| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.segmentrouting.grouphandler; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.stream.Collectors; |
| |
| import org.onlab.packet.Ip4Prefix; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.MplsLabel; |
| import org.onlab.packet.VlanId; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flowobjective.DefaultNextObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.net.flowobjective.ObjectiveContext; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| import org.onosproject.net.link.LinkService; |
| import org.onosproject.segmentrouting.SegmentRoutingManager; |
| import org.onosproject.segmentrouting.config.DeviceConfigNotFoundException; |
| import org.onosproject.segmentrouting.config.DeviceProperties; |
| import org.onosproject.store.service.EventuallyConsistentMap; |
| import org.slf4j.Logger; |
| |
| /** |
| * Default ECMP group handler creation module. This component creates a set of |
| * ECMP groups for every neighbor that this device is connected to based on |
| * whether the current device is an edge device or a transit device. |
| */ |
| public class DefaultGroupHandler { |
| protected static final Logger log = getLogger(DefaultGroupHandler.class); |
| |
| protected final DeviceId deviceId; |
| protected final ApplicationId appId; |
| protected final DeviceProperties deviceConfig; |
| protected final List<Integer> allSegmentIds; |
| protected int nodeSegmentId = -1; |
| protected boolean isEdgeRouter = false; |
| protected MacAddress nodeMacAddr = null; |
| protected LinkService linkService; |
| protected FlowObjectiveService flowObjectiveService; |
| // local store for neighbor-device-ids and the set of ports on this device |
| // that connect to the same neighbor |
| protected ConcurrentHashMap<DeviceId, Set<PortNumber>> devicePortMap = |
| new ConcurrentHashMap<>(); |
| //local store for ports on this device connected to neighbor-device-id |
| protected ConcurrentHashMap<PortNumber, DeviceId> portDeviceMap = |
| new ConcurrentHashMap<>(); |
| protected EventuallyConsistentMap<NeighborSetNextObjectiveStoreKey, Integer> |
| nsNextObjStore = null; |
| protected EventuallyConsistentMap<SubnetNextObjectiveStoreKey, Integer> |
| subnetNextObjStore = null; |
| protected EventuallyConsistentMap<PortNextObjectiveStoreKey, Integer> |
| portNextObjStore = null; |
| protected EventuallyConsistentMap<XConnectNextObjectiveStoreKey, Integer> |
| xConnectNextObjStore = null; |
| private SegmentRoutingManager srManager; |
| |
| protected KryoNamespace.Builder kryo = new KryoNamespace.Builder() |
| .register(URI.class).register(HashSet.class) |
| .register(DeviceId.class).register(PortNumber.class) |
| .register(NeighborSet.class).register(PolicyGroupIdentifier.class) |
| .register(PolicyGroupParams.class) |
| .register(GroupBucketIdentifier.class) |
| .register(GroupBucketIdentifier.BucketOutputType.class); |
| |
| protected DefaultGroupHandler(DeviceId deviceId, ApplicationId appId, |
| DeviceProperties config, |
| LinkService linkService, |
| FlowObjectiveService flowObjService, |
| SegmentRoutingManager srManager) { |
| this.deviceId = checkNotNull(deviceId); |
| this.appId = checkNotNull(appId); |
| this.deviceConfig = checkNotNull(config); |
| this.linkService = checkNotNull(linkService); |
| this.allSegmentIds = checkNotNull(config.getAllDeviceSegmentIds()); |
| try { |
| this.nodeSegmentId = config.getSegmentId(deviceId); |
| this.isEdgeRouter = config.isEdgeDevice(deviceId); |
| this.nodeMacAddr = checkNotNull(config.getDeviceMac(deviceId)); |
| } catch (DeviceConfigNotFoundException e) { |
| log.warn(e.getMessage() |
| + " Skipping value assignment in DefaultGroupHandler"); |
