#include <unistd.h>
-#include <fcntl.h>
#include <string.h>
#include <stdarg.h>
#include <syslog.h>
#include "fio.h"
+#include "oslib/asprintf.h"
-int log_valist(const char *str, va_list args)
+size_t log_info_buf(const char *buf, size_t len)
{
- char buffer[1024];
- 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;
+ }
- len = vsnprintf(buffer, sizeof(buffer), str, args);
+ if (log_syslog) {
+ syslog(LOG_INFO, "%s", buf);
+ return len;
+ } else
+ return fwrite(buf, len, 1, f_out);
+}
- if (log_syslog)
- syslog(LOG_INFO, "%s", buffer);
- else
- len = fwrite(buffer, 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;
}
-int log_local(const char *format, ...)
+/* 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, ...)
{
- char buffer[1024];
va_list args;
- size_t len;
+ ssize_t ret;
va_start(args, format);
- len = vsnprintf(buffer, sizeof(buffer), format, args);
+ ret = log_valist(format, args);
va_end(args);
- if (log_syslog)
- syslog(LOG_INFO, "%s", buffer);
- else
- len = fwrite(buffer, len, 1, f_out);
-
- return len;
+ return ret;
}
-int log_info(const char *format, ...)
+size_t __log_buf(struct buf_output *buf, const char *format, ...)
{
- char buffer[1024];
+ char *buffer;
va_list args;
- size_t len;
+ int len;
va_start(args, format);
- len = vsnprintf(buffer, sizeof(buffer), format, args);
+ len = vasprintf(&buffer, format, args);
va_end(args);
+ if (len < 0)
+ return 0;
+ len = buf_output_add(buf, buffer, len);
+ free(buffer);
- if (is_backend)
- return fio_server_text_output(buffer, len);
- else
- return fwrite(buffer, len, 1, f_out);
+ return len;
}
-int log_err(const char *format, ...)
+int log_info_flush(void)
{
- char buffer[1024];
+ 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;
- size_t len;
va_start(args, format);
- len = vsnprintf(buffer, sizeof(buffer), format, args);
+ len = vasprintf(&buffer, format, args);
va_end(args);
+ if (len < 0)
+ return len;
- if (is_backend)
- return fio_server_text_output(buffer, len);
- else {
+ 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)
- fwrite(buffer, len, 1, stderr);
+ ret = fwrite(buffer, len, 1, stderr);
- return fwrite(buffer, len, 1, f_err);
+ 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];
}