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;
238 static unsigned int peers_warmup;
241 * Flag to notify callbacks not to generate any new traffic anymore.
243 static int test_finished;
246 * Calculate a random delay.
248 * @param max Exclusive maximum, in ms.
250 * @return A time between 0 a max-1 ms.
252 static struct GNUNET_TIME_Relative
253 delay_ms_rnd (unsigned int max)
257 rnd = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, max);
258 return GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, rnd);
263 * Get the index of a peer in the peers array.
265 * @param peer Peer whose index to get.
267 * @return Index of peer in peers.
270 get_index (struct MeshPeer *peer)
277 * Show the results of the test (banwidth acheived) and log them to GAUGER
282 struct MeshPeer *peer;
286 for (i = 0; i < number_rounds; i++)
288 for (j = 0; j < peers_pinging; j++)
292 "ROUND %3u PEER %3u: %10.2f / %10.2f, PINGS: %3u, PONGS: %3u\n",
293 i, j, peer->mean[i], sqrt (peer->var[i] / (peer->pongs[i] - 1)),
294 peer->pings[i], peer->pongs[i]);
301 * Shut down peergroup, clean up.
303 * @param cls Closure (unused).
304 * @param tc Task Context.
307 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
309 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Ending test.\n");
310 shutdown_handle = GNUNET_SCHEDULER_NO_TASK;
315 * Disconnect from mesh services af all peers, call shutdown.
317 * @param cls Closure (unused).
318 * @param tc Task Context.
321 disconnect_mesh_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
323 long line = (long) cls;
326 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
327 "disconnecting mesh service, called from line %ld\n", line);
328 disconnect_task = GNUNET_SCHEDULER_NO_TASK;
329 for (i = 0; i < peers_total; i++)
331 if (NULL != peers[i].op)
332 GNUNET_TESTBED_operation_done (peers[i].op);
334 if (peers[i].up != GNUNET_YES)
337 if (NULL != peers[i].ch)
339 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: channel %p\n", i, peers[i].ch);
340 GNUNET_MESH_channel_destroy (peers[i].ch);
342 if (NULL != peers[i].warmup_ch)
344 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: warmup channel %p\n",
345 i, peers[i].warmup_ch);
346 GNUNET_MESH_channel_destroy (peers[i].warmup_ch);
348 if (NULL != peers[i].incoming_ch)
350 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u: incoming channel %p\n",
351 i, peers[i].incoming_ch);
352 GNUNET_MESH_channel_destroy (peers[i].incoming_ch);
355 GNUNET_MESH_TEST_cleanup (test_ctx);
356 if (GNUNET_SCHEDULER_NO_TASK != shutdown_handle)
358 GNUNET_SCHEDULER_cancel (shutdown_handle);
360 shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
365 * Finish test normally: schedule disconnect and shutdown
367 * @param line Line in the code the abort is requested from (__LINE__).
370 abort_test (long line)
372 if (disconnect_task != GNUNET_SCHEDULER_NO_TASK)
374 GNUNET_SCHEDULER_cancel (disconnect_task);
375 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
381 * Stats callback. Finish the stats testbed operation and when all stats have
382 * been iterated, shutdown the test.
385 * @param op the operation that has been finished
386 * @param emsg error message in case the operation has failed; will be NULL if
387 * operation has executed successfully.
390 stats_cont (void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg)
392 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "... collecting statistics done.\n");
393 GNUNET_TESTBED_operation_done (stats_op);
395 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
396 GNUNET_SCHEDULER_cancel (disconnect_task);
397 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_mesh_peers,
404 * Process statistic values.
407 * @param peer the peer the statistic belong to
408 * @param subsystem name of subsystem that created the statistic
409 * @param name the name of the datum
410 * @param value the current value
411 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
412 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
415 stats_iterator (void *cls, const struct GNUNET_TESTBED_Peer *peer,
416 const char *subsystem, const char *name,
417 uint64_t value, int is_persistent)
421 i = GNUNET_TESTBED_get_index (peer);
422 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " STATS %u - %s [%s]: %llu\n",
423 i, subsystem, name, value);
430 * Task check that keepalives were sent and received.
