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 java.util.ArrayList;
  14 import java.util.Collection;
  15 import java.util.HashMap;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Map.Entry;
  19
  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.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 import com.google.common.base.Optional;
  33
  34 public class PhysicalPortRemoveCommand extends AbstractTransactCommand {
  35     private static final Logger LOG = LoggerFactory.getLogger(PhysicalPortRemoveCommand.class);
  36
  37     public PhysicalPortRemoveCommand(HwvtepOperationalState state,
  38             Collection<DataTreeModification<Node>> changes) {
  39         super(state, changes);
  40     }
  41
  42     @Override
  43     public void execute(TransactionBuilder transaction) {
  44         //TODO reuse from base class instead of extractRemovedPorts
  45         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removeds =
  46                 extractRemovedPorts(getChanges(), HwvtepPhysicalPortAugmentation.class);
  47         if (!removeds.isEmpty()) {
  48             for (Entry<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removed:
  49                 removeds.entrySet()) {
  50                 updatePhysicalPort(transaction, removed.getKey(), removed.getValue());
  51             }
  52         }
  53     }
  54
  55     private void updatePhysicalPort(final TransactionBuilder transaction,
  56                                     final InstanceIdentifier<Node> psNodeiid,
  57                                     final List<HwvtepPhysicalPortAugmentation> listPort) {
  58         for (HwvtepPhysicalPortAugmentation port : listPort) {
  59             LOG.debug("Updating a physical port named: {}", port.getHwvtepNodeName().getValue());
  60             Optional<HwvtepPhysicalPortAugmentation> operationalPhysicalPortOptional =
  61                     getOperationalState().getPhysicalPortAugmentation(psNodeiid, port.getHwvtepNodeName());
  62             if (operationalPhysicalPortOptional.isPresent()) {
  63                 PhysicalPort physicalPort = TyperUtils.getTypedRowWrapper(
  64                         transaction.getDatabaseSchema(),PhysicalPort.class);
  65                 physicalPort.setVlanBindings(new HashMap<>());
  66                 HwvtepPhysicalPortAugmentation updatedPhysicalPort = operationalPhysicalPortOptional.get();
  67                 String existingPhysicalPortName = updatedPhysicalPort.getHwvtepNodeName().getValue();
  68                 PhysicalPort extraPhyscialPort =
  69                         TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), PhysicalPort.class);
  70                 extraPhyscialPort.setName("");
  71                 LOG.trace("execute: updating physical port: {}", physicalPort);
  72                 transaction.add(op.update(physicalPort)
  73                         .where(extraPhyscialPort.getNameColumn().getSchema().opEqual(existingPhysicalPortName))
  74                         .build());
  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 = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
  97                             if (hppAugmentation != null) {
  98                                 lswitchListRemoved.add(hppAugmentation);
  99                             }
 100                         }
 101                     }
 102                     if (!lswitchListRemoved.isEmpty()) {
 103                         result.put(key, lswitchListRemoved);
 104                     }
 105                 }
 106                 //If the node which physical ports belong to is updated, and physical ports may
 107                 //be created or updated or deleted, we need to get deleted ones.
 108                 Node updated = TransactUtils.getUpdated(mod);
 109                 Node before = mod.getDataBefore();
 110                 if (updated != null && before != null) {
 111                     List<HwvtepPhysicalPortAugmentation> portListUpdated = new ArrayList<>();
 112                     List<HwvtepPhysicalPortAugmentation> portListBefore = new ArrayList<>();
 113                     List<HwvtepPhysicalPortAugmentation> portListRemoved = new ArrayList<>();
 114                     if (updated.getTerminationPoint() != null) {
 115                         for (TerminationPoint tp : updated.getTerminationPoint()) {
 116                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 117                             if (hppAugmentation != null) {
 118                                 portListUpdated.add(hppAugmentation);
 119                             }
 120                         }
 121                     }
 122                     if (before.getTerminationPoint() != null) {
 123                         for (TerminationPoint tp : before.getTerminationPoint()) {
 124                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 125                             if (hppAugmentation != null) {
 126                                 portListBefore.add(hppAugmentation);
 127                             }
 128                         }
 129                     }
 130                     portListBefore.removeAll(portListUpdated);
 131                     //then exclude updated physical ports
 132                     for (HwvtepPhysicalPortAugmentation portBefore: portListBefore) {
 133                         int i = 0;
 134                         for(; i < portListUpdated.size(); i++) {
 135                             if (portBefore.getHwvtepNodeName().equals(portListUpdated.get(i).getHwvtepNodeName())) {
 136                                 break;
 137                             }
 138                         }
 139                         if (i == portListUpdated.size()) {
 140                             portListRemoved.add(portBefore);
 141                         }
 142                     }
 143                     if (!portListRemoved.isEmpty()) {
 144                         result.put(key, portListRemoved);
 145                     }
 146                 }
 147             }
 148         }
 149         return result;
 150     }
 151 }