neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/mapping/NeutronPortAware.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.groupbasedpolicy.neutron.mapper.mapping;
   9
  10 import static com.google.common.base.Preconditions.checkNotNull;
  11
  12 import java.util.ArrayList;
  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.Set;
  19 import java.util.concurrent.ExecutionException;
  20
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  23 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
  24 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  25 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  26 import org.opendaylight.groupbasedpolicy.neutron.gbp.util.NeutronGbpIidFactory;
  27 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.MappingUtils;
  28 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.MappingUtils.ForwardingCtx;
  29 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.NeutronUtils;
  30 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.Utils;
  31 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  32 import org.opendaylight.groupbasedpolicy.util.IidFactory;
  33 import org.opendaylight.neutron.spi.INeutronPortAware;
  34 import org.opendaylight.neutron.spi.NeutronPort;
  35 import org.opendaylight.neutron.spi.NeutronSecurityGroup;
  36 import org.opendaylight.neutron.spi.NeutronSecurityRule;
  37 import org.opendaylight.neutron.spi.Neutron_IPs;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.EndpointGroupId;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2FloodDomainId;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L3ContextId;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Name;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.SubnetId;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInput;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterL3PrefixEndpointInput;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterL3PrefixEndpointInputBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInput;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInputBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3Address;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3AddressBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.l3.prefix.fields.EndpointL3Gateways;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.l3.prefix.fields.EndpointL3GatewaysBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Key;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3PrefixKey;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L2;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L2Builder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L3;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L3Builder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.floating.ip.ports.EndpointByFloatingIpPort;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPort;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.router._interface.ports.EndpointByRouterInterfacePort;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.router.gateway.ports.EndpointByRouterGatewayPort;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.floating.ip.ports.by.endpoints.FloatingIpPortByEndpoint;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ports.by.endpoints.PortByEndpoint;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.router._interface.ports.by.endpoints.RouterInterfacePortByEndpoint;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.router.gateway.ports.by.endpoints.RouterGatewayPortByEndpoint;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.EndpointLocation.LocationType;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextInput;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextInputBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.EndpointGroup;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.Subnet;
  80 import org.opendaylight.yangtools.yang.common.RpcResult;
  81 import org.slf4j.Logger;
  82 import org.slf4j.LoggerFactory;
  83
  84 import com.google.common.base.Function;
  85 import com.google.common.base.Optional;
  86 import com.google.common.base.Strings;
  87 import com.google.common.collect.Collections2;
  88 import com.google.common.collect.ImmutableList;
  89
  90 public class NeutronPortAware implements INeutronPortAware {
  91
  92     public static final Logger LOG = LoggerFactory.getLogger(NeutronPortAware.class);
  93     private static final String DEVICE_OWNER_DHCP = "network:dhcp";
  94     private static final String DEVICE_OWNER_ROUTER_IFACE = "network:router_interface";
  95     private static final String DEVICE_OWNER_ROUTER_GATEWAY = "network:router_gateway";
  96     private static final String DEVICE_OWNER_FLOATING_IP = "network:floatingip";
  97     private static final int DHCP_SERVER_PORT = 67;
  98     private static final int DNS_SERVER_PORT = 53;
  99     private final DataBroker dataProvider;
 100     private final EndpointService epService;
 101     private final static Map<String, UniqueId> floatingIpPortByDeviceId = new HashMap<>();
 102
 103     public NeutronPortAware(DataBroker dataProvider, EndpointService epService) {
 104         this.dataProvider = checkNotNull(dataProvider);
 105         this.epService = checkNotNull(epService);
 106     }
 107
 108     /**
 109      * @see org.opendaylight.neutron.spi.INeutronPortAware#canCreatePort(org.opendaylight.neutron.spi.NeutronPort)
 110      */
 111     @Override
 112     public int canCreatePort(NeutronPort port) {