| } |
| this.flowObjectiveService = flowObjService; |
| this.nsNextObjStore = srManager.nsNextObjStore; |
| this.subnetNextObjStore = srManager.subnetNextObjStore; |
| this.portNextObjStore = srManager.portNextObjStore; |
| this.xConnectNextObjStore = srManager.xConnectNextObjStore; |
| this.srManager = srManager; |
| |
| populateNeighborMaps(); |
| } |
| |
| /** |
| * Creates a group handler object based on the type of device. If device is |
| * of edge type it returns edge group handler, else it returns transit group |
| * handler. |
| * |
| * @param deviceId device identifier |
| * @param appId application identifier |
| * @param config interface to retrieve the device properties |
| * @param linkService link service object |
| * @param flowObjService flow objective service object |
| * @param srManager segment routing manager |
| * @throws DeviceConfigNotFoundException if the device configuration is not found |
| * @return default group handler type |
| */ |
| public static DefaultGroupHandler createGroupHandler( |
| DeviceId deviceId, |
| ApplicationId appId, |
| DeviceProperties config, |
| LinkService linkService, |
| FlowObjectiveService flowObjService, |
| SegmentRoutingManager srManager) |
| throws DeviceConfigNotFoundException { |
| // handle possible exception in the caller |
| if (config.isEdgeDevice(deviceId)) { |
| return new DefaultEdgeGroupHandler(deviceId, appId, config, |
| linkService, |
| flowObjService, |
| srManager |
| ); |
| } else { |
| return new DefaultTransitGroupHandler(deviceId, appId, config, |
| linkService, |
| flowObjService, |
| srManager); |
| } |
| } |
| |
| /** |
| * Creates the auto created groups for this device based on the current |
| * snapshot of the topology. |
| */ |
| // Empty implementations to be overridden by derived classes |
| public void createGroups() { |
| } |
| |
| /** |
| * Performs group creation or update procedures when a new link is |
| * discovered on this device. |
| * |
| * @param newLink new neighbor link |
| * @param isMaster true if local instance is the master |
| * |
| */ |
| public void linkUp(Link newLink, boolean isMaster) { |
| |
| if (newLink.type() != Link.Type.DIRECT) { |
| log.warn("linkUp: unknown link type"); |
| return; |
| } |
| |
| if (!newLink.src().deviceId().equals(deviceId)) { |
| log.warn("linkUp: deviceId{} doesn't match with link src{}", |
| deviceId, newLink.src().deviceId()); |
| return; |
| } |
| |
| log.info("* LinkUP: Device {} linkUp at local port {} to neighbor {}", deviceId, |
| newLink.src().port(), newLink.dst().deviceId()); |
| MacAddress dstMac; |
| try { |
| dstMac = deviceConfig.getDeviceMac(newLink.dst().deviceId()); |
| } catch (DeviceConfigNotFoundException e) { |
| log.warn(e.getMessage() + " Aborting linkUp."); |
| return; |
| } |
| |
| addNeighborAtPort(newLink.dst().deviceId(), |
| newLink.src().port()); |
| /*if (devicePortMap.get(newLink.dst().deviceId()) == null) { |
| // New Neighbor |
| newNeighbor(newLink); |
| } else { |
| // Old Neighbor |
| newPortToExistingNeighbor(newLink); |
| }*/ |
| Set<NeighborSet> nsSet = nsNextObjStore.keySet() |
| .stream() |
| .filter((nsStoreEntry) -> (nsStoreEntry.deviceId().equals(deviceId))) |
| .map((nsStoreEntry) -> (nsStoreEntry.neighborSet())) |
| .filter((ns) -> (ns.getDeviceIds() |
| .contains(newLink.dst().deviceId()))) |
| .collect(Collectors.toSet()); |
| log.trace("linkUp: nsNextObjStore contents for device {}:", |
| deviceId, |
| nsSet); |
| for (NeighborSet ns : nsSet) { |
| Integer nextId = nsNextObjStore. |
| get(new NeighborSetNextObjectiveStoreKey(deviceId, ns)); |
| if (nextId != null && isMaster) { |
| // Create the new bucket to be updated |
| TrafficTreatment.Builder tBuilder = |
