Bug 6402: Convert src eid from binary IP to prefix
[lispflowmapping.git] / mappingservice / lisp-proto / src / main / java / org / opendaylight / lispflowmapping / lisp / util / LispAddressUtil.java
1 /*
2  * Copyright (c) 2014 Contextream, Inc. 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.lispflowmapping.lisp.util;
9
10 import com.google.common.base.Preconditions;
11 import com.google.common.net.InetAddresses;
12 import java.net.Inet4Address;
13 import java.net.Inet6Address;
14 import java.net.InetAddress;
15 import java.util.ArrayList;
16 import java.util.List;
17 import java.util.regex.Pattern;
18 import org.apache.commons.lang3.tuple.ImmutablePair;
19 import org.apache.commons.lang3.tuple.Pair;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IetfInetUtil;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AsNumberAfi;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.DistinguishedNameAfi;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.DistinguishedNameType;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ExplicitLocatorPathLcaf;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.InstanceIdType;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4Afi;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4PrefixAfi;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6Afi;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6PrefixAfi;
37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.KeyValueAddressLcaf;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddressFamily;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.MacAfi;
40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.NoAddressAfi;
41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ServicePathIdType;
42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ServicePathLcaf;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SourceDestKeyLcaf;
45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.AsNumberBuilder;
47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.DistinguishedNameBuilder;
48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4;
49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4Builder;
50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4PrefixBuilder;
51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6;
52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6Builder;
53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6PrefixBuilder;
54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.KeyValueAddress;
55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.MacBuilder;
56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.NoAddressBuilder;
57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ServicePathBuilder;
58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.ExplicitLocatorPathBuilder;
59 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.explicit.locator.path.Hop;
60 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.explicit.locator.path.Hop.LrsBits;
61 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.explicit.locator.path.HopBuilder;
62 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.key.value.address.KeyValueAddressBuilder;
63 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.service.path.ServicePath;
64 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.source.dest.key.SourceDestKey;
65 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.source.dest.key.SourceDestKeyBuilder;
66 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.IpAddressBinary;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.Ipv4AddressBinary;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.Ipv6AddressBinary;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4BinaryAfi;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4PrefixBinaryAfi;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6BinaryAfi;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6PrefixBinaryAfi;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4Binary;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4BinaryBuilder;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4PrefixBinary;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4PrefixBinaryBuilder;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6Binary;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6BinaryBuilder;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6PrefixBinary;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6PrefixBinaryBuilder;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.EidBuilder;
84 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecord;
85 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecordBuilder;
86 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
87 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.RlocBuilder;
88 import org.slf4j.Logger;
89 import org.slf4j.LoggerFactory;
90
91 public final class LispAddressUtil {
92     protected static final Logger LOG = LoggerFactory.getLogger(LispAddressUtil.class);
93
94     public static final short STARTING_SERVICE_INDEX = 255;
95     private static final Pattern IP4_PATTERN =
96             Pattern.compile("(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])",
97             Pattern.CASE_INSENSITIVE);
98     private static final Pattern IP6_PATTERN =
99             Pattern.compile("([0-9a-f]{1,4}:){7}([0-9a-f]){1,4}", Pattern.CASE_INSENSITIVE);
100
101     // Utility class, should not be instantiated
102     private LispAddressUtil() {
103     }
104
105     public static Class<? extends LispAddressFamily> addressTypeFromSimpleAddress(SimpleAddress address) {
106         if (address.getIpAddress() != null) {
107             return binaryAddressTypeFromIpAddress(address.getIpAddress());
108         } else if (address.getIpPrefix() != null) {
109             return addressTypeFromIpPrefix(address.getIpPrefix());
110         } else if (address.getMacAddress() != null) {
111             return MacAfi.class;
112         } else if (address.getDistinguishedNameType() != null) {
113             return DistinguishedNameAfi.class;
114         } else if (address.getAsNumber() != null) {
115             return AsNumberAfi.class;
116         }
117         return null;
118     }
119
120     public static Address addressFromSimpleAddress(SimpleAddress address) {
121         if (address.getIpAddress() != null) {
122             return binaryAddressFromIpAddress(address.getIpAddress());
123         } else if (address.getIpPrefix() != null) {
124             return addressFromIpPrefix(address.getIpPrefix());
125         } else if (address.getMacAddress() != null) {
126             return addressFromMacAddress(address.getMacAddress());
127         } else if (address.getDistinguishedNameType() != null) {