 113         LOG.trace("canCreatePort - {}", port);
 114         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 115         List<Neutron_IPs> fixedIPs = port.getFixedIPs();
 116         if (fixedIPs != null && fixedIPs.size() > 1) {
 117             LOG.warn("Neutron mapper does not support multiple IPs on the same port.");
 118             return StatusCode.BAD_REQUEST;
 119         }
 120         return StatusCode.OK;
 121     }
 122
 123     /**
 124      * @see org.opendaylight.neutron.spi.INeutronPortAware#neutronPortCreated(org.opendaylight.neutron.spi.NeutronPort)
 125      */
 126     @Override
 127     public void neutronPortCreated(NeutronPort port) {
 128         LOG.trace("neutronPortCreated - {}", port);
 129         if (isRouterInterfacePort(port)) {
 130             LOG.trace("Port is router interface - {} does nothing. {} handles router iface.",
 131                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 132             return;
 133         }
 134         if (isRouterGatewayPort(port)) {
 135             LOG.trace("Port is router gateway - {} does nothing. {} handles router iface.",
 136                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 137             return;
 138         }
 139         if (isFloatingIpPort(port)) {
 140             LOG.trace("Port is floating ip - {} device id - {}", port.getID(), port.getDeviceID());
 141             floatingIpPortByDeviceId.put(port.getDeviceID(), new UniqueId(port.getID()));
 142             return;
 143         }
 144         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 145         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 146         if (isDhcpPort(port)) {
 147             LOG.trace("Port is DHCP port. - {}", port.getID());
 148             List<NeutronSecurityRule> dhcpSecRules = createDhcpSecRules(port, null, rwTx);
 149             if (dhcpSecRules == null) {
 150                 rwTx.cancel();
 151                 return;
 152             }
 153
 154             for (NeutronSecurityRule dhcpSecRule : dhcpSecRules) {
 155                 boolean isDhcpSecRuleAdded = NeutronSecurityRuleAware.addNeutronSecurityRule(dhcpSecRule, rwTx);
 156                 if (!isDhcpSecRuleAdded) {
 157                     rwTx.cancel();
 158                     return;
 159                 }
 160             }
 161         } else {
 162             List<NeutronSecurityGroup> secGroups = port.getSecurityGroups();
 163             if (secGroups != null) {
 164                 for (NeutronSecurityGroup secGroup : secGroups) {
 165                     EndpointGroupId epgId = new EndpointGroupId(secGroup.getSecurityGroupUUID());
 166                     Optional<EndpointGroup> potentialEpg = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 167                             IidFactory.endpointGroupIid(tenantId, epgId), rwTx);
 168                     if (!potentialEpg.isPresent()) {
 169                         boolean isSecGroupCreated = NeutronSecurityGroupAware.addNeutronSecurityGroup(secGroup, rwTx);
 170                         if (!isSecGroupCreated) {
 171                             rwTx.cancel();
 172                             return;
 173                         }
 174                         if (containsSecRuleWithRemoteSecGroup(secGroup)) {
 175                             List<NeutronSecurityRule> dhcpSecRules = createDhcpSecRules(port, epgId, rwTx);
 176                             if (dhcpSecRules == null) {
 177                                 rwTx.cancel();
 178                                 return;
 179                             }
 180                             List<NeutronSecurityRule> routerSecRules = NeutronRouterAware.createRouterSecRules(port, epgId, rwTx);
 181                             if (routerSecRules == null) {
 182                                 rwTx.cancel();
 183                                 return;
 184                             }
 185                         }
 186                     } else {
 187                         List<NeutronSecurityRule> secRules = secGroup.getSecurityRules();
 188                         if (secRules != null) {
 189                             for (NeutronSecurityRule secRule : secRules) {
 190                                 NeutronSecurityRuleAware.addNeutronSecurityRule(secRule, rwTx);
 191                             }
 192                         }
 193                     }
 194                 }
 195             }
 196         }
 197         boolean isNeutronPortCreated = addNeutronPort(port, rwTx, epService);
 198         if (!isNeutronPortCreated) {
 199             rwTx.cancel();
 200             return;
 201         }
 202
 203         DataStoreHelper.submitToDs(rwTx);
 204     }
 205
 206     public static boolean addNeutronPort(NeutronPort port, ReadWriteTransaction rwTx, EndpointService epService) {
 207         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 208         L2FloodDomainId l2FdId = new L2FloodDomainId(port.getNetworkUUID());
 209         ForwardingCtx fwCtx = MappingUtils.createForwardingContext(tenantId, l2FdId, rwTx);
 210         boolean isFwCtxValid = validateForwardingCtx(fwCtx);
 211         if (!isFwCtxValid) {
 212             return false;
 213         }
 214         EndpointKey epKey = new EndpointKey(fwCtx.getL2BridgeDomain().getId(), new MacAddress(port.getMacAddress()));
 215         addNeutronGbpMapping(port, epKey, rwTx);
 216
 217         try {
 218             RegisterEndpointInput registerEpRpcInput = createRegisterEndpointInput(port, fwCtx);
