#define PONG 2
-/**
- * Duration of each round.
- */
-#define ROUND_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
-
/**
* Paximum ping period in milliseconds. Real period = rand (0, PING_PERIOD)
*/
/**
* Ratio of peers active. First round always is 1.0.
*/
-static float rounds[] = {0.8, 0.6, 0.4, 0.2, 0.0};
+static float rounds[] = {0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.0};
/**
* Message type for pings.
*/
struct GNUNET_MESH_Channel *incoming_ch;
+ /**
+ * Channel handle for a warmup channel.
+ */
+ struct GNUNET_MESH_Channel *warmup_ch;
+
/**
* Number of payload packes sent
*/
};
+/**
+ * Duration of each round.
+ */
+static struct GNUNET_TIME_Relative round_time;
+
/**
* GNUNET_PeerIdentity -> MeshPeer
*/
*/
static unsigned int current_round;
+/**
+ * Do preconnect? (Each peer creates a tunnel to one other peer).
+ */
+static int do_warmup;
+
+/**
+ * Warmup progress.
+ */
+static unsigned int peers_warmup;
+
/**
* Flag to notify callbacks not to generate any new traffic anymore.
*/
static int test_finished;
+
+/**
+ * START THE TEST ITSELF, AS WE ARE CONNECTED TO THE MESH SERVICES.
+ *
+ * Testcase continues when the root receives confirmation of connected peers,
+ * on callback funtion ch.
+ *
+ * @param cls Closure (unsued).
+ * @param tc Task Context.
+ */
+static void
+start_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
/**
* Calculate a random delay.
*
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: channel %p\n", i, peers[i].ch);
GNUNET_MESH_channel_destroy (peers[i].ch);
}
+ if (NULL != peers[i].warmup_ch)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: warmup channel %p\n",
+ i, peers[i].warmup_ch);
+ GNUNET_MESH_channel_destroy (peers[i].warmup_ch);
+ }
if (NULL != peers[i].incoming_ch)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: incoming channel %p\n",
adjust_running_peers (rounds[current_round] * peers_total);
current_round++;
- GNUNET_SCHEDULER_add_delayed (ROUND_TIME, &next_rnd, NULL);
+ GNUNET_SCHEDULER_add_delayed (round_time, &next_rnd, NULL);
}
peer = GNUNET_CONTAINER_multipeermap_get (ids, initiator);
GNUNET_assert (NULL != peer);
+ if (NULL == peers[n].incoming)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %3u: %u <= %u\n",
+ peers_warmup, n, get_index (peer));
+ peers_warmup++;
+ if (peers_warmup < peers_total)
+ return NULL;
+ test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &start_test, NULL);
+ return NULL;
+ }
GNUNET_assert (peer == peers[n].incoming);
GNUNET_assert (peer->dest == &peers[n]);
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <= %u %p\n",
}
+/**
+ * Select a random peer that has no incoming channel
+ *
+ * @param peer ID of the peer connecting. NULL if irrelevant (warmup).
+ *
+ * @return Random peer not yet connected to.
+ */
static struct MeshPeer *
select_random_peer (struct MeshPeer *peer)
{
flags = GNUNET_MESH_OPTION_DEFAULT;
for (i = 0; i < peers_pinging; i++)
{
-
peers[i].dest = select_random_peer (&peers[i]);
peers[i].ch = GNUNET_MESH_channel_create (peers[i].mesh, NULL,
&peers[i].dest->id,
if (NULL == peers[i].ch)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Channel %lu failed\n", i);
- GNUNET_SCHEDULER_shutdown ();
+ GNUNET_MESH_TEST_cleanup (test_ctx);
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u => %u %p\n",
if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
GNUNET_SCHEDULER_cancel (disconnect_task);
disconnect_task =
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(ROUND_TIME,
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(round_time,
number_rounds + 1),
&disconnect_mesh_peers,
(void *) __LINE__);
- GNUNET_SCHEDULER_add_delayed (ROUND_TIME, &next_rnd, NULL);
+ GNUNET_SCHEDULER_add_delayed (round_time, &next_rnd, NULL);
}
+/**
+ * Do warmup: create some channels to spread information about the topology.
+ */
+static void
+warmup (void)
+{
+ struct MeshPeer *peer;
+ unsigned int i;
+
+ for (i = 0; i < peers_total; i++)
+ {
+ peer = select_random_peer (NULL);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %u => %u\n",
+ i, get_index (peer));
+ peers[i].warmup_ch =
+ GNUNET_MESH_channel_create (peers[i].mesh, NULL, &peer->id,
+ 1, GNUNET_MESH_OPTION_DEFAULT);
+ if (NULL == peers[i].warmup_ch)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Warmup %u failed\n", i);
+ GNUNET_MESH_TEST_cleanup (test_ctx);
+ return;
+ }
+ }
+}
+
/**
* Callback to be called when the requested peer information is available
*
if (p_ids < peers_total)
return;
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Got all IDs, starting profiler\n");
+ if (do_warmup)
+ {
+ warmup();
+ return; /* start_test from incoming_channel */
+ }
test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
&start_test, NULL);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test main\n");
test_ctx = ctx;
- if (peers_total < 2 * peers_pinging)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "not enough peers, total should be > 2 * peers_pinging\n");
- GNUNET_MESH_TEST_cleanup (ctx);
- return;
- }
GNUNET_assert (peers_total == num_peers);
peers_running = num_peers;
testbed_handles = testbed_peers;
config_file = ".profiler.conf";
- if (3 > argc)
+ if (4 > argc)
+ {
+ fprintf (stderr, "usage: %s ROUND_TIME PEERS PINGS [DO_WARMUP]\n", argv[0]);
+ fprintf (stderr, "example: %s 30s 16 1 Y\n", argv[0]);
+ return 1;
+ }
+
+ if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (argv[1], &round_time))
{
- fprintf (stderr, "usage: %s PEERS PINGS\n", argv[0]);
+ fprintf (stderr, "%s is not a valid time\n", argv[1]);
return 1;
}
- peers_total = atoll (argv[1]);
+
+ peers_total = atoll (argv[2]);
if (2 > peers_total)
{
fprintf (stderr, "%s peers is not valid (> 2)\n", argv[1]);
}
peers = GNUNET_malloc (sizeof (struct MeshPeer) * peers_total);
- peers_pinging = atoll (argv[2]);
+ peers_pinging = atoll (argv[3]);
+
+ if (peers_total < 2 * peers_pinging)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "not enough peers, total should be > 2 * peers_pinging\n");
+ return 1;
+ }
+
+ do_warmup = (5 > argc || argv[4][0] != 'N');
ids = GNUNET_CONTAINER_multipeermap_create (2 * peers_total, GNUNET_YES);
GNUNET_assert (NULL != ids);