| /* |
| * Copyright 2014 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.onlab.onos.cli.net; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.karaf.shell.commands.Command; |
| import org.apache.karaf.shell.commands.Option; |
| import org.onlab.onos.cli.AbstractShellCommand; |
| import org.onlab.onos.net.topology.Topology; |
| import org.onlab.onos.net.topology.TopologyProvider; |
| import org.onlab.onos.net.topology.TopologyService; |
| |
| /** |
| * Lists summary of the current topology. |
| */ |
| @Command(scope = "onos", name = "topology", |
| description = "Lists summary of the current topology") |
| public class TopologyCommand extends AbstractShellCommand { |
| |
| // TODO: format the time-stamp |
| private static final String FMT = |
| "time=%s, devices=%d, links=%d, clusters=%d, paths=%d"; |
| |
| @Option(name = "-r", aliases = "--recompute", description = "Trigger topology re-computation", |
| required = false, multiValued = false) |
| private boolean recompute = false; |
| |
| protected TopologyService service; |
| protected Topology topology; |
| |
| /** |
| * Initializes the context for all cluster commands. |
| */ |
| protected void init() { |
| service = get(TopologyService.class); |
| topology = service.currentTopology(); |
| } |
| |
| @Override |
| protected void execute() { |
| init(); |
| if (recompute) { |
| get(TopologyProvider.class).triggerRecompute(); |
| |
| } else if (outputJson()) { |
| print("%s", new ObjectMapper().createObjectNode() |
| .put("time", topology.time()) |
| .put("deviceCount", topology.deviceCount()) |
| .put("linkCount", topology.linkCount()) |
| .put("clusterCount", topology.clusterCount()) |
| .put("pathCount", topology.pathCount())); |
| } else { |
| print(FMT, topology.time(), topology.deviceCount(), topology.linkCount(), |
| topology.clusterCount(), topology.pathCount()); |
| } |
| } |
| |
| } |