128             return addressFromDistinguishedName(address.getDistinguishedNameType());
129         } else if (address.getAsNumber() != null) {
130             return addressFromAsNumber(address.getAsNumber());
131         }
132         return null;
133     }
134
135     public static Class<? extends LispAddressFamily> addressTypeFromInet(InetAddress address) {
136         if (address instanceof Inet4Address) {
137             return Ipv4Afi.class;
138         } else if (address instanceof Inet6Address) {
139             return Ipv6Afi.class;
140         }
141         return null;
142     }
143
144     public static Address addressFromInet(InetAddress address) {
145         if (address instanceof Inet4Address) {
146             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
147                     .rev151105.lisp.address.address.Ipv4Builder()
148                     .setIpv4(IetfInetUtil.INSTANCE.ipv4AddressFor(address)).build();
149         } else if (address instanceof Inet6Address) {
150             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
151                     .rev151105.lisp.address.address.Ipv6Builder()
152                     .setIpv6(IetfInetUtil.INSTANCE.ipv6AddressFor(address)).build();
153         }
154         return null;
155     }
156
157     public static Class<? extends LispAddressFamily> binaryAddressTypeFromInet(InetAddress address) {
158         if (address instanceof Inet4Address) {
159             return Ipv4BinaryAfi.class;
160         } else if (address instanceof Inet6Address) {
161             return Ipv6BinaryAfi.class;
162         }
163         return null;
164     }
165
166     public static Address binaryAddressFromInet(InetAddress address) {
167         if (address instanceof Inet4Address) {
168             return (Address) new Ipv4BinaryBuilder().setIpv4Binary(new Ipv4AddressBinary(address.getAddress())).build();
169         } else if (address instanceof Inet6Address) {
170             return (Address) new Ipv6BinaryBuilder().setIpv6Binary(new Ipv6AddressBinary(address.getAddress())).build();
171         }
172         return null;
173     }
174
175     public static Class<? extends LispAddressFamily> addressTypeFromIpAddress(IpAddress address) {
176         if (address == null) {
177             return null;
178         } else if (address.getIpv4Address() != null) {
179             return Ipv4Afi.class;
180         } else if (address.getIpv6Address() != null) {
181             return Ipv6Afi.class;
182         }
183         return null;
184     }
185
186     public static Class<? extends LispAddressFamily> binaryAddressTypeFromIpAddress(IpAddress address) {
187         if (address == null) {
188             return null;
189         } else if (address.getIpv4Address() != null) {
190             return Ipv4BinaryAfi.class;
191         } else if (address.getIpv6Address() != null) {
192             return Ipv6BinaryAfi.class;
193         }
194         return null;
195     }
196
197     public static Address addressFromIpAddress(IpAddress address) {
198         if (address == null) {
199             return null;
200         } else if (address.getIpv4Address() != null) {
201             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
202                     .rev151105.lisp.address.address.Ipv4Builder().setIpv4(address.getIpv4Address()).build();
203         } else if (address.getIpv6Address() != null) {
204             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
205                     .rev151105.lisp.address.address.Ipv6Builder().setIpv6(address.getIpv6Address()).build();
206         }
207         return null;
208     }
209
210
211     public static Address binaryAddressFromIpAddress(IpAddress address) {
212         if (address == null) {
213             return null;
214         } else if (address.getIpv4Address() != null) {
215             return (Address) new Ipv4BinaryBuilder().setIpv4Binary(new Ipv4AddressBinary(
216                     InetAddresses.forString(address.getIpv4Address().getValue()).getAddress())).build();
217         } else if (address.getIpv6Address() != null) {
218             return (Address) new Ipv6BinaryBuilder().setIpv6Binary(new Ipv6AddressBinary(
219                     InetAddresses.forString(address.getIpv6Address().getValue()).getAddress())).build();
220         }
221         return null;
222     }
223
224     public static Class<? extends LispAddressFamily> addressTypeFromIpPrefix(IpPrefix address) {
225         if (address == null) {
226             return null;
227         } else if (address.getIpv4Prefix() != null) {
228             return Ipv4PrefixAfi.class;
229         } else if (address.getIpv6Prefix() != null) {
230             return Ipv6PrefixAfi.class;
231         }
232         return null;
233     }
234
235     public static Address addressFromIpPrefix(IpPrefix address) {
236         if (address == null) {
237             return null;
238         } else if (address.getIpv4Prefix() != null) {
239             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
240                     .rev151105.lisp.address.address.Ipv4PrefixBuilder().setIpv4Prefix(address.getIpv4Prefix()).build();
241         } else if (address.getIpv6Prefix() != null) {
242             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
243                     .rev151105.lisp.address.address.Ipv6PrefixBuilder().setIpv6Prefix(address.getIpv6Prefix()).build();
244         }
245         return null;
246     }
247
248     public static Address addressFromMacAddress(MacAddress address) {
249         if (address == null) {
250             return null;
251         } else {
252             return (Address) new MacBuilder().setMac(address).build();
253         }
254     }
255
256     public static Address addressFromServicePath(ServicePath address) {
257         if (address == null) {
258             return null;
259         } else {
260             return (Address) new ServicePathBuilder().setServicePath(address).build();
261         }
262     }
263
264     public static Address addressFromDistinguishedName(DistinguishedNameType address) {
265         if (address == null) {
266             return null;
267         } else {
268             return (Address) new DistinguishedNameBuilder().setDistinguishedName(address).build();
269         }
270     }
271
272     public static Address addressFromAsNumber(AsNumber address) {
273         if (address == null) {
274             return null;
275         } else {
276             return (Address) new AsNumberBuilder().setAsNumber(address).build();
277         }
278     }
279
280     public static Rloc toRloc(SimpleAddress address) {
281         RlocBuilder builder = new RlocBuilder();
282         builder.setAddressType(addressTypeFromSimpleAddress(address));
