pcep/topology/topology-stats/src/main/java/org/opendaylight/bgpcep/pcep/topology/stats/rpc/TopologyStatsRpcServiceImpl.java

   1 /*
   2  * Copyright (c) 2019 Lumina Networks, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.bgpcep.pcep.topology.stats.rpc;
   9
  10 import com.google.common.util.concurrent.Futures;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.util.Collection;
  13 import java.util.List;
  14 import java.util.concurrent.ConcurrentHashMap;
  15 import java.util.concurrent.ConcurrentMap;
  16 import java.util.stream.Collectors;
  17 import org.opendaylight.bgpcep.programming.spi.SuccessfulRpcResult;
  18 import org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
  19 import org.opendaylight.mdsal.binding.api.DataBroker;
  20 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  21 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  23 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.PcepEntityIdRpcAugBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.PcepEntityIdStatsAug;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulCapabilitiesRpcAugBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulCapabilitiesStatsAug;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulMessagesRpcAugBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulMessagesStatsAug;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.LocalPref;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.LocalPrefBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.Messages;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.MessagesBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.PeerCapabilities;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.PeerCapabilitiesBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.grouping.PcepSessionState;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.grouping.PcepSessionStateBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsInput;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsOutput;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsOutputBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.PcepTopologyStatsRpcService;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.stats.rev181109.PcepTopologyNodeStatsAug;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  50 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  51 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  52 import org.opendaylight.yangtools.yang.binding.util.BindingMap;
  53 import org.opendaylight.yangtools.yang.common.RpcResult;
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 public final class TopologyStatsRpcServiceImpl
  58         implements PcepTopologyStatsRpcService, ClusteredDataTreeChangeListener<PcepSessionState>, AutoCloseable {
  59     private static final Logger LOG = LoggerFactory.getLogger(TopologyStatsRpcServiceImpl.class);
  60
  61     private final ConcurrentMap<InstanceIdentifier<PcepSessionState>, PcepSessionState> sessionStateMap =
  62             new ConcurrentHashMap<>();
  63     private ListenerRegistration<TopologyStatsRpcServiceImpl> listenerRegistration;
  64
  65     public TopologyStatsRpcServiceImpl(final DataBroker dataBroker) {
  66         LOG.info("Initializing PCEP Topology Stats RPC service.");
  67         listenerRegistration = dataBroker.registerDataTreeChangeListener(
  68             DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
  69                 InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class).child(Node.class)
  70                     .augmentation(PcepTopologyNodeStatsAug.class).child(PcepSessionState.class).build()),
  71             this);
  72     }
  73
  74     @Override
  75     public void onDataTreeChanged(final Collection<DataTreeModification<PcepSessionState>> changes) {
  76         changes.forEach(change -> {
  77             final InstanceIdentifier<PcepSessionState> iid = change.getRootPath().getRootIdentifier();
  78             final DataObjectModification<PcepSessionState> mod = change.getRootNode();
  79             switch (mod.getModificationType()) {
  80                 case SUBTREE_MODIFIED:
  81                 case WRITE:
  82                     sessionStateMap.put(iid, mod.getDataAfter());
  83                     break;
  84                 case DELETE:
  85                     sessionStateMap.remove(iid);
  86                     break;
  87                 default:
  88             }
  89         });
  90     }
  91
  92     @Override
  93     public synchronized void close() {
  94         if (listenerRegistration != null) {
  95             LOG.info("Closing PCEP Topology Stats RPC service.");
  96             listenerRegistration.close();
  97             listenerRegistration = null;
  98         }
  99     }
 100
 101     @Override
 102     public ListenableFuture<RpcResult<GetStatsOutput>> getStats(final GetStatsInput input) {
 103         final var iTopologies = input.getTopology();
 104         final List<TopologyId> iTopologyIds;
 105         if (iTopologies != null) {
 106             iTopologyIds = iTopologies.values().stream()
 107                     .map(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 108                         .rev190321.get.stats.input.Topology::getTopologyId)
 109                     .collect(Collectors.toList());
 110         } else {
 111             iTopologyIds = getAvailableTopologyIds();
 112         }
 113
 114         return Futures.immediateFuture(SuccessfulRpcResult.create(new GetStatsOutputBuilder()
 115             .setTopology(iTopologyIds.stream()
 116                 .map(iTopologyId -> {
 117                     final Collection<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology
 118                         .stats.rpc.rev190321.get.stats.input.topology.Node> iNodes;
 119                     if (iTopologies != null) {
 120                         final var nodes = iTopologies.values().stream()
 121                             .filter(t -> iTopologyId.equals(t.getTopologyId()))
 122                             .findFirst()
 123                             .get().getNode();
 124                         iNodes = nodes != null ? nodes.values() : null;
 125                     } else {
 126                         iNodes = null;
 127                     }
