add new simple logging functions

This commit is contained in:
Duncan Laurie 2004-08-27 16:27:41 +00:00
parent 81c73bd164
commit c452979e74
2 changed files with 221 additions and 0 deletions

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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*/
#ifndef IPMITOOL_LOG_H
#define IPMITOOL_LOG_H
#include <syslog.h>
/* sys/syslog.h:
* LOG_EMERG 0 system is unusable
* LOG_ALERT 1 action must be taken immediately
* LOG_CRIT 2 critical conditions
* LOG_ERR 3 error conditions
* LOG_WARNING 4 warning conditions
* LOG_NOTICE 5 normal but significant condition
* LOG_INFO 6 informational
* LOG_DEBUG 7 debug-level messages
*/
#define LOG_ERROR LOG_ERR
#define LOG_WARN LOG_WARNING
#define LOG_NAME_DEFAULT "ipmitool"
#define LOG_MSG_LENGTH 1024
void log_init(const char * name, int isdaemon, int verbose);
void log_halt(void);
void log_level_set(int level);
int log_level_get(void);
void lprintf(int level, const char * format, ...);
void lperror(int level, const char * format, ...);
#endif /*IPMITOOL_LOG_H*/

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ipmitool/lib/log.c Normal file
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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include <errno.h>
#include <stdarg.h>
#include <string.h>
#include <ipmitool/log.h>
struct logpriv_s {
char * name;
int daemon;
int level;
};
struct logpriv_s *logpriv;
static void log_reinit(void)
{
log_init(NULL, 0, 0);
}
void lprintf(int level, const char * format, ...)
{
static char logmsg[LOG_MSG_LENGTH];
va_list vptr;
if (!logpriv)
log_reinit();
if (logpriv->level < level)
return;
va_start(vptr, format);
vsnprintf(logmsg, LOG_MSG_LENGTH, format, vptr);
va_end(vptr);
if (logpriv->daemon)
syslog(level, "%s", logmsg);
else
printf("%s\n", logmsg);
return;
}
void lperror(int level, const char * format, ...)
{
static char logmsg[LOG_MSG_LENGTH];
va_list vptr;
if (!logpriv)
log_reinit();
if (logpriv->level < level)
return;
va_start(vptr, format);
vsnprintf(logmsg, LOG_MSG_LENGTH, format, vptr);
va_end(vptr);
if (logpriv->daemon)
syslog(level, "%s: %s", logmsg, strerror(errno));
else
fprintf(stderr, "%s: %s\n", logmsg, strerror(errno));
return;
}
/*
* open connection to syslog if daemon
*/
void log_init(const char * name, int isdaemon, int verbose)
{
if (logpriv)
return;
logpriv = malloc(sizeof(*logpriv));
if (!logpriv)
return;
if (name != NULL)
logpriv->name = strdup(name);
else
logpriv->name = strdup(LOG_NAME_DEFAULT);
logpriv->daemon = isdaemon;
logpriv->level = verbose + LOG_NOTICE;
if (logpriv->daemon)
openlog(logpriv->name, LOG_CONS, LOG_LOCAL4);
}
/*
* stop syslog logging if daemon mode,
* free used memory that stored log service
*/
void log_halt(void)
{
if (!logpriv)
return;
if (logpriv->name)
free(logpriv->name);
if (logpriv->daemon)
closelog();
free(logpriv);
}
int log_level_get(void)
{
return logpriv->level;
}
void log_level_set(int level)
{
logpriv->level = level;
}