| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * 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.pipelines.fabric.impl; |
| |
| import org.onosproject.net.behaviour.inbandtelemetry.IntProgrammable; |
| |
| import org.onosproject.net.behaviour.BngProgrammable; |
| import org.onosproject.net.behaviour.upf.UpfProgrammable; |
| import org.onosproject.pipelines.fabric.impl.behaviour.upf.FabricUpfProgrammable; |
| import org.onosproject.net.behaviour.Pipeliner; |
| import org.onosproject.net.pi.model.DefaultPiPipeconf; |
| import org.onosproject.net.pi.model.PiPipeconf; |
| import org.onosproject.net.pi.model.PiPipelineInterpreter; |
| import org.onosproject.net.pi.model.PiPipelineModel; |
| import org.onosproject.p4runtime.model.P4InfoParser; |
| import org.onosproject.p4runtime.model.P4InfoParserException; |
| import org.onosproject.pipelines.fabric.FabricPipeconfService; |
| import org.onosproject.pipelines.fabric.impl.behaviour.FabricIntProgrammable; |
| import org.onosproject.pipelines.fabric.impl.behaviour.bng.FabricBngProgrammable; |
| import org.onosproject.pipelines.fabric.impl.behaviour.FabricInterpreter; |
| import org.onosproject.pipelines.fabric.impl.behaviour.pipeliner.FabricPipeliner; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.slf4j.Logger; |
| |
| import java.net.URL; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of the FabricPipeconfService. |
| */ |
| @Component(immediate = true, service = FabricPipeconfService.class) |
| public final class FabricPipeconfManager implements FabricPipeconfService { |
| |
| private static final String INT_PROFILE_SUFFIX = "-int"; |
| private static final String FULL_PROFILE_SUFFIX = "-full"; |
| private static final String BNG_PROFILE_SUFFIX = "-bng"; |
| private static final String UPF_PROFILE_SUFFIX = "-spgw"; |
| |
| private static Logger log = getLogger(FabricPipeconfLoader.class); |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public PiPipeconf buildFabricPipeconf( |
| DefaultPiPipeconf.Builder builder, String profile, URL p4InfoUrl, URL cpuPortUrl) { |
| return build(builder, profile, p4InfoUrl, cpuPortUrl); |
| } |
| |
| static PiPipeconf build( |
| DefaultPiPipeconf.Builder pipeconfBuilder, |
| String profileName, URL p4InfoUrl, URL cpuPortUrl) { |
| checkNotNull(pipeconfBuilder, |
| "pipeconfBuilder cannot be null"); |
| checkArgument(profileName != null && !profileName.isEmpty(), |
| "profileName cannot be null or empty"); |
| checkNotNull(p4InfoUrl, |
| "p4InfoUrl cannot be null (check if file exists)"); |
| checkNotNull(cpuPortUrl, |
| "cpuPortUrl cannot be null (check if file exists)"); |
| |
| pipeconfBuilder |
| .withPipelineModel(parseP4Info(p4InfoUrl)) |
| .addBehaviour(PiPipelineInterpreter.class, FabricInterpreter.class) |
| .addBehaviour(Pipeliner.class, FabricPipeliner.class) |
| .addExtension(PiPipeconf.ExtensionType.P4_INFO_TEXT, p4InfoUrl) |
| .addExtension(PiPipeconf.ExtensionType.CPU_PORT_TXT, cpuPortUrl); |
| |
| // Add IntProgrammable behaviour for INT-enabled profiles. |
| if (profileName.endsWith(INT_PROFILE_SUFFIX) || |
| profileName.endsWith(FULL_PROFILE_SUFFIX)) { |
| pipeconfBuilder.addBehaviour(IntProgrammable.class, FabricIntProgrammable.class); |
| } |
| // Add BngProgrammable behavior for BNG-enabled pipelines. |
| if (profileName.endsWith(BNG_PROFILE_SUFFIX)) { |
| pipeconfBuilder.addBehaviour(BngProgrammable.class, FabricBngProgrammable.class); |
| } |
| // Add UpfProgrammable behavior for UPF-enabled pipelines. |
| if (profileName.contains(UPF_PROFILE_SUFFIX) || |
| profileName.endsWith(FULL_PROFILE_SUFFIX)) { |
| pipeconfBuilder.addBehaviour(UpfProgrammable.class, FabricUpfProgrammable.class); |
| } |
| return pipeconfBuilder.build(); |
| } |
| |
| private static PiPipelineModel parseP4Info(URL p4InfoUrl) { |
| try { |
| return P4InfoParser.parse(p4InfoUrl); |
| } catch (P4InfoParserException e) { |
| // FIXME: propagate exception that can be handled by whoever is |
| // trying to build pipeconfs. |
| throw new IllegalStateException(e); |
| } |
| } |
| } |