#ifndef _SYS_SYSLOG_H_
#define _SYS_SYSLOG_H_
/*
 * Copyright (C) 2001-2004 by egnite Software GmbH. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * For additional information see http://www.ethernut.de/
 *
 * -
 * Portions Copyright (c) 1982, 1986, 1988, 1993
 *  The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

/*
 * $Log$
 * Revision 1.6  2008/08/11 07:00:28  haraldkipp
 * BSD types replaced by stdint types (feature request #1282721).
 *
 * Revision 1.5  2004/11/24 16:41:18  haraldkipp
 * Wrong prototypes for _P routines fixed
 *
 * Revision 1.4  2004/10/03 18:41:43  haraldkipp
 * RAM saving calls added
 *
 * Revision 1.3  2004/09/19 11:18:44  haraldkipp
 * Syslog client added
 *
 */

/*
 * priorities/facilities are encoded into a single 32-bit quantity, where the
 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
 * (0-big number).  Both the priorities and the facilities map roughly
 * one-to-one to strings in the syslogd(8) source code.  This mapping is
 * included in this file.
 *
 * priorities (these are ordered)
 */

#include <sys/types.h>
#include <stdint.h>
#include <stdarg.h>

#define LOG_EMERG   0       /* system is unusable */
#define LOG_ALERT   1       /* action must be taken immediately */
#define LOG_CRIT    2       /* critical conditions */
#define LOG_ERR     3       /* error conditions */
#define LOG_WARNING 4       /* warning conditions */
#define LOG_NOTICE  5       /* normal but significant condition */
#define LOG_INFO    6       /* informational */
#define LOG_DEBUG   7       /* debug-level messages */

#define LOG_PRIMASK 0x07    /* mask to extract priority part (internal) */
                                /* extract priority */
#define LOG_PRI(p)  ((p) & LOG_PRIMASK)
#define LOG_MAKEPRI(fac, pri)   (((fac) << 3) | (pri))

/* facility codes */
#define LOG_KERN    (0<<3)  /* kernel messages */
#define LOG_USER    (1<<3)  /* random user-level messages */
#define LOG_MAIL    (2<<3)  /* mail system */
#define LOG_DAEMON  (3<<3)  /* system daemons */
#define LOG_AUTH    (4<<3)  /* security/authorization messages */
#define LOG_SYSLOG  (5<<3)  /* messages generated internally by syslogd */
#define LOG_LPR     (6<<3)  /* line printer subsystem */
#define LOG_NEWS    (7<<3)  /* network news subsystem */
#define LOG_UUCP    (8<<3)  /* UUCP subsystem */
#define LOG_CRON    (9<<3)  /* clock daemon */
#define LOG_AUTHPRIV    (10<<3) /* security/authorization messages (private) */
#define LOG_FTP     (11<<3) /* ftp daemon */

        /* other codes through 15 reserved for system use */
#define LOG_LOCAL0  (16<<3) /* reserved for local use */
#define LOG_LOCAL1  (17<<3) /* reserved for local use */
#define LOG_LOCAL2  (18<<3) /* reserved for local use */
#define LOG_LOCAL3  (19<<3) /* reserved for local use */
#define LOG_LOCAL4  (20<<3) /* reserved for local use */
#define LOG_LOCAL5  (21<<3) /* reserved for local use */
#define LOG_LOCAL6  (22<<3) /* reserved for local use */
#define LOG_LOCAL7  (23<<3) /* reserved for local use */

#define LOG_NFACILITIES 24      /* current number of facilities */
#define LOG_FACMASK 0x03f8  /* mask to extract facility part */
                                /* facility of pri */
#define LOG_FAC(p)  (((p) & LOG_FACMASK) >> 3)

#define LOG_PRINTF  -1      /* pseudo-priority to indicate use of printf */

/*
 * arguments to setlogmask.
 */
#define LOG_MASK(pri)   (1 << (pri))    /* mask for one priority */
#define LOG_UPTO(pri)   ((1 << ((pri)+1)) - 1)  /* all priorities through pri */

/*
 * Option flags for openlog.
 *
 * LOG_ODELAY no longer does anything.
 * LOG_NDELAY is the inverse of what it used to be.
 */
#define LOG_PID     0x01    /* log the pid with each message */
#define LOG_CONS    0x02    /* log on the console if errors in sending */
#define LOG_ODELAY  0x04    /* delay open until first syslog() (default) */
#define LOG_NDELAY  0x08    /* don't delay open */
#define LOG_NOWAIT  0x10    /* don't wait for console forks: DEPRECATED */
#define LOG_PERROR  0x20    /* log to stderr as well */

#ifdef SYSLOG_INTERNAL

#ifndef SYSLOG_MAXBUF
/*!
 * \brief Syslog message buffer size.
 */
#define SYSLOG_MAXBUF 256
#endif

extern char *syslog_buf;

#endif /* SYSLOG_INTERNAL */

extern void closelog(void);
extern void openlog(const char *, int, int);
extern int setlogmask(int);
extern uint32_t setlogserver(uint32_t ip, uint16_t port);
extern void syslog(int, const char *, ...);
extern void vsyslog(int, const char *, va_list);
#ifdef __HARVARD_ARCH__
#ifdef SYSLOG_INTERNAL
extern size_t syslog_header(int pri);
extern void syslog_flush(size_t len);
#endif
extern void syslog_P(int pri, PGM_P fmt, ...);
extern void vsyslog_P(int pri, PGM_P fmt, va_list ap);
#else
#define syslog_P    syslog
#define vsyslog_P   vsyslog
#endif

#endif
