* @author Christian Grothoff
*
* To use:
- * - consider re-issue GSF_dht_lookup_ after non-DHT reply received
+ * - consider re-issue GSF_dht_lookup_ after non-DHT reply received
* - implement 'SUPPORT_DELAYS'
*
*/
/**
- * How quickly do we age cover traffic? At the given
+ * How quickly do we age cover traffic? At the given
* time interval, remaining cover traffic counters are
* decremented by 1/16th.
*/
*/
struct GNUNET_LOAD_Value *GSF_rt_entry_lifetime;
+/**
+ * Running average of the observed latency to other peers (round trip).
+ * Initialized to 5s as the initial default.
+ */
+struct GNUNET_TIME_Relative GSF_avg_latency = { 5000 };
+
/**
* Typical priorities we're seeing from other peers right now. Since
* most priorities will be zero, this value is the weighted average of
double GSF_current_priorities;
/**
- * How many query messages have we received 'recently' that
+ * How many query messages have we received 'recently' that
* have not yet been claimed as cover traffic?
*/
unsigned int GSF_cover_query_count;
/**
- * How many content messages have we received 'recently' that
+ * How many content messages have we received 'recently' that
* have not yet been claimed as cover traffic?
*/
unsigned int GSF_cover_content_count;
}
-
/**
* We've just now completed a datastore request. Update our
* datastore load calculations.
/**
* Test if the DATABASE (GET) load on this peer is too high
* to even consider processing the query at
- * all.
- *
+ * all.
+ *
* @return GNUNET_YES if the load is too high to do anything (load high)
* GNUNET_NO to process normally (load normal)
* GNUNET_SYSERR to process for free (load low)
}
+/**
+ * We've received peer performance information. Update
+ * our running average for the P2P latency.
+ *
+ * @param atsi performance information
+ * @param atsi_count number of 'atsi' records
+ */
+static void
+update_latencies (const struct GNUNET_ATS_Information *atsi,
+ unsigned int atsi_count)
+{
+ unsigned int i;
+
+ for (i = 0; i < atsi_count; i++)
+ {
+ if (ntohl (atsi[i].type) == GNUNET_ATS_QUALITY_NET_DELAY)
+ {
+ GSF_avg_latency.rel_value =
+ (GSF_avg_latency.rel_value * 31 + ntohl (atsi[i].value)) / 32;
+ GNUNET_STATISTICS_set (GSF_stats,
+ gettext_noop
+ ("# running average P2P latency (ms)"),
+ GSF_avg_latency.rel_value, GNUNET_NO);
+ break;
+ }
+ }
+}
+
+
/**
* Handle P2P "PUT" message.
*
* for loopback messages where we are both sender and receiver)
* @param message the actual message
* @param atsi performance information
+ * @param atsi_count number of records in 'atsi'
* @return GNUNET_OK to keep the connection open,
* GNUNET_SYSERR to close it (signal serious error)
*/
static int
handle_p2p_put (void *cls, const struct GNUNET_PeerIdentity *other,
const struct GNUNET_MessageHeader *message,
- const struct GNUNET_TRANSPORT_ATS_Information *atsi)
+ const struct GNUNET_ATS_Information *atsi,
+ unsigned int atsi_count)
{
struct GSF_ConnectedPeer *cp;
return GNUNET_OK;
}
GSF_cover_content_count++;
+ update_latencies (atsi, atsi_count);
return GSF_handle_p2p_content_ (cp, message);
}
{
struct GSF_PendingRequest *pr = cls;
+ if (GNUNET_YES != GSF_pending_request_test_target_ (pr, peer))
+ {
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# Loopback routes suppressed"), 1,
+ GNUNET_NO);
+ return;
+ }
GSF_plan_add_ (cp, pr);
}
* for loopback messages where we are both sender and receiver)
* @param message the actual message
* @param atsi performance information
+ * @param atsi_count number of records in 'atsi'
* @return GNUNET_OK to keep the connection open,
* GNUNET_SYSERR to close it (signal serious error)
*/
static int
handle_p2p_get (void *cls, const struct GNUNET_PeerIdentity *other,
const struct GNUNET_MessageHeader *message,
- const struct GNUNET_TRANSPORT_ATS_Information *atsi)
+ const struct GNUNET_ATS_Information *atsi,
+ unsigned int atsi_count)
{
struct GSF_PendingRequest *pr;
if (NULL == pr)
return GNUNET_SYSERR;
GSF_local_lookup_ (pr, &consider_forwarding, NULL);
+ update_latencies (atsi, atsi_count);
return GNUNET_OK;
}
/**
* We're done with the local lookup, now consider
* P2P processing (depending on request options and
- * result status). Also signal that we can now
+ * result status). Also signal that we can now
* receive more request information from the client.
*
* @param cls the client doing the request ('struct GNUNET_SERVER_Client')
struct GSF_PendingRequest *pr)
{
struct GSF_ConnectedPeer *cp = cls;
+ struct GNUNET_PeerIdentity pid;
+ GSF_connected_peer_get_identity_ (cp, &pid);
+ if (GNUNET_YES != GSF_pending_request_test_target_ (pr, &pid))
+ {
+ GNUNET_STATISTICS_update (GSF_stats,
+ gettext_noop ("# Loopback routes suppressed"), 1,
+ GNUNET_NO);
+ return GNUNET_YES;
+ }
GSF_plan_add_ (cp, pr);
return GNUNET_YES;
}
* @param cls closure, not used
* @param peer peer identity this notification is about
* @param atsi performance information
+ * @param atsi_count number of records in 'atsi'
*/
static void
peer_connect_handler (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_TRANSPORT_ATS_Information *atsi)
+ const struct GNUNET_ATS_Information *atsi,
+ unsigned int atsi_count)
{
struct GSF_ConnectedPeer *cp;
if (0 == memcmp (&my_id, peer, sizeof (struct GNUNET_PeerIdentity)))
return;
- cp = GSF_peer_connect_handler_ (peer, atsi);
+ cp = GSF_peer_connect_handler_ (peer, atsi, atsi_count);
if (NULL == cp)
return;
GSF_iterate_pending_requests_ (&consider_peer_for_forwarding, cp);
* @param cls closure
* @param server handle to the server, NULL if we failed
* @param my_identity ID of this peer, NULL if we failed
- * @param publicKey public key of this peer, NULL if we failed
*/
static void
peer_init_handler (void *cls, struct GNUNET_CORE_Handle *server,
- const struct GNUNET_PeerIdentity *my_identity,
- const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded
- *publicKey)
+ const struct GNUNET_PeerIdentity *my_identity)
{
my_id = *my_identity;
}
GSF_core = GNUNET_CORE_connect (GSF_cfg, 2, /* larger? */
NULL, &peer_init_handler,
&peer_connect_handler,
- &GSF_peer_disconnect_handler_,
- &GSF_peer_status_handler_, NULL, GNUNET_NO,
- NULL, GNUNET_NO, p2p_handlers);
+ &GSF_peer_disconnect_handler_, NULL,
+ GNUNET_NO, NULL, GNUNET_NO, p2p_handlers);
if (NULL == GSF_core)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
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