 219
 220             RpcResult<Void> rpcResult = epService.registerEndpoint(registerEpRpcInput).get();
 221             if (!rpcResult.isSuccessful()) {
 222                 LOG.warn("Illegal state - RPC registerEndpoint failed. Input of RPC: {}", registerEpRpcInput);
 223                 return false;
 224             }
 225         } catch (InterruptedException | ExecutionException e) {
 226             LOG.error("addPort - RPC invocation failed.", e);
 227             return false;
 228         }
 229         return true;
 230     }
 231
 232     private static void addNeutronGbpMapping(NeutronPort port, EndpointKey epKey, ReadWriteTransaction rwTx) {
 233         UniqueId portId = new UniqueId(port.getID());
 234         if (isRouterInterfacePort(port)) {
 235             LOG.trace("Adding RouterInterfacePort-Endpoint mapping for port {} and endpoint {}", port.getID(), epKey);
 236             EndpointByRouterInterfacePort endpointByPort = MappingFactory.createEndpointByRouterInterfacePort(epKey,
 237                     portId);
 238             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.endpointByRouterInterfacePortIid(portId),
 239                     endpointByPort, true);
 240             RouterInterfacePortByEndpoint portByEndpoint = MappingFactory.createRouterInterfacePortByEndpoint(portId,
 241                     epKey);
 242             rwTx.put(LogicalDatastoreType.OPERATIONAL,
 243                     NeutronGbpIidFactory.routerInterfacePortByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()),
 244                     portByEndpoint, true);
 245         } else if (isRouterGatewayPort(port)) {
 246             LOG.trace("Adding RouterGatewayPort-Endpoint mapping for port {} and endpoint {}", port.getID(), epKey);
 247             EndpointByRouterGatewayPort endpointByPort = MappingFactory.createEndpointByRouterGatewayPort(epKey, portId);
 248             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.endpointByRouterGatewayPortIid(portId),
 249                     endpointByPort, true);
 250             RouterGatewayPortByEndpoint portByEndpoint = MappingFactory.createRouterGatewayPortByEndpoint(portId, epKey);
 251             rwTx.put(LogicalDatastoreType.OPERATIONAL,
 252                     NeutronGbpIidFactory.routerGatewayPortByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()),
 253                     portByEndpoint, true);
 254         } else if (isFloatingIpPort(port)) {
 255             LOG.trace("Adding FloatingIpPort-Endpoint mapping for port {} and endpoint {}", port.getID(), epKey);
 256             EndpointByFloatingIpPort endpointByPort = MappingFactory.createEndpointByFloatingIpPort(epKey, portId);
 257             rwTx.put(LogicalDatastoreType.OPERATIONAL, IidFactory.endpointByFloatingIpPortIid(portId),
 258                     endpointByPort, true);
 259             FloatingIpPortByEndpoint portByEndpoint = MappingFactory.createFloatingIpPortByEndpoint(portId, epKey);
 260             rwTx.put(LogicalDatastoreType.OPERATIONAL,
 261                     IidFactory.floatingIpPortByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()),
 262                     portByEndpoint, true);
 263         } else {
 264             LOG.trace("Adding Port-Endpoint mapping for port {} (device owner {}) and endpoint {}", port.getID(),
 265                     port.getDeviceOwner(), epKey);
 266             EndpointByPort endpointByPort = MappingFactory.createEndpointByPort(epKey, portId);
 267             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.endpointByPortIid(portId), endpointByPort, true);
 268             PortByEndpoint portByEndpoint = MappingFactory.createPortByEndpoint(portId, epKey);
 269             rwTx.put(LogicalDatastoreType.OPERATIONAL,
 270                     NeutronGbpIidFactory.portByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), portByEndpoint, true);
 271         }
 272     }
 273
 274     public static boolean addL3PrefixEndpoint(L3ContextId l3ContextId, IpPrefix ipPrefix, IpAddress ipAddress, TenantId tenantId,
 275             ReadWriteTransaction rwTx, EndpointService epService) {
 276
 277         EndpointL3PrefixKey epL3PrefixKey = new EndpointL3PrefixKey( ipPrefix, l3ContextId);
 278
 279         EndpointL3Key epL3Key = null;
 280         List<EndpointL3Key> l3Gateways = new ArrayList<>();
 281         if (ipAddress != null) {
 282             epL3Key = new EndpointL3Key(ipAddress, l3ContextId);
 283             l3Gateways.add(epL3Key);
 284         }
 285
 286
 287         try {
 288             RegisterL3PrefixEndpointInput registerL3PrefixEpRpcInput = createRegisterL3PrefixEndpointInput(epL3PrefixKey, l3Gateways,tenantId);
 289
 290             RpcResult<Void> rpcResult = epService.registerL3PrefixEndpoint(registerL3PrefixEpRpcInput).get();
 291             if (!rpcResult.isSuccessful()) {
 292                 LOG.warn("Illegal state - RPC registerEndpoint failed. Input of RPC: {}", registerL3PrefixEpRpcInput);
 293                 return false;
 294             }
 295         } catch (InterruptedException | ExecutionException e) {
 296             LOG.error("addPort - RPC invocation failed.", e);
 297             return false;
 298         }
 299         return true;
 300
 301     }
 302
 303     private static boolean validateForwardingCtx(ForwardingCtx fwCtx) {
 304         if (fwCtx.getL2FloodDomain() == null) {
 305             LOG.warn("Illegal state - l2-flood-domain does not exist.");
 306             return false;
 307         }
