| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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. |
| */ |
| |
| package com.baidu.hugegraph.license; |
| |
| import java.net.InetAddress; |
| import java.net.NetworkInterface; |
| import java.net.SocketException; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| public class MachineInfo { |
| |
| private List<String> ipAddressList; |
| private List<String> macAddressList; |
| |
| public MachineInfo() { |
| this.ipAddressList = null; |
| this.macAddressList = null; |
| } |
| |
| public List<String> getIpAddress() { |
| if (this.ipAddressList != null) { |
| return this.ipAddressList; |
| } |
| this.ipAddressList = new ArrayList<>(); |
| List<InetAddress> inetAddresses = this.getLocalAllInetAddress(); |
| if (inetAddresses != null && !inetAddresses.isEmpty()) { |
| this.ipAddressList = inetAddresses.stream() |
| .map(InetAddress::getHostAddress) |
| .distinct() |
| .map(String::toLowerCase) |
| .collect(Collectors.toList()); |
| } |
| return this.ipAddressList; |
| } |
| |
| public List<String> getMacAddress() { |
| if (this.macAddressList != null) { |
| return this.macAddressList; |
| } |
| this.macAddressList = new ArrayList<>(); |
| List<InetAddress> inetAddresses = this.getLocalAllInetAddress(); |
| if (inetAddresses != null && !inetAddresses.isEmpty()) { |
| // Get the Mac address of all network interfaces |
| List<String> list = new ArrayList<>(); |
| Set<String> uniqueValues = new HashSet<>(); |
| for (InetAddress inetAddress : inetAddresses) { |
| String macByInetAddress = this.getMacByInetAddress(inetAddress); |
| if (uniqueValues.add(macByInetAddress)) { |
| list.add(macByInetAddress); |
| } |
| } |
| this.macAddressList = list; |
| } |
| return this.macAddressList; |
| } |
| |
| public List<InetAddress> getLocalAllInetAddress() { |
| Enumeration<NetworkInterface> interfaces; |
| try { |
| interfaces = NetworkInterface.getNetworkInterfaces(); |
| } catch (SocketException e) { |
| throw new RuntimeException("Failed to get network interfaces"); |
| } |
| |
| List<InetAddress> result = new ArrayList<>(); |
| while (interfaces.hasMoreElements()) { |
| NetworkInterface nw = interfaces.nextElement(); |
| for (Enumeration<InetAddress> inetAddresses = nw.getInetAddresses(); |
| inetAddresses.hasMoreElements(); ) { |
| InetAddress inetAddr = inetAddresses.nextElement(); |
| if (!inetAddr.isLoopbackAddress() && |
| !inetAddr.isLinkLocalAddress() && |
| !inetAddr.isMulticastAddress()) { |
| result.add(inetAddr); |
| } |
| } |
| } |
| return result; |
| } |
| |
| public String getMacByInetAddress(InetAddress inetAddr) { |
| byte[] mac; |
| try { |
| mac = NetworkInterface.getByInetAddress(inetAddr) |
| .getHardwareAddress(); |
| } catch (Exception e) { |
| throw new RuntimeException(String.format( |
| "Failed to get mac address for inet address '%s'", |
| inetAddr)); |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < mac.length; i++) { |
| if (i != 0) { |
| sb.append("-"); |
| } |
| String temp = Integer.toHexString(mac[i] & 0xff); |
| if (temp.length() == 1) { |
| sb.append("0").append(temp); |
| } else { |
| sb.append(temp); |
| } |
| } |
| return sb.toString().toUpperCase(); |
| } |
| } |