Examples with Peer org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.Peer used on opensource projects

Example 46 with Peer

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.Peer in project bgpcep by opendaylight.

the class AbstractPCEPSessionNegotiator method handleMessageStartTlsWait.

private boolean handleMessageStartTlsWait(final Message msg) {
    if (msg instanceof Starttls) {
        final SslContextFactory sslFactory = new SslContextFactory(this.tlsConfiguration);
        final SSLContext sslContext = sslFactory.getServerContext();
        if (sslContext == null) {
            this.sendErrorMessage(PCEPErrors.NOT_POSSIBLE_WITHOUT_TLS);
            negotiationFailed(new IllegalStateException("Failed to establish a TLS connection."));
            this.state = State.FINISHED;
            return true;
        }
        final SSLEngine engine = sslContext.createSSLEngine();
        engine.setNeedClientAuth(true);
        engine.setUseClientMode(false);
        this.channel.pipeline().addFirst(new SslHandler(engine));
        LOG.info("PCEPS TLS connection with peer: {} established succesfully.", this.channel);
        startNegotiationWithOpen();
        return true;
    } else if (!(msg instanceof Pcerr)) {
        this.sendErrorMessage(PCEPErrors.NON_STARTTLS_MSG_RCVD);
        negotiationFailed(new IllegalStateException("Unexpected message recieved."));
        this.state = State.FINISHED;
        return true;
    }
    return false;
}

Example 47 with Peer

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.Peer in project bgpcep by opendaylight.

the class AbstractPCEPSessionNegotiator method handleMessageOpenWait.

private boolean handleMessageOpenWait(final Message msg) {
    if (!(msg instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Open)) {
        return false;
    }
    final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.message.OpenMessage o = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Open) msg).getOpenMessage();
    final Open open = o.getOpen();
    if (isProposalAcceptable(open)) {
        this.sendMessage(KEEPALIVE);
        this.remotePrefs = open;
        this.remoteOK = true;
        if (this.localOK) {
            negotiationSuccessful(createSession(this.channel, this.localPrefs, this.remotePrefs));
            LOG.info("PCEP peer {} completed negotiation", this.channel);
            this.state = State.FINISHED;
        } else {
            scheduleFailTimer();
            this.state = State.KEEP_WAIT;
            LOG.debug("Channel {} moved to KeepWait state with remoteOK=1", this.channel);
        }
        return true;
    }
    if (this.openRetry) {
        sendErrorMessage(PCEPErrors.SECOND_OPEN_MSG);
        negotiationFailed(new IllegalStateException("OPEN renegotiation failed"));
        this.state = State.FINISHED;
        return true;
    }
    final Open newPrefs = getCounterProposal(open);
    if (newPrefs == null) {
        sendErrorMessage(PCEPErrors.NON_ACC_NON_NEG_SESSION_CHAR);
        negotiationFailed(new IllegalStateException("Peer sent unacceptable session parameters"));
        this.state = State.FINISHED;
        return true;
    }
    this.sendMessage(Util.createErrorMessage(PCEPErrors.NON_ACC_NEG_SESSION_CHAR, newPrefs));
    this.openRetry = true;
    this.state = this.localOK ? State.OPEN_WAIT : State.KEEP_WAIT;
    scheduleFailTimer();
    return true;
}

Example 48 with Peer

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.Peer in project bgpcep by opendaylight.

the class AbstractPCEPSessionNegotiator method startNegotiation.

@Override
protected final void startNegotiation() {
    Preconditions.checkState(this.state == State.IDLE);
    if (this.tlsConfiguration != null) {
        this.sendMessage(new StarttlsBuilder().setStartTlsMessage(new StartTlsMessageBuilder().build()).build());
        this.state = State.START_TLS_WAIT;
        scheduleFailTimer();
        LOG.info("Started TLS connection negotiation with peer {}", this.channel);
    } else {
        startNegotiationWithOpen();
    }
    this.channel.closeFuture().addListener((ChannelFutureListener) f -> cancelTimers());
}

Example 49 with Peer

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.Peer in project bgpcep by opendaylight.

the class BGPUpdateMessageParser method parseMessageBody.