 308         if (fwCtx.getL2BridgeDomain() == null) {
 309             LOG.warn("Illegal state - l2-bridge-domain does not exist.");
 310             return false;
 311         }
 312         if (fwCtx.getL3Context() == null) {
 313             LOG.warn("Illegal state - l3-context does not exist.");
 314             return false;
 315         }
 316         return true;
 317     }
 318
 319     private List<NeutronSecurityRule> createDhcpSecRules(NeutronPort port, EndpointGroupId consumerEpgId, ReadTransaction rTx) {
 320         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 321         Neutron_IPs firstIp = MappingUtils.getFirstIp(port.getFixedIPs());
 322         if (firstIp == null) {
 323             LOG.warn("Illegal state - DHCP port does not have an IP address.");
 324             return null;
 325         }
 326         SubnetId dhcpSubnetId = new SubnetId(firstIp.getSubnetUUID());
 327         Optional<Subnet> potentialSubnet = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 328                 IidFactory.subnetIid(tenantId, dhcpSubnetId), rTx);
 329         if (!potentialSubnet.isPresent()) {
 330             LOG.warn("Illegal state - Subnet {} where is DHCP port does not exist.", dhcpSubnetId.getValue());
 331             return null;
 332         }
 333         IpPrefix ipSubnet = potentialSubnet.get().getIpPrefix();
 334         List<NeutronSecurityRule> rules = new ArrayList<>();
 335         rules.add(createDhcpIngressSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId));
 336         rules.add(createDnsSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId));
 337         rules.add(createUdpEgressSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId));
 338         rules.add(createIcmpSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId, true));
 339         rules.add(createIcmpSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId, false));
 340         return rules;
 341     }
 342
 343     private NeutronSecurityRule createDhcpIngressSecRule(String ruleUuid, TenantId tenantId, IpPrefix ipSubnet, EndpointGroupId consumerEpgId) {
 344         NeutronSecurityRule dhcpSecRule = new NeutronSecurityRule();
 345         dhcpSecRule.setSecurityRuleGroupID(MappingUtils.EPG_DHCP_ID.getValue());
 346         dhcpSecRule.setSecurityRuleTenantID(tenantId.getValue());
 347         dhcpSecRule.setSecurityRuleRemoteIpPrefix(Utils.getStringIpPrefix(ipSubnet));
 348         if (consumerEpgId != null) {
 349             dhcpSecRule.setSecurityRemoteGroupID(consumerEpgId.getValue());
 350         }
 351         dhcpSecRule.setSecurityRuleUUID(NeutronUtils.INGRESS + "_dhcp__" + ruleUuid);
 352         dhcpSecRule.setSecurityRuleDirection(NeutronUtils.INGRESS);
 353         dhcpSecRule.setSecurityRulePortMin(DHCP_SERVER_PORT);
 354         dhcpSecRule.setSecurityRulePortMax(DHCP_SERVER_PORT);
 355         dhcpSecRule.setSecurityRuleProtocol(NeutronUtils.UDP);
 356         if (ipSubnet.getIpv4Prefix() != null) {
 357             dhcpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv4);
 358         } else {
 359             dhcpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv6);
 360         }
 361         return dhcpSecRule;
 362     }
 363
 364     private NeutronSecurityRule createUdpEgressSecRule(String ruleUuid, TenantId tenantId, IpPrefix ipSubnet, EndpointGroupId consumerEpgId) {
 365         NeutronSecurityRule dhcpSecRule = new NeutronSecurityRule();
 366         dhcpSecRule.setSecurityRuleGroupID(MappingUtils.EPG_DHCP_ID.getValue());
 367         dhcpSecRule.setSecurityRuleTenantID(tenantId.getValue());
 368         dhcpSecRule.setSecurityRuleRemoteIpPrefix(Utils.getStringIpPrefix(ipSubnet));
 369         if (consumerEpgId != null) {
 370             dhcpSecRule.setSecurityRemoteGroupID(consumerEpgId.getValue());
 371         }
 372         dhcpSecRule.setSecurityRuleUUID(NeutronUtils.EGRESS + "_udp__" + ruleUuid);
 373         dhcpSecRule.setSecurityRuleDirection(NeutronUtils.EGRESS);
 374         dhcpSecRule.setSecurityRuleProtocol(NeutronUtils.UDP);
 375         if (ipSubnet.getIpv4Prefix() != null) {
 376             dhcpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv4);
 377         } else {
 378             dhcpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv6);
 379         }
 380         return dhcpSecRule;
 381     }
 382
 383     private NeutronSecurityRule createDnsSecRule(String ruleUuid, TenantId tenantId, IpPrefix ipSubnet, EndpointGroupId consumerEpgId) {
 384         NeutronSecurityRule dnsSecRule = new NeutronSecurityRule();
 385         dnsSecRule.setSecurityRuleGroupID(MappingUtils.EPG_DHCP_ID.getValue());
 386         dnsSecRule.setSecurityRuleTenantID(tenantId.getValue());
 387         dnsSecRule.setSecurityRuleRemoteIpPrefix(Utils.getStringIpPrefix(ipSubnet));
 388         if (consumerEpgId != null) {
 389             dnsSecRule.setSecurityRemoteGroupID(consumerEpgId.getValue());
 390         }
 391         dnsSecRule.setSecurityRuleUUID(NeutronUtils.INGRESS + "_dns__" + ruleUuid);
 392         dnsSecRule.setSecurityRuleDirection(NeutronUtils.INGRESS);
 393         dnsSecRule.setSecurityRulePortMin(DNS_SERVER_PORT);
 394         dnsSecRule.setSecurityRulePortMax(DNS_SERVER_PORT);
 395         dnsSecRule.setSecurityRuleProtocol(NeutronUtils.UDP);
 396         if (ipSubnet.getIpv4Prefix() != null) {
 397             dnsSecRule.setSecurityRuleEthertype(NeutronUtils.IPv4);
 398         } else {
 399             dnsSecRule.setSecurityRuleEthertype(NeutronUtils.IPv6);
