#define ENTROPY_FILE "/proc/sys/kernel/random/entropy_avail"
-static void entropy_submit (double entropy)
+static void entropy_submit (value_t value)
{
- value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- values[0].gauge = entropy;
-
- vl.values = values;
+ vl.values = &value;
vl.values_len = 1;
sstrncpy (vl.host, hostname_g, sizeof (vl.host));
sstrncpy (vl.plugin, "entropy", sizeof (vl.plugin));
static int entropy_read (void)
{
- double entropy;
- FILE *fh;
- char buffer[64];
-
- fh = fopen (ENTROPY_FILE, "r");
- if (fh == NULL)
- return (-1);
-
- if (fgets (buffer, sizeof (buffer), fh) == NULL)
+ value_t v;
+ if (parse_value_file (ENTROPY_FILE, &v, DS_TYPE_GAUGE) != 0)
{
- fclose (fh);
+ ERROR ("entropy plugin: Reading \""ENTROPY_FILE"\" failed.");
return (-1);
}
- fclose (fh);
-
- entropy = atof (buffer);
-
- if (entropy > 0.0)
- entropy_submit (entropy);
+ entropy_submit (v);
return (0);
}