Examples with GracefulRestartCapability org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability used on opensource projects

Example 1 with GracefulRestartCapability

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability in project bgpcep by opendaylight.

the class GracefulCapabilityHandler method serializeCapability.

private ByteBuf serializeCapability(final GracefulRestartCapability grace) {
    final Map<TablesKey, Tables> tables = grace.getTables();
    final int tablesSize = tables != null ? tables.size() : 0;
    final ByteBuf bytes = Unpooled.buffer(HEADER_SIZE + PER_AFI_SAFI_SIZE * tablesSize);
    Uint16 time = grace.getRestartTime();
    if (time == null) {
        time = Uint16.ZERO;
    }
    final int timeval = time.toJava();
    Preconditions.checkArgument(timeval >= 0 && timeval <= MAX_RESTART_TIME, "Restart time is " + time);
    final GracefulRestartCapability.RestartFlags flags = grace.getRestartFlags();
    if (flags != null && flags.getRestartState()) {
        bytes.writeShort(RESTART_FLAG_STATE | timeval);
    } else {
        bytes.writeShort(timeval);
    }
    serializeTables(tables, bytes);
    return bytes;
}

Example 2 with GracefulRestartCapability

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability in project bgpcep by opendaylight.

the class BGPPeer method onSessionUp.

@Override
public synchronized void onSessionUp(final BGPSession session) {
    this.currentSession = session;
    this.sessionUp = true;
    this.ribOutChain = this.rib.createPeerDOMChain(new DOMTransactionChainListener() {

        @Override
        public void onTransactionChainSuccessful(final DOMTransactionChain chain) {
            LOG.debug("RibOut transaction chain {} successful.", chain);
        }

        @Override
        public void onTransactionChainFailed(final DOMTransactionChain chain, final DOMDataTreeTransaction transaction, final Throwable cause) {
            onRibOutChainFailed(cause);
        }
    });
    if (this.currentSession instanceof BGPSessionStateProvider) {
        ((BGPSessionStateProvider) this.currentSession).registerMessagesCounter(this);
    }
    final GracefulRestartCapability advertisedGracefulRestartCapability = session.getAdvertisedGracefulRestartCapability();
    final var advertisedTables = advertisedGracefulRestartCapability.getTables();
    final var advertisedLLTables = session.getAdvertisedLlGracefulRestartCapability().getTables();
    final List<AddressFamilies> addPathTablesType = session.getAdvertisedAddPathTableTypes();
    final Set<BgpTableType> advertizedTableTypes = session.getAdvertisedTableTypes();
    LOG.info("Session with peer {} went up with tables {} and Add Path tables {}", getName(), advertizedTableTypes, addPathTablesType);
    final Set<TablesKey> setTables = advertizedTableTypes.stream().map(t -> new TablesKey(t.getAfi(), t.getSafi())).collect(Collectors.toSet());
    this.tables = ImmutableSet.copyOf(setTables);
    this.addPathTableMaps = mapTableTypesFamilies(addPathTablesType);
    final boolean restartingLocally = isLocalRestarting();
    if (!restartingLocally) {
        addBgp4Support();
    }
    if (!isRestartingGracefully()) {
        this.peerId = RouterIds.createPeerId(session.getBgpId());
        final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.Peer, PeerKey> peerIId = getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.Peer.class, new PeerKey(this.peerId));
        this.peerPath = createPeerPath(this.peerId);
        this.peerRibOutIId = peerPath.node(ADJRIBOUT_NID);
        this.trackerRegistration = this.rib.getPeerTracker().registerPeer(this);
        createEffRibInWriter();
        registerPrefixesCounters(this.effRibInWriter, this.effRibInWriter);
        this.effRibInWriter.init();
        this.ribWriter = this.ribWriter.transform(this.peerId, this.peerPath, this.rib.getRibSupportContext(), this.tables, this.addPathTableMaps);
        if (this.rpcRegistry != null) {
            this.rpcRegistration = this.rpcRegistry.registerRpcImplementation(BgpPeerRpcService.class, new BgpPeerRpc(this, session, this.tables), ImmutableSet.of(this.rib.getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.Peer.class, new PeerKey(this.peerId))));
        }
    } else {
        final Set<TablesKey> forwardingTables;
        if (advertisedTables == null) {
            forwardingTables = Collections.emptySet();
        } else {
            forwardingTables = advertisedTables.values().stream().filter(table -> table.getAfiFlags() != null).filter(table -> table.getAfiFlags().getForwardingState()).map(table -> new TablesKey(table.getAfi(), table.getSafi())).collect(Collectors.toSet());
        }
        this.ribWriter.clearTables(Sets.difference(this.tables, forwardingTables));
        if (restartingLocally) {
            this.effRibInWriter.close();
            this.peerRestartStopwatch = Stopwatch.createStarted();
            handleSelectionReferralTimer();
            this.missingEOT.addAll(this.tables);
        }
    }
    if (advertisedTables == null || advertisedTables.isEmpty()) {
        setAdvertizedGracefulRestartTableTypes(Collections.emptyList());
    } else {
        setAdvertizedGracefulRestartTableTypes(advertisedTables.values().stream().map(t -> new TablesKey(t.getAfi(), t.getSafi())).collect(Collectors.toList()));
    }
    setAfiSafiGracefulRestartState(advertisedGracefulRestartCapability.getRestartTime().toJava(), false, restartingLocally);
    final Map<TablesKey, Integer> llTablesReceived;
    if (advertisedLLTables != null) {
        llTablesReceived = new HashMap<>();
        for (var table : advertisedLLTables.values()) {
            llTablesReceived.put(new TablesKey(table.getAfi(), table.getSafi()), table.getLongLivedStaleTime().getValue().intValue());
        }
    } else {
        llTablesReceived = Collections.emptyMap();
    }
    setAdvertizedLlGracefulRestartTableTypes(llTablesReceived);
    if (!llTablesReceived.isEmpty()) {
        llgrSupport = true;
    // FIXME: propagate preserved tables
    } else {
        // FIXME: clear preserved tables
        llgrSupport = false;
    }
    if (!restartingLocally) {
        if (!setTables.contains(IPV4_UCAST_TABLE_KEY)) {
            createAdjRibOutListener(IPV4_UCAST_TABLE_KEY, false);
        }
        for (final TablesKey key : getAfiSafisAdvertized()) {
            createAdjRibOutListener(key, true);
        }
    }
    // SpotBugs does not grok Optional.ifPresent() and thinks we are using unsynchronized access
    final Optional<RevisedErrorHandlingSupport> errorHandling = this.bgpPeer.getErrorHandling();
    if (errorHandling.isPresent()) {
        this.currentSession.addDecoderConstraint(RevisedErrorHandlingSupport.class, errorHandling.get());
    }
}

