mappingservice/lisp-proto/src/main/java/org/opendaylight/lispflowmapping/lisp/serializer/address/ApplicationDataSerializer.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.serializer.address;
   9
  10 import static org.opendaylight.yangtools.yang.common.UintConversions.fromJava;
  11
  12 import java.nio.ByteBuffer;
  13
  14 import org.opendaylight.lispflowmapping.lisp.type.LispCanonicalAddressFormatEnum;
  15 import org.opendaylight.lispflowmapping.lisp.util.ByteUtil;
  16 import org.opendaylight.lispflowmapping.lisp.util.NumberUtil;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704.AddressFamily;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.ApplicationDataLcaf;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddress;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.application.data.ApplicationData;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.application.data.ApplicationDataBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.EidBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.RlocBuilder;
  29
  30 public final class ApplicationDataSerializer extends LcafSerializer {
  31
  32     private static final ApplicationDataSerializer INSTANCE = new ApplicationDataSerializer();
  33
  34     // Private constructor prevents instantiation from other classes
  35     private ApplicationDataSerializer() {
  36     }
  37
  38     public static ApplicationDataSerializer getInstance() {
  39         return INSTANCE;
  40     }
  41
  42     @Override
  43     protected byte getLcafType() {
  44         return LispCanonicalAddressFormatEnum.APPLICATION_DATA.getLispCode();
  45     }
  46
  47     @Override
  48     protected short getLcafLength(LispAddress lispAddress) {
  49         ApplicationData appData = ((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
  50                 .rev151105.lisp.address.address.ApplicationData) lispAddress.getAddress()).getApplicationData();
  51         return (short) (Length.ALL_FIELDS + SimpleAddressSerializer.getInstance().getAddressSize(appData.getAddress()));
  52     }
  53
  54     @Override
  55     protected short getAfi() {
  56         return (short) AddressFamily.LispCanonicalAddressFormat.getIntValue();
  57     }
  58
  59     @Override
  60     protected void serializeData(ByteBuffer buffer, LispAddress lispAddress) {
  61         ApplicationData appData = ((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types
  62                 .rev151105.lisp.address.address.ApplicationData) lispAddress.getAddress()).getApplicationData();
  63         buffer.put(ByteUtil.partialIntToByteArray(NumberUtil.asInt(appData.getIpTos()), Length.TOC));
  64         buffer.put((byte) NumberUtil.asShort(appData.getProtocol().toJava()));
  65         if (appData.getLocalPortLow() != null) {
  66             buffer.putShort(NumberUtil.asShort(appData.getLocalPortLow().getValue().shortValue()));
  67         } else {
  68             buffer.putShort((short) 0);
  69         }
  70         if (appData.getLocalPortHigh() != null) {
  71             buffer.putShort(NumberUtil.asShort(appData.getLocalPortHigh().getValue().shortValue()));
  72         } else {
  73             buffer.putShort((short) 0);
  74         }
  75         if (appData.getRemotePortLow() != null) {
  76             buffer.putShort(NumberUtil.asShort(appData.getRemotePortLow().getValue().shortValue()));
  77         } else {
  78             buffer.putShort((short) 0);
  79         }
  80         if (appData.getRemotePortHigh() != null) {
  81             buffer.putShort(NumberUtil.asShort(appData.getRemotePortHigh().getValue().shortValue()));
  82         } else {
  83             buffer.putShort((short) 0);
  84         }
  85         SimpleAddressSerializer.getInstance().serialize(buffer, appData.getAddress());
  86     }
  87
  88     @Override
  89     protected Eid deserializeLcafEidData(ByteBuffer buffer, byte res2, short length, LispAddressSerializerContext ctx) {
  90         EidBuilder eb = new EidBuilder();
  91         eb.setAddressType(ApplicationDataLcaf.class);
  92         eb.setVirtualNetworkId(getVni(ctx));
  93         eb.setAddress(deserializeData(buffer, ctx));
  94         return eb.build();
  95     }
  96
  97     @Override
  98     protected Rloc deserializeLcafRlocData(ByteBuffer buffer, byte res2, short length,
  99             LispAddressSerializerContext ctx) {
 100         RlocBuilder eb = new RlocBuilder();
 101         eb.setAddressType(ApplicationDataLcaf.class);
 102         eb.setVirtualNetworkId(null);
 103         eb.setAddress(deserializeData(buffer, ctx));
 104         return eb.build();
 105     }
 106
 107     private Address deserializeData(ByteBuffer buffer, LispAddressSerializerContext ctx) {
 108         ApplicationDataBuilder builder = new ApplicationDataBuilder();
 109         byte[] rawIPTos = new byte[3];
 110         buffer.get(rawIPTos);
 111         builder.setIpTos(ByteUtil.getPartialInt(rawIPTos));
 112         builder.setProtocol(fromJava((short) ByteUtil.getUnsignedByte(buffer)));
 113         builder.setLocalPortLow(new PortNumber(fromJava(ByteUtil.asUnsignedShort(buffer.getShort()))));
 114         builder.setLocalPortHigh(new PortNumber(fromJava(ByteUtil.asUnsignedShort(buffer.getShort()))));
 115         builder.setRemotePortLow(new PortNumber(fromJava(ByteUtil.asUnsignedShort(buffer.getShort()))));
 116         builder.setRemotePortHigh(new PortNumber(fromJava(ByteUtil.asUnsignedShort(buffer.getShort()))));
 117         SimpleAddress address = SimpleAddressSerializer.getInstance().deserialize(buffer, ctx);
 118         builder.setAddress(address);
 119         return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
 120                 .lisp.address.address.ApplicationDataBuilder().setApplicationData(builder.build()).build();
 121     }
 122
 123     private interface Length {
 124         int LOCAL_PORT_LOW = 2;
 125         int LOCAL_PORT_HIGH = 2;
 126         int REMOTE_PORT_LOW = 2;
 127         int REMOTE_PORT_HIGH = 2;
 128         int TOC = 3;
 129         int PROTOCOL = 1;
 130         int ALL_FIELDS = LOCAL_PORT_LOW + LOCAL_PORT_HIGH + REMOTE_PORT_LOW + REMOTE_PORT_HIGH + TOC + PROTOCOL;
 131     }
 132
 133 }