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output: allow user to ignore small ranges and shared networks

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Some have configuration which combines small ranges such as one host, and
greater address ranges that are important to monitor.  Especially the one
host ranges tend to cause a lot of false-positive alarms, as they are
immediately 100% full when a machine requests an address.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2013-07-12 19:18:24 +01:00
parent 4becf97fb3
commit 28f1e8c54c
5 changed files with 48 additions and 18 deletions
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48
src/output.c
View file

@ -1018,7 +1018,7 @@ int output_alarming(void)
struct shared_network_t *shared_p;
unsigned int i;
float perc;
int rw = 0, rc = 0, ro = 0, sw = 0, sc = 0, so = 0;
int rw = 0, rc = 0, ro = 0, ri = 0, sw = 0, sc = 0, so = 0, si = 0;
int ret_val, ret;
range_p = ranges;
@ -1037,27 +1037,36 @@ int output_alarming(void)
if (config.output_limit[1] & BIT1) {
for (i = 0; i < num_ranges; i++) {
perc = (float)(100 * range_p->count) / range_size;
if (config.critical < perc)
rc++;
else if (config.warning < perc)
rw++;
else
ro++;
if (config.minsize < range_size) {
perc =
(float)(100 * range_p->count) / range_size;
if (config.critical < perc)
rc++;
else if (config.warning < perc)
rw++;
else
ro++;
} else {
ri++;
}
range_p++;
range_size = get_range_size(range_p);
}
}
if (config.output_limit[1] & BIT2) {
for (i = 0; i < num_shared_networks; i++) {
perc = (float)(100 * shared_p->used) /
shared_p->available;
if (config.critical < perc)
sc++;
else if (config.warning < perc)
sw++;
else
so++;
if (config.minsize < shared_p->available) {
perc = (float)(100 * shared_p->used) /
shared_p->available;
if (config.critical < perc)
sc++;
else if (config.warning < perc)
sw++;
else
so++;
} else {
si++;
}
shared_p++;
}
}
@ -1079,10 +1088,17 @@ int output_alarming(void)
if (config.output_limit[0] & BIT1) {
fprintf(outfile, "Ranges; crit: %d warn: %d ok: %d ", rc, rw,
ro);
if (ri != 0) {
fprintf(outfile, "ignored: %d ", ri);
}
}
if (config.output_limit[0] & BIT2) {
fprintf(outfile, "Shared nets; crit: %d warn: %d ok: %d", sc,
sw, so);
if (si != 0) {
fprintf(outfile, "ignored: %d ", si);
}
}
fprintf(outfile, "\n");
if (outfile == stdout) {