432 * @param cls Closure (NULL).
433 * @param tc Task Context.
436 collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
438 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
441 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Start collecting statistics...\n");
442 stats_op = GNUNET_TESTBED_get_statistics (peers_total, testbed_handles,
444 stats_iterator, stats_cont, NULL);
449 * @brief Finish profiler normally. Signal finish and start collecting stats.
451 * @param cls Closure (unused).
452 * @param tc Task context.
455 finish_profiler (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
457 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
460 test_finished = GNUNET_YES;
462 GNUNET_SCHEDULER_add_now (&collect_stats, NULL);
466 * Set the total number of running peers.
468 * @param target Desired number of running peers.
471 adjust_running_peers (unsigned int target)
473 struct GNUNET_TESTBED_Operation *op;
479 GNUNET_assert (target <= peers_total);
481 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "adjust peers to %u\n", target);
482 if (target > peers_running)
484 delta = target - peers_running;
489 delta = peers_running - target;
493 for (i = 0; i < delta; i++)
496 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
497 peers_total - peers_pinging);
499 } while (peers[r].up == run || NULL != peers[r].incoming);
500 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "St%s peer %u: %s\n",
501 run ? "arting" : "opping", r, GNUNET_i2s (&peers[r].id));
503 if (GNUNET_SCHEDULER_NO_TASK != peers[r].ping_task)
504 GNUNET_SCHEDULER_cancel (peers[r].ping_task);
505 peers[r].ping_task = GNUNET_SCHEDULER_NO_TASK;
509 if (NULL != peers[r].ch)
510 GNUNET_MESH_channel_destroy (peers[r].ch);
512 if (NULL != peers[r].dest)
514 if (NULL != peers[r].dest->incoming_ch)
515 GNUNET_MESH_channel_destroy (peers[r].dest->incoming_ch);
516 peers[r].dest->incoming_ch = NULL;
519 op = GNUNET_TESTBED_peer_manage_service (&peers[r], testbed_handles[r],
520 "mesh", NULL, NULL, run);
521 GNUNET_break (NULL != op);
522 peers_running += run ? 1 : -1;
523 GNUNET_assert (peers_running > 0);
529 * @brief Move to next round.
531 * @param cls Closure (round #).
532 * @param tc Task context.
535 next_rnd (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
537 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
540 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "ROUND %ld\n", current_round);
541 if (0.0 == rounds[current_round])
543 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finishing\n");
544 GNUNET_SCHEDULER_add_now (&finish_profiler, NULL);
547 adjust_running_peers (rounds[current_round] * peers_total);
550 GNUNET_SCHEDULER_add_delayed (round_time, &next_rnd, NULL);
555 * Transmit ping callback.
557 * @param cls Closure (peer for PING, NULL for PONG).
558 * @param size Size of the tranmist buffer.
559 * @param buf Pointer to the beginning of the buffer.
561 * @return Number of bytes written to buf.
564 tmt_rdy_ping (void *cls, size_t size, void *buf);
568 * Transmit pong callback.
570 * @param cls Closure (copy of PING message, to be freed).
571 * @param size Size of the buffer we have.
572 * @param buf Buffer to copy data to.
575 tmt_rdy_pong (void *cls, size_t size, void *buf)
577 struct MeshPingMessage *ping = cls;
578 struct MeshPingMessage *pong;
580 if (0 == size || NULL == buf)
585 pong = (struct MeshPingMessage *) buf;
586 memcpy (pong, ping, sizeof (*ping));
587 pong->header.type = htons (PONG);
590 return sizeof (*ping);
595 * @brief Send a ping to destination
597 * @param cls Closure (peer).
598 * @param tc Task context.
601 ping (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
603 struct MeshPeer *peer = (struct MeshPeer *) cls;
605 peer->ping_task = GNUNET_SCHEDULER_NO_TASK;
607 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0
608 || GNUNET_YES == test_finished)
611 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u -> %u (%u)\n",
612 get_index (peer), get_index (peer->dest), peer->data_sent);
614 GNUNET_MESH_notify_transmit_ready (peer->ch, GNUNET_NO,
615 GNUNET_TIME_UNIT_FOREVER_REL,
616 sizeof (struct MeshPingMessage),
617 &tmt_rdy_ping, peer);
621 * @brief Reply with a pong to origin.