283         builder.setVirtualNetworkId(null);
284         builder.setAddress(addressFromSimpleAddress(address));
285         return builder.build();
286     }
287
288     public static Rloc toRloc(InetAddress address) {
289         RlocBuilder builder = new RlocBuilder();
290         builder.setAddressType(binaryAddressTypeFromInet(address));
291         builder.setVirtualNetworkId(null);
292         builder.setAddress(binaryAddressFromInet(address));
293         return builder.build();
294     }
295
296     public static Rloc toRloc(Ipv4Address address) {
297         RlocBuilder builder = new RlocBuilder();
298         builder.setAddressType(Ipv4Afi.class);
299         builder.setVirtualNetworkId(null);
300         builder.setAddress((Address) new Ipv4Builder().setIpv4(address).build());
301         return builder.build();
302     }
303
304     public static Rloc toRloc(Ipv4AddressBinary address) {
305         RlocBuilder builder = new RlocBuilder();
306         builder.setAddressType(Ipv4BinaryAfi.class);
307         builder.setVirtualNetworkId(null);
308         builder.setAddress((Address) new Ipv4BinaryBuilder().setIpv4Binary(address).build());
309         return builder.build();
310     }
311
312     public static Rloc toRloc(Ipv6Address address) {
313         RlocBuilder builder = new RlocBuilder();
314         builder.setAddressType(Ipv6Afi.class);
315         builder.setVirtualNetworkId(null);
316         builder.setAddress((Address) new Ipv6Builder().setIpv6(address).build());
317         return builder.build();
318     }
319
320     public static Rloc toRloc(Ipv6AddressBinary address) {
321         RlocBuilder builder = new RlocBuilder();
322         builder.setAddressType(Ipv6BinaryAfi.class);
323         builder.setVirtualNetworkId(null);
324         builder.setAddress((Address) new Ipv6BinaryBuilder().setIpv6Binary(address).build());
325         return builder.build();
326     }
327
328     public static Rloc asIpv4Rloc(String address) {
329         return toRloc(new Ipv4AddressBinary(InetAddresses.forString(address).getAddress()));
330     }
331
332     public static Rloc asIpv6Rloc(String address) {
333         return toRloc(new Ipv6AddressBinary(InetAddresses.forString(address).getAddress()));
334     }
335
336     public static Eid toEid(Ipv4Prefix prefix, InstanceIdType vni) {
337         EidBuilder builder = new EidBuilder();
338         builder.setAddressType(Ipv4PrefixAfi.class);
339         builder.setVirtualNetworkId(vni);
340         builder.setAddress((Address) new Ipv4PrefixBuilder().setIpv4Prefix(prefix).build());
341         return builder.build();
342     }
343
344     public static Eid toEid(Ipv4PrefixBinary prefix, InstanceIdType vni) {
345         EidBuilder builder = new EidBuilder();
346         builder.setAddressType(Ipv4PrefixBinaryAfi.class);
347         builder.setVirtualNetworkId(vni);
348         builder.setAddress((Address) prefix);
349         return builder.build();
350     }
351
352     public static Eid toEid(Ipv6PrefixBinary prefix, InstanceIdType vni) {
353         EidBuilder builder = new EidBuilder();
354         builder.setAddressType(Ipv6PrefixBinaryAfi.class);
355         builder.setVirtualNetworkId(vni);
356         builder.setAddress((Address) prefix);
357         return builder.build();
358     }
359
360     public static Eid toEid(Ipv4Address address, InstanceIdType vni) {
361         EidBuilder builder = new EidBuilder();
362         builder.setAddressType(Ipv4Afi.class);
363         builder.setVirtualNetworkId(vni);
364         builder.setAddress((Address) new Ipv4Builder().setIpv4(address).build());
365         return builder.build();
366     }
367
368     public static Eid toEid(Ipv4AddressBinary address, InstanceIdType vni) {
369         EidBuilder builder = new EidBuilder();
370         builder.setAddressType(Ipv4BinaryAfi.class);
371         builder.setVirtualNetworkId(vni);
372         builder.setAddress((Address) new Ipv4BinaryBuilder().setIpv4Binary(address).build());
373         return builder.build();
374     }
375
376     public static Eid toEid(IpPrefix prefix, InstanceIdType vni) {
377         EidBuilder builder = new EidBuilder();
378         builder.setAddress(addressFromIpPrefix(prefix));
379         builder.setAddressType(addressTypeFromIpPrefix(prefix));
380         builder.setVirtualNetworkId(vni);
381         return builder.build();
382     }
383
384     public static Eid toEid(Ipv6Address address, InstanceIdType vni) {
385         EidBuilder builder = new EidBuilder();
386         builder.setAddressType(Ipv6Afi.class);
387         builder.setVirtualNetworkId(vni);
388         builder.setAddress((Address) new Ipv6Builder().setIpv6(address).build());
389         return builder.build();
390     }
391
392     public static Eid toEid(Ipv6AddressBinary address, InstanceIdType vni) {
393         EidBuilder builder = new EidBuilder();
394         builder.setAddressType(Ipv6BinaryAfi.class);
395         builder.setVirtualNetworkId(vni);
396         builder.setAddress((Address) new Ipv6BinaryBuilder().setIpv6Binary(address).build());
397         return builder.build();
398     }
399
400     public static Eid toEid(DistinguishedNameType dn, InstanceIdType vni) {
401         EidBuilder builder = new EidBuilder();
402         builder.setAddressType(DistinguishedNameAfi.class);
403         builder.setVirtualNetworkId(vni);
404         builder.setAddress((Address) new DistinguishedNameBuilder().setDistinguishedName(dn).build());
405         return builder.build();
406     }
407
408     public static Eid toEid(MacAddress mac, InstanceIdType vni) {
409         EidBuilder builder = new EidBuilder();
410         builder.setAddressType(MacAfi.class);
411         builder.setVirtualNetworkId(vni);
412         builder.setAddress((Address) new MacBuilder().setMac(mac).build());
413         return builder.build();
414     }
415
416     public static Eid toEid(Ipv6Prefix prefix, InstanceIdType vni) {
417         EidBuilder builder = new EidBuilder();
418         builder.setAddressType(Ipv6PrefixAfi.class);
419         builder.setVirtualNetworkId(vni);
420         builder.setAddress((Address) new Ipv6PrefixBuilder().setIpv6Prefix(prefix).build());
421         return builder.build();
422     }
423
424     // XXX getMapping rcp fails if VNI set to 0
425     public static Eid toEidNoVni(IpPrefix prefix) {
426         EidBuilder builder = new EidBuilder();
427         builder.setAddress(addressFromIpPrefix(prefix));
428         builder.setAddressType(addressTypeFromIpPrefix(prefix));
429         return builder.build();
430     }
431
432     public static Eid toIpPrefixEid(IpAddress addr, int vni) {
433         // If you touch this, be sure that sfclisp compiles!
