2 This file is part of GNUnet.
3 (C) 2010,2011 Christian Grothoff (and other contributing authors)
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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
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13 General Public License for more details.
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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 ();
337 * Create a peer used for benchmarking
339 * @param cp the number of the peer
342 perf_create_peer (int cp)
345 GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
346 &ph.peers[cp].id, sizeof (struct GNUNET_PeerIdentity));
347 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Creating peer #%u: %s \n", cp,
348 GNUNET_i2s (&ph.peers[cp].id));
353 * Perform an update for an address
355 * @param cur the address to update
358 perf_update_address (struct ATS_Address *cur)
364 r_type = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 2);
368 abs_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
369 rel_val = (100 + (double) abs_val) / 100;
371 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
372 "Updating peer `%s' address %p type %s abs val %u rel val %.3f\n",
373 GNUNET_i2s (&cur->peer), cur,
374 "GNUNET_ATS_QUALITY_NET_DELAY",
376 ph.sf->s_address_update_property (ph.sf->cls, cur,
377 GNUNET_ATS_QUALITY_NET_DELAY,
381 abs_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 10);
382 rel_val = (100 + (double) abs_val) / 100;
384 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
385 "Updating peer `%s' address %p type %s abs val %u rel val %.3f\n",
386 GNUNET_i2s (&cur->peer), cur, "GNUNET_ATS_QUALITY_NET_DISTANCE",
388 ph.sf->s_address_update_property (ph.sf->cls, cur,
389 GNUNET_ATS_QUALITY_NET_DISTANCE,
399 bandwidth_changed_cb (void *cls,
400 struct ATS_Address *address)
402 if ( (0 == address->assigned_bw_out) && (0 == address->assigned_bw_in) )
405 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
406 "Bandwidth changed addresses %s %p to %u Bps out / %u Bps in\n",
407 GNUNET_i2s (&address->peer),
409 address->assigned_bw_out,
410 address->assigned_bw_in);
411 if (GNUNET_YES == ph.bulk_running)
418 get_preferences_cb (void *cls, const struct GNUNET_PeerIdentity *id)
420 return GAS_normalization_get_preferences_by_peer (NULL, id);
425 get_property_cb (void *cls, const struct ATS_Address *address)
427 return GAS_normalization_get_properties (NULL,
433 perf_address_initial_update (void *dead,
434 struct GNUNET_CONTAINER_MultiPeerMap * addresses,
435 struct ATS_Address *address)
439 uint32_t random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
440 delay = (100 + (double) random) / 100;
441 ph.sf->s_address_update_property (ph.sf->cls,
442 address, GNUNET_ATS_QUALITY_NET_DELAY,
445 random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
446 distance = (100 + (double) random) / 100;
448 ph.sf->s_address_update_property (ph.sf->cls, address,
449 GNUNET_ATS_QUALITY_NET_DISTANCE,
452 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
453 "Initial update address %p : %.2f %.2f\n",
454 address, delay, distance);
466 do_update_address (void *cls,
467 const struct GNUNET_PeerIdentity *pid,
470 struct DUA_Ctx *ctx = cls;
471 struct ATS_Address *addr = value;
473 if (ctx->c_cur_a == ctx->r)
474 perf_update_address (addr);
481 * Update a certain percentage of peers
483 * @param cp the current number of peers
484 * @param ca the current number of addresses
485 * @param percentage_peers the percentage of peers to update
488 perf_update_all_addresses (unsigned int cp, unsigned int ca, unsigned int percentage_peers)
496 struct DUA_Ctx dua_ctx;
498 count = cp * ((double) percentage_peers / 100);
499 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
500 "Updating %u of %u peers \n", count, cp);
502 for (c_peer = 0; c_peer < cp; c_peer++)
507 while (c_select < count)
509 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, cp);
513 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
