mappingservice/dsbackend/src/main/java/org/opendaylight/lispflowmapping/dsbackend/InstanceIdentifierUtil.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.dsbackend;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
  12 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
  13 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.InstanceId;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.XtrId;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.EidUri;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingDatabase;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.VniUri;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.XtrIdUri;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKeyKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.Mapping;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.MappingKey;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.mapping.XtrIdMapping;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.mapping.XtrIdMappingKey;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifier;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifierKey;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30
  31 /**
  32  * Utility class to create InstanceIdentifier path objects based on EID.
  33  * Used for storing RPC data to the config datastore.
  34  *
  35  * @author Lorand Jakab
  36  *
  37  */
  38 public final class InstanceIdentifierUtil {
  39     // Utility class, should not be instantiated
  40     private InstanceIdentifierUtil() {
  41     }
  42
  43     public static InstanceIdentifier<AuthenticationKey> createAuthenticationKeyIid(Eid eid) {
  44         Preconditions.checkNotNull(eid, "Key needs and EID entry!");
  45
  46         VirtualNetworkIdentifierKey vniKey = new VirtualNetworkIdentifierKey(new VniUri(
  47                 Long.toString(getLispInstanceId(eid))));
  48         AuthenticationKeyKey authKeyKey = new AuthenticationKeyKey(new EidUri(
  49                 LispAddressStringifier.getURIString(eid)));
  50         return InstanceIdentifier.create(MappingDatabase.class)
  51                 .child(VirtualNetworkIdentifier.class, vniKey).child(AuthenticationKey.class, authKeyKey);
  52     }
  53
  54     public static InstanceIdentifier<Mapping> createMappingIid(Eid eid, MappingOrigin orig) {
  55         Preconditions.checkNotNull(eid, "Mapping needs an EID entry!");
  56
  57         VirtualNetworkIdentifierKey vniKey = new VirtualNetworkIdentifierKey(new VniUri(
  58                 Long.toString(getLispInstanceId(eid))));
  59         MappingKey eidKey = new MappingKey(new EidUri(LispAddressStringifier.getURIString(eid)), orig);
  60         return InstanceIdentifier.create(MappingDatabase.class)
  61                 .child(VirtualNetworkIdentifier.class, vniKey).child(Mapping.class, eidKey);
  62     }
  63
  64     public static InstanceIdentifier<XtrIdMapping> createXtrIdMappingIid(Eid eid, MappingOrigin orig, XtrId xtrId) {
  65         Preconditions.checkNotNull(eid, "Mapping needs an EID entry!");
  66         Preconditions.checkNotNull(xtrId, "Mapping needs an xTR-ID entry!");
  67
  68         VirtualNetworkIdentifierKey vniKey = new VirtualNetworkIdentifierKey(new VniUri(
  69                 Long.toString(getLispInstanceId(eid))));
  70         MappingKey eidKey = new MappingKey(new EidUri(LispAddressStringifier.getURIString(eid)), orig);
  71         XtrIdMappingKey xtrIdKey = new XtrIdMappingKey(new XtrIdUri(LispAddressStringifier.getURIString(xtrId)));
  72         return InstanceIdentifier.create(MappingDatabase.class)
  73                 .child(VirtualNetworkIdentifier.class, vniKey).child(Mapping.class, eidKey)
  74                 .child(XtrIdMapping.class, xtrIdKey);
  75     }
  76
  77     private static long getLispInstanceId(Eid eid) {
  78         Address address = eid.getAddress();
  79         if (address instanceof InstanceId) {
  80             return ((InstanceId) address).getInstanceId().getIid().getValue();
  81         } else if (eid.getVirtualNetworkId() != null) {
  82             return eid.getVirtualNetworkId().getValue();
  83         }
  84         return 0L;
  85     }
  86 }