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 java.net.Inet4Address;
  11 import java.net.Inet6Address;
  12 import java.net.InetAddress;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.regex.Pattern;
  16 import java.util.regex.PatternSyntaxException;
  17
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AsNumberAfi;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.DistinguishedNameAfi;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.DistinguishedNameType;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ExplicitLocatorPathLcaf;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.InstanceIdType;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4Afi;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4PrefixAfi;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6Afi;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6PrefixAfi;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.KeyValueAddressLcaf;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddressFamily;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.MacAfi;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SourceDestKeyLcaf;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.DistinguishedNameBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4Builder;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4PrefixBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6Builder;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6PrefixBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.KeyValueAddress;
  45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.MacBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.EidBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecord;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecordBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.RlocBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.key.value.address.KeyValueAddressBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.source.dest.key.SourceDestKey;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.source.dest.key.SourceDestKeyBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.explicit.locator.path.ExplicitLocatorPathBuilder;
  57 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;
  58 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;
  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.HopBuilder;
  60
  61 public class LispAddressUtil {
  62     private static Pattern IP4_PATTERN = null;
  63     private static Pattern IP6_PATTERN = null;
  64     private static final String ip4Pattern = "(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])";
  65     private static final String ip6Pattern = "([0-9a-f]{1,4}:){7}([0-9a-f]){1,4}";
  66     static {
  67         try {
  68           IP4_PATTERN = Pattern.compile(ip4Pattern, Pattern.CASE_INSENSITIVE);
  69           IP6_PATTERN = Pattern.compile(ip6Pattern, Pattern.CASE_INSENSITIVE);
  70         } catch (PatternSyntaxException e) {
  71         }
  72       }
  73
  74     public static Class<? extends LispAddressFamily> addressTypeFromSimpleAddress(SimpleAddress address) {
  75         if (address.getIpAddress() != null) {
  76             return addressTypeFromIpAddress(address.getIpAddress());
  77         } else if (address.getIpPrefix() != null) {
  78             return addressTypeFromIpPrefix(address.getIpPrefix());
  79         } else if (address.getMacAddress() != null) {
  80             return MacAfi.class;
  81         } else if (address.getDistinguishedNameType() != null) {
  82             return DistinguishedNameAfi.class;
  83         } else if (address.getAsNumber() != null) {
  84             return AsNumberAfi.class;
  85         }
  86         return null;
  87     }
  88
  89     public static Address addressFromSimpleAddress(SimpleAddress address) {
  90         if (address.getIpAddress() != null) {
  91             return addressFromIpAddress(address.getIpAddress());
  92         } else if (address.getIpPrefix() != null) {
  93             return addressFromIpPrefix(address.getIpPrefix());
  94         }
  95         // TODO the rest of the types
  96         return null;
  97     }
  98
  99     public static Class<? extends LispAddressFamily> addressTypeFromInet(InetAddress address) {
 100         if (address instanceof Inet4Address) {
 101             return Ipv4Afi.class;
 102         } else if (address instanceof Inet6Address) {
 103             return Ipv6Afi.class;
 104         }
 105         return null;
 106     }
 107
 108     public static Address addressFromInet(InetAddress address) {
 109         if (address instanceof Inet4Address) {
 110             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4Builder()
 111             .setIpv4(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address(address.getHostAddress())).build();
 112         } else if (address instanceof Inet6Address) {
 113             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6Builder()