 400         }
 401         return dnsSecRule;
 402     }
 403
 404     private NeutronSecurityRule createIcmpSecRule(String ruleUuid, TenantId tenantId, IpPrefix ipSubnet, EndpointGroupId consumerEpgId,
 405             boolean isEgress) {
 406         NeutronSecurityRule icmpSecRule = new NeutronSecurityRule();
 407         icmpSecRule.setSecurityRuleGroupID(MappingUtils.EPG_DHCP_ID.getValue());
 408         icmpSecRule.setSecurityRuleTenantID(tenantId.getValue());
 409         icmpSecRule.setSecurityRuleRemoteIpPrefix(Utils.getStringIpPrefix(ipSubnet));
 410         if (consumerEpgId != null) {
 411             icmpSecRule.setSecurityRemoteGroupID(consumerEpgId.getValue());
 412         }
 413         if (isEgress) {
 414             icmpSecRule.setSecurityRuleUUID(NeutronUtils.EGRESS + "_icmp__" + ruleUuid);
 415             icmpSecRule.setSecurityRuleDirection(NeutronUtils.EGRESS);
 416         } else {
 417             icmpSecRule.setSecurityRuleUUID(NeutronUtils.INGRESS + "_icmp__" + ruleUuid);
 418             icmpSecRule.setSecurityRuleDirection(NeutronUtils.INGRESS);
 419         }
 420         icmpSecRule.setSecurityRuleProtocol(NeutronUtils.ICMP);
 421         if (ipSubnet.getIpv4Prefix() != null) {
 422             icmpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv4);
 423         } else {
 424             icmpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv6);
 425         }
 426         return icmpSecRule;
 427     }
 428
 429     /**
 430      * @see org.opendaylight.neutron.spi.INeutronPortAware#canUpdatePort(org.opendaylight.neutron.spi.NeutronPort,
 431      *      org.opendaylight.neutron.spi.NeutronPort)
 432      */
 433     @Override
 434     public int canUpdatePort(NeutronPort delta, NeutronPort original) {
 435         LOG.trace("canUpdatePort - delta: {} original: {}", delta, original);
 436         if (delta.getFixedIPs() == null || delta.getFixedIPs().isEmpty()) {
 437             return StatusCode.OK;
 438         }
 439         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 440         List<Neutron_IPs> fixedIPs = delta.getFixedIPs();
 441         if (fixedIPs != null && fixedIPs.size() > 1) {
 442             LOG.warn("Neutron mapper does not support multiple IPs on the same port.");
 443             return StatusCode.BAD_REQUEST;
 444         }
 445         return StatusCode.OK;
 446     }
 447
 448     /**
 449      * @see org.opendaylight.neutron.spi.INeutronPortAware#neutronPortUpdated(org.opendaylight.neutron.spi.NeutronPort)
 450      */
 451     @Override
 452     public void neutronPortUpdated(NeutronPort port) {
 453         LOG.trace("neutronPortUpdated - {}", port);
 454         if (isRouterInterfacePort(port)) {
 455             LOG.trace("Port is router interface - {} does nothing. {} handles router iface.",
 456                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 457             return;
 458         }
 459         if (isRouterGatewayPort(port)) {
 460             LOG.trace("Port is router gateway - {}", port.getID());
 461             return;
 462         }
 463         if (isFloatingIpPort(port)) {
 464             LOG.trace("Port is floating ip - {}", port.getID());
 465             return;
 466         }
 467         if (Strings.isNullOrEmpty(port.getTenantID())) {
 468             LOG.trace("REMOVE ME: Tenant is null - {}", port.getID());
 469             return;
 470         }
 471
 472         ReadOnlyTransaction rTx = dataProvider.newReadOnlyTransaction();
 473         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 474         MacAddress macAddress = new MacAddress(port.getMacAddress());
 475         L2FloodDomainId l2FdId = new L2FloodDomainId(port.getNetworkUUID());
 476         ForwardingCtx fwCtx = MappingUtils.createForwardingContext(tenantId, l2FdId, rTx);
 477         boolean isFwCtxValid = validateForwardingCtx(fwCtx);
 478         if (!isFwCtxValid) {
 479             rTx.close();
 480             return;
 481         }
 482
 483         Optional<Endpoint> potentionalEp = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
 484                 IidFactory.endpointIid(fwCtx.getL2BridgeDomain().getId(), macAddress), rTx);
 485         if (!potentionalEp.isPresent()) {
 486             LOG.warn("Illegal state - endpoint {} does not exist.", new EndpointKey(fwCtx.getL2BridgeDomain().getId(),
 487                     macAddress));
 488             rTx.close();
 489             return;
 490         }
 491
 492         Endpoint ep = potentionalEp.get();
 493         if (isEpIpDifferentThanPortFixedIp(ep, port) || isEpgDifferentThanSecGrp(ep, port)) {
 494             UnregisterEndpointInput unregisterEpRpcInput = createUnregisterEndpointInput(ep);
 495             RegisterEndpointInput registerEpRpcInput = createRegisterEndpointInput(port, fwCtx);
 496             try {
 497                 RpcResult<Void> rpcResult = epService.unregisterEndpoint(unregisterEpRpcInput).get();
 498                 if (!rpcResult.isSuccessful()) {
 499                     LOG.warn("Illegal state - RPC unregisterEndpoint failed. Input of RPC: {}", unregisterEpRpcInput);
 500                     rTx.close();
 501                     return;
 502                 }
 503                 rpcResult = epService.registerEndpoint(registerEpRpcInput).get();
 504                 if (!rpcResult.isSuccessful()) {
 505                     LOG.warn("Illegal state - RPC registerEndpoint failed. Input of RPC: {}", registerEpRpcInput);
 506                     rTx.close();
