ControlPlaneManager.java
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/*
* Copyright 2015-2016 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.cpman;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Modified;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.onlab.metrics.MetricsService;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.device.DeviceService;
import org.slf4j.Logger;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Control plane management application.
*/
@Component(immediate = true)
public class ControlPlaneManager {
private final Logger log = getLogger(getClass());
private Set<ControlMetricsObserver> controlMetricsObservers = new HashSet<>();
private ControlMetricsObserver cpObserver;
private ApplicationId appId;
private ControlMetricsFactory cmf;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DeviceService deviceService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected CoreService coreService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected MetricsService metricsService;
@Activate
public void activate() {
appId = coreService.registerApplication("org.onosproject.cpman");
cmf = ControlMetricsFactory.getInstance(metricsService, deviceService);
// currently disable monitoring by default
// cmf.startMonitor();
registerObserver();
log.info("Started");
}
@Deactivate
public void deactivate() {
unregisterObserver();
cmf.stopMonitor();
log.info("Stopped");
}
@Modified
public void modified() {
}
private void registerObserver() {
cpObserver = new DefaultControlMetricsObserver();
this.addControlMetricsObserver(cpObserver);
}
private void unregisterObserver() {
this.removeControlMetricsObserver(cpObserver);
}
private void executeMonitorTask() {
// TODO: execute monitoring task with 1 minute period
if (cmf.isMonitor()) {
controlMetricsObservers.forEach(observer -> {
// only OpenFlow messages are spontaneously monitored with
// 1 minute period. Other system metrics will be pushed from
// external monitoring agent through REST API
// feed the control message stats
cmf.getDeviceIds().forEach(v -> {
observer.feedMetrics(cmf.inboundPacket(v), Optional.of(v));
observer.feedMetrics(cmf.outboundPacket(v), Optional.of(v));
observer.feedMetrics(cmf.flowmodPacket(v), Optional.of(v));
observer.feedMetrics(cmf.flowrmvPacket(v), Optional.of(v));
observer.feedMetrics(cmf.requestPacket(v), Optional.of(v));
observer.feedMetrics(cmf.replyPacket(v), Optional.of(v));
});
});
}
}
/**
* Adds a new control metrics observer.
*
* @param cmObserver control metric observer instance
*/
public void addControlMetricsObserver(ControlMetricsObserver cmObserver) {
controlMetricsObservers.add(cmObserver);
}
/**
* Removes an existing control metrics observer.
*
* @param cmObserver control metric observer instance
*/
public void removeControlMetricsObserver(ControlMetricsObserver cmObserver) {
controlMetricsObservers.remove(cmObserver);
}
}