 114             .setIpv6(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address(address.getHostAddress())).build();
 115         }
 116         return null;
 117     }
 118
 119     public static Class<? extends LispAddressFamily> addressTypeFromIpAddress(IpAddress address) {
 120         if (address == null) {
 121             return null;
 122         } else if (address.getIpv4Address() != null) {
 123             return Ipv4Afi.class;
 124         } else if (address.getIpv6Address() != null) {
 125             return Ipv6Afi.class;
 126         }
 127         return null;
 128     }
 129
 130     public static Address addressFromIpAddress(IpAddress address) {
 131         if (address == null) {
 132             return null;
 133         } else if (address.getIpv4Address() != null) {
 134             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4Builder().setIpv4(address.getIpv4Address()).build();
 135         } else if (address.getIpv6Address() != null) {
 136             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6Builder().setIpv6(address.getIpv6Address()).build();
 137         }
 138         return null;
 139     }
 140
 141     public static Class<? extends LispAddressFamily> addressTypeFromIpPrefix(IpPrefix address) {
 142         if (address == null) {
 143             return null;
 144         } else if (address.getIpv4Prefix() != null) {
 145             return Ipv4PrefixAfi.class;
 146         } else if (address.getIpv6Prefix() != null) {
 147             return Ipv6PrefixAfi.class;
 148         }
 149         return null;
 150     }
 151
 152     public static Address addressFromIpPrefix(IpPrefix address) {
 153         if (address == null) {
 154             return null;
 155         } else if (address.getIpv4Prefix() != null) {
 156             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4PrefixBuilder().setIpv4Prefix(address.getIpv4Prefix()).build();
 157         } else if (address.getIpv6Prefix() != null) {
 158             return (Address) new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6PrefixBuilder().setIpv6Prefix(address.getIpv6Prefix()).build();
 159         }
 160         return null;
 161     }
 162
 163     public static Rloc toRloc(SimpleAddress address) {
 164         RlocBuilder builder = new RlocBuilder();
 165         builder.setAddressType(addressTypeFromSimpleAddress(address));
 166         builder.setVirtualNetworkId(null);
 167         builder.setAddress(addressFromSimpleAddress(address));
 168         return builder.build();
 169     }
 170
 171     public static Rloc toRloc(InetAddress address) {
 172         RlocBuilder builder = new RlocBuilder();
 173         builder.setAddressType(addressTypeFromInet(address));
 174         builder.setVirtualNetworkId(null);
 175         builder.setAddress(addressFromInet(address));
 176         return builder.build();
 177     }
 178
 179     public static Rloc toRloc(Ipv4Address address) {
 180         RlocBuilder builder = new RlocBuilder();
 181         builder.setAddressType(Ipv4Afi.class);
 182         builder.setVirtualNetworkId(null);
 183         builder.setAddress((Address) new Ipv4Builder().setIpv4(address).build());
 184         return builder.build();
 185     }
 186
 187     public static Rloc toRloc(Ipv6Address address) {
 188         RlocBuilder builder = new RlocBuilder();
 189         builder.setAddressType(Ipv6Afi.class);
 190         builder.setVirtualNetworkId(null);
 191         builder.setAddress((Address) new Ipv6Builder().setIpv6(address).build());
 192         return builder.build();
 193     }
 194
 195     public static Rloc asIpv4Rloc(String address) {
 196         return toRloc(new Ipv4Address(address));
 197     }
 198
 199     public static Rloc asIpv6Rloc(String address) {
 200         return toRloc(new Ipv6Address(address));
 201     }
 202
 203     public static Eid toEid(Ipv4Prefix prefix, InstanceIdType vni) {
 204         EidBuilder builder = new EidBuilder();
 205         builder.setAddressType(Ipv4PrefixAfi.class);
 206         builder.setVirtualNetworkId(vni);
 207         builder.setAddress((Address) new Ipv4PrefixBuilder().setIpv4Prefix(prefix).build());
 208         return builder.build();
 209     }
 210
 211     public static Eid toEid(Ipv4Address prefix, InstanceIdType vni) {
 212         EidBuilder builder = new EidBuilder();
 213         builder.setAddressType(Ipv4Afi.class);
 214         builder.setVirtualNetworkId(vni);
 215         builder.setAddress((Address) new Ipv4Builder().setIpv4(prefix).build());
 216         return builder.build();
 217     }
 218
 219     public static Eid toEid(Eid eid, IpPrefix prefix) {
 220         EidBuilder builder = new EidBuilder();
 221         builder.setAddressType(eid.getAddressType());
 222         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
 223         // XXX Not sure if the below actually works as expected... also, what happens to AFI?
