| /* |
| * 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.segmentrouting.cli; |
| |
| |
| import java.util.Map; |
| |
| import org.apache.karaf.shell.api.action.Command; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.segmentrouting.EcmpShortestPathGraph; |
| import org.onosproject.segmentrouting.SegmentRoutingService; |
| |
| /** |
| * Command to read the current state of the ECMP shortest-path graph. |
| * |
| */ |
| @Service |
| @Command(scope = "onos", name = "sr-ecmp-spg", |
| description = "Displays the current ecmp shortest-path-graph in this " |
| + "controller instance") |
| public class EcmpGraphCommand extends AbstractShellCommand { |
| |
| private static final String FORMAT_MAPPING = " %s"; |
| |
| @Override |
| protected void doExecute() { |
| SegmentRoutingService srService = |
| AbstractShellCommand.get(SegmentRoutingService.class); |
| printEcmpGraph(srService.getCurrentEcmpSpg()); |
| } |
| |
| private void printEcmpGraph(Map<DeviceId, EcmpShortestPathGraph> currentEcmpSpg) { |
| if (currentEcmpSpg == null) { |
| print(FORMAT_MAPPING, "No ECMP graph found"); |
| return; |
| } |
| StringBuilder ecmp = new StringBuilder(); |
| currentEcmpSpg.forEach((key, value) -> { |
| ecmp.append("\n\nRoot Device: " + key + " ECMP Paths: " + value); |
| }); |
| print(FORMAT_MAPPING, ecmp.toString()); |
| } |
| } |