| /* |
| * Copyright 2016-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.driver.pipeline; |
| |
| |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.behaviour.NextGroup; |
| 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.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveStore; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| |
| import org.slf4j.Logger; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Driver for Hp. Default table starts from 200. |
| */ |
| public class HpPipeline extends AbstractHandlerBehaviour implements Pipeliner { |
| |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private ServiceDirectory serviceDirectory; |
| private FlowRuleService flowRuleService; |
| private CoreService coreService; |
| private DeviceId deviceId; |
| private ApplicationId appId; |
| protected FlowObjectiveStore flowObjectiveStore; |
| |
| //FIXME: hp table numbers are configurable . Set this parameter configurable |
| private static final int SOFTWARE_TABLE_START = 200; |
| private static final int TIME_OUT = 30; |
| |
| @Override |
| public void init(DeviceId deviceId, PipelinerContext context) { |
| log.debug("Initiate HP pipeline"); |
| this.serviceDirectory = context.directory(); |
| this.deviceId = deviceId; |
| |
| flowRuleService = serviceDirectory.get(FlowRuleService.class); |
| coreService = serviceDirectory.get(CoreService.class); |
| flowObjectiveStore = context.store(); |
| |
| appId = coreService.registerApplication( |
| "org.onosproject.driver.HpPipeline"); |
| } |
| |
| @Override |
| public void filter(FilteringObjective filter) { |
| //Do nothing |
| } |
| |
| @Override |
| public void forward(ForwardingObjective forwardObjective) { |
| |
| Collection<FlowRule> rules; |
| FlowRuleOperations.Builder flowOpsBuilder = FlowRuleOperations.builder(); |
| |
| rules = processForward(forwardObjective); |
| |
| switch (forwardObjective.op()) { |
| case ADD: |
| rules.stream() |
| .filter(Objects::nonNull) |
| .forEach(flowOpsBuilder::add); |
| break; |
| case REMOVE: |
| rules.stream() |
| .filter(Objects::nonNull) |
| .forEach(flowOpsBuilder::remove); |
| break; |
| default: |
| fail(forwardObjective, ObjectiveError.UNKNOWN); |
| log.warn("Unknown forwarding type {}"); |
| } |
| |
| flowRuleService.apply(flowOpsBuilder.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| pass(forwardObjective); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| fail(forwardObjective, ObjectiveError.FLOWINSTALLATIONFAILED); |
| } |
| })); |
| |
| } |
| |
| private Collection<FlowRule> processForward(ForwardingObjective fwd) { |
| |
| log.debug("Processing forwarding object"); |
| |
| FlowRule.Builder ruleBuilder = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(fwd.selector()) |
| .withTreatment(fwd.treatment()) |
| .withPriority(fwd.priority()) |
| .fromApp(fwd.appId()) |
| .forTable(SOFTWARE_TABLE_START); |
| |
| if (fwd.permanent()) { |
| ruleBuilder.makePermanent(); |
| } else { |
| ruleBuilder.makeTemporary(TIME_OUT); |
| } |
| |
| return Collections.singletonList(ruleBuilder.build()); |
| } |
| |
| |
| |
| @Override |
| public void next(NextObjective nextObjective) { |
| // Do nothing |
| } |
| |
| @Override |
| public List<String> getNextMappings(NextGroup nextGroup) { |
| // TODO Implementation deferred to vendor |
| return null; |
| } |
| |
| private void pass(Objective obj) { |
| obj.context().ifPresent(context -> context.onSuccess(obj)); |
| } |
| |
| private void fail(Objective obj, ObjectiveError error) { |
| obj.context().ifPresent(context -> context.onError(obj, error)); |
| } |
| |
| |
| } |