agent. |
| * |
| * @this {AgentSocket} |
| * @param {String} event Event name. |
| * @param {Array.<Object>} args - Transmitted arguments. |
| * @param {Function} [callback] on finish |
| */ |
| _emit(event, args, callback) { |
| if (!this.socket.connected) { |
| if (callback) |
| callback('org.apache.ignite.agent.AgentException: Connection is closed'); |
| |
| return; |
| } |
| |
| this.socket.emit(event, ...args, callback); |
| } |
| |
| /** |
| * Send event to agent. |
| * |
| * @param {String} event - Event name. |
| * @param {Object?} args - Transmitted arguments. |
| * @returns {Promise} |
| */ |
| emitEvent(event, ...args) { |
| return new Promise((resolve, reject) => |
| this._emit(event, args, (resErr, res) => { |
| if (resErr) |
| return reject(resErr); |
| |
| resolve(res); |
| }) |
| ); |
| } |
| |
| restResultParse(res) { |
| if (res.status === 0) |
| return JSON.parse(res.data); |
| |
| if (res.status === 2) |
| throw new Error('AgentSocket failed to authenticate in grid. Please check agent\'s login and password or node port.'); |
| |
| throw new Error(res.error); |
| } |
| |
| /** |
| * @param {Socket} browserSocket |
| */ |
| attachToDemoCluster(browserSocket) { |
| this.demo.browserSockets.push(...browserSocket); |
| } |
| } |
| |
| return AgentSocket; |
| }; |