 507                     return;
 508                 }
 509             } catch (InterruptedException | ExecutionException e) {
 510                 LOG.error("addPort - RPC invocation failed.", e);
 511                 rTx.close();
 512                 return;
 513             }
 514         }
 515         rTx.close();
 516     }
 517
 518     private boolean isEpIpDifferentThanPortFixedIp(Endpoint ep, NeutronPort port) {
 519         List<L3Address> l3Addresses = ep.getL3Address();
 520         List<Neutron_IPs> fixedIPs = port.getFixedIPs();
 521         if ((l3Addresses == null || l3Addresses.isEmpty()) && (fixedIPs == null || fixedIPs.isEmpty())) {
 522             return false;
 523         }
 524         if (l3Addresses != null && !l3Addresses.isEmpty() && fixedIPs != null && !fixedIPs.isEmpty()) {
 525             if (fixedIPs.get(0).getIpAddress().equals(Utils.getStringIpAddress(l3Addresses.get(0).getIpAddress()))) {
 526                 return false;
 527             }
 528         }
 529         return true;
 530     }
 531
 532     private boolean isEpgDifferentThanSecGrp(Endpoint ep, NeutronPort port) {
 533         List<EndpointGroupId> epgIds = ep.getEndpointGroups();
 534         List<NeutronSecurityGroup> secGroups = port.getSecurityGroups();
 535         if ((epgIds == null || epgIds.isEmpty()) && (secGroups == null || secGroups.isEmpty())) {
 536             return false;
 537         }
 538         if (epgIds != null && !epgIds.isEmpty() && secGroups != null && !secGroups.isEmpty()) {
 539             if (epgIds.size() != secGroups.size()) {
 540                 return true;
 541             }
 542             Collection<EndpointGroupId> epgIdsFromSecGroups = Collections2.transform(secGroups,
 543                     new Function<NeutronSecurityGroup, EndpointGroupId>() {
 544
 545                         @Override
 546                         public EndpointGroupId apply(NeutronSecurityGroup input) {
 547                             return new EndpointGroupId(input.getSecurityGroupUUID());
 548                         }
 549                     });
 550             // order independent equals
 551             Set<EndpointGroupId> one = new HashSet<>(epgIds);
 552             Set<EndpointGroupId> two = new HashSet<>(epgIdsFromSecGroups);
 553             if (one.equals(two)) {
 554                 return false;
 555             }
 556         }
 557         return true;
 558     }
 559
 560     /**
 561      * @see org.opendaylight.neutron.spi.INeutronPortAware#canDeletePort(org.opendaylight.neutron.spi.NeutronPort)
 562      */
 563     @Override
 564     public int canDeletePort(NeutronPort port) {
 565         LOG.trace("canDeletePort - {}", port);
 566         // nothing to consider
 567         return StatusCode.OK;
 568     }
 569
 570     /**
 571      * @see org.opendaylight.neutron.spi.INeutronPortAware#neutronPortDeleted(org.opendaylight.neutron.spi.NeutronPort)
 572      */
 573     @Override
 574     public void neutronPortDeleted(NeutronPort port) {
 575         LOG.trace("neutronPortDeleted - {}", port);
 576         if (isRouterInterfacePort(port)) {
 577             LOG.trace("Port is router interface - {} does nothing. {} handles router iface.",
 578                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 579             return;
 580         }
 581         if (isRouterGatewayPort(port)) {
 582             LOG.trace("Port is router gateway - {} does nothing. {} handles router iface.",
 583                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 584             return;
 585         }
 586         if (isFloatingIpPort(port)) {
 587             LOG.trace("Port is floating ip - {} device id - {}", port.getID(), port.getDeviceID());
 588             floatingIpPortByDeviceId.remove(port.getDeviceID());
 589         }
 590         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 591         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 592         L2FloodDomainId l2FdId = new L2FloodDomainId(port.getNetworkUUID());
 593         ForwardingCtx fwCtx = MappingUtils.createForwardingContext(tenantId, l2FdId, rwTx);
 594         boolean isFwCtxValid = validateForwardingCtx(fwCtx);
 595         if (!isFwCtxValid) {
 596             rwTx.cancel();
 597             return;
 598         }
 599
 600         EndpointKey epKey = new EndpointKey(fwCtx.getL2BridgeDomain().getId(), new MacAddress(port.getMacAddress()));
 601         deleteNeutronGbpMapping(port, epKey, rwTx);
 602         UnregisterEndpointInput unregisterEpRpcInput = createUnregisterEndpointInput(port, fwCtx);
 603         try {
 604             RpcResult<Void> rpcResult = epService.unregisterEndpoint(unregisterEpRpcInput).get();
 605             if (!rpcResult.isSuccessful()) {
 606                 LOG.warn("Illegal state - RPC unregisterEndpoint failed. Input of RPC: {}", unregisterEpRpcInput);
 607             }
 608         } catch (InterruptedException | ExecutionException e) {
 609             LOG.error("addPort - RPC invocation failed.", e);
 610             rwTx.cancel();
 611         }
 612     }
 613
 614     private static void deleteNeutronGbpMapping(NeutronPort port, EndpointKey epKey, ReadWriteTransaction rwTx) {
 615         UniqueId portId = new UniqueId(port.getID());
 616         if (isRouterInterfacePort(port)) {
 617             LOG.trace("Adding RouterInterfacePort-Endpoint mapping for port {} and endpoint {}", port.getID(), epKey);
 618             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 619                     IidFactory.endpointByRouterInterfacePortIid(portId), rwTx);
