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21 * @file ats/perf_ats_solver.c
22 * @brief generic performance test for ATS solvers
23 * @author Christian Grothoff
24 * @author Matthias Wachs
27 #include "gnunet_util_lib.h"
28 #include "gnunet_statistics_service.h"
29 #include "gnunet-service-ats_addresses.h"
30 #include "gnunet-service-ats_plugins.h"
31 #include "gnunet-service-ats_normalization.h"
32 #include "gnunet-service-ats_preferences.h"
33 #include "gnunet_ats_service.h"
34 #include "gnunet_ats_plugin.h"
35 #include "test_ats_api_common.h"
37 #define DEFAULT_UPDATE_PERCENTAGE 20
38 #define DEFAULT_PEERS_START 10
39 #define DEFAULT_PEERS_END 10
40 #define DEFAULT_ADDRESSES 10
41 #define DEFAULT_ATS_COUNT 2
45 * Handle for statistics.
47 struct GNUNET_STATISTICS_Handle *GSA_stats;
50 * Handle for ATS address component
57 struct PerfPeer *peers;
62 struct GNUNET_ATS_SolverFunctions *sf;
67 struct GNUNET_STATISTICS_Handle *stat;
70 * A multihashmap to store all addresses
72 struct GNUNET_CONTAINER_MultiPeerMap *addresses;
77 struct GNUNET_ATS_PluginEnvironment env;
80 * Array for results for each iteration with length iterations
82 struct Iteration *iterations_results;
87 struct Result *current_result;
90 * Current number of peers benchmarked
95 * Current number of addresses benchmarked
100 * Solver description as string
105 * Configured ATS solver
110 * #peers to start benchmarking with
115 * #peers to end benchmarking with
120 * #addresses to benchmarking with
125 * Percentage of peers to update
127 int opt_update_percent;
130 * Create gnuplot file
140 * Number of iterations
142 int total_iterations;
147 int current_iteration;
150 * Is a bulk operation running?
155 * Is a bulk operation running?
157 int expecting_solution;
160 * Was the problem just updates?
162 int performed_update;
166 * Data structure to store results for a single iteration
170 struct Result **results_array;
172 struct Result **update_results_array;
177 * Result for a solver calculcation
182 * Previous element in the linked list
187 * Next element in the linked list
192 * Number of peers this solution included
197 * Number of addresses per peer this solution included
202 * Is this an update or a full solution
207 * Was the solution valid or did the solver fail
212 * Result of the solver
214 enum GAS_Solver_Additional_Information info;
217 * Duration of setting up the problem in the solver
219 struct GNUNET_TIME_Relative d_setup_full;
222 * Duration of solving the LP problem in the solver
225 struct GNUNET_TIME_Relative d_lp_full;
228 * Duration of solving the MLP problem in the solver
231 struct GNUNET_TIME_Relative d_mlp_full;
234 * Duration of solving whole problem in the solver
236 struct GNUNET_TIME_Relative d_total_full;
239 * Start time of setting up the problem in the solver
241 struct GNUNET_TIME_Absolute s_setup;
244 * Start time of solving the LP problem in the solver
247 struct GNUNET_TIME_Absolute s_lp;
250 * Start time of solving the MLP problem in the solver
253 struct GNUNET_TIME_Absolute s_mlp;
256 * Start time of solving whole problem in the solver
258 struct GNUNET_TIME_Absolute s_total;
261 * End time of setting up the problem in the solver
263 struct GNUNET_TIME_Absolute e_setup;
266 * End time of solving the LP problem in the solver
269 struct GNUNET_TIME_Absolute e_lp;
272 * End time of solving the MLP problem in the solver
275 struct GNUNET_TIME_Absolute e_mlp;
278 * End time of solving whole problem in the solver
280 struct GNUNET_TIME_Absolute e_total;
284 * Peer used for the benchmarking
291 struct GNUNET_PeerIdentity id;
294 * Head of linked list of addresses used with this peer
296 struct ATS_Address *head;
299 * Head of linked list of addresses used with this peer
301 struct ATS_Address *tail;
306 * ATS performance handle
308 static struct PerfHandle ph;
324 GNUNET_STATISTICS_destroy (ph.stat, GNUNET_NO);
328 GNUNET_free_non_null (ph.peers);
329 GNUNET_free_non_null (ph.iterations_results);
