X-Git-Url: https://git.octo.it/?p=collectd.git;a=blobdiff_plain;f=src%2Fentropy.c;h=c7b5b3f3bbc3f2d3af0fe1d31ce1da7dd498416a;hp=f4f4ac4a916c2952ba92ab94af2a890660c72de6;hb=7111bb6df7628edce3a8e538b386fbe27633a191;hpb=d0408cb0dbef15d739a6b1cd047e9c94d7643329 diff --git a/src/entropy.c b/src/entropy.c index f4f4ac4a..c7b5b3f3 100644 --- a/src/entropy.c +++ b/src/entropy.c @@ -30,53 +30,33 @@ #include "plugin.h" #if !KERNEL_LINUX -# error "No applicable input method." +#error "No applicable input method." #endif #define ENTROPY_FILE "/proc/sys/kernel/random/entropy_avail" -static void entropy_submit (double entropy) -{ - value_t values[1]; - value_list_t vl = VALUE_LIST_INIT; +static void entropy_submit(value_t value) { + value_list_t vl = VALUE_LIST_INIT; - values[0].gauge = entropy; + vl.values = &value; + vl.values_len = 1; + sstrncpy(vl.plugin, "entropy", sizeof(vl.plugin)); + sstrncpy(vl.type, "entropy", sizeof(vl.type)); - vl.values = values; - 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)); - - plugin_dispatch_values (&vl); + plugin_dispatch_values(&vl); } -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); - } - fclose (fh); - - entropy = atof (buffer); - - if (entropy > 0.0) - entropy_submit (entropy); +static int entropy_read(void) { + value_t v; + if (parse_value_file(ENTROPY_FILE, &v, DS_TYPE_GAUGE) != 0) { + ERROR("entropy plugin: Reading \"" ENTROPY_FILE "\" failed."); + return -1; + } - return (0); + entropy_submit(v); + return 0; } -void module_register (void) -{ - plugin_register_read ("entropy", entropy_read); +void module_register(void) { + plugin_register_read("entropy", entropy_read); } /* void module_register */