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authorMatthias Wachs <wachs@net.in.tum.de>2014-01-30 14:16:20 +0000
committerMatthias Wachs <wachs@net.in.tum.de>2014-01-30 14:16:20 +0000
commite34f367380ed951b51895e24d99a81a12899278c (patch)
treef69a83bde0e96cb3def8af1cefa4e7b5548e7bc2
parentff57ba65e29db50bd42e540ba95cb938a5ef8008 (diff)
extending bandwidth tracker api to support notifications
-rw-r--r--src/ats/gnunet-service-ats_reservations.c2
-rw-r--r--src/fragmentation/test_fragmentation.c2
-rw-r--r--src/include/gnunet_bandwidth_lib.h23
-rw-r--r--src/include/gnunet_transport_plugin.h7
-rw-r--r--src/transport/gnunet-service-transport_neighbours.c20
-rw-r--r--src/transport/plugin_transport_bluetooth.c2
-rw-r--r--src/transport/plugin_transport_udp.c2
-rw-r--r--src/transport/plugin_transport_wlan.c2
-rw-r--r--src/transport/transport_api.c18
-rw-r--r--src/util/bandwidth.c9
10 files changed, 76 insertions, 11 deletions
diff --git a/src/ats/gnunet-service-ats_reservations.c b/src/ats/gnunet-service-ats_reservations.c
index c489ba723..cb95ad80f 100644
--- a/src/ats/gnunet-service-ats_reservations.c
+++ b/src/ats/gnunet-service-ats_reservations.c
@@ -108,7 +108,7 @@ GAS_reservations_set_bandwidth (const struct GNUNET_PeerIdentity *peer,
if (NULL == tracker)
{
tracker = GNUNET_new (struct GNUNET_BANDWIDTH_Tracker);
- GNUNET_BANDWIDTH_tracker_init (tracker, bandwidth_in,
+ GNUNET_BANDWIDTH_tracker_init (tracker, NULL, NULL, bandwidth_in,
MAX_BANDWIDTH_CARRY_S);
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (trackers, peer, tracker,
diff --git a/src/fragmentation/test_fragmentation.c b/src/fragmentation/test_fragmentation.c
index c41272d42..5f102f439 100644
--- a/src/fragmentation/test_fragmentation.c
+++ b/src/fragmentation/test_fragmentation.c
@@ -241,7 +241,7 @@ main (int argc, char *argv[])
"WARNING",
NULL);
for (i = 0; i < NUM_MSGS; i++)
- GNUNET_BANDWIDTH_tracker_init (&trackers[i],
+ GNUNET_BANDWIDTH_tracker_init (&trackers[i], NULL, NULL,
GNUNET_BANDWIDTH_value_init ((i + 1) * 1024),
100);
GNUNET_PROGRAM_run (5, argv_prog, "test-fragmentation", "nohelp", options,
diff --git a/src/include/gnunet_bandwidth_lib.h b/src/include/gnunet_bandwidth_lib.h
index 91ae3e2b8..0cade7902 100644
--- a/src/include/gnunet_bandwidth_lib.h
+++ b/src/include/gnunet_bandwidth_lib.h
@@ -52,6 +52,17 @@ struct GNUNET_BANDWIDTH_Value32NBO
};
GNUNET_NETWORK_STRUCT_END
+
+/**
+ * Callback to be called by the bandwidth tracker if the tracker
+ * was updated and the client should update it's delay values
+ *
+ * @param cls a closure to pass
+ */
+void
+typedef (*GNUNET_BANDWIDTH_tracker_update_cb) (void *cls);
+
+
/**
* Struct to track available bandwidth. Combines a time stamp with a
* number of bytes transmitted, a quota and a maximum amount that
@@ -61,6 +72,10 @@ GNUNET_NETWORK_STRUCT_END
*/
struct GNUNET_BANDWIDTH_Tracker
{
+ void *update_cb_cls;
+
+ GNUNET_BANDWIDTH_tracker_update_cb update_cb;
+
/**
* Number of bytes consumed since we last updated the tracker.
*/
@@ -129,7 +144,6 @@ GNUNET_BANDWIDTH_value_get_delay_for (struct GNUNET_BANDWIDTH_Value32NBO bps,
uint64_t size);
-
/**
* Compute the MIN of two bandwidth values.
*
@@ -152,14 +166,19 @@ GNUNET_BANDWIDTH_value_min (struct GNUNET_BANDWIDTH_Value32NBO b1,
* bytes).
