mdsalutil/mdsalutil-api/src/main/java/org/opendaylight/vpnservice/mdsalutil/NWUtil.java

   1 /*
   2  * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.vpnservice.mdsalutil;
   9
  10 import java.net.InetAddress;
  11
  12 import com.google.common.primitives.UnsignedBytes;
  13
  14 public class NWUtil {
  15
  16     public static  long convertInetAddressToLong(InetAddress address) {
  17         byte[] ipAddressRaw = address.getAddress();
  18         return (((ipAddressRaw[0] & 0xFF) << (3 * 8))
  19                 + ((ipAddressRaw[1] & 0xFF) << (2 * 8))
  20                 + ((ipAddressRaw[2] & 0xFF) << (1 * 8))
  21                 + (ipAddressRaw[3] & 0xFF))
  22                 & 0xffffffffL;
  23     }
  24
  25     public static byte[] parseIpAddress(String ipAddress) {
  26         byte cur;
  27
  28         String[] addressPart = ipAddress.split(".");
  29         int size = addressPart.length;
  30
  31         byte[] part = new byte[size];
  32         for (int i = 0; i < size; i++) {
  33             cur = UnsignedBytes.parseUnsignedByte(addressPart[i], 16);
  34             part[i] = cur;
  35         }
  36
  37         return part;
  38     }
  39
  40     public static byte[] parseMacAddress(String macAddress) {
  41         byte cur;
  42
  43         String[] addressPart = macAddress.split(":");
  44         int size = addressPart.length;
  45
  46         byte[] part = new byte[size];
  47         for (int i = 0; i < size; i++) {
  48             cur = UnsignedBytes.parseUnsignedByte(addressPart[i], 16);
  49             part[i] = cur;
  50         }
  51
  52         return part;
  53     }
  54
  55     public static String toStringIpAddress(byte[] ipAddress)
  56     {
  57         if (ipAddress == null) {
  58             return "";
  59         }
  60
  61         StringBuilder sb = new StringBuilder(18);
  62
  63         for (int i = 0; i < ipAddress.length; i++) {
  64             sb.append(UnsignedBytes.toString(ipAddress[i], 10));
  65             sb.append(".");
  66         }
  67
  68         sb.setLength(17);
  69         return sb.toString();
  70     }
  71
  72     public static String toStringMacAddress(byte[] macAddress)
  73     {
  74         if (macAddress == null) {
  75             return "";
  76         }
  77
  78         StringBuilder sb = new StringBuilder(18);
  79
  80         for (int i = 0; i < macAddress.length; i++) {
  81             String tmp = UnsignedBytes.toString(macAddress[i], 16).toUpperCase();
  82             if(tmp.length() == 1 || macAddress[i] == (byte)0) {
  83                 sb.append("0");
  84             }
  85             sb.append(tmp);
  86             sb.append(":");
  87         }
  88
  89         sb.setLength(17);
  90         return sb.toString();
  91     }
  92 }