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