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

Example 26 with DefaultLinkDescription

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

the class PolatisLinkDiscovery method getLinks.

/**
 * Returns the set of LinkDescriptions originating from a Polatis switch.
 * <p>
 * This is the callback required by the LinkDiscovery behaviour.
 * @return Set of outbound unidirectional links as LinkDescriptions
 */
@Override
public Set<LinkDescription> getLinks() {
    Set<LinkDescription> links = new HashSet<>();
    DeviceId deviceID = handler().data().deviceId();
    log.debug("*** Checking peer-port fields on device {}", deviceID.toString());
    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, will try again...", deviceID);
        return links;
    }
    DeviceService deviceService = checkNotNull(handler().get(DeviceService.class));
    Device device = deviceService.getDevice(deviceID);
    int numInputPorts = Integer.parseInt(device.annotations().value(KEY_INPUTPORTS));
    int numOutputPorts = Integer.parseInt(device.annotations().value(KEY_OUTPUTPORTS));
    log.trace("Talking to device " + handler().data().deviceId().toString());
    String reply = netconfGet(handler(), getPortsFilter());
    // Get port details from switch as PortDescription objects
    List<PortDescription> ports = parsePorts(reply, numInputPorts, numOutputPorts);
    int numPeerPortEntries = 0;
    int numPortsScanned = 0;
    ObjectMapper mapper = new ObjectMapper();
    for (PortDescription port : ports) {
        numPortsScanned++;
        if (deviceService.getPort(new ConnectPoint(deviceID, port.portNumber())).isEnabled()) {
            String peerPortData = port.annotations().value(KEY_PORTPEER);
            if (!peerPortData.equals("")) {
                numPeerPortEntries++;
                if (peerPortData.charAt(0) == '{') {
                    ConnectPoint nearEndCP = new ConnectPoint(deviceID, port.portNumber());
                    ConnectPoint farEndCP = null;
                    try {
                        farEndCP = parsePeerportDataForCP(mapper.readTree(peerPortData));
                    } catch (JsonProcessingException jpe) {
                        log.debug("Error processing peer-port JSON: {}", jpe.toString());
                    }
                    if (farEndCP != null) {
                        log.trace("Found ref on port {} to peer ConnectPoint: {}", port.portNumber(), farEndCP.toString());
                        if (checkPeer(nearEndCP, farEndCP, this.handler(), true)) {
                            log.trace("Peer {} checks out", farEndCP.toString());
                            // now add link to Set<LinkDescription>
                            DefaultAnnotations annotations = DefaultAnnotations.builder().set(KEY_LINKBIDIR, VALUE_FALSE).set(KEY_LINKALLOWED, VALUE_TRUE).build();
                            ConnectPoint aEndCP = nearEndCP;
                            ConnectPoint bEndCP = farEndCP;
                            // reverse direction of unidirectional link if near-end port is INPUT
                            if (port.annotations().value(KEY_PORTDIR).equals(VALUE_INPUT)) {
                                aEndCP = farEndCP;
                                bEndCP = nearEndCP;
                            }
                            LinkDescription newLinkDesc = new DefaultLinkDescription(aEndCP, bEndCP, Link.Type.OPTICAL, true, annotations);
                            links.add(newLinkDesc);
                            log.debug("Adding link {}", newLinkDesc);
                        }
                    }
                }
            }
        }
    }
    log.debug("Scanned {} ports, {} had peer-port entries, {} {} valid", numPortsScanned, numPeerPortEntries, links.size(), links.size() == 1 ? "is" : "are");
    log.trace("Links found on this iteration: {}", links);
    return links;
}

Example 27 with DefaultLinkDescription

use of org.onosproject.net.link.DefaultLinkDescription 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;
}