hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/HwvtepOperationalState.java

   1 /*
   2  * Copyright (c) 2015 China Telecom Beijing Research Institute 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.hwvtepsouthbound.transact;
  10
  11 import java.util.Collection;
  12 import java.util.HashMap;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.Map.Entry;
  16 import java.util.concurrent.ExecutionException;
  17
  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.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.hwvtep.rev150901.HwvtepGlobalAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitchesKey;
  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.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35 import com.google.common.base.Optional;
  36 import com.google.common.util.concurrent.CheckedFuture;
  37
  38 public class HwvtepOperationalState {
  39     private static final Logger LOG = LoggerFactory.getLogger(HwvtepOperationalState.class);
  40     private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  41
  42     public HwvtepOperationalState(DataBroker db, Collection<DataTreeModification<Node>> changes) {
  43         ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
  44         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
  45             TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  46         if (nodeCreateOrUpdate != null) {
  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         transaction.close();
  61     }
  62
  63     public Optional<Node> getGlobalNode(InstanceIdentifier<?> iid) {
  64         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  65         return Optional.fromNullable(operationalNodes.get(nodeIid));
  66     }
  67
  68     public Optional<LogicalSwitches> getLogicalSwitches(InstanceIdentifier<?> iid, LogicalSwitchesKey lswitchKey) {
  69         Optional<Node> nodeOptional = getGlobalNode(iid);
  70         if (nodeOptional.isPresent()) {
  71             List<LogicalSwitches> lswitchList = nodeOptional.get().getAugmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches();
  72             if (lswitchList != null) {
  73                 for (LogicalSwitches lswitch: lswitchList) {
  74                     if (lswitch.getKey().equals(lswitchKey)) {
  75                         return Optional.fromNullable(lswitch);
  76                     }
  77                 }
  78             }
  79         }
  80         return Optional.absent();
  81     }
  82
  83     public Optional<PhysicalSwitchAugmentation> getPhysicalSwitchAugmentation(InstanceIdentifier<?> iid) {
  84         Optional<Node> nodeOptional = getGlobalNode(iid);
  85         if (nodeOptional.isPresent()) {
  86             return Optional.fromNullable(nodeOptional.get().getAugmentation(PhysicalSwitchAugmentation.class));
  87         }
  88         return Optional.absent();
  89     }
  90
  91     public Optional<TerminationPoint> getHwvtepTerminationPoint(InstanceIdentifier<?> iid) {
  92         if (iid != null) {
  93             Optional<Node> nodeOptional = getGlobalNode(iid);
  94             if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
  95                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class, TerminationPointKey.class);
  96                 if (key != null) {
  97                     for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
  98                         if (tp.getKey().equals(key)) {
  99                             return Optional.of(tp);
 100                         }
 101                     }
 102                 }
 103             }
 104         }
 105         return Optional.absent();
 106     }
 107
 108     public Optional<HwvtepPhysicalLocatorAugmentation> getPhysicalLocatorAugmentation(InstanceIdentifier<?> iid) {
 109         Optional<TerminationPoint> nodeOptional = getHwvtepTerminationPoint(iid);
 110         if (nodeOptional.isPresent()) {
 111             return Optional.fromNullable(nodeOptional.get().getAugmentation(HwvtepPhysicalLocatorAugmentation.class));
 112         }
 113         return Optional.absent();
 114     }
 115
 116     public Optional<HwvtepPhysicalPortAugmentation> getPhysycalPortAugmentation(InstanceIdentifier<?> iid) {
 117         Optional<TerminationPoint> tpOptional = getHwvtepTerminationPoint(iid);
 118         if (tpOptional.isPresent()) {
 119             return Optional.fromNullable(tpOptional.get().getAugmentation(HwvtepPhysicalPortAugmentation.class));
 120         }
 121         return Optional.absent();
 122     }
 123 }