blob: 9706e0ef17ffaf27babae926bf72ffc33adf8d7a [file] [log] [blame]
/*
* 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);
}
}
}