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#include "log.h"
#include "port/stdio.h" /* for vsnprintf */
#include "port/string.h" /* for strcmp */
#include <stdarg.h> /* for variable arguments */
const char *log_syslog_facility_to_str( int facility ) {
switch( facility ) {
case LOG_KERN: return "KERN";
case LOG_USER: return "USER";
case LOG_MAIL: return "MAIL";
case LOG_DAEMON: return "DAEMON";
case LOG_AUTH: return "AUTH";
case LOG_SYSLOG: return "SYSLOG";
case LOG_LPR: return "LPR";
case LOG_NEWS: return "NEWS";
case LOG_UUCP: return "UUCP";
case LOG_CRON: return "CRON";
#if defined LOG_AUTHPRIV
case LOG_AUTHPRIV: return "AUTHPRIV";
#endif
#if defined LOG_FTP
case LOG_FTP: return "FTP";
#endif
default: return "<unknown";
}
}
int log_str_to_syslog_facility( const char *facility ) {
if( strcmp( facility, "KERN" ) == 0 ) return LOG_KERN;
if( strcmp( facility, "USER" ) == 0 ) return LOG_USER;
if( strcmp( facility, "MAIL" ) == 0 ) return LOG_MAIL;
if( strcmp( facility, "DAEMON" ) == 0 ) return LOG_DAEMON;
if( strcmp( facility, "AUTH" ) == 0 ) return LOG_AUTH;
if( strcmp( facility, "SYSLOG" ) == 0 ) return LOG_SYSLOG;
if( strcmp( facility, "LPR" ) == 0 ) return LOG_LPR;
if( strcmp( facility, "NEWS" ) == 0 ) return LOG_NEWS;
if( strcmp( facility, "UUCP" ) == 0 ) return LOG_UUCP;
if( strcmp( facility, "CRON" ) == 0 ) return LOG_CRON;
#if defined LOG_AUTHPRIV
if( strcmp( facility, "AUTHPRIV" ) == 0 ) return LOG_AUTHPRIV;
#endif
#if defined LOG_FTP
if( strcmp( facility, "FTP" ) == 0 ) return LOG_FTP;
#endif
return LOG_DAEMON;
}
const char *log_level_to_str( int level ) {
switch( level ) {
case LOG_EMERG: return "EMERG";
case LOG_ALERT: return "ALERT";
case LOG_CRIT: return "CRIT";
case LOG_ERR: return "ERR";
case LOG_WARNING: return "WARNING";
case LOG_NOTICE: return "NOTICE";
case LOG_INFO: return "INFO";
case LOG_DEBUG: return "DEBUG";
case LOG_DEBUG1: return "DEBUG1";
case LOG_DEBUG2: return "DEBUG2";
case LOG_DEBUG3: return "DEBUG3";
case LOG_DEBUG4: return "DEBUG4";
case LOG_DEBUG5: return "DEBUG5";
default: return "<unknown>";
}
}
int log_str_to_level( const char *level ) {
if( strcmp( level, "EMERG" ) == 0 ) return LOG_EMERG;
if( strcmp( level, "ALERT" ) == 0 ) return LOG_ALERT;
if( strcmp( level, "CRIT" ) == 0 ) return LOG_CRIT;
if( strcmp( level, "ERR" ) == 0 ) return LOG_ERR;
if( strcmp( level, "WARNING" ) == 0 ) return LOG_WARNING;
if( strcmp( level, "NOTICE" ) == 0 ) return LOG_NOTICE;
if( strcmp( level, "INFO" ) == 0 ) return LOG_INFO;
if( strcmp( level, "DEBUG" ) == 0 ) return LOG_DEBUG;
if( strcmp( level, "DEBUG1" ) == 0 ) return LOG_DEBUG1;
if( strcmp( level, "DEBUG2" ) == 0 ) return LOG_DEBUG2;
if( strcmp( level, "DEBUG3" ) == 0 ) return LOG_DEBUG3;
if( strcmp( level, "DEBUG4" ) == 0 ) return LOG_DEBUG4;
if( strcmp( level, "DEBUG5" ) == 0 ) return LOG_DEBUG5;
return LOG_NOTICE;
}
static const char *log_logfile_filename;
static FILE *log_file = NULL;
static int log_logfile_level = -1;
static int log_stderr_level = -1;
static const char *syslog_ident = NULL;
static int syslog_facility;
static int syslog_level;
void openlogtofile( const char *filename, int level ) {
if( log_file != NULL ) {
fclose( log_file );
}
log_file = fopen( filename, "a" );
log_logfile_filename = filename;
log_logfile_level = level;
}
void openlogtosyslog( const char *ident, int facility, int level ) {
openlog( ident, LOG_CONS | LOG_NDELAY, facility );
setlogmask( LOG_UPTO( level ) );
syslog_ident = ident;
syslog_facility = facility;
syslog_level = level;
}
void openlogtostderr( int level ) {
log_stderr_level = level;
}
void closelogtofile( void ) {
if( log_file != NULL ) {
fclose( log_file );
log_file = NULL;
}
}
void closelogtosyslog( void ) {
closelog( );
}
void closelogtostderr( void ) {
/* do nothing here */
}
void reopenlogtofile( void ) {
if( log_file != NULL ) {
fclose( log_file );
}
log_file = fopen( log_logfile_filename, "a" );
}
void reopenlogtosyslog( void ) {
openlog( syslog_ident, LOG_CONS | LOG_NDELAY, syslog_facility );
setlogmask( LOG_UPTO( syslog_level ) );
}
void LOG( int level, const char *format, ... ) {
va_list ap;
char s[1024];
va_start( ap, format );
vsnprintf( s, 1024, format, ap );
va_end( ap );
if( level <= log_stderr_level )
fprintf( stderr, "%s: %s\n", log_level_to_str( level ), s );
if( level <= log_logfile_level ) {
fprintf( log_file, "%s: %s\n", log_level_to_str( level ), s );
fflush( log_file );
}
syslog( level, "%s", s );
}
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