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.Uni;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.osgi.framework.BundleContext;
  33 import org.osgi.framework.FrameworkUtil;
  34 import org.osgi.framework.ServiceRegistration;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 import com.google.common.base.Optional;
  39 import com.google.common.util.concurrent.CheckedFuture;
  40
  41 public class UnimgrProvider implements BindingAwareProvider, AutoCloseable, IUnimgrConsoleProvider {
  42
  43     private static final Logger LOG = LoggerFactory.getLogger(UnimgrProvider.class);
  44
  45     private UnimgrDataChangeListener listener;
  46     private TransactionInvoker invoker;
  47
  48     private DataBroker dataBroker;
  49     private ServiceRegistration<IUnimgrConsoleProvider> unimgrConsoleRegistration;
  50
  51     public UnimgrProvider() {
  52         LOG.info("Unimgr provider initialized");
  53     }
  54
  55     @Override
  56     public void onSessionInitiated(ProviderContext session) {
  57         LOG.info("UnimgrProvider Session Initiated");
  58
  59         // Retrieve the data broker to create transactions
  60         dataBroker =  session.getSALService(DataBroker.class);
  61         invoker = new  TransactionInvoker();
  62
  63         // Register the unimgr OSGi CLI
  64         BundleContext context = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
  65         unimgrConsoleRegistration = context.registerService(IUnimgrConsoleProvider.class,
  66                                                             this,
  67                                                             null);
  68
  69         // Register the uni data change listener
  70         listener = new UnimgrDataChangeListener(dataBroker, invoker);
  71
  72         // Initialize operational and default config data in MD-SAL data store
  73         initDatastore(LogicalDatastoreType.CONFIGURATION,
  74                       UnimgrConstants.UNI_TOPOLOGY_ID);
  75         initDatastore(LogicalDatastoreType.OPERATIONAL,
  76                       UnimgrConstants.UNI_TOPOLOGY_ID);
  77         initDatastore(LogicalDatastoreType.CONFIGURATION,
  78                       UnimgrConstants.EVC_TOPOLOGY_ID);
  79         initDatastore(LogicalDatastoreType.OPERATIONAL,
  80                       UnimgrConstants.EVC_TOPOLOGY_ID);
  81     }
  82
  83     @Override
  84     public void close() throws Exception {
  85         LOG.info("UnimgrProvider Closed");
  86         unimgrConsoleRegistration.unregister();
  87         listener.close();
  88     }
  89
  90     protected void initDatastore(final LogicalDatastoreType type,
  91                                  TopologyId topoId) {
  92         InstanceIdentifier<Topology> path = InstanceIdentifier
  93                                                 .create(NetworkTopology.class)
  94                                                 .child(Topology.class,
  95                                                         new TopologyKey(topoId));
  96         initializeTopology(type);
  97         ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
  98         CheckedFuture<Optional<Topology>, ReadFailedException> unimgrTp = transaction.read(type,
  99                                                                                            path);
 100         try {
 101             if (!unimgrTp.get().isPresent()) {
 102                 TopologyBuilder tpb = new TopologyBuilder();
 103                 tpb.setTopologyId(topoId);
 104                 transaction.put(type, path, tpb.build());
 105                 transaction.submit();
 106             } else {
 107                 transaction.cancel();
 108             }
 109         } catch (Exception e) {
 110             LOG.error("Error initializing unimgr topology", e);
 111         }
 112     }
 113
 114     private void initializeTopology(LogicalDatastoreType type) {
 115         ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
 116         InstanceIdentifier<NetworkTopology> path = InstanceIdentifier.create(NetworkTopology.class);
 117         CheckedFuture<Optional<NetworkTopology>, ReadFailedException> topology = transaction.read(type,path);
 118         try {
 119             if (!topology.get().isPresent()) {
 120                 NetworkTopologyBuilder ntb = new NetworkTopologyBuilder();
 121                 transaction.put(type,path,ntb.build());
 122                 transaction.submit();
 123             } else {
 124                 transaction.cancel();
 125             }
 126         } catch (Exception e) {
 127             LOG.error("Error initializing unimgr topology {}",e);
 128         }
 129     }
 130
 131     @Override
 132     public boolean addUni(UniAugmentation uniAug) {
 133         if (uniAug == null || uniAug.getIpAddress() == null || uniAug.getMacAddress() == null) {
 134             return false;
 135         }
 136         return UnimgrUtils.createUniNode(dataBroker, uniAug);
 137     }
 138
 139     @Override
 140     public boolean removeUni(IpAddress ipAddress) {
 141         // TODO Auto-generated method stub
 142         return false;
 143     }
 144
 145     @Override
 146     public List<Uni> listUnis(Boolean isConfigurationData) {
 147         // TODO Auto-generated method stub
 148         return null;
 149     }
 150
 151     @Override
 152     public Uni getUni(IpAddress ipAddress) {
 153         // TODO Auto-generated method stub
 154         return null;
 155     }
 156
 157
 158     @Override
 159     public boolean removeEvc(String uuid) {
 160         // TODO Auto-generated method stub
 161         return false;
 162     }
 163
 164     @Override
 165     public boolean addEvc(Evc evc) {
 166         // TODO Auto-generated method stub
 167         return false;
 168     }
 169
 170     @Override
 171     public Evc getEvc(String uuid) {
 172         // TODO Auto-generated method stub
 173         return null;
 174     }
 175
 176 }