Examples with Link org.onosproject.net.Link used on opensource projects

Example 16 with Link

use of org.onosproject.net.Link in project trellis-control by opennetworkinglab.

the class LinkHandler method isBidirectionalLinkUp.

/**
 * Returns true if the link being queried is a bidirectional link that is
 * up. A bidi-link is defined as a component unidirectional link, whose
 * reverse link - ie. the component unidirectional link in the reverse
 * direction - has been seen-before and is up. It is NOT necessary for the
 * link being queried to be a previously seen-link.
 *
 * @param link the infrastructure (unidirectional) link being queried
 * @return true if another unidirectional link exists in the reverse
 *         direction, has been seen-before and is up
 */
boolean isBidirectionalLinkUp(Link link) {
    // cannot call linkService as link may be gone
    Link reverseLink = getReverseLink(link);
    if (reverseLink == null) {
        return false;
    }
    Boolean result = isSeenLinkUp(reverseLink);
    if (result == null) {
        return false;
    }
    return result.booleanValue();
}

Example 17 with Link

use of org.onosproject.net.Link in project trellis-control by opennetworkinglab.

the class PolicyManager method redirectPolicyNextObjective.

private NextObjective.Builder redirectPolicyNextObjective(DeviceId srcDevice, RedirectPolicy redirectPolicy) {
    Set<Link> egressLinks = linkService.getDeviceEgressLinks(srcDevice);
    Map<ConnectPoint, DeviceId> egressPortsToEnforce = Maps.newHashMap();
    List<DeviceId> edgeDevices = getEdgeDeviceIds();
    egressLinks.stream().filter(link -> redirectPolicy.spinesToEnforce().contains(link.dst().deviceId()) && !edgeDevices.contains(link.dst().deviceId())).forEach(link -> egressPortsToEnforce.put(link.src(), link.dst().deviceId()));
    // No ports no friend
    if (egressPortsToEnforce.isEmpty()) {
        log.warn("There are no port available for the REDIRECT policy {}", redirectPolicy.policyId());
        return null;
    }
    // We need to add a treatment for each valid egress port. The treatment
    // requires to set src and dst mac address and set the egress port. We are
    // deliberately not providing the metadata to prevent the programming of
    // some tables which are already controlled by SegmentRouting or are unnecessary
    int nextId = flowObjectiveService.allocateNextId();
    DefaultNextObjective.Builder builder = DefaultNextObjective.builder().withId(nextId).withType(NextObjective.Type.HASHED).fromApp(appId);
    MacAddress srcDeviceMac;
    try {
        srcDeviceMac = getDeviceMacAddress(srcDevice);
    } catch (DeviceConfigNotFoundException e) {
        log.warn(e.getMessage() + " Aborting installation REDIRECT policy {}", redirectPolicy.policyId());
        return null;
    }
    MacAddress neigborDeviceMac;
    TrafficTreatment.Builder tBuilder;
    for (Map.Entry<ConnectPoint, DeviceId> entry : egressPortsToEnforce.entrySet()) {
        try {
            neigborDeviceMac = getDeviceMacAddress(entry.getValue());
        } catch (DeviceConfigNotFoundException e) {
            log.warn(e.getMessage() + " Aborting installation REDIRECT policy {}", redirectPolicy.policyId());
            return null;
        }
        tBuilder = DefaultTrafficTreatment.builder().setEthSrc(srcDeviceMac).setEthDst(neigborDeviceMac).setOutput(entry.getKey().port());
        builder.addTreatment(tBuilder.build());
    }
    return builder;
}

Example 18 with Link

use of org.onosproject.net.Link in project trellis-control by opennetworkinglab.

the class DefaultL2TunnelHandler method deployPseudowire.

