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Example 41 with Attribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute in project bgpcep by opendaylight.

the class BGPParserTest method testEORIpv4.

/*
     * End of Rib for Ipv4.
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 17 <- length (23) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 00 <- total path attribute length
     */
@Test
public void testEORIpv4() throws Exception {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(5), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(5), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    assertEquals(new UpdateBuilder().build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(5), ByteArray.readAllBytes(buffer));
}
Also used : UpdateBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.UpdateBuilder) Update(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Update) ByteBuf(io.netty.buffer.ByteBuf) PeerSpecificParserConstraint(org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint) Test(org.junit.Test)

Example 42 with Attribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute in project bgpcep by opendaylight.

the class SimpleAttributeRegistry method parseAttributes.

@Override
public ParsedAttributes parseAttributes(final ByteBuf buffer, final PeerSpecificParserConstraint constraint) throws BGPDocumentedException, BGPParsingException {
    final RevisedErrorHandling errorHandling = RevisedErrorHandling.from(constraint);
    final Map<Integer, RawAttribute> attributes = new TreeMap<>();
    BGPTreatAsWithdrawException withdrawCause = null;
    while (buffer.isReadable()) {
        try {
            addAttribute(buffer, errorHandling, attributes);
        } catch (BGPTreatAsWithdrawException e) {
            LOG.info("Failed to completely parse attributes list.");
            withdrawCause = e;
            break;
        }
    }
    /*
         * TreeMap guarantees that we will be invoking the parser in the order
         * of increasing attribute type.
         */
    // We may have multiple attribute errors, each specifying a withdraw. We need to finish parsing the message
    // all attributes before we can decide whether we can discard attributes, or whether we need to terminate
    // the session.
    final AttributesBuilder builder = new AttributesBuilder();
    for (final Entry<Integer, RawAttribute> entry : attributes.entrySet()) {
        LOG.debug("Parsing attribute type {}", entry.getKey());
        final RawAttribute a = entry.getValue();
        try {
            a.parser.parseAttribute(a.buffer, builder, errorHandling, constraint);
        } catch (BGPTreatAsWithdrawException e) {
            LOG.info("Attribute {} indicated treat-as-withdraw", entry.getKey(), e);
            if (withdrawCause == null) {
                withdrawCause = e;
            } else {
                withdrawCause.addSuppressed(e);
            }
        }
    }
    builder.setUnrecognizedAttributes(BindingMap.ordered(this.unrecognizedAttributes));
    return new ParsedAttributes(builder.build(), withdrawCause);
}
Also used : RevisedErrorHandling(org.opendaylight.protocol.bgp.parser.spi.RevisedErrorHandling) BGPTreatAsWithdrawException(org.opendaylight.protocol.bgp.parser.BGPTreatAsWithdrawException) ParsedAttributes(org.opendaylight.protocol.bgp.parser.spi.ParsedAttributes) TreeMap(java.util.TreeMap) UnrecognizedAttributesBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.UnrecognizedAttributesBuilder) AttributesBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder)

Example 43 with Attribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute in project bgpcep by opendaylight.

the class BGPSynchronization method updReceived.

/**
 * For each received Update message, the upd sync variable needs to be updated to true, for particular AFI/SAFI
 * combination. Currently we only assume Unicast SAFI. From the Update message we have to extract the AFI. Each
 * Update message can contain BGP Object with one type of AFI. If the object is BGP Link, BGP Node or a BGPPrefix
 * the AFI is Linkstate. In case of BGPRoute, the AFI depends on the IP Address of the prefix.
 *
 * @param msg received Update message
 */
public void updReceived(final Update msg) {
    TablesKey type = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
    boolean isEOR = false;
    if (msg.getNlri() == null && msg.getWithdrawnRoutes() == null) {
        final Attributes attrs = msg.getAttributes();
        if (attrs != null) {
            if (attrs.augmentation(AttributesReach.class) != null) {
                final AttributesReach pa = attrs.augmentation(AttributesReach.class);
                if (pa.getMpReachNlri() != null) {
                    type = new TablesKey(pa.getMpReachNlri().getAfi(), pa.getMpReachNlri().getSafi());
                }
            } else if (attrs.augmentation(AttributesUnreach.class) != null) {
                final AttributesUnreach pa = attrs.augmentation(AttributesUnreach.class);
                if (pa.getMpUnreachNlri() != null) {
                    type = new TablesKey(pa.getMpUnreachNlri().getAfi(), pa.getMpUnreachNlri().getSafi());
                }
                if (pa.getMpUnreachNlri().getWithdrawnRoutes() == null) {
                    // EOR message contains only MPUnreach attribute and no NLRI
                    isEOR = true;
                }
            }
        } else {
            // true for empty Update Message
            isEOR = true;
        }
    }
    syncType(type, isEOR);
}
Also used : TablesKey(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey) AttributesReach(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesReach) Attributes(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes) AttributesUnreach(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesUnreach)

