| /* |
| * Copyright 2018-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 org.apache.karaf.shell.commands.Command; |
| import org.apache.karaf.shell.commands.Option; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.mcast.cli.McastGroupCompleter; |
| import org.onosproject.segmentrouting.SegmentRoutingService; |
| |
| import java.util.Map; |
| |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| |
| /** |
| * Command to show the mcast leaders of the groups. |
| */ |
| @Command(scope = "onos", name = "sr-mcast-leader", |
| description = "Lists all mcast leaders") |
| public class McastLeaderListCommand extends AbstractShellCommand { |
| |
| // OSGi workaround to introduce package dependency |
| McastGroupCompleter completer; |
| |
| // Format for group line |
| private static final String G_FORMAT_MAPPING = "group=%s, leader=%s"; |
| |
| @Option(name = "-gAddr", aliases = "--groupAddress", |
| description = "IP Address of the multicast group", |
| valueToShowInHelp = "224.0.0.0", |
| required = false, multiValued = false) |
| String gAddr = null; |
| |
| @Override |
| protected void execute() { |
| // Verify mcast group |
| IpAddress mcastGroup = null; |
| if (!isNullOrEmpty(gAddr)) { |
| mcastGroup = IpAddress.valueOf(gAddr); |
| } |
| // Get SR service |
| SegmentRoutingService srService = get(SegmentRoutingService.class); |
| // Get the mapping |
| Map<IpAddress, NodeId> keyToRole = srService.getMcastLeaders(mcastGroup); |
| // And print local cache |
| keyToRole.forEach(this::printMcastLeder); |
| } |
| |
| private void printMcastLeder(IpAddress mcastGroup, |
| NodeId nodeId) { |
| print(G_FORMAT_MAPPING, mcastGroup, nodeId); |
| } |
| |
| } |