| /* |
| * 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.driver.pipeline; |
| |
| import com.google.common.util.concurrent.SettableFuture; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onosproject.core.DefaultGroupId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.behaviour.Pipeliner; |
| import org.onosproject.net.behaviour.PipelinerContext; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.flow.FlowRuleOperationsContext; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Simple single table pipeline abstraction. |
| */ |
| public class DefaultSingleTablePipeline extends AbstractHandlerBehaviour implements Pipeliner { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private ServiceDirectory serviceDirectory; |
| private FlowRuleService flowRuleService; |
| private DeviceId deviceId; |
| |
| @Override |
| public void init(DeviceId deviceId, PipelinerContext context) { |
| this.serviceDirectory = context.directory(); |
| this.deviceId = deviceId; |
| |
| flowRuleService = serviceDirectory.get(FlowRuleService.class); |
| } |
| |
| @Override |
| public void filter(FilteringObjective filter) { |
| throw new UnsupportedOperationException("Single table does not filter."); |
| } |
| |
| @Override |
| public void forward(ForwardingObjective fwd) { |
| FlowRuleOperations.Builder flowBuilder = FlowRuleOperations.builder(); |
| |
| if (fwd.flag() != ForwardingObjective.Flag.VERSATILE) { |
| throw new UnsupportedOperationException( |
| "Only VERSATILE is supported."); |
| } |
| |
| TrafficSelector selector = fwd.selector(); |
| |
| FlowRule rule = new DefaultFlowRule(deviceId, selector, |
| fwd.treatment(), |
| fwd.priority(), fwd.appId(), |
| new DefaultGroupId(fwd.id()), |
| fwd.timeout(), fwd.permanent()); |
| |
| switch (fwd.op()) { |
| |
| case ADD: |
| flowBuilder.add(rule); |
| break; |
| case REMOVE: |
| flowBuilder.remove(rule); |
| break; |
| default: |
| log.warn("Unknown operation {}", fwd.op()); |
| } |
| |
| |
| SettableFuture<Boolean> future = SettableFuture.create(); |
| |
| flowRuleService.apply(flowBuilder.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| if (fwd.context().isPresent()) { |
| fwd.context().get().onSuccess(fwd); |
| } |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| if (fwd.context().isPresent()) { |
| fwd.context().get().onError(fwd, ObjectiveError.FLOWINSTALLATIONFAILED); |
| } |
| } |
| })); |
| |
| } |
| |
| @Override |
| public void next(NextObjective nextObjective) { |
| throw new UnsupportedOperationException("Single table does not next hop."); |
| } |
| |
| } |