| /* |
| * 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.query; |
| |
| import java.util.Set; |
| import java.util.stream.IntStream; |
| |
| import org.onlab.packet.MplsLabel; |
| import org.onlab.util.GuavaCollectors; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.MplsQuery; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| |
| /** |
| * Driver which always responds that all MPLS Labels are available for the Device. |
| */ |
| public class FullMplsAvailable |
| extends AbstractHandlerBehaviour |
| implements MplsQuery { |
| |
| // Ref: http://www.iana.org/assignments/mpls-label-values/mpls-label-values.xhtml |
| // Smallest non-reserved MPLS label |
| private static final int MIN_UNRESERVED_LABEL = 0x10; |
| // Max non-reserved MPLS label = 239 |
| private static final int MAX_UNRESERVED_LABEL = 0xEF; |
| private static final Set<MplsLabel> ENTIRE_MPLS_LABELS = getEntireMplsLabels(); |
| |
| |
| @Override |
| public Set<MplsLabel> queryMplsLabels(PortNumber port) { |
| return ENTIRE_MPLS_LABELS; |
| } |
| |
| private static Set<MplsLabel> getEntireMplsLabels() { |
| return IntStream.range(MIN_UNRESERVED_LABEL, MAX_UNRESERVED_LABEL + 1) |
| .mapToObj(MplsLabel::mplsLabel) |
| .collect(GuavaCollectors.toImmutableSet()); |
| } |
| |
| } |