331 GAS_normalization_stop ();
332 GAS_preference_done ();
338 * Create a peer used for benchmarking
340 * @param cp the number of the peer
343 perf_create_peer (int cp)
346 GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
347 &ph.peers[cp].id, sizeof (struct GNUNET_PeerIdentity));
348 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Creating peer #%u: %s \n", cp,
349 GNUNET_i2s (&ph.peers[cp].id));
354 * Perform an update for an address
356 * @param cur the address to update
359 perf_update_address (struct ATS_Address *cur)
365 r_type = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 2);
369 abs_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
370 rel_val = (100 + (double) abs_val) / 100;
372 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
373 "Updating peer `%s' address %p type %s abs val %u rel val %.3f\n",
374 GNUNET_i2s (&cur->peer), cur,
375 "GNUNET_ATS_QUALITY_NET_DELAY",
377 ph.sf->s_address_update_property (ph.sf->cls, cur,
378 GNUNET_ATS_QUALITY_NET_DELAY,
382 abs_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 10);
383 rel_val = (100 + (double) abs_val) / 100;
385 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
386 "Updating peer `%s' address %p type %s abs val %u rel val %.3f\n",
387 GNUNET_i2s (&cur->peer), cur, "GNUNET_ATS_QUALITY_NET_DISTANCE",
389 ph.sf->s_address_update_property (ph.sf->cls, cur,
390 GNUNET_ATS_QUALITY_NET_DISTANCE,
400 bandwidth_changed_cb (void *cls,
401 struct ATS_Address *address)
403 if ( (0 == address->assigned_bw_out) && (0 == address->assigned_bw_in) )
406 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
407 "Bandwidth changed addresses %s %p to %u Bps out / %u Bps in\n",
408 GNUNET_i2s (&address->peer),
410 address->assigned_bw_out,
411 address->assigned_bw_in);
412 if (GNUNET_YES == ph.bulk_running)
418 static const double *
419 get_preferences_cb (void *cls, const struct GNUNET_PeerIdentity *id)
421 return GAS_preference_get_by_peer (NULL, id);
426 perf_address_initial_update (void *dead,
427 struct GNUNET_CONTAINER_MultiPeerMap * addresses,
428 struct ATS_Address *address)
432 uint32_t random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
433 delay = (100 + (double) random) / 100;
434 ph.sf->s_address_update_property (ph.sf->cls,
435 address, GNUNET_ATS_QUALITY_NET_DELAY,
438 random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
439 distance = (100 + (double) random) / 100;
441 ph.sf->s_address_update_property (ph.sf->cls, address,
442 GNUNET_ATS_QUALITY_NET_DISTANCE,
445 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
446 "Initial update address %p : %.2f %.2f\n",
447 address, delay, distance);
459 do_update_address (void *cls,
460 const struct GNUNET_PeerIdentity *pid,
463 struct DUA_Ctx *ctx = cls;
464 struct ATS_Address *addr = value;
466 if (ctx->c_cur_a == ctx->r)
467 perf_update_address (addr);
474 * Update a certain percentage of peers
476 * @param cp the current number of peers
477 * @param ca the current number of addresses
478 * @param percentage_peers the percentage of peers to update
481 perf_update_all_addresses (unsigned int cp, unsigned int ca, unsigned int percentage_peers)
489 struct DUA_Ctx dua_ctx;
491 count = cp * ((double) percentage_peers / 100);
492 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
493 "Updating %u of %u peers \n", count, cp);
495 for (c_peer = 0; c_peer < cp; c_peer++)
500 while (c_select < count)
502 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, cp);
506 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
507 "Updating peer [%u] \n", r);
511 for (c_cur_p = 0; c_cur_p < cp; c_cur_p++)
515 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, ca);
516 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
517 "Updating peer [%u] address [%u]\n", c_cur_p, r);
521 GNUNET_CONTAINER_multipeermap_get_multiple (ph.addresses,
522 &ph.peers[c_cur_p].id,
530 * Create an address for a peer
532 * @param cp index of the peer
533 * @param ca index of the address