| DefaultTrafficTreatment.builder(); |
| tBuilder.setOutput(newLink.src().port()) |
| .setEthDst(dstMac) |
| .setEthSrc(nodeMacAddr); |
| if (ns.getEdgeLabel() != NeighborSet.NO_EDGE_LABEL) { |
| tBuilder.pushMpls() |
| .copyTtlOut() |
| .setMpls(MplsLabel.mplsLabel(ns.getEdgeLabel())); |
| } |
| // setup metadata to pass to nextObjective - indicate the vlan on egress |
| // if needed by the switch pipeline. Since hashed next-hops are always to |
| // other neighboring routers, there is no subnet assigned on those ports. |
| TrafficSelector.Builder metabuilder = DefaultTrafficSelector.builder(); |
| metabuilder.matchVlanId( |
| VlanId.vlanId(SegmentRoutingManager.ASSIGNED_VLAN_NO_SUBNET)); |
| |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective.builder() |
| .withId(nextId) |
| .withType(NextObjective.Type.HASHED) |
| .addTreatment(tBuilder.build()) |
| .withMeta(metabuilder.build()) |
| .fromApp(appId); |
| log.info("**linkUp in device {}: Adding Bucket " |
| + "with Port {} to next object id {}", |
| deviceId, |
| newLink.src().port(), |
| nextId); |
| NextObjective nextObjective = nextObjBuilder. |
| addToExisting(new SRNextObjectiveContext(deviceId)); |
| flowObjectiveService.next(deviceId, nextObjective); |
| |
| // the addition of a bucket may actually change the neighborset |
| // update the global store |
| /* |
| Set<DeviceId> neighbors = new HashSet<DeviceId>(ns.getDeviceIds()); |
| boolean newadd = neighbors.add(newLink.dst().deviceId()); |
| if (newadd) { |
| NeighborSet nsnew = new NeighborSet(neighbors, ns.getEdgeLabel()); |
| nsNextObjStore.put(new NeighborSetNextObjectiveStoreKey(deviceId, nsnew), |
| nextId); |
| nsNextObjStore.remove(new NeighborSetNextObjectiveStoreKey(deviceId, ns)); |
| }*/ |
| } else if (isMaster) { |
| log.warn("linkUp in device {}, but global store has no record " |
| + "for neighbor-set {}", deviceId, ns); |
| } |
| } |
| } |
| |
| /** |
| * Performs group recovery procedures when a port goes down on this device. |
| * |
| * @param port port number that has gone down |
| * @param isMaster true if local instance is the master |
| */ |
| public void portDown(PortNumber port, boolean isMaster) { |
| if (portDeviceMap.get(port) == null) { |
| log.warn("portDown: unknown port"); |
| return; |
| } |
| |
| @SuppressWarnings("unused") |
| MacAddress dstMac; |
| try { |
| dstMac = deviceConfig.getDeviceMac(portDeviceMap.get(port)); |
| } catch (DeviceConfigNotFoundException e) { |
| log.warn(e.getMessage() + " Aborting portDown."); |
| return; |
| } |
| |
| log.debug("Device {} portDown {} to neighbor {}", deviceId, port, |
| portDeviceMap.get(port)); |
| /*Set<NeighborSet> nsSet = computeImpactedNeighborsetForPortEvent(portDeviceMap |
| .get(port), |
| devicePortMap |
| .keySet());*/ |
| Set<NeighborSet> nsSet = nsNextObjStore.keySet() |
| .stream() |
| .filter((nsStoreEntry) -> (nsStoreEntry.deviceId().equals(deviceId))) |
| .map((nsStoreEntry) -> (nsStoreEntry.neighborSet())) |
| .filter((ns) -> (ns.getDeviceIds() |
| .contains(portDeviceMap.get(port)))) |
| .collect(Collectors.toSet()); |
| log.debug("portDown: nsNextObjStore contents for device {}:{}", |
| deviceId, nsSet); |
| for (NeighborSet ns : nsSet) { |
| NeighborSetNextObjectiveStoreKey nsStoreKey = |
| new NeighborSetNextObjectiveStoreKey(deviceId, ns); |
| Integer nextId = nsNextObjStore.get(nsStoreKey); |
| if (nextId != null && isMaster) { |
| // XXX This is a workaround for BUG (CORD-611) in current switches. |
| // Should be temporary because this workaround prevents correct |
| // functionality in LAG recovery. |
| log.info("**portDown port:{} in device {}: Invalidating nextId {}", |
| port, deviceId, nextId); |
