2 This file is part of GNUnet.
3 (C) 2011 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file mesh/gnunet-mesh-profiler.c
23 * @brief Profiler for mesh experiments.
27 #include "mesh_test_lib.h"
28 #include "gnunet_mesh_service.h"
29 #include "gnunet_statistics_service.h"
37 * Paximum ping period in milliseconds. Real period = rand (0, PING_PERIOD)
39 #define PING_PERIOD 1000
42 * How long until we give up on connecting the peers?
44 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
47 * Time to wait for stuff that should be rather fast
49 #define SHORT_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
52 * Total number of rounds.
54 #define number_rounds sizeof(rounds)/sizeof(rounds[0])
57 * Ratio of peers active. First round always is 1.0.
59 static float rounds[] = {0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.0};
62 * Message type for pings.
64 struct MeshPingMessage
67 * Header. Type PING/PONG.
69 struct GNUNET_MessageHeader header;
77 * Time the message was sent.
79 struct GNUNET_TIME_AbsoluteNBO timestamp;
84 uint32_t round_number;
93 * Testbed Operation (to get peer id, etc).
95 struct GNUNET_TESTBED_Operation *op;
100 struct GNUNET_PeerIdentity id;
103 * Mesh handle for the root peer
105 struct GNUNET_MESH_Handle *mesh;
108 * Channel handle for the root peer
110 struct GNUNET_MESH_Channel *ch;
113 * Channel handle for the dest peer
115 struct GNUNET_MESH_Channel *incoming_ch;
118 * Channel handle for a warmup channel.
120 struct GNUNET_MESH_Channel *warmup_ch;
123 * Number of payload packes sent
128 * Number of payload packets received
138 * Destinaton to ping.
140 struct MeshPeer *dest;
143 * Incoming channel for pings.
145 struct MeshPeer *incoming;
148 * Task to do the next ping.
150 GNUNET_SCHEDULER_TaskIdentifier ping_task;
152 float mean[number_rounds];
153 float var[number_rounds];
154 unsigned int pongs[number_rounds];
155 unsigned int pings[number_rounds];
160 * Duration of each round.
162 static struct GNUNET_TIME_Relative round_time;
165 * GNUNET_PeerIdentity -> MeshPeer
167 static struct GNUNET_CONTAINER_MultiPeerMap *ids;
170 * Testbed peer handles.
172 static struct GNUNET_TESTBED_Peer **testbed_handles;
175 * Testbed Operation (to get stats).
177 static struct GNUNET_TESTBED_Operation *stats_op;
180 * Operation to get peer ids.
182 struct MeshPeer *peers;
187 static unsigned int p_ids;
190 * Total number of peers.
192 static unsigned long long peers_total;
195 * Number of currently running peers.
197 static unsigned long long peers_running;
200 * Number of peers doing pings.
202 static unsigned long long peers_pinging;
205 * Test context (to shut down).
207 static struct GNUNET_MESH_TEST_Context *test_ctx;
210 * Task called to shutdown test.
212 static GNUNET_SCHEDULER_TaskIdentifier shutdown_handle;
215 * Task called to disconnect peers, before shutdown.
217 static GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
220 * Task to perform tests
222 static GNUNET_SCHEDULER_TaskIdentifier test_task;
227 static unsigned int current_round;
231 * Do preconnect? (Each peer creates a tunnel to one other peer).
233 static int do_warmup;
236 * Flag to notify callbacks not to generate any new traffic anymore.
238 static int test_finished;
241 * Calculate a random delay.
243 * @param max Exclusive maximum, in ms.
245 * @return A time between 0 a max-1 ms.
247 static struct GNUNET_TIME_Relative
248 delay_ms_rnd (unsigned int max)
252 rnd = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, max);
253 return GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, rnd);
258 * Get the index of a peer in the peers array.
260 * @param peer Peer whose index to get.
262 * @return Index of peer in peers.