 620             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 621                     IidFactory.routerInterfacePortByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), rwTx);
 622         } else if (isRouterGatewayPort(port)) {
 623             LOG.trace("Adding RouterGatewayPort-Endpoint mapping for port {} and endpoint {}", port.getID(), epKey);
 624             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 625                     IidFactory.endpointByRouterGatewayPortIid(portId), rwTx);
 626             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 627                     IidFactory.routerGatewayPortByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), rwTx);
 628         } else if (isFloatingIpPort(port)) {
 629             LOG.trace("Adding FloatingIpPort-Endpoint mapping for port {} and endpoint {}", port.getID(), epKey);
 630             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 631                     IidFactory.endpointByFloatingIpPortIid(portId), rwTx);
 632             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 633                     IidFactory.floatingIpPortByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), rwTx);
 634         } else {
 635             LOG.trace("Adding Port-Endpoint mapping for port {} (device owner {}) and endpoint {}", port.getID(),
 636                     port.getDeviceOwner(), epKey);
 637             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL, IidFactory.endpointByPortIid(portId), rwTx);
 638             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 639                     IidFactory.portByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), rwTx);
 640         }
 641     }
 642
 643     private static RegisterL3PrefixEndpointInput createRegisterL3PrefixEndpointInput(EndpointL3PrefixKey key, List<EndpointL3Key> endpointL3Keys, TenantId tenantId) {
 644         List<EndpointGroupId> epgIds = new ArrayList<>();
 645         // each EP has to be in EPG ANY, except dhcp and router
 646         epgIds.add(MappingUtils.EPG_ANY_ID);
 647
 648         List<EndpointL3Gateways> l3Gateways = new ArrayList<EndpointL3Gateways>();
 649         for (EndpointL3Key epL3Key : endpointL3Keys) {
 650             EndpointL3Gateways l3Gateway = new EndpointL3GatewaysBuilder().setIpAddress(epL3Key.getIpAddress())
 651                 .setL3Context(epL3Key.getL3Context())
 652                 .build();
 653             l3Gateways.add(l3Gateway);
 654         }
 655         RegisterL3PrefixEndpointInputBuilder inputBuilder = new RegisterL3PrefixEndpointInputBuilder()
 656                                                 .setL3Context(key.getL3Context())
 657                                                 .setIpPrefix(key.getIpPrefix())
 658                                                 .setEndpointGroups(epgIds)
 659                                                 .setTenant(tenantId)
 660                                                 .setEndpointL3Gateways(l3Gateways)
 661                                                 .setTimestamp(System.currentTimeMillis());
 662         return inputBuilder.build();
 663     }
 664
 665     private static RegisterEndpointInput createRegisterEndpointInput(NeutronPort port, ForwardingCtx fwCtx) {
 666         List<EndpointGroupId> epgIds = new ArrayList<>();
 667         // each EP has to be in EPG ANY, except dhcp and router
 668         if (isDhcpPort(port)) {
 669             epgIds.add(MappingUtils.EPG_DHCP_ID);
 670         } else if (!containsSecRuleWithRemoteSecGroup(port.getSecurityGroups())) {
 671             epgIds.add(MappingUtils.EPG_ANY_ID);
 672         }
 673
 674         List<NeutronSecurityGroup> securityGroups = port.getSecurityGroups();
 675         if ((securityGroups == null || securityGroups.isEmpty())) {
 676             if (!isDhcpPort(port)) {
 677                 LOG.warn(
 678                         "Port {} does not contain any security group. The port should belong to 'default' security group at least.",
 679                         port.getPortUUID());
 680             }
 681         } else {
 682             for (NeutronSecurityGroup secGrp : securityGroups) {
 683                 epgIds.add(new EndpointGroupId(secGrp.getSecurityGroupUUID()));
 684             }
 685         }
 686         LocationType locationType = LocationType.Internal;
 687         if(isRouterGatewayPort(port)) {
 688             locationType = LocationType.External;
 689         }
 690         RegisterEndpointInputBuilder inputBuilder = new RegisterEndpointInputBuilder().setL2Context(
 691                 fwCtx.getL2BridgeDomain().getId())
 692             .setMacAddress(new MacAddress(port.getMacAddress()))
 693             .setTenant(new TenantId(Utils.normalizeUuid(port.getTenantID())))
 694             .setEndpointGroups(epgIds)
 695             .addAugmentation(OfOverlayContextInput.class,
 696                     new OfOverlayContextInputBuilder()
 697                         .setPortName(createTapPortName(port))
 698                         .setLocationType(locationType)
 699                     .build())
 700             .setTimestamp(System.currentTimeMillis());
 701         List<Neutron_IPs> fixedIPs = port.getFixedIPs();
 702         // TODO Li msunal this getting of just first IP has to be rewrite when OFOverlay renderer
 703         // will support l3-endpoints. Then we will register L2 and L3 endpoints separately.
