Examples with LinkDescription org.onosproject.net.link.LinkDescription used on opensource projects

Example 11 with LinkDescription

use of org.onosproject.net.link.LinkDescription in project onos by opennetworkinglab.

the class SimpleLinkStore method composeLink.

// Guarded by linkDescs value (=locking each Link)
private Link composeLink(Map<ProviderId, LinkDescription> descs) {
    ProviderId primary = getBaseProviderId(descs);
    LinkDescription base = descs.get(verifyNotNull(primary));
    ConnectPoint src = base.src();
    ConnectPoint dst = base.dst();
    Type type = base.type();
    DefaultAnnotations annotations = DefaultAnnotations.builder().build();
    annotations = merge(annotations, base.annotations());
    for (Entry<ProviderId, LinkDescription> e : descs.entrySet()) {
        if (primary.equals(e.getKey())) {
            continue;
        }
        // TODO: should keep track of Description timestamp
        // and only merge conflicting keys when timestamp is newer
        // Currently assuming there will never be a key conflict between
        // providers
        // annotation merging. not so efficient, should revisit later
        annotations = merge(annotations, e.getValue().annotations());
    }
    boolean isDurable = Objects.equals(annotations.value(AnnotationKeys.DURABLE), "true");
    return DefaultLink.builder().providerId(primary).src(src).dst(dst).type(type).state(ACTIVE).isExpected(isDurable).annotations(annotations).build();
}

Example 12 with LinkDescription

use of org.onosproject.net.link.LinkDescription in project onos by opennetworkinglab.

the class TopologyMutationDriver method repairLink.

// Picks a random inactive link and repairs it.
private LinkDescription repairLink() {
    LinkDescription link = getRandomLink(inactiveLinks);
    linkProviderService.linkDetected(link);
    linkProviderService.linkDetected(reverse(link));
    return link;
}

Example 13 with LinkDescription

use of org.onosproject.net.link.LinkDescription in project onos by opennetworkinglab.

the class TopologyMutationDriver method severLink.

/**
 * Severs the link between the specified end-points in both directions.
 *
 * @param one link endpoint
 * @param two link endpoint
 */
void severLink(ConnectPoint one, ConnectPoint two) {
    LinkDescription link = new DefaultLinkDescription(one, two, DIRECT);
    linkProviderService.linkVanished(link);
    linkProviderService.linkVanished(reverse(link));
}

Example 14 with LinkDescription

use of org.onosproject.net.link.LinkDescription in project onos by opennetworkinglab.

the class LinkDiscovery method processOnosLldp.

private boolean processOnosLldp(PacketContext packetContext, Ethernet eth) {
    ONOSLLDP onoslldp = ONOSLLDP.parseONOSLLDP(eth);
    if (onoslldp != null) {
        Type lt;
        if (notMy(eth.getSourceMAC().toString())) {
            lt = Type.EDGE;
        } else {
            lt = eth.getEtherType() == Ethernet.TYPE_LLDP ? Type.DIRECT : Type.INDIRECT;
            /* Verify MAC in LLDP packets */
            if (!ONOSLLDP.verify(onoslldp, context.lldpSecret(), context.maxDiscoveryDelay())) {
                log.warn("LLDP Packet failed to validate!");
                return true;
            }
        }
        PortNumber srcPort = portNumber(onoslldp.getPort());
        PortNumber dstPort = packetContext.inPacket().receivedFrom().port();
        String idString = onoslldp.getDeviceString();
        if (!isNullOrEmpty(idString)) {
            try {
                DeviceId srcDeviceId = DeviceId.deviceId(idString);
                DeviceId dstDeviceId = packetContext.inPacket().receivedFrom().deviceId();
                ConnectPoint src = translateSwitchPort(srcDeviceId, srcPort);
                ConnectPoint dst = new ConnectPoint(dstDeviceId, dstPort);
                LinkDescription ld = new DefaultLinkDescription(src, dst, lt);
                context.providerService().linkDetected(ld);
                context.touchLink(LinkKey.linkKey(src, dst));
            } catch (IllegalStateException | IllegalArgumentException e) {
                log.warn("There is a exception during link creation: {}", e.getMessage());
                return true;
            }
            return true;
        }
    }
    return false;
}

Example 15 with LinkDescription

use of org.onosproject.net.link.LinkDescription in project onos by opennetworkinglab.

the class LinkDiscovery method processLldp.

private boolean processLldp(PacketContext packetContext, Ethernet eth) {
    ONOSLLDP onoslldp = ONOSLLDP.parseLLDP(eth);
    if (onoslldp != null) {
        Type lt = eth.getEtherType() == Ethernet.TYPE_LLDP ? Type.DIRECT : Type.INDIRECT;
        DeviceService deviceService = context.deviceService();
        MacAddress srcChassisId = onoslldp.getChassisIdByMac();
        String srcPortName = onoslldp.getPortNameString();
        String srcPortDesc = onoslldp.getPortDescString();
        log.debug("srcChassisId:{}, srcPortName:{}, srcPortDesc:{}", srcChassisId, srcPortName, srcPortDesc);
        if (srcChassisId == null && srcPortDesc == null) {
            log.warn("there are no valid port id");
            return false;
        }
        Optional<Device> srcDevice = findSourceDeviceByChassisId(deviceService, srcChassisId);
        if (!srcDevice.isPresent()) {
            log.debug("source device not found. srcChassisId value: {}", srcChassisId);
            return false;
        }
        Optional<Port> sourcePort = findSourcePortByName(srcPortName == null ? srcPortDesc : srcPortName, deviceService, srcDevice.get());
        if (!sourcePort.isPresent()) {
            log.debug("source port not found. sourcePort value: {}", sourcePort);
            return false;
        }
        PortNumber srcPort = sourcePort.get().number();
        PortNumber dstPort = packetContext.inPacket().receivedFrom().port();
        DeviceId srcDeviceId = srcDevice.get().id();
        DeviceId dstDeviceId = packetContext.inPacket().receivedFrom().deviceId();
        if (!sourcePort.get().isEnabled()) {
            log.debug("Ports are disabled. Cannot create a link between {}/{} and {}/{}", srcDeviceId, sourcePort.get(), dstDeviceId, dstPort);
            return false;
        }
        ConnectPoint src = new ConnectPoint(srcDeviceId, srcPort);
        ConnectPoint dst = new ConnectPoint(dstDeviceId, dstPort);
        DefaultAnnotations annotations = DefaultAnnotations.builder().set(AnnotationKeys.PROTOCOL, SCHEME_NAME.toUpperCase()).set(AnnotationKeys.LAYER, ETHERNET).build();
        LinkDescription ld = new DefaultLinkDescription(src, dst, lt, true, annotations);
        try {
            context.providerService().linkDetected(ld);
            context.setTtl(LinkKey.linkKey(src, dst), onoslldp.getTtlBySeconds());
        } catch (IllegalStateException e) {
            log.debug("There is a exception during link creation: {}", e);
            return true;
        }
        return true;
    }
    return false;
}