Example 44 with Attribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute in project bgpcep by opendaylight.

the class LinkstateTopologyBuilder method createLink.

private void createLink(final WriteTransaction trans, final UriBuilder base, final LinkstateRoute value, final LinkCase linkCase, final Attributes attributes) {
    // defensive lookup
    final LinkAttributes la;
    final Attributes1 attr = attributes.augmentation(Attributes1.class);
    if (attr != null) {
        final LinkStateAttribute attrType = attr.getLinkStateAttribute();
        if (attrType != null) {
            la = ((LinkAttributesCase) attrType).getLinkAttributes();
        } else {
            LOG.debug("Missing attribute type in link {} route {}, skipping it", linkCase, value);
            la = null;
        }
    } else {
        LOG.debug("Missing attributes in link {} route {}, skipping it", linkCase, value);
        la = null;
    }
    final IgpLinkAttributesBuilder ilab = new IgpLinkAttributesBuilder();
    Long adjSid = null;
    if (la != null) {
        if (la.getMetric() != null) {
            ilab.setMetric(la.getMetric().getValue());
        }
        ilab.setName(la.getLinkName());
        if (la.getSrAdjIds() != null && !la.getSrAdjIds().isEmpty()) {
            final SrAdjIds srAdjIds = la.getSrAdjIds().get(0);
            if (srAdjIds != null) {
                final SidLabelIndex sidLabelIndex = srAdjIds.getSidLabelIndex();
                if (sidLabelIndex instanceof LocalLabelCase) {
                    adjSid = ((LocalLabelCase) sidLabelIndex).getLocalLabel().getValue().longValue();
                }
            }
        }
    }
    ProtocolUtil.augmentProtocolId(value, ilab, la, linkCase.getLinkDescriptors());
    final LinkBuilder lb = new LinkBuilder().setLinkId(buildLinkId(base, linkCase)).addAugmentation(new Link1Builder().setIgpLinkAttributes(ilab.build()).build());
    final NodeId srcNode = buildNodeId(base, linkCase.getLocalNodeDescriptors());
    LOG.trace("Link {} implies source node {}", linkCase, srcNode);
    final NodeId dstNode = buildNodeId(base, linkCase.getRemoteNodeDescriptors());
    LOG.trace("Link {} implies destination node {}", linkCase, dstNode);
    final TerminationPoint srcTp = buildLocalTp(base, linkCase.getLinkDescriptors());
    LOG.trace("Link {} implies source TP {}", linkCase, srcTp);
    final TerminationPoint dstTp = buildRemoteTp(base, linkCase.getLinkDescriptors());
    LOG.trace("Link {} implies destination TP {}", linkCase, dstTp);
    lb.setSource(new SourceBuilder().setSourceNode(srcNode).setSourceTp(srcTp.getTpId()).build());
    lb.setDestination(new DestinationBuilder().setDestNode(dstNode).setDestTp(dstTp.getTpId()).build());
    LOG.trace("Created TP {} as link source", srcTp);
    NodeHolder snh = this.nodes.get(srcNode);
    if (snh == null) {
        snh = getNode(srcNode);
        snh.addTp(srcTp, lb.getLinkId(), false);
        if (adjSid != null) {
            snh.createSrHolderIfRequired().addAdjacencySid(trans, false, lb.getLinkId(), adjSid);
        }
        putNode(trans, snh);
    } else {
        snh.addTp(srcTp, lb.getLinkId(), false);
        if (adjSid != null) {
            snh.createSrHolderIfRequired().addAdjacencySid(trans, true, lb.getLinkId(), adjSid);
        }
        final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(snh.getNodeId()));
        trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, srcTp.key()), srcTp);
    }
    if (adjSid != null) {
        lb.addAugmentation(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.Link1Builder().setSegment(new SegmentId(Uint32.valueOf(adjSid))).build());
    }
    LOG.debug("Created TP {} as link destination", dstTp);
    NodeHolder dnh = this.nodes.get(dstNode);
    if (dnh == null) {
        dnh = getNode(dstNode);
        dnh.addTp(dstTp, lb.getLinkId(), true);
        putNode(trans, dnh);
    } else {
        dnh.addTp(dstTp, lb.getLinkId(), true);
        final InstanceIdentifier<Node> nid = getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node.class, new NodeKey(dnh.getNodeId()));
        trans.put(LogicalDatastoreType.OPERATIONAL, nid.child(TerminationPoint.class, dstTp.key()), dstTp);
    }
    final InstanceIdentifier<Link> lid = buildLinkIdentifier(lb.getLinkId());
    final Link link = lb.build();
    trans.put(LogicalDatastoreType.OPERATIONAL, lid, link);
    LOG.debug("Created link {} at {} for {}", link, lid, linkCase);
}
Also used : Preconditions(com.google.common.base.Preconditions) Node(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node) LinkStateAttribute(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute) Link1Builder(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Link1Builder) LinkAttributes(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributes) SrAdjIds(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.attribute.SrAdjIds) LocalLabelCase(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev200120.sid.label.index.sid.label.index.LocalLabelCase) NodeKey(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey) IgpLinkAttributesBuilder(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.link.attributes.IgpLinkAttributesBuilder) SegmentId(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId) SourceBuilder(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.SourceBuilder) LinkBuilder(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder) Attributes1(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.routes.linkstate.routes.linkstate.route.Attributes1) NodeId(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId) DestinationBuilder(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.DestinationBuilder) SidLabelIndex(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev200120.sid.label.index.SidLabelIndex) TerminationPoint(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint) Link(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link)

