Java tutorial
/******************************************************************************* * This file is part of OpenNMS(R). * * Copyright (C) 2009-2011 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.snmpinterfacepoller; import static org.opennms.core.utils.InetAddressUtils.addr; import static org.opennms.core.utils.InetAddressUtils.str; import java.util.Date; import java.util.List; import org.hibernate.criterion.Restrictions; import org.opennms.core.utils.ThreadCategory; import org.opennms.netmgt.EventConstants; import org.opennms.netmgt.dao.IpInterfaceDao; import org.opennms.netmgt.dao.SnmpInterfaceDao; import org.opennms.netmgt.model.OnmsCriteria; import org.opennms.netmgt.model.OnmsIpInterface; import org.opennms.netmgt.model.OnmsSnmpInterface; import org.opennms.netmgt.model.events.EventBuilder; import org.opennms.netmgt.model.events.EventIpcManager; import org.opennms.netmgt.snmpinterfacepoller.pollable.PollContext; import org.opennms.netmgt.xml.event.Event; /** * Represents a DefaultPollContext * * @author <a href="mailto:antonio@opennms.it">Antonio Russo</a> * @version $Id: $ */ public class DefaultPollContext implements PollContext { private volatile EventIpcManager m_eventManager; private volatile String m_name; private volatile String m_localHostName; private SnmpInterfaceDao m_snmpInterfaceDao; private IpInterfaceDao m_ipInterfaceDao; private String m_serviceName = "SNMP"; /** * <p>getIpInterfaceDao</p> * * @return a {@link org.opennms.netmgt.dao.IpInterfaceDao} object. */ public IpInterfaceDao getIpInterfaceDao() { return m_ipInterfaceDao; } /** * <p>setIpInterfaceDao</p> * * @param ipInterfaceDao a {@link org.opennms.netmgt.dao.IpInterfaceDao} object. */ public void setIpInterfaceDao(IpInterfaceDao ipInterfaceDao) { m_ipInterfaceDao = ipInterfaceDao; } /** * <p>getSnmpInterfaceDao</p> * * @return a {@link org.opennms.netmgt.dao.SnmpInterfaceDao} object. */ public SnmpInterfaceDao getSnmpInterfaceDao() { return m_snmpInterfaceDao; } /** * <p>setSnmpInterfaceDao</p> * * @param snmpInterfaceDao a {@link org.opennms.netmgt.dao.SnmpInterfaceDao} object. */ public void setSnmpInterfaceDao(SnmpInterfaceDao snmpInterfaceDao) { m_snmpInterfaceDao = snmpInterfaceDao; } /** * <p>getEventManager</p> * * @return a {@link org.opennms.netmgt.model.events.EventIpcManager} object. */ public EventIpcManager getEventManager() { return m_eventManager; } /** * <p>setEventManager</p> * * @param eventManager a {@link org.opennms.netmgt.model.events.EventIpcManager} object. */ public void setEventManager(EventIpcManager eventManager) { m_eventManager = eventManager; } /** * <p>setLocalHostName</p> * * @param localHostName a {@link java.lang.String} object. */ public void setLocalHostName(String localHostName) { m_localHostName = localHostName; } /** * <p>getLocalHostName</p> * * @return a {@link java.lang.String} object. */ public String getLocalHostName() { return m_localHostName; } /** * <p>getName</p> * * @return a {@link java.lang.String} object. */ public String getName() { return m_name; } /** * <p>setName</p> * * @param name a {@link java.lang.String} object. */ public void setName(String name) { m_name = name; } /* (non-Javadoc) * @see org.opennms.netmgt.poller.pollables.PollContext#getCriticalServiceName() */ /** * <p>getServiceName</p> * * @return a {@link java.lang.String} object. */ public String getServiceName() { return m_serviceName; } /** {@inheritDoc} */ public void setServiceName(String serviceName) { m_serviceName = serviceName; } /* (non-Javadoc) * @see org.opennms.netmgt.poller.pollables.PollContext#sendEvent(org.opennms.netmgt.xml.event.Event) */ /** {@inheritDoc} */ public void sendEvent(Event event) { getEventManager().sendNow(event); } ThreadCategory log() { return ThreadCategory.getInstance(getClass()); } /* (non-Javadoc) * @see org.opennms.netmgt.poller.pollables.PollContext#createEvent(java.lang.String, int, java.net.InetAddress, java.lang.String, java.util.Date) */ /** {@inheritDoc} */ public Event createEvent(String uei, int nodeId, String address, Date date, OnmsSnmpInterface snmpinterface) { log().debug("createEvent: uei = " + uei + " nodeid = " + nodeId + " date = " + date); EventBuilder bldr = new EventBuilder(uei, this.getName(), date); bldr.setNodeid(nodeId); if (address != null) { bldr.setInterface(addr(address)); } bldr.setService(getServiceName()); bldr.setHost(this.getLocalHostName()); bldr.setField("ifIndex", snmpinterface.getIfIndex().toString()); bldr.addParam(EventConstants.PARM_SNMP_INTERFACE_IFINDEX, snmpinterface.getIfIndex().toString()); if (snmpinterface.getIfName() != null) bldr.addParam(EventConstants.PARM_SNMP_INTERFACE_NAME, snmpinterface.getIfName()); if (snmpinterface.getIfDescr() != null) bldr.addParam(EventConstants.PARM_SNMP_INTERFACE_DESC, snmpinterface.getIfDescr()); if (snmpinterface.getIfAlias() != null) bldr.addParam(EventConstants.PARM_SNMP_INTERFACE_ALIAS, snmpinterface.getIfAlias()); if (snmpinterface.getNetMask() != null) bldr.addParam(EventConstants.PARM_SNMP_INTERFACE_MASK, str(snmpinterface.getNetMask())); return bldr.getEvent(); } /** {@inheritDoc} */ public List<OnmsSnmpInterface> get(int nodeId, String criteria) { final OnmsCriteria onmsCriteria = new OnmsCriteria(OnmsSnmpInterface.class); onmsCriteria.add(Restrictions.sqlRestriction(criteria + " and nodeid = " + nodeId + "and snmppoll = 'P'")); return getSnmpInterfaceDao().findMatching(onmsCriteria); } /** {@inheritDoc} */ public void update(OnmsSnmpInterface snmpinterface) { OnmsSnmpInterface dbSnmpInterface = getSnmpInterfaceDao() .findByNodeIdAndIfIndex(snmpinterface.getNode().getId(), snmpinterface.getIfIndex()); if (dbSnmpInterface == null) { log().debug("updating SnmpInterface: no interface found on db for: " + snmpinterface.toString()); } else { dbSnmpInterface.setIfOperStatus(snmpinterface.getIfOperStatus()); dbSnmpInterface.setIfAdminStatus(snmpinterface.getIfAdminStatus()); dbSnmpInterface.setLastSnmpPoll(snmpinterface.getLastSnmpPoll()); log().debug("updating SnmpInterface: " + dbSnmpInterface.toString()); getSnmpInterfaceDao().update(dbSnmpInterface); } } @Override public List<OnmsIpInterface> getPollableNodesByIp(String ipaddr) { final OnmsCriteria criteria = new OnmsCriteria(OnmsIpInterface.class); criteria.add(Restrictions .sqlRestriction(" ipaddr = '" + ipaddr + "' and issnmpprimary = 'P' and ismanaged='M'")); return getIpInterfaceDao().findMatching(criteria); } @Override public List<OnmsIpInterface> getPollableNodes() { final OnmsCriteria criteria = new OnmsCriteria(OnmsIpInterface.class); criteria.add(Restrictions.sqlRestriction("issnmpprimary = 'P' and ismanaged='M'")); return getIpInterfaceDao().findMatching(criteria); } }