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

Example 11 with Link

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

the class McastHandler method initInternal.

private void initInternal() {
    srManager.multicastRouteService.getRoutes().forEach(mcastRoute -> {
        lastMcastChange.set(Instant.now());
        log.debug("Init group {}", mcastRoute.group());
        if (!mcastUtils.isLeader(mcastRoute.group())) {
            log.debug("Skip {} due to lack of leadership", mcastRoute.group());
            return;
        }
        McastRouteData mcastRouteData = srManager.multicastRouteService.routeData(mcastRoute);
        // For each source process the mcast tree
        srManager.multicastRouteService.sources(mcastRoute).forEach(source -> {
            McastPathStoreKey pathStoreKey = new McastPathStoreKey(mcastRoute.group(), source);
            Collection<? extends List<Link>> storedPaths = Versioned.valueOrElse(mcastPathStore.get(pathStoreKey), Lists.newArrayList());
            Map<ConnectPoint, List<ConnectPoint>> mcastPaths = buildMcastPaths(storedPaths, mcastRoute.group(), source);
            // Get all the sinks and process them
            Set<ConnectPoint> sinks = processSinksToBeAdded(source, mcastRoute.group(), mcastRouteData.sinks());
            // Filter out all the working sinks, we do not want to move them
            // TODO we need a better way to distinguish flows coming from different sources
            sinks = sinks.stream().filter(sink -> !mcastPaths.containsKey(sink) || !isSinkForSource(mcastRoute.group(), sink, source)).collect(Collectors.toSet());
            if (sinks.isEmpty()) {
                log.debug("Skip {} for source {} nothing to do", mcastRoute.group(), source);
                return;
            }
            Map<ConnectPoint, List<Path>> mcasTree = mcastUtils.computeSinkMcastTree(mcastRoute.group(), source.deviceId(), sinks);
            mcasTree.forEach((sink, paths) -> processSinkAddedInternal(source, sink, mcastRoute.group(), null));
        });
    });
}

Example 12 with Link

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

the class DefaultGroupHandler method retryHash.

/**
 * Checks all groups in the src-device of link for neighbor sets that include
 * the dst-device of link, and edits the hash groups according to link up
 * or down. Should only be called by the instance leading the programming of
 * the src-switch of link. Typically used when there are no route-path
 * changes due to the link up or down, as the ECMPspg does not change.
 *
 * @param link the infrastructure link that has gone down or come up
 * @param linkDown true if link has gone down
 * @param firstTime true if link has come up for the first time i.e a link
 *                  not seen-before
 */
public void retryHash(Link link, boolean linkDown, boolean firstTime) {
    MacAddress neighborMac;
    try {
        neighborMac = deviceConfig.getDeviceMac(link.dst().deviceId());
    } catch (DeviceConfigNotFoundException e) {
        log.warn(e.getMessage() + " Aborting retryHash.");
        return;
    }
    // find all the destinationSets related to link
    Set<DestinationSetNextObjectiveStoreKey> dsKeySet = dsNextObjStore.entrySet().stream().filter(entry -> entry.getKey().deviceId().equals(deviceId)).filter(entry -> !entry.getKey().destinationSet().notBos() || (entry.getKey().destinationSet().notBos() && srManager.getMplsEcmp())).filter(entry -> !entry.getKey().destinationSet().swap() || (entry.getKey().destinationSet().swap() && srManager.getMplsEcmp())).filter(entry -> entry.getValue().containsNextHop(link.dst().deviceId())).map(entry -> entry.getKey()).collect(Collectors.toSet());
    log.debug("retryHash: dsNextObjStore contents for linkSrc {} -> linkDst {}: {}", deviceId, link.dst().deviceId(), dsKeySet);
    for (DestinationSetNextObjectiveStoreKey dsKey : dsKeySet) {
        NextNeighbors nextHops = dsNextObjStore.get(dsKey);
        if (nextHops == null) {
            log.warn("retryHash in device {}, but global store has no record " + "for dsKey:{}", deviceId, dsKey);
            continue;
        }
        int nextId = nextHops.nextId();
        Set<DeviceId> dstSet = nextHops.getDstForNextHop(link.dst().deviceId());
        if (!linkDown) {
            List<PortLabel> pl = Lists.newArrayList();
            if (firstTime) {
                // to the same hash group are avoided by the driver.
                for (PortNumber p : devicePortMap.get(link.dst().deviceId())) {
                    dstSet.forEach(dst -> {
                        int edgeLabel = dsKey.destinationSet().getEdgeLabel(dst);
                        pl.add(new PortLabel(p, edgeLabel, popVlanInHashGroup(dsKey.destinationSet())));
                    });
                }
                addToHashedNextObjective(pl, neighborMac, nextId);
            } else {
                // handle only the port that came up
                dstSet.forEach(dst -> {
                    int edgeLabel = dsKey.destinationSet().getEdgeLabel(dst);
                    pl.add(new PortLabel(link.src().port(), edgeLabel, popVlanInHashGroup(dsKey.destinationSet())));
                });
                addToHashedNextObjective(pl, neighborMac, nextId);
            }
        } else {
            // linkdown
            List<PortLabel> pl = Lists.newArrayList();
            dstSet.forEach(dst -> {
                int edgeLabel = dsKey.destinationSet().getEdgeLabel(dst);
                pl.add(new PortLabel(link.src().port(), edgeLabel, popVlanInHashGroup(dsKey.destinationSet())));
            });
            removeFromHashedNextObjective(pl, neighborMac, nextId);
        }
    }
}

Example 13 with Link

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

the class LinkHandler method updateHostPorts.

