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

   1 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5 import java.util.Map.Entry;
   6 import java.util.concurrent.ExecutionException;
   7
   8 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
   9 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  10 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  11 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  12 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  22 import org.opendaylight.yangtools.yang.binding.DataObject;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import com.google.common.base.Optional;
  28 import com.google.common.util.concurrent.CheckedFuture;
  29
  30 public class BridgeOperationalState {
  31     private static final Logger LOG = LoggerFactory.getLogger(BridgeOperationalState.class);
  32     private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  33
  34     public BridgeOperationalState(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
  35             DataObject> changes) {
  36         ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
  37         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
  38                 TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  39         if (nodeCreateOrUpdate != null) {
  40             for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
  41                 CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture =
  42                         transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey());
  43                 try {
  44                     Optional<Node> nodeOptional = nodeFuture.get();
  45                     if (nodeOptional.isPresent()) {
  46                         operationalNodes.put(entry.getKey(), nodeOptional.get());
  47                     }
  48                 } catch (InterruptedException | ExecutionException e) {
  49                     LOG.warn("Error reading from datastore",e);
  50                 }
  51             }
  52         }
  53         transaction.close();
  54     }
  55
  56     public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
  57         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  58         return Optional.fromNullable(operationalNodes.get(nodeIid));
  59     }
  60
  61     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  62         Optional<Node> nodeOptional = getBridgeNode(iid);
  63         if (nodeOptional.isPresent()) {
  64             return Optional.fromNullable(nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class));
  65         }
  66         return Optional.absent();
  67     }
  68
  69     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  70         if (iid != null) {
  71             Optional<Node> nodeOptional = getBridgeNode(iid);
  72             if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
  73                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class, TerminationPointKey.class);
  74                 if (key != null) {
  75                     for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
  76                         if (tp.getKey().equals(key)) {
  77                             return Optional.of(tp);
  78                         }
  79                     }
  80                 }
  81             }
  82         }
  83         return Optional.absent();
  84     }
  85
  86     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
  87         Optional<TerminationPoint> tpOptional = getBridgeTerminationPoint(iid);
  88         if (tpOptional.isPresent()) {
  89             return Optional.fromNullable(tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class));
  90         }
  91         return Optional.absent();
  92     }
  93
  94     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
  95         if (iid != null) {
  96             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
  97             if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getControllerEntry() != null) {
  98                 ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class, ControllerEntryKey.class);
  99                 if (key != null) {
 100                     for (ControllerEntry entry: ovsdbBridgeOptional.get().getControllerEntry()) {
 101                         if (entry.getKey().equals(key)) {
 102                             return Optional.of(entry);
 103                         }
 104                     }
 105                 }
 106             }
 107         }
 108         return Optional.absent();
 109     }
 110
 111     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 112         if (iid != null) {
 113             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 114             if (ovsdbBridgeOptional.isPresent() && ovsdbBridgeOptional.get().getProtocolEntry() != null) {
 115                 ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class, ProtocolEntryKey.class);
 116                 if (key != null) {
 117                     for (ProtocolEntry entry: ovsdbBridgeOptional.get().getProtocolEntry()) {
 118                         if (entry.getKey().equals(key)) {
 119                             return Optional.of(entry);
 120                         }
 121                     }
 122                 }
 123             }
 124         }
 125         return Optional.absent();
 126     }
 127
 128 }