*
* @param av tracker to initialize
+ * @param update_cb callback to notify a client about the tracker being updated
+ * @param update_cb_cls cls for the callback
* @param bytes_per_second_limit initial limit to assume
* @param max_carry_s maximum number of seconds unused bandwidth
* may accumulate before it expires
*/
void
GNUNET_BANDWIDTH_tracker_init (struct GNUNET_BANDWIDTH_Tracker *av,
+ GNUNET_BANDWIDTH_tracker_update_cb update_cb,
+ void *update_cb_cls,
struct GNUNET_BANDWIDTH_Value32NBO
- bytes_per_second_limit, uint32_t max_carry_s);
+ bytes_per_second_limit,
+ uint32_t max_carry_s);
/**
diff --git a/src/include/gnunet_transport_plugin.h b/src/include/gnunet_transport_plugin.h
index bf84819ad..187d5d508 100644
--- a/src/include/gnunet_transport_plugin.h
+++ b/src/include/gnunet_transport_plugin.h
@@ -576,6 +576,13 @@ struct GNUNET_TRANSPORT_PluginFunctions
GNUNET_TRANSPORT_UpdateSessionTimeout update_session_timeout;
/**
+ * Function that will be called whenever the transport service wants to
+ * notify the plugin that the inbound quota changed and that the plugin
+ * should update it's delay for the next receive value
+ */
+ //GNUNET_TRANSPORT_UpdateNextReceiveTimeout update_next_receive_timeout;
+
+ /**
* Function that is used to query keepalive factor.
* GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT is divided by this number to
* calculate the interval between keepalive packets.
diff --git a/src/transport/gnunet-service-transport_neighbours.c b/src/transport/gnunet-service-transport_neighbours.c
index b82bd8694..58cb0fbb3 100644
--- a/src/transport/gnunet-service-transport_neighbours.c
+++ b/src/transport/gnunet-service-transport_neighbours.c
@@ -1689,6 +1689,15 @@ send_session_connect_ack_message (const struct GNUNET_HELLO_Address *address,
}
+static void
+inbound_bw_tracker_update (void *cls)
+{
+ struct Neighbour *n = cls;
+
+ /* Quota was updated, tell plugins to update the time to receive next */
+
+}
+
/**
* Create a fresh entry in the neighbour map for the given peer
@@ -1712,7 +1721,7 @@ setup_neighbour (const struct GNUNET_PeerIdentity *peer)
n->util_payload_bytes_sent = 0;
n->util_total_bytes_recv = 0;
n->util_total_bytes_sent = 0;
- GNUNET_BANDWIDTH_tracker_init (&n->in_tracker,
+ GNUNET_BANDWIDTH_tracker_init (&n->in_tracker, &inbound_bw_tracker_update, n,
GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT,
MAX_BANDWIDTH_CARRY_S);
n->task = GNUNET_SCHEDULER_add_now (&master_task, n);
@@ -2535,6 +2544,7 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out)
{
struct NeighbourMapEntry *n;
+ struct GST_BlacklistCheck *blc;
struct GNUNET_TRANSPORT_PluginFunctions *papi;
struct BlacklistCheckSwitchContext *blc_ctx;
int c;
@@ -2601,8 +2611,11 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
}
GNUNET_CONTAINER_DLL_insert (pending_bc_head, pending_bc_tail, blc_ctx);
- blc_ctx->blc = GST_blacklist_test_allowed (peer, address->transport_name,
- &switch_address_bl_check_cont, blc_ctx);
+ if (NULL != (blc = GST_blacklist_test_allowed (peer, address->transport_name,
+ &switch_address_bl_check_cont, blc_ctx)))
+ {
+ blc_ctx->blc = blc;
+ }
}
@@ -3338,7 +3351,6 @@ GST_neighbours_test_connected (const struct GNUNET_PeerIdentity *target)
return test_connected (lookup_neighbour (target));
}
-
/**
* Change the incoming quota for the given peer.