534 * @return the address
536 static struct ATS_Address *
537 perf_create_address (int cp, int ca)
539 struct ATS_Address *a;
541 a = create_address (&ph.peers[cp].id,
542 "Test 1", "test 1", strlen ("test 1") + 1, 0);
543 GNUNET_CONTAINER_multipeermap_put (ph.addresses, &ph.peers[cp].id, a,
544 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
550 * Information callback for the solver
552 * @param op the solver operation
553 * @param stat status of the solver operation
554 * @param add additional solver information
557 solver_info_cb (void *cls,
558 enum GAS_Solver_Operation op,
559 enum GAS_Solver_Status stat,
560 enum GAS_Solver_Additional_Information add)
565 add_info = "GAS_INFO_NONE";
568 add_info = "GAS_INFO_MLP_FULL";
570 case GAS_INFO_UPDATED:
571 add_info = "GAS_INFO_MLP_UPDATED";
573 case GAS_INFO_PROP_ALL:
574 add_info = "GAS_INFO_PROP_ALL";
576 case GAS_INFO_PROP_SINGLE:
577 add_info = "GAS_INFO_PROP_SINGLE";
580 add_info = "INVALID";
587 case GAS_OP_SOLVE_START:
588 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
589 "Solver notifies `%s' with result `%s' `%s'\n", "GAS_OP_SOLVE_START",
590 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL", add_info);
591 if (GNUNET_NO == ph.expecting_solution)
593 /* We do not expect a solution at the moment */
598 if ((GAS_STAT_SUCCESS == stat) && (NULL == ph.current_result))
600 tmp = GNUNET_new (struct Result);
601 /* Create new result */
602 if ((add == GAS_INFO_UPDATED) || (GNUNET_YES == ph.performed_update))
604 ph.current_result = tmp;
605 //fprintf (stderr,"UPDATE %u %u\n",ph.current_iteration-1, ph.current_p);
606 ph.iterations_results[ph.current_iteration-1].update_results_array[ph.current_p] = tmp;
610 ph.current_result = tmp;
611 //fprintf (stderr,"FULL %u %u\n",ph.current_iteration-1, ph.current_p);
612 ph.iterations_results[ph.current_iteration-1].results_array[ph.current_p] = tmp;
615 ph.current_result->addresses = ph.current_a;
616 ph.current_result->peers = ph.current_p;
617 ph.current_result->s_total = GNUNET_TIME_absolute_get();
618 ph.current_result->d_total_full = GNUNET_TIME_UNIT_FOREVER_REL;
619 ph.current_result->d_setup_full = GNUNET_TIME_UNIT_FOREVER_REL;
620 ph.current_result->d_lp_full = GNUNET_TIME_UNIT_FOREVER_REL;
621 ph.current_result->d_mlp_full = GNUNET_TIME_UNIT_FOREVER_REL;
622 ph.current_result->info = add;
623 if ((add == GAS_INFO_UPDATED) || (GNUNET_YES == ph.performed_update))
625 ph.current_result->update = GNUNET_YES;
629 ph.current_result->update = GNUNET_NO;
634 case GAS_OP_SOLVE_STOP:
635 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
636 "Solver notifies `%s' with result `%s', `%s'\n", "GAS_OP_SOLVE_STOP",
637 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL", add_info);
638 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
640 /* We do not expect a solution at the moment */
645 if (GAS_STAT_SUCCESS == stat)
646 ph.current_result->valid = GNUNET_YES;
648 ph.current_result->valid = GNUNET_NO;
650 if (NULL != ph.current_result)
652 /* Finalize result */
653 ph.current_result->e_total = GNUNET_TIME_absolute_get ();
654 ph.current_result->d_total_full = GNUNET_TIME_absolute_get_difference (
655 ph.current_result->s_total, ph.current_result->e_total);
657 ph.current_result = NULL;
660 case GAS_OP_SOLVE_SETUP_START:
661 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
662 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_SETUP_START",
663 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
664 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
670 if (GAS_STAT_SUCCESS == stat)
671 ph.current_result->valid = GNUNET_YES;
673 ph.current_result->valid = GNUNET_NO;
675 ph.current_result->s_setup = GNUNET_TIME_absolute_get ();
678 case GAS_OP_SOLVE_SETUP_STOP:
679 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
680 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_SETUP_STOP",
681 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
