| /* |
| * Copyright 2015-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.provider.nil.cli; |
| |
| import org.apache.karaf.shell.commands.Argument; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.provider.nil.CustomTopologySimulator; |
| import org.onosproject.provider.nil.NullProviders; |
| import org.onosproject.provider.nil.TopologySimulator; |
| |
| import static org.onosproject.cli.StartStopCompleter.START; |
| |
| /** |
| * Starts or stops topology simulation. |
| */ |
| @Command(scope = "onos", name = "null-simulation", |
| description = "Starts or stops topology simulation") |
| public class NullControlCommand extends AbstractShellCommand { |
| |
| private static final String CUSTOM = "custom"; |
| |
| @Argument(index = 0, name = "cmd", description = "Control command: start/stop", |
| required = true, multiValued = false) |
| String cmd = null; |
| |
| @Argument(index = 1, name = "topoShape", |
| description = "Topology shape: e.g. configured, linear, reroute, " + |
| "centipede, tree, spineleaf, mesh, fattree, custom", |
| required = false, multiValued = false) |
| String topoShape = null; |
| |
| @Override |
| protected void execute() { |
| ComponentConfigService service = get(ComponentConfigService.class); |
| if (topoShape != null) { |
| service.setProperty(NullProviders.class.getName(), "topoShape", topoShape); |
| } |
| service.setProperty(NullProviders.class.getName(), "enabled", |
| cmd.equals(START) ? "true" : "false"); |
| |
| // If we are re-starting the "custom" topology, reset the counts |
| // on the auto-assigned IDs for null-devices and null-hosts, so that |
| // scripts can rely on consistent assignment of IDs to nodes. |
| if (CUSTOM.equals(topoShape) && START.equals(cmd)) { |
| NullProviders npService = get(NullProviders.class); |
| TopologySimulator simulator = npService.currentSimulator(); |
| if (simulator instanceof CustomTopologySimulator) { |
| CustomTopologySimulator sim = (CustomTopologySimulator) simulator; |
| sim.resetIdSeeds(); |
| } |
| } |
| } |
| |
| } |