265 get_index (struct MeshPeer *peer)
272 * Show the results of the test (banwidth acheived) and log them to GAUGER
277 struct MeshPeer *peer;
281 for (i = 0; i < number_rounds; i++)
283 for (j = 0; j < peers_pinging; j++)
287 "ROUND %3u PEER %3u: %10.2f / %10.2f, PINGS: %3u, PONGS: %3u\n",
288 i, j, peer->mean[i], sqrt (peer->var[i] / (peer->pongs[i] - 1)),
289 peer->pings[i], peer->pongs[i]);
296 * Shut down peergroup, clean up.
298 * @param cls Closure (unused).
299 * @param tc Task Context.
302 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
304 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Ending test.\n");
305 shutdown_handle = GNUNET_SCHEDULER_NO_TASK;
310 * Disconnect from mesh services af all peers, call shutdown.
312 * @param cls Closure (unused).
313 * @param tc Task Context.
316 disconnect_mesh_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
318 long line = (long) cls;
321 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
322 "disconnecting mesh service, called from line %ld\n", line);
323 disconnect_task = GNUNET_SCHEDULER_NO_TASK;
324 for (i = 0; i < peers_total; i++)
326 if (NULL != peers[i].op)
327 GNUNET_TESTBED_operation_done (peers[i].op);
329 if (peers[i].up != GNUNET_YES)
332 if (NULL != peers[i].ch)
334 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: channel %p\n", i, peers[i].ch);
335 GNUNET_MESH_channel_destroy (peers[i].ch);
337 if (NULL != peers[i].warmup_ch)
339 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: warmup channel %p\n",
340 i, peers[i].warmup_ch);
341 GNUNET_MESH_channel_destroy (peers[i].warmup_ch);
343 if (NULL != peers[i].incoming_ch)
345 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: incoming channel %p\n",
346 i, peers[i].incoming_ch);
347 GNUNET_MESH_channel_destroy (peers[i].incoming_ch);
350 GNUNET_MESH_TEST_cleanup (test_ctx);
351 if (GNUNET_SCHEDULER_NO_TASK != shutdown_handle)
353 GNUNET_SCHEDULER_cancel (shutdown_handle);
355 shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
360 * Finish test normally: schedule disconnect and shutdown
362 * @param line Line in the code the abort is requested from (__LINE__).
365 abort_test (long line)
367 if (disconnect_task != GNUNET_SCHEDULER_NO_TASK)
369 GNUNET_SCHEDULER_cancel (disconnect_task);
370 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
376 * Stats callback. Finish the stats testbed operation and when all stats have
377 * been iterated, shutdown the test.
380 * @param op the operation that has been finished
381 * @param emsg error message in case the operation has failed; will be NULL if
382 * operation has executed successfully.
385 stats_cont (void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg)
387 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "... collecting statistics done.\n");
388 GNUNET_TESTBED_operation_done (stats_op);
390 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
391 GNUNET_SCHEDULER_cancel (disconnect_task);
392 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
399 * Process statistic values.
402 * @param peer the peer the statistic belong to
403 * @param subsystem name of subsystem that created the statistic
404 * @param name the name of the datum
405 * @param value the current value
406 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
407 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
410 stats_iterator (void *cls, const struct GNUNET_TESTBED_Peer *peer,
411 const char *subsystem, const char *name,
412 uint64_t value, int is_persistent)
416 i = GNUNET_TESTBED_get_index (peer);
417 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " STATS %u - %s [%s]: %llu\n",
418 i, subsystem, name, value);
425 * Task check that keepalives were sent and received.
427 * @param cls Closure (NULL).
428 * @param tc Task Context.
431 collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
433 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
436 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Start collecting statistics...\n");
437 stats_op = GNUNET_TESTBED_get_statistics (peers_total, testbed_handles,
439 stats_iterator, stats_cont, NULL);
444 * @brief Finish profiler normally. Signal finish and start collecting stats.
446 * @param cls Closure (unused).
447 * @param tc Task context.
