rsvp/impl/src/main/java/org/opendaylight/protocol/rsvp/parser/impl/subobject/rro/SRROBasicProtectionSubobjectParser.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, 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.protocol.rsvp.parser.impl.subobject.rro;
   9
  10 import com.google.common.base.Preconditions;
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.Unpooled;
  13 import org.opendaylight.protocol.rsvp.parser.impl.te.ProtectionCommonParser;
  14 import org.opendaylight.protocol.rsvp.parser.spi.RROSubobjectParser;
  15 import org.opendaylight.protocol.rsvp.parser.spi.RROSubobjectSerializer;
  16 import org.opendaylight.protocol.rsvp.parser.spi.RSVPParsingException;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.protection.subobject.ProtectionSubobject;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.list.SubobjectContainer;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.list.SubobjectContainerBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.secondary.record.route.subobjects.subobject.type.BasicProtectionCase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.secondary.record.route.subobjects.subobject.type.BasicProtectionCaseBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.secondary.record.route.subobjects.subobject.type.DynamicControlProtectionCaseBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.secondary.record.route.subobjects.subobject.type.basic.protection._case.BasicProtectionBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.secondary.record.route.subobjects.subobject.type.dynamic.control.protection._case.DynamicControlProtectionBuilder;
  25
  26 /**
  27  * Parser for {@link BasicProtectionCase}.
  28  */
  29 public class SRROBasicProtectionSubobjectParser extends ProtectionCommonParser
  30         implements RROSubobjectParser, RROSubobjectSerializer {
  31     public static final int TYPE = 37;
  32     public static final short CTYPE = 1;
  33
  34     @Override
  35     public SubobjectContainer parseSubobject(final ByteBuf buffer) throws RSVPParsingException {
  36         Preconditions.checkArgument(buffer != null && buffer.isReadable(),
  37             "Array of bytes is mandatory. Can't be null or empty.");
  38         final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
  39         //skip reserved
  40         buffer.readByte();
  41         final short cType = buffer.readUnsignedByte();
  42         final ProtectionSubobject prot = parseCommonProtectionBody(cType, buffer);
  43         if (cType == CTYPE) {
  44             builder.setSubobjectType(new BasicProtectionCaseBuilder().setBasicProtection(new BasicProtectionBuilder()
  45                 .setProtectionSubobject(prot).build()).build());
  46         } else if (cType == SRRODynamicProtectionSubobjectParser.CTYPE) {
  47             builder.setSubobjectType(new DynamicControlProtectionCaseBuilder().setDynamicControlProtection(new
  48                 DynamicControlProtectionBuilder().setProtectionSubobject(prot).build()).build());
  49         }
  50         return builder.build();
  51     }
  52
  53
  54     @Override
  55     public void serializeSubobject(final SubobjectContainer subobject, final ByteBuf buffer) {
  56         Preconditions.checkArgument(subobject.getSubobjectType() instanceof BasicProtectionCase,
  57             "Unknown subobject instance. Passed %s. Needed UnnumberedCase.",
  58             subobject.getSubobjectType().getClass());
  59         final ProtectionSubobject protObj = ((BasicProtectionCase) subobject.getSubobjectType()).getBasicProtection()
  60             .getProtectionSubobject();
  61         final ByteBuf body = Unpooled.buffer();
  62         serializeBody(CTYPE, protObj, body);
  63         RROSubobjectUtil.formatSubobject(TYPE, body, buffer);
  64     }
  65 }