/*
This file is part of GNUnet
- (C) 2010 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
- * @file block/plugin_block_dht.c
+ * @file dht/plugin_block_dht.c
* @brief block plugin for DHT internals (right now, find-peer requests only);
* other plugins should be used to store "useful" data in the
* DHT (see fs block plugin)
/**
* Function called to validate a reply or a request. For
- * request evaluation, simply pass "NULL" for the reply_block.
+ * request evaluation, simply pass "NULL" for the @a reply_block.
*
* @param cls closure
* @param type block type
+ * @param eo control flags
* @param query original query (hash)
* @param bf pointer to bloom filter associated with query; possibly updated (!)
- * @param bf_mutator mutation value for bf
+ * @param bf_mutator mutation value for @a bf
* @param xquery extended query data (can be NULL, depending on type)
- * @param xquery_size number of bytes in xquery
+ * @param xquery_size number of bytes in @a xquery
* @param reply_block response to validate
- * @param reply_block_size number of bytes in reply block
+ * @param reply_block_size number of bytes in @a reply_block
* @return characterization of result
*/
static enum GNUNET_BLOCK_EvaluationResult
-block_plugin_dht_evaluate (void *cls, enum GNUNET_BLOCK_Type type,
- const GNUNET_HashCode * query,
+block_plugin_dht_evaluate (void *cls,
+ enum GNUNET_BLOCK_Type type,
+ enum GNUNET_BLOCK_EvaluationOptions eo,
+ const struct GNUNET_HashCode *query,
struct GNUNET_CONTAINER_BloomFilter **bf,
- int32_t bf_mutator, const void *xquery,
- size_t xquery_size, const void *reply_block,
+ int32_t bf_mutator,
+ const void *xquery,
+ size_t xquery_size,
+ const void *reply_block,
size_t reply_block_size)
{
- GNUNET_HashCode mhash;
+ struct GNUNET_HashCode mhash;
const struct GNUNET_HELLO_Message *hello;
struct GNUNET_PeerIdentity pid;
const struct GNUNET_MessageHeader *msg;
+ struct GNUNET_HashCode phash;
if (type != GNUNET_BLOCK_TYPE_DHT_HELLO)
return GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED;
if (xquery_size != 0)
+ {
+ GNUNET_break_op (0);
return GNUNET_BLOCK_EVALUATION_REQUEST_INVALID;
- if (reply_block_size == 0)
+ }
+ if (NULL == reply_block)
return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
if (reply_block_size < sizeof (struct GNUNET_MessageHeader))
+ {
+ GNUNET_break_op (0);
return GNUNET_BLOCK_EVALUATION_RESULT_INVALID;
+ }
msg = reply_block;
if (reply_block_size != ntohs (msg->size))
+ {
+ GNUNET_break_op (0);
return GNUNET_BLOCK_EVALUATION_RESULT_INVALID;
+ }
hello = reply_block;
if (GNUNET_OK != GNUNET_HELLO_get_id (hello, &pid))
+ {
+ GNUNET_break_op (0);
return GNUNET_BLOCK_EVALUATION_RESULT_INVALID;
+ }
if (NULL != bf)
{
- GNUNET_BLOCK_mingle_hash (&pid.hashPubKey, bf_mutator, &mhash);
+ GNUNET_CRYPTO_hash (&pid, sizeof (pid), &phash);
+ GNUNET_BLOCK_mingle_hash (&phash, bf_mutator, &mhash);
if (NULL != *bf)
{
if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (*bf, &mhash))
}
else
{
- *bf =
- GNUNET_CONTAINER_bloomfilter_init (NULL, 8,
- GNUNET_CONSTANTS_BLOOMFILTER_K);
+ *bf = GNUNET_CONTAINER_bloomfilter_init (NULL, 8,
+ GNUNET_CONSTANTS_BLOOMFILTER_K);
}
GNUNET_CONTAINER_bloomfilter_add (*bf, &mhash);
}
* @param cls closure
* @param type block type
* @param block block to get the key for
- * @param block_size number of bytes in block
+ * @param block_size number of bytes @a block
* @param key set to the key (query) for the given block
- * @return GNUNET_OK on success, GNUNET_SYSERR if type not supported
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR if type not supported
* (or if extracting a key from a block of this type does not work)
*/
static int
block_plugin_dht_get_key (void *cls, enum GNUNET_BLOCK_Type type,
const void *block, size_t block_size,
- GNUNET_HashCode * key)
+ struct GNUNET_HashCode * key)
{
const struct GNUNET_MessageHeader *msg;
const struct GNUNET_HELLO_Message *hello;
return GNUNET_NO;
}
hello = block;
+ memset (key, 0, sizeof (*key));
pid = (struct GNUNET_PeerIdentity *) key;
if (GNUNET_OK != GNUNET_HELLO_get_id (hello, pid))
{
};
struct GNUNET_BLOCK_PluginFunctions *api;
- api = GNUNET_malloc (sizeof (struct GNUNET_BLOCK_PluginFunctions));
+ api = GNUNET_new (struct GNUNET_BLOCK_PluginFunctions);
api->evaluate = &block_plugin_dht_evaluate;
api->get_key = &block_plugin_dht_get_key;
api->types = types;