| /* |
| * Copyright 2015 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.cli.net; |
| |
| import java.util.Map; |
| |
| import org.apache.karaf.shell.commands.Command; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.store.service.StorageAdminService; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| /** |
| * Command to list the various counters in the system. |
| */ |
| @Command(scope = "onos", name = "counters", |
| description = "Lists information about atomic counters in the system") |
| public class CountersListCommand extends AbstractShellCommand { |
| |
| private static final String FMT = "name=%s value=%d"; |
| |
| /** |
| * Displays counters as text. |
| * |
| * @param counters counter info |
| */ |
| private void displayCounters(Map<String, Long> counters) { |
| counters.forEach((name, value) -> print(FMT, name, value)); |
| } |
| |
| /** |
| * Converts info for counters into a JSON object. |
| * |
| * @param counters counter info |
| */ |
| private JsonNode json(Map<String, Long> counters) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode jsonCounters = mapper.createArrayNode(); |
| |
| // Create a JSON node for each counter |
| counters.forEach((name, value) -> { |
| ObjectNode jsonCounter = mapper.createObjectNode(); |
| jsonCounter.put("name", name) |
| .put("value", value); |
| jsonCounters.add(jsonCounter); |
| }); |
| |
| return jsonCounters; |
| } |
| |
| @Override |
| protected void execute() { |
| StorageAdminService storageAdminService = get(StorageAdminService.class); |
| Map<String, Long> counters = storageAdminService.getCounters(); |
| if (outputJson()) { |
| print("%s", json(counters)); |
| } else { |
| displayCounters(counters); |
| } |
| } |
| } |