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

   1 /*
   2  * Copyright (c) 2015, 2016 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.Collection;
  14 import java.util.HashMap;
  15 import java.util.HashSet;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Map.Entry;
  19 import java.util.Set;
  20
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  23 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  24 import org.opendaylight.ovsdb.lib.notation.UUID;
  25 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  26 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  27 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalSwitch;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  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
  37 public class LogicalSwitchUpdateCommand extends AbstractTransactCommand {
  38     private static final Logger LOG = LoggerFactory.getLogger(LogicalSwitchUpdateCommand.class);
  39
  40     public LogicalSwitchUpdateCommand(HwvtepOperationalState state,
  41             Collection<DataTreeModification<Node>> changes) {
  42         super(state, changes);
  43     }
  44
  45     @Override
  46     public void execute(TransactionBuilder transaction) {
  47         Map<InstanceIdentifier<Node>, List<LogicalSwitches>> createds =
  48                 extractCreated(getChanges(),LogicalSwitches.class);
  49         if (!createds.isEmpty()) {
  50             for (Entry<InstanceIdentifier<Node>, List<LogicalSwitches>> created:
  51                 createds.entrySet()) {
  52                 updateLogicalSwitch(transaction,  created.getKey(), created.getValue());
  53             }
  54         }
  55         Map<InstanceIdentifier<Node>, List<LogicalSwitches>> updateds =
  56                 extractUpdated(getChanges(),LogicalSwitches.class);
  57         if (!updateds.isEmpty()) {
  58             for (Entry<InstanceIdentifier<Node>, List<LogicalSwitches>> updated:
  59                 updateds.entrySet()) {
  60                 updateLogicalSwitch(transaction,  updated.getKey(), updated.getValue());
  61             }
  62         }
  63     }
  64
  65     private void updateLogicalSwitch(TransactionBuilder transaction,
  66             InstanceIdentifier<Node> instanceIdentifier, List<LogicalSwitches> lswitchList) {
  67         for (LogicalSwitches lswitch: lswitchList) {
  68             InstanceIdentifier<LogicalSwitches> lsKey = instanceIdentifier.
  69                     augmentation(HwvtepGlobalAugmentation.class).child(LogicalSwitches.class, lswitch.getKey());
  70             LOG.debug("Creating logcial switch named: {}", lswitch.getHwvtepNodeName());
  71             Optional<LogicalSwitches> operationalSwitchOptional =
  72                     getOperationalState().getLogicalSwitches(instanceIdentifier, lswitch.getKey());
  73             LogicalSwitch logicalSwitch = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), LogicalSwitch.class);
  74             setDescription(logicalSwitch, lswitch);
  75             setTunnelKey(logicalSwitch, lswitch);
  76             if (!operationalSwitchOptional.isPresent()) {
  77                 setName(logicalSwitch, lswitch, operationalSwitchOptional);
  78                 LOG.trace("execute: creating LogicalSwitch entry: {}", logicalSwitch);
  79                 transaction.add(op.insert(logicalSwitch).withId(TransactUtils.getLogicalSwitchId(lswitch)));
  80                 transaction.add(op.comment("Logical Switch: Creating " + lswitch.getHwvtepNodeName().getValue()));
  81             } else {
  82                 LogicalSwitches updatedLSwitch = operationalSwitchOptional.get();
  83                 String existingLogicalSwitchName = updatedLSwitch.getHwvtepNodeName().getValue();
  84                 // Name is immutable, and so we *can't* update it.  So we use extraBridge for the schema stuff
  85                 LogicalSwitch extraLogicalSwitch = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), LogicalSwitch.class);
  86                 extraLogicalSwitch.setName("");
  87                 LOG.trace("execute: updating LogicalSwitch entry: {}", logicalSwitch);
  88                 transaction.add(op.update(logicalSwitch)
  89                         .where(extraLogicalSwitch.getNameColumn().getSchema().opEqual(existingLogicalSwitchName))
  90                         .build());
  91                 transaction.add(op.comment("Logical Switch: Updating " + existingLogicalSwitchName));
  92             }
