usr/src/lib/libdhcputil/common/dhcpmsg.h

   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 */