+#include "config.h"
+
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/un.h>
/*
- * This weird macro cascade forces the glibc to define `NAN'. I don't know
- * another way to solve this, so more intelligent solutions are welcome. -octo
+ * This is copied directly from collectd.h. Make changes there!
*/
-#ifndef __USE_ISOC99
-# define DISABLE__USE_ISOC99 1
-# define __USE_ISOC99 1
-#endif
-#include <math.h>
-#ifdef DISABLE__USE_ISOC99
-# undef DISABLE__USE_ISOC99
-# undef __USE_ISOC99
-#endif
+#if NAN_STATIC_DEFAULT
+# include <math.h>
+/* #endif NAN_STATIC_DEFAULT*/
+#elif NAN_STATIC_ISOC
+# ifndef __USE_ISOC99
+# define DISABLE_ISOC99 1
+# define __USE_ISOC99 1
+# endif /* !defined(__USE_ISOC99) */
+# include <math.h>
+# if DISABLE_ISOC99
+# undef DISABLE_ISOC99
+# undef __USE_ISOC99
+# endif /* DISABLE_ISOC99 */
+/* #endif NAN_STATIC_ISOC */
+#elif NAN_ZERO_ZERO
+# include <math.h>
+# ifdef NAN
+# undef NAN
+# endif
+# define NAN (0.0 / 0.0)
+# ifndef isnan
+# define isnan(f) ((f) != (f))
+# endif /* !defined(isnan) */
+#endif /* NAN_ZERO_ZERO */
#define RET_OKAY 0
#define RET_WARNING 1
static char *socket_file_g = NULL;
static char *value_string_g = NULL;
+static char *hostname_g = NULL;
+
static range_t range_critical_g;
static range_t range_warning_g;
static int consolitation_g = CON_NONE;
+static char **match_ds_g = NULL;
+static int match_ds_num_g = 0;
+
+static int ignore_ds (const char *name)
+{
+ int i;
+
+ if (match_ds_g == NULL)
+ return (0);
+
+ for (i = 0; i < match_ds_num_g; i++)
+ if (strcasecmp (match_ds_g[i], name) == 0)
+ return (0);
+
+ return (1);
+} /* int ignore_ds */
+
static void parse_range (char *string, range_t *range)
{
char *min_ptr;
{
int ret = 0;
- if ((range->min != NAN) && (range->min > value))
+ if (!isnan (range->min) && (range->min > value))
ret = 1;
- if ((range->max != NAN) && (range->max < value))
+ if (!isnan (range->max) && (range->max < value))
ret = 1;
return (((ret - range->invert) == 0) ? 0 : 1);
return (-1);
}
- fprintf (fh, "GETVAL %s\n", value_string_g);
+ fprintf (fh, "GETVAL %s/%s\n", hostname_g, value_string_g);
fflush (fh);
if (fgets (buffer, sizeof (buffer), fh) == NULL)
continue;
*value = '\0'; value++;
+ if (ignore_ds (key) != 0)
+ continue;
+
values_names[i] = strdup (key);
values[i] = atof (value);
static void usage (const char *name)
{
- fprintf (stderr, "Usage: %s <-s socket> <-n value_spec> [options]\n"
+ fprintf (stderr, "Usage: %s <-s socket> <-n value_spec> <-H hostname> [options]\n"
"\n"
"Valid options are:\n"
- " -s <socket> Path to collectd's UNIX-socket\n"
- " -n <v_spec> Value specification to get from collectd\n"
- " -c <range> Critical range\n"
- " -w <range> Range for critical values\n",
- name);
+ " -s <socket> Path to collectd's UNIX-socket.\n"
+ " -n <v_spec> Value specification to get from collectd.\n"
+ " Format: `plugin-instance/type-instance'\n"
+ " -d <ds> Select the DS to examine. May be repeated to examine multiple\n"
+ " DSes. By default all DSes are used.\n"
+ " -g <consol> Method to use to consolidate several DSes.\n"
+ " Valid arguments are `none', `average' and `sum'\n"
+ " -H <host> Hostname to query the values for.\n"
+ " -c <range> Critical range\n"
+ " -w <range> Warning range\n"
+ "\n"
+ "Consolidation functions:\n"
+ " none: Apply the warning- and critical-ranges to each data-source\n"
+ " individually.\n"
+ " average: Calculate the average of all matching DSes and apply the\n"
+ " warning- and critical-ranges to the calculated average.\n"
+ " sum: Apply the ranges to the sum of all DSes.\n"
+ "\n", name);
exit (1);
} /* void usage */
for (i = 0; i < values_num; i++)
{
- if (values[i] == NAN)
+ if (isnan (values[i]))
num_warning++;
else if (match_range (&range_critical_g, values[i]) != 0)
num_critical++;
total_num = 0;
for (i = 0; i < values_num; i++)
{
- if (values[i] != NAN)
+ if (!isnan (values[i]))
{
total += values[i];
total_num++;
total_num = 0;
for (i = 0; i < values_num; i++)
{
- if (values[i] != NAN)
+ if (!isnan (values[i]))
{
total += values[i];
total_num++;
double *values;
char **values_names;
int values_num;
- int i;
if (get_values (&values_num, &values, &values_names) != 0)
{
return (RET_CRITICAL);
}
- for (i = 0; i < values_num; i++)
- printf ("%s=%lf\n", values_names[i], values[i]);
-
if (consolitation_g == CON_NONE)
return (do_check_con_none (values_num, values, values_names));
else if (consolitation_g == CON_AVERAGE)
else if (consolitation_g == CON_SUM)
return (do_check_con_sum (values_num, values, values_names));
+ free (values);
+ free (values_names);
+
return (RET_UNKNOWN);
}
{
int c;
- c = getopt (argc, argv, "w:c:s:n:g:h");
+ c = getopt (argc, argv, "w:c:s:n:H:g:d:h");
if (c < 0)
break;
case 'n':
value_string_g = optarg;
break;
+ case 'H':
+ hostname_g = optarg;
+ break;
case 'g':
if (strcasecmp (optarg, "none") == 0)
consolitation_g = CON_NONE;
else
usage (argv[0]);
break;
+ case 'd':
+ {
+ char **tmp;
+ tmp = (char **) realloc (match_ds_g,
+ (match_ds_num_g + 1)
+ * sizeof (char *));
+ if (tmp == NULL)
+ {
+ fprintf (stderr, "realloc failed: %s\n",
+ strerror (errno));
+ return (RET_UNKNOWN);
+ }
+ match_ds_g = tmp;
+ match_ds_g[match_ds_num_g] = strdup (optarg);
+ if (match_ds_g[match_ds_num_g] == NULL)
+ {
+ fprintf (stderr, "strdup failed: %s\n",
+ strerror (errno));
+ return (RET_UNKNOWN);
+ }
+ match_ds_num_g++;
+ break;
+ }
default:
usage (argv[0]);
} /* switch (c) */
}
- if ((socket_file_g == NULL) || (value_string_g == NULL))
+ if ((socket_file_g == NULL) || (value_string_g == NULL)
+ || (hostname_g == NULL))
usage (argv[0]);
return (do_check ());