| /* |
| * Copyright 2016-present 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.pcelabelstore; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.incubator.net.tunnel.TunnelId; |
| import org.onosproject.incubator.net.resource.label.LabelResource; |
| import org.onosproject.incubator.net.resource.label.LabelResourceId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Link; |
| import org.onosproject.pcelabelstore.api.LspLocalLabelInfo; |
| import org.onosproject.pcelabelstore.api.PceLabelStore; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Manages the pool of available labels to devices, links and tunnels. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class DistributedPceLabelStore implements PceLabelStore { |
| |
| private static final String DEVICE_ID_NULL = "Device ID cannot be null"; |
| private static final String LABEL_RESOURCE_ID_NULL = "Label Resource Id cannot be null"; |
| private static final String LINK_NULL = "LINK cannot be null"; |
| private static final String PCECC_TUNNEL_INFO_NULL = "PCECC Tunnel Info cannot be null"; |
| private static final String TUNNEL_ID_NULL = "Tunnel Id cannot be null"; |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| // Mapping device with global node label |
| private ConsistentMap<DeviceId, LabelResourceId> globalNodeLabelMap; |
| |
| // Mapping link with adjacency label |
| private ConsistentMap<Link, LabelResourceId> adjLabelMap; |
| |
| // Mapping tunnel id with local labels. |
| private ConsistentMap<TunnelId, List<LspLocalLabelInfo>> tunnelLabelInfoMap; |
| |
| // Locally maintain LSRID to device id mapping for better performance. |
| private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>(); |
| |
| // List of PCC LSR ids whose BGP device information was not available to perform |
| // label db sync. |
| private HashSet<DeviceId> pendinglabelDbSyncPccMap = new HashSet<>(); |
| |
| @Activate |
| protected void activate() { |
| globalNodeLabelMap = storageService.<DeviceId, LabelResourceId>consistentMapBuilder() |
| .withName("onos-pce-globalnodelabelmap") |
| .withSerializer(Serializer.using( |
| new KryoNamespace.Builder() |
| .register(KryoNamespaces.API) |
| .register(LabelResourceId.class) |
| .build())) |
| .build(); |
| |
| adjLabelMap = storageService.<Link, LabelResourceId>consistentMapBuilder() |
| .withName("onos-pce-adjlabelmap") |
| .withSerializer(Serializer.using( |
| new KryoNamespace.Builder() |
| .register(KryoNamespaces.API) |
| .register(Link.class, |
| LabelResource.class, |
| LabelResourceId.class) |
| .build())) |
| .build(); |
| |
| tunnelLabelInfoMap = storageService.<TunnelId, List<LspLocalLabelInfo>>consistentMapBuilder() |
| .withName("onos-pce-tunnellabelinfomap") |
| .withSerializer(Serializer.using( |
| new KryoNamespace.Builder() |
| .register(KryoNamespaces.API) |
| .register(TunnelId.class, |
| DefaultLspLocalLabelInfo.class, |
| LabelResourceId.class, |
| DeviceId.class) |
| .build())) |
| .build(); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public boolean existsGlobalNodeLabel(DeviceId id) { |
| checkNotNull(id, DEVICE_ID_NULL); |
| return globalNodeLabelMap.containsKey(id); |
| } |
| |
| @Override |
| public boolean existsAdjLabel(Link link) { |
| checkNotNull(link, LINK_NULL); |
| return adjLabelMap.containsKey(link); |
| } |
| |
| @Override |
| public boolean existsTunnelInfo(TunnelId tunnelId) { |
| checkNotNull(tunnelId, TUNNEL_ID_NULL); |
| return tunnelLabelInfoMap.containsKey(tunnelId); |
| } |
| |
| @Override |
| public int getGlobalNodeLabelCount() { |
| return globalNodeLabelMap.size(); |
| } |
| |
| @Override |
| public int getAdjLabelCount() { |
| return adjLabelMap.size(); |
| } |
| |
| @Override |
| public int getTunnelInfoCount() { |
| return tunnelLabelInfoMap.size(); |
