[ONOS-4164] PCE Store
Change-Id: I2caa918fae0bf635f98976b11ee8a717aba42aac
diff --git a/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java b/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java
new file mode 100644
index 0000000..8276f3d
--- /dev/null
+++ b/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java
@@ -0,0 +1,278 @@
+/*
+ * 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.pce.pcestore;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+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.LabelResourceId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.pce.pceservice.TunnelConsumerId;
+import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
+import org.onosproject.pce.pcestore.api.PceStore;
+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 DistributedPceStore implements PceStore {
+
+ private static final String DEVICE_ID_NULL = "Device ID cannot be null";
+ private static final String LINK_NULL = "LINK cannot be null";
+ private static final String TUNNEL_ID_NULL = "Tunnel ID cannot be null";
+ private static final String LABEL_RESOURCE_ID_NULL = "Label Resource ID cannot be null";
+ private static final String PCECC_TUNNEL_INFO_NULL = "PCECC Tunnel Info cannot be null";
+ private static final String LSP_LOCAL_LABEL_INFO_NULL = "LSP Local Label info cannot be null";
+ private static final String TUNNEL_CONSUMER_ID_NULL = "Tunnel consumer 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 with device local info with tunnel consumer id
+ private ConsistentMap<TunnelId, PceccTunnelInfo> tunnelInfoMap;
+
+ @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,
+ LabelResourceId.class)
+ .build()))
+ .build();
+
+ tunnelInfoMap = storageService.<TunnelId, PceccTunnelInfo>consistentMapBuilder()
+ .withName("onos-pce-tunnelinfomap")
+ .withSerializer(Serializer.using(
+ new KryoNamespace.Builder()
+ .register(KryoNamespaces.API)
+ .register(TunnelId.class,
+ PceccTunnelInfo.class,
+ DefaultLspLocalLabelInfo.class,
+ TunnelConsumerId.class,
+ LabelResourceId.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 tunnelInfoMap.containsKey(tunnelId);
+ }
+
+ @Override
+ public int getGlobalNodeLabelCount() {
+ return globalNodeLabelMap.size();
+ }
+
+ @Override
+ public int getAdjLabelCount() {
+ return adjLabelMap.size();
+ }
+
+ @Override
+ public int getTunnelInfoCount() {
+ return tunnelInfoMap.size();
+ }
+
+ @Override
+ public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() {
+ return globalNodeLabelMap.entrySet().stream()
+ .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue().value()));
+ }
+
+ @Override
+ public Map<Link, LabelResourceId> getAdjLabels() {
+ return adjLabelMap.entrySet().stream()
+ .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue().value()));
+ }
+
+ @Override
+ public Map<TunnelId, PceccTunnelInfo> getTunnelInfos() {
+ return tunnelInfoMap.entrySet().stream()
+ .collect(Collectors.toMap(Map.Entry::getKey, e -> (PceccTunnelInfo) e.getValue().value()));
+ }
+
+ @Override
+ public LabelResourceId getGlobalNodeLabel(DeviceId id) {
+ checkNotNull(id, DEVICE_ID_NULL);
+ return globalNodeLabelMap.get(id).value();
+ }
+
+ @Override
+ public LabelResourceId getAdjLabel(Link link) {
+ checkNotNull(link, LINK_NULL);
+ return adjLabelMap.get(link).value();
+ }
+
+ @Override
+ public PceccTunnelInfo getTunnelInfo(TunnelId tunnelId) {
+ checkNotNull(tunnelId, TUNNEL_ID_NULL);
+ return tunnelInfoMap.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, PceccTunnelInfo pceccTunnelInfo) {
+ checkNotNull(tunnelId, TUNNEL_ID_NULL);
+ checkNotNull(pceccTunnelInfo, PCECC_TUNNEL_INFO_NULL);
+
+ tunnelInfoMap.put(tunnelId, pceccTunnelInfo);
+ }
+
+ @Override
+ public boolean updateTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) {
+ checkNotNull(tunnelId, TUNNEL_ID_NULL);
+ checkNotNull(lspLocalLabelInfoList, LSP_LOCAL_LABEL_INFO_NULL);
+
+ if (!tunnelInfoMap.containsKey((tunnelId))) {
+ log.debug("Tunnel info does not exist whose tunnel id is {}.", tunnelId.toString());
+ return false;
+ }
+
+ PceccTunnelInfo tunnelInfo = tunnelInfoMap.get(tunnelId).value();
+ tunnelInfo.lspLocalLabelInfoList(lspLocalLabelInfoList);
+ tunnelInfoMap.put(tunnelId, tunnelInfo);
+
+ return true;
+ }
+
+ @Override
+ public boolean updateTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId) {
+ checkNotNull(tunnelId, TUNNEL_ID_NULL);
+ checkNotNull(tunnelConsumerId, TUNNEL_CONSUMER_ID_NULL);
+
+ if (!tunnelInfoMap.containsKey((tunnelId))) {
+ log.debug("Tunnel info does not exist whose tunnel id is {}.", tunnelId.toString());
+ return false;
+ }
+
+ PceccTunnelInfo tunnelInfo = tunnelInfoMap.get(tunnelId).value();
+ tunnelInfo.tunnelConsumerId(tunnelConsumerId);
+ tunnelInfoMap.put(tunnelId, tunnelInfo);
+
+ return true;
+ }
+
+ @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 (tunnelInfoMap.remove(tunnelId) == null) {
+ log.error("Tunnel info deletion for tunnel id {} has failed.", tunnelId.toString());
+ return false;
+ }
+ return true;
+ }
+}