514 "Updating peer [%u] \n", r);
518 for (c_cur_p = 0; c_cur_p < cp; c_cur_p++)
522 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, ca);
523 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
524 "Updating peer [%u] address [%u]\n", c_cur_p, r);
528 GNUNET_CONTAINER_multipeermap_get_multiple (ph.addresses,
529 &ph.peers[c_cur_p].id,
537 * Create an address for a peer
539 * @param cp index of the peer
540 * @param ca index of the address
541 * @return the address
543 static struct ATS_Address *
544 perf_create_address (int cp, int ca)
546 struct ATS_Address *a;
548 a = create_address (&ph.peers[cp].id,
549 "Test 1", "test 1", strlen ("test 1") + 1, 0);
550 GNUNET_CONTAINER_multipeermap_put (ph.addresses, &ph.peers[cp].id, a,
551 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
557 * Information callback for the solver
559 * @param op the solver operation
560 * @param stat status of the solver operation
561 * @param add additional solver information
564 solver_info_cb (void *cls,
565 enum GAS_Solver_Operation op,
566 enum GAS_Solver_Status stat,
567 enum GAS_Solver_Additional_Information add)
572 add_info = "GAS_INFO_NONE";
575 add_info = "GAS_INFO_MLP_FULL";
577 case GAS_INFO_UPDATED:
578 add_info = "GAS_INFO_MLP_UPDATED";
580 case GAS_INFO_PROP_ALL:
581 add_info = "GAS_INFO_PROP_ALL";
583 case GAS_INFO_PROP_SINGLE:
584 add_info = "GAS_INFO_PROP_SINGLE";
587 add_info = "INVALID";
594 case GAS_OP_SOLVE_START:
595 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
596 "Solver notifies `%s' with result `%s' `%s'\n", "GAS_OP_SOLVE_START",
597 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL", add_info);
598 if (GNUNET_NO == ph.expecting_solution)
600 /* We do not expect a solution at the moment */
605 if ((GAS_STAT_SUCCESS == stat) && (NULL == ph.current_result))
607 tmp = GNUNET_new (struct Result);
608 /* Create new result */
609 if ((add == GAS_INFO_UPDATED) || (GNUNET_YES == ph.performed_update))
611 ph.current_result = tmp;
612 //fprintf (stderr,"UPDATE %u %u\n",ph.current_iteration-1, ph.current_p);
613 ph.iterations_results[ph.current_iteration-1].update_results_array[ph.current_p] = tmp;
617 ph.current_result = tmp;
618 //fprintf (stderr,"FULL %u %u\n",ph.current_iteration-1, ph.current_p);
619 ph.iterations_results[ph.current_iteration-1].results_array[ph.current_p] = tmp;
622 ph.current_result->addresses = ph.current_a;
623 ph.current_result->peers = ph.current_p;
624 ph.current_result->s_total = GNUNET_TIME_absolute_get();
625 ph.current_result->d_total_full = GNUNET_TIME_UNIT_FOREVER_REL;
626 ph.current_result->d_setup_full = GNUNET_TIME_UNIT_FOREVER_REL;
627 ph.current_result->d_lp_full = GNUNET_TIME_UNIT_FOREVER_REL;
628 ph.current_result->d_mlp_full = GNUNET_TIME_UNIT_FOREVER_REL;
629 ph.current_result->info = add;
630 if ((add == GAS_INFO_UPDATED) || (GNUNET_YES == ph.performed_update))
632 ph.current_result->update = GNUNET_YES;
636 ph.current_result->update = GNUNET_NO;
641 case GAS_OP_SOLVE_STOP:
642 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
643 "Solver notifies `%s' with result `%s', `%s'\n", "GAS_OP_SOLVE_STOP",
644 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL", add_info);
645 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
647 /* We do not expect a solution at the moment */
652 if (GAS_STAT_SUCCESS == stat)
653 ph.current_result->valid = GNUNET_YES;
655 ph.current_result->valid = GNUNET_NO;
657 if (NULL != ph.current_result)
659 /* Finalize result */
660 ph.current_result->e_total = GNUNET_TIME_absolute_get ();
661 ph.current_result->d_total_full = GNUNET_TIME_absolute_get_difference (
662 ph.current_result->s_total, ph.current_result->e_total);
664 ph.current_result = NULL;
667 case GAS_OP_SOLVE_SETUP_START:
668 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
669 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_SETUP_START",
670 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
671 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
677 if (GAS_STAT_SUCCESS == stat)