/**
 * Adds a single pseudowire.
 *
 * @param pw The pseudowire to deploy
 * @return result of pseudowire deployment
 */
public Result deployPseudowire(L2TunnelDescription pw) {
    try {
        // take the lock
        pwLock.lock();
        Result result;
        long l2TunnelId;
        log.debug("Pseudowire with {} deployment started, check log for any errors in this process!", pw.l2Tunnel().tunnelId());
        l2TunnelId = pw.l2Tunnel().tunnelId();
        // The tunnel id cannot be 0.
        if (l2TunnelId == 0) {
            log.warn("Tunnel id id must be > 0 in {}", l2TunnelId);
            return Result.WRONG_PARAMETERS.appendError("Tunnel id id must be > 0");
        }
        result = verifyGlobalValidity(pw);
        if (result != SUCCESS) {
            log.error("Global validity for pseudowire {} is wrong!", l2TunnelId);
            return result;
        }
        // leafSpinePw determines if this is a leaf-leaf
        // or leaf-spine pseudowire
        boolean leafSpinePw;
        ConnectPoint cp1 = pw.l2TunnelPolicy().cP1();
        ConnectPoint cp2 = pw.l2TunnelPolicy().cP2();
        try {
            // differentiate between leaf-leaf pseudowires and leaf-spine
            if (!srManager.deviceConfiguration().isEdgeDevice(cp1.deviceId()) && !srManager.deviceConfiguration().isEdgeDevice(cp2.deviceId())) {
                log.error("Can not deploy pseudowire {} from spine to spine!", l2TunnelId);
                return Result.WRONG_PARAMETERS.appendError("Can not deploy pseudowire from spine to spine!");
            } else if (srManager.deviceConfiguration().isEdgeDevice(cp1.deviceId()) && srManager.deviceConfiguration().isEdgeDevice(cp2.deviceId())) {
                leafSpinePw = false;
            } else {
                leafSpinePw = true;
            }
        } catch (DeviceConfigNotFoundException e) {
            log.error("Device for pseudowire {} connection points does not exist in the configuration", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Device for pseudowire connection points does not exist in the configuration");
        }
        // reverse the policy in order for leaf switch to be at CP1
        // this will help us for re-using SRLinkWeigher for computing valid paths
        L2TunnelPolicy reversedPolicy = reverseL2TunnelPolicy(pw.l2TunnelPolicy());
        if (reversedPolicy == null) {
            log.error("Error in reversing policy, device configuration was not found for pseudowire {}.", l2TunnelId);
            return INTERNAL_ERROR.appendError("Device configuration not found when reversing the policy.");
        }
        pw.setL2TunnelPolicy(reversedPolicy);
        // get path here, need to use the same for fwd and rev direction
        List<Link> path = getPath(pw.l2TunnelPolicy().cP1(), pw.l2TunnelPolicy().cP2());
        if (path == null || path.isEmpty()) {
            log.error("Deploying process : No path between the connection points for pseudowire {}", l2TunnelId);
            return PATH_NOT_FOUND.appendError("No path between the connection points for pseudowire!");
        }
        Link fwdNextHop;
        Link revNextHop;
        if (!isValidPath(path, leafSpinePw)) {
            log.error("Deploying process : Path for pseudowire {} is not valid", l2TunnelId);
            return INTERNAL_ERROR.appendError("Internal error : path for pseudowire is not valid!");
        }
        // oneHope flag is used to determine if we need to
        // install transit mpls rules
        boolean oneHop = true;
        if (path.size() > 1) {
            oneHop = false;
        }
        fwdNextHop = path.get(0);
        revNextHop = reverseLink(path.get(path.size() - 1));
        pw.l2Tunnel().setPath(path);
        pw.l2Tunnel().setTransportVlan(srManager.getPwTransportVlan());
        // next hops for next objectives
        log.info("Deploying process : Establishing forward direction for pseudowire {}", l2TunnelId);
        VlanId egressVlan = determineEgressVlan(pw.l2TunnelPolicy().cP1OuterTag(), pw.l2TunnelPolicy().cP1InnerTag(), pw.l2TunnelPolicy().cP2OuterTag(), pw.l2TunnelPolicy().cP2InnerTag());
        result = deployPseudoWireInit(pw.l2Tunnel(), pw.l2TunnelPolicy().cP1(), pw.l2TunnelPolicy().cP2(), FWD, fwdNextHop, oneHop, egressVlan);
        if (result != SUCCESS) {
            log.error("Deploying process : Error in deploying pseudowire {} initiation for CP1", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Error in deploying pseudowire initiation for CP1");
        }
        result = deployPolicy(l2TunnelId, pw.l2TunnelPolicy().cP1(), pw.l2TunnelPolicy().cP1InnerTag(), pw.l2TunnelPolicy().cP1OuterTag(), egressVlan, result.getNextId());
        if (result != SUCCESS) {
            log.error("Deploying process : Error in deploying pseudowire {} policy for CP1", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Error in deploying pseudowire policy for CP1");
        }
        result = deployPseudoWireTerm(pw.l2Tunnel(), pw.l2TunnelPolicy().cP2(), egressVlan, FWD, oneHop);
        if (result != SUCCESS) {
            log.error("Deploying process : Error in deploying pseudowire {} termination for CP1", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Error in deploying pseudowire termination for CP1");
        }
        // We establish the reverse tunnel.
        log.info("Deploying process : Establishing reverse direction for pseudowire {}", l2TunnelId);
        egressVlan = determineEgressVlan(pw.l2TunnelPolicy().cP2OuterTag(), pw.l2TunnelPolicy().cP2InnerTag(), pw.l2TunnelPolicy().cP1OuterTag(), pw.l2TunnelPolicy().cP1InnerTag());
        result = deployPseudoWireInit(pw.l2Tunnel(), pw.l2TunnelPolicy().cP2(), pw.l2TunnelPolicy().cP1(), REV, revNextHop, oneHop, egressVlan);
        if (result != SUCCESS) {
            log.error("Deploying process : Error in deploying pseudowire {} initiation for CP2", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Error in deploying pseudowire initiation for CP2");
        }
        result = deployPolicy(l2TunnelId, pw.l2TunnelPolicy().cP2(), pw.l2TunnelPolicy().cP2InnerTag(), pw.l2TunnelPolicy().cP2OuterTag(), egressVlan, result.getNextId());
        if (result != SUCCESS) {
            log.error("Deploying process : Error in deploying policy {} for CP2", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Deploying process : Error in deploying policy for CP2");
        }
        result = deployPseudoWireTerm(pw.l2Tunnel(), pw.l2TunnelPolicy().cP1(), egressVlan, REV, oneHop);
        if (result != SUCCESS) {
            log.error("Deploying process : Error in deploying pseudowire {} termination for CP2", l2TunnelId);
            return Result.INTERNAL_ERROR.appendError("Error in deploying pseudowire termination for CP2");
        }
        log.info("Deploying process : Updating relevant information for pseudowire {}", l2TunnelId);
        // Populate stores as the final step of the process
        l2TunnelStore.put(Long.toString(l2TunnelId), pw.l2Tunnel());
        l2PolicyStore.put(Long.toString(l2TunnelId), pw.l2TunnelPolicy());
        return Result.SUCCESS;
    } catch (StorageException.Timeout e) {
        log.error("Can not acquire distributed lock for pseudowire {}!", pw.l2Tunnel().tunnelId());
        return Result.INTERNAL_ERROR.appendError("Can not acquire distributed lock!");
    } finally {
        // release the lock
        pwLock.unlock();
    }
}