 224         builder.setAddress(addressFromIpPrefix(prefix));
 225         return builder.build();
 226     }
 227
 228     public static Eid toEid(IpPrefix prefix, int vni) {
 229         EidBuilder builder = new EidBuilder();
 230         builder.setAddress(addressFromIpPrefix(prefix));
 231         builder.setAddressType(addressTypeFromIpPrefix(prefix));
 232         // XXX getMapping rcp fails if set to 0
 233         //builder.setVirtualNetworkId(new InstanceIdType(Long.valueOf(vni)));
 234         return builder.build();
 235     }
 236
 237     public static Eid toIpPrefixEid(IpAddress addr, int vni) {
 238         int mask = addressTypeFromIpAddress(addr) == Ipv4Afi.class ? 32 : 128;
 239         IpPrefix prefix = asIpPrefix(addr.getValue().toString(), mask);
 240         return toEid(prefix, vni);
 241     }
 242
 243     public static Eid asIpv4PrefixEid(String prefix) {
 244         return toEid(new Ipv4Prefix(prefix), null);
 245     }
 246
 247     public static Eid asIpv4Eid(String address) {
 248         return toEid(new Ipv4Address(address), null);
 249     }
 250
 251     public static Eid toEid(Ipv6Prefix prefix, InstanceIdType vni) {
 252         EidBuilder builder = new EidBuilder();
 253         builder.setAddressType(Ipv6PrefixAfi.class);
 254         builder.setVirtualNetworkId(vni);
 255         builder.setAddress((Address) new Ipv6PrefixBuilder().setIpv6Prefix(prefix).build());
 256         return builder.build();
 257     }
 258
 259     public static Eid toEid(Ipv6Address prefix, InstanceIdType vni) {
 260         EidBuilder builder = new EidBuilder();
 261         builder.setAddressType(Ipv6Afi.class);
 262         builder.setVirtualNetworkId(vni);
 263         builder.setAddress((Address) new Ipv6Builder().setIpv6(prefix).build());
 264         return builder.build();
 265     }
 266
 267     public static Eid asIpv6Eid(String address, long vni) {
 268         return toEid(new Ipv6Address(address), new InstanceIdType(vni));
 269     }
 270
 271     public static Eid asIpv6PrefixEid(String prefix) {
 272         return toEid(new Ipv6Prefix(prefix), null);
 273     }
 274
 275     public static Eid asIpv6Eid(String address) {
 276         return toEid(new Ipv6Address(address), null);
 277     }
 278
 279     public static Eid asIpv4Eid(String address, long vni) {
 280         return toEid(new Ipv4Address(address), new InstanceIdType(vni));
 281     }
 282
 283     public static int ipVersionFromString(String ip) {
 284         if (IP4_PATTERN.matcher(ip).matches()) {
 285             return 4;
 286         } else if (IP6_PATTERN.matcher(ip).matches()) {
 287             return 6;
 288         } else {
 289             return 0;
 290         }
 291     }
 292
 293     public static IpPrefix asIpPrefix(String addr, int mask) {
 294         int version = ipVersionFromString(addr);
 295         if (version == 4 && (mask >= 0 && mask <= 32)) {
 296             return new IpPrefix(new Ipv4Prefix(addr + "/" + mask));
 297         } else if (version == 6 && (mask >=0 && mask <= 128)) {
 298             return new IpPrefix(new Ipv6Prefix(addr + "/" + mask));
 299         } else {
 300             return null;
 301         }
 302     }
 303
 304     public static Eid asIpv4PrefixEid(Eid eid, Inet4Address address, short mask) {
 305         EidBuilder builder = new EidBuilder();
 306         builder.setAddressType(eid.getAddressType());
 307         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
 308         builder.setAddress(new Ipv4PrefixBuilder().setIpv4Prefix(new Ipv4Prefix(getStringPrefix(address, mask))).build());
 309         return builder.build();
 310     }
 311
 312     public static Eid asIpv6PrefixEid(Eid eid, Inet6Address address, short mask) {
 313         EidBuilder builder = new EidBuilder();
 314         builder.setAddressType(eid.getAddressType());
 315         builder.setVirtualNetworkId(eid.getVirtualNetworkId());
 316         builder.setAddress(new Ipv6PrefixBuilder().setIpv6Prefix(new Ipv6Prefix(getStringPrefix(address, mask))).build());
 317         return builder.build();
 318     }
 319
 320     public static Eid toEid(MacAddress mac, InstanceIdType vni) {
 321         EidBuilder builder = new EidBuilder();
 322         builder.setAddressType(MacAfi.class);
 323         builder.setVirtualNetworkId(vni);
 324         builder.setAddress((Address) new MacBuilder().setMac(mac).build());
 325         return builder.build();
 326     }
 327
 328     public static Eid asMacEid(String address, long vni) {
 329         return toEid(new MacAddress(address), new InstanceIdType(vni));
 330     }
 331
 332     public static Eid asMacEid(String address) {
 333         return toEid(new MacAddress(address), null);
 334     }
 335
 336     public static Eid toEid(DistinguishedNameType dn, InstanceIdType vni) {
 337         EidBuilder builder = new EidBuilder();
