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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <time.h>
#include <syslog.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include "log.h"
#include "common.h"
// ----------------------------------------------------------------------------
// LOG
const char *program_name = "";
unsigned long long debug_flags = DEBUG;
int silent = 0;
int access_fd = -1;
FILE *stdaccess = NULL;
int access_log_syslog = 1;
int error_log_syslog = 1;
int output_log_syslog = 1; // debug log
void log_date(FILE *out)
{
char outstr[200];
time_t t;
struct tm *tmp, tmbuf;
t = time(NULL);
tmp = localtime_r(&t, &tmbuf);
if (tmp == NULL) return;
if (strftime(outstr, sizeof(outstr), "%y-%m-%d %H:%M:%S", tmp) == 0) return;
fprintf(out, "%s: ", outstr);
}
void debug_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
{
va_list args;
log_date(stdout);
va_start( args, fmt );
fprintf(stdout, "DEBUG (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
vfprintf( stdout, fmt, args );
va_end( args );
fprintf(stdout, "\n");
if(output_log_syslog) {
va_start( args, fmt );
vsyslog(LOG_ERR, fmt, args );
va_end( args );
}
}
void info_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
{
va_list args;
log_date(stderr);
va_start( args, fmt );
if(debug_flags) fprintf(stderr, "INFO (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
else fprintf(stderr, "INFO: %s: ", program_name);
vfprintf( stderr, fmt, args );
va_end( args );
fprintf(stderr, "\n");
if(error_log_syslog) {
va_start( args, fmt );
vsyslog(LOG_INFO, fmt, args );
va_end( args );
}
}
void error_int( const char *prefix, const char *file, const char *function, const unsigned long line, const char *fmt, ... )
{
va_list args;
log_date(stderr);
va_start( args, fmt );
if(debug_flags) fprintf(stderr, "%s (%04lu@%-10.10s:%-15.15s): %s: ", prefix, line, file, function, program_name);
else fprintf(stderr, "%s: %s: ", prefix, program_name);
vfprintf( stderr, fmt, args );
va_end( args );
if(errno) {
char buf[200];
char *s = strerror_r(errno, buf, 200);
fprintf(stderr, " (errno %d, %s)\n", errno, s);
errno = 0;
}
else fprintf(stderr, "\n");
if(error_log_syslog) {
va_start( args, fmt );
vsyslog(LOG_ERR, fmt, args );
va_end( args );
}
}
void fatal_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
{
va_list args;
log_date(stderr);
va_start( args, fmt );
if(debug_flags) fprintf(stderr, "FATAL (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
else fprintf(stderr, "FATAL: %s: ", program_name);
vfprintf( stderr, fmt, args );
va_end( args );
perror(" # ");
fprintf(stderr, "\n");
if(error_log_syslog) {
va_start( args, fmt );
vsyslog(LOG_CRIT, fmt, args );
va_end( args );
}
exit(1);
}
void log_access( const char *fmt, ... )
{
va_list args;
if(stdaccess) {
log_date(stdaccess);
va_start( args, fmt );
vfprintf( stdaccess, fmt, args );
va_end( args );
fprintf( stdaccess, "\n");
#ifdef NETDATA_INTERNAL_CHECKS
fflush( stdaccess );
#endif
}
if(access_log_syslog) {
va_start( args, fmt );
vsyslog(LOG_INFO, fmt, args );
va_end( args );
}
}
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