682 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
688 if (GAS_STAT_SUCCESS == stat)
689 ph.current_result->valid = GNUNET_YES;
691 ph.current_result->valid = GNUNET_NO;
693 ph.current_result->e_setup = GNUNET_TIME_absolute_get ();
694 ph.current_result->d_setup_full = GNUNET_TIME_absolute_get_difference (
695 ph.current_result->s_setup, ph.current_result->e_setup);
698 case GAS_OP_SOLVE_MLP_LP_START:
699 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
700 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_LP_START",
701 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
702 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
708 if (GAS_STAT_SUCCESS == stat)
709 ph.current_result->valid = GNUNET_YES;
711 ph.current_result->valid = GNUNET_NO;
713 ph.current_result->s_lp = GNUNET_TIME_absolute_get ();
715 case GAS_OP_SOLVE_MLP_LP_STOP:
716 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
717 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_LP_STOP",
718 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
719 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
725 if (GAS_STAT_SUCCESS == stat)
726 ph.current_result->valid = GNUNET_YES;
728 ph.current_result->valid = GNUNET_NO;
730 ph.current_result->e_lp = GNUNET_TIME_absolute_get ();
731 ph.current_result->d_lp_full = GNUNET_TIME_absolute_get_difference (
732 ph.current_result->s_lp, ph.current_result->e_lp);
735 case GAS_OP_SOLVE_MLP_MLP_START:
736 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
737 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_MLP_START",
738 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
739 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
745 if (GAS_STAT_SUCCESS == stat)
746 ph.current_result->valid = GNUNET_YES;
748 ph.current_result->valid = GNUNET_NO;
750 ph.current_result->s_mlp = GNUNET_TIME_absolute_get ();
752 case GAS_OP_SOLVE_MLP_MLP_STOP:
753 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
754 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_MLP_STOP",
755 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
756 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
762 if (GAS_STAT_SUCCESS == stat)
763 ph.current_result->valid = GNUNET_YES;
765 ph.current_result->valid = GNUNET_NO;
767 ph.current_result->e_mlp = GNUNET_TIME_absolute_get ();
768 ph.current_result->d_mlp_full = GNUNET_TIME_absolute_get_difference (
769 ph.current_result->s_mlp, ph.current_result->e_mlp);
771 case GAS_OP_SOLVE_UPDATE_NOTIFICATION_START:
772 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
773 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_UPDATE_NOTIFICATION_START",
774 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
776 case GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP:
777 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
778 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP",
779 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
780 if (GAS_STAT_SUCCESS != stat)
782 GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
783 "Solver `%s' failed to update problem with %u peers and %u address!\n",
784 ph.ats_string, ph.current_p, ph.current_a);
794 * Evaluate results for a specific iteration
796 * @param iteration the iteration to evaluate
799 evaluate (int iteration)
804 for (cp = ph.N_peers_start; cp <= ph.N_peers_end; cp ++)
806 cur = ph.iterations_results[ph.current_iteration-1].results_array[cp];
813 "Missing result for %u peers\n", cp);
818 if (GNUNET_NO == cur->valid)
821 "Total time to solve %s for %u peers %u addresses: %s\n",
822 (GNUNET_YES == cur->update) ? "updated" : "full",
823 cur->peers, cur->addresses, "Failed to solve!");
828 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_total_full.rel_value_us)
831 "Total time to solve %s for %u peers %u addresses: %llu us\n",
832 (GNUNET_YES == cur->update) ? "updated" : "full",
833 cur->peers, cur->addresses,
834 (unsigned long long) cur->d_total_full.rel_value_us);
