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

Example 16 with ConnectPoint

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

the class SegmentRoutingManager method removeSubnetConfig.

private void removeSubnetConfig(ConnectPoint cp, Set<InterfaceIpAddress> ipAddressSet) {
    Set<IpPrefix> ipPrefixSet = ipAddressSet.stream().map(InterfaceIpAddress::subnetAddress).collect(Collectors.toSet());
    Set<InterfaceIpAddress> deviceIntfIpAddrs = interfaceService.getInterfaces().stream().filter(intf -> intf.connectPoint().deviceId().equals(cp.deviceId())).filter(intf -> !intf.connectPoint().equals(cp)).flatMap(intf -> intf.ipAddressesList().stream()).collect(Collectors.toSet());
    // 1. Partial subnet population
    // Remove routing rules for removed subnet from previous configuration,
    // which does not also exist in other interfaces in the same device
    Set<IpPrefix> deviceIpPrefixSet = deviceIntfIpAddrs.stream().map(InterfaceIpAddress::subnetAddress).collect(Collectors.toSet());
    Set<IpPrefix> subnetsToBeRevoked = ipPrefixSet.stream().filter(ipPrefix -> !deviceIpPrefixSet.contains(ipPrefix)).collect(Collectors.toSet());
    // Check if any of the subnets to be revoked is configured in the pairDevice.
    // If any, repopulate the subnet with pairDevice connectPoint instead of revoking.
    Optional<DeviceId> pairDevice = getPairDeviceId(cp.deviceId());
    if (pairDevice.isPresent()) {
        Set<IpPrefix> pairDeviceIpPrefix = getDeviceSubnetMap().get(pairDevice.get());
        Set<IpPrefix> subnetsExistingInPairDevice = subnetsToBeRevoked.stream().filter(ipPrefix -> pairDeviceIpPrefix.contains(ipPrefix)).collect(Collectors.toSet());
        // Update the subnets existing in pair device with pair device connect point.
        if (!subnetsExistingInPairDevice.isEmpty()) {
            // PortNumber of connect point is not relevant in populate subnet and hence providing as ANY.
            ConnectPoint pairDeviceCp = new ConnectPoint(pairDevice.get(), PortNumber.ANY);
            log.debug("Updating the subnets: {} with pairDevice connectPoint as it exists in the Pair device: {}", subnetsExistingInPairDevice, pairDeviceCp);
            defaultRoutingHandler.populateSubnet(Collections.singleton(pairDeviceCp), subnetsExistingInPairDevice);
        }
        // Remove only the subnets that are not configured in the pairDevice.
        subnetsToBeRevoked = Sets.difference(subnetsToBeRevoked, subnetsExistingInPairDevice);
    }
    if (!subnetsToBeRevoked.isEmpty()) {
        log.debug("Removing subnets for connectPoint: {}, subnets: {}", cp, subnetsToBeRevoked);
        defaultRoutingHandler.revokeSubnet(subnetsToBeRevoked, cp.deviceId());
    }
    // 2. Interface IP punts
    // Remove IP punts for old Intf address
    Set<IpAddress> deviceIpAddrs = deviceIntfIpAddrs.stream().map(InterfaceIpAddress::ipAddress).collect(Collectors.toSet());
    ipAddressSet.stream().map(InterfaceIpAddress::ipAddress).filter(interfaceIpAddress -> !deviceIpAddrs.contains(interfaceIpAddress)).forEach(interfaceIpAddress -> routingRulePopulator.revokeSingleIpPunts(cp.deviceId(), interfaceIpAddress));
    // 3. Host unicast routing rule
    // Remove unicast routing rule
    hostEventExecutor.execute(() -> hostHandler.processIntfIpUpdatedEvent(cp, ipPrefixSet, false));
}

Example 17 with ConnectPoint

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

the class McastHandler method recoverFailure.

