transcriber/src/main/java/org/opendaylight/neutron/transcriber/NeutronRouterInterface.java

   1 /*
   2  * Copyright IBM Corporation, 2013.  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.neutron.transcriber;
  10
  11 import java.lang.reflect.Method;
  12 import java.util.ArrayList;
  13 import java.util.HashMap;
  14 import java.util.HashSet;
  15 import java.util.List;
  16 import java.util.Map.Entry;
  17 import java.util.Set;
  18 import java.util.concurrent.ConcurrentHashMap;
  19 import java.util.concurrent.ConcurrentMap;
  20
  21 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  22 import org.opendaylight.neutron.spi.INeutronRouterCRUD;
  23 import org.opendaylight.neutron.spi.NeutronRouter;
  24 import org.opendaylight.neutron.spi.NeutronRouter_Interface;
  25 import org.opendaylight.neutron.spi.NeutronRouter_NetworkReference;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.Routers;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.routers.Router;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.routers.RouterBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.routers.router.ExternalGatewayInfo;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.routers.router.ExternalGatewayInfoBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.routers.router.Interfaces;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev141002.routers.attributes.routers.router.external_gateway_info.ExternalFixedIps;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150325.Neutron;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public class NeutronRouterInterface extends  AbstractNeutronInterface<Router, NeutronRouter> implements INeutronRouterCRUD {
  39     private static final Logger logger = LoggerFactory.getLogger(NeutronRouterInterface.class);
  40     private ConcurrentMap<String, NeutronRouter> routerDB  = new ConcurrentHashMap<String, NeutronRouter>();
  41     // methods needed for creating caches
  42
  43
  44     NeutronRouterInterface(ProviderContext providerContext) {
  45         super(providerContext);
  46     }
  47
  48     // this method uses reflection to update an object from it's delta.
  49
  50     private boolean overwrite(Object target, Object delta) {
  51         Method[] methods = target.getClass().getMethods();
  52
  53         for(Method toMethod: methods){
  54             if(toMethod.getDeclaringClass().equals(target.getClass())
  55                     && toMethod.getName().startsWith("set")){
  56
  57                 String toName = toMethod.getName();
  58                 String fromName = toName.replace("set", "get");
  59
  60                 try {
  61                     Method fromMethod = delta.getClass().getMethod(fromName);
  62                     Object value = fromMethod.invoke(delta, (Object[])null);
  63                     if(value != null){
  64                         toMethod.invoke(target, value);
  65                     }
  66                 } catch (Exception e) {
  67                     e.printStackTrace();
  68                     return false;
  69                 }
  70             }
  71         }
  72         return true;
  73     }
  74
  75
  76     // IfNBRouterCRUD Interface methods
  77
  78     @Override
  79     public boolean routerExists(String uuid) {
  80         return routerDB.containsKey(uuid);
  81     }
  82
  83     @Override
  84     public NeutronRouter getRouter(String uuid) {
  85         if (!routerExists(uuid)) {
  86             return null;
  87         }
  88         return routerDB.get(uuid);
  89     }
  90
  91     @Override
  92     public List<NeutronRouter> getAllRouters() {
  93         Set<NeutronRouter> allRouters = new HashSet<NeutronRouter>();
  94         for (Entry<String, NeutronRouter> entry : routerDB.entrySet()) {
  95             NeutronRouter router = entry.getValue();
  96             allRouters.add(router);
  97         }
  98         logger.debug("Exiting getAllRouters, Found {} Routers", allRouters.size());
  99         List<NeutronRouter> ans = new ArrayList<NeutronRouter>();
 100         ans.addAll(allRouters);
 101         return ans;
 102     }
 103
 104     @Override
 105     public boolean addRouter(NeutronRouter input) {
 106         if (routerExists(input.getID())) {
 107             return false;
 108         }
 109         routerDB.putIfAbsent(input.getID(), input);
 110         addMd(input);
 111         return true;
 112     }
 113
 114     @Override
 115     public boolean removeRouter(String uuid) {
 116         if (!routerExists(uuid)) {
 117             return false;
 118         }
 119         routerDB.remove(uuid);