450 finish_profiler (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
452 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
455 test_finished = GNUNET_YES;
457 GNUNET_SCHEDULER_add_now (&collect_stats, NULL);
461 * Set the total number of running peers.
463 * @param target Desired number of running peers.
466 adjust_running_peers (unsigned int target)
468 struct GNUNET_TESTBED_Operation *op;
474 GNUNET_assert (target <= peers_total);
476 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "adjust peers to %u\n", target);
477 if (target > peers_running)
479 delta = target - peers_running;
484 delta = peers_running - target;
488 for (i = 0; i < delta; i++)
491 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
492 peers_total - peers_pinging);
494 } while (peers[r].up == run || NULL != peers[r].incoming);
495 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "St%s peer %u: %s\n",
496 run ? "arting" : "opping", r, GNUNET_i2s (&peers[r].id));
498 if (GNUNET_SCHEDULER_NO_TASK != peers[r].ping_task)
499 GNUNET_SCHEDULER_cancel (peers[r].ping_task);
500 peers[r].ping_task = GNUNET_SCHEDULER_NO_TASK;
504 if (NULL != peers[r].ch)
505 GNUNET_MESH_channel_destroy (peers[r].ch);
507 if (NULL != peers[r].dest)
509 if (NULL != peers[r].dest->incoming_ch)
510 GNUNET_MESH_channel_destroy (peers[r].dest->incoming_ch);
511 peers[r].dest->incoming_ch = NULL;
514 op = GNUNET_TESTBED_peer_manage_service (&peers[r], testbed_handles[r],
515 "mesh", NULL, NULL, run);
516 GNUNET_break (NULL != op);
517 peers_running += run ? 1 : -1;
518 GNUNET_assert (peers_running > 0);
524 * @brief Move to next round.
526 * @param cls Closure (round #).
527 * @param tc Task context.
530 next_rnd (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
532 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
535 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "ROUND %ld\n", current_round);
536 if (0.0 == rounds[current_round])
538 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finishing\n");
539 GNUNET_SCHEDULER_add_now (&finish_profiler, NULL);
542 adjust_running_peers (rounds[current_round] * peers_total);
545 GNUNET_SCHEDULER_add_delayed (round_time, &next_rnd, NULL);
550 * Transmit ping callback.
552 * @param cls Closure (peer for PING, NULL for PONG).
553 * @param size Size of the tranmist buffer.
554 * @param buf Pointer to the beginning of the buffer.
556 * @return Number of bytes written to buf.
559 tmt_rdy_ping (void *cls, size_t size, void *buf);
563 * Transmit pong callback.
565 * @param cls Closure (copy of PING message, to be freed).
566 * @param size Size of the buffer we have.
567 * @param buf Buffer to copy data to.
570 tmt_rdy_pong (void *cls, size_t size, void *buf)
572 struct MeshPingMessage *ping = cls;
573 struct MeshPingMessage *pong;
575 if (0 == size || NULL == buf)
580 pong = (struct MeshPingMessage *) buf;
581 memcpy (pong, ping, sizeof (*ping));
582 pong->header.type = htons (PONG);
585 return sizeof (*ping);
590 * @brief Send a ping to destination
592 * @param cls Closure (peer).
593 * @param tc Task context.
596 ping (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
598 struct MeshPeer *peer = (struct MeshPeer *) cls;
600 peer->ping_task = GNUNET_SCHEDULER_NO_TASK;
602 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0
603 || GNUNET_YES == test_finished)
606 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u -> %u (%u)\n",
607 get_index (peer), get_index (peer->dest), peer->data_sent);
609 GNUNET_MESH_notify_transmit_ready (peer->ch, GNUNET_NO,
610 GNUNET_TIME_UNIT_FOREVER_REL,
611 sizeof (struct MeshPingMessage),
612 &tmt_rdy_ping, peer);
616 * @brief Reply with a pong to origin.
618 * @param cls Closure (peer).
619 * @param tc Task context.