*
diff --git a/src/transport/plugin_transport_bluetooth.c b/src/transport/plugin_transport_bluetooth.c
index 8d751f443..266276730 100644
--- a/src/transport/plugin_transport_bluetooth.c
+++ b/src/transport/plugin_transport_bluetooth.c
@@ -1943,7 +1943,7 @@ libgnunet_plugin_transport_bluetooth_init (void *cls)
0, GNUNET_NO);
GNUNET_STATISTICS_set (plugin->env->stats, _("# Bluetooth MAC endpoints allocated"),
0, 0);
- GNUNET_BANDWIDTH_tracker_init (&plugin->tracker,
+ GNUNET_BANDWIDTH_tracker_init (&plugin->tracker, NULL, NULL,
GNUNET_BANDWIDTH_value_init (100 * 1024 *
1024 / 8), 100);
plugin->fragment_data_tokenizer = GNUNET_SERVER_mst_create (&process_data, plugin);
diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c
index be3f3f8d9..a50aaa436 100644
--- a/src/transport/plugin_transport_udp.c
+++ b/src/transport/plugin_transport_udp.c
@@ -3007,7 +3007,7 @@ libgnunet_plugin_transport_udp_init (void *cls)
p->defrag_ctxs = GNUNET_CONTAINER_heap_create (
GNUNET_CONTAINER_HEAP_ORDER_MIN);
p->mst = GNUNET_SERVER_mst_create (&process_inbound_tokenized_messages, p);
- GNUNET_BANDWIDTH_tracker_init (&p->tracker,
+ GNUNET_BANDWIDTH_tracker_init (&p->tracker, NULL, NULL,
GNUNET_BANDWIDTH_value_init ((uint32_t) udp_max_bps), 30);
plugin = p;
diff --git a/src/transport/plugin_transport_wlan.c b/src/transport/plugin_transport_wlan.c
index e3dd24fdb..36e09fdd7 100644
--- a/src/transport/plugin_transport_wlan.c
+++ b/src/transport/plugin_transport_wlan.c
@@ -1949,7 +1949,7 @@ libgnunet_plugin_transport_wlan_init (void *cls)
0, GNUNET_NO);
GNUNET_STATISTICS_set (plugin->env->stats, _("# WLAN MAC endpoints allocated"),
0, 0);
- GNUNET_BANDWIDTH_tracker_init (&plugin->tracker,
+ GNUNET_BANDWIDTH_tracker_init (&plugin->tracker, NULL, NULL,
GNUNET_BANDWIDTH_value_init (100 * 1024 *
1024 / 8), 100);
plugin->fragment_data_tokenizer = GNUNET_SERVER_mst_create (&process_data, plugin);
diff --git a/src/transport/transport_api.c b/src/transport/transport_api.c
index 292aca5f0..ac7c55599 100644
--- a/src/transport/transport_api.c
+++ b/src/transport/transport_api.c
@@ -419,6 +419,23 @@ neighbour_find (struct GNUNET_TRANSPORT_Handle *h,
}
+
+static void
+outbound_bw_tracker_update (void *cls)
+{
+ struct Neighbour *n = cls;
+ struct GNUNET_TIME_Relative delay;
+ if (NULL == n->hn)
+ return;
+
+ delay = GNUNET_BANDWIDTH_tracker_get_delay (&n->out_tracker,
+ n->th->notify_size + n->traffic_overhead);
+ GNUNET_CONTAINER_heap_update_cost (n->h->ready_heap,
+ n->hn, delay.rel_value_us);
+ schedule_transmission (n->h);
+}
+
+
/**
* Add neighbour to our list
*
@@ -439,6 +456,7 @@ neighbour_add (struct GNUNET_TRANSPORT_Handle *h,
n->is_ready = GNUNET_YES;
n->traffic_overhead = 0;
GNUNET_BANDWIDTH_tracker_init (&n->out_tracker,
+ outbound_bw_tracker_update, n,
GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT,
MAX_BANDWIDTH_CARRY_S);
GNUNET_assert (GNUNET_OK ==
diff --git a/src/util/bandwidth.c b/src/util/bandwidth.c
index 79497ad51..f056c1aee 100644
--- a/src/util/bandwidth.c
+++ b/src/util/bandwidth.c
@@ -120,6 +120,7 @@ GNUNET_BANDWIDTH_value_get_delay_for (struct GNUNET_BANDWIDTH_Value32NBO bps,
}
+
/**
* Initialize bandwidth tracker. Note that in addition to the
* 'max_carry_s' limit, we also always allow at least
@@ -130,15 +131,21 @@ GNUNET_BANDWIDTH_value_get_delay_for (struct GNUNET_BANDWIDTH_Value32NBO bps,
* bytes).
*
* @param av tracker to initialize
+ * @param update_cb callback to notify a client about the tracker being updated
+ * @param update_cb_cls cls for the callback
* @param bytes_per_second_limit initial limit to assume
* @param max_carry_s maximum number of seconds unused bandwidth
* may accumulate before it expires
*/
void
GNUNET_BANDWIDTH_tracker_init (struct GNUNET_BANDWIDTH_Tracker *av,
+ GNUNET_BANDWIDTH_tracker_update_cb update_cb,
+ void *update_cb_cls,
struct GNUNET_BANDWIDTH_Value32NBO
bytes_per_second_limit, uint32_t max_carry_s)
{
+ av->update_cb = update_cb;
+ av->update_cb_cls = update_cb_cls;
av->consumption_since_last_update__ = 0;
av->last_update__ = GNUNET_TIME_absolute_get ();
av->available_bytes_per_s__ = ntohl (bytes_per_second_limit.value__);
@@ -327,6 +334,8 @@ GNUNET_BANDWIDTH_tracker_update_quota (struct GNUNET_BANDWIDTH_Tracker *av,
update_tracker (av);
old_limit = av->available_bytes_per_s__;
av->available_bytes_per_s__ = new_limit;
+ if (NULL != av->update_cb)
+ av->update_cb (av->update_cb_cls);
if (old_limit > new_limit)
update_tracker (av); /* maximum excess might be less now */
}