| nsNextObjStore.remove(nsStoreKey); |
| /* |
| log.info("**portDown in device {}: Removing Bucket " |
| + "with Port {} to next object id {}", |
| deviceId, |
| port, |
| nextId); |
| // Create the bucket to be removed |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment |
| .builder(); |
| tBuilder.setOutput(port) |
| .setEthDst(dstMac) |
| .setEthSrc(nodeMacAddr); |
| if (ns.getEdgeLabel() != NeighborSet.NO_EDGE_LABEL) { |
| tBuilder.pushMpls() |
| .copyTtlOut() |
| .setMpls(MplsLabel.mplsLabel(ns.getEdgeLabel())); |
| } |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder() |
| .withType(NextObjective.Type.HASHED) //same as original |
| .withId(nextId) |
| .fromApp(appId) |
| .addTreatment(tBuilder.build()); |
| NextObjective nextObjective = nextObjBuilder. |
| removeFromExisting(new SRNextObjectiveContext(deviceId)); |
| |
| flowObjectiveService.next(deviceId, nextObjective); |
| */ |
| // the removal of a bucket may actually change the neighborset |
| // update the global store |
| /* |
| Set<DeviceId> neighbors = new HashSet<DeviceId>(ns.getDeviceIds()); |
| boolean removed = neighbors.remove(portDeviceMap.get(port)); |
| if (removed) { |
| NeighborSet nsnew = new NeighborSet(neighbors, ns.getEdgeLabel()); |
| nsNextObjStore.put(new NeighborSetNextObjectiveStoreKey(deviceId, nsnew), |
| nextId); |
| nsNextObjStore.remove(new NeighborSetNextObjectiveStoreKey(deviceId, ns)); |
| }*/ |
| } |
| |
| } |
| |
| devicePortMap.get(portDeviceMap.get(port)).remove(port); |
| portDeviceMap.remove(port); |
| } |
| |
| /** |
| * Returns the next objective of type hashed associated with the neighborset. |
| * If there is no next objective for this neighborset, this method |
| * would create a next objective and return. Optionally metadata can be |
| * passed in for the creation of the next objective. |
| * |
| * @param ns neighborset |
| * @param meta metadata passed into the creation of a Next Objective |
| * @return int if found or -1 if there are errors in the creation of the |
| * neighbor set. |
| */ |
| public int getNextObjectiveId(NeighborSet ns, TrafficSelector meta) { |
| Integer nextId = nsNextObjStore. |
| get(new NeighborSetNextObjectiveStoreKey(deviceId, ns)); |
| if (nextId == null) { |
| log.trace("getNextObjectiveId in device{}: Next objective id " |
| + "not found for {} and creating", deviceId, ns); |
| log.trace("getNextObjectiveId: nsNextObjStore contents for device {}: {}", |
| deviceId, |
| nsNextObjStore.entrySet() |
| .stream() |
| .filter((nsStoreEntry) -> |
| (nsStoreEntry.getKey().deviceId().equals(deviceId))) |
| .collect(Collectors.toList())); |
| createGroupsFromNeighborsets(Collections.singleton(ns), meta); |
| nextId = nsNextObjStore. |
| get(new NeighborSetNextObjectiveStoreKey(deviceId, ns)); |
| if (nextId == null) { |
| log.warn("getNextObjectiveId: unable to create next objective"); |
| return -1; |
| } else { |
| log.debug("getNextObjectiveId in device{}: Next objective id {} " |
| + "created for {}", deviceId, nextId, ns); |
| } |
| } else { |
| log.trace("getNextObjectiveId in device{}: Next objective id {} " |
| + "found for {}", deviceId, nextId, ns); |
| } |
| return nextId; |
| } |
| |
| /** |
| * Returns the next objective of type broadcast associated with the subnet, |
| * or -1 if no such objective exists. Note that this method does NOT create |
| * the next objective as a side-effect. It is expected that is objective is |
| * created at startup from network configuration. |
| * |
| * @param prefix subnet information |
| * @return int if found or -1 |
| */ |
| public int getSubnetNextObjectiveId(IpPrefix prefix) { |
| Integer nextId = subnetNextObjStore. |
| get(new SubnetNextObjectiveStoreKey(deviceId, prefix)); |
