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

Example 26 with LinkDescription

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

the class ECLinkStore method composeLink.

private Link composeLink(LinkKey linkKey) {
    ProviderId baseProviderId = getBaseProviderId(linkKey);
    if (baseProviderId == null) {
        // parent component.
        return null;
    }
    LinkDescription base = linkDescriptions.get(new Provided<>(linkKey, baseProviderId));
    // short circuit if link description no longer exists
    if (base == null) {
        return null;
    }
    ConnectPoint src = base.src();
    ConnectPoint dst = base.dst();
    Type type = base.type();
    DefaultAnnotations.Builder builder = DefaultAnnotations.builder();
    builder.putAll(base.annotations());
    getAllProviders(linkKey).stream().map(p -> new Provided<>(linkKey, p)).forEach(key -> {
        LinkDescription linkDescription = linkDescriptions.get(key);
        if (linkDescription != null) {
            builder.putAll(linkDescription.annotations());
        }
    });
    DefaultAnnotations annotations = builder.build();
    Link.State initialLinkState;
    boolean isExpected;
    if (linkDiscoveryMode == LinkDiscoveryMode.PERMISSIVE) {
        initialLinkState = ACTIVE;
        isExpected = Objects.equals(annotations.value(AnnotationKeys.DURABLE), "true");
    } else {
        initialLinkState = base.isExpected() ? ACTIVE : INACTIVE;
        isExpected = base.isExpected();
    }
    return DefaultLink.builder().providerId(baseProviderId).src(src).dst(dst).type(type).state(initialLinkState).isExpected(isExpected).annotations(annotations).build();
}

Example 27 with LinkDescription

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

the class LinkDiscoveryProvider method discoverLinks.

private void discoverLinks(Device device) {
    DeviceId deviceId = device.id();
    Set<LinkDescription> response = null;
    try {
        response = CompletableFuture.supplyAsync(() -> device.as(LinkDiscovery.class).getLinks(), linkDiscoveryExecutor).exceptionally(e -> {
            log.error("Exception is occurred during update the links. Device id {} {}", deviceId, e);
            return null;
        }).get(linkDiscoveryTimeoutSeconds, SECONDS);
    } catch (TimeoutException e) {
        log.error("Timout is occurred during update the links. Device id {}, Timeout {}", deviceId, linkDiscoveryTimeoutSeconds);
    } catch (InterruptedException | ExecutionException e) {
        log.warn("Exception is occurred during update the links. Device id {}, Timeout {}", deviceId, linkDiscoveryTimeoutSeconds);
    }
    if (Objects.isNull(response)) {
        return;
    }
    evaluateLinks(deviceId, response);
}

Example 28 with LinkDescription

use of org.onosproject.net.link.LinkDescription 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 29 with LinkDescription

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

the class NetworkConfigLinksProviderTest method testNotConfiguredLink.

/**
 * Tests discovery of a link that is not expected in the configuration.
 */
@Test
public void testNotConfiguredLink() {
    PacketContext pktCtx = new TestPacketContext(src, dst);
    testProcessor.process(pktCtx);
    assertThat(providerService.discoveredLinks().entrySet(), hasSize(1));
    DeviceId destination = providerService.discoveredLinks().get(dev1.id());
    assertThat(destination, notNullValue());
    LinkKey key = LinkKey.linkKey(src, dst);
    LinkDescription linkDescription = providerService.discoveredLinkDescriptions().get(key);
    assertThat(linkDescription, notNullValue());
    assertThat(linkDescription.isExpected(), is(false));
}