Carmelo Cascone | 1e8843f | 2018-07-19 19:01:12 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.pipelines.fabric; |
| 18 | |
| 19 | import org.onosproject.net.PortNumber; |
| 20 | import org.onosproject.net.flow.TrafficTreatment; |
| 21 | import org.onosproject.net.flow.instructions.Instruction; |
| 22 | import org.onosproject.net.flow.instructions.Instructions; |
| 23 | |
| 24 | import java.util.Optional; |
| 25 | |
| 26 | /** |
| 27 | * Utility class for fabric pipeliner. |
| 28 | */ |
| 29 | public final class FabricUtils { |
| 30 | |
| 31 | private FabricUtils() { |
| 32 | // Hides constructor. |
| 33 | } |
| 34 | |
| 35 | public static Optional<Instructions.OutputInstruction> getOutputInstruction(TrafficTreatment treatment) { |
| 36 | return treatment.allInstructions() |
| 37 | .stream() |
| 38 | .filter(inst -> inst.type() == Instruction.Type.OUTPUT) |
| 39 | .map(inst -> (Instructions.OutputInstruction) inst) |
| 40 | .findFirst(); |
| 41 | } |
| 42 | |
| 43 | public static PortNumber getOutputPort(TrafficTreatment treatment) { |
| 44 | return getOutputInstruction(treatment) |
| 45 | .map(Instructions.OutputInstruction::port) |
| 46 | .orElse(null); |
| 47 | } |
| 48 | } |