/**
* @brief Purge cache entries that have not been active for some time.
*
* @param indom Instance domain to purge entries for.
* @param recent All entries that have not been active within this many
* seconds will be purged.
*
* @throw pcp::exception On error.
*
* @return The number of items purged.
*
* @see pmdaCachePurge
*/
inline size_t purge(const pmInDom indom, const time_t recent)
{
const int result = pmdaCachePurge(indom, recent);
if (result < 0) {
throw pcp::exception(result);
}
return result;
}
static void
_e(int since)
{
int i;
int j;
int sts;
int inst;
indomp->domain = 123;
indomp->serial = 11;
sts = pmdaCacheOp(indom, PMDA_CACHE_LOAD);
if (sts < 0) {
fprintf(stderr, "PMDA_CACHE_LOAD failed: %s\n", pmErrStr(sts));
return;
}
j = 1;
for (i = 0; i < 10; i++) {
sprintf(nbuf, "boring-instance-%03d", i);
inst = pmdaCacheStore(indom, PMDA_CACHE_ADD, nbuf, (void *)((__psint_t)(0xcaffe000+i)));
if (inst < 0)
fprintf(stderr, "PMDA_CACHE_ADD failed for \"%s\": %s\n", nbuf, pmErrStr(inst));
if (i == j) {
j <<= 1;
inst = pmdaCacheStore(indom, PMDA_CACHE_HIDE, nbuf, NULL);
if (inst < 0)
fprintf(stderr, "PMDA_CACHE_HIDE failed for \"%s\": %s\n", nbuf, pmErrStr(inst));
}
}
sts = pmdaCacheOp(indom, PMDA_CACHE_SAVE);
fprintf(stderr, "Save -> %d\n", sts);
fprintf(stderr, "Before purge ...\n");
__pmdaCacheDump(stderr, indom, 0);
sleep(1);
sts = pmdaCachePurge(indom, since);
if (sts < 0) {
fprintf(stderr, "pmdaCachePurge failed: %s\n", pmErrStr(sts));
return;
}
fprintf(stderr, "Purged %d entries\nAfter purge ...\n", sts);
sts = pmdaCacheOp(indom, PMDA_CACHE_SAVE);
fprintf(stderr, "Save -> %d\n", sts);
__pmdaCacheDump(stderr, indom, 0);
}
