| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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.apache.cloudstack.alert.snmp; |
| |
| import java.util.Date; |
| import java.util.StringTokenizer; |
| |
| import org.apache.log4j.EnhancedPatternLayout; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| public class SnmpEnhancedPatternLayout extends EnhancedPatternLayout { |
| private String _pairDelimiter = "//"; |
| private String _keyValueDelimiter = "::"; |
| |
| private static final int LENGTH_OF_STRING_MESSAGE_AND_KEY_VALUE_DELIMITER = 9; |
| private static final int LENGTH_OF_STRING_MESSAGE = 8; |
| |
| public String getKeyValueDelimeter() { |
| return _keyValueDelimiter; |
| } |
| |
| public void setKeyValueDelimiter(String keyValueDelimiter) { |
| this._keyValueDelimiter = keyValueDelimiter; |
| } |
| |
| public String getPairDelimiter() { |
| return _pairDelimiter; |
| } |
| |
| public void setPairDelimiter(String pairDelimiter) { |
| this._pairDelimiter = pairDelimiter; |
| } |
| |
| public SnmpTrapInfo parseEvent(LoggingEvent event) { |
| SnmpTrapInfo snmpTrapInfo = null; |
| |
| final String message = event.getRenderedMessage(); |
| if (message.contains("alertType") && message.contains("message")) { |
| snmpTrapInfo = new SnmpTrapInfo(); |
| final StringTokenizer messageSplitter = new StringTokenizer(message, _pairDelimiter); |
| while (messageSplitter.hasMoreTokens()) { |
| final String pairToken = messageSplitter.nextToken(); |
| final StringTokenizer pairSplitter = new StringTokenizer(pairToken, _keyValueDelimiter); |
| String keyToken; |
| String valueToken; |
| |
| if (pairSplitter.hasMoreTokens()) { |
| keyToken = pairSplitter.nextToken().trim(); |
| } else { |
| break; |
| } |
| |
| if (pairSplitter.hasMoreTokens()) { |
| valueToken = pairSplitter.nextToken().trim(); |
| } else { |
| break; |
| } |
| |
| if (keyToken.equalsIgnoreCase("alertType") && !valueToken.equalsIgnoreCase("null")) { |
| snmpTrapInfo.setAlertType(Short.parseShort(valueToken)); |
| } else if (keyToken.equalsIgnoreCase("dataCenterId") && !valueToken.equalsIgnoreCase("null")) { |
| snmpTrapInfo.setDataCenterId(Long.parseLong(valueToken)); |
| } else if (keyToken.equalsIgnoreCase("podId") && !valueToken.equalsIgnoreCase("null")) { |
| snmpTrapInfo.setPodId(Long.parseLong(valueToken)); |
| } else if (keyToken.equalsIgnoreCase("clusterId") && !valueToken.equalsIgnoreCase("null")) { |
| snmpTrapInfo.setClusterId(Long.parseLong(valueToken)); |
| } else if (keyToken.equalsIgnoreCase("message") && !valueToken.equalsIgnoreCase("null")) { |
| snmpTrapInfo.setMessage(getSnmpMessage(message)); |
| } |
| } |
| |
| snmpTrapInfo.setGenerationTime(new Date(event.getTimeStamp())); |
| } |
| return snmpTrapInfo; |
| } |
| |
| private String getSnmpMessage(String message) { |
| int lastIndexOfKeyValueDelimiter = message.lastIndexOf(_keyValueDelimiter); |
| int lastIndexOfMessageInString = message.lastIndexOf("message"); |
| |
| if (lastIndexOfKeyValueDelimiter - lastIndexOfMessageInString <= LENGTH_OF_STRING_MESSAGE_AND_KEY_VALUE_DELIMITER) { |
| return message.substring(lastIndexOfKeyValueDelimiter + _keyValueDelimiter.length()).trim(); |
| } else if (lastIndexOfMessageInString < lastIndexOfKeyValueDelimiter) { |
| return message.substring(lastIndexOfMessageInString + _keyValueDelimiter.length() + LENGTH_OF_STRING_MESSAGE).trim(); |
| } |
| |
| return message.substring(message.lastIndexOf("message" + _keyValueDelimiter) + LENGTH_OF_STRING_MESSAGE_AND_KEY_VALUE_DELIMITER).trim(); |
| } |
| } |