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

   1 /*
   2  * Copyright © 2015, 2017 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 package org.opendaylight.ovsdb.hwvtepsouthbound.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.ArrayList;
  13 import java.util.Collection;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Map.Entry;
  18 import java.util.Optional;
  19 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  20 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  21 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  22 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalPort;
  23 import org.opendaylight.ovsdb.utils.mdsal.utils.TransactionType;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class PhysicalPortRemoveCommand extends AbstractTransactCommand {
  32     private static final Logger LOG = LoggerFactory.getLogger(PhysicalPortRemoveCommand.class);
  33
  34     public PhysicalPortRemoveCommand(final HwvtepOperationalState state,
  35             final Collection<DataTreeModification<Node>> changes) {
  36         super(state, changes);
  37     }
  38
  39     @Override
  40     public void execute(final TransactionBuilder transaction) {
  41         //TODO reuse from base class instead of extractRemovedPorts
  42         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removeds =
  43                 extractRemovedPorts(getChanges(), HwvtepPhysicalPortAugmentation.class);
  44         if (!removeds.isEmpty()) {
  45             for (Entry<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removed:
  46                 removeds.entrySet()) {
  47                 updatePhysicalPort(transaction, removed.getKey(), removed.getValue());
  48             }
  49         }
  50     }
  51
  52     private void updatePhysicalPort(final TransactionBuilder transaction,
  53                                     final InstanceIdentifier<Node> psNodeiid,
  54                                     final List<HwvtepPhysicalPortAugmentation> listPort) {
  55         for (HwvtepPhysicalPortAugmentation port : listPort) {
  56             LOG.debug("Updating a physical port named: {}", port.getHwvtepNodeName().getValue());
  57             Optional<HwvtepPhysicalPortAugmentation> operationalPhysicalPortOptional =
  58                     getOperationalState().getPhysicalPortAugmentation(psNodeiid, port.getHwvtepNodeName());
  59             if (operationalPhysicalPortOptional.isPresent()) {
  60                 PhysicalPort physicalPort = transaction.getTypedRowWrapper(PhysicalPort.class);
  61                 physicalPort.setVlanBindings(new HashMap<>());
  62                 HwvtepPhysicalPortAugmentation updatedPhysicalPort = operationalPhysicalPortOptional.get();
  63                 String existingPhysicalPortName = updatedPhysicalPort.getHwvtepNodeName().getValue();
  64                 PhysicalPort extraPhyscialPort = transaction.getTypedRowWrapper(PhysicalPort.class);
  65                 extraPhyscialPort.setName("");
  66                 LOG.trace("execute: updating physical port: {}", physicalPort);
  67                 transaction.add(op.update(physicalPort)
  68                         .where(extraPhyscialPort.getNameColumn().getSchema().opEqual(existingPhysicalPortName))
  69                         .build());
  70                 updateControllerTxHistory(TransactionType.UPDATE, physicalPort);
  71             } else {
  72                 LOG.warn("Unable to update physical port {} because it was not found in the operational store, "
  73                         + "and thus we cannot retrieve its UUID", port.getHwvtepNodeName().getValue());
  74             }
  75         }
  76     }
  77
  78     protected Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> extractRemovedPorts(
  79             final Collection<DataTreeModification<Node>> changes, final Class<HwvtepPhysicalPortAugmentation> class1) {
  80         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> result = new HashMap<>();
  81         if (changes != null && !changes.isEmpty()) {
  82             for (DataTreeModification<Node> change : changes) {
  83                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  84                 final DataObjectModification<Node> mod = change.getRootNode();
  85                 //If the node which physical ports belong to is removed, all physical ports
  86                 //should be removed too.
  87                 Node removed = TransactUtils.getRemoved(mod);
  88                 if (removed != null) {
  89                     List<HwvtepPhysicalPortAugmentation> lswitchListRemoved = new ArrayList<>();
  90                     for (TerminationPoint tp : removed.nonnullTerminationPoint().values()) {
  91                         HwvtepPhysicalPortAugmentation hppAugmentation =
  92                                 tp.augmentation(HwvtepPhysicalPortAugmentation.class);
  93                         if (hppAugmentation != null) {
  94                             lswitchListRemoved.add(hppAugmentation);
  95                         }
  96                     }
  97                     if (!lswitchListRemoved.isEmpty()) {
  98                         result.put(key, lswitchListRemoved);
  99                     }
 100                 }
 101                 //If the node which physical ports belong to is updated, and physical ports may
 102                 //be created or updated or deleted, we need to get deleted ones.
 103                 Node updated = TransactUtils.getUpdated(mod);
 104                 Node before = mod.getDataBefore();
 105                 if (updated != null && before != null) {
 106                     List<HwvtepPhysicalPortAugmentation> portListUpdated = new ArrayList<>();
 107                     List<HwvtepPhysicalPortAugmentation> portListBefore = new ArrayList<>();
 108                     List<HwvtepPhysicalPortAugmentation> portListRemoved = new ArrayList<>();
 109                     for (TerminationPoint tp : updated.nonnullTerminationPoint().values()) {
 110                         HwvtepPhysicalPortAugmentation hppAugmentation =
 111                                 tp.augmentation(HwvtepPhysicalPortAugmentation.class);
 112                         if (hppAugmentation != null) {
 113                             portListUpdated.add(hppAugmentation);
 114                         }
 115                     }
 116                     for (TerminationPoint tp : before.nonnullTerminationPoint().values()) {
 117                         HwvtepPhysicalPortAugmentation hppAugmentation =
 118                                 tp.augmentation(HwvtepPhysicalPortAugmentation.class);
 119                         if (hppAugmentation != null) {
 120                             portListBefore.add(hppAugmentation);
 121                         }
 122                     }
 123                     portListBefore.removeAll(portListUpdated);
 124                     //then exclude updated physical ports
 125                     for (HwvtepPhysicalPortAugmentation portBefore: portListBefore) {
 126                         int index = 0;
 127                         for (; index < portListUpdated.size(); index++) {
 128                             if (portBefore.getHwvtepNodeName().equals(portListUpdated.get(index).getHwvtepNodeName())) {
 129                                 break;
 130                             }
 131                         }
 132                         if (index == portListUpdated.size()) {
 133                             portListRemoved.add(portBefore);
 134                         }
 135                     }
 136                     if (!portListRemoved.isEmpty()) {
 137                         result.put(key, portListRemoved);
 138                     }
 139                 }
 140             }
 141         }
 142         return result;
 143     }
 144 }