org.graylog.plugins.pipelineprocessor.functions.syslog.SyslogUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog.plugins.pipelineprocessor.functions.syslog;
public final class SyslogUtils {
/**
* Converts integer syslog loglevel to human readable string
*
* @param level The level to convert
* @return The human readable level
* @see RFC 5424, Section 6.2.1
*/
public static String levelToString(int level) {
switch (level) {
case 0:
return "Emergency";
case 1:
return "Alert";
case 2:
return "Critical";
case 3:
return "Error";
case 4:
return "Warning";
case 5:
return "Notice";
case 6:
return "Informational";
case 7:
return "Debug";
}
return "Unknown";
}
/**
* Converts integer syslog facility to human readable string
*
* @param facility The facility to convert
* @return The human readable facility
* @see RFC 5424, Section 6.2.1
*/
public static String facilityToString(int facility) {
switch (facility) {
case 0:
return "kern";
case 1:
return "user";
case 2:
return "mail";
case 3:
return "daemon";
case 4:
return "auth";
case 5:
return "syslog";
case 6:
return "lpr";
case 7:
return "news";
case 8:
return "uucp";
case 9:
return "clock";
case 10:
return "authpriv";
case 11:
return "ftp";
case 12:
return "ntp";
case 13:
return "log audit";
case 14:
return "log alert";
case 15:
return "cron";
case 16:
return "local0";
case 17:
return "local1";
case 18:
return "local2";
case 19:
return "local3";
case 20:
return "local4";
case 21:
return "local5";
case 22:
return "local6";
case 23:
return "local7";
default:
return "Unknown";
}
}
public static int levelFromPriority(int priority) {
return priority - (facilityFromPriority(priority) << 3);
}
public static int facilityFromPriority(int priority) {
return priority >> 3;
}
}