/**
 * General failure recovery procedure.
 *
 * @param mcastIp the group to recover
 * @param failedElement the failed element
 */
private void recoverFailure(IpAddress mcastIp, Object failedElement) {
    // Do not proceed if we are not the leaders
    if (!mcastUtils.isLeader(mcastIp)) {
        log.debug("Skip {} due to lack of leadership", mcastIp);
        return;
    }
    // Skip if it is not an infra failure
    Set<DeviceId> transitDevices = getDevice(mcastIp, TRANSIT);
    if (!mcastUtils.isInfraFailure(transitDevices, failedElement)) {
        log.debug("Skip {} not an infrastructure failure", mcastIp);
        return;
    }
    // Do not proceed if the sources of this group are missing
    Set<ConnectPoint> sources = getSources(mcastIp);
    if (sources.isEmpty()) {
        log.warn("Missing sources for group {}", mcastIp);
        return;
    }
    // Get all the paths, affected paths, good links and good devices
    Set<List<Link>> storedPaths = getStoredPaths(mcastIp);
    Set<List<Link>> affectedPaths = mcastUtils.getAffectedPaths(storedPaths, failedElement);
    Set<Link> goodLinks = Sets.newHashSet();
    Map<DeviceId, Set<DeviceId>> goodDevicesBySource = Maps.newHashMap();
    Map<DeviceId, Set<ConnectPoint>> processedSourcesByEgress = Maps.newHashMap();
    Sets.difference(storedPaths, affectedPaths).forEach(goodPath -> {
        goodLinks.addAll(goodPath);
        DeviceId srcDevice = goodPath.get(0).src().deviceId();
        Set<DeviceId> goodDevices = Sets.newHashSet();
        goodPath.forEach(link -> goodDevices.add(link.src().deviceId()));
        goodDevicesBySource.compute(srcDevice, (k, v) -> {
            v = v == null ? Sets.newHashSet() : v;
            v.addAll(goodDevices);
            return v;
        });
    });
    affectedPaths.forEach(affectedPath -> {
        // TODO remove
        log.info("Good links {}", goodLinks);
        // TODO remove
        log.info("Good devices {}", goodDevicesBySource);
        // TODO trace
        log.info("Healing the path {}", affectedPath);
        DeviceId srcDevice = affectedPath.get(0).src().deviceId();
        DeviceId dstDevice = affectedPath.get(affectedPath.size() - 1).dst().deviceId();
        // Fix in one shot multiple sources
        Set<ConnectPoint> affectedSources = sources.stream().filter(device -> device.deviceId().equals(srcDevice)).collect(Collectors.toSet());
        Set<ConnectPoint> processedSources = processedSourcesByEgress.getOrDefault(dstDevice, Collections.emptySet());
        Optional<Path> alternativePath = getPath(srcDevice, dstDevice, mcastIp, null);
        // If an alternative is possible go ahead
        if (alternativePath.isPresent()) {
            // TODO trace
            log.info("Alternative path {}", alternativePath.get().links());
        } else {
            // Otherwise try to come up with an alternative
            // TODO trace
            log.info("No alternative path");
            Set<ConnectPoint> notAffectedSources = Sets.difference(sources, affectedSources);
            Set<ConnectPoint> remainingSources = Sets.difference(notAffectedSources, processedSources);
            alternativePath = recoverSinks(dstDevice, mcastIp, affectedSources, remainingSources);
            processedSourcesByEgress.compute(dstDevice, (k, v) -> {
                v = v == null ? Sets.newHashSet() : v;
                v.addAll(affectedSources);
                return v;
            });
        }
        // Recover from the failure if possible
        Optional<Path> finalPath = alternativePath;
        affectedSources.forEach(affectedSource -> {
            // Update the mcastPath store
            McastPathStoreKey mcastPathStoreKey = new McastPathStoreKey(mcastIp, affectedSource);
            // Verify if there are local sinks
            Set<DeviceId> localSinks = getSinks(mcastIp, srcDevice, affectedSource).stream().map(ConnectPoint::deviceId).collect(Collectors.toSet());
            Set<DeviceId> goodDevices = goodDevicesBySource.compute(affectedSource.deviceId(), (k, v) -> {
                v = v == null ? Sets.newHashSet() : v;
                v.addAll(localSinks);
                return v;
            });
            // TODO remove
            log.info("Good devices {}", goodDevicesBySource);
            Collection<? extends List<Link>> storedPathsBySource = Versioned.valueOrElse(mcastPathStore.get(mcastPathStoreKey), Lists.newArrayList());
            Optional<? extends List<Link>> storedPath = storedPathsBySource.stream().filter(path -> path.equals(affectedPath)).findFirst();
            // Remove bad links
            affectedPath.forEach(affectedLink -> {
                DeviceId affectedDevice = affectedLink.src().deviceId();
                // If there is overlap with good paths - skip it
                if (!goodLinks.contains(affectedLink)) {
                    removePortFromDevice(affectedDevice, affectedLink.src().port(), mcastIp, mcastUtils.assignedVlan(affectedDevice.equals(affectedSource.deviceId()) ? affectedSource : null));
                }
                // Remove role on the affected links if last
                if (!goodDevices.contains(affectedDevice)) {
                    mcastRoleStore.remove(new McastRoleStoreKey(mcastIp, affectedDevice, affectedSource));
                }
            });
            // trying with the original object as workaround
            if (storedPath.isPresent()) {
                mcastPathStore.remove(mcastPathStoreKey, storedPath.get());
            } else {
                log.warn("Unable to find the corresponding path - trying removeal");
                mcastPathStore.remove(mcastPathStoreKey, affectedPath);
            }
            // Program new links
            if (finalPath.isPresent()) {
                List<Link> links = finalPath.get().links();
                installPath(mcastIp, affectedSource, links);
                mcastPathStore.put(mcastPathStoreKey, links);
                links.forEach(link -> goodDevices.add(link.src().deviceId()));
                goodDevicesBySource.compute(srcDevice, (k, v) -> {
                    v = v == null ? Sets.newHashSet() : v;
                    v.addAll(goodDevices);
                    return v;
                });
                goodLinks.addAll(finalPath.get().links());
            }
        });
    });
}

Example 18 with ConnectPoint

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

the class McastHandler method getSinks.

