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 DataBroker db;
  33     private AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes;
  34     private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<InstanceIdentifier<Node>, Node>();
  35
  36     public BridgeOperationalState(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
  37             DataObject> changes) {
  38         this.db = db;
  39         this.changes = changes;
  40         ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
  41         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
  42                 TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  43         if (nodeCreateOrUpdate != null) {
  44             for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
  45                 CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture =
  46                         transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey());
  47                 try {
  48                     Optional<Node> nodeOptional = nodeFuture.get();
  49                     if (nodeOptional.isPresent()) {
  50                         operationalNodes.put(entry.getKey(), nodeOptional.get());
  51                     }
  52                 } catch (InterruptedException e) {
  53                     LOG.warn("Error reading from datastore",e);
  54                 } catch (ExecutionException e) {
  55                     LOG.warn("Error reading from datastore",e);
  56                 }
  57             }
  58         }
  59         transaction.close();
  60     }
  61
  62     public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
  63         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  64         if (operationalNodes.containsKey(nodeIid)) {
  65             return Optional.of(operationalNodes.get(nodeIid));
  66         }
  67         return Optional.absent();
  68     }
  69
  70     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  71         Optional<Node> nodeOptional = getBridgeNode(iid);
  72         if (nodeOptional.isPresent() && nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class) != null) {
  73             return Optional.of(nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class));
  74         }
  75         return Optional.absent();
  76     }
  77
  78     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  79         Optional<Node> nodeOptional = getBridgeNode(iid);
  80         if (nodeOptional.isPresent()
  81                 && nodeOptional.get().getTerminationPoint() != null
  82                 && iid != null) {
  83             TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class, TerminationPointKey.class);
  84             if (key != null) {
  85                 for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
  86                     if (tp.getKey().equals(key)) {
  87                         return Optional.of(tp);
  88                     }
  89                 }
  90             }
  91         }
  92         return Optional.absent();
  93     }
  94
  95     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
  96         Optional<TerminationPoint> tpOptional = getBridgeTerminationPoint(iid);
  97         if (tpOptional.isPresent()
  98                 && tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class) != null) {
  99             return Optional.of(tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class));
 100         }
 101         return Optional.absent();
 102     }
 103
 104     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
 105         Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 106         if (ovsdbBridgeOptional.isPresent()
 107                 && ovsdbBridgeOptional.get().getControllerEntry() != null
 108                 && iid != null) {
 109             ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class, ControllerEntryKey.class);
 110             if (key != null) {
 111                 for (ControllerEntry entry: ovsdbBridgeOptional.get().getControllerEntry()) {
 112                     if (entry.getKey().equals(key)) {
 113                         return Optional.of(entry);
 114                     }
 115                 }
 116             }
 117         }
 118         return Optional.absent();
 119     }
 120
 121     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 122         Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 123         if (ovsdbBridgeOptional.isPresent()
 124                 && ovsdbBridgeOptional.get().getProtocolEntry() != null
 125                 && iid != null) {
 126             ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class, ProtocolEntryKey.class);
 127             if (key != null) {
 128                 for (ProtocolEntry entry: ovsdbBridgeOptional.get().getProtocolEntry()) {
 129                     if (entry.getKey().equals(key)) {
 130                         return Optional.of(entry);
 131                     }
 132                 }
 133             }
 134         }
 135         return Optional.absent();
 136     }
 137
 138 }