pcep/topology/topology-provider/src/main/java/org/opendaylight/bgpcep/pcep/topology/provider/TopologyStatsRpc.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.provider;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.util.concurrent.Futures;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.Collection;
  14 import java.util.List;
  15 import java.util.concurrent.ConcurrentHashMap;
  16 import java.util.concurrent.ConcurrentMap;
  17 import java.util.stream.Collectors;
  18 import org.opendaylight.bgpcep.programming.spi.SuccessfulRpcResult;
  19 import org.opendaylight.mdsal.binding.api.DataBroker;
  20 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  21 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  23 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  24 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.PcepEntityIdRpcAugBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.PcepEntityIdStatsAug;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulCapabilitiesRpcAugBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulCapabilitiesStatsAug;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulMessagesRpcAugBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulMessagesStatsAug;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.LocalPref;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.LocalPrefBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.Messages;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.MessagesBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.PeerCapabilities;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.PeerCapabilitiesBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.grouping.PcepSessionState;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.grouping.PcepSessionStateBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStats;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsInput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsOutput;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsOutputBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.stats.rev181109.PcepTopologyNodeStatsAug;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  51 import org.opendaylight.yangtools.concepts.Registration;
  52 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  53 import org.opendaylight.yangtools.yang.binding.util.BindingMap;
  54 import org.opendaylight.yangtools.yang.common.RpcResult;
  55 import org.slf4j.Logger;
  56 import org.slf4j.LoggerFactory;
  57
  58 final class TopologyStatsRpc implements DataTreeChangeListener<PcepSessionState>, AutoCloseable {
  59     private static final Logger LOG = LoggerFactory.getLogger(TopologyStatsRpc.class);
  60
  61     private final ConcurrentMap<InstanceIdentifier<PcepSessionState>, PcepSessionState> sessionStateMap =
  62             new ConcurrentHashMap<>();
  63     private Registration listenerRegistration;
  64     private Registration rpcRegistration;
  65
  66     TopologyStatsRpc(final DataBroker dataBroker, final RpcProviderService rpcProviderService) {
  67         LOG.info("Initializing PCEP Topology Stats RPC service.");
  68         listenerRegistration = dataBroker.registerTreeChangeListener(
  69             DataTreeIdentifier.of(LogicalDatastoreType.OPERATIONAL,
  70                 InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class).child(Node.class)
  71                     .augmentation(PcepTopologyNodeStatsAug.class).child(PcepSessionState.class).build()),
  72             this);
  73         rpcRegistration = rpcProviderService.registerRpcImplementation((GetStats) this::getStats);
  74     }
  75
  76     @Override
  77     public void onDataTreeChanged(final List<DataTreeModification<PcepSessionState>> changes) {
  78         changes.forEach(change -> {
  79             final var iid = change.getRootPath().path();
  80             final var mod = change.getRootNode();
  81             switch (mod.modificationType()) {
  82                 case SUBTREE_MODIFIED, WRITE:
  83                     sessionStateMap.put(iid, mod.dataAfter());
  84                     break;
  85                 case DELETE:
  86                     sessionStateMap.remove(iid);
  87                     break;
  88                 default:
  89             }
  90         });
  91     }
  92
  93     @Override
  94     public synchronized void close() {
  95         if (rpcRegistration != null) {
  96             rpcRegistration.close();
  97             rpcRegistration = null;
  98         }
  99         if (listenerRegistration != null) {
 100             LOG.info("Closing PCEP Topology Stats RPC service.");
 101             listenerRegistration.close();
 102             listenerRegistration = null;
 103         }
 104     }
 105
 106     @VisibleForTesting
 107     ListenableFuture<RpcResult<GetStatsOutput>> getStats(final GetStatsInput input) {
 108         final var iTopologies = input.getTopology();
 109         final List<TopologyId> iTopologyIds;
 110         if (iTopologies != null) {
 111             iTopologyIds = iTopologies.values().stream()
 112                     .map(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 113                         .rev190321.get.stats.input.Topology::getTopologyId)
 114                     .collect(Collectors.toList());
 115         } else {
 116             iTopologyIds = getAvailableTopologyIds();
 117         }
 118
 119         return Futures.immediateFuture(SuccessfulRpcResult.create(new GetStatsOutputBuilder()
 120             .setTopology(iTopologyIds.stream()
 121                 .map(iTopologyId -> {
 122                     final Collection<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology
 123                         .stats.rpc.rev190321.get.stats.input.topology.Node> iNodes;
 124                     if (iTopologies != null) {
 125                         final var nodes = iTopologies.values().stream()
 126                             .filter(t -> iTopologyId.equals(t.getTopologyId()))
 127                             .findFirst()
 128                             .orElseThrow().getNode();
 129                         iNodes = nodes != null ? nodes.values() : null;
 130                     } else {
 131                         iNodes = null;
 132                     }
