southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/transactions/md/OvsdbPortRemoveCommand.java

   1 /*
   2  * Copyright (c) 2015 Intel Corp. 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 package org.opendaylight.ovsdb.southbound.transactions.md;
   9
  10 import java.util.Map;
  11 import java.util.Map.Entry;
  12 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  15 import org.opendaylight.ovsdb.lib.notation.UUID;
  16 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  17 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  18 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  19 import org.opendaylight.ovsdb.schema.openvswitch.Port;
  20 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  21 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  22 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class OvsdbPortRemoveCommand extends AbstractTransactionCommand {
  31     private static final Logger LOG = LoggerFactory.getLogger(OvsdbPortRemoveCommand.class);
  32
  33     private final InstanceIdentifierCodec instanceIdentifierCodec;
  34
  35     public OvsdbPortRemoveCommand(final InstanceIdentifierCodec instanceIdentifierCodec,
  36             final OvsdbConnectionInstance key, final TableUpdates updates, final DatabaseSchema dbSchema) {
  37         super(key, updates, dbSchema);
  38         this.instanceIdentifierCodec = instanceIdentifierCodec;
  39     }
  40
  41     @Override
  42     public void execute(final ReadWriteTransaction transaction) {
  43         Map<UUID, Port> portRemovedRows = TyperUtils.extractRowsRemoved(
  44             Port.class, getUpdates(), getDbSchema());
  45         Map<UUID, Port> portUpdatedRows = TyperUtils.extractRowsUpdated(
  46                 Port.class, getUpdates(), getDbSchema());
  47         Map<UUID,Bridge> bridgeUpdatedRows = TyperUtils.extractRowsUpdated(
  48                 Bridge.class, getUpdates(), getDbSchema());
  49         Map<UUID,Bridge> bridgeUpdatedOldRows = TyperUtils.extractRowsOld(
  50                 Bridge.class, getUpdates(), getDbSchema());
  51         for (Entry<UUID, Port> portRemoved: portRemovedRows.entrySet()) {
  52             final UUID portUuid = portRemoved.getKey();
  53             final Port port = portRemoved.getValue();
  54             final String portName = port.getName();
  55             boolean isPortInUpdatedRows = portUpdatedRows.values()
  56                 .stream().anyMatch(updatedPort -> portName.equals(updatedPort.getName()));
  57             if (isPortInUpdatedRows) {
  58                 LOG.debug("port {} present in updated rows, skipping delete", portName);
  59                 continue;
  60             }
  61             Bridge bridgeData = null;
  62             for (Entry<UUID, Bridge> entry : bridgeUpdatedOldRows.entrySet()) {
  63                 UUID bridgeUuid = entry.getKey();
  64                 Bridge oldBridgeData = entry.getValue();
  65                 if (oldBridgeData.getPortsColumn() != null
  66                         && oldBridgeData.getPortsColumn().getData().contains(port.getUuidColumn().getData())) {
  67                     // We have a match, try updated bridge rows first...
  68                     bridgeData = bridgeUpdatedRows.get(bridgeUuid);
  69                     if (bridgeData == null) {
  70                         // ... and fall back to old data
  71                         bridgeData = oldBridgeData;
  72                     }
  73                     break;
  74                 }
  75             }
  76             if (bridgeData == null) {
  77                 LOG.warn("Bridge not found for port {}", port);
  78                 continue;
  79             }
  80             final InstanceIdentifier<TerminationPoint> nodePath = SouthboundMapper.createInstanceIdentifier(
  81                 instanceIdentifierCodec, getOvsdbConnectionInstance(), bridgeData)
  82                     .child(TerminationPoint.class, new TerminationPointKey(new TpId(portName)));
  83             transaction.delete(LogicalDatastoreType.OPERATIONAL, nodePath);
  84             // Remove from OvsdbConnection Instance cache
  85             getOvsdbConnectionInstance().removePort(portUuid);
  86             getOvsdbConnectionInstance().removePortInterface(portName);
  87         }
  88     }
  89 }