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
  13 import org.opendaylight.lispflowmapping.lisp.type.LispCanonicalAddressFormatEnum;
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704.AddressFamily;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AfiListLcaf;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ApplicationDataLcaf;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AsNumberAfi;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.DistinguishedNameAfi;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ExplicitLocatorPathLcaf;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.InstanceIdLcaf;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4Afi;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4PrefixAfi;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6Afi;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6PrefixAfi;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.KeyValueAddressLcaf;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Lcaf;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddressFamily;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.MacAfi;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.NoAddressAfi;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ServicePathLcaf;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SourceDestKeyLcaf;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4BinaryAfi;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv4PrefixBinaryAfi;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6BinaryAfi;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.binary.address.types.rev160504.Ipv6PrefixBinaryAfi;
  37
  38 /**
  39  * This class contains static HashMaps of AFIs and LCAF types to LispAddressFamily identities.
  40  *
  41  * @author Lorand Jakab
  42  *
  43  */
  44 public final class AddressTypeMap {
  45     private static Map<Short, Class<? extends LispAddressFamily>> afiToAddressTypeMap;
  46     private static Map<Short, Class<? extends LispAddressFamily>> lcafToAddressTypeMap;
  47
  48     // Utility class, should not be instantiated
  49     private AddressTypeMap() {
  50     }
  51
  52     private static void initializeAfiMap() {
  53         afiToAddressTypeMap = new HashMap<Short, Class<? extends LispAddressFamily>>();
  54         afiToAddressTypeMap.put((short) 0, NoAddressAfi.class);
  55         afiToAddressTypeMap.put((short) AddressFamily.IpV4.getIntValue(), Ipv4BinaryAfi.class);
  56         afiToAddressTypeMap.put((short) (AddressFamily.IpV4.getIntValue() * -1), Ipv4PrefixBinaryAfi.class);
  57         afiToAddressTypeMap.put((short) AddressFamily.IpV6.getIntValue(), Ipv6BinaryAfi.class);
  58         afiToAddressTypeMap.put((short) (AddressFamily.IpV6.getIntValue() * -1), Ipv6PrefixBinaryAfi.class);
  59         afiToAddressTypeMap.put((short) AddressFamily.DistinguishedName.getIntValue(), DistinguishedNameAfi.class);
  60         afiToAddressTypeMap.put((short) AddressFamily.AsNumber.getIntValue(), AsNumberAfi.class);
  61         afiToAddressTypeMap.put((short) AddressFamily.LispCanonicalAddressFormat.getIntValue(), Lcaf.class);
  62         afiToAddressTypeMap.put((short) AddressFamily._48BitMac.getIntValue(), MacAfi.class);
  63     }
  64
  65     private static void initializeLcafMap() {
  66         lcafToAddressTypeMap = new HashMap<Short, Class<? extends LispAddressFamily>>();
  67         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.LIST.getLispCode(), AfiListLcaf.class);
  68         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.SEGMENT.getLispCode(), InstanceIdLcaf.class);
  69         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.APPLICATION_DATA.getLispCode(),
  70                 ApplicationDataLcaf.class);
  71         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.TRAFFIC_ENGINEERING.getLispCode(),
  72                 ExplicitLocatorPathLcaf.class);
  73         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.SOURCE_DEST.getLispCode(),
  74                 SourceDestKeyLcaf.class);
  75         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.KEY_VALUE.getLispCode(),
  76                 KeyValueAddressLcaf.class);
  77         lcafToAddressTypeMap.put((short) LispCanonicalAddressFormatEnum.SERVICE_PATH.getLispCode(),
  78                 ServicePathLcaf.class);
  79         // TODO
  80     }
  81
  82     public static Class<? extends LispAddressFamily> getAddressType(short afi) {
  83         if (afiToAddressTypeMap == null) {
  84             initializeAfiMap();
  85         }
  86         return afiToAddressTypeMap.get(afi);
  87     }
  88
  89     public static Class<? extends LispAddressFamily> getLcafType(short lcafType) {
  90         if (lcafToAddressTypeMap == null) {
  91             initializeLcafMap();
  92         }
  93         return lcafToAddressTypeMap.get(lcafType);
  94     }
  95
  96     public static Class<? extends LispAddressFamily> getSimpleAddressInnerType(SimpleAddress address) {
  97         if (address == null) {
  98             return null;
  99         } else if (address.getIpAddress() != null) {
 100             if (address.getIpAddress().getIpv4Address() != null) {
 101                 return Ipv4Afi.class;
 102             } else if (address.getIpAddress().getIpv6Address() != null) {
 103                 return Ipv6Afi.class;
 104             }
 105         } else if (address.getIpPrefix() != null) {
 106             if (address.getIpPrefix().getIpv4Prefix() != null) {
 107                 return Ipv4PrefixAfi.class;
 108             } else if (address.getIpPrefix().getIpv6Prefix() != null) {
 109                 return Ipv6PrefixAfi.class;
 110             }
 111         } else if (address.getMacAddress() != null) {
 112             return MacAfi.class;
 113         } else if (address.getAsNumber() != null) {
 114             return AsNumberAfi.class;
 115         } else if (address.getDistinguishedNameType() != null) {
 116             return DistinguishedNameAfi.class;
 117         }
 118         return null;
 119     }
 120 }