southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/BridgeOperationalState.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, 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.ovsdb.southbound.ovsdb.transact;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import java.util.Collection;
  14 import java.util.HashMap;
  15 import java.util.Map;
  16 import java.util.Map.Entry;
  17 import java.util.concurrent.ExecutionException;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  20 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  21 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  33 import org.opendaylight.yangtools.yang.binding.DataObject;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public class BridgeOperationalState {
  39     private static final Logger LOG = LoggerFactory.getLogger(BridgeOperationalState.class);
  40     private final Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  41
  42     public BridgeOperationalState(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
  43             DataObject> changes) {
  44         try (ReadOnlyTransaction transaction = db.newReadOnlyTransaction()) {
  45             Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
  46                     TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  47             for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
  48                 CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture =
  49                         transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey());
  50                 try {
  51                     Optional<Node> nodeOptional = nodeFuture.get();
  52                     if (nodeOptional.isPresent()) {
  53                         operationalNodes.put(entry.getKey(), nodeOptional.get());
  54                     }
  55                 } catch (InterruptedException | ExecutionException e) {
  56                     LOG.warn("Error reading from datastore",e);
  57                 }
  58             }
  59         }
  60     }
  61
  62     public BridgeOperationalState(DataBroker db, Collection<DataTreeModification<Node>> changes) {
  63         try (ReadOnlyTransaction transaction = db.newReadOnlyTransaction()) {
  64             Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdateOrRemove =
  65                     TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  66             for (Entry<InstanceIdentifier<Node>, Node> entry : nodeCreateOrUpdateOrRemove.entrySet()) {
  67                 try {
  68                     Optional<Node> nodeOptional =
  69                             transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey()).checkedGet();
  70                     if (nodeOptional.isPresent()) {
  71                         operationalNodes.put(entry.getKey(), nodeOptional.get());
  72                     }
  73                 } catch (ReadFailedException e) {
  74                     LOG.warn("Error reading from datastore", e);
  75                 }
  76             }
  77         }
  78     }
  79
  80     public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
  81         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  82         return Optional.fromNullable(operationalNodes.get(nodeIid));
  83     }
  84
  85     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  86         Optional<Node> nodeOptional = getBridgeNode(iid);
  87         if (nodeOptional.isPresent()) {
  88             return Optional.fromNullable(nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class));
  89         }
  90         return Optional.absent();
  91     }
  92
  93     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  94         if (iid != null) {
  95             Optional<Node> nodeOptional = getBridgeNode(iid);
  96             if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
  97                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class);
  98                 if (key != null) {
  99                     for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
 100                         if (tp.getKey().equals(key)) {
 101                             return Optional.of(tp);
 102                         }
 103                     }
 104                 }
 105             } else {
 106                 LOG.debug("TerminationPoints or Operational BridgeNode missing for {}", iid);
 107             }
 108         }
 109         return Optional.absent();
 110     }
 111
 112     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
 113         Optional<TerminationPoint> tpOptional = getBridgeTerminationPoint(iid);
 114         if (tpOptional.isPresent()) {
 115             return Optional.fromNullable(tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class));
 116         }
 117         return Optional.absent();
 118     }
 119
 120     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
 121         if (iid != null) {
 122             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 123             if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getControllerEntry() != null) {
 124                 ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class);
 125                 if (key != null) {
 126                     for (ControllerEntry entry: ovsdbBridgeOptional.get().getControllerEntry()) {
 127                         if (entry.getKey().equals(key)) {
 128                             return Optional.of(entry);
 129                         }
 130                     }
 131                 }
 132             }
 133         }
 134         return Optional.absent();
 135     }
 136
 137     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 138         if (iid != null) {
 139             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 140             if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getProtocolEntry() != null) {
 141                 ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class);
 142                 if (key != null) {
 143                     for (ProtocolEntry entry: ovsdbBridgeOptional.get().getProtocolEntry()) {
 144                         if (entry.getKey().equals(key)) {
 145                             return Optional.of(entry);
 146                         }
 147                     }
 148                 }
 149             }
 150         }
 151         return Optional.absent();
 152     }
 153
 154 }