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[GNUnet-SVN] r33413 - in gnunet/src: dht include
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From: |
gnunet |
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Subject: |
[GNUnet-SVN] r33413 - in gnunet/src: dht include |
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Date: |
Tue, 27 May 2014 11:10:21 +0200 |
Author: grothoff
Date: 2014-05-27 11:10:21 +0200 (Tue, 27 May 2014)
New Revision: 33413
Modified:
gnunet/src/dht/gnunet-service-dht_neighbours.c
gnunet/src/dht/gnunet-service-dht_neighbours.h
gnunet/src/include/gnunet_dht_service.h
Log:
enable DHT monitors to distinguish routing requests from requests that
terminate at the local node (for GET/PUT, not for replies)
Modified: gnunet/src/dht/gnunet-service-dht_neighbours.c
===================================================================
--- gnunet/src/dht/gnunet-service-dht_neighbours.c 2014-05-27 09:09:45 UTC
(rev 33412)
+++ gnunet/src/dht/gnunet-service-dht_neighbours.c 2014-05-27 09:10:21 UTC
(rev 33413)
@@ -645,7 +645,7 @@
struct PeerInfo *ret;
struct GNUNET_HashCode phash;
int peer_bucket;
-
+
/* Check for connect to self message */
if (0 == memcmp (&my_identity, peer, sizeof (struct GNUNET_PeerIdentity)))
return;
@@ -784,7 +784,7 @@
struct P2PPendingMessage *pending;
size_t off;
size_t msize;
-
+
peer->th = NULL;
while ((NULL != (pending = peer->head)) &&
(0 == GNUNET_TIME_absolute_get_remaining
(pending->timeout).rel_value_us))
@@ -1256,8 +1256,9 @@
* @param put_path peers this request has traversed so far (if tracked)
* @param data payload to store
* @param data_size number of bytes in @a data
+ * @return #GNUNET_OK if the request was forwarded, #GNUNET_NO if not
*/
-void
+int
GDS_NEIGHBOURS_handle_put (enum GNUNET_BLOCK_Type type,
enum GNUNET_DHT_RouteOption options,
uint32_t desired_replication_level,
@@ -1278,6 +1279,7 @@
struct PeerPutMessage *ppm;
struct GNUNET_PeerIdentity *pp;
struct GNUNET_HashCode thash;
+ unsigned int skip_count;
GNUNET_assert (NULL != bf);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
@@ -1295,7 +1297,7 @@
"Routing PUT for %s terminates after %u hops at %s\n",
GNUNET_h2s (key), (unsigned int) hop_count,
GNUNET_i2s (&my_identity));
- return;
+ return GNUNET_NO;
}
msize =
put_path_length * sizeof (struct GNUNET_PeerIdentity) + data_size +
@@ -1309,20 +1311,24 @@
{
GNUNET_break (0);
GNUNET_free (targets);
- return;
+ return GNUNET_NO;
}
GNUNET_STATISTICS_update (GDS_stats,
gettext_noop
("# PUT messages queued for transmission"),
target_count, GNUNET_NO);
+ skip_count = 0;
for (i = 0; i < target_count; i++)
{
target = targets[i];
if (target->pending_count >= MAXIMUM_PENDING_PER_PEER)
{
- GNUNET_STATISTICS_update (GDS_stats, gettext_noop ("# P2P messages
dropped due to full queue"),
+ /* skip */
+ GNUNET_STATISTICS_update (GDS_stats,
+ gettext_noop ("# P2P messages dropped due to
full queue"),
1, GNUNET_NO);
- continue; /* skip */
+ skip_count++;
+ continue;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Routing PUT for %s after %u hops to %s\n", GNUNET_h2s (key),
@@ -1360,6 +1366,7 @@
process_peer_queue (target);
}
GNUNET_free (targets);
+ return (skip_count < target_count) ? GNUNET_OK : GNUNET_NO;
}
@@ -1379,8 +1386,9 @@
* @param reply_bf bloomfilter to filter duplicates
* @param reply_bf_mutator mutator for @a reply_bf
* @param peer_bf filter for peers not to select (again)
+ * @return #GNUNET_OK if the request was forwarded, #GNUNET_NO if not
*/
-void
+int
GDS_NEIGHBOURS_handle_get (enum GNUNET_BLOCK_Type type,
enum GNUNET_DHT_RouteOption options,