| |
| return (nextId != null) ? nextId : -1; |
| } |
| |
| /** |
| * Returns the next objective of type simple associated with the port on the |
| * device, given the treatment. Different treatments to the same port result |
| * in different next objectives. If no such objective exists, this method |
| * creates one and returns the id. Optionally metadata can be passed in for |
| * the creation of the objective. |
| * |
| * @param portNum the port number for the simple next objective |
| * @param treatment the actions to apply on the packets (should include outport) |
| * @param meta optional metadata passed into the creation of the next objective |
| * @return int if found or created, -1 if there are errors during the |
| * creation of the next objective. |
| */ |
| public int getPortNextObjectiveId(PortNumber portNum, TrafficTreatment treatment, |
| TrafficSelector meta) { |
| Integer nextId = portNextObjStore |
| .get(new PortNextObjectiveStoreKey(deviceId, portNum, treatment)); |
| if (nextId == null) { |
| log.trace("getPortNextObjectiveId in device{}: Next objective id " |
| + "not found for {} and {} creating", deviceId, portNum); |
| createGroupFromPort(portNum, treatment, meta); |
| nextId = portNextObjStore.get( |
| new PortNextObjectiveStoreKey(deviceId, portNum, treatment)); |
| if (nextId == null) { |
| log.warn("getPortNextObjectiveId: unable to create next obj" |
| + "for dev:{} port:{}", deviceId, portNum); |
| return -1; |
| } |
| } |
| return nextId; |
| } |
| |
| /** |
| * Returns the next objective ID of type broadcast associated with the VLAN |
| * cross-connection. |
| * |
| * @param vlanId VLAN ID for the cross-connection |
| * @return int if found or created, -1 if there are errors during the |
| * creation of the next objective |
| */ |
| public int getXConnectNextObjectiveId(VlanId vlanId) { |
| Integer nextId = xConnectNextObjStore |
| .get(new XConnectNextObjectiveStoreKey(deviceId, vlanId)); |
| if (nextId == null) { |
| log.trace("getXConnectNextObjectiveId: Next objective id " |
| + "not found for device {} and vlan {}. Creating", deviceId, vlanId); |
| createGroupsForXConnect(deviceId); |
| nextId = xConnectNextObjStore.get( |
| new XConnectNextObjectiveStoreKey(deviceId, vlanId)); |
| if (nextId == null) { |
| log.warn("getXConnectNextObjectiveId: Next objective id " |
| + "not found for device {} and vlan {}.", deviceId, vlanId); |
| return -1; |
| } |
| } |
| return nextId; |
| } |
| |
| /** |
| * Checks if the next objective ID (group) for the neighbor set exists or not. |
| * |
| * @param ns neighbor set to check |
| * @return true if it exists, false otherwise |
| */ |
| public boolean hasNextObjectiveId(NeighborSet ns) { |
| Integer nextId = nsNextObjStore. |
| get(new NeighborSetNextObjectiveStoreKey(deviceId, ns)); |
| if (nextId == null) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Empty implementation |
| protected void newNeighbor(Link newLink) { |
| } |
| |
| // Empty implementation |
| protected void newPortToExistingNeighbor(Link newLink) { |
| } |
| |
| // Empty implementation |
| protected Set<NeighborSet> |
| computeImpactedNeighborsetForPortEvent(DeviceId impactedNeighbor, |
| Set<DeviceId> updatedNeighbors) { |
| return null; |
| } |
| |
| private void populateNeighborMaps() { |
| Set<Link> outgoingLinks = linkService.getDeviceEgressLinks(deviceId); |
| for (Link link : outgoingLinks) { |
| if (link.type() != Link.Type.DIRECT) { |
| continue; |
| } |
| addNeighborAtPort(link.dst().deviceId(), link.src().port()); |
| } |
| } |
| |
| protected void addNeighborAtPort(DeviceId neighborId, |
| PortNumber portToNeighbor) { |
| // Update DeviceToPort database |
