#include "collectd.h"
-#include "common.h"
#include "plugin.h"
+#include "utils/common/common.h"
#if !KERNEL_LINUX
#error "No applicable input method."
#define ENTROPY_FILE "/proc/sys/kernel/random/entropy_avail"
-static void entropy_submit(double entropy) {
- value_t values[1];
+static void entropy_submit(value_t value) {
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));
sstrncpy(vl.type, "entropy", sizeof(vl.type));
}
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) {
- fclose(fh);
- return (-1);
+ value_t v;
+ if (parse_value_file(ENTROPY_FILE, &v, DS_TYPE_GAUGE) != 0) {
+ ERROR("entropy plugin: Reading \"" ENTROPY_FILE "\" failed.");
+ return -1;
}
- fclose(fh);
-
- entropy = atof(buffer);
-
- if (entropy > 0.0)
- entropy_submit(entropy);
- return (0);
+ entropy_submit(v);
+ return 0;
}
void module_register(void) {