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Pass the full list of pools to acquire_address, enumerate in providers

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If the provider has access to the full pool list, it can enumerate
them twice, for example to search for existing leases first, and
only search for new leases in a second step.

Fixes lease enumeration in attr-sql using multiple pools.
This commit is contained in:
Martin Willi
2012-09-11 16:18:28 +02:00
parent dc7b79d8a5
commit 594c58e111
10 changed files with 109 additions and 73 deletions
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src/libhydra/plugins/attr_sql/sql_attribute.c
+33 -8
View File
@@ -233,26 +233,51 @@ static host_t* get_lease(private_sql_attribute_t *this, char *name,
}
METHOD(attribute_provider_t, acquire_address, host_t*,
private_sql_attribute_t *this, char *name, identification_t *id,
private_sql_attribute_t *this, linked_list_t *pools, identification_t *id,
host_t *requested)
{
enumerator_t *enumerator;
host_t *address = NULL;
u_int identity, pool, timeout;
char *name;
identity = get_identity(this, id);
if (identity)
{
pool = get_pool(this, name, &timeout);
if (pool)
/* check for an existing lease in all pools */
enumerator = pools->create_enumerator(pools);
while (enumerator->enumerate(enumerator, &name))
{
/* check for an existing lease */
address = check_lease(this, name, pool, identity);
if (address == NULL)
pool = get_pool(this, name, &timeout);
if (pool)
{
/* get an unallocated address or expired lease */
address = get_lease(this, name, pool, timeout, identity);
address = check_lease(this, name, pool, identity);
if (address)
{
break;
}
}
}
enumerator->destroy(enumerator);
if (!address)
{
/* get an unallocated address or expired lease */
enumerator = pools->create_enumerator(pools);
while (enumerator->enumerate(enumerator, &name))
{
pool = get_pool(this, name, &timeout);
if (pool)
{
address = get_lease(this, name, pool, timeout, identity);
if (address)
{
break;
}
}
}
enumerator->destroy(enumerator);
}
}
return address;
}