/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.net;

/**
 * Constants used by syslog daemon and transitively by {@link SyslogAppenderBase}.
 * 
 * @author Ceki Gülcü
 **/
public class SyslogConstants {

    static public final int SYSLOG_PORT = 514;

    // Following constants extracted from RFC 3164, we multiply them by 8
    // in order to precompute the facility part of PRI.
    // See RFC 3164, Section 4.1.1 for exact details.

    /** Emergency: system is unusable */
    public static final int EMERGENCY_SEVERITY = 0;
    /** Alert: action must be taken immediately */
    public static final int ALERT_SEVERITY = 1;
    /**  Critical: critical conditions */
    public static final int CRITICAL_SEVERITY = 2;
    /** Error: error conditions */
    public static final int ERROR_SEVERITY = 3;
    /** Warning: warning conditions */
    public static final int WARNING_SEVERITY = 4;
    /** Notice: normal but significant condition */
    public static final int NOTICE_SEVERITY = 5;
    /**  Informational: informational messages */
    public static final int INFO_SEVERITY = 6;
    /** Debug: debug-level messages */
    public static final int DEBUG_SEVERITY = 7;

    /** kernel messages, numerical code 0. */
    public static final int LOG_KERN = 0;
    /** user-level messages, numerical code 1. */
    public static final int LOG_USER = 1 << 3;
    /** mail system, numerical code 2. */
    public static final int LOG_MAIL = 2 << 3;
    /** system daemons, numerical code 3. */
    public static final int LOG_DAEMON = 3 << 3;
    /** security/authorization messages, numerical code 4. */
    public static final int LOG_AUTH = 4 << 3;
    /** messages generated internally by syslogd, numerical code 5. */
    public static final int LOG_SYSLOG = 5 << 3;
    /** line printer subsystem, numerical code 6. */
    public static final int LOG_LPR = 6 << 3;
    /** network news subsystem, numerical code 7. */
    public static final int LOG_NEWS = 7 << 3;
    /** UUCP subsystem, numerical code 8 */
    public static final int LOG_UUCP = 8 << 3;
    /** clock daemon, numerical code 9. */
    public static final int LOG_CRON = 9 << 3;
    /** security/authorization  messages, numerical code 10. */
    public static final int LOG_AUTHPRIV = 10 << 3;
    /** ftp daemon, numerical code 11. */
    public static final int LOG_FTP = 11 << 3;
    /** NTP subsystem, numerical code 12. */
    public static final int LOG_NTP = 12 << 3;
    /** log audit, numerical code 13. */
    public static final int LOG_AUDIT = 13 << 3;
    /** log alert, numerical code 14. */
    public static final int LOG_ALERT = 14 << 3;
    /** clock daemon, numerical code 15. */
    public static final int LOG_CLOCK = 15 << 3;
    /** reserved for local use, numerical code 16. */
    public static final int LOG_LOCAL0 = 16 << 3;
    /** reserved for local use, numerical code 17. */
    public static final int LOG_LOCAL1 = 17 << 3;
    /** reserved for local use, numerical code 18. */
    public static final int LOG_LOCAL2 = 18 << 3;
    /** reserved for local use, numerical code 19. */
    public static final int LOG_LOCAL3 = 19 << 3;
    /** reserved for local use, numerical code 20. */
    public static final int LOG_LOCAL4 = 20 << 3;
    /** reserved for local use, numerical code 21. */
    public static final int LOG_LOCAL5 = 21 << 3;
    /** reserved for local use, numerical code 22. */
    public static final int LOG_LOCAL6 = 22 << 3;
    /** reserved for local use, numerical code 23.*/
    public static final int LOG_LOCAL7 = 23 << 3;
}