838 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_setup_full.rel_value_us)
840 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
841 "Total time to setup %s %u peers %u addresses: %llu us\n",
842 (GNUNET_YES == cur->update) ? "updated" : "full",
843 cur->peers, cur->addresses,
844 (unsigned long long) cur->d_setup_full.rel_value_us);
847 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_lp_full.rel_value_us)
849 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
850 "Total time to solve %s LP for %u peers %u addresses: %llu us\n",
851 (GNUNET_YES == cur->update) ? "updated" : "full",
854 (unsigned long long )cur->d_lp_full.rel_value_us);
857 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_mlp_full.rel_value_us)
859 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
860 "Total time to solve %s MLP for %u peers %u addresses: %llu us\n",
861 (GNUNET_YES == cur->update) ? "updated" : "full",
862 cur->peers, cur->addresses,
863 (unsigned long long )cur->d_mlp_full.rel_value_us);
870 get_connectivity_cb (void *cls,
871 const struct GNUNET_PeerIdentity *peer)
873 return GNUNET_CONTAINER_multipeermap_contains (ph.addresses,
879 * Evaluate average results for all iterations
882 write_all_iterations (void)
887 struct GNUNET_DISK_FileHandle *f_full;
888 struct GNUNET_DISK_FileHandle *f_update;
890 char * data_fn_update;
898 if (GNUNET_NO == ph.create_datafile)
901 GNUNET_asprintf (&data_fn_full,
902 "perf_%s_full_%u-%u_%u_%u.data",
908 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
909 "Using data file `%s'\n",
912 f_full = GNUNET_DISK_file_open (data_fn_full,
913 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
914 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
917 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
918 "Cannot open data file `%s'\n",
920 GNUNET_free (data_fn_full);
924 data = "#peers;addresses;time total in us;#time setup in us;#time lp in us;#time mlp in us;\n";
925 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f_full, data, strlen(data)))
926 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
927 "Cannot write data to log file `%s'\n",
930 data_fn_update = NULL;
931 if (GNUNET_YES == ph.measure_updates)
933 GNUNET_asprintf (&data_fn_update, "perf_%s_update_%u-%u_%u_%u.data",
939 f_update = GNUNET_DISK_file_open (data_fn_update,
940 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
941 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
942 if (NULL == f_update)
944 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
945 "Cannot open gnuplot file `%s'\n", data_fn_update);
946 GNUNET_free (data_fn_update);
948 GNUNET_DISK_file_close (f_full);
949 GNUNET_free (data_fn_full);
953 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
954 "Using update data file `%s'\n",
957 data = "#peers;addresses;time total in us;#time setup in us;#time lp in us;#time mlp in us;\n";
958 if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_update, data, strlen(data)))
959 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
960 "Cannot write data to log file `%s'\n",
964 for (c_peer = ph.N_peers_start; c_peer <= ph.N_peers_end; c_peer ++)
970 GNUNET_asprintf(&data_str, "%u;%u",c_peer, ph.N_address);
971 if (ph.measure_updates)
972 GNUNET_asprintf(&data_upd_str, "%u;%u",c_peer, ph.N_address);
973 for (c_iteration = 0; c_iteration < ph.total_iterations; c_iteration ++)
975 struct Result *cur_full_res;
976 struct Result *cur_upd_res;
980 //fprintf (stderr, "P: %u I: %u == %p \n", c_peer, c_iteration, cur_res);
981 cur_full_res = ph.iterations_results[c_iteration].results_array[c_peer];
984 if (NULL == cur_full_res)
987 if (ph.measure_updates)
989 cur_upd_res = ph.iterations_results[c_iteration].update_results_array[c_peer];
990 data_upd_tmp = GNUNET_strdup (data_upd_str);
991 GNUNET_free (data_upd_str);
992 if (GNUNET_YES == cur_full_res->valid)
994 GNUNET_asprintf (&data_upd_str, "%s;%llu", data_upd_tmp,
995 (NULL == cur_upd_res) ? 0 : cur_upd_res->d_total_full.rel_value_us);