434         int mask = addressTypeFromIpAddress(addr) == Ipv4Afi.class ? 32 : 128;
435         IpPrefix prefix = asIpPrefix(String.valueOf(addr.getValue()), mask);
436         // XXX getMapping rcp fails if VNI set to 0
437         return toEidNoVni(prefix);
438     }
439
440     public static Eid asEid(SimpleAddress address, InstanceIdType vni) {
441         EidBuilder builder = new EidBuilder();
442         builder.setAddressType(addressTypeFromSimpleAddress(address));
443         builder.setVirtualNetworkId(vni);
444         // XXX Not sure if the below actually works as expected... also, what happens to AFI?
445         builder.setAddress(addressFromSimpleAddress(address));
446         return builder.build();
447     }
448
449     public static Eid asIpv4PrefixEid(String prefix) {
450         return asIpv4PrefixEid(prefix, null);
451     }
452
453     public static Eid asIpv4PrefixEid(Ipv4Address addr, InstanceIdType vni) {
454         return toEid(new IpPrefix(IetfInetUtil.INSTANCE.ipv4PrefixFor(addr)), vni);
455     }
456
457     public static Eid asIpv4PrefixEid(final String prefix, final InstanceIdType iiType) {
458         return toEid(new Ipv4Prefix(prefix), iiType);
459     }
460
461     public static Eid asIpv4PrefixEid(Eid eid, Inet4Address address, short mask) {
462         EidBuilder builder = new EidBuilder();
463         builder.setAddressType(Ipv4PrefixAfi.class);
464         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
465         builder.setAddress(new Ipv4PrefixBuilder().setIpv4Prefix(
466                 IetfInetUtil.INSTANCE.ipv4PrefixFor(address, mask)).build());
467         return builder.build();
468     }
469
470     public static Eid asIpv4PrefixBinaryEid(final String prefix) {
471         return asIpv4PrefixBinaryEid(prefix, null);
472     }
473
474     public static Eid asIpv4PrefixBinaryEid(final String prefix, final InstanceIdType iiType) {
475         String address = MaskUtil.getPrefixAddress(prefix);
476         short mask = Short.valueOf(MaskUtil.getPrefixMask(prefix));
477         byte[] ipv4 = InetAddresses.forString(address).getAddress();
478         return toEid(new Ipv4PrefixBinaryBuilder().setIpv4AddressBinary(new Ipv4AddressBinary(ipv4))
479                 .setIpv4MaskLength(mask).build(), iiType);
480     }
481
482     public static Eid asIpv4PrefixBinaryEid(Eid eid, byte[] address, short mask) {
483         Preconditions.checkArgument(address.length == 4,
484                 "asIpv4PrefixBinaryEid called with incorrect length byte array ({})", address.length);
485         EidBuilder builder = new EidBuilder();
486         builder.setAddressType(Ipv4PrefixBinaryAfi.class);
487         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
488         builder.setAddress(new Ipv4PrefixBinaryBuilder().setIpv4AddressBinary(new Ipv4AddressBinary(address))
489                 .setIpv4MaskLength(mask).build());
490         return builder.build();
491     }
492
493     public static Eid asIpv4Eid(String address) {
494         return toEid(new Ipv4AddressBinary(InetAddresses.forString(address).getAddress()), null);
495     }
496
497     public static Eid asIpv4Eid(String address, long vni) {
498         return toEid(new Ipv4AddressBinary(InetAddresses.forString(address).getAddress()), new InstanceIdType(vni));
499     }
500
501     public static Eid asIpv6Eid(String address) {
502         return toEid(new Ipv6AddressBinary(InetAddresses.forString(address).getAddress()), null);
503     }
504
505     public static Eid asIpv6Eid(String address, long vni) {
506         return toEid(new Ipv6AddressBinary(InetAddresses.forString(address).getAddress()), new InstanceIdType(vni));
507     }
508
509     public static Eid asIpv6PrefixEid(String prefix) {
510         return toEid(new Ipv6Prefix(prefix), null);
511     }
512
513     public static Eid asIpv6PrefixEid(Ipv6Address addr, InstanceIdType vni) {
514         return toEid(new IpPrefix(IetfInetUtil.INSTANCE.ipv6PrefixFor(addr)), vni);
515     }
516
517     public static Eid asIpv6PrefixEid(Eid eid, Inet6Address address, short mask) {
518         EidBuilder builder = new EidBuilder();
519         builder.setAddressType(Ipv6PrefixAfi.class);
520         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
521         builder.setAddress(new Ipv6PrefixBuilder().setIpv6Prefix(
522                 IetfInetUtil.INSTANCE.ipv6PrefixFor(address, mask)).build());
523         return builder.build();
524     }
525
526     public static Eid asIpv6PrefixBinaryEid(final String prefix) {
527         return asIpv6PrefixBinaryEid(prefix, null);
528     }
529
530     public static Eid asIpv6PrefixBinaryEid(final String prefix, final InstanceIdType iiType) {
531         String address = MaskUtil.getPrefixAddress(prefix);
532         short mask = Short.valueOf(MaskUtil.getPrefixMask(prefix));
533         byte[] ipv6 = InetAddresses.forString(address).getAddress();
534         return toEid(new Ipv6PrefixBinaryBuilder().setIpv6AddressBinary(new Ipv6AddressBinary(ipv6))
535                 .setIpv6MaskLength(mask).build(), iiType);
536     }
537
538     public static Eid asIpv6PrefixBinaryEid(Eid eid, byte[] address, short mask) {
539         Preconditions.checkArgument(address.length == 16,
