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