| /* |
| * Copyright 2016-present 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.actn.mdsc.pce; |
| |
| import org.onosproject.tetunnel.api.tunnel.TeTunnel; |
| import org.onosproject.tetunnel.api.tunnel.path.TeRouteSubobject; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * PCE which calculates paths for TE tunnels. |
| */ |
| public interface TeTunnelPce { |
| |
| static final int PRIORITY_HIGHEST = 255; |
| static final int PRIORITY_HIGH = PRIORITY_HIGHEST * 3 / 4; |
| static final int PRIORITY_MEDIUM = PRIORITY_HIGHEST / 2; |
| static final int PRIORITY_LOW = PRIORITY_HIGHEST / 4; |
| static final int PRIORITY_LOWEST = 0; |
| |
| /** |
| * Returns priority of this PCE. |
| * |
| * @return priority of this PCE |
| */ |
| int getPriority(); |
| |
| /** |
| * Signifies whether this PCE is suitable for the specified TE tunnel. |
| * |
| * @param teTunnel tunnel to check |
| * @return true if this PCE can calculate path for the TE tunnel |
| */ |
| boolean isSuitable(TeTunnel teTunnel); |
| |
| /** |
| * Calculates available paths for the specified TE tunnel. |
| * |
| * @param teTunnel tunnel information to be calculated |
| * @return available paths for the specified TE tunnel |
| */ |
| Collection<List<TeRouteSubobject>> computePaths(TeTunnel teTunnel); |
| } |