| /* |
| * Copyright 2016-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.actn.mdsc.pce.impl; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onosproject.actn.mdsc.pce.TeTunnelPce; |
| import org.onosproject.actn.mdsc.pce.TeTunnelPceService; |
| import org.onosproject.tetunnel.api.tunnel.TeTunnel; |
| import org.onosproject.tetunnel.api.tunnel.path.TeRouteSubobject; |
| import org.slf4j.Logger; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Implementation of Te Tunnel PCE service. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class TeTunnelPceManager implements TeTunnelPceService { |
| |
| private static final Logger log = getLogger(TeTunnelPceManager.class); |
| |
| private List<TeTunnelPce> pces = Lists.newLinkedList(); |
| |
| @Activate |
| protected void activate() { |
| pces.add(0, new DefaultTeTunnelPce()); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Collection<List<TeRouteSubobject>> computePaths(TeTunnel teTunnel) { |
| TeTunnelPce pce = null; |
| synchronized (pces) { |
| for (TeTunnelPce p : pces) { |
| if (p.isSuitable(teTunnel)) { |
| pce = p; |
| } |
| } |
| } |
| if (pce != null) { |
| return pce.computePaths(teTunnel); |
| } else { |
| return ImmutableList.of(); |
| } |
| } |
| |
| @Override |
| public Collection<List<TeRouteSubobject>> computePaths(TeTunnel teTunnel, |
| TeTunnelPce pce) { |
| return pce == null ? null : pce.computePaths(teTunnel); |
| } |
| |
| @Override |
| public void registerPce(TeTunnelPce pce) { |
| synchronized (pces) { |
| int index = 0; |
| while (pces.get(index).getPriority() > pce.getPriority()) { |
| index++; |
| } |
| |
| pces.add(index, pce); |
| } |
| } |
| } |