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/*
* Program: $RCSfile: log.c,v $ $Revision: 4.4 $
*
* Purpose: Log facility of internet "youbin" service.
*
* Author: K.Agusa agusa@nuie.nagoya-u.ac.jp
* S.Yamamoto yamamoto@nuie.nagoya-u.ac.jp
*
* Date: 1993/12/27
* Modified: $Date: 1995/03/26 11:33:01 $
*
* Copyright: K.Agusa and S.Yamamoto 1993 - 1995
*
* The X Consortium, and any party obtaining a copy of these files from
* the X Consortium, directly or indirectly, is granted, free of charge,
* a full and unrestricted irrevocable, world-wide, paid up, royalty-free,
* nonexclusive right and license to deal in this software and documentation
* files (the "Software"), including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons who receive copies from any such
* party to do so. This license includes without limitation a license to do
* the foregoing actions under any patents of the party supplying this
* software to the X Consortium.
*/
#ifndef lint
static char rcsid[] =
"$Id: log.c,v 4.4 1995/03/26 11:33:01 yamamoto Exp $";
#endif
#include <sys/types.h>
#include <netinet/in.h>
#include <stdio.h>
#include "youbin.h"
#include "server.h"
/*
* Variable argument list.
*
* USE_STDARG: Use ANSI routines.
* USE_VARARGS Use UNIX's native routines.
*/
#ifdef USE_STDARG
#include <stdarg.h>
#define VARARGS_PROTO(func, firstArg, type) func(type firstArg, ...)
#define VA_START(argsPtr, firstArg) va_start(argsPtr, firstArg)
#define VA_1ST_ARG(argsPtr, firstArg, type) firstArg
#else /* USE_VARARGS */
#include <varargs.h>
#define VARARGS_PROTO(func, firstArg, type) func(va_alist) va_dcl
#define VA_START(argsPtr, firstArg) va_start(argsPtr)
#define VA_1ST_ARG(argsPtr, firstArg, type) va_arg(argsPtr, type)
#endif /* USE_VARARGS */
/*
* Logging system messages.
*/
#ifdef SYSLOG
#include <syslog.h>
#endif
#ifndef SYSLOG_FACILITY
#define SYSLOG_FACILITY LOG_DAEMON
#endif
#ifndef LOG_DEBUG
#define LOG_DEBUG (-1) /* Dummy. */
#endif
#ifndef LOG_WARNING
#define LOG_WARNING (-1) /* Dummy. */
#endif
#ifndef LOG_INFO
#define LOG_INFO (-1) /* Dummy. */
#endif
#ifndef LOG_ERR
#define LOG_ERR (-1) /* Dummy. */
#endif
static int flag_syslog = ON; /* Always true. */
static int flag_console = ON; /* Always true. */
extern int errno;
//extern char *sys_errlist[];
/*
* Initialize.
*/
void
init_log()
{
#ifdef SYSLOG
openlog(prog_name, (LOG_CONS | LOG_PID), SYSLOG_FACILITY);
#endif
}
/*
* Top level functions.
*/
void
VARARGS_PROTO(debug_log, va_args, char *)
{
char buff_log[LOG_LEN + 1];
va_list args;
if (debug_mode) {
VA_START(args, va_args);
vsprintf(buff_log, VA_1ST_ARG(args, va_args, char *), args);
va_end(args);
output_log(LOG_DEBUG, buff_log);
}
}
void
VARARGS_PROTO(warn_log, va_args, char *)
{
char buff_log[LOG_LEN + 1];
va_list args;
VA_START(args, va_args);
vsprintf(buff_log, VA_1ST_ARG(args, va_args, char *), args);
va_end(args);
output_log(LOG_WARNING, buff_log);
}
void
VARARGS_PROTO(info_log, va_args, char *)
{
char buff_log[LOG_LEN + 1];
va_list args;
VA_START(args, va_args);
vsprintf(buff_log, VA_1ST_ARG(args, va_args, char *), args);
va_end(args);
output_log(LOG_INFO, buff_log);
}
void
VARARGS_PROTO(error_log, va_args, char *)
{
char buff_log[LOG_LEN + 1];
va_list args;
VA_START(args, va_args);
vsprintf(buff_log, VA_1ST_ARG(args, va_args, char *), args);
va_end(args);
output_log(LOG_ERR, buff_log);
}
void
VARARGS_PROTO(trace, va_args, char *)
{
/* Output trace message to syslog with LOG_INFO level. */
char buff_log[LOG_LEN + 1];
va_list args;
if (trace_mode) {
VA_START(args, va_args);
vsprintf(buff_log, VA_1ST_ARG(args, va_args, char *), args);
va_end(args);
output_log(LOG_INFO, buff_log);
}
}
void
sys_error_log(mess)
char *mess;
{
/* Output system error messages to syslog. */
char buff_log[LOG_LEN + 1];
sprintf(buff_log, "%s: %s\n", mess, sys_errlist[errno]);
output_log(LOG_ERR, buff_log);
}
/*
* Subroutines.
*/
void
output_log(syslog_level, mess)
int syslog_level;
char *mess;
{
#ifdef SYSLOG
if (flag_syslog) {
syslog(syslog_level, mess);
}
#endif /* SYSLOG */
if (flag_console) {
fprintf(stderr, "%s: %s", prog_name, mess);
}
}
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