/*
* 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.ngrinder.perftest.service.monitor;
import org.apache.commons.io.IOUtils;
import org.ngrinder.infra.schedule.ScheduledTaskService;
import org.ngrinder.monitor.share.domain.SystemInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
/**
* Used to save JMX connect for every request that want to observe monitor real-time system information.
*/
@Service
public class MonitorInfoStore implements Runnable {
private static final Logger LOGGER = LoggerFactory.getLogger(MonitorInfoStore.class);
@Autowired
private ScheduledTaskService scheduledTaskService;
private Map<String, MonitorClientService> monitorClientMap = new ConcurrentHashMap<String, MonitorClientService>();
@PostConstruct
public void init() {
scheduledTaskService.addFixedDelayedScheduledTask(this, 30000);
}
/**
* Get monitor data from mbean client.
*
* @param ip ip
* @param port port
* @return {@link org.ngrinder.monitor.share.domain.SystemInfo}
*/
public SystemInfo getSystemInfo(String ip, int port) {
MonitorClientService monitorClient = monitorClientMap.get(ip);
if (monitorClient == null) {
monitorClient = new MonitorClientService(ip, port);
monitorClient.init();
IOUtils.closeQuietly(monitorClientMap.put(ip, monitorClient));
}
monitorClient.update();
monitorClient.setLastAccessedTime(System.currentTimeMillis());
return monitorClient.getSystemInfo();
}
/**
* Delete the unused monitor clients periodically.
*/
public void run() {
for (Entry<String, MonitorClientService> each : monitorClientMap.entrySet()) {
if ((System.currentTimeMillis() - each.getValue().getLastAccessedTime()) > 30000) {
close(each.getKey());
LOGGER.info("Remove unused monitor {}", each.getKey());
}
}
}
/**
* Close mbean client connected to the given ip.
*
* @param ip ip
*/
public void close(String ip) {
IOUtils.closeQuietly(monitorClientMap.remove(ip));
}
}