fish.payara.notification.snmp.SnmpNotifierService Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2016-2017] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package fish.payara.notification.snmp;
import com.google.common.eventbus.Subscribe;
import fish.payara.notification.snmp.exception.InvalidSnmpVersion;
import fish.payara.nucleus.notification.configuration.NotifierType;
import fish.payara.nucleus.notification.configuration.SnmpNotifier;
import fish.payara.nucleus.notification.service.QueueBasedNotifierService;
import org.glassfish.api.StartupRunLevel;
import org.glassfish.api.event.EventTypes;
import org.glassfish.hk2.runlevel.RunLevel;
import org.jvnet.hk2.annotations.Service;
import org.snmp4j.CommunityTarget;
import org.snmp4j.PDU;
import org.snmp4j.Snmp;
import org.snmp4j.TransportMapping;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.smi.*;
import org.snmp4j.transport.DefaultUdpTransportMapping;
import org.snmp4j.util.DefaultPDUFactory;
import java.io.IOException;
import java.util.concurrent.ScheduledFuture;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* @author mertcaliskan
*/
@Service(name = "service-snmp")
@RunLevel(StartupRunLevel.VAL)
public class SnmpNotifierService extends QueueBasedNotifierService {
private static Logger logger = Logger.getLogger(SnmpNotifierService.class.getCanonicalName());
static final String ADDRESS_SEPARATOR = "/";
static final String version1 = "v1";
static final String version2c = "v2c";
private Snmp snmp;
private SnmpNotifierConfigurationExecutionOptions execOptions;
SnmpNotifierService() {
super("snmp-message-consumer-");
}
@Override
@Subscribe
public void handleNotification(SnmpNotificationEvent event) {
if (execOptions != null && execOptions.isEnabled()) {
SnmpMessage message = new SnmpMessage(event, event.getSubject(), event.getMessage());
queue.addMessage(message);
}
}
@Override
public void bootstrap() {
register(NotifierType.SNMP, SnmpNotifier.class, SnmpNotifierConfiguration.class, this);
execOptions = (SnmpNotifierConfigurationExecutionOptions) getNotifierConfigurationExecutionOptions();
if (execOptions != null && execOptions.isEnabled()) {
try {
TransportMapping transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
CommunityTarget cTarget = new CommunityTarget();
cTarget.setCommunity(new OctetString(execOptions.getCommunity()));
int snmpVersion = decideOnSnmpVersion(execOptions.getVersion());
cTarget.setVersion(snmpVersion);
cTarget.setAddress(new UdpAddress(execOptions.getHost() + ADDRESS_SEPARATOR + execOptions.getPort()));
initializeExecutor();
scheduledFuture = scheduleExecutor(new SnmpNotificationRunnable(queue, execOptions, snmp, cTarget, snmpVersion));
}
catch (IOException e) {
logger.log(Level.SEVERE, "Error occurred while creating UDP transport", e);
}
catch (InvalidSnmpVersion invalidSnmpVersion) {
logger.log(Level.SEVERE, "Error occurred while configuring SNMP version: " + invalidSnmpVersion.getMessage());
}
}
}
@Override
public void shutdown() {
super.shutdown();
if (snmp != null) {
try {
snmp.close();
}
catch (IOException e) {
logger.log(Level.SEVERE, "Error occurred while closing SNMP connection", e);
}
}
}
static int decideOnSnmpVersion(String version) throws InvalidSnmpVersion {
switch (version) {
case version1:
return SnmpConstants.version1;
case version2c:
return SnmpConstants.version2c;
default:
throw new InvalidSnmpVersion(version);
}
}
}