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 com.google.common.base.Preconditions.checkArgument;
11 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeIpv6Address;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
16 import org.opendaylight.protocol.pcep.spi.TlvParser;
17 import org.opendaylight.protocol.pcep.spi.TlvSerializer;
18 import org.opendaylight.protocol.pcep.spi.TlvUtil;
19 import org.opendaylight.protocol.util.Ipv6Util;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.LspIdentifiers;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.LspIdentifiersBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.lsp.identifiers.AddressFamily;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6Case;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6CaseBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6Builder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Tlv;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.Ipv6ExtendedTunnelId;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.LspId;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.TunnelId;
31 import org.opendaylight.yangtools.yang.common.Uint32;
32 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
35 * Parser for {@link LspIdentifiers}.
37 public final class Stateful07LSPIdentifierIpv6TlvParser implements TlvParser, TlvSerializer {
38 public static final int TYPE = 19;
40 private static final int V6_LENGTH = 52;
43 public LspIdentifiers parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
47 checkArgument(buffer.readableBytes() == V6_LENGTH, "Length %s does not match LSP Identifiers Ipv6 tlv length.",
48 buffer.readableBytes());
49 final Ipv6Builder builder = new Ipv6Builder();
50 builder.setIpv6TunnelSenderAddress(Ipv6Util.noZoneAddressForByteBuf(buffer));
51 final LspId lspId = new LspId(Uint32.valueOf(buffer.readUnsignedShort()));
52 final TunnelId tunnelId = new TunnelId(ByteBufUtils.readUint16(buffer));
53 builder.setIpv6ExtendedTunnelId(new Ipv6ExtendedTunnelId(Ipv6Util.noZoneAddressForByteBuf(buffer)));
54 builder.setIpv6TunnelEndpointAddress(Ipv6Util.noZoneAddressForByteBuf(buffer));
55 final AddressFamily afi = new Ipv6CaseBuilder().setIpv6(builder.build()).build();
56 return new LspIdentifiersBuilder().setAddressFamily(afi).setLspId(lspId).setTunnelId(tunnelId).build();
60 public void serializeTlv(final Tlv tlv, final ByteBuf buffer) {
61 checkArgument(tlv instanceof LspIdentifiers, "LspIdentifiersTlv is mandatory.");
62 final LspIdentifiers lsp = (LspIdentifiers) tlv;
63 final ByteBuf body = Unpooled.buffer();
64 final Ipv6 ipv6 = ((Ipv6Case) lsp.getAddressFamily()).getIpv6();
65 checkArgument(ipv6.getIpv6TunnelSenderAddress() != null, "Ipv6TunnelSenderAddress is mandatory.");
66 writeIpv6Address(ipv6.getIpv6TunnelSenderAddress(), body);
68 final LspId lspId = lsp.getLspId();
69 checkArgument(lspId != null, "LspId is mandatory.");
70 body.writeShort(lspId.getValue().shortValue());
71 final TunnelId tunnelId = lsp.getTunnelId();
72 checkArgument(tunnelId != null, "TunnelId is mandatory.");
73 ByteBufUtils.write(body, tunnelId.getValue());
74 checkArgument(ipv6.getIpv6ExtendedTunnelId() != null, "Ipv6ExtendedTunnelId is mandatory.");
75 writeIpv6Address(ipv6.getIpv6ExtendedTunnelId(), body);
76 checkArgument(ipv6.getIpv6TunnelEndpointAddress() != null, "Ipv6TunnelEndpointAddress is mandatory.");
77 writeIpv6Address(ipv6.getIpv6TunnelEndpointAddress(), body);
78 TlvUtil.formatTlv(TYPE, body, buffer);