540                 "asIpv6PrefixBinaryEid called with incorrect length byte array ({})", address.length);
541         EidBuilder builder = new EidBuilder();
542         builder.setAddressType(Ipv6PrefixBinaryAfi.class);
543         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
544         builder.setAddress(new Ipv6PrefixBinaryBuilder().setIpv6AddressBinary(new Ipv6AddressBinary(address))
545                 .setIpv6MaskLength(mask).build());
546         return builder.build();
547     }
548
549     public static Eid asBinaryEid(SimpleAddress address, InstanceIdType iid) {
550         if (address.getIpPrefix() != null) {
551             if (address.getIpPrefix().getIpv4Prefix() != null) {
552                 return LispAddressUtil.asIpv4PrefixBinaryEid(address.getIpPrefix().getIpv4Prefix().getValue(), iid);
553             } else if (address.getIpPrefix().getIpv6Prefix() != null) {
554                 return LispAddressUtil.asIpv6PrefixBinaryEid(address.getIpPrefix().getIpv6Prefix().getValue(), iid);
555             }
556         } else if (address.getIpAddress() != null) {
557             if (address.getIpAddress().getIpv4Address() != null) {
558                 LispAddressUtil.toEid(new Ipv4AddressBinary(InetAddresses.forString(
559                         address.getIpAddress().getIpv4Address().getValue()).getAddress()), iid);
560             } else if (address.getIpAddress().getIpv6Address() != null) {
561                 LispAddressUtil.toEid(new Ipv6AddressBinary(InetAddresses.forString(
562                         address.getIpAddress().getIpv6Address().getValue()).getAddress()), iid);
563             }
564         }
565         return LispAddressUtil.asEid(address, iid);
566     }
567
568     public static Eid asIpPrefixBinaryEid(Eid eid) {
569         Address address = eid.getAddress();
570         if (address instanceof Ipv4Binary) {
571             return LispAddressUtil.asIpv4PrefixBinaryEid(eid, ((Ipv4Binary) address).getIpv4Binary().getValue(),
572                     (short) 32);
573         } else if (address instanceof Ipv6Binary) {
574             return LispAddressUtil.asIpv6PrefixBinaryEid(eid, ((Ipv6Binary) address).getIpv6Binary().getValue(),
575                     (short) 128);
576         } else if (address instanceof Ipv4PrefixBinary || address instanceof Ipv6PrefixBinary) {
577             return eid;
578         } else if (address instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address
579                 .types.rev151105.lisp.address.address.Ipv4) {
580             return LispAddressUtil.asIpv4PrefixBinaryEid(((Ipv4) address).getIpv4().getValue() + "/32",
581                     eid.getVirtualNetworkId());
582         } else if (address instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address
583                 .types.rev151105.lisp.address.address.Ipv6) {
584             return LispAddressUtil.asIpv6PrefixBinaryEid(((Ipv6) address).getIpv6().getValue() + "/128",
585                     eid.getVirtualNetworkId());
586         }
587         return convertToBinary(eid);
588     }
589
590     public static int ipVersionFromString(String ip) {
591         if (IP4_PATTERN.matcher(ip).matches()) {
592             return 4;
593         } else if (IP6_PATTERN.matcher(ip).matches()) {
594             return 6;
595         } else {
596             return 0;
597         }
598     }
599
600     public static IpPrefix asIpPrefix(String addr, int mask) {
601         int version = ipVersionFromString(addr);
602         if (version == 4 && (mask >= 0 && mask <= 32)) {
603             return new IpPrefix(new Ipv4Prefix(addr + "/" + mask));
604         } else if (version == 6 && (mask >= 0 && mask <= 128)) {
605             return new IpPrefix(new Ipv6Prefix(addr + "/" + mask));
606         } else {
607             return null;
608         }
609     }
610
611     public static Eid asServicePathEid(long vni, long servicePathId, short serviceIndex) {
612         EidBuilder eb = new EidBuilder();
613         eb.setAddressType(ServicePathLcaf.class);
614         if (vni >= 0) {
615             eb.setVirtualNetworkId(new InstanceIdType(vni));
616         }
617         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
618                 .lisp.address.address.service.path.ServicePathBuilder spb =
619                 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
620                 .lisp.address.address.service.path.ServicePathBuilder();
621         spb.setServicePathId(new ServicePathIdType(servicePathId));
622         spb.setServiceIndex(serviceIndex);
623         return eb.setAddress(addressFromServicePath(spb.build())).build();
624     }
625
626     public static Eid asMacEid(String address, long vni) {
627         return toEid(new MacAddress(address), new InstanceIdType(vni));
628     }
629
630     public static Eid asMacEid(String address) {
631         return toEid(new MacAddress(address), null);
632     }
633
634     public static Eid asDistinguishedNameEid(String address, long vni) {
635         return toEid(new MacAddress(address), new InstanceIdType(vni));
636     }
637
638     public static Eid asDistinguishedNameEid(String address) {