/**
 * Administratively enables or disables edge ports if the link that was
 * added or removed was the only uplink port from an edge device. Edge ports
 * that belong to dual-homed hosts are always processed. In addition,
 * single-homed host ports are optionally processed depending on the
 * singleHomedDown property.
 *
 * @param link the link to be processed
 * @param added true if link was added, false if link was removed
 */
private void updateHostPorts(Link link, boolean added) {
    // Topology has only a single pair of leaves
    if (srManager.getInfraDeviceIds().isEmpty()) {
        log.debug("No spine configured. Not updating edge port for {} {}", link, added ? "add" : "remove");
        return;
    }
    DeviceConfiguration devConfig = srManager.deviceConfiguration;
    if (added) {
        try {
            if (!devConfig.isEdgeDevice(link.src().deviceId()) || devConfig.isEdgeDevice(link.dst().deviceId())) {
                return;
            }
        } catch (DeviceConfigNotFoundException e) {
            log.warn("Unable to determine if link is a valid uplink" + e.getMessage());
        }
        // re-enable previously disabled ports on this edge-device if any
        Set<PortNumber> p = downedPortStore.remove(link.src().deviceId());
        if (p != null) {
            log.warn("Link src {} --> dst {} added is an edge-device uplink, " + "enabling dual homed ports if any: {}", link.src().deviceId(), link.dst().deviceId(), (p.isEmpty()) ? "no ports" : p);
            p.forEach(pnum -> srManager.deviceAdminService.changePortState(link.src().deviceId(), pnum, true));
        }
    } else {
        // If the device does not have a pair device - skip
        DeviceId dev = link.src().deviceId();
        if (getPairDeviceIdOrNull(dev) == null) {
            log.info("Device {} does not have pair device " + "not disabling access port", dev);
            return;
        }
        // Verify if last uplink
        if (!lastUplink(link)) {
            return;
        }
        // find dual homed hosts on this dev to disable
        Set<PortNumber> dp = srManager.hostHandler.getDualHomedHostPorts(dev);
        log.warn("Link src {} --> dst {} removed was the last uplink, " + "disabling  dual homed ports:  {}", dev, link.dst().deviceId(), (dp.isEmpty()) ? "no ports" : dp);
        dp.forEach(pnum -> srManager.deviceAdminService.changePortState(dev, pnum, false));
        if (srManager.singleHomedDown) {
            // get all configured ports and down them if they haven't already
            // been downed
            srManager.deviceService.getPorts(dev).stream().filter(p -> p.isEnabled() && !dp.contains(p.number())).filter(p -> srManager.interfaceService.isConfigured(new ConnectPoint(dev, p.number()))).filter(p -> !srManager.deviceConfiguration.isPairLocalPort(dev, p.number())).forEach(p -> {
                log.warn("Last uplink gone src {} -> dst {} .. removing " + "configured port {}", p.number());
                srManager.deviceAdminService.changePortState(dev, p.number(), false);
                dp.add(p.number());
            });
        }
        if (!dp.isEmpty()) {
            // update global store
            Set<PortNumber> p = downedPortStore.get(dev);
            if (p == null) {
                p = dp;
            } else {
                p.addAll(dp);
            }
            downedPortStore.put(link.src().deviceId(), p);
        }
    }
}

Example 14 with Link

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

the class LinkHandler method getBidiComponentLinks.

/**
 * Returns the component unidirectional links of a declared bidirectional
 * link, by consulting the seen-links store. Caller is responsible for
 * previously verifying bidirectionality. Returned list may be empty if
 * errors are encountered.
 *
 * @param link the declared bidirectional link
 * @return list of component unidirectional links
 */
List<Link> getBidiComponentLinks(Link link) {
    Link reverseLink = getReverseLink(link);
    List<Link> componentLinks;
    if (reverseLink == null) {
        // really should not happen if link is bidi
        log.error("cannot find reverse link for given link: {} ... is it " + "bi-directional?", link);
        componentLinks = ImmutableList.of();
    } else {
        componentLinks = ImmutableList.of(reverseLink, link);
    }
    return componentLinks;
}

Example 15 with Link

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

the class LinkHandler method isBidirectionalLinkDown.

/**
 * Returns true if the link being queried is a bidirectional link that is
 * down. A bidi-link is defined as a component unidirectional link, whose
 * reverse link - i.e the component unidirectional link in the reverse
 * direction - has been seen before and is down. It is necessary for the
 * reverse-link to have been previously seen.
 *
 * @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 down
 */
boolean isBidirectionalLinkDown(Link link) {
    // cannot call linkService as link may be gone
    Link reverseLink = getReverseLink(link);
    if (reverseLink == null) {
        log.warn("Query for bidi-link down but reverse-link not found " + "for link {}", link);
        return false;
    }
    Boolean result = seenLinks.get(reverseLink);
    if (result == null) {
        return false;
    }
    // if reverse link is seen UP (true), then its not bidi yet
    return !result.booleanValue();
}