| /* |
| * Copyright 2017-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.drivers.bmv2; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.onosproject.drivers.p4runtime.AbstractP4RuntimePipelineProgrammable; |
| import org.onosproject.net.behaviour.PiPipelineProgrammable; |
| import org.onosproject.net.pi.model.PiPipeconf; |
| import org.onosproject.pipelines.basic.PipeconfLoader; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Optional; |
| |
| import static org.onosproject.net.pi.model.PiPipeconf.ExtensionType.BMV2_JSON; |
| |
| /** |
| * Implementation of the PiPipelineProgrammable behavior for BMv2. |
| */ |
| public class Bmv2PipelineProgrammable extends AbstractP4RuntimePipelineProgrammable |
| implements PiPipelineProgrammable { |
| |
| @Override |
| public ByteBuffer createDeviceDataBuffer(PiPipeconf pipeconf) { |
| if (!pipeconf.extension(BMV2_JSON).isPresent()) { |
| log.warn("Missing extension {} in pipeconf {}", BMV2_JSON, pipeconf.id()); |
| return null; |
| } |
| try { |
| return ByteBuffer.wrap(IOUtils.toByteArray(pipeconf.extension(BMV2_JSON).get())); |
| } catch (IOException e) { |
| log.warn("Unable to read {} from pipeconf {}", BMV2_JSON, pipeconf.id()); |
| return null; |
| } |
| } |
| |
| @Override |
| public Optional<PiPipeconf> getDefaultPipeconf() { |
| return Optional.of(PipeconfLoader.BASIC_PIPECONF); |
| } |
| } |