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.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.locator.set.attributes.LocatorSet;
  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.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import com.google.common.base.Optional;
  37 import com.google.common.util.concurrent.CheckedFuture;
  38
  39 public class HwvtepOperationalState {
  40     private static final Logger LOG = LoggerFactory.getLogger(HwvtepOperationalState.class);
  41     private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  42
  43     public HwvtepOperationalState(DataBroker db, Collection<DataTreeModification<Node>> 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> getGlobalNode(InstanceIdentifier<?> iid) {
  65         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  66         return Optional.fromNullable(operationalNodes.get(nodeIid));
  67     }
  68
  69     public Optional<LogicalSwitches> getLogicalSwitches(InstanceIdentifier<?> iid, LogicalSwitchesKey lswitchKey) {
  70         Optional<Node> nodeOptional = getGlobalNode(iid);
  71         if (nodeOptional.isPresent()) {
  72             List<LogicalSwitches> lswitchList = nodeOptional.get().getAugmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches();
  73             if (lswitchList != null) {
  74                 for (LogicalSwitches lswitch: lswitchList) {
  75                     if (lswitch.getKey().equals(lswitchKey)) {
  76                         return Optional.fromNullable(lswitch);
  77                     }
  78                 }
  79             }
  80         }
  81         return Optional.absent();
  82     }
  83
  84     public Optional<PhysicalSwitchAugmentation> getPhysicalSwitchAugmentation(InstanceIdentifier<?> iid) {
  85         Optional<Node> nodeOptional = getGlobalNode(iid);
  86         if (nodeOptional.isPresent()) {
  87             return Optional.fromNullable(nodeOptional.get().getAugmentation(PhysicalSwitchAugmentation.class));
  88         }
  89         return Optional.absent();
  90     }
  91
  92     public Optional<LocatorSet> getPhysicalLocatorSet(InstanceIdentifier<?> iid) {
  93         Optional<Node> nodeOptional = getGlobalNode(iid);
  94         //TODO: physical locator set are under different logical switches
  95         /*if (nodeOptional.isPresent()) {
  96             return Optional.fromNullable(nodeOptional.get().getAugmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches());
  97         }*/
  98         return Optional.absent();
  99     }
 100
 101     public Optional<TerminationPoint> getHwvtepTerminationPoint(InstanceIdentifier<?> iid) {
 102         if (iid != null) {
 103             Optional<Node> nodeOptional = getGlobalNode(iid);
 104             if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
 105                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class, TerminationPointKey.class);
 106                 if (key != null) {
 107                     for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
 108                         if (tp.getKey().equals(key)) {
 109                             return Optional.of(tp);
 110                         }
 111                     }
 112                 }
 113             }
 114         }
 115         return Optional.absent();
 116     }
 117
 118     public Optional<HwvtepPhysicalLocatorAugmentation> getPhysicalLocatorAugmentation(InstanceIdentifier<?> iid) {
 119         Optional<TerminationPoint> nodeOptional = getHwvtepTerminationPoint(iid);
 120         if (nodeOptional.isPresent()) {
 121             return Optional.fromNullable(nodeOptional.get().getAugmentation(HwvtepPhysicalLocatorAugmentation.class));
 122         }
 123         return Optional.absent();
 124     }
 125
 126     public Optional<HwvtepPhysicalPortAugmentation> getPhysycalPortAugmentation(InstanceIdentifier<?> iid) {
 127         Optional<TerminationPoint> tpOptional = getHwvtepTerminationPoint(iid);
 128         if (tpOptional.isPresent()) {
 129             return Optional.fromNullable(tpOptional.get().getAugmentation(HwvtepPhysicalPortAugmentation.class));
 130         }
 131         return Optional.absent();
 132     }
 133 }