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         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removeds =
  49                 extractRemoved(getChanges(),HwvtepPhysicalPortAugmentation.class);
  50         if (!removeds.isEmpty()) {
  51             for (Entry<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> removed:
  52                 removeds.entrySet()) {
  53                 removePhysicalPort(transaction,  removed.getKey(), removed.getValue());
  54             }
  55         }
  56     }
  57
  58     private void removePhysicalPort(TransactionBuilder transaction,
  59             InstanceIdentifier<Node> psNodeiid,
  60             List<HwvtepPhysicalPortAugmentation> listPort) {
  61         for (HwvtepPhysicalPortAugmentation port : listPort) {
  62             LOG.debug("Removing a physical port named: {}", port.getHwvtepNodeName().getValue());
  63             Optional<HwvtepPhysicalPortAugmentation> operationalPhysicalPortOptional =
  64                     getOperationalState().getPhysicalPortAugmentation(psNodeiid, port.getHwvtepNodeName());
  65             PhysicalPort physicalPort = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), PhysicalPort.class, null);
  66             //get managing global node of physicalSwitchBelong
  67             //InstanceIdentifier<?> globalNodeIid = physicalSwitchBelong.getManagedBy().getValue();
  68             if (operationalPhysicalPortOptional.isPresent()) {
  69                 UUID physicalPortUuid = new UUID(operationalPhysicalPortOptional.get().getPhysicalPortUuid().getValue());
  70                 PhysicalSwitch physicalSwitch = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
  71                         PhysicalSwitch.class, null);
  72                 transaction.add(op.delete(physicalPort.getSchema())
  73                         .where(physicalPort.getUuidColumn().getSchema().opEqual(physicalPortUuid)).build());
  74                 transaction.add(op.comment("Physical Port: Deleting " + port.getHwvtepNodeName().getValue()));
  75                 transaction.add(op.mutate(physicalSwitch.getSchema())
  76                         .addMutation(physicalSwitch.getPortsColumn().getSchema(), Mutator.DELETE,
  77                                 Sets.newHashSet(physicalPortUuid)));
  78                 transaction.add(op.comment("Physical Switch: Mutating " + port.getHwvtepNodeName().getValue() + " " + physicalPortUuid));
  79             } else {
  80                 LOG.warn("Unable to delete logical switch {} because it was not found in the operational store, "
  81                         + "and thus we cannot retrieve its UUID", port.getHwvtepNodeName().getValue());
  82             }
  83         }
  84     }
  85
  86     private Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> extractRemoved(
  87             Collection<DataTreeModification<Node>> changes, Class<HwvtepPhysicalPortAugmentation> class1) {
  88         Map<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>> result
  89             = new HashMap<InstanceIdentifier<Node>, List<HwvtepPhysicalPortAugmentation>>();
  90         if (changes != null && !changes.isEmpty()) {
  91             for (DataTreeModification<Node> change : changes) {
  92                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  93                 final DataObjectModification<Node> mod = change.getRootNode();
  94                 //If the node which physical ports belong to is removed, all physical ports
  95                 //should be removed too.
  96                 Node removed = TransactUtils.getRemoved(mod);
  97                 if (removed != null) {
  98                     List<HwvtepPhysicalPortAugmentation> lswitchListRemoved = new ArrayList<HwvtepPhysicalPortAugmentation>();
  99                     if (removed.getTerminationPoint() != null) {
 100                         for (TerminationPoint tp : removed.getTerminationPoint()) {
 101                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 102                             if (hppAugmentation != null) {
 103                                 lswitchListRemoved.add(hppAugmentation);
 104                             }
 105                         }
 106                     }
 107                     if (!lswitchListRemoved.isEmpty()) {
 108                         result.put(key, lswitchListRemoved);
 109                     }
 110                 }
 111                 //If the node which physical ports belong to is updated, and physical ports may
 112                 //be created or updated or deleted, we need to get deleted ones.
 113                 Node updated = TransactUtils.getUpdated(mod);
 114                 Node before = mod.getDataBefore();
 115                 if (updated != null && before != null) {
 116                     List<HwvtepPhysicalPortAugmentation> portListUpdated = new ArrayList<HwvtepPhysicalPortAugmentation>();
 117                     List<HwvtepPhysicalPortAugmentation> portListBefore = new ArrayList<HwvtepPhysicalPortAugmentation>();
 118                     List<HwvtepPhysicalPortAugmentation> portListRemoved = new ArrayList<HwvtepPhysicalPortAugmentation>();
 119                     if (updated.getTerminationPoint() != null) {
 120                         for (TerminationPoint tp : updated.getTerminationPoint()) {
 121                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 122                             if (hppAugmentation != null) {
 123                                 portListUpdated.add(hppAugmentation);
 124                             }
 125                         }
 126                     }
 127                     if (before.getTerminationPoint() != null) {
 128                         for (TerminationPoint tp : before.getTerminationPoint()) {
 129                             HwvtepPhysicalPortAugmentation hppAugmentation = tp.getAugmentation(HwvtepPhysicalPortAugmentation.class);
 130                             if (hppAugmentation != null) {
 131                                 portListBefore.add(hppAugmentation);
 132                             }
 133                         }
 134                     }
 135                     portListBefore.removeAll(portListUpdated);
 136                     //then exclude updated physical ports
 137                     for (HwvtepPhysicalPortAugmentation portBefore: portListBefore) {
 138                         int i = 0;
 139                         for(; i < portListUpdated.size(); i++) {
 140                             if (portBefore.getHwvtepNodeName().equals(portListUpdated.get(i).getHwvtepNodeName())) {
 141                                 break;
 142                             }
 143                         }
 144                         if (i == portListUpdated.size()) {
 145                             portListRemoved.add(portBefore);
 146                         }
 147                     }
 148                     if (!portListRemoved.isEmpty()) {
 149                         result.put(key, portListRemoved);
 150                     }
 151                 }
 152             }
 153         }
 154         return result;
 155     }
 156 }