 133
 134                     final List<NodeId> iNodeIds;
 135                     if (iNodes != null) {
 136                         iNodeIds = iNodes.stream()
 137                             .map(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats
 138                                 .rpc.rev190321.get.stats.input.topology.Node::getNodeId)
 139                             .collect(Collectors.toList());
 140                     } else {
 141                         iNodeIds = getAvailableNodeIds(iTopologyId);
 142                     }
 143
 144                     return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 145                         .rev190321.get.stats.output.TopologyBuilder()
 146                         .setTopologyId(iTopologyId)
 147                         .setNode(iNodeIds.stream()
 148                             .map(iNodeId -> {
 149                                 final PcepSessionState state = sessionStateMap.get(
 150                                     InstanceIdentifier.builder(NetworkTopology.class)
 151                                         .child(Topology.class, new TopologyKey(iTopologyId))
 152                                         .child(Node.class, new NodeKey(iNodeId))
 153                                         .augmentation(PcepTopologyNodeStatsAug.class)
 154                                         .child(PcepSessionState.class)
 155                                         .build());
 156                                 if (state == null) {
 157                                     LOG.debug("Pcep session stats not available for node {} in topology {}",
 158                                         iNodeId.getValue(), iTopologyId.getValue());
 159                                 }
 160                                 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep
 161                                     .topology.stats.rpc.rev190321.get.stats.output.topology.NodeBuilder()
 162                                     .setNodeId(iNodeId)
 163                                     .setPcepSessionState(transformStatefulAugmentation(state))
 164                                     .build();
 165                             })
 166                             .collect(BindingMap.toOrderedMap()))
 167                         .build();
 168                 })
 169                 .collect(BindingMap.toOrderedMap()))
 170             .build()));
 171     }
 172
 173     /*
 174      * Replace stateful topology augmentations with ones for rpc in PCEP session
 175      * stats data
 176      */
 177     private static PcepSessionState transformStatefulAugmentation(final PcepSessionState pcepSessionState) {
 178         if (pcepSessionState == null) {
 179             return null;
 180         }
 181
 182         final PcepSessionStateBuilder sb = new PcepSessionStateBuilder(pcepSessionState);
 183
 184         final Messages topoMessage = pcepSessionState.getMessages();
 185         if (topoMessage != null) {
 186             final StatefulMessagesStatsAug messageStatsAug = topoMessage.augmentation(StatefulMessagesStatsAug.class);
 187             if (messageStatsAug != null) {
 188                 sb.setMessages(new MessagesBuilder(topoMessage)
 189                     .removeAugmentation(StatefulMessagesStatsAug.class)
 190                         .addAugmentation(new StatefulMessagesRpcAugBuilder()
 191                             .setLastReceivedRptMsgTimestamp(messageStatsAug.getLastReceivedRptMsgTimestamp())
 192                             .setReceivedRptMsgCount(messageStatsAug.getReceivedRptMsgCount())
 193                             .setSentInitMsgCount(messageStatsAug.getSentInitMsgCount())
 194                             .setSentUpdMsgCount(messageStatsAug.getSentUpdMsgCount())
 195                             .build())
 196                         .build());
 197             }
 198         }
 199
 200         final PeerCapabilities topoPeerCapability = pcepSessionState.getPeerCapabilities();
 201         if (topoPeerCapability != null) {
 202             final StatefulCapabilitiesStatsAug capabilityStatsAug =
 203                     topoPeerCapability.augmentation(StatefulCapabilitiesStatsAug.class);
 204             if (capabilityStatsAug != null) {
 205                 sb.setPeerCapabilities(new PeerCapabilitiesBuilder(topoPeerCapability)
 206                         .removeAugmentation(StatefulCapabilitiesStatsAug.class)
 207                         .addAugmentation(new StatefulCapabilitiesRpcAugBuilder()
 208                             .setActive(capabilityStatsAug.getActive())
 209                             .setInstantiation(capabilityStatsAug.getInstantiation())
 210                             .setStateful(capabilityStatsAug.getStateful())
 211                             .build())
 212                         .build());
 213             }
 214         }
 215
 216         final LocalPref topoLocalPref = pcepSessionState.getLocalPref();
 217         if (topoLocalPref != null) {
 218             final PcepEntityIdStatsAug entityStatsAug = topoLocalPref.augmentation(PcepEntityIdStatsAug.class);
 219             if (entityStatsAug != null) {
 220                 sb.setLocalPref(new LocalPrefBuilder(topoLocalPref)
 221                     .removeAugmentation(PcepEntityIdStatsAug.class)
 222                     .addAugmentation(new PcepEntityIdRpcAugBuilder()
 223                             .setSpeakerEntityIdValue(entityStatsAug.getSpeakerEntityIdValue())
 224                             .build())
 225                     .build());
 226             }
 227         }
 228
 229         return sb.build();
 230     }
 231
 232     private List<TopologyId> getAvailableTopologyIds() {
 233         return sessionStateMap.keySet().stream().map(iid -> iid.firstKeyOf(Topology.class).getTopologyId()).distinct()
 234                 .collect(Collectors.toList());
 235     }
 236
 237     private List<NodeId> getAvailableNodeIds(final TopologyId topologyId) {
 238         return sessionStateMap.keySet().stream()
 239                 .filter(iid -> iid.firstKeyOf(Topology.class).getTopologyId().equals(topologyId))
 240                 .map(iid -> iid.firstKeyOf(Node.class).getNodeId()).collect(Collectors.toList());
 241     }
 242 }