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Diffstat (limited to 'framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultTransitGroupHandler.java')
-rw-r--r-- | framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultTransitGroupHandler.java | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultTransitGroupHandler.java b/framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultTransitGroupHandler.java deleted file mode 100644 index 7a43e73d..00000000 --- a/framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultTransitGroupHandler.java +++ /dev/null @@ -1,200 +0,0 @@ -/* - * 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 java.util.HashSet; -import java.util.Set; - -import org.onosproject.core.ApplicationId; -import org.onosproject.net.DeviceId; -import org.onosproject.net.Link; -import org.onosproject.net.flowobjective.FlowObjectiveService; -import org.onosproject.net.link.LinkService; -import org.onosproject.segmentrouting.config.DeviceConfigNotFoundException; -import org.onosproject.segmentrouting.config.DeviceProperties; -import org.onosproject.store.service.EventuallyConsistentMap; - -/** - * Default ECMP group handler creation module for a transit device. - * This component creates a set of ECMP groups for every neighbor - * that this device is connected to. - * For example, consider a network of 4 devices: D0 (Segment ID: 100), - * D1 (Segment ID: 101), D2 (Segment ID: 102) and D3 (Segment ID: 103), - * where D0 and D3 are edge devices and D1 and D2 are transit devices. - * Assume transit device D1 is connected to 2 neighbors (D0 and D3 ). - * The following groups will be created in D1: - * 1) all ports to D0 + with no label push, - * 2) all ports to D3 + with no label push, - */ -public class DefaultTransitGroupHandler extends DefaultGroupHandler { - - protected DefaultTransitGroupHandler(DeviceId deviceId, - ApplicationId appId, - DeviceProperties config, - LinkService linkService, - FlowObjectiveService flowObjService, - EventuallyConsistentMap< - NeighborSetNextObjectiveStoreKey, - Integer> nsNextObjStore, - EventuallyConsistentMap<SubnetNextObjectiveStoreKey, - Integer> subnetNextObjStore, - EventuallyConsistentMap<PortNextObjectiveStoreKey, - Integer> portNextObjStore) { - super(deviceId, appId, config, linkService, flowObjService, - nsNextObjStore, subnetNextObjStore, portNextObjStore); - } - - @Override - public void createGroups() { - Set<DeviceId> neighbors = devicePortMap.keySet(); - if (neighbors == null || neighbors.isEmpty()) { - return; - } - - // Create all possible Neighbor sets from this router - // NOTE: Avoid any pairings of edge routers only - Set<Set<DeviceId>> sets = getPowerSetOfNeighbors(neighbors); - sets = filterEdgeRouterOnlyPairings(sets); - log.debug("createGroupsAtTransitRouter: The size of neighbor powerset " - + "for sw {} is {}", deviceId, sets.size()); - Set<NeighborSet> nsSet = new HashSet<>(); - for (Set<DeviceId> combo : sets) { - if (combo.isEmpty()) { - continue; - } - NeighborSet ns = new NeighborSet(combo); - log.debug("createGroupsAtTransitRouter: sw {} combo {} ns {}", - deviceId, combo, ns); - nsSet.add(ns); - } - log.debug("createGroupsAtTransitRouter: The neighborset with label " - + "for sw {} is {}", deviceId, nsSet); - - //createGroupsFromNeighborsets(nsSet); - } - - @Override - protected void newNeighbor(Link newNeighborLink) { - log.debug("New Neighbor: Updating groups for " - + "transit device {}", deviceId); - // Recompute neighbor power set - addNeighborAtPort(newNeighborLink.dst().deviceId(), - newNeighborLink.src().port()); - // Compute new neighbor sets due to the addition of new neighbor - Set<NeighborSet> nsSet = computeImpactedNeighborsetForPortEvent( - newNeighborLink.dst().deviceId(), - devicePortMap.keySet()); - //createGroupsFromNeighborsets(nsSet); - } - - @Override - protected void newPortToExistingNeighbor(Link newNeighborLink) { - /*log.debug("New port to existing neighbor: Updating " - + "groups for transit device {}", deviceId); - addNeighborAtPort(newNeighborLink.dst().deviceId(), - newNeighborLink.src().port()); - Set<NeighborSet> nsSet = computeImpactedNeighborsetForPortEvent( - newNeighborLink.dst().deviceId(), - devicePortMap.keySet()); - for (NeighborSet ns : nsSet) { - // Create the new bucket to be updated - TrafficTreatment.Builder tBuilder = - DefaultTrafficTreatment.builder(); - tBuilder.setOutput(newNeighborLink.src().port()) - .setEthDst(deviceConfig.getDeviceMac( - newNeighborLink.dst().deviceId())) - .setEthSrc(nodeMacAddr); - if (ns.getEdgeLabel() != NeighborSet.NO_EDGE_LABEL) { - tBuilder.pushMpls() - .setMpls(MplsLabel. - mplsLabel(ns.getEdgeLabel())); - } - - - Integer nextId = deviceNextObjectiveIds.get(ns); - if (nextId != null) { - NextObjective.Builder nextObjBuilder = DefaultNextObjective - .builder().withId(nextId) - .withType(NextObjective.Type.HASHED).fromApp(appId); - - nextObjBuilder.addTreatment(tBuilder.build()); - - NextObjective nextObjective = nextObjBuilder.add(); - flowObjectiveService.next(deviceId, nextObjective); - } - }*/ - } - - @Override - protected Set<NeighborSet> computeImpactedNeighborsetForPortEvent( - DeviceId impactedNeighbor, - Set<DeviceId> updatedNeighbors) { - Set<Set<DeviceId>> powerSet = getPowerSetOfNeighbors(updatedNeighbors); - - Set<DeviceId> tmp = new HashSet<>(); - tmp.addAll(updatedNeighbors); - tmp.remove(impactedNeighbor); - Set<Set<DeviceId>> tmpPowerSet = getPowerSetOfNeighbors(tmp); - - // Compute the impacted neighbor sets - powerSet.removeAll(tmpPowerSet); - - powerSet = filterEdgeRouterOnlyPairings(powerSet); - Set<NeighborSet> nsSet = new HashSet<>(); - for (Set<DeviceId> combo : powerSet) { - if (combo.isEmpty()) { - continue; - } - NeighborSet ns = new NeighborSet(combo); - log.debug("createGroupsAtTransitRouter: sw {} combo {} ns {}", - deviceId, combo, ns); - nsSet.add(ns); - } - log.debug("computeImpactedNeighborsetForPortEvent: The neighborset with label " - + "for sw {} is {}", deviceId, nsSet); - - return nsSet; - } - - private Set<Set<DeviceId>> filterEdgeRouterOnlyPairings(Set<Set<DeviceId>> sets) { - Set<Set<DeviceId>> fiteredSets = new HashSet<>(); - for (Set<DeviceId> deviceSubSet : sets) { - if (deviceSubSet.size() > 1) { - boolean avoidEdgeRouterPairing = true; - for (DeviceId device : deviceSubSet) { - boolean isEdge; - try { - isEdge = deviceConfig.isEdgeDevice(device); - } catch (DeviceConfigNotFoundException e) { - log.warn(e.getMessage() + " Skipping filterEdgeRouterOnlyPairings on this device."); - continue; - } - - if (!isEdge) { - avoidEdgeRouterPairing = false; - break; - } - } - if (!avoidEdgeRouterPairing) { - fiteredSets.add(deviceSubSet); - } - } else { - fiteredSets.add(deviceSubSet); - } - } - return fiteredSets; - } -} |