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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_DHCPMSG_H
     27 #define	_DHCPMSG_H
     28 
     29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     30 
     31 #include <sys/types.h>
     32 #include <stdarg.h>
     33 #include <syslog.h>
     34 #include <errno.h>		/* since consumers may want to 0 errno */
     35 
     36 /*
     37  * dhcpmsg.[ch] comprise the interface used to log messages, either to
     38  * syslog(3C), or to the screen, depending on the debug level.  see
     39  * dhcpmsg.c for documentation on how to use the exported functions.
     40  */
     41 
     42 #ifdef	__cplusplus
     43 extern "C" {
     44 #endif
     45 
     46 /*
     47  * the syslog levels, while useful, do not provide enough flexibility
     48  * to do everything we want.  consequently, we introduce another set
     49  * of levels, which map to a syslog level, but also potentially add
     50  * additional behavior.
     51  */
     52 
     53 enum {
     54 	MSG_DEBUG,		/* LOG_DEBUG, only if debug_level is 1 */
     55 	MSG_DEBUG2,		/* LOG_DEBUG, only if debug_level is 1 or 2 */
     56 	MSG_INFO,		/* LOG_INFO */
     57 	MSG_VERBOSE,		/* LOG_INFO, only if is_verbose is true */
     58 	MSG_NOTICE,		/* LOG_NOTICE */
     59 	MSG_WARNING,		/* LOG_WARNING */
     60 	MSG_ERR,		/* LOG_ERR, use errno if nonzero */
     61 	MSG_ERROR,		/* LOG_ERR */
     62 	MSG_CRIT		/* LOG_CRIT */
     63 };
     64 
     65 /* PRINTFLIKE2 */
     66 extern void	dhcpmsg(int, const char *, ...);
     67 extern void	dhcpmsg_init(const char *, boolean_t, boolean_t, int);
     68 extern void	dhcpmsg_fini(void);
     69 
     70 #ifdef	__cplusplus
     71 }
     72 #endif
     73 
     74 #endif	/* _DHCPMSG_H */
     75