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 java.util.Collection;
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import java.util.Map.Entry;
  15 import java.util.concurrent.ExecutionException;
  16
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  19 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  20 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  32 import org.opendaylight.yangtools.yang.binding.DataObject;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 import com.google.common.base.Optional;
  38 import com.google.common.util.concurrent.CheckedFuture;
  39
  40 public class BridgeOperationalState {
  41     private static final Logger LOG = LoggerFactory.getLogger(BridgeOperationalState.class);
  42     private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  43
  44     public BridgeOperationalState(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
  45             DataObject> changes) {
  46         ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
  47         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
  48                 TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  49         if (nodeCreateOrUpdate != null) {
  50             for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
  51                 CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture =
  52                         transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey());
  53                 try {
  54                     Optional<Node> nodeOptional = nodeFuture.get();
  55                     if (nodeOptional.isPresent()) {
  56                         operationalNodes.put(entry.getKey(), nodeOptional.get());
  57                     }
  58                 } catch (InterruptedException | ExecutionException e) {
  59                     LOG.warn("Error reading from datastore",e);
  60                 }
  61             }
  62         }
  63         transaction.close();
  64     }
  65
  66     public BridgeOperationalState(DataBroker db, Collection<DataTreeModification<Node>> changes) {
  67         ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
  68         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdateOrRemove =
  69                 TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  70         for (Entry<InstanceIdentifier<Node>, Node> entry : nodeCreateOrUpdateOrRemove.entrySet()) {
  71             try {
  72                 Optional<Node> nodeOptional = transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey())
  73                             .checkedGet();
  74                 if (nodeOptional.isPresent()) {
  75                     operationalNodes.put(entry.getKey(), nodeOptional.get());
  76                 }
  77             } catch (ReadFailedException e) {
  78                 LOG.warn("Error reading from datastore", e);
  79             }
  80         }
  81     }
  82
  83     public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
  84         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  85         return Optional.fromNullable(operationalNodes.get(nodeIid));
  86     }
  87
  88     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  89         Optional<Node> nodeOptional = getBridgeNode(iid);
  90         if (nodeOptional.isPresent()) {
  91             return Optional.fromNullable(nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class));
  92         }
  93         return Optional.absent();
  94     }
  95
  96     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  97         if (iid != null) {
  98             Optional<Node> nodeOptional = getBridgeNode(iid);
  99             if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
 100                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class, TerminationPointKey.class);
 101                 if (key != null) {
 102                     for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
 103                         if (tp.getKey().equals(key)) {
 104                             return Optional.of(tp);
 105                         }
 106                     }
 107                 }
 108             }
 109         }
 110         return Optional.absent();
 111     }
 112
 113     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
 114         Optional<TerminationPoint> tpOptional = getBridgeTerminationPoint(iid);
 115         if (tpOptional.isPresent()) {
 116             return Optional.fromNullable(tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class));
 117         }
 118         return Optional.absent();
 119     }
 120
 121     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
 122         if (iid != null) {
 123             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 124             if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getControllerEntry() != null) {
 125                 ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class, ControllerEntryKey.class);
 126                 if (key != null) {
 127                     for (ControllerEntry entry: ovsdbBridgeOptional.get().getControllerEntry()) {
 128                         if (entry.getKey().equals(key)) {
 129                             return Optional.of(entry);
 130                         }
 131                     }
 132                 }
 133             }
 134         }
 135         return Optional.absent();
 136     }
 137
 138     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 139         if (iid != null) {
 140             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 141             if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getProtocolEntry() != null) {
 142                 ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class, ProtocolEntryKey.class);
 143                 if (key != null) {
 144                     for (ProtocolEntry entry: ovsdbBridgeOptional.get().getProtocolEntry()) {
 145                         if (entry.getKey().equals(key)) {
 146                             return Optional.of(entry);
 147                         }
 148                     }
 149                 }
 150             }
 151         }
 152         return Optional.absent();
 153     }
 154
 155 }