639         return toEid(new DistinguishedNameType(address), null);
640     }
641
642     public static Eid asKeyValueAddressEid(SimpleAddress key, SimpleAddress value) {
643         KeyValueAddressBuilder kvab = new KeyValueAddressBuilder();
644         kvab.setKey(key);
645         kvab.setValue(value);
646         KeyValueAddress address = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
647                 .rev151105.lisp.address.address.KeyValueAddressBuilder()
648                 .setKeyValueAddress(kvab.build()).build();
649         EidBuilder builder = new EidBuilder();
650         builder.setAddressType(KeyValueAddressLcaf.class);
651         builder.setVirtualNetworkId(null);
652         builder.setAddress((Address) address);
653         return builder.build();
654     }
655
656     public static Rloc asKeyValueAddressRloc(SimpleAddress key, SimpleAddress value) {
657         KeyValueAddressBuilder kvab = new KeyValueAddressBuilder();
658         kvab.setKey(key);
659         kvab.setValue(value);
660         KeyValueAddress address = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
661                 .rev151105.lisp.address.address.KeyValueAddressBuilder()
662                 .setKeyValueAddress(kvab.build()).build();
663         RlocBuilder builder = new RlocBuilder();
664         builder.setAddressType(KeyValueAddressLcaf.class);
665         builder.setVirtualNetworkId(null);
666         builder.setAddress((Address) address);
667         return builder.build();
668     }
669
670     public static Rloc asKeyValueAddress(String key, SimpleAddress value) {
671         return asKeyValueAddressRloc(new SimpleAddress(new DistinguishedNameType(key)), value);
672     }
673
674     public static SourceDestKey asSrcDst(String src, String dst, int smask, int dmask) {
675         SourceDestKeyBuilder builder = new SourceDestKeyBuilder();
676         builder.setSource(new SimpleAddress(asIpPrefix(src, smask)));
677         builder.setDest(new SimpleAddress(asIpPrefix(dst, dmask)));
678         return builder.build();
679     }
680
681     public static Eid asSrcDstEid(String src, String dst, int smask, int dmask, int vni) {
682         EidBuilder builder = new EidBuilder();
683         builder.setAddressType(SourceDestKeyLcaf.class);
684         builder.setVirtualNetworkId(new InstanceIdType(Long.valueOf(vni)));
685         builder.setAddress(
686                 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
687                         .lisp.address.address.SourceDestKeyBuilder()
688                         .setSourceDestKey(asSrcDst(src, dst, smask, dmask)).build());
689
690         return builder.build();
691     }
692
693     public static Eid asSrcDstEid(SourceDestKey sd, InstanceIdType vni) {
694         EidBuilder builder = new EidBuilder();
695         builder.setAddressType(SourceDestKeyLcaf.class);
696         builder.setVirtualNetworkId(vni);
697         builder.setAddress(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
698                 .rev151105.lisp.address.address.SourceDestKeyBuilder().setSourceDestKey(sd).build());
699         return builder.build();
700     }
701
702     public static Rloc asTeLcafRloc(List<IpAddress> hopList) {
703         ExplicitLocatorPathBuilder teAddrBuilder = new ExplicitLocatorPathBuilder();
704         teAddrBuilder.setHop(new ArrayList<Hop>());
705         for (IpAddress hop : hopList) {
706             HopBuilder hopBuilder = new HopBuilder();
707             hopBuilder.setAddress(new SimpleAddress(hop));
708             hopBuilder.setHopId("Hop " + teAddrBuilder.getHop().size());
709             hopBuilder.setLrsBits(new LrsBits(false, false, false));
710             teAddrBuilder.getHop().add(hopBuilder.build());
711         }
712
713         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
714             .lisp.address.address.ExplicitLocatorPathBuilder elpBuilder =
715             new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
716             .lisp.address.address.ExplicitLocatorPathBuilder();
717         elpBuilder.setExplicitLocatorPath(teAddrBuilder.build());
718
719         RlocBuilder teBuilder = new RlocBuilder();
720         teBuilder.setAddress(elpBuilder.build());
721         teBuilder.setAddressType(ExplicitLocatorPathLcaf.class);
722         return teBuilder.build();
723     }
724
725     public static List<LocatorRecord> asLocatorRecords(List<Rloc> locators) {
726         List<LocatorRecord> locatorRecords = new ArrayList<LocatorRecord>();
727         for (Rloc locator : locators) {
728             LocatorRecordBuilder locatorBuilder = new LocatorRecordBuilder();
729             locatorBuilder.setLocalLocator(false).setRlocProbed(false).setWeight((short) 1).setPriority((short) 1)
730                     .setMulticastWeight((short) 1).setMulticastPriority((short) 1).setRouted(true)
731                     .setRloc(locator).setLocatorId("SFC_LISP").build();
732             locatorRecords.add(locatorBuilder.build());
733         }
734         return locatorRecords;
735     }
736
737     public static Eid getNoAddressEid() {
738         EidBuilder builder = new EidBuilder();
739         builder.setAddressType(NoAddressAfi.class);
740         builder.setVirtualNetworkId(null);