999 GNUNET_asprintf (&data_upd_str, "%s;", data_upd_tmp);
1001 GNUNET_free (data_upd_tmp);
1005 //fprintf (stderr, "P: %u I: %u: P %i A %i\n", c_peer, c_iteration, cur_res->peers, cur_res->addresses);
1006 //fprintf (stderr, "D total: %llu\n", (long long unsigned int) cur_res->d_total.rel_value_us);
1008 data_tmp = GNUNET_strdup (data_str);
1009 GNUNET_free (data_str);
1010 if (GNUNET_YES == cur_full_res->valid)
1012 GNUNET_asprintf (&data_str, "%s;%llu", data_tmp,
1013 cur_full_res->d_total_full.rel_value_us);
1017 GNUNET_asprintf (&data_str, "%s;", data_tmp);
1020 GNUNET_free (data_tmp);
1022 data_tmp = GNUNET_strdup (data_str);
1023 GNUNET_free (data_str);
1024 GNUNET_asprintf (&data_str, "%s\n", data_tmp);
1025 GNUNET_free (data_tmp);
1027 fprintf (stderr, "Result full solution: %s\n", data_str);
1028 if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_full, data_str, strlen(data_str)))
1030 GNUNET_free (data_str);
1032 if (ph.measure_updates)
1034 data_upd_tmp = GNUNET_strdup (data_upd_str);
1035 GNUNET_free (data_upd_str);
1036 GNUNET_asprintf (&data_upd_str, "%s\n", data_upd_tmp);
1037 GNUNET_free (data_upd_tmp);
1039 fprintf (stderr, "Result updated solution: `%s'\n", data_upd_str);
1040 if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_update, data_upd_str, strlen(data_upd_str)))
1042 GNUNET_free (data_upd_str);
1046 if ((NULL != f_full) && (GNUNET_SYSERR == GNUNET_DISK_file_close (f_full)))
1047 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n",
1049 GNUNET_free_non_null (data_fn_full);
1051 if ((NULL != f_update) && (GNUNET_SYSERR == GNUNET_DISK_file_close (f_update)))
1052 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n",
1054 GNUNET_free_non_null (data_fn_update);
1059 do_delete_address (void *cls,
1060 const struct GNUNET_PeerIdentity *pid,
1063 struct ATS_Address *cur = value;
1065 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1066 "Deleting addresses for peer %u\n",
1068 GNUNET_assert (GNUNET_OK ==
1069 GNUNET_CONTAINER_multipeermap_remove (ph.addresses,
1072 ph.sf->s_del (ph.sf->cls, cur);
1073 GNUNET_free_non_null (cur->atsi);
1080 * Run a performance iteration
1083 perf_run_iteration (void)
1087 int count_p = ph.N_peers_end;
1088 int count_a = ph.N_address;
1089 struct ATS_Address * cur_addr;
1092 ph.iterations_results[ph.current_iteration-1].results_array = GNUNET_malloc ((count_p + 1) * sizeof (struct Result *));
1093 if (ph.measure_updates)
1094 ph.iterations_results[ph.current_iteration-1].update_results_array = GNUNET_malloc ((count_p + 1) * sizeof (struct Result *));
1095 ph.peers = GNUNET_malloc ((count_p) * sizeof (struct PerfPeer));
1096 for (cp = 0; cp < count_p; cp++)
1097 perf_create_peer (cp);
1098 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1099 "Iteration %u of %u, added %u peers\n", ph.current_iteration, ph.total_iterations, cp);
1101 for (cp = 0; cp < count_p; cp++)
1103 fprintf (stderr,"%u..", cp);
1104 if (GNUNET_NO == ph.bulk_running)
1106 ph.bulk_running = GNUNET_YES;
1107 ph.sf->s_bulk_start (ph.sf->cls);
1109 ph.current_p = cp + 1;
1110 for (ca = 0; ca < count_a; ca++)
1112 cur_addr = perf_create_address (cp, ca);
1115 /* Random network selection */
1116 //net = 1 + GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, GNUNET_ATS_NetworkTypeCount - 1);
1117 /* Random equally distributed network selection */
1118 net = 1 + (ca % (GNUNET_ATS_NetworkTypeCount - 1));
1119 /* fprintf (stderr, "Network: %u `%s'\n",
1120 * mod_net , GNUNET_ATS_print_network_type(mod_net)); */
1122 cur_addr->atsi = GNUNET_new (struct GNUNET_ATS_Information);
1123 cur_addr->atsi_count = 1;
1124 cur_addr->atsi[0].type = htonl (GNUNET_ATS_NETWORK_TYPE);
1125 cur_addr->atsi[0].value = htonl (net);
1126 ph.sf->s_add (ph.sf->cls, cur_addr, net);
1128 ph.current_a = ca + 1;
1129 perf_address_initial_update (NULL, ph.addresses, cur_addr);
1130 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1131 "Adding address for peer %u address %u in network %s\n", cp, ca,