/**
 * Parse Update message from buffer.
 * Calls {@link #checkMandatoryAttributesPresence(Update)} to check for presence of mandatory attributes.
 *
 * @param buffer Encoded BGP message in ByteBuf
 * @param messageLength Length of the BGP message
 * @param constraint Peer specific constraints
 * @return Parsed Update message body
 */
@Override
public Update parseMessageBody(final ByteBuf buffer, final int messageLength, final PeerSpecificParserConstraint constraint) throws BGPDocumentedException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Buffer cannot be null or empty.");
    final UpdateBuilder builder = new UpdateBuilder();
    final boolean isMultiPathSupported = MultiPathSupportUtil.isTableTypeSupported(constraint, new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class));
    final int withdrawnRoutesLength = buffer.readUnsignedShort();
    if (withdrawnRoutesLength > 0) {
        final List<WithdrawnRoutes> withdrawnRoutes = new ArrayList<>();
        final ByteBuf withdrawnRoutesBuffer = buffer.readBytes(withdrawnRoutesLength);
        while (withdrawnRoutesBuffer.isReadable()) {
            final WithdrawnRoutesBuilder withdrawnRoutesBuilder = new WithdrawnRoutesBuilder();
            if (isMultiPathSupported) {
                withdrawnRoutesBuilder.setPathId(PathIdUtil.readPathId(withdrawnRoutesBuffer));
            }
            withdrawnRoutesBuilder.setPrefix(Ipv4Util.prefixForByteBuf(withdrawnRoutesBuffer));
            withdrawnRoutes.add(withdrawnRoutesBuilder.build());
        }
        builder.setWithdrawnRoutes(withdrawnRoutes);
    }
    final int totalPathAttrLength = buffer.readUnsignedShort();
    if (withdrawnRoutesLength == 0 && totalPathAttrLength == 0) {
        return builder.build();
    }
    if (totalPathAttrLength > 0) {
        try {
            final Attributes attributes = this.reg.parseAttributes(buffer.readSlice(totalPathAttrLength), constraint);
            builder.setAttributes(attributes);
        } catch (final RuntimeException | BGPParsingException e) {
            // Catch everything else and turn it into a BGPDocumentedException
            throw new BGPDocumentedException("Could not parse BGP attributes.", BGPError.MALFORMED_ATTR_LIST, e);
        }
    }
    final List<Nlri> nlri = new ArrayList<>();
    while (buffer.isReadable()) {
        final NlriBuilder nlriBuilder = new NlriBuilder();
        if (isMultiPathSupported) {
            nlriBuilder.setPathId(PathIdUtil.readPathId(buffer));
        }
        nlriBuilder.setPrefix(Ipv4Util.prefixForByteBuf(buffer));
        nlri.add(nlriBuilder.build());
    }
    if (!nlri.isEmpty()) {
        builder.setNlri(nlri);
    }
    final Update msg = builder.build();
    checkMandatoryAttributesPresence(msg);
    LOG.debug("BGP Update message was parsed {}.", msg);
    return msg;
}

Example 50 with Peer

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.Peer in project bgpcep by opendaylight.

the class Stateful07TopologySessionListener method onSessionUp.

@Override
protected void onSessionUp(final PCEPSession session, final PathComputationClientBuilder pccBuilder) {
    final InetAddress peerAddress = session.getRemoteAddress();
    final Tlvs tlvs = session.getRemoteTlvs();
    if (tlvs != null && tlvs.getAugmentation(Tlvs1.class) != null) {
        final Stateful stateful = tlvs.getAugmentation(Tlvs1.class).getStateful();
        if (stateful != null) {
            setStatefulCapabilities(stateful);
            pccBuilder.setReportedLsp(Collections.emptyList());
            if (isSynchronized()) {
                pccBuilder.setStateSync(PccSyncState.Synchronized);
            } else if (isTriggeredInitialSynchro()) {
                pccBuilder.setStateSync(PccSyncState.TriggeredInitialSync);
            } else if (isIncrementalSynchro()) {
                pccBuilder.setStateSync(PccSyncState.IncrementalSync);
            } else {
                pccBuilder.setStateSync(PccSyncState.InitialResync);
            }
            pccBuilder.setStatefulTlv(new StatefulTlvBuilder().addAugmentation(StatefulTlv1.class, new StatefulTlv1Builder(tlvs.getAugmentation(Tlvs1.class)).build()).build());
        } else {
            LOG.debug("Peer {} does not advertise stateful TLV", peerAddress);
        }
    } else {
        LOG.debug("Peer {} does not advertise stateful TLV", peerAddress);
    }
}