622 pong (struct GNUNET_MESH_Channel *channel, const struct MeshPingMessage *ping)
624 struct MeshPingMessage *copy;
626 copy = GNUNET_new (struct MeshPingMessage);
627 memcpy (copy, ping, sizeof (*ping));
628 GNUNET_MESH_notify_transmit_ready (channel, GNUNET_NO,
629 GNUNET_TIME_UNIT_FOREVER_REL,
630 sizeof (struct MeshPingMessage),
631 &tmt_rdy_pong, copy);
636 * Transmit ping callback
638 * @param cls Closure (peer).
639 * @param size Size of the buffer we have.
640 * @param buf Buffer to copy data to.
643 tmt_rdy_ping (void *cls, size_t size, void *buf)
645 struct MeshPeer *peer = (struct MeshPeer *) cls;
646 struct MeshPingMessage *msg = buf;
648 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "tmt_rdy called, filling buffer\n");
649 if (size < sizeof (struct MeshPingMessage) || NULL == buf)
652 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
653 "size %u, buf %p, data_sent %u, data_received %u\n",
654 size, buf, peer->data_sent, peer->data_received);
658 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending: msg %d\n", peer->data_sent);
659 msg->header.size = htons (size);
660 msg->header.type = htons (PING);
661 msg->counter = htonl (peer->data_sent++);
662 msg->round_number = htonl (current_round);
663 msg->timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
664 peer->pings[current_round]++;
665 peer->ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (PING_PERIOD),
668 return sizeof (struct MeshPingMessage);
673 * Function is called whenever a PING message is received.
675 * @param cls closure (peer #, set from GNUNET_MESH_connect)
676 * @param channel connection to the other end
677 * @param channel_ctx place to store local state associated with the channel
678 * @param message the actual message
679 * @return GNUNET_OK to keep the connection open,
680 * GNUNET_SYSERR to close it (signal serious error)
683 ping_handler (void *cls, struct GNUNET_MESH_Channel *channel,
685 const struct GNUNET_MessageHeader *message)
689 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u got PING\n", n);
690 GNUNET_MESH_receive_done (channel);
691 if (GNUNET_NO == test_finished)
692 pong (channel, (struct MeshPingMessage *) message);
699 * Function is called whenever a PONG message is received.
701 * @param cls closure (peer #, set from GNUNET_MESH_connect)
702 * @param channel connection to the other end
703 * @param channel_ctx place to store local state associated with the channel
704 * @param message the actual message
705 * @return GNUNET_OK to keep the connection open,
706 * GNUNET_SYSERR to close it (signal serious error)
709 pong_handler (void *cls, struct GNUNET_MESH_Channel *channel,
711 const struct GNUNET_MessageHeader *message)
714 struct MeshPeer *peer;
715 struct MeshPingMessage *msg;
716 struct GNUNET_TIME_Absolute send_time;
717 struct GNUNET_TIME_Relative latency;
718 unsigned int r /* Ping round */;
721 GNUNET_MESH_receive_done (channel);
724 msg = (struct MeshPingMessage *) message;
726 send_time = GNUNET_TIME_absolute_ntoh (msg->timestamp);
727 latency = GNUNET_TIME_absolute_get_duration (send_time);
728 r = ntohl (msg->round_number);
729 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <- %u (%u) latency: %s\n",
730 get_index (peer), get_index (peer->dest), ntohl (msg->counter),
731 GNUNET_STRINGS_relative_time_to_string (latency, GNUNET_NO));
733 /* Online variance calculation */
735 delta = latency.rel_value_us - peer->mean[r];
736 peer->mean[r] = peer->mean[r] + delta/peer->pongs[r];
737 peer->var[r] += delta * (latency.rel_value_us - peer->mean[r]);
744 * Handlers, for diverse services
746 static struct GNUNET_MESH_MessageHandler handlers[] = {
747 {&ping_handler, PING, sizeof (struct MeshPingMessage)},
748 {&pong_handler, PONG, sizeof (struct MeshPingMessage)},
754 * Method called whenever another peer has added us to a channel
755 * the other peer initiated.