 338         builder.setAddressType(DistinguishedNameAfi.class);
 339         builder.setVirtualNetworkId(vni);
 340         builder.setAddress((Address) new DistinguishedNameBuilder().setDistinguishedName(dn).build());
 341         return builder.build();
 342     }
 343
 344     public static Eid asDistinguishedNameEid(String address, long vni) {
 345         return toEid(new MacAddress(address), new InstanceIdType(vni));
 346     }
 347
 348     public static Eid asDistinguishedNameEid(String address) {
 349         return toEid(new DistinguishedNameType(address), null);
 350     }
 351
 352     public static Rloc asKeyValueAddress(String key, SimpleAddress value) {
 353         KeyValueAddressBuilder kvab = new KeyValueAddressBuilder();
 354         kvab.setKey(new SimpleAddress(new DistinguishedNameType(key)));
 355         kvab.setValue(value);
 356         KeyValueAddress address = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.KeyValueAddressBuilder()
 357                 .setKeyValueAddress(kvab.build()).build();
 358         RlocBuilder builder = new RlocBuilder();
 359         builder.setAddressType(KeyValueAddressLcaf.class);
 360         builder.setVirtualNetworkId(null);
 361         builder.setAddress((Address) address);
 362         return builder.build();
 363     }
 364
 365     private static String getStringPrefix(InetAddress address, short mask) {
 366         StringBuilder sb = new StringBuilder();
 367         sb.append(address.getHostAddress());
 368         sb.append("/");
 369         sb.append(mask);
 370         return sb.toString();
 371     }
 372
 373     public static SourceDestKey asSrcDst(String src, String dst, int smask, int dmask) {
 374         SourceDestKeyBuilder builder = new SourceDestKeyBuilder();
 375         builder.setSource(asIpPrefix(src, smask));
 376         builder.setDest(asIpPrefix(dst, dmask));
 377         return builder.build();
 378     }
 379
 380     public static Eid asSrcDstEid(String src, String dst, int smask, int dmask, int vni) {
 381         EidBuilder builder = new EidBuilder();
 382         builder.setAddressType(SourceDestKeyLcaf.class);
 383         builder.setVirtualNetworkId(new InstanceIdType(Long.valueOf(vni)));
 384         builder.setAddress(
 385                 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.SourceDestKeyBuilder()
 386                         .setSourceDestKey(asSrcDst(src, dst, smask, dmask)).build());
 387
 388         return builder.build();
 389     }
 390
 391     public static Eid asSrcDstEid(SourceDestKey sd, int vni) {
 392         EidBuilder builder = new EidBuilder();
 393         builder.setAddressType(SourceDestKeyLcaf.class);
 394         builder.setVirtualNetworkId(new InstanceIdType(Long.valueOf(vni)));
 395         builder.setAddress(
 396                 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.SourceDestKeyBuilder()
 397                         .setSourceDestKey(sd).build());
 398         return builder.build();
 399     }
 400
 401     public static Rloc asTeLcafRloc(List<IpAddress> hopList) {
 402         RlocBuilder teBuilder = new RlocBuilder();
 403         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ExplicitLocatorPathBuilder elpBuilder =
 404                 new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ExplicitLocatorPathBuilder();
 405         ExplicitLocatorPathBuilder teAddrBuilder = new ExplicitLocatorPathBuilder();
 406         teAddrBuilder.setHop(new ArrayList<Hop>());
 407         for (IpAddress hop : hopList) {
 408             HopBuilder hopBuilder = new HopBuilder();
 409             hopBuilder.setAddress(new SimpleAddress(hop));
 410             hopBuilder.setHopId("Hop " + teAddrBuilder.getHop().size());
 411             hopBuilder.setLrsBits(new LrsBits(false, false, false));
 412             teAddrBuilder.getHop().add(hopBuilder.build());
 413         }
 414
 415         elpBuilder.setExplicitLocatorPath(teAddrBuilder.build());
 416         teBuilder.setAddress(elpBuilder.build());
 417         teBuilder.setAddressType(ExplicitLocatorPathLcaf.class);
 418         return teBuilder.build();
 419     }
 420
 421     public static List<LocatorRecord> asLocatorRecords(List<Rloc> locators) {
 422         List<LocatorRecord> locatorRecords = new ArrayList<LocatorRecord>();
 423         for (Rloc locator : locators) {
 424             LocatorRecordBuilder locatorBuilder = new LocatorRecordBuilder();
 425             locatorBuilder.setLocalLocator(false).setRlocProbed(false).setWeight((short) 1).setPriority((short) 1)
 426                     .setMulticastWeight((short) 1).setMulticastPriority((short) 1).setRouted(true)
 427                     .setRloc(locator).setLocatorId("SFC_LISP").build();
 428             locatorRecords.add(locatorBuilder.build());
 429         }
 430         return locatorRecords;
 431     }
 432 }