[moira.git] / update / log.c

/*
 *	$Source$
 *	$Header$
 */
/*  (c) Copyright 1988 by the Massachusetts Institute of Technology. */
/*  For copying and distribution information, please see the file */
/*  <mit-copyright.h>. */

#ifndef lint
static char *rcsid_log_c = "$Header$";
#endif	lint

/*
 * handle logging for dcm and update server
 *
 * this should eventually use zephyr
 */

/*
 * define syslog for using syslog,
 * default to tty
 */

#include <mit-copyright.h>
#include <stdio.h>
#include "com_err.h"
#include <varargs.h>
#include "update.h"
#include <krb.h>

#ifdef use_syslog
#include <syslog.h>
#else
#define use_tty
#endif

#ifdef use_syslog
int syslog_prio[] = {
    LOG_DEBUG,
    LOG_INFO,
    LOG_WARNING,
    LOG_ERR
};
#endif
int log_priority;
extern char *whoami;

sms_update_com_err_hook(whoami, code, fmt, args)
    char *whoami;
    int code;
    char *fmt;
    va_list args;
{
    char buf[BUFSIZ], *cp;
    FILE _strbuf;

#ifndef use_syslog
    strcpy(buf, whoami);
    for (cp = buf; *cp; cp++)
	;
    *cp++ = ':';
    *cp++ = ' ';
#else
    cp = buf;
    *cp = '\0';
#endif
    if (code) {
	strcpy(cp, error_message(code));
	while (*cp)
	    cp++;
    }
    _strbuf._flag = _IOWRT+_IOSTRG;
    _strbuf._ptr = cp;
    _strbuf._cnt = BUFSIZ-(cp-buf);
    _doprnt(fmt, args, &_strbuf);
    putc('\0', &_strbuf);
#ifdef use_syslog
    syslog(syslog_prio[log_priority], "%s", buf);
#endif
#ifdef use_tty
    puts(buf);
#endif
}

sms_update_initialize()
{
    static int initialized = 0;
    if (initialized)
	return;
#ifdef use_syslog
    openlog(whoami, LOG_PID, LOG_DAEMON);
#endif
    (void) set_com_err_hook(sms_update_com_err_hook);
    log_priority = log_INFO;
    initialized = 1;
}


static char fmt[] = "[%s] %s";

#define	def(name,level,prio) \
    name(msg) \
    char *msg; \
{\
     register int old_prio; \
     old_prio = log_priority; \
     sms_update_initialize(); \
     com_err(whoami, 0, fmt, level, msg); \
     log_priority = old_prio; \
}

def(sms_log_error, "error", log_ERROR)
def(sms_log_warning, "warning", log_WARNING)
def(sms_log_info, "info", log_INFO)
def(sms_debug, "debug", log_DEBUG)
Commit	Line	Data
de56407f	1	/*
	2	* $Source$
	3	* $Header$
	4	*/
546bc43b	5	/* (c) Copyright 1988 by the Massachusetts Institute of Technology. */
	6	/* For copying and distribution information, please see the file */
	7	/* <mit-copyright.h>. */
de56407f	8
	9	#ifndef lint
	10	static char *rcsid_log_c = "$Header$";
	11	#endif lint
	12
	13	/*
	14	* handle logging for dcm and update server
	15	*
	16	* this should eventually use zephyr
	17	*/
	18
	19	/*
	20	* define syslog for using syslog,
	21	* default to tty
	22	*/
de56407f	23
546bc43b	24	#include <mit-copyright.h>
de56407f	25	#include <stdio.h>
	26	#include "com_err.h"
	27	#include <varargs.h>
	28	#include "update.h"
	29	#include <krb.h>
	30
	31	#ifdef use_syslog
	32	#include <syslog.h>
	33	#else
	34	#define use_tty
	35	#endif
	36
	37	#ifdef use_syslog
	38	int syslog_prio[] = {
	39	LOG_DEBUG,
	40	LOG_INFO,
	41	LOG_WARNING,
	42	LOG_ERR
	43	};
	44	#endif
	45	int log_priority;
29ce7010	46	extern char *whoami;
de56407f	47
	48	sms_update_com_err_hook(whoami, code, fmt, args)
	49	char *whoami;
	50	int code;
	51	char *fmt;
	52	va_list args;
	53	{
	54	char buf[BUFSIZ], *cp;
	55	FILE _strbuf;
	56
	57	#ifndef use_syslog
	58	strcpy(buf, whoami);
	59	for (cp = buf; *cp; cp++)
	60	;
	61	*cp++ = ':';
	62	*cp++ = ' ';
	63	#else
	64	cp = buf;
	65	*cp = '\0';
	66	#endif
	67	if (code) {
	68	strcpy(cp, error_message(code));
	69	while (*cp)
	70	cp++;
	71	}
	72	_strbuf._flag = _IOWRT+_IOSTRG;
	73	_strbuf._ptr = cp;
	74	_strbuf._cnt = BUFSIZ-(cp-buf);
	75	_doprnt(fmt, args, &_strbuf);
	76	putc('\0', &_strbuf);
	77	#ifdef use_syslog
	78	syslog(syslog_prio[log_priority], "%s", buf);
	79	#endif
	80	#ifdef use_tty
	81	puts(buf);
	82	#endif
	83	}
	84
	85	sms_update_initialize()
	86	{
	87	static int initialized = 0;
	88	if (initialized)
	89	return;
	90	#ifdef use_syslog
	91	openlog(whoami, LOG_PID, LOG_DAEMON);
	92	#endif
	93	(void) set_com_err_hook(sms_update_com_err_hook);
	94	log_priority = log_INFO;
	95	initialized = 1;
	96	}
29ce7010	97
	98
	99	static char fmt[] = "[%s] %s";
	100
	101	#define def(name,level,prio) \
	102	name(msg) \
	103	char *msg; \
	104	{\
	105	register int old_prio; \
	106	old_prio = log_priority; \
	107	sms_update_initialize(); \
	108	com_err(whoami, 0, fmt, level, msg); \
	109	log_priority = old_prio; \
	110	}
	111
	112	def(sms_log_error, "error", log_ERROR)
	113	def(sms_log_warning, "warning", log_WARNING)
	114	def(sms_log_info, "info", log_INFO)
	115	def(sms_debug, "debug", log_DEBUG)