uint32_t desired_replication_level,
@@ -1400,6 +1408,7 @@
char *xq;
size_t reply_bf_size;
struct GNUNET_HashCode thash;
+ unsigned int skip_count;
GNUNET_assert (NULL != peer_bf);
GNUNET_STATISTICS_update (GDS_stats, gettext_noop ("# GET requests routed"),
@@ -1417,7 +1426,7 @@
"Routing GET for %s terminates after %u hops at %s\n",
GNUNET_h2s (key), (unsigned int) hop_count,
GNUNET_i2s (&my_identity));
- return;
+ return GNUNET_NO;
}
reply_bf_size = GNUNET_CONTAINER_bloomfilter_get_size (reply_bf);
msize = xquery_size + sizeof (struct PeerGetMessage) + reply_bf_size;
@@ -1425,21 +1434,25 @@
{
GNUNET_break (0);
GNUNET_free (targets);
- return;
+ return GNUNET_NO;
}
GNUNET_STATISTICS_update (GDS_stats,
gettext_noop
("# GET messages queued for transmission"),
target_count, GNUNET_NO);
/* forward request */
+ skip_count = 0;
for (i = 0; i < target_count; i++)
{
target = targets[i];
if (target->pending_count >= MAXIMUM_PENDING_PER_PEER)
{
- GNUNET_STATISTICS_update (GDS_stats, gettext_noop ("# P2P messages
dropped due to full queue"),
+ /* skip */
+ GNUNET_STATISTICS_update (GDS_stats,
+ gettext_noop ("# P2P messages dropped due to
full queue"),
1, GNUNET_NO);
- continue; /* skip */
+ skip_count++;
+ continue;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Routing GET for %s after %u hops to %s\n", GNUNET_h2s (key),
@@ -1481,6 +1494,7 @@
process_peer_queue (target);
}
GNUNET_free (targets);
+ return (skip_count < target_count) ? GNUNET_OK : GNUNET_NO;
}
@@ -1614,6 +1628,7 @@
struct GNUNET_CONTAINER_BloomFilter *bf;
struct GNUNET_HashCode test_key;
struct GNUNET_HashCode phash;
+ int forwarded;
msize = ntohs (message->size);
if (msize < sizeof (struct PeerPutMessage))
@@ -1644,7 +1659,7 @@
payload_size =
msize - (sizeof (struct PeerPutMessage) +
putlen * sizeof (struct GNUNET_PeerIdentity));
-
+
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "PUT for `%s' from %s\n",
GNUNET_h2s (&put->key), GNUNET_i2s (peer));
GNUNET_CRYPTO_hash (peer, sizeof (struct GNUNET_PeerIdentity), &phash);
@@ -1738,13 +1753,16 @@
(put->expiration_time), &put->key, putlen, pp,
ntohl (put->type), payload_size, payload);
/* route to other peers */
- GDS_NEIGHBOURS_handle_put (ntohl (put->type), options,
- ntohl (put->desired_replication_level),
- GNUNET_TIME_absolute_ntoh
(put->expiration_time),
- ntohl (put->hop_count), bf, &put->key, putlen,
- pp, payload, payload_size);
+ forwarded = GDS_NEIGHBOURS_handle_put (ntohl (put->type), options,
+ ntohl
(put->desired_replication_level),
+ GNUNET_TIME_absolute_ntoh
(put->expiration_time),
+ ntohl (put->hop_count), bf,
+ &put->key, putlen,
+ pp, payload, payload_size);
/* notify monitoring clients */
- GDS_CLIENTS_process_put (options,
+ GDS_CLIENTS_process_put (options
+ | (GNUNET_OK == forwarded)
+ ? GNUNET_DHT_RO_LAST_HOP : 0,
ntohl (put->type),
ntohl (put->hop_count),
ntohl (put->desired_replication_level),
@@ -1863,7 +1881,8 @@
* #GNUNET_SYSERR to close it (signal serious error)
*/
static int
-handle_dht_p2p_get (void *cls, const struct GNUNET_PeerIdentity *peer,
+handle_dht_p2p_get (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message)
{
struct PeerGetMessage *get;
@@ -1877,6 +1896,7 @@
struct GNUNET_CONTAINER_BloomFilter *peer_bf;
const char *xquery;
struct GNUNET_HashCode phash;
+ int forwarded;
GNUNET_break (0 !=
memcmp (peer, &my_identity,
@@ -1906,7 +1926,9 @@
GNUNET_STATISTICS_update (GDS_stats,
gettext_noop ("# P2P GET bytes received"), msize,
GNUNET_NO);
- GNUNET_CRYPTO_hash (peer, sizeof (struct GNUNET_PeerIdentity), &phash);
+ GNUNET_CRYPTO_hash (peer,
+ sizeof (struct GNUNET_PeerIdentity),
