| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.onosproject.dhcprelay.rest; |
| |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onosproject.dhcprelay.api.DhcpRelayService; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.onosproject.routeservice.Route; |
| import org.onosproject.routeservice.RouteStore; |
| import org.onosproject.routing.fpm.api.FpmRecord; |
| import org.slf4j.Logger; |
| |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.core.Response; |
| |
| import java.io.IOException; |
| import java.util.Optional; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * DHCP Relay agent REST API. |
| */ |
| @Path("fpm-delete") |
| public class DhcpRelayWebResource extends AbstractWebResource { |
| private static final Logger LOG = getLogger(DhcpRelayWebResource.class); |
| |
| /** |
| * Deletes the fpm route from fpm record. |
| * Corresponding route from the route store |
| * |
| * @param prefix IpPrefix |
| * @return 204 NO CONTENT |
| * @throws IOException to signify bad request |
| */ |
| @DELETE |
| @Path("{prefix}") |
| public Response dhcpFpmDelete(@PathParam("prefix") String prefix) { |
| DhcpRelayService dhcpRelayService = get(DhcpRelayService.class); |
| RouteStore routeStore = get(RouteStore.class); |
| |
| try { |
| // removes fpm route from fpm record |
| Optional<FpmRecord> fpmRecord = dhcpRelayService.removeFpmRecord(IpPrefix.valueOf(prefix)); |
| if (fpmRecord.isPresent()) { |
| IpAddress nextHop = fpmRecord.get().nextHop(); |
| Route route = new Route(Route.Source.DHCP, IpPrefix.valueOf(prefix), nextHop); |
| // removes DHCP route from route store |
| routeStore.removeRoute(route); |
| } else { |
| LOG.warn("fpmRecord is not present"); |
| } |
| } catch (IllegalArgumentException ex) { |
| throw new IllegalArgumentException(ex); |
| } |
| |
| return Response.noContent().build(); |
| } |
| |
| } |