/********************************************************************************
 * Copyright (C) 2019 Red Hat, Inc. and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/ import * as mac from 'macaddress' ; import { EnvExtImpl } from '../env' ; import { RPCProtocol } from '../../common/rpc-protocol' ; import { createHash } from 'crypto' ; import { v4 } from 'uuid' ; /**
 * Provides machineId using mac address. It's only possible on node side
 * Extending the common class
 */ export class EnvNodeExtImpl extends EnvExtImpl { private macMachineId : string ; constructor ( rpc ) { super ( rpc ) ; mac . one ( ( err , macAddress ) => { if ( err ) { this . macMachineId = v4 ( ) ; } else { this . macMachineId = createHash ( 'sha256' ) . update ( macAddress , 'utf8' ) . digest ( 'hex' ) ; } } ) ; } /**
     * override machineID
     */ get machineId ( ) : string { return this . macMachineId ; } /**
     * Provides application root.
     */ get appRoot ( ) : string { return __dirname ; } }