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
   9 package org.opendaylight.bgpcep.pcep.topology.stats.rpc;
  10
  11 import static java.util.Objects.requireNonNull;
  12
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15 import java.util.ArrayList;
  16 import java.util.Collection;
  17 import java.util.List;
  18 import java.util.concurrent.ConcurrentHashMap;
  19 import java.util.concurrent.ConcurrentMap;
  20 import java.util.stream.Collectors;
  21 import org.opendaylight.bgpcep.programming.spi.SuccessfulRpcResult;
  22 import org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
  23 import org.opendaylight.mdsal.binding.api.DataBroker;
  24 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  25 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  26 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  27 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.PcepEntityIdRpcAugBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.PcepEntityIdStatsAug;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulCapabilitiesRpcAugBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulCapabilitiesStatsAug;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulMessagesRpcAugBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stateful.stats.rev181109.StatefulMessagesStatsAug;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.LocalPref;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.LocalPrefBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.Messages;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.MessagesBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.PeerCapabilities;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.PeerCapabilitiesBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.grouping.PcepSessionState;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.stats.rev171113.pcep.session.state.grouping.PcepSessionStateBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsInput;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsOutput;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.GetStatsOutputBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321.PcepTopologyStatsRpcService;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.stats.rev181109.PcepTopologyNodeStatsAug;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  54 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  55 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  56 import org.opendaylight.yangtools.yang.common.RpcResult;
  57 import org.slf4j.Logger;
  58 import org.slf4j.LoggerFactory;
  59
  60 public class TopologyStatsRpcServiceImpl
  61         implements PcepTopologyStatsRpcService, ClusteredDataTreeChangeListener<PcepSessionState>, AutoCloseable {
  62     private static final Logger LOG = LoggerFactory.getLogger(TopologyStatsRpcServiceImpl.class);
  63
  64     private final DataBroker dataBroker;
  65     private final ConcurrentMap<InstanceIdentifier<PcepSessionState>, PcepSessionState> sessionStateMap =
  66             new ConcurrentHashMap<>();
  67     private ListenerRegistration<TopologyStatsRpcServiceImpl> listenerRegistration;
  68
  69     public TopologyStatsRpcServiceImpl(final DataBroker dataBroker) {
  70         this.dataBroker = requireNonNull(dataBroker);
  71     }
  72
  73     public synchronized void init() {
  74         LOG.info("Initializing PCEP Topology Stats RPC service.");
  75         this.listenerRegistration = this.dataBroker.registerDataTreeChangeListener(
  76                 DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
  77                         InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class).child(Node.class)
  78                                 .augmentation(PcepTopologyNodeStatsAug.class).child(PcepSessionState.class).build()),
  79                 this);
  80     }
  81
  82     @Override
  83     public void onDataTreeChanged(final Collection<DataTreeModification<PcepSessionState>> changes) {
  84         changes.forEach(change -> {
  85             final InstanceIdentifier<PcepSessionState> iid = change.getRootPath().getRootIdentifier();
  86             final DataObjectModification<PcepSessionState> mod = change.getRootNode();
  87             switch (mod.getModificationType()) {
  88                 case SUBTREE_MODIFIED:
  89                 case WRITE:
  90                     sessionStateMap.put(iid, mod.getDataAfter());
  91                     break;
  92                 case DELETE:
  93                     sessionStateMap.remove(iid);
  94                     break;
  95                 default:
  96             }
  97         });
  98     }
  99
 100     @Override
 101     public synchronized void close() {
 102         LOG.info("Closing PCEP Topology Stats RPC service.");
 103         if (this.listenerRegistration != null) {
 104             this.listenerRegistration.close();
 105             this.listenerRegistration = null;
 106         }
 107     }
 108
 109     @Override
 110     public ListenableFuture<RpcResult<GetStatsOutput>> getStats(final GetStatsInput input) {
 111         final var iTopologies = input.getTopology();
 112         final Collection<TopologyId> iTopologyIds;
 113         if (iTopologies != null) {
 114             iTopologyIds = iTopologies.values().stream()
 115                     .map(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 116                         .rev190321.get.stats.input.Topology::getTopologyId)
 117                     .collect(Collectors.toList());
 118         } else {
 119             iTopologyIds = getAvailableTopologyIds();
 120         }
 121
 122         final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc.rev190321
 123                     .get.stats.output.Topology> oTopologies = new ArrayList<>();
 124         iTopologyIds.forEach(iTopologyId -> {
 125             final Collection<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 126                     .rev190321.get.stats.input.topology.Node> iNodes;
 127             if (iTopologies != null) {
 128                 final var nodes = iTopologies.values().stream()
 129                         .filter(t -> iTopologyId.equals(t.getTopologyId()))
 130                         .findFirst()
 131                         .get().getNode();
 132                 iNodes = nodes != null ? nodes.values() : null;
 133             } else {
 134                 iNodes = null;
 135             }
 136
 137             final List<NodeId> iNodeIds;
 138             if (iNodes != null) {
 139                 iNodeIds = iNodes.stream()
 140                         .map(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 141                             .rev190321.get.stats.input.topology.Node::getNodeId)
 142                         .collect(Collectors.toList());
 143             } else {
 144                 iNodeIds = getAvailableNodeIds(iTopologyId);
 145             }
 146
 147             final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 148                         .rev190321.get.stats.output.topology.Node> oNodes = new ArrayList<>();
 149             iNodeIds.forEach(iNodeId -> {
 150                 final InstanceIdentifier<PcepSessionState> iid = InstanceIdentifier.builder(NetworkTopology.class)
 151                         .child(Topology.class, new TopologyKey(iTopologyId)).child(Node.class, new NodeKey(iNodeId))
 152                         .augmentation(PcepTopologyNodeStatsAug.class).child(PcepSessionState.class).build();
 153                 final PcepSessionState state = sessionStateMap.get(iid);
 154                 if (state == null) {
 155                     LOG.debug("Pcep session stats not available for node {} in topology {}", iNodeId.getValue(),
 156                             iTopologyId.getValue());
 157                 }
 158                 oNodes.add(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 159                     .rev190321.get.stats.output.topology.NodeBuilder()
 160                     .setNodeId(iNodeId)
 161                     .setPcepSessionState(transformStatefulAugmentation(state)).build());
 162             });
 163
 164             oTopologies.add(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.topology.stats.rpc
 165                 .rev190321.get.stats.output.TopologyBuilder().setTopologyId(iTopologyId).setNode(oNodes).build());
 166         });
 167
 168         final RpcResult<GetStatsOutput> res =
 169                 SuccessfulRpcResult.create(new GetStatsOutputBuilder().setTopology(oTopologies).build());
 170         return Futures.immediateFuture(res);
 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.isActive())
 209                             .setInstantiation(capabilityStatsAug.isInstantiation())
 210                             .setStateful(capabilityStatsAug.isStateful())
 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 }