| log.debug("Device {} addNeighborAtPort: neighbor {} at port {}", |
| deviceId, neighborId, portToNeighbor); |
| Set<PortNumber> ports = Collections |
| .newSetFromMap(new ConcurrentHashMap<PortNumber, Boolean>()); |
| ports.add(portToNeighbor); |
| Set<PortNumber> portnums = devicePortMap.putIfAbsent(neighborId, ports); |
| if (portnums != null) { |
| portnums.add(portToNeighbor); |
| } |
| |
| // Update portToDevice database |
| DeviceId prev = portDeviceMap.putIfAbsent(portToNeighbor, neighborId); |
| if (prev != null) { |
| log.warn("Device: {} port: {} has neighbor: {}. NOT updating " |
| + "to neighbor: {}", deviceId, portToNeighbor, prev, neighborId); |
| } |
| } |
| |
| protected Set<Set<DeviceId>> getPowerSetOfNeighbors(Set<DeviceId> neighbors) { |
| List<DeviceId> list = new ArrayList<>(neighbors); |
| Set<Set<DeviceId>> sets = new HashSet<>(); |
| // get the number of elements in the neighbors |
| int elements = list.size(); |
| // the number of members of a power set is 2^n |
| // including the empty set |
| int powerElements = (1 << elements); |
| |
| // run a binary counter for the number of power elements |
| // NOTE: Exclude empty set |
| for (long i = 1; i < powerElements; i++) { |
| Set<DeviceId> neighborSubSet = new HashSet<>(); |
| for (int j = 0; j < elements; j++) { |
| if ((i >> j) % 2 == 1) { |
| neighborSubSet.add(list.get(j)); |
| } |
| } |
| sets.add(neighborSubSet); |
| } |
| return sets; |
| } |
| |
| private boolean isSegmentIdSameAsNodeSegmentId(DeviceId deviceId, int sId) { |
| int segmentId; |
| try { |
| segmentId = deviceConfig.getSegmentId(deviceId); |
| } catch (DeviceConfigNotFoundException e) { |
| log.warn(e.getMessage() + " Aborting isSegmentIdSameAsNodeSegmentId."); |
| return false; |
| } |
| |
| return segmentId == sId; |
| } |
| |
| protected List<Integer> getSegmentIdsTobePairedWithNeighborSet(Set<DeviceId> neighbors) { |
| |
| List<Integer> nsSegmentIds = new ArrayList<>(); |
| |
| // Always pair up with no edge label |
| // If (neighbors.size() == 1) { |
| nsSegmentIds.add(-1); |
| // } |
| |
| // Filter out SegmentIds matching with the |
| // nodes in the combo |
| for (Integer sId : allSegmentIds) { |
| if (sId.equals(nodeSegmentId)) { |
| continue; |
| } |
| boolean filterOut = false; |
| // Check if the edge label being set is of |
| // any node in the Neighbor set |
| for (DeviceId deviceId : neighbors) { |
| if (isSegmentIdSameAsNodeSegmentId(deviceId, sId)) { |
| filterOut = true; |
| break; |
| } |
| } |
| if (!filterOut) { |
| nsSegmentIds.add(sId); |
| } |
| } |
| return nsSegmentIds; |
| } |
| |
| /** |
| * Creates Groups from a set of NeighborSet given. |
| * |
| * @param nsSet a set of NeighborSet |
| * @param meta metadata passed into the creation of a Next Objective |
| */ |
| public void createGroupsFromNeighborsets(Set<NeighborSet> nsSet, |
| TrafficSelector meta) { |
| for (NeighborSet ns : nsSet) { |
| int nextId = flowObjectiveService.allocateNextId(); |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder().withId(nextId) |
| .withType(NextObjective.Type.HASHED).fromApp(appId); |
| for (DeviceId neighborId : ns.getDeviceIds()) { |
| if (devicePortMap.get(neighborId) == null) { |
| log.warn("Neighbor {} is not in the port map yet for dev:{}", |
| neighborId, deviceId); |
| return; |
| } else if (devicePortMap.get(neighborId).size() == 0) { |
| log.warn("There are no ports for " |
| + "the Device {} in the port map yet", neighborId); |
| return; |
| } |
| |
| MacAddress neighborMac; |
| try { |
| neighborMac = deviceConfig.getDeviceMac(neighborId); |
| } catch (DeviceConfigNotFoundException e) { |
| log.warn(e.getMessage() + " Aborting createGroupsFromNeighborsets."); |
| return; |
| } |
| |
