diff options
Diffstat (limited to 'src/log.c')
-rwxr-xr-x | src/log.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/log.c b/src/log.c new file mode 100755 index 000000000..7ab3f1a51 --- /dev/null +++ b/src/log.c @@ -0,0 +1,157 @@ +#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 ); + } +} + |