+ &phash);
if (GNUNET_YES == log_route_details_stderr)
{
char *tmp;
@@ -1918,8 +1940,7 @@
ntohl(get->hop_count),
GNUNET_CRYPTO_hash_matching_bits (&phash, &get->key),
GNUNET_CRYPTO_hash_matching_bits (&my_identity_hash,
&get->key),
- ntohl(get->xquery_size), xquery
- );
+ ntohl(get->xquery_size), xquery);
GNUNET_free (tmp);
}
@@ -1947,8 +1968,10 @@
/* remember request for routing replies */
GDS_ROUTING_add (peer, type, options, &get->key, xquery, xquery_size,
reply_bf, get->bf_mutator);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "GET for %s at %s after %u hops\n",
- GNUNET_h2s (&get->key), GNUNET_i2s (&my_identity),
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "GET for %s at %s after %u hops\n",
+ GNUNET_h2s (&get->key),
+ GNUNET_i2s (&my_identity),
(unsigned int) ntohl (get->hop_count));
/* local lookup (this may update the reply_bf) */
if ((0 != (options & GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE)) ||
@@ -1976,19 +1999,27 @@
1, GNUNET_NO);
}
- GDS_CLIENTS_process_get (options,
+ /* P2P forwarding */
+ forwarded = GNUNET_NO;
+ if (eval != GNUNET_BLOCK_EVALUATION_OK_LAST)
+ forwarded = GDS_NEIGHBOURS_handle_get (type, options,
+ ntohl
(get->desired_replication_level),
+ ntohl (get->hop_count),
+ &get->key,
+ xquery,
+ xquery_size,
+ reply_bf,
+ get->bf_mutator, peer_bf);
+ GDS_CLIENTS_process_get (options
+ | (GNUNET_OK == forwarded)
+ ? GNUNET_DHT_RO_LAST_HOP : 0,
type,
- ntohl(get->hop_count),
- ntohl(get->desired_replication_level),
+ ntohl (get->hop_count),
+ ntohl (get->desired_replication_level),
0, NULL,
&get->key);
- /* P2P forwarding */
- if (eval != GNUNET_BLOCK_EVALUATION_OK_LAST)
- GDS_NEIGHBOURS_handle_get (type, options,
- ntohl (get->desired_replication_level),
- ntohl (get->hop_count), &get->key, xquery,
- xquery_size, reply_bf, get->bf_mutator,
peer_bf);
+
/* clean up */
if (NULL != reply_bf)
GNUNET_CONTAINER_bloomfilter_free (reply_bf);
Modified: gnunet/src/dht/gnunet-service-dht_neighbours.h
===================================================================
--- gnunet/src/dht/gnunet-service-dht_neighbours.h 2014-05-27 09:09:45 UTC
(rev 33412)
+++ gnunet/src/dht/gnunet-service-dht_neighbours.h 2014-05-27 09:10:21 UTC
(rev 33413)
@@ -49,8 +49,9 @@
* @param put_path peers this request has traversed so far (if tracked)
* @param data payload to store
* @param data_size number of bytes in data
+ * @return #GNUNET_OK if the request was forwarded, #GNUNET_NO if not
*/
-void
+int
GDS_NEIGHBOURS_handle_put (enum GNUNET_BLOCK_Type type,
enum GNUNET_DHT_RouteOption options,
uint32_t desired_replication_level,
@@ -79,8 +80,9 @@
* @param reply_bf bloomfilter to filter duplicates
* @param reply_bf_mutator mutator for @a reply_bf
* @param peer_bf filter for peers not to select (again, updated)
+ * @return #GNUNET_OK if the request was forwarded, #GNUNET_NO if not
*/
-void
+int
GDS_NEIGHBOURS_handle_get (enum GNUNET_BLOCK_Type type,
enum GNUNET_DHT_RouteOption options,
uint32_t desired_replication_level,
Modified: gnunet/src/include/gnunet_dht_service.h
===================================================================
--- gnunet/src/include/gnunet_dht_service.h 2014-05-27 09:09:45 UTC (rev
33412)
+++ gnunet/src/include/gnunet_dht_service.h 2014-05-27 09:10:21 UTC (rev
33413)
@@ -95,7 +95,12 @@
/**
* Possible message option for query key randomization.
*/
- GNUNET_DHT_RO_BART = 8
+ GNUNET_DHT_RO_BART = 8,
+
+ /**
+ * Flag given to monitors if this was the last hop for a GET/PUT.
+ */
+ GNUNET_DHT_RO_LAST_HOP = 16
};
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