 128
 129                     final List<NodeId> iNodeIds;
 130                     if (iNodes != null) {
 131                         iNodeIds = iNodes.stream()
 132                             .map(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats
 133                                 .rpc.rev190321.get.stats.input.topology.Node::getNodeId)
 134                             .collect(Collectors.toList());
 135                     } else {
 136                         iNodeIds = getAvailableNodeIds(iTopologyId);
 137                     }
 138
 139                     return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 140                         .rev190321.get.stats.output.TopologyBuilder()
 141                         .setTopologyId(iTopologyId)
 142                         .setNode(iNodeIds.stream()
 143                             .map(iNodeId -> {
 144                                 final PcepSessionState state = sessionStateMap.get(
 145                                     InstanceIdentifier.builder(NetworkTopology.class)
 146                                         .child(Topology.class, new TopologyKey(iTopologyId))
 147                                         .child(Node.class, new NodeKey(iNodeId))
 148                                         .augmentation(PcepTopologyNodeStatsAug.class)
 149                                         .child(PcepSessionState.class)
 150                                         .build());
 151                                 if (state == null) {
 152                                     LOG.debug("Pcep session stats not available for node {} in topology {}",
 153                                         iNodeId.getValue(), iTopologyId.getValue());
 154                                 }
 155                                 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep
 156                                     .topology.stats.rpc.rev190321.get.stats.output.topology.NodeBuilder()
 157                                     .setNodeId(iNodeId)
 158                                     .setPcepSessionState(transformStatefulAugmentation(state))
 159                                     .build();
 160                             })
 161                             .collect(BindingMap.toOrderedMap()))
 162                         .build();
 163                 })
 164                 .collect(BindingMap.toOrderedMap()))
 165             .build()));
 166     }
 167
 168     /*
 169      * Replace stateful topology augmentations with ones for rpc in PCEP session
 170      * stats data
 171      */
 172     private static PcepSessionState transformStatefulAugmentation(final PcepSessionState pcepSessionState) {
 173         if (pcepSessionState == null) {
 174             return null;
 175         }
 176
 177         final PcepSessionStateBuilder sb = new PcepSessionStateBuilder(pcepSessionState);
 178
 179         final Messages topoMessage = pcepSessionState.getMessages();
 180         if (topoMessage != null) {
 181             final StatefulMessagesStatsAug messageStatsAug = topoMessage.augmentation(StatefulMessagesStatsAug.class);
 182             if (messageStatsAug != null) {
 183                 sb.setMessages(new MessagesBuilder(topoMessage)
 184                     .removeAugmentation(StatefulMessagesStatsAug.class)
 185                         .addAugmentation(new StatefulMessagesRpcAugBuilder()
 186                             .setLastReceivedRptMsgTimestamp(messageStatsAug.getLastReceivedRptMsgTimestamp())
 187                             .setReceivedRptMsgCount(messageStatsAug.getReceivedRptMsgCount())
 188                             .setSentInitMsgCount(messageStatsAug.getSentInitMsgCount())
 189                             .setSentUpdMsgCount(messageStatsAug.getSentUpdMsgCount())
 190                             .build())
 191                         .build());
 192             }
 193         }
 194
 195         final PeerCapabilities topoPeerCapability = pcepSessionState.getPeerCapabilities();
 196         if (topoPeerCapability != null) {
 197             final StatefulCapabilitiesStatsAug capabilityStatsAug =
 198                     topoPeerCapability.augmentation(StatefulCapabilitiesStatsAug.class);
 199             if (capabilityStatsAug != null) {
 200                 sb.setPeerCapabilities(new PeerCapabilitiesBuilder(topoPeerCapability)
 201                         .removeAugmentation(StatefulCapabilitiesStatsAug.class)
 202                         .addAugmentation(new StatefulCapabilitiesRpcAugBuilder()
 203                             .setActive(capabilityStatsAug.getActive())
 204                             .setInstantiation(capabilityStatsAug.getInstantiation())
 205                             .setStateful(capabilityStatsAug.getStateful())
 206                             .build())
 207                         .build());
 208             }
 209         }
 210
 211         final LocalPref topoLocalPref = pcepSessionState.getLocalPref();
 212         if (topoLocalPref != null) {
 213             final PcepEntityIdStatsAug entityStatsAug = topoLocalPref.augmentation(PcepEntityIdStatsAug.class);
 214             if (entityStatsAug != null) {
 215                 sb.setLocalPref(new LocalPrefBuilder(topoLocalPref)
 216                     .removeAugmentation(PcepEntityIdStatsAug.class)
 217                     .addAugmentation(new PcepEntityIdRpcAugBuilder()
 218                             .setSpeakerEntityIdValue(entityStatsAug.getSpeakerEntityIdValue())
 219                             .build())
 220                     .build());
 221             }
 222         }
 223
 224         return sb.build();
 225     }
 226
 227     private List<TopologyId> getAvailableTopologyIds() {
 228         return sessionStateMap.keySet().stream().map(iid -> iid.firstKeyOf(Topology.class).getTopologyId()).distinct()
 229                 .collect(Collectors.toList());
 230     }
 231
 232     private List<NodeId> getAvailableNodeIds(final TopologyId topologyId) {
 233         return sessionStateMap.keySet().stream()
 234                 .filter(iid -> iid.firstKeyOf(Topology.class).getTopologyId().equals(topologyId))
 235                 .map(iid -> iid.firstKeyOf(Node.class).getNodeId()).collect(Collectors.toList());
 236     }
 237 }