/**
 * Gets sink(s) of given multicast group.
 *
 * @param mcastIp multicast IP
 * @return set of connect point or empty set if not found
 */
private Set<ConnectPoint> getSinks(IpAddress mcastIp, DeviceId device, ConnectPoint source) {
    McastPathStoreKey pathStoreKey = new McastPathStoreKey(mcastIp, source);
    Collection<? extends List<Link>> storedPaths = Versioned.valueOrElse(mcastPathStore.get(pathStoreKey), Lists.newArrayList());
    VlanId assignedVlan = mcastUtils.assignedVlan(device.equals(source.deviceId()) ? source : null);
    McastStoreKey mcastStoreKey = new McastStoreKey(mcastIp, device, assignedVlan);
    NextObjective nextObjective = Versioned.valueOrNull(mcastNextObjStore.get(mcastStoreKey));
    ImmutableSet.Builder<ConnectPoint> cpBuilder = ImmutableSet.builder();
    if (nextObjective != null) {
        Set<PortNumber> outputPorts = mcastUtils.getPorts(nextObjective.next());
        outputPorts.forEach(portNumber -> cpBuilder.add(new ConnectPoint(device, portNumber)));
    }
    Set<ConnectPoint> egressCp = cpBuilder.build();
    return egressCp.stream().filter(connectPoint -> !mcastUtils.isInfraPort(connectPoint, storedPaths)).collect(Collectors.toSet());
}

Example 19 with ConnectPoint

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

the class McastHandler method buildMcastPaths.

/**
 * Build the mcast paths.
 *
 * @param storedPaths mcast tree
 * @param mcastIp the group ip
 * @param source the source
 */
private Map<ConnectPoint, List<ConnectPoint>> buildMcastPaths(Collection<? extends List<Link>> storedPaths, IpAddress mcastIp, ConnectPoint source) {
    Map<ConnectPoint, List<ConnectPoint>> mcastTree = Maps.newHashMap();
    // Local sinks
    Set<ConnectPoint> localSinks = getSinks(mcastIp, source.deviceId(), source);
    localSinks.forEach(localSink -> mcastTree.put(localSink, Lists.newArrayList(localSink, source)));
    // Remote sinks
    storedPaths.forEach(path -> {
        List<Link> links = path;
        DeviceId egressDevice = links.get(links.size() - 1).dst().deviceId();
        Set<ConnectPoint> remoteSinks = getSinks(mcastIp, egressDevice, source);
        List<ConnectPoint> connectPoints = Lists.newArrayList(source);
        links.forEach(link -> {
            connectPoints.add(link.src());
            connectPoints.add(link.dst());
        });
        Collections.reverse(connectPoints);
        remoteSinks.forEach(remoteSink -> {
            List<ConnectPoint> finalPath = Lists.newArrayList(connectPoints);
            finalPath.add(0, remoteSink);
            mcastTree.put(remoteSink, finalPath);
        });
    });
    return mcastTree;
}

Example 20 with ConnectPoint

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

the class McastHandler method processMcastEventInternal.

private void processMcastEventInternal(McastEvent event) {
    lastMcastChange.set(Instant.now());
    // Current subject is null, for ROUTE_REMOVED events
    final McastRouteUpdate mcastUpdate = event.subject();
    final McastRouteUpdate mcastPrevUpdate = event.prevSubject();
    IpAddress mcastIp = mcastPrevUpdate.route().group();
    Set<ConnectPoint> prevSinks = mcastPrevUpdate.sinks().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
    Set<ConnectPoint> prevSources = mcastPrevUpdate.sources().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
    Set<ConnectPoint> sources;
    // Events handling
    if (event.type() == ROUTE_ADDED) {
        processRouteAddedInternal(mcastUpdate.route().group());
    } else if (event.type() == ROUTE_REMOVED) {
        processRouteRemovedInternal(prevSources, mcastIp);
    } else if (event.type() == SOURCES_ADDED) {
        // Current subject and prev just differ for the source connect points
        sources = mcastUpdate.sources().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
        Set<ConnectPoint> sourcesToBeAdded = Sets.difference(sources, prevSources);
        processSourcesAddedInternal(sourcesToBeAdded, mcastIp, mcastUpdate.sinks());
    } else if (event.type() == SOURCES_REMOVED) {
        // Current subject and prev just differ for the source connect points
        sources = mcastUpdate.sources().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
        Set<ConnectPoint> sourcesToBeRemoved = Sets.difference(prevSources, sources);
        processSourcesRemovedInternal(sourcesToBeRemoved, sources, mcastIp, mcastUpdate.sinks());
    } else if (event.type() == SINKS_ADDED) {
        processSinksAddedInternal(prevSources, mcastIp, mcastUpdate.sinks(), prevSinks);
    } else if (event.type() == SINKS_REMOVED) {
        processSinksRemovedInternal(prevSources, mcastIp, mcastUpdate.sinks(), mcastPrevUpdate.sinks());
    } else {
        log.warn("Event {} not handled", event);
    }
}