1132 GNUNET_ATS_print_network_type(net));
1134 /* Notify solver about request */
1135 ph.sf->s_get (ph.sf->cls, &ph.peers[cp].id);
1137 if (cp + 1 >= ph.N_peers_start)
1139 /* Disable bulk to solve the problem */
1140 if (GNUNET_YES == ph.bulk_running)
1142 ph.expecting_solution = GNUNET_YES;
1143 ph.bulk_running = GNUNET_NO;
1144 ph.sf->s_bulk_stop (ph.sf->cls);
1149 /* Problem is solved by the solver here due to unlocking */
1150 ph.expecting_solution = GNUNET_NO;
1152 /* Update the problem */
1153 if ((0 < ph.opt_update_percent) && (GNUNET_YES == ph.measure_updates))
1156 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1157 "Updating problem with %u peers and %u addresses\n", cp + 1, ca);
1159 ph.expecting_solution = GNUNET_YES;
1160 ph.performed_update = GNUNET_YES;
1161 if (GNUNET_NO == ph.bulk_running)
1163 ph.bulk_running = GNUNET_YES;
1164 ph.sf->s_bulk_start (ph.sf->cls);
1166 perf_update_all_addresses (cp + 1, ca, ph.opt_update_percent);
1167 ph.bulk_running = GNUNET_NO;
1168 ph.sf->s_bulk_stop (ph.sf->cls);
1169 /* Problem is solved by the solver here due to unlocking */
1170 ph.performed_update = GNUNET_NO;
1171 ph.expecting_solution = GNUNET_NO;
1173 GNUNET_assert (GNUNET_NO == ph.bulk_running);
1176 fprintf (stderr,"\n");
1177 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1178 "Done, cleaning up addresses\n");
1179 if (GNUNET_NO == ph.bulk_running)
1181 ph.sf->s_bulk_start (ph.sf->cls);
1182 ph.bulk_running = GNUNET_YES;
1185 for (cp = 0; cp < count_p; cp++)
1187 GNUNET_CONTAINER_multipeermap_get_multiple (ph.addresses,
1192 if (GNUNET_NO == ph.bulk_running)
1194 ph.sf->s_bulk_stop (ph.sf->cls);
1195 ph.bulk_running = GNUNET_NO;
1198 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1199 "Iteration done\n");
1200 GNUNET_free(ph.peers);
1205 run (void *cls, char * const *args, const char *cfgfile,
1206 const struct GNUNET_CONFIGURATION_Handle *cfg)
1208 GNUNET_log_setup ("perf-ats-solver", "WARNING", NULL);
1210 char *src_filename = GNUNET_strdup (__FILE__);
1211 char *test_filename = cls;
1214 struct GNUNET_CONFIGURATION_Handle *solver_cfg;
1215 unsigned long long quotas_in[GNUNET_ATS_NetworkTypeCount];
1216 unsigned long long quotas_out[GNUNET_ATS_NetworkTypeCount];
1220 /* Extract test name */
1221 if (NULL == (sep = (strstr (src_filename,".c"))))
1223 GNUNET_free (src_filename);
1230 if (NULL != (sep = strstr (test_filename, ".exe")))
1233 if (NULL == (solver = strstr (test_filename, src_filename)))
1235 GNUNET_free (src_filename);
1240 solver += strlen (src_filename) +1;
1242 if (0 == strcmp(solver, "proportional"))
1244 ph.ats_string = "proportional";
1246 else if (0 == strcmp(solver, "mlp"))
1248 ph.ats_string = "mlp";
1250 else if ((0 == strcmp(solver, "ril")))
1252 ph.ats_string = "ril";
1256 GNUNET_free (src_filename);
1261 GNUNET_free (src_filename);
1263 /* Calculcate peers */
1264 if ((0 == ph.N_peers_start) && (0 == ph.N_peers_end))
1266 ph.N_peers_start = DEFAULT_PEERS_START;
1267 ph.N_peers_end = DEFAULT_PEERS_END;
1269 if (0 == ph.N_address)
1270 ph.N_address = DEFAULT_ADDRESSES;
1273 if (ph.N_peers_start != ph.N_peers_end)
1274 fprintf (stderr, "Benchmarking solver `%s' with %u to %u peers and %u addresses in %u iterations\n",
1275 ph.ats_string, ph.N_peers_start, ph.N_peers_end, ph.N_address, ph.total_iterations);
1277 fprintf (stderr, "Benchmarking solver `%s' with %u peers and %u addresses in %u iterations\n",
1278 ph.ats_string, ph.N_peers_end, ph.N_address, ph.total_iterations);
1280 if (0 == ph.opt_update_percent)
1281 ph.opt_update_percent = DEFAULT_UPDATE_PERCENTAGE;
1284 solver_cfg = GNUNET_CONFIGURATION_create();
1285 if ((NULL == solver_cfg) || (GNUNET_SYSERR == (GNUNET_CONFIGURATION_load ( solver_cfg, "perf_ats_solver.conf"))))
1291 if (GNUNET_ATS_NetworkTypeCount != load_quotas (solver_cfg,
1292 quotas_out, quotas_in, GNUNET_ATS_NetworkTypeCount))
1299 /* Create array of DLL to store results for iterations */