Example 45 with Attribute

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute in project bgpcep by opendaylight.

the class LinkstateTopologyBuilder method createPrefix.

private void createPrefix(final WriteTransaction trans, final UriBuilder base, final LinkstateRoute value, final PrefixCase prefixCase, final Attributes attributes) {
    final IpPrefix ippfx = prefixCase.getPrefixDescriptors().getIpReachabilityInformation();
    if (ippfx == null) {
        LOG.warn("IP reachability not present in prefix {} route {}, skipping it", prefixCase, value);
        return;
    }
    final PrefixBuilder pb = new PrefixBuilder();
    final PrefixKey pk = new PrefixKey(ippfx);
    pb.withKey(pk);
    pb.setPrefix(ippfx);
    final PrefixAttributes pa;
    // Very defensive lookup
    final Attributes1 attr = attributes.augmentation(Attributes1.class);
    if (attr != null) {
        final LinkStateAttribute attrType = attr.getLinkStateAttribute();
        if (attrType != null) {
            pa = ((PrefixAttributesCase) attrType).getPrefixAttributes();
        } else {
            LOG.debug("Missing attribute type in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
            pa = null;
        }
    } else {
        LOG.debug("Missing attributes in IP {} prefix {} route {}, skipping it", ippfx, prefixCase, value);
        pa = null;
    }
    SrPrefix srPrefix = null;
    if (pa != null) {
        if (pa.getPrefixMetric() != null) {
            pb.setMetric(pa.getPrefixMetric().getValue());
        }
        if (pa.getSrPrefix() != null) {
            srPrefix = pa.getSrPrefix();
        }
    }
    ProtocolUtil.augmentProtocolId(value, pa, pb);
    final Prefix pfx = pb.build();
    LOG.debug("Created prefix {} for {}", pfx, prefixCase);
    /*
         * All set, but... the hosting node may not exist, we may need to fake it.
         */
    final NodeId node = buildNodeId(base, prefixCase.getAdvertisingNodeDescriptors());
    NodeHolder nh = this.nodes.get(node);
    if (nh == null) {
        nh = getNode(node);
        nh.addPrefix(pfx);
        if (srPrefix != null) {
            nh.createSrHolderIfRequired().addSrPrefix(trans, false, ippfx, srPrefix);
        }
        putNode(trans, nh);
    } else {
        nh.addPrefix(pfx);
        if (srPrefix != null) {
            nh.createSrHolderIfRequired().addSrPrefix(trans, true, ippfx, srPrefix);
        }
        final InstanceIdentifier<Node> nid = getNodeInstanceIdentifier(new NodeKey(nh.getNodeId()));
        final InstanceIdentifier<IgpNodeAttributes> inaId = nid.builder().augmentation(Node1.class).child(IgpNodeAttributes.class).build();
        trans.put(LogicalDatastoreType.OPERATIONAL, inaId.child(Prefix.class, pk), pfx);
    }
}
Also used : PrefixKey(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.PrefixKey) PrefixAttributes(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributes) Node(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node) Attributes1(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.routes.linkstate.routes.linkstate.route.Attributes1) SrPrefix(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix) Prefix(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.Prefix) IpPrefix(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix) IgpNodeAttributes(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributes) LinkStateAttribute(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.linkstate.path.attribute.LinkStateAttribute) PrefixBuilder(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.PrefixBuilder) IpPrefix(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix) SrPrefix(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev200120.prefix.state.SrPrefix) NodeId(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId) NodeKey(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey)

Aggregations

ByteBuf (io.netty.buffer.ByteBuf)42 Attributes (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.Attributes)25 PeerSpecificParserConstraint (org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint)21 ArrayList (java.util.ArrayList)19 Test (org.junit.Test)17 Update (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Update)15 UpdateBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.UpdateBuilder)10 Attributes (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes)10 AttributesBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder)10 AsNumber (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber)8 Ipv4AddressNoZone (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone)8 AsPathBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder)8 Attributes2 (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.Attributes2)8 Ipv4Prefix (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix)7 OriginBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.OriginBuilder)7 Attributes1 (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.Attributes1)7 Ipv4NextHopCase (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.Ipv4NextHopCase)7 Ipv4NextHopCaseBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.Ipv4NextHopCaseBuilder)7 Ipv4NextHopBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder)7 Attribute (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute)7