623 * @param cls Closure (peer).
624 * @param tc Task context.
627 pong (struct GNUNET_MESH_Channel *channel, const struct MeshPingMessage *ping)
629 struct MeshPingMessage *copy;
631 copy = GNUNET_new (struct MeshPingMessage);
632 memcpy (copy, ping, sizeof (*ping));
633 GNUNET_MESH_notify_transmit_ready (channel, GNUNET_NO,
634 GNUNET_TIME_UNIT_FOREVER_REL,
635 sizeof (struct MeshPingMessage),
636 &tmt_rdy_pong, copy);
641 * Transmit ping callback
643 * @param cls Closure (peer).
644 * @param size Size of the buffer we have.
645 * @param buf Buffer to copy data to.
648 tmt_rdy_ping (void *cls, size_t size, void *buf)
650 struct MeshPeer *peer = (struct MeshPeer *) cls;
651 struct MeshPingMessage *msg = buf;
653 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "tmt_rdy called, filling buffer\n");
654 if (size < sizeof (struct MeshPingMessage) || NULL == buf)
657 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
658 "size %u, buf %p, data_sent %u, data_received %u\n",
659 size, buf, peer->data_sent, peer->data_received);
663 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending: msg %d\n", peer->data_sent);
664 msg->header.size = htons (size);
665 msg->header.type = htons (PING);
666 msg->counter = htonl (peer->data_sent++);
667 msg->round_number = htonl (current_round);
668 msg->timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
669 peer->pings[current_round]++;
670 peer->ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (PING_PERIOD),
673 return sizeof (struct MeshPingMessage);
678 * Function is called whenever a PING message is received.
680 * @param cls closure (peer #, set from GNUNET_MESH_connect)
681 * @param channel connection to the other end
682 * @param channel_ctx place to store local state associated with the channel
683 * @param message the actual message
684 * @return GNUNET_OK to keep the connection open,
685 * GNUNET_SYSERR to close it (signal serious error)
688 ping_handler (void *cls, struct GNUNET_MESH_Channel *channel,
690 const struct GNUNET_MessageHeader *message)
694 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u got PING\n", n);
695 GNUNET_MESH_receive_done (channel);
696 if (GNUNET_NO == test_finished)
697 pong (channel, (struct MeshPingMessage *) message);
704 * Function is called whenever a PONG message is received.
706 * @param cls closure (peer #, set from GNUNET_MESH_connect)
707 * @param channel connection to the other end
708 * @param channel_ctx place to store local state associated with the channel
709 * @param message the actual message
710 * @return GNUNET_OK to keep the connection open,
711 * GNUNET_SYSERR to close it (signal serious error)
714 pong_handler (void *cls, struct GNUNET_MESH_Channel *channel,
716 const struct GNUNET_MessageHeader *message)
719 struct MeshPeer *peer;
720 struct MeshPingMessage *msg;
721 struct GNUNET_TIME_Absolute send_time;
722 struct GNUNET_TIME_Relative latency;
723 unsigned int r /* Ping round */;
726 GNUNET_MESH_receive_done (channel);
729 msg = (struct MeshPingMessage *) message;
731 send_time = GNUNET_TIME_absolute_ntoh (msg->timestamp);
732 latency = GNUNET_TIME_absolute_get_duration (send_time);
733 r = ntohl (msg->round_number);
734 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <- %u (%u) latency: %s\n",
735 get_index (peer), get_index (peer->dest), ntohl (msg->counter),
736 GNUNET_STRINGS_relative_time_to_string (latency, GNUNET_NO));
738 /* Online variance calculation */
740 delta = latency.rel_value_us - peer->mean[r];
741 peer->mean[r] = peer->mean[r] + delta/peer->pongs[r];
742 peer->var[r] += delta * (latency.rel_value_us - peer->mean[r]);
749 * Handlers, for diverse services
751 static struct GNUNET_MESH_MessageHandler handlers[] = {
752 {&ping_handler, PING, sizeof (struct MeshPingMessage)},
753 {&pong_handler, PONG, sizeof (struct MeshPingMessage)},
759 * Method called whenever another peer has added us to a channel
760 * the other peer initiated.