1300 ph.iterations_results = GNUNET_malloc (sizeof (struct Iteration) * ph.total_iterations);
1303 ph.env.cfg = solver_cfg;
1304 ph.stat = GNUNET_STATISTICS_create ("ats", cfg);
1305 ph.env.stats = ph.stat;
1306 ph.addresses = GNUNET_CONTAINER_multipeermap_create (128, GNUNET_NO);
1307 ph.env.addresses = ph.addresses;
1308 ph.env.bandwidth_changed_cb = bandwidth_changed_cb;
1309 ph.env.get_connectivity = &get_connectivity_cb;
1310 ph.env.get_preferences = &get_preferences_cb;
1311 ph.env.network_count = GNUNET_ATS_NetworkTypeCount;
1312 ph.env.info_cb = &solver_info_cb;
1314 for (c = 0; c < GNUNET_ATS_NetworkTypeCount; c++)
1316 ph.env.out_quota[c] = quotas_out[c];
1317 ph.env.in_quota[c] = quotas_in[c];
1318 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1319 "Loading network quotas: `%s' %llu %llu \n",
1320 GNUNET_ATS_print_network_type (c),
1321 ph.env.out_quota[c],
1322 ph.env.in_quota[c]);
1324 GAS_normalization_start ();
1325 GAS_preference_init ();
1327 GNUNET_asprintf (&plugin,
1328 "libgnunet_plugin_ats_%s",
1330 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1331 _("Initializing solver `%s'\n"),
1333 if (NULL == (ph.sf = GNUNET_PLUGIN_load (plugin, &ph.env)))
1335 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1336 _("Failed to initialize solver `%s'!\n"),
1342 /* Do the benchmark */
1343 for (ph.current_iteration = 1; ph.current_iteration <= ph.total_iterations; ph.current_iteration++)
1346 "Iteration %u of %u starting\n",
1347 ph.current_iteration,
1348 ph.total_iterations);
1349 perf_run_iteration ();
1350 evaluate (ph.current_iteration);
1352 "Iteration %u of %u done\n",
1353 ph.current_iteration,
1354 ph.total_iterations);
1356 if (ph.create_datafile)
1357 write_all_iterations ();
1360 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1361 _("Unloading solver `%s'\n"),
1363 GNUNET_PLUGIN_unload (plugin, ph.sf);
1365 GNUNET_free (plugin);
1366 for (c = 0; c < ph.total_iterations; c++ )
1368 for (c2 = ph.N_peers_start; c2 < ph.N_peers_end; c2++ )
1372 if (ph.measure_updates)
1373 GNUNET_free_non_null (ph.iterations_results[c].update_results_array[c2]);
1374 GNUNET_free (ph.iterations_results[c].results_array[c2]);
1376 if (ph.measure_updates)
1377 GNUNET_free (ph.iterations_results[c].update_results_array);
1378 GNUNET_free(ph.iterations_results[c].results_array);
1380 GNUNET_free (ph.iterations_results);
1382 GNUNET_CONFIGURATION_destroy (solver_cfg);
1383 GNUNET_STATISTICS_destroy (ph.stat, GNUNET_NO);
1388 * Main function of the benchmark
1390 * @param argc argument count
1391 * @param argv argument values
1394 main (int argc, char *argv[])
1396 /* extract command line arguments */
1397 ph.opt_update_percent = 0;
1398 ph.N_peers_start = 0;
1401 ph.ats_string = NULL;
1402 ph.create_datafile = GNUNET_NO;
1403 ph.measure_updates = GNUNET_NO;
1404 ph.total_iterations = 1;
1406 static struct GNUNET_GETOPT_CommandLineOption options[] = {
1407 { 'a', "addresses", NULL,
1408 gettext_noop ("addresses to use"),
1409 1, &GNUNET_GETOPT_set_uint, &ph.N_address },
1410 { 's', "start", NULL,
1411 gettext_noop ("start with peer"),
1412 1, &GNUNET_GETOPT_set_uint, &ph.N_peers_start },
1414 gettext_noop ("end with peer"),
1415 1, &GNUNET_GETOPT_set_uint, &ph.N_peers_end },
1416 { 'i', "iterations", NULL,
1417 gettext_noop ("number of iterations used for averaging (default: 1)"),
1418 1, &GNUNET_GETOPT_set_uint, &ph.total_iterations },
1419 { 'p', "percentage", NULL,
1420 gettext_noop ("update a fix percentage of addresses"),
1421 1, &GNUNET_GETOPT_set_uint, &ph.opt_update_percent },
1422 { 'd', "data", NULL,
1423 gettext_noop ("create data file"),
1424 0, &GNUNET_GETOPT_set_one, &ph.create_datafile},
1425 { 'u', "update", NULL,
1426 gettext_noop ("measure updates"),
1427 0, &GNUNET_GETOPT_set_one, &ph.measure_updates},
1428 GNUNET_GETOPT_OPTION_END
1431 GNUNET_PROGRAM_run (argc, argv, argv[0], NULL, options, &run, argv[0]);
1435 /* end of file perf_ats_solver.c */