/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2010-2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.netmgt.provision.service;
import static org.opennms.core.utils.InetAddressUtils.str;
import static org.opennms.core.utils.LogUtils.infof;
import java.net.InetAddress;
import java.util.Collection;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.opennms.core.tasks.Async;
import org.opennms.core.tasks.BatchTask;
import org.opennms.core.tasks.Callback;
import org.opennms.core.tasks.RunInBatch;
import org.opennms.core.tasks.Task;
import org.opennms.netmgt.provision.AsyncServiceDetector;
import org.opennms.netmgt.provision.ServiceDetector;
import org.opennms.netmgt.provision.SyncServiceDetector;
/**
* <p>IpInterfaceScan class.</p>
*
* @author ranger
* @version $Id: $
*/
public class IpInterfaceScan implements RunInBatch {
private ProvisionService m_provisionService;
private InetAddress m_address;
private Integer m_nodeId;
private String m_foreignSource;
/**
* <p>Constructor for IpInterfaceScan.</p>
*
* @param nodeId a {@link java.lang.Integer} object.
* @param address a {@link java.net.InetAddress} object.
* @param foreignSource a {@link java.lang.String} object.
* @param provisionService a {@link org.opennms.netmgt.provision.service.ProvisionService} object.
*/
public IpInterfaceScan(final Integer nodeId, final InetAddress address, final String foreignSource, final ProvisionService provisionService) {
m_nodeId = nodeId;
m_address = address;
m_foreignSource = foreignSource;
m_provisionService = provisionService;
}
/**
* <p>getForeignSource</p>
*
* @return a {@link java.lang.String} object.
*/
public String getForeignSource() {
return m_foreignSource;
}
/**
* <p>getNodeId</p>
*
* @return a {@link java.lang.Integer} object.
*/
public Integer getNodeId() {
return m_nodeId;
}
/**
* <p>getAddress</p>
*
* @return a {@link java.net.InetAddress} object.
*/
public InetAddress getAddress() {
return m_address;
}
/**
* <p>getProvisionService</p>
*
* @return a {@link org.opennms.netmgt.provision.service.ProvisionService} object.
*/
public ProvisionService getProvisionService() {
return m_provisionService;
}
/**
* <p>toString</p>
*
* @return a {@link java.lang.String} object.
*/
public String toString() {
return new ToStringBuilder(this)
.append("address", m_address)
.append("foreign source", m_foreignSource)
.append("node ID", m_nodeId)
.toString();
}
/**
* <p>servicePersister</p>
*
* @param currentPhase a {@link org.opennms.core.tasks.BatchTask} object.
* @param serviceName a {@link java.lang.String} object.
* @return a {@link org.opennms.core.tasks.Callback} object.
*/
public Callback<Boolean> servicePersister(final BatchTask currentPhase, final String serviceName) {
return new Callback<Boolean>() {
public void complete(final Boolean serviceDetected) {
final String hostAddress = str(getAddress());
infof(this, "Attempted to detect service %s on address %s: %s", serviceName, hostAddress, serviceDetected);
if (serviceDetected) {
currentPhase.getBuilder().addSequence(
new RunInBatch() {
public void run(final BatchTask batch) {
if ("SNMP".equals(serviceName)) {
setupAgentInfo(currentPhase);
}
}
},
new RunInBatch() {
public void run(final BatchTask batch) {
getProvisionService().addMonitoredService(getNodeId(), hostAddress, serviceName);
}
});
}
getProvisionService().updateMonitoredServiceState(getNodeId(), hostAddress, serviceName); // NMS-3906
}
public void handleException(final Throwable t) {
infof(this, t, "Exception occurred while trying to detect service %s on address %s", serviceName, str(getAddress()));
}
};
}
Runnable runDetector(final SyncServiceDetector detector, final Callback<Boolean> cb) {
return new Runnable() {
public void run() {
try {
infof(this, "Attemping to detect service %s on address %s", detector.getServiceName(), str(getAddress()));
cb.complete(detector.isServiceDetected(getAddress()));
} catch (final Throwable t) {
cb.handleException(t);
} finally {
detector.dispose();
}
}
@Override
public String toString() {
return String.format("Run detector %s on address %s", detector.getServiceName(), str(getAddress()));
}
};
}
Async<Boolean> runDetector(final AsyncServiceDetector detector) {
return new AsyncDetectorRunner(this, detector);
}
Task createDetectorTask(final BatchTask currentPhase, final ServiceDetector detector) {
if (detector instanceof SyncServiceDetector) {
return createSyncDetectorTask(currentPhase, (SyncServiceDetector) detector);
} else {
return createAsyncDetectorTask(currentPhase, (AsyncServiceDetector) detector);
}
}
private Task createAsyncDetectorTask(final BatchTask currentPhase, final AsyncServiceDetector asyncDetector) {
return currentPhase.getCoordinator().createTask(currentPhase, runDetector(asyncDetector), servicePersister(currentPhase, asyncDetector.getServiceName()));
}
private Task createSyncDetectorTask(final BatchTask currentPhase, final SyncServiceDetector syncDetector) {
return currentPhase.getCoordinator().createTask(currentPhase, runDetector(syncDetector, servicePersister(currentPhase, syncDetector.getServiceName())));
}
/** {@inheritDoc} */
public void run(final BatchTask currentPhase) {
final Collection<ServiceDetector> detectors = getProvisionService().getDetectorsForForeignSource(getForeignSource() == null ? "default" : getForeignSource());
infof(this, "Detecting services for node %d/%s on address %s: found %d detectors", getNodeId(), getForeignSource(), str(getAddress()), detectors.size());
for (final ServiceDetector detector : detectors) {
currentPhase.add(createDetectorTask(currentPhase, detector));
}
}
private void setupAgentInfo(final BatchTask currentphase) {
getProvisionService().setIsPrimaryFlag(getNodeId(), str(getAddress()));
}
}