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

   1 /*
   2  * Copyright (c) 2015 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.notation.Mutator;
  23 import org.opendaylight.ovsdb.lib.notation.UUID;
  24 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  25 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  26 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalPort;
  27 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalSwitch;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 import com.google.common.base.Optional;
  36 import com.google.common.collect.Sets;
  37
  38 public class PhysicalPortRemoveCommand extends AbstractTransactCommand {
  39     private static final Logger LOG = LoggerFactory.getLogger(PhysicalPortRemoveCommand.class);
  40
  41     public PhysicalPortRemoveCommand(HwvtepOperationalState state,
  42             Collection<DataTreeModification<Node>> changes) {
  43         super(state, changes);
  44     }
  45
  46     @Override
  47     public void execute(TransactionBuilder transaction) {
  48         //TODO reuse from base class instead of extractRemovedPorts
  49         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removeds =
  50                 extractRemovedPorts(getChanges(), HwvtepPhysicalPortAugmentation.class);
  51         if (!removeds.isEmpty()) {
  52             for (Entry<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removed:
  53                 removeds.entrySet()) {
  54                 removePhysicalPort(transaction,  removed.getKey(), removed.getValue());
  55             }
  56         }
  57     }
  58
  59     private void removePhysicalPort(TransactionBuilder transaction,
  60             InstanceIdentifier<Node> psNodeiid,
  61             List<HwvtepPhysicalPortAugmentation> listPort) {
  62         for (HwvtepPhysicalPortAugmentation port : listPort) {
  63             LOG.debug("Removing a physical port named: {}", port.getHwvtepNodeName().getValue());
  64             Optional<HwvtepPhysicalPortAugmentation> operationalPhysicalPortOptional =
  65                     getOperationalState().getPhysicalPortAugmentation(psNodeiid, port.getHwvtepNodeName());
  66             PhysicalPort physicalPort = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), PhysicalPort.class, null);
  67             //get managing global node of physicalSwitchBelong
  68             //InstanceIdentifier<?> globalNodeIid = physicalSwitchBelong.getManagedBy().getValue();
  69             if (operationalPhysicalPortOptional.isPresent()) {
  70                 UUID physicalPortUuid = new UUID(operationalPhysicalPortOptional.get().getPhysicalPortUuid().getValue());
  71                 PhysicalSwitch physicalSwitch = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
  72                         PhysicalSwitch.class, null);
  73                 transaction.add(op.delete(physicalPort.getSchema())
  74                         .where(physicalPort.getUuidColumn().getSchema().opEqual(physicalPortUuid)).build());
  75                 transaction.add(op.comment("Physical Port: Deleting " + port.getHwvtepNodeName().getValue()));
  76                 transaction.add(op.mutate(physicalSwitch.getSchema())
  77                         .addMutation(physicalSwitch.getPortsColumn().getSchema(), Mutator.DELETE,
  78                                 Sets.newHashSet(physicalPortUuid)));
  79                 transaction.add(op.comment("Physical Switch: Mutating " + port.getHwvtepNodeName().getValue() + " " + physicalPortUuid));
  80             } else {
  81                 LOG.warn("Unable to delete logical switch {} because it was not found in the operational store, "
  82                         + "and thus we cannot retrieve its UUID", port.getHwvtepNodeName().getValue());
  83             }
  84         }
  85     }
  86
  87     protected Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> extractRemovedPorts(
  88             Collection<DataTreeModification<Node>> changes, Class<HwvtepPhysicalPortAugmentation> class1) {
  89         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> result
  90             = new HashMap<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>>();
  91         if (changes != null && !changes.isEmpty()) {
  92             for (DataTreeModification<Node> change : changes) {
  93                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  94                 final DataObjectModification<Node> mod = change.getRootNode();
  95                 //If the node which physical ports belong to is removed, all physical ports
  96                 //should be removed too.
  97                 Node removed = TransactUtils.getRemoved(mod);
  98                 if (removed != null) {
  99                     List<HwvtepPhysicalPortAugmentation> lswitchListRemoved = new ArrayList<HwvtepPhysicalPortAugmentation>();
 100                     if (removed.getTerminationPoint() != null) {
 101                         for (TerminationPoint tp : removed.getTerminationPoint()) {
 102                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 103                             if (hppAugmentation != null) {
 104                                 lswitchListRemoved.add(hppAugmentation);
 105                             }
 106                         }
 107                     }
 108                     if (!lswitchListRemoved.isEmpty()) {
 109                         result.put(key, lswitchListRemoved);
 110                     }
 111                 }
 112                 //If the node which physical ports belong to is updated, and physical ports may
 113                 //be created or updated or deleted, we need to get deleted ones.
 114                 Node updated = TransactUtils.getUpdated(mod);
 115                 Node before = mod.getDataBefore();
 116                 if (updated != null && before != null) {
 117                     List<HwvtepPhysicalPortAugmentation> portListUpdated = new ArrayList<HwvtepPhysicalPortAugmentation>();
 118                     List<HwvtepPhysicalPortAugmentation> portListBefore = new ArrayList<HwvtepPhysicalPortAugmentation>();
 119                     List<HwvtepPhysicalPortAugmentation> portListRemoved = new ArrayList<HwvtepPhysicalPortAugmentation>();
 120                     if (updated.getTerminationPoint() != null) {
 121                         for (TerminationPoint tp : updated.getTerminationPoint()) {
 122                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 123                             if (hppAugmentation != null) {
 124                                 portListUpdated.add(hppAugmentation);
 125                             }
 126                         }
 127                     }
 128                     if (before.getTerminationPoint() != null) {
 129                         for (TerminationPoint tp : before.getTerminationPoint()) {
 130                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 131                             if (hppAugmentation != null) {
 132                                 portListBefore.add(hppAugmentation);
 133                             }
 134                         }
 135                     }
 136                     portListBefore.removeAll(portListUpdated);
 137                     //then exclude updated physical ports
 138                     for (HwvtepPhysicalPortAugmentation portBefore: portListBefore) {
 139                         int i = 0;
 140                         for(; i < portListUpdated.size(); i++) {
 141                             if (portBefore.getHwvtepNodeName().equals(portListUpdated.get(i).getHwvtepNodeName())) {
 142                                 break;
 143                             }
 144                         }
 145                         if (i == portListUpdated.size()) {
 146                             portListRemoved.add(portBefore);
 147                         }
 148                     }
 149                     if (!portListRemoved.isEmpty()) {
 150                         result.put(key, portListRemoved);
 151                     }
 152                 }
 153             }
 154         }
 155         return result;
 156     }
 157 }