Example 19 with Link

use of org.onosproject.net.Link in project ddosdn by ssulca.

the class Monitoring method getStatisticsEdgePorts.

/**
 * Retorna Conjunto de los PortStatistics de los puertos conectados a los edges
 * @param devId DeviceId del disposivo del cual se quiere obtener las estadisticas
 *             delta cada 10s
 * @return a Set con todos los PortStatics
 */
default Set<PortStatistics> getStatisticsEdgePorts(DeviceService deviceService, LinkService linkService, DeviceId devId, Logger log) {
    Device dev;
    Set<PortStatistics> portSet;
    portSet = new HashSet<>();
    // se obtienen todos los links conectado al dispostivo
    Set<Link> ingressLinks = linkService.getDeviceIngressLinks(devId);
    // busqueda en los enlaces, buscado conexiones con los edges
    for (Link link : ingressLinks) {
        dev = deviceService.getDevice(link.src().deviceId());
        try {
            if (dev.annotations().value(ANNT).equals(EDGE)) {
                // True: se agrega la estadistica del puerto.
                // log.info("dev/port: {}/{}",devId,link.dst().port()); //cometar
                portSet.add(deviceService.getDeltaStatisticsForPort(devId, link.dst().port()));
            }
        } catch (NullPointerException e) {
            log.error("No se encuentran las anotaciones EDGE :dev{}", dev.id().toString());
        }
    }
    return portSet;
}

Example 20 with Link

use of org.onosproject.net.Link in project ddosdn by ssulca.

the class Monitoring method getEdgeConnected.

/**
 * Get first EDGE device conetect to DISTRIBUTION device with next parameters
 * @param deviceService DeviceService
 * @param linkService LinkService
 * @param devId DISTRIBUTION DeviceId
 * @param portNumber DISTRIBUTION deviceId port conect
 * @param log Logger
 * @return EDGE device ID.
 */
default DeviceId getEdgeConnected(DeviceService deviceService, LinkService linkService, DeviceId devId, PortNumber portNumber, Logger log) {
    Device dev;
    Set<Link> ingressLinks;
    // se obtienen todos los links conectado al dispostivo
    ingressLinks = linkService.getDeviceIngressLinks(devId);
    // busqueda en los enlaces, buscado conexiones con los edges
    for (Link link : ingressLinks) {
        if (link.dst().port().equals(portNumber)) {
            dev = deviceService.getDevice(link.src().deviceId());
            try {
                if (dev.annotations().value(ANNT).equals(EDGE)) {
                    // log.info("dev/port: {}/{}",devId,link.dst().port()); //cometar
                    return dev.id();
                }
            } catch (NullPointerException e) {
                log.error("No se encuentran las anotaciones EDGE :dev{}", dev.id().toString());
            }
        }
    }
    return null;
}