| for (PortNumber sp : devicePortMap.get(neighborId)) { |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment |
| .builder(); |
| tBuilder.setEthDst(neighborMac) |
| .setEthSrc(nodeMacAddr); |
| if (ns.getEdgeLabel() != NeighborSet.NO_EDGE_LABEL) { |
| tBuilder.pushMpls() |
| .copyTtlOut() |
| .setMpls(MplsLabel.mplsLabel(ns.getEdgeLabel())); |
| } |
| tBuilder.setOutput(sp); |
| nextObjBuilder.addTreatment(tBuilder.build()); |
| } |
| } |
| if (meta != null) { |
| nextObjBuilder.withMeta(meta); |
| } |
| NextObjective nextObj = nextObjBuilder. |
| add(new SRNextObjectiveContext(deviceId)); |
| log.info("**createGroupsFromNeighborsets: Submited " |
| + "next objective {} in device {}", |
| nextId, deviceId); |
| flowObjectiveService.next(deviceId, nextObj); |
| nsNextObjStore.put(new NeighborSetNextObjectiveStoreKey(deviceId, ns), |
| nextId); |
| } |
| } |
| |
| /** |
| * Creates broadcast groups for all ports in the same configured subnet. |
| */ |
| public void createGroupsFromSubnetConfig() { |
| Map<Ip4Prefix, List<PortNumber>> subnetPortMap; |
| try { |
| subnetPortMap = this.deviceConfig.getSubnetPortsMap(this.deviceId); |
| } catch (DeviceConfigNotFoundException e) { |
| log.warn(e.getMessage() |
| + " Not creating broadcast groups for device: " + deviceId); |
| return; |
| } |
| // Construct a broadcast group for each subnet |
| subnetPortMap.forEach((subnet, ports) -> { |
| SubnetNextObjectiveStoreKey key = |
| new SubnetNextObjectiveStoreKey(deviceId, subnet); |
| |
| if (subnetNextObjStore.containsKey(key)) { |
| log.debug("Broadcast group for device {} and subnet {} exists", |
| deviceId, subnet); |
| return; |
| } |
| |
| VlanId assignedVlanId = |
| srManager.getSubnetAssignedVlanId(this.deviceId, subnet); |
| TrafficSelector metadata = |
| DefaultTrafficSelector.builder().matchVlanId(assignedVlanId).build(); |
| |
| int nextId = flowObjectiveService.allocateNextId(); |
| |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder().withId(nextId) |
| .withType(NextObjective.Type.BROADCAST).fromApp(appId) |
| .withMeta(metadata); |
| |
| ports.forEach(port -> { |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| tBuilder.popVlan(); |
| tBuilder.setOutput(port); |
| nextObjBuilder.addTreatment(tBuilder.build()); |
| }); |
| |
| NextObjective nextObj = nextObjBuilder.add(); |
| flowObjectiveService.next(deviceId, nextObj); |
| log.debug("createGroupFromSubnetConfig: Submited " |
| + "next objective {} in device {}", |
| nextId, deviceId); |
| |
| subnetNextObjStore.put(key, nextId); |
| }); |
| } |
| |
| /** |
| * Creates broadcast groups for VLAN cross-connect ports. |
| * |
| * @param deviceId the DPID of the switch |
| */ |
| public void createGroupsForXConnect(DeviceId deviceId) { |
| Map<VlanId, List<ConnectPoint>> xConnectsForDevice = deviceConfig.getXConnects(); |
| |
| xConnectsForDevice.forEach((vlanId, connectPoints) -> { |
| // Only proceed the xConnect for given device |
| for (ConnectPoint connectPoint : connectPoints) { |
| if (!connectPoint.deviceId().equals(deviceId)) { |
| return; |
| } |
| } |
| |
| // Check if the next obj is already in the store |
| XConnectNextObjectiveStoreKey key = |
| new XConnectNextObjectiveStoreKey(deviceId, vlanId); |
| if (xConnectNextObjStore.containsKey(key)) { |
| log.debug("Cross-connect Broadcast group for device {} and vlanId {} exists", |
| deviceId, vlanId); |
| return; |
| } |
| |
| TrafficSelector metadata = |
| DefaultTrafficSelector.builder().matchVlanId(vlanId).build(); |
| int nextId = flowObjectiveService.allocateNextId(); |
| |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder().withId(nextId) |
| .withType(NextObjective.Type.BROADCAST).fromApp(appId) |
| .withMeta(metadata); |