 120         removeMd(toMd(uuid));
 121         return true;
 122     }
 123
 124     @Override
 125     public boolean updateRouter(String uuid, NeutronRouter delta) {
 126         if (!routerExists(uuid)) {
 127             return false;
 128         }
 129         NeutronRouter target = routerDB.get(uuid);
 130         boolean rc = overwrite(target, delta);
 131         if (rc) {
 132             updateMd(routerDB.get(uuid));
 133         }
 134         return rc;
 135     }
 136
 137     @Override
 138     public boolean routerInUse(String routerUUID) {
 139         if (!routerExists(routerUUID)) {
 140             return true;
 141         }
 142         NeutronRouter target = routerDB.get(routerUUID);
 143         return (target.getInterfaces().size() > 0);
 144     }
 145
 146     @Override
 147     protected Router toMd(NeutronRouter router) {
 148
 149         RouterBuilder routerBuilder = new RouterBuilder();
 150
 151         if (router.getRouterUUID() != null) {
 152             routerBuilder.setUuid(toUuid(router.getRouterUUID()));
 153         }
 154         if (router.getName() != null) {
 155             routerBuilder.setName(router.getName());
 156         }
 157         if (router.getTenantID() != null && !router.getTenantID().isEmpty()) {
 158             routerBuilder.setTenantId(toUuid(router.getTenantID()));
 159         }
 160         if (router.getStatus() != null) {
 161             routerBuilder.setStatus(router.getStatus());
 162         }
 163         if (router.getGatewayPortId() != null && !router.getGatewayPortId().isEmpty()) {
 164             routerBuilder.setGatewayPortId(toUuid(router.getGatewayPortId()));
 165         }
 166         routerBuilder.setAdminStateUp(router.getAdminStateUp());
 167         routerBuilder.setDistribted(router.getDistributed());
 168         if (router.getRoutes() != null) {
 169             List<String> routes = new ArrayList<String>();
 170             for (String route : router.getRoutes()) {
 171                 routes.add(route);
 172             }
 173             routerBuilder.setRoutes(routes);
 174         }
 175         if (router.getExternalGatewayInfo() != null) {
 176             ExternalGatewayInfo externalGatewayInfo = null;
 177             List<NeutronRouter_NetworkReference> neutronRouter_NetworkReferences = new ArrayList<NeutronRouter_NetworkReference>();
 178             neutronRouter_NetworkReferences.add(router.getExternalGatewayInfo());
 179             for (NeutronRouter_NetworkReference externalGatewayInfos : neutronRouter_NetworkReferences) {
 180                 ExternalGatewayInfoBuilder builder = new ExternalGatewayInfoBuilder();
 181                 builder.setEnableSnat(externalGatewayInfos.getEnableSNAT());
 182                 builder.setExternalNetworkId(toUuid(externalGatewayInfos.getNetworkID()));
 183                 List<ExternalFixedIps> externalFixedIps = new ArrayList<ExternalFixedIps>();
 184                 for (int i = 0; i < externalFixedIps.size(); i++) {
 185                     externalFixedIps.add((ExternalFixedIps) externalGatewayInfos.getExternalFixedIPs().get(i));
 186                 }
 187                 builder.setExternalFixedIps(externalFixedIps);
 188                 externalGatewayInfo = builder.build();
 189             }
 190             routerBuilder.setExternalGatewayInfo(externalGatewayInfo);
 191         }
 192         if (router.getInterfaces() != null) {
 193             HashMap<String, NeutronRouter_Interface> mapInterfaces = new HashMap<String, NeutronRouter_Interface>();
 194             List<Interfaces> interfaces = new ArrayList<Interfaces>();
 195             for (Entry<String, NeutronRouter_Interface> entry : mapInterfaces.entrySet()) {
 196                 interfaces.add((Interfaces) entry.getValue());
 197             }
 198             routerBuilder.setInterfaces(interfaces);
 199         }
 200         if (router.getID() != null) {
 201             routerBuilder.setUuid(toUuid(router.getID()));
 202         } else {
 203             logger.warn("Attempting to write neutron router without UUID");
 204         }
 205         return routerBuilder.build();
 206     }
 207
 208     @Override
 209     protected InstanceIdentifier<Router> createInstanceIdentifier(Router router) {
 210         return InstanceIdentifier.create(Neutron.class).child(Routers.class).child(Router.class, router.getKey());
 211     }
 212
 213     @Override
 214     protected Router toMd(String uuid) {
 215         RouterBuilder routerBuilder = new RouterBuilder();
 216         routerBuilder.setUuid(toUuid(uuid));
 217         return routerBuilder.build();
 218     }
 219 }