mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/util/LispNotificationHelper.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.implementation.util;
   9
  10 import com.google.common.base.Splitter;
  11 import com.google.common.net.InetAddresses;
  12 import java.net.InetAddress;
  13 import java.net.UnknownHostException;
  14 import java.util.ArrayList;
  15 import java.util.Iterator;
  16 import java.util.List;
  17 import java.util.Set;
  18 import org.opendaylight.lispflowmapping.lisp.type.LispMessage;
  19 import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ApplicationData;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.DistinguishedName;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.KeyValueAddress;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.IpAddressBinary;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.IpAddressBinaryBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.Ipv4AddressBinary;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.Ipv6AddressBinary;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv4Binary;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.augmented.lisp.address.address.Ipv6Binary;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.AddMapping;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.SiteId;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping._record.container.MappingRecord;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapregisternotification.MapRegister;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.transport.address.TransportAddress;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.transport.address.TransportAddressBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.EidUri;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.Mapping;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.MappingBuilder;
  46 import org.opendaylight.yangtools.yang.common.Uint16;
  47 import org.slf4j.Logger;
  48 import org.slf4j.LoggerFactory;
  49
  50 public final class LispNotificationHelper {
  51     private static final Logger LOG = LoggerFactory.getLogger(LispNotificationHelper.class);
  52     private static final Splitter COLON_SPLITTER = Splitter.on(':');
  53
  54     // Utility class, should not be instantiated
  55     private LispNotificationHelper() {
  56     }
  57
  58     public static TransportAddress getTransportAddressFromRloc(Rloc rloc) {
  59         TransportAddressBuilder tab = new TransportAddressBuilder();
  60         Address address = rloc.getAddress();
  61         // once we switch to using Ipv4Binary and Ipv6Binary by default for RLOCs, we will only need to keep the below
  62         // for backwards compatibility reasons, but the default will be to just return the reference for the binary
  63         // object, yey!
  64         if (address instanceof Ipv4) {
  65             String ipv4 = ((Ipv4) address).getIpv4().getValue();
  66             tab.setIpAddress(IpAddressBinaryBuilder.getDefaultInstance(InetAddresses.forString(ipv4).getAddress()));
  67             tab.setPort(new PortNumber(LispMessage.PORT_NUMBER));
  68         } else if (address instanceof Ipv6) {
  69             String ipv6 = ((Ipv6) address).getIpv6().getValue();
  70             tab.setIpAddress(IpAddressBinaryBuilder.getDefaultInstance(InetAddresses.forString(ipv6).getAddress()));
  71             tab.setPort(new PortNumber(LispMessage.PORT_NUMBER));
  72         } else if (address instanceof Ipv4Binary) {
  73             Ipv4AddressBinary ipv6 = ((Ipv4Binary) address).getIpv4Binary();
  74             tab.setIpAddress(new IpAddressBinary(ipv6));
  75             tab.setPort(new PortNumber(LispMessage.PORT_NUMBER));
  76         } else if (address instanceof Ipv6Binary) {
  77             Ipv6AddressBinary ipv6 = ((Ipv6Binary) address).getIpv6Binary();
  78             tab.setIpAddress(new IpAddressBinary(ipv6));
  79             tab.setPort(new PortNumber(LispMessage.PORT_NUMBER));
  80         } else if (address instanceof KeyValueAddress) {
  81             SimpleAddress sa = ((KeyValueAddress) address).getKeyValueAddress().getValue();
  82             if (sa.getDistinguishedNameType() != null) {
  83                 final Iterator<String> it = COLON_SPLITTER.split(sa.getDistinguishedNameType().getValue()).iterator();
  84                 String ip = it.next();
  85                 int port = Integer.valueOf(it.next());
  86
  87                 tab.setIpAddress(IpAddressBinaryBuilder.getDefaultInstance(InetAddresses.forString(ip).getAddress()));
  88                 tab.setPort(new PortNumber(Uint16.valueOf(port)));
  89             }
  90         } else if (address instanceof DistinguishedName) {
  91             DistinguishedName dname = (DistinguishedName) address;
  92             final Iterator<String> it = COLON_SPLITTER.split(dname.getDistinguishedName().getValue()).iterator();
  93             String ip = it.next();
  94             int port = Integer.valueOf(it.next());
  95
  96             tab.setIpAddress(IpAddressBinaryBuilder.getDefaultInstance(InetAddresses.forString(ip).getAddress()));
  97             tab.setPort(new PortNumber(Uint16.valueOf(port)));
  98         } else if (address instanceof ApplicationData) {
  99             ApplicationData appData = (ApplicationData) address;
 100             tab.setIpAddress(getIpAddressBinary(appData.getApplicationData().getAddress().getIpAddress()));
 101             tab.setPort(new PortNumber(appData.getApplicationData().getLocalPortLow().getValue()));
 102         }
 103         return tab.build();
 104     }
 105
 106     public static InetAddress getAddressByName(String ipAddress) {
 107         try {
 108             return InetAddress.getByName(ipAddress);
 109         } catch (UnknownHostException e) {
 110             LOG.debug("Unknown host {}", ipAddress, e);
 111             return null;
 112         }
 113     }
 114
 115     public static List<Mapping> getMapping(AddMapping mapRegisterNotification) {
 116         List<Mapping> mappings = new ArrayList<>();
 117         for (int i = 0; i < mapRegisterNotification.getMapRegister().getMappingRecordItem().size(); i++) {
 118             MappingRecord record = mapRegisterNotification.getMapRegister().getMappingRecordItem().get(i)
 119                     .getMappingRecord();
 120             MappingBuilder mb = new MappingBuilder();
 121             mb.setEidUri(new EidUri(LispAddressStringifier.getURIString(
 122                     record.getEid())));
 123             mb.setOrigin(MappingOrigin.Southbound);
 124             mb.setSiteId(getSiteId(mapRegisterNotification.getMapRegister()));
 125             mb.setMappingRecord(record);
 126             mappings.add(mb.build());
 127         }
 128         return mappings;
 129     }
 130
 131     public static Set<SiteId> getSiteId(MapRegister mapRegister) {
 132         if (mapRegister.getXtrSiteIdPresent()) {
 133             return Set.of(new SiteId(mapRegister.getSiteId()));
 134         } else {
 135             return null;
 136         }
 137     }
 138
 139     // We will see if we need to keep this method post full binary-migration, and if yes, will probably move to
 140     // LispAddressUtil (and add tests!)
 141     private static IpAddressBinary getIpAddressBinary(IpAddress address) {
 142         if (address.getIpv4Address() != null) {
 143             String ipv4 = address.getIpv4Address().getValue();
 144             return IpAddressBinaryBuilder.getDefaultInstance(InetAddresses.forString(ipv4).getAddress());
 145         } else if (address.getIpv6Address() != null) {
 146             String ipv6 = address.getIpv6Address().getValue();
 147             return IpAddressBinaryBuilder.getDefaultInstance(InetAddresses.forString(ipv6).getAddress());
 148         }
 149         return null;
 150     }
 151 }