762 * @param cls Closure.
763 * @param channel New handle to the channel.
764 * @param initiator Peer that started the channel.
765 * @param port Port this channel is connected to.
766 * @param options channel option flags
767 * @return Initial channel context for the channel
768 * (can be NULL -- that's not an error).
771 incoming_channel (void *cls, struct GNUNET_MESH_Channel *channel,
772 const struct GNUNET_PeerIdentity *initiator,
773 uint32_t port, enum GNUNET_MESH_ChannelOption options)
776 struct MeshPeer *peer;
778 peer = GNUNET_CONTAINER_multipeermap_get (ids, initiator);
779 GNUNET_assert (NULL != peer);
780 if (NULL == peers[n].incoming)
782 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %u <= %u\n",
783 n, get_index (peer), channel);
785 if (peers_warmup < peers_total)
787 test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
791 GNUNET_assert (peer == peers[n].incoming);
792 GNUNET_assert (peer->dest == &peers[n]);
793 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <= %u %p\n",
794 n, get_index (peer), channel);
795 peers[n].incoming_ch = channel;
801 * Function called whenever an inbound channel is destroyed. Should clean up
802 * any associated state.
804 * @param cls closure (set from GNUNET_MESH_connect)
805 * @param channel connection to the other end (henceforth invalid)
806 * @param channel_ctx place where local state associated
807 * with the channel is stored
810 channel_cleaner (void *cls, const struct GNUNET_MESH_Channel *channel,
814 struct MeshPeer *peer = &peers[n];
816 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
817 "Channel %p disconnected at peer %ld\n", channel, n);
818 if (peer->ch == channel)
824 * Select a random peer that has no incoming channel
826 * @param peer ID of the peer connecting. NULL if irrelevant (warmup).
828 * @return Random peer not yet connected to.
830 static struct MeshPeer *
831 select_random_peer (struct MeshPeer *peer)
837 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, peers_total);
838 } while (NULL != peers[r].incoming);
839 peers[r].incoming = peer;
845 * START THE TEST ITSELF, AS WE ARE CONNECTED TO THE MESH SERVICES.
847 * Testcase continues when the root receives confirmation of connected peers,
848 * on callback funtion ch.
850 * @param cls Closure (unsued).
851 * @param tc Task Context.
854 start_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
856 enum GNUNET_MESH_ChannelOption flags;
859 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
862 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Start profiler\n");
864 flags = GNUNET_MESH_OPTION_DEFAULT;
865 for (i = 0; i < peers_pinging; i++)
867 peers[i].dest = select_random_peer (&peers[i]);
868 peers[i].ch = GNUNET_MESH_channel_create (peers[i].mesh, NULL,
871 if (NULL == peers[i].ch)
873 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Channel %lu failed\n", i);
874 GNUNET_MESH_TEST_cleanup (test_ctx);
877 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u => %u %p\n",
878 i, get_index (peers[i].dest), peers[i].ch);
879 peers[i].ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (2000),
882 peers_running = peers_total;
883 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
884 GNUNET_SCHEDULER_cancel (disconnect_task);
886 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(round_time,
888 &disconnect_mesh_peers,
890 GNUNET_SCHEDULER_add_delayed (round_time, &next_rnd, NULL);
895 * Do warmup: create some channels to spread information about the topology.
