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

Example 16 with LinkDescription

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

the class LinkDiscoveryJuniperImpl method getLinks.

@Override
public Set<LinkDescription> getLinks() {
    DeviceId localDeviceId = this.handler().data().deviceId();
    NetconfSession session = lookupNetconfSession(localDeviceId);
    String reply;
    try {
        reply = session.get(requestBuilder(REQ_LLDP_NBR_INFO));
    } catch (NetconfException e) {
        log.warn("Failed to retrieve lldp-neighbors-information for device {}", localDeviceId);
        return ImmutableSet.of();
    }
    log.debug("Reply from device {} : {}", localDeviceId, reply);
    Set<LinkAbstraction> linkAbstractions = parseJuniperLldp(loadXmlString(reply));
    log.debug("Set of LinkAbstraction discovered {}", linkAbstractions);
    DeviceService deviceService = this.handler().get(DeviceService.class);
    Set<LinkDescription> descriptions = new HashSet<>();
    // for each lldp neighbor create two LinkDescription
    for (LinkAbstraction linkAbs : linkAbstractions) {
        // find source port by local port name
        Optional<Port> localPort = deviceService.getPorts(localDeviceId).stream().filter(port -> linkAbs.localPortName.equals(port.annotations().value(PORT_NAME))).findAny();
        if (!localPort.isPresent()) {
            log.warn("Port name {} does not exist in device {}", linkAbs.localPortName, localDeviceId);
            continue;
        }
        // find destination device by remote chassis id
        com.google.common.base.Optional<Device> dev = Iterables.tryFind(deviceService.getAvailableDevices(), input -> input.chassisId().equals(linkAbs.remoteChassisId));
        if (!dev.isPresent()) {
            log.warn("Device with chassis ID {} does not exist. Referenced by {}/{}", linkAbs.remoteChassisId, localDeviceId, linkAbs);
            continue;
        }
        Device remoteDevice = dev.get();
        // find destination port by interface index
        Optional<Port> remotePort = deviceService.getPorts(remoteDevice.id()).stream().filter(port -> {
            if (port.number().toLong() == linkAbs.remotePortIndex) {
                return true;
            }
            if (port.annotations().value(AnnotationKeys.PORT_MAC) != null && linkAbs.remotePortId != null && port.annotations().value(AnnotationKeys.PORT_MAC).equals(linkAbs.remotePortId)) {
                return true;
            }
            if (port.annotations().value(AnnotationKeys.PORT_NAME) != null && linkAbs.remotePortId != null && port.annotations().value(AnnotationKeys.PORT_NAME).equals(linkAbs.remotePortId)) {
                return true;
            }
            if (port.annotations().value(AnnotationKeys.PORT_NAME) != null && linkAbs.remotePortDescription != null && port.annotations().value(AnnotationKeys.PORT_NAME).equals(linkAbs.remotePortDescription)) {
                return true;
            }
            return false;
        }).findAny();
        if (!remotePort.isPresent()) {
            log.warn("Port does not exist in remote device {}. Referenced by {}/{}", remoteDevice.id(), localDeviceId, linkAbs);
            continue;
        }
        if (!localPort.get().isEnabled() || !remotePort.get().isEnabled()) {
            log.debug("Ports are disabled. Cannot create a link between {}/{} and {}/{}", localDeviceId, localPort.get(), remoteDevice.id(), remotePort.get());
            continue;
        }
        JuniperUtils.createOneWayLinkDescription(localDeviceId, localPort.get(), remoteDevice.id(), remotePort.get(), descriptions);
    }
    return descriptions;
}

Example 17 with LinkDescription

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

the class OpenstackNetworkingUiManager method createLinksConnectedToTargetvDevice.

private void createLinksConnectedToTargetvDevice(Device targetvDevice) {
    vDevices.stream().filter(d -> !d.equals(targetvDevice)).forEach(device -> {
        if (vxlanPort(targetvDevice.id()).isPresent() && vxlanPort(device.id()).isPresent()) {
            ConnectPoint srcConnectPoint = createConnectPoint(targetvDevice.id());
            ConnectPoint dstConnectPoint = createConnectPoint(device.id());
            LinkDescription linkDescription = createLinkDescription(srcConnectPoint, dstConnectPoint);
            linkStore.createOrUpdateLink(new ProviderId(SONA_GUI, APP_ID), linkDescription);
        }
    });
}

Example 18 with LinkDescription

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

the class SimpleLinkStore method createOrUpdateLinkDescription.

// Guarded by linkDescs value (=locking each Link)
private LinkDescription createOrUpdateLinkDescription(Map<ProviderId, LinkDescription> descs, ProviderId providerId, LinkDescription linkDescription) {
    // merge existing attributes and merge
    LinkDescription oldDesc = descs.get(providerId);
    LinkDescription newDesc = linkDescription;
    if (oldDesc != null) {
        // we only allow transition from INDIRECT -> DIRECT
        final Type newType;
        if (oldDesc.type() == DIRECT) {
            newType = DIRECT;
        } else {
            newType = linkDescription.type();
        }
        SparseAnnotations merged = union(oldDesc.annotations(), linkDescription.annotations());
        newDesc = new DefaultLinkDescription(linkDescription.src(), linkDescription.dst(), newType, merged);
    }
    return descs.put(providerId, newDesc);
}

Example 19 with LinkDescription

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

the class SimpleLinkStore method createOrUpdateLink.

