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      1 #include <unistd.h>
      2 #include <fcntl.h>
      3 #include <string.h>
      4 #include <stdarg.h>
      5 #include <syslog.h>
      6 
      7 #include "fio.h"
      8 
      9 int log_valist(const char *str, va_list args)
     10 {
     11 	char buffer[1024];
     12 	size_t len;
     13 
     14 	len = vsnprintf(buffer, sizeof(buffer), str, args);
     15 	len = min(len, sizeof(buffer) - 1);
     16 
     17 	if (is_backend)
     18 		len = fio_server_text_output(FIO_LOG_INFO, buffer, len);
     19 	if (log_syslog)
     20 		syslog(LOG_INFO, "%s", buffer);
     21 	else
     22 		len = fwrite(buffer, len, 1, f_out);
     23 
     24 	return len;
     25 }
     26 
     27 int log_local_buf(const char *buf, size_t len)
     28 {
     29 	if (log_syslog)
     30 		syslog(LOG_INFO, "%s", buf);
     31 	else
     32 		len = fwrite(buf, len, 1, f_out);
     33 
     34 	return len;
     35 }
     36 
     37 int log_info(const char *format, ...)
     38 {
     39 	char buffer[1024];
     40 	va_list args;
     41 	size_t len;
     42 
     43 	va_start(args, format);
     44 	len = vsnprintf(buffer, sizeof(buffer), format, args);
     45 	va_end(args);
     46 	len = min(len, sizeof(buffer) - 1);
     47 
     48 	if (is_backend)
     49 		return fio_server_text_output(FIO_LOG_INFO, buffer, len);
     50 	else if (log_syslog) {
     51 		syslog(LOG_INFO, "%s", buffer);
     52 		return len;
     53 	} else
     54 		return fwrite(buffer, len, 1, f_out);
     55 }
     56 
     57 int log_info_flush(void)
     58 {
     59 	if (is_backend || log_syslog)
     60 		return 0;
     61 
     62 	return fflush(f_out);
     63 }
     64 
     65 int log_err(const char *format, ...)
     66 {
     67 	char buffer[1024];
     68 	va_list args;
     69 	size_t len;
     70 
     71 	va_start(args, format);
     72 	len = vsnprintf(buffer, sizeof(buffer), format, args);
     73 	va_end(args);
     74 	len = min(len, sizeof(buffer) - 1);
     75 
     76 	if (is_backend)
     77 		return fio_server_text_output(FIO_LOG_ERR, buffer, len);
     78 	else if (log_syslog) {
     79 		syslog(LOG_INFO, "%s", buffer);
     80 		return len;
     81 	} else {
     82 		if (f_err != stderr) {
     83 			int fio_unused ret;
     84 
     85 			ret = fwrite(buffer, len, 1, stderr);
     86 		}
     87 
     88 		return fwrite(buffer, len, 1, f_err);
     89 	}
     90 }
     91 
     92 const char *log_get_level(int level)
     93 {
     94 	static const char *levels[] = { "Unknown", "Debug", "Info", "Error",
     95 						"Unknown" };
     96 
     97 	if (level >= FIO_LOG_NR)
     98 		level = FIO_LOG_NR;
     99 
    100 	return levels[level];
    101 }
    102