Java tutorial
/* Copyright (C) 2006 NTT DATA Corporation This program 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, version 2. This program 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. */ package com.clustercontrol.snmp.factory; import java.text.DateFormat; import java.util.Date; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.snmp4j.smi.SMIConstants; import com.clustercontrol.fault.FacilityNotFound; import com.clustercontrol.fault.HinemosUnknown; import com.clustercontrol.fault.MonitorNotFound; import com.clustercontrol.monitor.run.factory.RunMonitor; import com.clustercontrol.monitor.run.factory.RunMonitorNumericValueType; import com.clustercontrol.repository.model.NodeInfo; import com.clustercontrol.repository.session.RepositoryControllerBean; import com.clustercontrol.monitor.bean.ConvertValueConstant; import com.clustercontrol.snmp.factory.MonitorSnmpCache.MonitorSnmpValue; import com.clustercontrol.snmp.factory.MonitorSnmpCache.MonitorSnmpValuePK; import com.clustercontrol.snmp.model.SnmpCheckInfo; import com.clustercontrol.snmp.util.QueryUtil; import com.clustercontrol.snmp.util.RequestSnmp4j; import com.clustercontrol.snmp.util.SnmpProperties; import com.clustercontrol.util.HinemosTime; import com.clustercontrol.util.MessageConstant; /** * SNMP ?<BR> * * @version 4.0.0 * @since 2.0.0 */ public class RunMonitorSnmp extends RunMonitorNumericValueType { private static Log m_log = LogFactory.getLog(RunMonitorSnmp.class); /** SNMP */ private SnmpCheckInfo m_snmp = null; /** OID */ private String m_snmpOid = null; /** ?? */ private int m_convertFlg = 0; /** */ private String m_messageOrg = null; /** */ private String m_message = ""; /** * * */ public RunMonitorSnmp() { super(); } /** * ???CallableTask??????? * * @see com.clustercontrol.monitor.run.factory.RunMonitor#runMonitorInfo() * @see com.clustercontrol.monitor.run.util.MonitorExecuteTask */ @Override protected RunMonitor createMonitorInstance() { return new RunMonitorSnmp(); } /** * OID? * * @param facilityId ID * @return ???????true * @throws HinemosUnknown */ @Override public boolean collect(String facilityId) throws HinemosUnknown { if (m_now != null) { m_nodeDate = m_now.getTime(); } m_value = 0; // m_message = ""; m_messageOrg = MessageConstant.OID.getMessage() + " : " + m_snmpOid; NodeInfo info = null; try { // ?? info = new RepositoryControllerBean().getNode(facilityId); } catch (FacilityNotFound e) { m_message = MessageConstant.MESSAGE_COULD_NOT_GET_NODE_ATTRIBUTES.getMessage(); m_messageOrg = m_messageOrg + " (" + e.getMessage() + ")"; resetCache(m_monitorId, facilityId); return false; } // SNMP? RequestSnmp4j m_request = new RequestSnmp4j(); m_log.debug("version=" + info.getSnmpVersion()); boolean result = false; try { result = m_request.polling(info.getAvailableIpAddress(), info.getSnmpCommunity(), info.getSnmpPort(), m_snmpOid, info.getSnmpVersion(), info.getSnmpTimeout(), info.getSnmpRetryCount(), info.getSnmpSecurityLevel(), info.getSnmpUser(), info.getSnmpAuthPassword(), info.getSnmpPrivPassword(), info.getSnmpAuthProtocol(), info.getSnmpPrivProtocol()); } catch (Exception e) { m_message = MessageConstant.MESSAGE_COULD_NOT_GET_NODE_ATTRIBUTES.getMessage(); m_messageOrg = m_message + ", " + e.getMessage() + " (" + e.getClass().getName() + ")"; if (e instanceof NumberFormatException) { m_log.warn(m_messageOrg); } else { m_log.warn(m_messageOrg, e); } resetCache(m_monitorId, facilityId); return false; } if (result) { // ?? double value = -1; try { if (m_request.getValue() == null) { m_log.debug("collect() : m_request.getValue() is null"); return false; } value = Double.parseDouble(m_request.getValue()); } catch (NumberFormatException e) { m_log.info("collect() : " + e.getClass().getSimpleName() + ", " + e.getMessage()); String[] args = { m_request.getValue() }; m_message = MessageConstant.MESSAGE_COULD_NOT_GET_NUMERIC_VALUE.getMessage(args); resetCache(m_monitorId, facilityId); return false; } catch (Exception