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#include <unistd.h>
#include <string.h>
#include <stdarg.h>
#include <syslog.h>
#include "fio.h"
#include "oslib/asprintf.h"
size_t log_info_buf(const char *buf, size_t len)
{
/*
* buf could be NULL (not just "").
*/
if (!buf)
return 0;
if (is_backend) {
ssize_t ret = fio_server_text_output(FIO_LOG_INFO, buf, len);
if (ret != -1)
return ret;
}
if (log_syslog) {
syslog(LOG_INFO, "%s", buf);
return len;
} else
return fwrite(buf, len, 1, f_out);
}
size_t log_valist(const char *fmt, va_list args)
{
char *buffer;
int len;
len = vasprintf(&buffer, fmt, args);
if (len < 0)
return 0;
len = log_info_buf(buffer, len);
free(buffer);
return len;
}
/* add prefix for the specified type in front of the valist */
#ifdef FIO_INC_DEBUG
void log_prevalist(int type, const char *fmt, va_list args)
{
char *buf1, *buf2;
int len;
pid_t pid;
pid = gettid();
if (fio_debug_jobp && *fio_debug_jobp != -1U
&& pid != *fio_debug_jobp)
return;
len = vasprintf(&buf1, fmt, args);
if (len < 0)
return;
len = asprintf(&buf2, "%-8s %-5u %s", debug_levels[type].name,
(int) pid, buf1);
free(buf1);
if (len < 0)
return;
log_info_buf(buf2, len);
free(buf2);
}
#endif
ssize_t log_info(const char *format, ...)
{
va_list args;
ssize_t ret;
va_start(args, format);
ret = log_valist(format, args);
va_end(args);
return ret;
}
size_t __log_buf(struct buf_output *buf, const char *format, ...)
{
char *buffer;
va_list args;
int len;
va_start(args, format);
len = vasprintf(&buffer, format, args);
va_end(args);
if (len < 0)
return 0;
len = buf_output_add(buf, buffer, len);
free(buffer);
return len;
}
int log_info_flush(void)
{
if (is_backend || log_syslog)
return 0;
return fflush(f_out);
}
ssize_t log_err(const char *format, ...)
{
ssize_t ret;
int len;
char *buffer;
va_list args;
va_start(args, format);
len = vasprintf(&buffer, format, args);
va_end(args);
if (len < 0)
return len;
if (is_backend) {
ret = fio_server_text_output(FIO_LOG_ERR, buffer, len);
if (ret != -1)
goto done;
}
if (log_syslog) {
syslog(LOG_INFO, "%s", buffer);
ret = len;
} else {
if (f_err != stderr)
ret = fwrite(buffer, len, 1, stderr);
ret = fwrite(buffer, len, 1, f_err);
}
done:
free(buffer);
return ret;
}
const char *log_get_level(int level)
{
static const char *levels[] = { "Unknown", "Debug", "Info", "Error",
"Unknown" };
if (level >= FIO_LOG_NR)
level = FIO_LOG_NR;
return levels[level];
}
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