757 * @param cls Closure.
758 * @param channel New handle to the channel.
759 * @param initiator Peer that started the channel.
760 * @param port Port this channel is connected to.
761 * @param options channel option flags
762 * @return Initial channel context for the channel
763 * (can be NULL -- that's not an error).
766 incoming_channel (void *cls, struct GNUNET_MESH_Channel *channel,
767 const struct GNUNET_PeerIdentity *initiator,
768 uint32_t port, enum GNUNET_MESH_ChannelOption options)
771 struct MeshPeer *peer;
773 peer = GNUNET_CONTAINER_multipeermap_get (ids, initiator);
774 GNUNET_assert (NULL != peer);
775 if (NULL == peers[n].incoming)
777 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %u <= %u\n",
778 n, get_index (peer), channel);
781 GNUNET_assert (peer == peers[n].incoming);
782 GNUNET_assert (peer->dest == &peers[n]);
783 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <= %u %p\n",
784 n, get_index (peer), channel);
785 peers[n].incoming_ch = channel;
791 * Function called whenever an inbound channel is destroyed. Should clean up
792 * any associated state.
794 * @param cls closure (set from GNUNET_MESH_connect)
795 * @param channel connection to the other end (henceforth invalid)
796 * @param channel_ctx place where local state associated
797 * with the channel is stored
800 channel_cleaner (void *cls, const struct GNUNET_MESH_Channel *channel,
804 struct MeshPeer *peer = &peers[n];
806 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
807 "Channel %p disconnected at peer %ld\n", channel, n);
808 if (peer->ch == channel)
814 * Select a random peer that has no incoming channel
816 * @param peer ID of the peer connecting. NULL if irrelevant (warmup).
818 * @return Random peer not yet connected to.
820 static struct MeshPeer *
821 select_random_peer (struct MeshPeer *peer)
827 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, peers_total);
828 } while (NULL != peers[r].incoming);
829 peers[r].incoming = peer;
835 * START THE TEST ITSELF, AS WE ARE CONNECTED TO THE MESH SERVICES.
837 * Testcase continues when the root receives confirmation of connected peers,
838 * on callback funtion ch.
840 * @param cls Closure (unsued).
841 * @param tc Task Context.
844 start_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
846 enum GNUNET_MESH_ChannelOption flags;
849 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
852 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Start profiler\n");
854 flags = GNUNET_MESH_OPTION_DEFAULT;
855 for (i = 0; i < peers_pinging; i++)
857 peers[i].dest = select_random_peer (&peers[i]);
858 peers[i].ch = GNUNET_MESH_channel_create (peers[i].mesh, NULL,
861 if (NULL == peers[i].ch)
863 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Channel %lu failed\n", i);
864 GNUNET_MESH_TEST_cleanup (test_ctx);
867 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u => %u %p\n",
868 i, get_index (peers[i].dest), peers[i].ch);
869 peers[i].ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (2000),
872 peers_running = peers_total;
873 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
874 GNUNET_SCHEDULER_cancel (disconnect_task);
876 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(round_time,
878 &disconnect_mesh_peers,
880 GNUNET_SCHEDULER_add_delayed (round_time, &next_rnd, NULL);
885 * Do warmup: create some channels to spread information about the topology.