| } |
| |
| @Override |
| public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() { |
| return globalNodeLabelMap.entrySet().stream() |
| .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value())); |
| } |
| |
| @Override |
| public Map<Link, LabelResourceId> getAdjLabels() { |
| return adjLabelMap.entrySet().stream() |
| .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value())); |
| } |
| |
| @Override |
| public Map<TunnelId, List<LspLocalLabelInfo>> getTunnelInfos() { |
| return tunnelLabelInfoMap.entrySet().stream() |
| .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value())); |
| } |
| |
| @Override |
| public LabelResourceId getGlobalNodeLabel(DeviceId id) { |
| checkNotNull(id, DEVICE_ID_NULL); |
| return globalNodeLabelMap.get(id) == null ? null : globalNodeLabelMap.get(id).value(); |
| } |
| |
| @Override |
| public LabelResourceId getAdjLabel(Link link) { |
| checkNotNull(link, LINK_NULL); |
| return adjLabelMap.get(link) == null ? null : adjLabelMap.get(link).value(); |
| } |
| |
| @Override |
| public List<LspLocalLabelInfo> getTunnelInfo(TunnelId tunnelId) { |
| checkNotNull(tunnelId, TUNNEL_ID_NULL); |
| return tunnelLabelInfoMap.get(tunnelId) == null ? null : tunnelLabelInfoMap.get(tunnelId).value(); |
| } |
| |
| @Override |
| public void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId) { |
| checkNotNull(deviceId, DEVICE_ID_NULL); |
| checkNotNull(labelId, LABEL_RESOURCE_ID_NULL); |
| |
| globalNodeLabelMap.put(deviceId, labelId); |
| } |
| |
| @Override |
| public void addAdjLabel(Link link, LabelResourceId labelId) { |
| checkNotNull(link, LINK_NULL); |
| checkNotNull(labelId, LABEL_RESOURCE_ID_NULL); |
| |
| adjLabelMap.put(link, labelId); |
| } |
| |
| @Override |
| public void addTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) { |
| checkNotNull(tunnelId, TUNNEL_ID_NULL); |
| checkNotNull(lspLocalLabelInfoList, PCECC_TUNNEL_INFO_NULL); |
| |
| tunnelLabelInfoMap.put(tunnelId, lspLocalLabelInfoList); |
| } |
| |
| @Override |
| public boolean removeGlobalNodeLabel(DeviceId id) { |
| checkNotNull(id, DEVICE_ID_NULL); |
| |
| if (globalNodeLabelMap.remove(id) == null) { |
| log.error("SR-TE node label deletion for device {} has failed.", id.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean removeAdjLabel(Link link) { |
| checkNotNull(link, LINK_NULL); |
| |
| if (adjLabelMap.remove(link) == null) { |
| log.error("Adjacency label deletion for link {} hash failed.", link.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean removeTunnelInfo(TunnelId tunnelId) { |
| checkNotNull(tunnelId, TUNNEL_ID_NULL); |
| |
| if (tunnelLabelInfoMap.remove(tunnelId) == null) { |
| log.error("Tunnel info deletion for tunnel id {} has failed.", tunnelId.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean addLsrIdDevice(String lsrId, DeviceId deviceId) { |
| checkNotNull(lsrId); |
| checkNotNull(deviceId); |
| |
| lsrIdDeviceIdMap.put(lsrId, deviceId); |
| return true; |
| } |
| |
| @Override |
| public boolean removeLsrIdDevice(String lsrId) { |
| checkNotNull(lsrId); |
| |
| lsrIdDeviceIdMap.remove(lsrId); |
| return true; |
| } |
| |
| @Override |
| public DeviceId getLsrIdDevice(String lsrId) { |
| checkNotNull(lsrId); |
| |
| return lsrIdDeviceIdMap.get(lsrId); |
| |
| } |
| |
| @Override |
| public boolean addPccLsr(DeviceId lsrId) { |
| checkNotNull(lsrId); |
| pendinglabelDbSyncPccMap.add(lsrId); |
| return true; |
| } |
| |
| @Override |
| public boolean removePccLsr(DeviceId lsrId) { |
| checkNotNull(lsrId); |
| pendinglabelDbSyncPccMap.remove(lsrId); |
| return true; |
| } |
| |
| @Override |
| public boolean hasPccLsr(DeviceId lsrId) { |
| checkNotNull(lsrId); |
| return pendinglabelDbSyncPccMap.contains(lsrId); |
| |
| } |
| } |