| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * 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.vtn.table.impl; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import org.onlab.osgi.DefaultServiceDirectory; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.ForwardingObjective.Flag; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.vtn.table.DnatService; |
| import org.onosproject.vtnrsc.SegmentationId; |
| import org.slf4j.Logger; |
| |
| /** |
| * Provides implementation of DnatService. |
| */ |
| public class DnatServiceImpl implements DnatService { |
| private final Logger log = getLogger(getClass()); |
| |
| private static final int DNAT_PRIORITY = 0xffff; |
| private static final int PREFIX_LENGTH = 32; |
| |
| private final FlowObjectiveService flowObjectiveService; |
| private final ApplicationId appId; |
| |
| /** |
| * Construct a DnatServiceImpl object. |
| * |
| * @param appId the application id of vtn |
| */ |
| public DnatServiceImpl(ApplicationId appId) { |
| this.appId = checkNotNull(appId, "ApplicationId can not be null"); |
| ServiceDirectory serviceDirectory = new DefaultServiceDirectory(); |
| this.flowObjectiveService = serviceDirectory.get(FlowObjectiveService.class); |
| } |
| |
| @Override |
| public void programRules(DeviceId deviceId, IpAddress dstIp, |
| MacAddress ethSrc, IpAddress ipDst, |
| SegmentationId actionVni, Objective.Operation type) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf(dstIp, PREFIX_LENGTH)).build(); |
| |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| treatment.setEthSrc(ethSrc).setIpDst(ipDst) |
| .setTunnelId(Long.parseLong(actionVni.segmentationId())); |
| ForwardingObjective.Builder objective = DefaultForwardingObjective |
| .builder().withTreatment(treatment.build()) |
| .withSelector(selector).fromApp(appId).withFlag(Flag.SPECIFIC) |
| .withPriority(DNAT_PRIORITY); |
| if (type.equals(Objective.Operation.ADD)) { |
| log.debug("RouteRules-->ADD"); |
| flowObjectiveService.forward(deviceId, objective.add()); |
| } else { |
| log.debug("RouteRules-->REMOVE"); |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } |
| } |
| } |