mappingservice/lisp-proto/src/main/java/org/opendaylight/lispflowmapping/lisp/util/AddressTypeMap.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc.  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.util.HashMap;
  11 import java.util.Map;
  12 import org.opendaylight.lispflowmapping.lisp.type.LispCanonicalAddressFormatEnum;
  13 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704.AddressFamily;
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AfiListLcaf;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ApplicationDataLcaf;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AsNumberAfi;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.DistinguishedNameAfi;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ExplicitLocatorPathLcaf;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.InstanceIdLcaf;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4Afi;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4PrefixAfi;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6Afi;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6PrefixAfi;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.KeyValueAddressLcaf;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Lcaf;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddressFamily;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.MacAfi;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.NoAddressAfi;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ServicePathLcaf;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SourceDestKeyLcaf;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4BinaryAfi;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4PrefixBinaryAfi;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6BinaryAfi;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6PrefixBinaryAfi;
  36
  37 /**
  38  * This class contains static HashMaps of AFIs and LCAF types to LispAddressFamily identities.
  39  *
  40  * @author Lorand Jakab
  41  */
  42 public final class AddressTypeMap {
  43     private static Map<Short, Class<? extends LispAddressFamily>> afiToAddressTypeMap;
  44     private static Map<Short, Class<? extends LispAddressFamily>> lcafToAddressTypeMap;
  45
  46     // Utility class, should not be instantiated
  47     private AddressTypeMap() {
  48     }
  49
  50     private static void initializeAfiMap() {
  51         afiToAddressTypeMap = new HashMap<Short, Class<? extends LispAddressFamily>>();
  52         afiToAddressTypeMap.put((short) 0, NoAddressAfi.class);
  53         afiToAddressTypeMap.put((short) AddressFamily.IpV4.getIntValue(), Ipv4BinaryAfi.class);
  54         afiToAddressTypeMap.put((short) (AddressFamily.IpV4.getIntValue() * -1), Ipv4PrefixBinaryAfi.class);
  55         afiToAddressTypeMap.put((short) AddressFamily.IpV6.getIntValue(), Ipv6BinaryAfi.class);
  56         afiToAddressTypeMap.put((short) (AddressFamily.IpV6.getIntValue() * -1), Ipv6PrefixBinaryAfi.class);
  57         afiToAddressTypeMap.put((short) AddressFamily.DistinguishedName.getIntValue(), DistinguishedNameAfi.class);
  58         afiToAddressTypeMap.put((short) AddressFamily.AsNumber.getIntValue(), AsNumberAfi.class);
  59         afiToAddressTypeMap.put((short) AddressFamily.LispCanonicalAddressFormat.getIntValue(), Lcaf.class);
  60         afiToAddressTypeMap.put((short) AddressFamily._48BitMac.getIntValue(), MacAfi.class);
  61     }
  62
  63     private static void initializeLcafMap() {
  64         lcafToAddressTypeMap = new HashMap<Short, Class<? extends LispAddressFamily>>();
  65         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.LIST.getLispCode(), AfiListLcaf.class);
  66         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.SEGMENT.getLispCode(), InstanceIdLcaf.class);
  67         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.APPLICATION_DATA.getLispCode(),
  68                 ApplicationDataLcaf.class);
  69         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.TRAFFIC_ENGINEERING.getLispCode(),
  70                 ExplicitLocatorPathLcaf.class);
  71         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.SOURCE_DEST.getLispCode(),
  72                 SourceDestKeyLcaf.class);
  73         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.KEY_VALUE.getLispCode(),
  74                 KeyValueAddressLcaf.class);
  75         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.SERVICE_PATH.getLispCode(),
  76                 ServicePathLcaf.class);
  77         // TODO
  78     }
  79
  80     public static Class<? extends LispAddressFamily> getAddressType(short afi) {
  81         if (afiToAddressTypeMap == null) {
  82             initializeAfiMap();
  83         }
  84         return afiToAddressTypeMap.get(afi);
  85     }
  86
  87     public static Class<? extends LispAddressFamily> getLcafType(short lcafType) {
  88         if (lcafToAddressTypeMap == null) {
  89             initializeLcafMap();
  90         }
  91         return lcafToAddressTypeMap.get(lcafType);
  92     }
  93
  94     public static Class<? extends LispAddressFamily> getSimpleAddressInnerType(SimpleAddress address) {
  95         if (address == null) {
  96             return null;
  97         } else if (address.getIpAddress() != null) {
  98             if (address.getIpAddress().getIpv4Address() != null) {
  99                 return Ipv4Afi.class;
 100             } else if (address.getIpAddress().getIpv6Address() != null) {
 101                 return Ipv6Afi.class;
 102             }
 103         } else if (address.getIpPrefix() != null) {
 104             if (address.getIpPrefix().getIpv4Prefix() != null) {
 105                 return Ipv4PrefixAfi.class;
 106             } else if (address.getIpPrefix().getIpv6Prefix() != null) {
 107                 return Ipv6PrefixAfi.class;
 108             }
 109         } else if (address.getMacAddress() != null) {
 110             return MacAfi.class;
 111         } else if (address.getAsNumber() != null) {
 112             return AsNumberAfi.class;
 113         } else if (address.getDistinguishedNameType() != null) {
 114             return DistinguishedNameAfi.class;
 115         }
 116         return null;
 117     }
 118 }