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
   9 package org.opendaylight.ovsdb.hwvtepsouthbound.transact;
  10
  11 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  12
  13 import com.google.common.base.Optional;
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.HashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Map.Entry;
  20 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  21 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  22 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  23 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  24 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalPort;
  25 import org.opendaylight.ovsdb.utils.mdsal.utils.TransactionType;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class PhysicalPortRemoveCommand extends AbstractTransactCommand {
  34     private static final Logger LOG = LoggerFactory.getLogger(PhysicalPortRemoveCommand.class);
  35
  36     public PhysicalPortRemoveCommand(HwvtepOperationalState state,
  37             Collection<DataTreeModification<Node>> changes) {
  38         super(state, changes);
  39     }
  40
  41     @Override
  42     public void execute(TransactionBuilder transaction) {
  43         //TODO reuse from base class instead of extractRemovedPorts
  44         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removeds =
  45                 extractRemovedPorts(getChanges(), HwvtepPhysicalPortAugmentation.class);
  46         if (!removeds.isEmpty()) {
  47             for (Entry<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removed:
  48                 removeds.entrySet()) {
  49                 updatePhysicalPort(transaction, removed.getKey(), removed.getValue());
  50             }
  51         }
  52     }
  53
  54     private void updatePhysicalPort(final TransactionBuilder transaction,
  55                                     final InstanceIdentifier<Node> psNodeiid,
  56                                     final List<HwvtepPhysicalPortAugmentation> listPort) {
  57         for (HwvtepPhysicalPortAugmentation port : listPort) {
  58             LOG.debug("Updating a physical port named: {}", port.getHwvtepNodeName().getValue());
  59             Optional<HwvtepPhysicalPortAugmentation> operationalPhysicalPortOptional =
  60                     getOperationalState().getPhysicalPortAugmentation(psNodeiid, port.getHwvtepNodeName());
  61             if (operationalPhysicalPortOptional.isPresent()) {
  62                 PhysicalPort physicalPort = TyperUtils.getTypedRowWrapper(
  63                         transaction.getDatabaseSchema(),PhysicalPort.class);
  64                 physicalPort.setVlanBindings(new HashMap<>());
  65                 HwvtepPhysicalPortAugmentation updatedPhysicalPort = operationalPhysicalPortOptional.get();
  66                 String existingPhysicalPortName = updatedPhysicalPort.getHwvtepNodeName().getValue();
  67                 PhysicalPort extraPhyscialPort =
  68                         TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), PhysicalPort.class);
  69                 extraPhyscialPort.setName("");
  70                 LOG.trace("execute: updating physical port: {}", physicalPort);
  71                 transaction.add(op.update(physicalPort)
  72                         .where(extraPhyscialPort.getNameColumn().getSchema().opEqual(existingPhysicalPortName))
  73                         .build());
  74                 updateControllerTxHistory(TransactionType.UPDATE, physicalPort);
  75             } else {
  76                 LOG.warn("Unable to update physical port {} because it was not found in the operational store, "
  77                         + "and thus we cannot retrieve its UUID", port.getHwvtepNodeName().getValue());
  78             }
  79         }
  80     }
  81
  82     protected Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> extractRemovedPorts(
  83             Collection<DataTreeModification<Node>> changes, Class<HwvtepPhysicalPortAugmentation> class1) {
  84         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> result = new HashMap<>();
  85         if (changes != null && !changes.isEmpty()) {
  86             for (DataTreeModification<Node> change : changes) {
  87                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  88                 final DataObjectModification<Node> mod = change.getRootNode();
  89                 //If the node which physical ports belong to is removed, all physical ports
  90                 //should be removed too.
  91                 Node removed = TransactUtils.getRemoved(mod);
  92                 if (removed != null) {
  93                     List<HwvtepPhysicalPortAugmentation> lswitchListRemoved = new ArrayList<>();
  94                     if (removed.getTerminationPoint() != null) {
  95                         for (TerminationPoint tp : removed.getTerminationPoint()) {
  96                             HwvtepPhysicalPortAugmentation hppAugmentation =
  97                                     tp.augmentation(HwvtepPhysicalPortAugmentation.class);
  98                             if (hppAugmentation != null) {
  99                                 lswitchListRemoved.add(hppAugmentation);
 100                             }
 101                         }
 102                     }
 103                     if (!lswitchListRemoved.isEmpty()) {
 104                         result.put(key, lswitchListRemoved);
 105                     }
 106                 }
 107                 //If the node which physical ports belong to is updated, and physical ports may
 108                 //be created or updated or deleted, we need to get deleted ones.
 109                 Node updated = TransactUtils.getUpdated(mod);
 110                 Node before = mod.getDataBefore();
 111                 if (updated != null && before != null) {
 112                     List<HwvtepPhysicalPortAugmentation> portListUpdated = new ArrayList<>();
 113                     List<HwvtepPhysicalPortAugmentation> portListBefore = new ArrayList<>();
 114                     List<HwvtepPhysicalPortAugmentation> portListRemoved = new ArrayList<>();
 115                     if (updated.getTerminationPoint() != null) {
 116                         for (TerminationPoint tp : updated.getTerminationPoint()) {
 117                             HwvtepPhysicalPortAugmentation hppAugmentation =
 118                                     tp.augmentation(HwvtepPhysicalPortAugmentation.class);
 119                             if (hppAugmentation != null) {
 120                                 portListUpdated.add(hppAugmentation);
 121                             }
 122                         }
 123                     }
 124                     if (before.getTerminationPoint() != null) {
 125                         for (TerminationPoint tp : before.getTerminationPoint()) {
 126                             HwvtepPhysicalPortAugmentation hppAugmentation =
 127                                     tp.augmentation(HwvtepPhysicalPortAugmentation.class);
 128                             if (hppAugmentation != null) {
 129                                 portListBefore.add(hppAugmentation);
 130                             }
 131                         }
 132                     }
 133                     portListBefore.removeAll(portListUpdated);
 134                     //then exclude updated physical ports
 135                     for (HwvtepPhysicalPortAugmentation portBefore: portListBefore) {
 136                         int index = 0;
 137                         for (; index < portListUpdated.size(); index++) {
 138                             if (portBefore.getHwvtepNodeName().equals(portListUpdated.get(index).getHwvtepNodeName())) {
 139                                 break;
 140                             }
 141                         }
 142                         if (index == portListUpdated.size()) {
 143                             portListRemoved.add(portBefore);
 144                         }
 145                     }
 146                     if (!portListRemoved.isEmpty()) {
 147                         result.put(key, portListRemoved);
 148                     }
 149                 }
 150             }
 151         }
 152         return result;
 153     }
 154 }