static void
test_rend_cache_failure_entry_free(void *data)
{
(void)data;
// Test that it can deal with a NULL argument
rend_cache_failure_entry_free(NULL);
/* done: */
/* (void)0; */
}
static void
test_rend_cache_failure_entry_new(void *data)
{
rend_cache_failure_t *failure;
(void)data;
failure = rend_cache_failure_entry_new();
tt_assert(failure);
tt_int_op(digestmap_size(failure->intro_failures), OP_EQ, 0);
done:
rend_cache_failure_entry_free(failure);
}
/** Remove failure cache entry for the service ID in the given descriptor
* <b>desc</b>. */
STATIC void
rend_cache_failure_remove(rend_service_descriptor_t *desc)
{
char service_id[REND_SERVICE_ID_LEN_BASE32 + 1];
rend_cache_failure_t *entry;
if (desc == NULL) {
return;
}
if (rend_get_service_id(desc->pk, service_id) < 0) {
return;
}
entry = strmap_get_lc(rend_cache_failure, service_id);
if (entry != NULL) {
strmap_remove_lc(rend_cache_failure, service_id);
rend_cache_failure_entry_free(entry);
}
}
/** Remove all entries that re REND_CACHE_FAILURE_MAX_AGE old. This is
* called every second.
*
* We have to clean these regurlarly else if for whatever reasons an hidden
* service goes offline and a client tries to connect to it during that
* time, a failure entry is created and the client will be unable to connect
* for a while even though the service has return online. */
void
rend_cache_failure_clean(time_t now)
{
time_t cutoff = now - REND_CACHE_FAILURE_MAX_AGE;
STRMAP_FOREACH_MODIFY(rend_cache_failure, key,
rend_cache_failure_t *, ent) {
/* Free and remove every intro failure object that match the cutoff. */
DIGESTMAP_FOREACH_MODIFY(ent->intro_failures, ip_key,
rend_cache_failure_intro_t *, ip_ent) {
if (ip_ent->created_ts < cutoff) {
rend_cache_failure_intro_entry_free(ip_ent);
MAP_DEL_CURRENT(ip_key);
}
} DIGESTMAP_FOREACH_END;
/* If the entry is now empty of intro point failures, remove it. */
if (digestmap_isempty(ent->intro_failures)) {
rend_cache_failure_entry_free(ent);
MAP_DEL_CURRENT(key);
}
} STRMAP_FOREACH_END;
/** Helper: deallocate a rend_cache_failure_t. (Used with strmap_free(),
* which requires a function pointer whose argument is void*). */
STATIC void
rend_cache_failure_entry_free_(void *entry)
{
rend_cache_failure_entry_free(entry);
}
/** Helper: deallocate a rend_cache_failure_t. (Used with strmap_free(),
* which requires a function pointer whose argument is void*). */
static void
rend_cache_failure_entry_free_(void *entry)
{
rend_cache_failure_entry_free(entry);
}
