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.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 import com.google.common.base.Optional;
  34
  35 public class PhysicalPortRemoveCommand extends AbstractTransactCommand {
  36     private static final Logger LOG = LoggerFactory.getLogger(PhysicalPortRemoveCommand.class);
  37
  38     public PhysicalPortRemoveCommand(HwvtepOperationalState state,
  39             Collection<DataTreeModification<Node>> changes) {
  40         super(state, changes);
  41     }
  42
  43     @Override
  44     public void execute(TransactionBuilder transaction) {
  45         //TODO reuse from base class instead of extractRemovedPorts
  46         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removeds =
  47                 extractRemovedPorts(getChanges(), HwvtepPhysicalPortAugmentation.class);
  48         if (!removeds.isEmpty()) {
  49             for (Entry<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removed:
  50                 removeds.entrySet()) {
  51                 updatePhysicalPort(transaction, removed.getKey(), removed.getValue());
  52             }
  53         }
  54     }
  55
  56     private void updatePhysicalPort(final TransactionBuilder transaction,
  57                                     final InstanceIdentifier<Node> psNodeiid,
  58                                     final List<HwvtepPhysicalPortAugmentation> listPort) {
  59         for (HwvtepPhysicalPortAugmentation port : listPort) {
  60             LOG.debug("Updating a physical port named: {}", port.getHwvtepNodeName().getValue());
  61             Optional<HwvtepPhysicalPortAugmentation> operationalPhysicalPortOptional =
  62                     getOperationalState().getPhysicalPortAugmentation(psNodeiid, port.getHwvtepNodeName());
  63             if (operationalPhysicalPortOptional.isPresent()) {
  64                 PhysicalPort physicalPort = TyperUtils.getTypedRowWrapper(
  65                         transaction.getDatabaseSchema(),PhysicalPort.class);
  66                 physicalPort.setVlanBindings(new HashMap<>());
  67                 HwvtepPhysicalPortAugmentation updatedPhysicalPort = operationalPhysicalPortOptional.get();
  68                 String existingPhysicalPortName = updatedPhysicalPort.getHwvtepNodeName().getValue();
  69                 PhysicalPort extraPhyscialPort =
  70                         TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), PhysicalPort.class);
  71                 extraPhyscialPort.setName("");
  72                 LOG.trace("execute: updating physical port: {}", physicalPort);
  73                 transaction.add(op.update(physicalPort)
  74                         .where(extraPhyscialPort.getNameColumn().getSchema().opEqual(existingPhysicalPortName))
  75                         .build());
  76                 updateControllerTxHistory(TransactionType.UPDATE, physicalPort);
  77             } else {
  78                 LOG.warn("Unable to update physical port {} because it was not found in the operational store, "
  79                         + "and thus we cannot retrieve its UUID", port.getHwvtepNodeName().getValue());
  80             }
  81         }
  82     }
  83
  84     protected Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> extractRemovedPorts(
  85             Collection<DataTreeModification<Node>> changes, Class<HwvtepPhysicalPortAugmentation> class1) {
  86         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> result = new HashMap<>();
  87         if (changes != null && !changes.isEmpty()) {
  88             for (DataTreeModification<Node> change : changes) {
  89                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  90                 final DataObjectModification<Node> mod = change.getRootNode();
  91                 //If the node which physical ports belong to is removed, all physical ports
  92                 //should be removed too.
  93                 Node removed = TransactUtils.getRemoved(mod);
  94                 if (removed != null) {
  95                     List<HwvtepPhysicalPortAugmentation> lswitchListRemoved = new ArrayList<>();
  96                     if (removed.getTerminationPoint() != null) {
  97                         for (TerminationPoint tp : removed.getTerminationPoint()) {
  98                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
  99                             if (hppAugmentation != null) {
 100                                 lswitchListRemoved.add(hppAugmentation);
 101                             }
 102                         }
 103                     }
 104                     if (!lswitchListRemoved.isEmpty()) {
 105                         result.put(key, lswitchListRemoved);
 106                     }
 107                 }
 108                 //If the node which physical ports belong to is updated, and physical ports may
 109                 //be created or updated or deleted, we need to get deleted ones.
 110                 Node updated = TransactUtils.getUpdated(mod);
 111                 Node before = mod.getDataBefore();
 112                 if (updated != null && before != null) {
 113                     List<HwvtepPhysicalPortAugmentation> portListUpdated = new ArrayList<>();
 114                     List<HwvtepPhysicalPortAugmentation> portListBefore = new ArrayList<>();
 115                     List<HwvtepPhysicalPortAugmentation> portListRemoved = new ArrayList<>();
 116                     if (updated.getTerminationPoint() != null) {
 117                         for (TerminationPoint tp : updated.getTerminationPoint()) {
 118                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(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 = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 127                             if (hppAugmentation != null) {
 128                                 portListBefore.add(hppAugmentation);
 129                             }
 130                         }
 131                     }
 132                     portListBefore.removeAll(portListUpdated);
 133                     //then exclude updated physical ports
 134                     for (HwvtepPhysicalPortAugmentation portBefore: portListBefore) {
 135                         int i = 0;
 136                         for(; i < portListUpdated.size(); i++) {
 137                             if (portBefore.getHwvtepNodeName().equals(portListUpdated.get(i).getHwvtepNodeName())) {
 138                                 break;
 139                             }
 140                         }
 141                         if (i == portListUpdated.size()) {
 142                             portListRemoved.add(portBefore);
 143                         }
 144                     }
 145                     if (!portListRemoved.isEmpty()) {
 146                         result.put(key, portListRemoved);
 147                     }
 148                 }
 149             }
 150         }
 151         return result;
 152     }
 153 }