impl/src/main/java/org/opendaylight/unimgr/impl/UnimgrProvider.java

   1 /*
   2  * Copyright (c) 2015 CableLabs 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 package org.opendaylight.unimgr.impl;
   9
  10
  11 import java.util.List;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  17 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  18 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  19 import org.opendaylight.unimgr.api.IUnimgrConsoleProvider;
  20 import org.opendaylight.unimgr.command.TransactionInvoker;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.Evc;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.osgi.framework.BundleContext;
  32 import org.osgi.framework.FrameworkUtil;
  33 import org.osgi.framework.ServiceRegistration;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 import com.google.common.base.Optional;
  38 import com.google.common.util.concurrent.CheckedFuture;
  39
  40 public class UnimgrProvider implements BindingAwareProvider, AutoCloseable, IUnimgrConsoleProvider {
  41
  42     private static final Logger LOG = LoggerFactory.getLogger(UnimgrProvider.class);
  43
  44     private UnimgrDataChangeListener listener;
  45     private TransactionInvoker invoker;
  46
  47     private DataBroker dataBroker;
  48     private ServiceRegistration<IUnimgrConsoleProvider> unimgrConsoleRegistration;
  49
  50     public UnimgrProvider() {
  51         LOG.info("Unimgr provider initialized");
  52     }
  53
  54     @Override
  55     public void onSessionInitiated(ProviderContext session) {
  56         LOG.info("UnimgrProvider Session Initiated");
  57
  58         // Retrieve the data broker to create transactions
  59         dataBroker =  session.getSALService(DataBroker.class);
  60         invoker = new  TransactionInvoker();
  61
  62         // Register the unimgr OSGi CLI
  63         BundleContext context = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
  64         unimgrConsoleRegistration = context.registerService(IUnimgrConsoleProvider.class,
  65                                                             this,
  66                                                             null);
  67
  68         // Register the uni data change listener
  69         listener = new UnimgrDataChangeListener(dataBroker, invoker);
  70
  71         // Initialize operational and default config data in MD-SAL data store
  72         initDatastore(LogicalDatastoreType.CONFIGURATION,
  73                       UnimgrConstants.UNI_TOPOLOGY_ID);
  74         initDatastore(LogicalDatastoreType.OPERATIONAL,
  75                       UnimgrConstants.UNI_TOPOLOGY_ID);
  76         initDatastore(LogicalDatastoreType.CONFIGURATION,
  77                       UnimgrConstants.EVC_TOPOLOGY_ID);
  78         initDatastore(LogicalDatastoreType.OPERATIONAL,
  79                       UnimgrConstants.EVC_TOPOLOGY_ID);
  80     }
  81
  82     @Override
  83     public void close() throws Exception {
  84         LOG.info("UnimgrProvider Closed");
  85         unimgrConsoleRegistration.unregister();
  86         listener.close();
  87     }
  88
  89     protected void initDatastore(final LogicalDatastoreType type,
  90                                  TopologyId topoId) {
  91         InstanceIdentifier<Topology> path = InstanceIdentifier
  92                                                 .create(NetworkTopology.class)
  93                                                 .child(Topology.class,
  94                                                         new TopologyKey(topoId));
  95         initializeTopology(type);
  96         ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
  97         CheckedFuture<Optional<Topology>, ReadFailedException> unimgrTp = transaction.read(type,
  98                                                                                            path);
  99         try {
 100             if (!unimgrTp.get().isPresent()) {
 101                 TopologyBuilder tpb = new TopologyBuilder();
 102                 tpb.setTopologyId(topoId);
 103                 transaction.put(type, path, tpb.build());
 104                 transaction.submit();
 105             } else {
 106                 transaction.cancel();
 107             }
 108         } catch (Exception e) {
 109             LOG.error("Error initializing unimgr topology", e);
 110         }
 111     }
 112
 113     private void initializeTopology(LogicalDatastoreType type) {
 114         ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
 115         InstanceIdentifier<NetworkTopology> path = InstanceIdentifier.create(NetworkTopology.class);
 116         CheckedFuture<Optional<NetworkTopology>, ReadFailedException> topology = transaction.read(type,path);
 117         try {
 118             if (!topology.get().isPresent()) {
 119                 NetworkTopologyBuilder ntb = new NetworkTopologyBuilder();
 120                 transaction.put(type,path,ntb.build());
 121                 transaction.submit();
 122             } else {
 123                 transaction.cancel();
 124             }
 125         } catch (Exception e) {
 126             LOG.error("Error initializing unimgr topology {}",e);
 127         }
 128     }
 129
 130     @Override
 131     public boolean addUni(UniAugmentation uniAug) {
 132         if (uniAug == null || uniAug.getIpAddress() == null || uniAug.getMacAddress() == null) {
 133             return false;
 134         }
 135         return UnimgrUtils.createUniNode(dataBroker, uniAug);
 136     }
 137
 138     @Override
 139     public boolean removeUni(IpAddress ipAddress) {
 140         // TODO Auto-generated method stub
 141         return false;
 142     }
 143
 144     @Override
 145     public List<UniAugmentation> listUnis(LogicalDatastoreType dataStoreType) {
 146         return UnimgrUtils.getUnis(dataBroker, dataStoreType);
 147     }
 148
 149     @Override
 150     public UniAugmentation getUni(IpAddress ipAddress) {
 151         return UnimgrUtils.getUni(dataBroker, LogicalDatastoreType.CONFIGURATION, ipAddress);
 152     }
 153
 154
 155     @Override
 156     public boolean removeEvc(String uuid) {
 157         // TODO Auto-generated method stub
 158         return false;
 159     }
 160
 161     @Override
 162     public boolean addEvc(Evc evc) {
 163         // TODO Auto-generated method stub
 164         return false;
 165     }
 166
 167     @Override
 168     public Evc getEvc(String uuid) {
 169         // TODO Auto-generated method stub
 170         return null;
 171     }
 172
 173 }