  93             UUID lsUuid = new UUID(TransactUtils.getLogicalSwitchId(lswitch));
  94             updateCurrentTxData(LogicalSwitches.class, lsKey, lsUuid, lswitch);
  95         }
  96     }
  97
  98     private void setDescription(LogicalSwitch logicalSwitch, LogicalSwitches inputSwitch) {
  99         if(inputSwitch.getHwvtepNodeDescription() != null) {
 100             logicalSwitch.setDescription(inputSwitch.getHwvtepNodeDescription());
 101         }
 102     }
 103
 104     private void setName(LogicalSwitch logicalSwitch, LogicalSwitches inputSwitch,
 105             Optional<LogicalSwitches> inputSwitchOptional) {
 106         if (inputSwitch.getHwvtepNodeName() != null) {
 107             logicalSwitch.setName(inputSwitch.getHwvtepNodeName().getValue());
 108         } else if (inputSwitchOptional.isPresent() && inputSwitchOptional.get().getHwvtepNodeName() != null) {
 109             logicalSwitch.setName(inputSwitchOptional.get().getHwvtepNodeName().getValue());
 110         }
 111     }
 112
 113     private void setTunnelKey(LogicalSwitch logicalSwitch, LogicalSwitches inputSwitch) {
 114         if (inputSwitch.getTunnelKey() != null) {
 115             Set<Long> tunnel = new HashSet<Long>();
 116             tunnel.add(Long.valueOf(inputSwitch.getTunnelKey()));
 117             logicalSwitch.setTunnelKey(tunnel);
 118         }
 119     }
 120
 121     private Map<InstanceIdentifier<Node>, List<LogicalSwitches>> extractCreated(
 122             Collection<DataTreeModification<Node>> changes, Class<LogicalSwitches> class1) {
 123         Map<InstanceIdentifier<Node>, List<LogicalSwitches>> result
 124             = new HashMap<InstanceIdentifier<Node>, List<LogicalSwitches>>();
 125         if (changes != null && !changes.isEmpty()) {
 126             for (DataTreeModification<Node> change : changes) {
 127                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
 128                 final DataObjectModification<Node> mod = change.getRootNode();
 129                 Node created = TransactUtils.getCreated(mod);
 130                 if (created != null) {
 131                     List<LogicalSwitches> lswitchListUpdated = null;
 132                     if (created.getAugmentation(HwvtepGlobalAugmentation.class) != null) {
 133                         lswitchListUpdated = created.getAugmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches();
 134                     }
 135                     if (lswitchListUpdated != null) {
 136                         result.put(key, lswitchListUpdated);
 137                     }
 138                 }
 139             }
 140         }
 141         return result;
 142     }
 143
 144     private Map<InstanceIdentifier<Node>, List<LogicalSwitches>> extractUpdated(
 145             Collection<DataTreeModification<Node>> changes, Class<LogicalSwitches> class1) {
 146         Map<InstanceIdentifier<Node>, List<LogicalSwitches>> result
 147             = new HashMap<InstanceIdentifier<Node>, List<LogicalSwitches>>();
 148         if (changes != null && !changes.isEmpty()) {
 149             for (DataTreeModification<Node> change : changes) {
 150                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
 151                 final DataObjectModification<Node> mod = change.getRootNode();
 152                 Node updated = TransactUtils.getUpdated(mod);
 153                 Node before = mod.getDataBefore();
 154                 if (updated != null && before != null) {
 155                     List<LogicalSwitches> lswitchListUpdated = null;
 156                     List<LogicalSwitches> lswitchListBefore = null;
 157                     if (updated.getAugmentation(HwvtepGlobalAugmentation.class) != null) {
 158                         lswitchListUpdated = updated.getAugmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches();
 159                     }
 160                     if (before.getAugmentation(HwvtepGlobalAugmentation.class) != null) {
 161                         lswitchListBefore = before.getAugmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches();
 162                     }
 163                     if (lswitchListUpdated != null) {
 164                         if (lswitchListBefore != null) {
 165                             lswitchListUpdated.removeAll(lswitchListBefore);
 166                         }
 167                         result.put(key, lswitchListUpdated);
 168                     }
 169                 }
 170             }
 171         }
 172         return result;
 173     }
 174 }