diff options
Diffstat (limited to 'framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/SnatServiceImpl.java')
-rw-r--r-- | framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/SnatServiceImpl.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/SnatServiceImpl.java b/framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/SnatServiceImpl.java new file mode 100644 index 00000000..0f090954 --- /dev/null +++ b/framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/SnatServiceImpl.java @@ -0,0 +1,90 @@ +/* + * Copyright 2015 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.SnatService; +import org.onosproject.vtnrsc.SegmentationId; +import org.slf4j.Logger; + +/** + * Provides implementation of SnatService. + */ +public class SnatServiceImpl implements SnatService { + private final Logger log = getLogger(getClass()); + + private static final int SNAT_PRIORITY = 0xffff; + private static final int PREFIC_LENGTH = 32; + + private final FlowObjectiveService flowObjectiveService; + private final ApplicationId appId; + + /** + * Construct a SnatServiceImpl object. + * + * @param appId the application id of vtn + */ + public SnatServiceImpl(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, SegmentationId matchVni, + IpAddress srcIP, MacAddress ethDst, + MacAddress ethSrc, IpAddress ipSrc, + SegmentationId actionVni, Objective.Operation type) { + TrafficSelector selector = DefaultTrafficSelector.builder() + .matchEthType(Ethernet.TYPE_IPV4) + .matchTunnelId(Long.parseLong(matchVni.segmentationId())) + .matchIPSrc(IpPrefix.valueOf(srcIP, PREFIC_LENGTH)).build(); + + TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); + treatment.setEthDst(ethDst).setEthSrc(ethSrc).setIpSrc(ipSrc) + .setTunnelId(Long.parseLong(actionVni.segmentationId())); + ForwardingObjective.Builder objective = DefaultForwardingObjective + .builder().withTreatment(treatment.build()) + .withSelector(selector).fromApp(appId).withFlag(Flag.SPECIFIC) + .withPriority(SNAT_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()); + } + } +} |