890 struct MeshPeer *peer;
893 for (i = 0; i < peers_total; i++)
895 peer = select_random_peer (NULL);
896 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %u => %u\n",
897 i, get_index (peer));
899 GNUNET_MESH_channel_create (peers[i].mesh, NULL, &peer->id,
900 1, GNUNET_MESH_OPTION_DEFAULT);
901 if (NULL == peers[i].warmup_ch)
903 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Warmup %u failed\n", i);
904 GNUNET_MESH_TEST_cleanup (test_ctx);
911 * Callback to be called when the requested peer information is available
913 * @param cls the closure from GNUNET_TESTBED_peer_get_information()
914 * @param op the operation this callback corresponds to
915 * @param pinfo the result; will be NULL if the operation has failed
916 * @param emsg error message if the operation has failed;
917 * NULL if the operation is successfull
920 peer_id_cb (void *cls,
921 struct GNUNET_TESTBED_Operation *op,
922 const struct GNUNET_TESTBED_PeerInformation *pinfo,
926 struct GNUNET_TIME_Relative delay;
928 if (NULL == pinfo || NULL != emsg)
930 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "pi_cb: %s\n", emsg);
931 abort_test (__LINE__);
934 peers[n].id = *(pinfo->result.id);
935 GNUNET_log (GNUNET_ERROR_TYPE_INFO, " %u id: %s\n",
936 n, GNUNET_i2s (&peers[n].id));
937 GNUNET_break (GNUNET_OK ==
938 GNUNET_CONTAINER_multipeermap_put (ids, &peers[n].id, &peers[n],
939 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
941 GNUNET_TESTBED_operation_done (peers[n].op);
945 if (p_ids < peers_total)
947 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Got all IDs, starting profiler\n");
950 delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
952 test_task = GNUNET_SCHEDULER_add_delayed (delay, &start_test, NULL);
956 * test main: start test when all peers are connected
958 * @param cls Closure.
959 * @param ctx Argument to give to GNUNET_MESH_TEST_cleanup on test end.
960 * @param num_peers Number of peers that are running.
961 * @param testbed_peers Array of peers.
962 * @param meshes Handle to each of the MESHs of the peers.
966 struct GNUNET_MESH_TEST_Context *ctx,
967 unsigned int num_peers,
968 struct GNUNET_TESTBED_Peer **testbed_peers,
969 struct GNUNET_MESH_Handle **meshes)
973 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test main\n");
975 GNUNET_assert (peers_total == num_peers);
976 peers_running = num_peers;
977 testbed_handles = testbed_peers;
978 disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
979 &disconnect_mesh_peers,
981 shutdown_handle = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
982 &shutdown_task, NULL);
983 for (i = 0; i < peers_total; i++)
985 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "requesting id %ld\n", i);
986 peers[i].up = GNUNET_YES;
987 peers[i].mesh = meshes[i];
989 GNUNET_TESTBED_peer_get_information (testbed_handles[i],
990 GNUNET_TESTBED_PIT_IDENTITY,
991 &peer_id_cb, (void *) i);
993 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "requested peer ids\n");
994 /* Continues from pi_cb -> do_test */
999 * Main: start profiler.
1002 main (int argc, char *argv[])
1004 static uint32_t ports[2];
1005 const char *config_file;
1007 config_file = ".profiler.conf";
1011 fprintf (stderr, "usage: %s ROUND_TIME PEERS PINGS [DO_WARMUP]\n", argv[0]);
1012 fprintf (stderr, "example: %s 30s 16 1 Y\n", argv[0]);
1016 if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (argv[1], &round_time))
1018 fprintf (stderr, "%s is not a valid time\n", argv[1]);
1022 peers_total = atoll (argv[2]);
1023 if (2 > peers_total)
1025 fprintf (stderr, "%s peers is not valid (> 2)\n", argv[1]);
1028 peers = GNUNET_malloc (sizeof (struct MeshPeer) * peers_total);
1030 peers_pinging = atoll (argv[3]);
1032 if (peers_total < 2 * peers_pinging)
1034 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1035 "not enough peers, total should be > 2 * peers_pinging\n");
1039 do_warmup = (5 > argc || argv[4][0] == 'N');
1041 ids = GNUNET_CONTAINER_multipeermap_create (2 * peers_total, GNUNET_YES);
1042 GNUNET_assert (NULL != ids);
1044 test_finished = GNUNET_NO;
1047 GNUNET_MESH_TEST_run ("mesh-profiler", config_file, peers_total,
1048 &tmain, NULL, /* tmain cls */
1049 &incoming_channel, &channel_cleaner,
1051 GNUNET_free (peers);
1056 /* end of gnunet-mesh-profiler.c */