| /* |
| * 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.bgp.controller.impl; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import org.onosproject.bgpio.types.RouteDistinguisher; |
| import org.onosproject.bgpio.protocol.flowspec.BgpFlowSpecDetails; |
| import org.onosproject.bgpio.protocol.flowspec.BgpFlowSpecPrefix; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * Implementation of BGP flow specification RIB. |
| */ |
| public class BgpFlowSpecRib { |
| private Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> flowSpecTree = new TreeMap<>(); |
| private Map<RouteDistinguisher, Map<BgpFlowSpecPrefix, BgpFlowSpecDetails>> vpnFlowSpecTree = new TreeMap<>(); |
| |
| /** |
| * Returns the BGP flow spec info. |
| * |
| * @return BGP flow spec tree |
| */ |
| public Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> flowSpecTree() { |
| return flowSpecTree; |
| } |
| |
| /** |
| * Gets VPN flowspec tree. |
| * |
| * @return vpn flow spec tree |
| */ |
| public Map<RouteDistinguisher, Map<BgpFlowSpecPrefix, BgpFlowSpecDetails>> vpnFlowSpecTree() { |
| return vpnFlowSpecTree; |
| } |
| |
| |
| /** |
| * Update BGP flow spec details. |
| * |
| * @param prefix prefix Info |
| * @param flowSpec BGP flow specifications details |
| */ |
| public void add(BgpFlowSpecPrefix prefix, BgpFlowSpecDetails flowSpec) { |
| if (flowSpecTree.containsKey(prefix)) { |
| flowSpecTree.replace(prefix, flowSpec); |
| } else { |
| flowSpecTree.put(prefix, flowSpec); |
| } |
| } |
| |
| /** |
| * Removes flow spec. |
| * |
| * @param flowSpec BGP flow specification |
| */ |
| public void delete(BgpFlowSpecPrefix flowSpec) { |
| if (flowSpecTree.containsKey(flowSpec)) { |
| flowSpecTree.remove(flowSpec); |
| } |
| } |
| |
| /** |
| * Update BGP flow spec details with routedistinguisher. |
| * |
| * @param routeDistinguisher route distinguisher |
| * @param prefix prefix Info |
| * @param flowSpec BGP flow specifications details |
| */ |
| public void add(RouteDistinguisher routeDistinguisher, BgpFlowSpecPrefix prefix, BgpFlowSpecDetails flowSpec) { |
| Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> fsTree; |
| if (!vpnFlowSpecTree.containsKey(routeDistinguisher)) { |
| |
| fsTree = new TreeMap<>(); |
| |
| vpnFlowSpecTree.put(routeDistinguisher, fsTree); |
| } else { |
| fsTree = vpnFlowSpecTree().get(routeDistinguisher); |
| } |
| if (fsTree.containsKey(prefix)) { |
| fsTree.replace(prefix, flowSpec); |
| } else { |
| fsTree.put(prefix, flowSpec); |
| } |
| } |
| |
| /** |
| * Removes flow spec. |
| * |
| * @param routeDistinguisher route distinguisher |
| * @param flowSpecPrefix BGP flow specification prefix |
| */ |
| public void delete(RouteDistinguisher routeDistinguisher, BgpFlowSpecPrefix flowSpecPrefix) { |
| if (vpnFlowSpecTree.containsKey(routeDistinguisher)) { |
| Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> fsTree = vpnFlowSpecTree().get(routeDistinguisher); |
| fsTree.remove(flowSpecPrefix); |
| if (fsTree.size() == 0) { |
| vpnFlowSpecTree.remove(routeDistinguisher); |
| } |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .omitNullValues() |
| .add("flowSpecTree", flowSpecTree) |
| .add("vpnFlowSpecTree", vpnFlowSpecTree) |
| .toString(); |
| } |
| } |