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capability: add capability_index_stats() for getting statistics about the capability broker system

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William Pitcock 2012-02-04 21:27:43 -06:00
parent 885cd603b5
commit a16910aa4e
2 changed files with 31 additions and 0 deletions
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1
include/capability.h
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@ -34,5 +34,6 @@ extern void capability_index_destroy(struct CapabilityIndex *);
extern const char *capability_index_list(struct CapabilityIndex *, unsigned int capability_mask);
extern unsigned int capability_index_mask(struct CapabilityIndex *);
extern unsigned int capability_index_get_required(struct CapabilityIndex *);
extern void capability_index_stats(void (*cb)(const char *line, void *privdata), void *privdata);
#endif

30
src/capability.c
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@ -207,3 +207,33 @@ capability_index_get_required(struct CapabilityIndex *idx)
return mask;
}
void
capability_index_stats(void (*cb)(const char *line, void *privdata), void *privdata)
{
rb_dlink_node *node;
char buf[BUFSIZE];
RB_DLINK_FOREACH(node, capability_indexes.head)
{
struct CapabilityIndex *idx = node->data;
struct DictionaryIter iter;
struct CapabilityEntry *entry;
rb_snprintf(buf, sizeof buf, "'%s': allocated bits - %d", idx->name, (idx->highest_bit - 1));
cb(buf, privdata);
DICTIONARY_FOREACH(entry, &iter, idx->cap_dict)
{
rb_snprintf(buf, sizeof buf, "bit %d: '%s'", entry->value, entry->cap);
cb(buf, privdata);
}
rb_snprintf(buf, sizeof buf, "'%s': remaining bits - %ld", idx->name,
(sizeof(unsigned int) * 8) - (idx->highest_bit - 1));
cb(buf, privdata);
}
rb_snprintf(buf, sizeof buf, "%ld capability indexes", rb_dlink_list_length(&capability_indexes));
cb(buf, privdata);
}