741         builder.setAddress(new NoAddressBuilder().setNoAddress(true).build());
742         return builder.build();
743     }
744
745     public static byte[] ipAddressToByteArray(Address addr) {
746         if (addr instanceof Ipv4) {
747             return InetAddresses.forString(((Ipv4) addr).getIpv4().getValue()).getAddress();
748         } else if (addr instanceof Ipv6) {
749             return InetAddresses.forString(((Ipv6) addr).getIpv6().getValue()).getAddress();
750         } else if (addr instanceof Ipv4Binary) {
751             return ((Ipv4Binary) addr).getIpv4Binary().getValue();
752         } else if (addr instanceof Ipv6Binary) {
753             return ((Ipv6Binary) addr).getIpv6Binary().getValue();
754         } else {
755             return null;
756         }
757     }
758
759     private static Ipv4PrefixBinary convertToBinary(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
760             .lisp.address.types.rev151105.lisp.address.address.Ipv4Prefix prefix) {
761         Ipv4PrefixBinaryBuilder pb = new Ipv4PrefixBinaryBuilder();
762         byte[] address = InetAddresses.forString(MaskUtil.getAddressStringForIpv4Prefix(prefix)).getAddress();
763         pb.setIpv4AddressBinary(new Ipv4AddressBinary(address));
764         pb.setIpv4MaskLength(MaskUtil.getMaskForAddress(prefix));
765         return pb.build();
766     }
767
768     private static Ipv6PrefixBinary convertToBinary(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
769             .lisp.address.types.rev151105.lisp.address.address.Ipv6Prefix prefix) {
770         Ipv6PrefixBinaryBuilder pb = new Ipv6PrefixBinaryBuilder();
771         byte[] address = InetAddresses.forString(MaskUtil.getAddressStringForIpv6Prefix(prefix)).getAddress();
772         pb.setIpv6AddressBinary(new Ipv6AddressBinary(address));
773         pb.setIpv6MaskLength(MaskUtil.getMaskForAddress(prefix));
774         return pb.build();
775     }
776
777     private static Ipv4Binary convertToBinary(Ipv4 address) {
778         byte[] addr = InetAddresses.forString(address.getIpv4().getValue()).getAddress();
779         return new Ipv4BinaryBuilder().setIpv4Binary(new Ipv4AddressBinary(addr)).build();
780     }
781
782     private static Ipv6Binary convertToBinary(Ipv6 address) {
783         byte[] addr = InetAddresses.forString(address.getIpv6().getValue()).getAddress();
784         return new Ipv6BinaryBuilder().setIpv6Binary(new Ipv6AddressBinary(addr)).build();
785     }
786
787     private static Pair<Class<? extends LispAddressFamily>, Address> convertToBinary(Address addr) {
788         Address convAddr = null;
789         Class<? extends LispAddressFamily> convType = null;
790         if (addr instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
791                 .lisp.address.types.rev151105.lisp.address.address.Ipv4Prefix) {
792             convAddr = convertToBinary((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
793                     .lisp.address.types.rev151105.lisp.address.address.Ipv4Prefix) addr);
794             convType = Ipv4PrefixBinaryAfi.class;
795         } else if (addr instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
796                 .lisp.address.types.rev151105.lisp.address.address.Ipv6Prefix) {
797             convAddr = convertToBinary((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
798                     .lisp.address.types.rev151105.lisp.address.address.Ipv6Prefix) addr);
799             convType = Ipv6PrefixBinaryAfi.class;
800         } else if (addr instanceof Ipv4) {
801             convAddr = convertToBinary((Ipv4) addr);
802             convType = Ipv4BinaryAfi.class;
803         } else if (addr instanceof Ipv6) {
804             convAddr = convertToBinary((Ipv6) addr);
805             convType = Ipv6BinaryAfi.class;
806         }
807         return new ImmutablePair<Class<? extends LispAddressFamily>, Address>(convType, convAddr);
808     }
809
810     public static Eid convertToBinary(Eid eid) {
811         Pair<Class<? extends LispAddressFamily>, Address> converted = convertToBinary(eid.getAddress());
812         if (converted.getRight() == null) {
813             return eid;
814         }
815         EidBuilder eb = new EidBuilder(eid);
816         eb.setAddressType(converted.getLeft());
817         eb.setAddress(converted.getRight());
818         return eb.build();
819     }
820
821     public static Rloc convertToBinary(Rloc rloc) {
822         Pair<Class<? extends LispAddressFamily>, Address> converted = convertToBinary(rloc.getAddress());
823         if (converted.getRight() == null) {
824             return rloc;
825         }
826         RlocBuilder rb = new RlocBuilder(rloc);
827         rb.setAddressType(converted.getLeft());
828         rb.setAddress(converted.getRight());
829         return rb.build();
830     }
831
832     /**
833      * Converts the {@link InetAddress} into Ipv4 or Ipv6 {@link IpAddressBinary}. If null parameter is passed, method
834      * returns the Ipv4 loopback address (127.0.0.1).
835      *
836      * @param inetAddress Any Ipv4 or Ipv6 InetAddress.
837      * @return The converted Ipv4 or Ipv6 IpAddressBinary, or Ipv4 loopback address (127.0.0.1) if null is passed.