 704         Neutron_IPs firstIp = MappingUtils.getFirstIp(fixedIPs);
 705         if (firstIp != null) {
 706             inputBuilder.setNetworkContainment(new SubnetId(firstIp.getSubnetUUID()));
 707             L3Address l3Address = new L3AddressBuilder().setIpAddress(Utils.createIpAddress(firstIp.getIpAddress()))
 708                 .setL3Context(fwCtx.getL3Context().getId())
 709                 .build();
 710             inputBuilder.setL3Address(ImmutableList.of(l3Address));
 711         }
 712         if (!Strings.isNullOrEmpty(port.getName())) {
 713
 714         }
 715         return inputBuilder.build();
 716     }
 717
 718     private static boolean containsSecRuleWithRemoteSecGroup(List<NeutronSecurityGroup> secGroups) {
 719         if (secGroups == null) {
 720             return false;
 721         }
 722         for (NeutronSecurityGroup secGroup : secGroups) {
 723             boolean containsSecRuleWithRemoteSecGroup = containsSecRuleWithRemoteSecGroup(secGroup);
 724             if (containsSecRuleWithRemoteSecGroup) {
 725                 return true;
 726             }
 727         }
 728         return false;
 729     }
 730
 731     private static boolean containsSecRuleWithRemoteSecGroup(NeutronSecurityGroup secGroup) {
 732         List<NeutronSecurityRule> secRules = secGroup.getSecurityRules();
 733         if (secRules == null) {
 734             return false;
 735         }
 736         for (NeutronSecurityRule secRule : secRules) {
 737             if (!Strings.isNullOrEmpty(secRule.getSecurityRemoteGroupID())) {
 738                 return true;
 739             }
 740         }
 741         return false;
 742     }
 743
 744     private static Name createTapPortName(NeutronPort port) {
 745         return new Name("tap" + port.getID().substring(0, 11));
 746     }
 747
 748     private static boolean isDhcpPort(NeutronPort port) {
 749         return DEVICE_OWNER_DHCP.equals(port.getDeviceOwner());
 750     }
 751
 752     private static boolean isRouterInterfacePort(NeutronPort port) {
 753         return DEVICE_OWNER_ROUTER_IFACE.equals(port.getDeviceOwner());
 754     }
 755
 756     private static boolean isRouterGatewayPort(NeutronPort port) {
 757         return DEVICE_OWNER_ROUTER_GATEWAY.equals(port.getDeviceOwner());
 758     }
 759
 760     private static boolean isFloatingIpPort(NeutronPort port) {
 761         return DEVICE_OWNER_FLOATING_IP.equals(port.getDeviceOwner());
 762     }
 763
 764     private UnregisterEndpointInput createUnregisterEndpointInput(Endpoint ep) {
 765         UnregisterEndpointInputBuilder inputBuilder = new UnregisterEndpointInputBuilder();
 766         L2 l2Ep = new L2Builder().setL2Context(ep.getL2Context()).setMacAddress(ep.getMacAddress()).build();
 767         inputBuilder.setL2(ImmutableList.of(l2Ep));
 768         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 769         // Endpoint probably will not have l3-addresses anymore, because L2 and L3 endpoints should
 770         // be registered separately.
 771         if (ep.getL3Address() != null && !ep.getL3Address().isEmpty()) {
 772             List<L3> l3Eps = new ArrayList<>();
 773             for (L3Address ip : ep.getL3Address()) {
 774                 l3Eps.add(new L3Builder().setL3Context(ip.getL3Context()).setIpAddress(ip.getIpAddress()).build());
 775             }
 776             inputBuilder.setL3(l3Eps);
 777         }
 778         return inputBuilder.build();
 779     }
 780
 781     private UnregisterEndpointInput createUnregisterEndpointInput(NeutronPort port, ForwardingCtx fwCtx) {
 782         UnregisterEndpointInputBuilder inputBuilder = new UnregisterEndpointInputBuilder();
 783         L2 l2Ep = new L2Builder().setL2Context(fwCtx.getL2BridgeDomain().getId())
 784             .setMacAddress(new MacAddress(port.getMacAddress()))
 785             .build();
 786         inputBuilder.setL2(ImmutableList.of(l2Ep));
 787         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 788         // Endpoint probably will not have l3-addresses anymore, because L2 and L3 endpoints should
 789         // be registered separately.
 790         if (port.getFixedIPs() != null && !port.getFixedIPs().isEmpty()) {
 791             inputBuilder.setL3(createL3s(port.getFixedIPs(), fwCtx.getL3Context().getId()));
 792         }
 793         return inputBuilder.build();
 794     }
 795
 796     private List<L3> createL3s(List<Neutron_IPs> neutronIps, L3ContextId l3ContextId) {
 797         List<L3> l3s = new ArrayList<>();
 798         for (Neutron_IPs fixedIp : neutronIps) {
 799             String ip = fixedIp.getIpAddress();
 800             L3 l3 = new L3Builder().setIpAddress(Utils.createIpAddress(ip)).setL3Context(l3ContextId).build();
 801             l3s.add(l3);
 802         }
 803         return l3s;
 804     }
 805
 806     public static UniqueId getFloatingIpPortIdByDeviceId(String deviceId) {
 807         return floatingIpPortByDeviceId.get(deviceId);
 808     }
 809
 810 }