900 struct MeshPeer *peer;
903 for (i = 0; i < peers_total; i++)
905 peer = select_random_peer (NULL);
906 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %u => %u\n",
907 i, get_index (peer));
909 GNUNET_MESH_channel_create (peers[i].mesh, NULL, &peer->id,
910 1, GNUNET_MESH_OPTION_DEFAULT);
911 if (NULL == peers[i].warmup_ch)
913 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Warmup %u failed\n", i);
914 GNUNET_MESH_TEST_cleanup (test_ctx);
921 * Callback to be called when the requested peer information is available
923 * @param cls the closure from GNUNET_TESTBED_peer_get_information()
924 * @param op the operation this callback corresponds to
925 * @param pinfo the result; will be NULL if the operation has failed
926 * @param emsg error message if the operation has failed;
927 * NULL if the operation is successfull
930 peer_id_cb (void *cls,
931 struct GNUNET_TESTBED_Operation *op,
932 const struct GNUNET_TESTBED_PeerInformation *pinfo,
937 if (NULL == pinfo || NULL != emsg)
939 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "pi_cb: %s\n", emsg);
940 abort_test (__LINE__);
943 peers[n].id = *(pinfo->result.id);
944 GNUNET_log (GNUNET_ERROR_TYPE_INFO, " %u id: %s\n",
945 n, GNUNET_i2s (&peers[n].id));
946 GNUNET_break (GNUNET_OK ==
947 GNUNET_CONTAINER_multipeermap_put (ids, &peers[n].id, &peers[n],
948 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
950 GNUNET_TESTBED_operation_done (peers[n].op);
954 if (p_ids < peers_total)
956 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Got all IDs, starting profiler\n");
960 return; /* start_test from incoming_channel */
962 test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
967 * test main: start test when all peers are connected
969 * @param cls Closure.
970 * @param ctx Argument to give to GNUNET_MESH_TEST_cleanup on test end.
971 * @param num_peers Number of peers that are running.
972 * @param testbed_peers Array of peers.
973 * @param meshes Handle to each of the MESHs of the peers.
977 struct GNUNET_MESH_TEST_Context *ctx,
978 unsigned int num_peers,
979 struct GNUNET_TESTBED_Peer **testbed_peers,
980 struct GNUNET_MESH_Handle **meshes)
984 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test main\n");
986 GNUNET_assert (peers_total == num_peers);
987 peers_running = num_peers;
988 testbed_handles = testbed_peers;
989 disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
990 &disconnect_mesh_peers,
992 shutdown_handle = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
993 &shutdown_task, NULL);
994 for (i = 0; i < peers_total; i++)
996 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "requesting id %ld\n", i);
997 peers[i].up = GNUNET_YES;
998 peers[i].mesh = meshes[i];
1000 GNUNET_TESTBED_peer_get_information (testbed_handles[i],
1001 GNUNET_TESTBED_PIT_IDENTITY,
1002 &peer_id_cb, (void *) i);
1004 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "requested peer ids\n");
1005 /* Continues from pi_cb -> do_test */
1010 * Main: start profiler.
1013 main (int argc, char *argv[])
1015 static uint32_t ports[2];
1016 const char *config_file;
1018 config_file = ".profiler.conf";
1022 fprintf (stderr, "usage: %s ROUND_TIME PEERS PINGS [DO_WARMUP]\n", argv[0]);
1023 fprintf (stderr, "example: %s 30s 16 1 Y\n", argv[0]);
1027 if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (argv[1], &round_time))
1029 fprintf (stderr, "%s is not a valid time\n", argv[1]);
1033 peers_total = atoll (argv[2]);
1034 if (2 > peers_total)
1036 fprintf (stderr, "%s peers is not valid (> 2)\n", argv[1]);
1039 peers = GNUNET_malloc (sizeof (struct MeshPeer) * peers_total);
1041 peers_pinging = atoll (argv[3]);
1043 if (peers_total < 2 * peers_pinging)
1045 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1046 "not enough peers, total should be > 2 * peers_pinging\n");
1050 do_warmup = (5 > argc || argv[4][0] == 'N');
1052 ids = GNUNET_CONTAINER_multipeermap_create (2 * peers_total, GNUNET_YES);
1053 GNUNET_assert (NULL != ids);
1055 test_finished = GNUNET_NO;
1058 GNUNET_MESH_TEST_run ("mesh-profiler", config_file, peers_total,
1059 &tmain, NULL, /* tmain cls */
1060 &incoming_channel, &channel_cleaner,
1062 GNUNET_free (peers);
1067 /* end of gnunet-mesh-profiler.c */