838      */
839     public static IpAddressBinary addressBinaryFromInet(InetAddress inetAddress) {
840         if (inetAddress == null) {
841             inetAddress = Inet4Address.getLoopbackAddress();
842         }
843
844         if (inetAddress instanceof Inet4Address) {
845             return new IpAddressBinary(new Ipv4AddressBinary(inetAddress.getAddress()));
846         } else if (inetAddress instanceof Inet6Address) {
847             return new IpAddressBinary(new Ipv6AddressBinary(inetAddress.getAddress()));
848         }
849         return null;
850     }
851
852     private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
853             .lisp.address.address.Ipv4Prefix convertFromBinary(Ipv4PrefixBinary prefix) {
854         return new Ipv4PrefixBuilder().setIpv4Prefix(IetfInetUtil.INSTANCE.ipv4PrefixFor(
855                 prefix.getIpv4AddressBinary().getValue(),
856                 prefix.getIpv4MaskLength())).build();
857     }
858
859     private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
860             .lisp.address.address.Ipv6Prefix convertFromBinary(Ipv6PrefixBinary prefix) {
861         return new Ipv6PrefixBuilder().setIpv6Prefix(IetfInetUtil.INSTANCE.ipv6PrefixFor(
862                 prefix.getIpv6AddressBinary().getValue(),
863                 prefix.getIpv6MaskLength())).build();
864     }
865
866     private static Ipv4 convertFromBinary(Ipv4Binary address) {
867         return new Ipv4Builder().setIpv4(IetfInetUtil.INSTANCE.ipv4AddressFor(address.getIpv4Binary().getValue()))
868                 .build();
869     }
870
871     private static Ipv6 convertFromBinary(Ipv6Binary address) {
872         return new Ipv6Builder().setIpv6(IetfInetUtil.INSTANCE.ipv6AddressFor(address.getIpv6Binary().getValue()))
873                 .build();
874     }
875
876     private static Pair<Class<? extends LispAddressFamily>, Address> convertFromBinary(Address addr) {
877         Address convAddr = null;
878         Class<? extends LispAddressFamily> convType = null;
879         if (addr instanceof Ipv4PrefixBinary) {
880             convAddr = convertFromBinary((Ipv4PrefixBinary) addr);
881             convType = Ipv4PrefixAfi.class;
882         } else if (addr instanceof Ipv6PrefixBinary) {
883             convAddr = convertFromBinary((Ipv6PrefixBinary) addr);
884             convType = Ipv6PrefixAfi.class;
885         } else if (addr instanceof Ipv4Binary) {
886             convAddr = convertFromBinary((Ipv4Binary) addr);
887             convType = Ipv4Afi.class;
888         } else if (addr instanceof Ipv6Binary) {
889             convAddr = convertFromBinary((Ipv6Binary) addr);
890             convType = Ipv6Afi.class;
891         }
892         return new ImmutablePair<Class<? extends LispAddressFamily>, Address>(convType, convAddr);
893     }
894
895     public static Eid convertFromBinary(Eid eid) {
896         Pair<Class<? extends LispAddressFamily>, Address> converted = convertFromBinary(eid.getAddress());
897         if (converted.getRight() == null) {
898             return eid;
899         }
900         EidBuilder eb = new EidBuilder(eid);
901         eb.setAddressType(converted.getLeft());
902         eb.setAddress(converted.getRight());
903         return eb.build();
904     }
905
906     public static Rloc convertFromBinary(Rloc rloc) {
907         Pair<Class<? extends LispAddressFamily>, Address> converted = convertFromBinary(rloc.getAddress());
908         if (converted.getRight() == null) {
909             return rloc;
910         }
911         RlocBuilder rb = new RlocBuilder(rloc);
912         rb.setAddressType(converted.getLeft());
913         rb.setAddress(converted.getRight());
914         return rb.build();
915     }
916
917     public static boolean addressNeedsConversionToBinary(Address address) {
918         if (address instanceof Ipv4 || address instanceof Ipv6
919                 || address instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
920                         .lisp.address.types.rev151105.lisp.address.address.Ipv4Prefix
921                 || address instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
922                         .lisp.address.types.rev151105.lisp.address.address.Ipv6Prefix) {
923             return true;
924         }
925         return false;
926     }
927
928     public static boolean addressNeedsConversionFromBinary(Address address) {
929         if (address instanceof Ipv4Binary || address instanceof Ipv6Binary
930                 || address instanceof Ipv4PrefixBinary || address instanceof Ipv6PrefixBinary) {
931             return true;
932         }
933         return false;
934     }
935
936     public static int compareIpAddressByteArrays(byte[] one, byte[] two) {
937         if (one.length < two.length) {
938             return -1;
939         } else if (one.length > two.length) {
940             return 1;
941         } else if (one.length == 4 && two.length == 4) {
942             for (int i = 0; i < 4; i++) {
943                 if (one[i] < two[i]) {
944                     return -1;
945                 } else if (one[i] > two[i]) {
946                     return 1;
947                 }
948             }
949             return 0;
950         } else if (one.length == 16 && two.length == 16) {
951             for (int i = 0; i < 16; i++) {
952                 if (one[i] < two[i]) {
953                     return -1;
954                 } else if (one[i] > two[i]) {
955                     return 1;
956                 }
957             }
958             return 0;
959         }
960         return 0;
961     }
962
963     public static short getIpPrefixMask(Eid eid) {
964         Address addr = eid.getAddress();
965         if (addr instanceof Ipv4PrefixBinary) {
966             return ((Ipv4PrefixBinary) addr).getIpv4MaskLength();
967         } else if (addr instanceof Ipv6PrefixBinary) {
968             return ((Ipv6PrefixBinary) addr).getIpv6MaskLength();
969         }
970         return 0;
971     }
972 }