e) { m_log.warn("collect() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e); String[] args = { m_request.getValue() }; m_message = MessageConstant.MESSAGE_COULD_NOT_GET_NUMERIC_VALUE.getMessage(args); resetCache(m_monitorId, facilityId); return false; } long date = m_request.getDate(); // ???? if (m_convertFlg == ConvertValueConstant.TYPE_NO) { m_value = value; m_nodeDate = date; } // ?? else if (m_convertFlg == ConvertValueConstant.TYPE_DELTA) { // ?? MonitorSnmpValue valueEntity = null; Double prevValue = 0d; Long prevDate = 0l; if (!m_isMonitorJob) { // ?? // cache?? valueEntity = MonitorSnmpCache.getMonitorSnmpValue(m_monitorId, facilityId); // ??? prevValue = valueEntity.getValue(); if (valueEntity.getGetDate() != null) { prevDate = valueEntity.getGetDate(); } } else { // ?? valueEntity = new MonitorSnmpValue(new MonitorSnmpValuePK(m_monitorId, facilityId)); if (m_prvData instanceof MonitorSnmpValue) { // ???? prevValue = ((MonitorSnmpValue) m_prvData).getValue(); prevDate = ((MonitorSnmpValue) m_prvData).getGetDate(); } } if (prevValue != null) { if (prevValue > value) { if (m_request.getType() == SMIConstants.SYNTAX_COUNTER32) { value += ((double) Integer.MAX_VALUE + 1) * 2; } else if (m_request.getType() == SMIConstants.SYNTAX_COUNTER64) { value += ((double) Long.MAX_VALUE + 1) * 2; } } } // SNMP???? valueEntity.setValue(Double.valueOf(value)); valueEntity.setGetDate(date); if (!m_isMonitorJob) { // ???ID????? if (m_monitor.getMonitorFlg()) MonitorSnmpCache.update(m_monitorId, facilityId, valueEntity); // ???SNMP???????? int tolerance = (m_runInterval + SnmpProperties.getProperties().getValidSecond()) * 1000; if (prevDate > date - tolerance) { // ??null??? if (prevValue == null) { m_log.debug("collect() : prevValue is null"); return false; } m_value = value - prevValue; m_nodeDate = m_request.getDate(); } else { if (prevDate != 0l) { DateFormat df = DateFormat.getDateTimeInstance(); df.setTimeZone(HinemosTime.getTimeZone()); String[] args = { df.format(new Date(prevDate)) }; m_message = MessageConstant.MESSAGE_TOO_OLD_TO_CALCULATE.getMessage(args); return false; } else { // ???0?? m_nodeDate = 0l; } } } else { m_value = value - prevValue; m_nodeDate = m_request.getDate(); m_curData = valueEntity; } } m_message = MessageConstant.SELECT_VALUE.getMessage() + " : " + m_value; } else { m_message = m_request.getMessage(); resetCache(m_monitorId, facilityId); } return result; } /* (? Javadoc) * SNMP * @see com.clustercontrol.monitor.run.factory.OperationNumericValueInfo#setMonitorAdditionInfo() */ @Override protected void setCheckInfo() throws MonitorNotFound { // SNMP? m_snmp = QueryUtil.getMonitorSnmpInfoPK(m_monitorId); // SNMP m_snmpOid = m_snmp.getSnmpOid().trim(); m_convertFlg = m_snmp.getConvertFlg().intValue(); } /* (? Javadoc) * ? * @see com.clustercontrol.monitor.run.factory.OperationMonitor#getMessage(int) */ @Override public String getMessage(int id) { return m_message; } /* (? Javadoc) * ? * @see com.clustercontrol.monitor.run.factory.OperationMonitor#getMessageOrg(int) */ @Override public String getMessageOrg(int id) { return m_messageOrg; } /** * SNMP???????????null? * @param m_monitorId ID * @param facilityId ID */ private void resetCache(String m_monitorId, String facilityId) { MonitorSnmpValue valueEntity = null; // key?????????????? if (MonitorSnmpCache.getMonitorSnmpValue(m_monitorId, facilityId) == null) return; valueEntity = new MonitorSnmpValue(new MonitorSnmpValuePK(m_monitorId, facilityId)); MonitorSnmpCache.update(m_monitorId, facilityId, valueEntity); } @Override protected String makeJobOrgMessage(String orgMsg, String msg) { String[] args = { "" }; if (m_convertFlg == ConvertValueConstant.TYPE_NO) { // ??? args[0] = MessageConstant.CONVERT_NO.getMessage(); } else if (m_convertFlg == ConvertValueConstant.TYPE_DELTA) { // ? args[0] = MessageConstant.DELTA.getMessage(); } return MessageConstant.MESSAGE_JOB_MONITOR_ORGMSG_SNMP_N.getMessage(args) + "\n" + orgMsg + "\n" + msg; } }