| |
| connectPoints.forEach(connectPoint -> { |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| tBuilder.setOutput(connectPoint.port()); |
| nextObjBuilder.addTreatment(tBuilder.build()); |
| }); |
| |
| NextObjective nextObj = nextObjBuilder.add(); |
| flowObjectiveService.next(deviceId, nextObj); |
| log.debug("createGroupsForXConnect: Submited next objective {} in device {}", |
| nextId, deviceId); |
| xConnectNextObjStore.put(key, nextId); |
| }); |
| } |
| |
| |
| /** |
| * Create simple next objective for a single port. The treatments can include |
| * all outgoing actions that need to happen on the packet. |
| * |
| * @param portNum the outgoing port on the device |
| * @param treatment the actions to apply on the packets (should include outport) |
| * @param meta optional data to pass to the driver |
| */ |
| public void createGroupFromPort(PortNumber portNum, TrafficTreatment treatment, |
| TrafficSelector meta) { |
| int nextId = flowObjectiveService.allocateNextId(); |
| PortNextObjectiveStoreKey key = new PortNextObjectiveStoreKey( |
| deviceId, portNum, treatment); |
| |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder().withId(nextId) |
| .withType(NextObjective.Type.SIMPLE) |
| .addTreatment(treatment) |
| .fromApp(appId) |
| .withMeta(meta); |
| |
| NextObjective nextObj = nextObjBuilder.add(); |
| flowObjectiveService.next(deviceId, nextObj); |
| log.debug("createGroupFromPort: Submited next objective {} in device {} " |
| + "for port {}", nextId, deviceId, portNum); |
| |
| portNextObjStore.put(key, nextId); |
| } |
| |
| /** |
| * Removes groups for the next objective ID given. |
| * |
| * @param objectiveId next objective ID to remove |
| * @return true if succeeds, false otherwise |
| */ |
| public boolean removeGroup(int objectiveId) { |
| |
| if (nsNextObjStore.containsValue(objectiveId)) { |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder().withId(objectiveId) |
| .withType(NextObjective.Type.HASHED).fromApp(appId); |
| NextObjective nextObjective = nextObjBuilder. |
| remove(new SRNextObjectiveContext(deviceId)); |
| log.info("**removeGroup: Submited " |
| + "next objective {} in device {}", |
| objectiveId, deviceId); |
| flowObjectiveService.next(deviceId, nextObjective); |
| |
| for (Map.Entry<NeighborSetNextObjectiveStoreKey, Integer> entry: nsNextObjStore.entrySet()) { |
| if (entry.getValue().equals(objectiveId)) { |
| nsNextObjStore.remove(entry.getKey()); |
| break; |
| } |
| } |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Removes all groups from all next objective stores. |
| */ |
| public void removeAllGroups() { |
| for (Map.Entry<NeighborSetNextObjectiveStoreKey, Integer> entry: |
| nsNextObjStore.entrySet()) { |
| removeGroup(entry.getValue()); |
| } |
| for (Map.Entry<PortNextObjectiveStoreKey, Integer> entry: |
| portNextObjStore.entrySet()) { |
| removeGroup(entry.getValue()); |
| } |
| for (Map.Entry<SubnetNextObjectiveStoreKey, Integer> entry: |
| subnetNextObjStore.entrySet()) { |
| removeGroup(entry.getValue()); |
| } |
| // should probably clean local stores port-neighbor |
| } |
| |
| protected static class SRNextObjectiveContext implements ObjectiveContext { |
| final DeviceId deviceId; |
| |
| SRNextObjectiveContext(DeviceId deviceId) { |
| this.deviceId = deviceId; |
| } |
| @Override |
| public void onSuccess(Objective objective) { |
| log.info("Next objective {} operation successful in device {}", |
| objective.id(), deviceId); |
| } |
| |
| @Override |
| public void onError(Objective objective, ObjectiveError error) { |
| log.warn("Next objective {} operation failed with error: {} in device {}", |
| objective.id(), error, deviceId); |
| } |
| } |
| } |