| /* |
| * 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 org.onlab.osgi.ServiceDirectory; |
| import org.onlab.packet.EthType; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.MastershipRole; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.Pipeliner; |
| import org.onosproject.net.behaviour.PipelinerContext; |
| import org.onosproject.net.device.DefaultDeviceDescription; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.DeviceProvider; |
| import org.onosproject.net.device.DeviceProviderRegistry; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 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.flow.TrafficTreatment; |
| import org.onosproject.net.flow.instructions.Instructions; |
| 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.onosproject.net.packet.PacketPriority; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.slf4j.Logger; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Pipeliner for OLT device. |
| */ |
| public class OltPipeline extends AbstractHandlerBehaviour implements Pipeliner { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| static final ProviderId PID = new ProviderId("olt", "org.onosproject.olt", true); |
| |
| static final String DEVICE = "isAccess"; |
| static final String OLT = "true"; |
| |
| private ServiceDirectory serviceDirectory; |
| private FlowRuleService flowRuleService; |
| private DeviceId deviceId; |
| private CoreService coreService; |
| |
| private ApplicationId appId; |
| |
| private DeviceProvider provider = new AnnotationProvider(); |
| |
| |
| @Override |
| public void init(DeviceId deviceId, PipelinerContext context) { |
| this.serviceDirectory = context.directory(); |
| this.deviceId = deviceId; |
| DeviceProviderRegistry registry = |
| serviceDirectory.get(DeviceProviderRegistry.class); |
| flowRuleService = serviceDirectory.get(FlowRuleService.class); |
| coreService = serviceDirectory.get(CoreService.class); |
| |
| /*try { |
| DeviceProviderService providerService = registry.register(provider); |
| providerService.deviceConnected(deviceId, |
| description(deviceId, DEVICE, OLT)); |
| } finally { |
| registry.unregister(provider); |
| }*/ |
| |
| appId = coreService.registerApplication( |
| "org.onosproject.driver.OLTPipeline"); |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(EthType.EtherType.EAPOL.ethType().toShort()) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .punt() |
| .build(); |
| |
| FlowRule flowRule = new DefaultFlowRule(deviceId, selector, treatment, |
| PacketPriority.CONTROL.priorityValue(), |
| appId, 0, true, null); |
| |
| //flowRuleService.applyFlowRules(flowRule); |
| } |
| |
| @Override |
| public void filter(FilteringObjective filter) { |
| throw new UnsupportedOperationException("OLT 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."); |
| } |
| |
| boolean isPunt = fwd.treatment().immediate().stream().anyMatch(i -> { |
| if (i instanceof Instructions.OutputInstruction) { |
| Instructions.OutputInstruction out = (Instructions.OutputInstruction) i; |
| return out.port().equals(PortNumber.CONTROLLER); |
| } |
| return false; |
| }); |
| |
| if (isPunt) { |
| return; |
| } |
| |
| TrafficSelector selector = fwd.selector(); |
| TrafficTreatment treatment = fwd.treatment(); |
| |
| FlowRule.Builder ruleBuilder = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector) |
| .withTreatment(treatment) |
| .fromApp(fwd.appId()) |
| .withPriority(fwd.priority()); |
| |
| if (fwd.permanent()) { |
| ruleBuilder.makePermanent(); |
| } else { |
| ruleBuilder.makeTemporary(fwd.timeout()); |
| } |
| |
| switch (fwd.op()) { |
| case ADD: |
| flowBuilder.add(ruleBuilder.build()); |
| break; |
| case REMOVE: |
| flowBuilder.remove(ruleBuilder.build()); |
| break; |
| default: |
| log.warn("Unknown operation {}", fwd.op()); |
| } |
| |
| 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("OLT does not next hop."); |
| } |
| |
| /** |
| * Build a device description. |
| * |
| * @param deviceId a deviceId |
| * @param key the key of the annotation |
| * @param value the value for the annotation |
| * @return a device description |
| */ |
| private DeviceDescription description(DeviceId deviceId, String key, String value) { |
| DeviceService deviceService = serviceDirectory.get(DeviceService.class); |
| Device device = deviceService.getDevice(deviceId); |
| |
| checkNotNull(device, "Device not found in device service."); |
| |
| DefaultAnnotations.Builder builder = DefaultAnnotations.builder(); |
| if (value != null) { |
| builder.set(key, value); |
| } else { |
| builder.remove(key); |
| } |
| return new DefaultDeviceDescription(device.id().uri(), device.type(), |
| device.manufacturer(), device.hwVersion(), |
| device.swVersion(), device.serialNumber(), |
| device.chassisId(), builder.build()); |
| } |
| |
| /** |
| * Simple ancillary provider used to annotate device. |
| */ |
| private static final class AnnotationProvider |
| extends AbstractProvider implements DeviceProvider { |
| private AnnotationProvider() { |
| super(PID); |
| } |
| |
| @Override |
| public void triggerProbe(DeviceId deviceId) { |
| } |
| |
| @Override |
| public void roleChanged(DeviceId deviceId, MastershipRole newRole) { |
| } |
| |
| @Override |
| public boolean isReachable(DeviceId deviceId) { |
| return false; |
| } |
| } |
| |
| } |