@Override
public LinkEvent createOrUpdateLink(ProviderId providerId, LinkDescription linkDescription) {
    LinkKey key = linkKey(linkDescription.src(), linkDescription.dst());
    Map<ProviderId, LinkDescription> descs = getOrCreateLinkDescriptions(key);
    synchronized (descs) {
        final Link oldLink = links.get(key);
        // update description
        createOrUpdateLinkDescription(descs, providerId, linkDescription);
        final Link newLink = composeLink(descs);
        if (oldLink == null) {
            return createLink(key, newLink);
        }
        return updateLink(key, oldLink, newLink);
    }
}

Example 20 with LinkDescription

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

the class CienaWaveserverAiLinkDiscovery method getLinks.

@Override
public Set<LinkDescription> getLinks() {
    log.debug("LINKS CHECKING ...");
    Set<LinkDescription> links = new HashSet<>();
    DeviceId deviceId = handler().data().deviceId();
    NetconfController controller = checkNotNull(handler().get(NetconfController.class));
    if (controller == null || controller.getDevicesMap() == null || controller.getDevicesMap().get(deviceId) == null) {
        log.warn("NETCONF session to device {} not yet established, cannot load links, will be retried", deviceId);
        return links;
    }
    NetconfSession session = controller.getDevicesMap().get(deviceId).getSession();
    try {
        DeviceService deviceService = this.handler().get(DeviceService.class);
        Iterable<Device> devices = deviceService.getAvailableDevices();
        Map<String, Device> lookup = new HashMap<>();
        for (Device d : devices) {
            lookup.put(d.chassisId().toString(), d);
        }
        log.debug("MAP: {}", lookup);
        XPath xp = XPathFactory.newInstance().newXPath();
        Node node = TEMPLATE_MANAGER.doRequest(session, "discoverPortDetails");
        NodeList nodeList = (NodeList) xp.evaluate("waveserver-ports/ports", node, XPathConstants.NODESET);
        int count = nodeList.getLength();
        Node nodeListItem;
        for (int i = 0; i < count; i += 1) {
            Long portAsLong;
            Long destPortAsLong;
            String destChassis = null;
            String destPort = null;
            nodeListItem = nodeList.item(i);
            String port = xp.evaluate("port-id/text()", nodeListItem);
            portAsLong = portIdConvert(port);
            log.debug("CHECKING: {}", port);
            if (xp.evaluate("id/type/text()", nodeListItem).equals("otn")) {
                String label = xp.evaluate("id/label/text()", nodeListItem);
                final String r1 = "\\$\\{remote_mac:(.*?)\\}";
                final Pattern p1 = Pattern.compile(r1);
                final Matcher m1 = p1.matcher(label);
                if (m1.find()) {
                    destChassis = m1.group(1).replaceFirst("^0+(?!$)", "");
                }
                final String r2 = "\\$\\{remote_port:(.*?)\\}";
                final Pattern p2 = Pattern.compile(r2);
                final Matcher m2 = p2.matcher(label);
                if (m2.find()) {
                    destPort = m2.group(1);
                }
                destPortAsLong = portIdConvert(destPort);
                if (destChassis != null && destPort != null) {
                    log.debug("LOOKING FOR OTN neighbor chassis: {}", destChassis);
                    Device dest = lookup.get(destChassis);
                    if (dest != null) {
                        links.add(new DefaultLinkDescription(new ConnectPoint(dest.id(), PortNumber.portNumber(destPortAsLong, destPort)), new ConnectPoint(deviceId, PortNumber.portNumber(portAsLong, port)), Link.Type.TUNNEL, true));
                    } else {
                        log.error("DEST OTN CHASSIS is NULL for {}", xp.evaluate("port-id/text()", nodeListItem));
                    }
                } else {
                    log.error("NO LINK for {}", xp.evaluate("port-id/text()", nodeListItem));
                }
            } else if (xp.evaluate("id/type/text()", nodeListItem).equals("ethernet")) {
                Map<String, Object> templateContext = new HashMap<>();
                templateContext.put("port-number", port);
                node = TEMPLATE_MANAGER.doRequest(session, "getLinks", templateContext);
                String chassisIdSubtype = xp.evaluate("waveserver-lldp/port/remote/chassis/chassis-id/chassis-id-subtype/text()", node);
                if (chassisIdSubtype.equals("mac-address")) {
                    destChassis = xp.evaluate("waveserver-lldp/port/remote/chassis/chassis-id/chassis-id/text()", node).trim().toLowerCase();
                    if (destChassis.startsWith("0x")) {
                        destChassis = destChassis.substring(2);
                    }
                } else {
                    log.error("Unknown Chassis-id-subtype {}", xp.evaluate("waveserver-lldp/port/remote/chassis/chassis-id/chassis-id-subtype/text()", node));
                }
                destPort = xp.evaluate("waveserver-lldp/port/remote/port/id/id/text()", node);
                destPortAsLong = Long.valueOf(destPort);
                if (destChassis != null && !destPort.equals("")) {
                    log.debug("LOOKING FOR ethernet neighbor chassisId: {}", destChassis);
                    Device dest = lookup.get(destChassis);
                    if (dest != null) {
                        links.add(new DefaultLinkDescription(new ConnectPoint(deviceId, PortNumber.portNumber(portAsLong, port)), new ConnectPoint(dest.id(), PortNumber.portNumber(destPortAsLong, destPort)), Link.Type.TUNNEL, true));
                    } else {
                        log.debug("DEST CHASSIS is NULL for port {}", xp.evaluate("port-id/text()", nodeListItem));
                    }
                } else {
                    log.debug("NO LINK for {}", xp.evaluate("port-id/text()", nodeListItem));
                }
            }
        }
    } catch (NetconfException | XPathExpressionException e) {
        log.error("Unable to retrieve links for device {}, {}", deviceId, e);
    }
    return links;
}