| /* |
| * 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.cli.net; |
| |
| import org.apache.karaf.shell.commands.Argument; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onlab.osgi.ServiceNotFoundException; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| |
| /** |
| * Clear flow objective that are waiting for the completion of previous objective with the same key. |
| */ |
| @Command(scope = "onos", name = "obj-clear-queues", |
| description = "Force empty flow objective queues and invalidate flow objective caches") |
| public class FlowObjectiveQueueClearCommand extends AbstractShellCommand { |
| |
| private static final String CONFIRM_PHRASE = "please"; |
| @Argument(name = "confirm", description = "Confirmation phrase") |
| private String please = null; |
| |
| @Override |
| protected void execute() { |
| if (please == null || !please.equals(CONFIRM_PHRASE)) { |
| print("WARNING: System may enter an unpredictable state if the flow obj queues are force emptied." + |
| "Enter confirmation phrase to continue."); |
| return; |
| } |
| |
| try { |
| FlowObjectiveService service = get(FlowObjectiveService.class); |
| service.clearQueue(); |
| } catch (ServiceNotFoundException e) { |
| print("FlowObjectiveService unavailable"); |
| } |
| } |
| |
| } |