Example 3 with GracefulRestartCapability

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability in project bgpcep by opendaylight.

the class GracefulRestartUtilTest method getGracefulCapabilityTest.

@Test
public void getGracefulCapabilityTest() {
    final Map<TablesKey, Boolean> gracefulMap = new HashMap<>();
    gracefulMap.put(IPV4_KEY, true);
    gracefulMap.put(IPV6_KEY, false);
    CParameters capability = GracefulRestartUtil.getGracefulCapability(gracefulMap, RESTART_TIME, RESTARTING);
    final CParameters1 params = capability.augmentation(CParameters1.class);
    assertNotNull(params);
    final GracefulRestartCapability gracefulCapability = params.getGracefulRestartCapability();
    assertNotNull(gracefulCapability);
    assertTrue(gracefulCapability.getRestartFlags().getRestartState());
    assertEquals(RESTART_TIME, gracefulCapability.getRestartTime().intValue());
    final var tables = gracefulCapability.getTables();
    assertNotNull(tables);
    assertEquals(2, tables.size());
    tables.values().forEach(table -> {
        assertTrue(isSameKey(IPV4_KEY, table.key()) && table.getAfiFlags().getForwardingState() || isSameKey(IPV6_KEY, table.key()) && !table.getAfiFlags().getForwardingState());
    });
}

Example 4 with GracefulRestartCapability

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability in project bgpcep by opendaylight.

the class GracefulCapabilityHandler method serializeCapability.

@Override
public void serializeCapability(final CParameters capability, final ByteBuf byteAggregator) {
    final CParameters1 aug = capability.augmentation(CParameters1.class);
    if (aug == null) {
        return;
    }
    final GracefulRestartCapability grace = aug.getGracefulRestartCapability();
    if (grace != null) {
        final ByteBuf bytes = serializeCapability(grace);
        CapabilityUtil.formatCapability(CODE, bytes, byteAggregator);
    }
}

Example 5 with GracefulRestartCapability

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability in project bgpcep by opendaylight.

the class ComplementaryTest method testBGPParameter.

@Test
public void testBGPParameter() {
    final MultiprotocolCapability cap = new MultiprotocolCapabilityBuilder().setAfi(Ipv6AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build();
    final CParameters tlv1 = new CParametersBuilder().addAugmentation(new CParameters1Builder().setMultiprotocolCapability(cap).build()).build();
    final MultiprotocolCapability cap1 = new MultiprotocolCapabilityBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build();
    final CParameters tlv2 = new CParametersBuilder().addAugmentation(new CParameters1Builder().setMultiprotocolCapability(cap1).build()).build();
    final Map<TablesKey, Tables> tt = BindingMap.of(new TablesBuilder().setAfi(Ipv6AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build(), new TablesBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build());
    final GracefulRestartCapability tlv3 = new GracefulRestartCapabilityBuilder().setRestartFlags(new RestartFlags(Boolean.FALSE)).setRestartTime(Uint16.ZERO).setTables(tt).build();
    final CParameters tlv4 = new CParametersBuilder().setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(Uint32.valueOf(40))).build()).build();
    assertFalse(tlv3.getRestartFlags().getRestartState());
    assertEquals(0, tlv3.getRestartTime().intValue());
    assertNotEquals(tlv1, tlv2);
    assertNotSame(tlv1.hashCode(), tlv3.hashCode());
    assertNotSame(tlv2.toString(), tlv3.toString());
    assertEquals(tt, tlv3.getTables());
    assertEquals(cap.getSafi(), cap1.getSafi());
    assertNotSame(cap.getAfi(), cap1.getAfi());
    assertEquals(40, tlv4.getAs4BytesCapability().getAsNumber().getValue().longValue());
    assertEquals(new CParametersBuilder().setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(Uint32.valueOf(40))).build()).build(), tlv4);
}