[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>

#ifndef __STDC__
#define const
#endif

#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;

void mr_update_com_err_hook(whoami, code, fmt, args)
    const char *whoami;
    long code;
    const 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++;
    }
#ifdef HAS_VSPRINTF
    vsprintf(cp, fmt, args);
#else
    _strbuf._flag = _IOWRT+_IOSTRG;
    _strbuf._ptr = cp;
    _strbuf._cnt = BUFSIZ-(cp-buf);
    _doprnt(fmt, args, &_strbuf);
    putc('\0', &_strbuf);
#endif
#ifdef use_syslog
    syslog(syslog_prio[log_priority], "%s", buf);
#endif
#ifdef use_tty
    puts(buf);
#endif
}

mr_update_initialize()
{
    static int initialized = 0;
    if (initialized)
	return;
#ifdef use_syslog
    openlog(whoami, LOG_PID, LOG_DAEMON);
#endif
    (void) set_com_err_hook(mr_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; \
     mr_update_initialize(); \
     com_err(whoami, 0, fmt, level, msg); \
     log_priority = old_prio; \
}

def(mr_log_error, "error", log_ERROR)
def(mr_log_warning, "warning", log_WARNING)
def(mr_log_info, "info", log_INFO)
def(mr_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
36689901	31	#ifndef __STDC__
	32	#define const
	33	#endif
	34
de56407f	35	#ifdef use_syslog
	36	#include <syslog.h>
	37	#else
	38	#define use_tty
	39	#endif
	40
	41	#ifdef use_syslog
	42	int syslog_prio[] = {
	43	LOG_DEBUG,
	44	LOG_INFO,
	45	LOG_WARNING,
	46	LOG_ERR
	47	};
	48	#endif
	49	int log_priority;
29ce7010	50	extern char *whoami;
de56407f	51
2ad0a777	52	void mr_update_com_err_hook(whoami, code, fmt, args)
36689901	53	const char *whoami;
	54	long code;
	55	const char *fmt;
de56407f	56	va_list args;
	57	{
	58	char buf[BUFSIZ], *cp;
	59	FILE _strbuf;
	60
	61	#ifndef use_syslog
	62	strcpy(buf, whoami);
	63	for (cp = buf; *cp; cp++)
	64	;
	65	*cp++ = ':';
	66	*cp++ = ' ';
	67	#else
	68	cp = buf;
	69	*cp = '\0';
	70	#endif
	71	if (code) {
	72	strcpy(cp, error_message(code));
	73	while (*cp)
	74	cp++;
	75	}
16a16c3e	76	#ifdef HAS_VSPRINTF
2ad0a777	77	vsprintf(cp, fmt, args);
2ad0a777	78	#else
de56407f	79	_strbuf._flag = _IOWRT+_IOSTRG;
	80	_strbuf._ptr = cp;
	81	_strbuf._cnt = BUFSIZ-(cp-buf);
	82	_doprnt(fmt, args, &_strbuf);
	83	putc('\0', &_strbuf);
2ad0a777	84	#endif
de56407f	85	#ifdef use_syslog
	86	syslog(syslog_prio[log_priority], "%s", buf);
	87	#endif
	88	#ifdef use_tty
	89	puts(buf);
	90	#endif
	91	}
	92
2ad0a777	93	mr_update_initialize()
de56407f	94	{
	95	static int initialized = 0;
	96	if (initialized)
	97	return;
	98	#ifdef use_syslog
	99	openlog(whoami, LOG_PID, LOG_DAEMON);
	100	#endif
2ad0a777	101	(void) set_com_err_hook(mr_update_com_err_hook);
de56407f	102	log_priority = log_INFO;
	103	initialized = 1;
	104	}
29ce7010	105
	106
	107	static char fmt[] = "[%s] %s";
	108
	109	#define def(name,level,prio) \
	110	name(msg) \
	111	char *msg; \
	112	{\
	113	register int old_prio; \
	114	old_prio = log_priority; \
2ad0a777	115	mr_update_initialize(); \
29ce7010	116	com_err(whoami, 0, fmt, level, msg); \
	117	log_priority = old_prio; \
	118	}
	119
2ad0a777	120	def(mr_log_error, "error", log_ERROR)
	121	def(mr_log_warning, "warning", log_WARNING)
	122	def(mr_log_info, "info", log_INFO)
	123	def(mr_debug, "debug", log_DEBUG)