2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.pcep.ietf.stateful07;
10 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeIpv6Address;
11 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeShort;
12 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedShort;
14 import com.google.common.base.Preconditions;
15 import io.netty.buffer.ByteBuf;
16 import io.netty.buffer.Unpooled;
17 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
18 import org.opendaylight.protocol.pcep.spi.TlvParser;
19 import org.opendaylight.protocol.pcep.spi.TlvSerializer;
20 import org.opendaylight.protocol.pcep.spi.TlvUtil;
21 import org.opendaylight.protocol.util.Ipv6Util;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiers;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiersBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.AddressFamily;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6Case;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6CaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6Builder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.Ipv6ExtendedTunnelId;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.LspId;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.TunnelId;
35 * Parser for {@link LspIdentifiers}
37 public final class Stateful07LSPIdentifierIpv6TlvParser implements TlvParser, TlvSerializer {
39 public static final int TYPE = 19;
41 private static final int V6_LENGTH = 52;
44 public LspIdentifiers parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
48 if (buffer.readableBytes() != V6_LENGTH) {
49 throw new IllegalArgumentException("Length " + buffer.readableBytes() + " does not match LSP Identifiers Ipv6 tlv length.");
51 final Ipv6Builder builder = new Ipv6Builder();
52 builder.setIpv6TunnelSenderAddress(Ipv6Util.addressForByteBuf(buffer));
53 final LspId lspId = new LspId((long) buffer.readUnsignedShort());
54 final TunnelId tunnelId = new TunnelId(buffer.readUnsignedShort());
55 builder.setIpv6ExtendedTunnelId(new Ipv6ExtendedTunnelId(Ipv6Util.addressForByteBuf(buffer)));
56 builder.setIpv6TunnelEndpointAddress(Ipv6Util.addressForByteBuf(buffer));
57 final AddressFamily afi = new Ipv6CaseBuilder().setIpv6(builder.build()).build();
58 return new LspIdentifiersBuilder().setAddressFamily(afi).setLspId(lspId).setTunnelId(tunnelId).build();
62 public void serializeTlv(final Tlv tlv, final ByteBuf buffer) {
63 Preconditions.checkArgument(tlv instanceof LspIdentifiers, "LspIdentifiersTlv is mandatory.");
64 final LspIdentifiers lsp = (LspIdentifiers) tlv;
65 final ByteBuf body = Unpooled.buffer();
66 final Ipv6 ipv6 = ((Ipv6Case) lsp.getAddressFamily()).getIpv6();
67 Preconditions.checkArgument(ipv6.getIpv6TunnelSenderAddress() != null, "Ipv6TunnelSenderAddress is mandatory.");
68 writeIpv6Address(ipv6.getIpv6TunnelSenderAddress(), body);
69 Preconditions.checkArgument(lsp.getLspId() != null, "LspId is mandatory.");
70 writeShort(lsp.getLspId().getValue().shortValue(), body);
71 Preconditions.checkArgument(lsp.getTunnelId() != null, "TunnelId is mandatory.");
72 writeUnsignedShort(lsp.getTunnelId().getValue(), body);
73 Preconditions.checkArgument(ipv6.getIpv6ExtendedTunnelId() != null, "Ipv6ExtendedTunnelId is mandatory.");
74 writeIpv6Address(ipv6.getIpv6ExtendedTunnelId(), body);
75 Preconditions.checkArgument(ipv6.getIpv6TunnelEndpointAddress() != null, "Ipv6TunnelEndpointAddress is mandatory.");
76 writeIpv6Address(ipv6.getIpv6TunnelEndpointAddress(), body);
77 TlvUtil.formatTlv(TYPE, body, buffer);