678 ph.current_result->valid = GNUNET_YES;
680 ph.current_result->valid = GNUNET_NO;
682 ph.current_result->s_setup = GNUNET_TIME_absolute_get ();
685 case GAS_OP_SOLVE_SETUP_STOP:
686 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
687 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_SETUP_STOP",
688 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
689 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
695 if (GAS_STAT_SUCCESS == stat)
696 ph.current_result->valid = GNUNET_YES;
698 ph.current_result->valid = GNUNET_NO;
700 ph.current_result->e_setup = GNUNET_TIME_absolute_get ();
701 ph.current_result->d_setup_full = GNUNET_TIME_absolute_get_difference (
702 ph.current_result->s_setup, ph.current_result->e_setup);
705 case GAS_OP_SOLVE_MLP_LP_START:
706 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
707 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_LP_START",
708 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
709 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
715 if (GAS_STAT_SUCCESS == stat)
716 ph.current_result->valid = GNUNET_YES;
718 ph.current_result->valid = GNUNET_NO;
720 ph.current_result->s_lp = GNUNET_TIME_absolute_get ();
722 case GAS_OP_SOLVE_MLP_LP_STOP:
723 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
724 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_LP_STOP",
725 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
726 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
732 if (GAS_STAT_SUCCESS == stat)
733 ph.current_result->valid = GNUNET_YES;
735 ph.current_result->valid = GNUNET_NO;
737 ph.current_result->e_lp = GNUNET_TIME_absolute_get ();
738 ph.current_result->d_lp_full = GNUNET_TIME_absolute_get_difference (
739 ph.current_result->s_lp, ph.current_result->e_lp);
742 case GAS_OP_SOLVE_MLP_MLP_START:
743 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
744 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_MLP_START",
745 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
746 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
752 if (GAS_STAT_SUCCESS == stat)
753 ph.current_result->valid = GNUNET_YES;
755 ph.current_result->valid = GNUNET_NO;
757 ph.current_result->s_mlp = GNUNET_TIME_absolute_get ();
759 case GAS_OP_SOLVE_MLP_MLP_STOP:
760 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
761 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_MLP_STOP",
762 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
763 if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
769 if (GAS_STAT_SUCCESS == stat)
770 ph.current_result->valid = GNUNET_YES;
772 ph.current_result->valid = GNUNET_NO;
774 ph.current_result->e_mlp = GNUNET_TIME_absolute_get ();
775 ph.current_result->d_mlp_full = GNUNET_TIME_absolute_get_difference (
776 ph.current_result->s_mlp, ph.current_result->e_mlp);
778 case GAS_OP_SOLVE_UPDATE_NOTIFICATION_START:
779 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
780 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_UPDATE_NOTIFICATION_START",
781 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
783 case GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP:
784 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
785 "Solver notifies `%s' with result `%s'\n", "GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP",
786 (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
787 if (GAS_STAT_SUCCESS != stat)
789 GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
790 "Solver `%s' failed to update problem with %u peers and %u address!\n",
791 ph.ats_string, ph.current_p, ph.current_a);
801 * Evaluate results for a specific iteration
803 * @param iteration the iteration to evaluate
806 evaluate (int iteration)
811 for (cp = ph.N_peers_start; cp <= ph.N_peers_end; cp ++)
813 cur = ph.iterations_results[ph.current_iteration-1].results_array[cp];
820 "Missing result for %u peers\n", cp);
825 if (GNUNET_NO == cur->valid)
828 "Total time to solve %s for %u peers %u addresses: %s\n",
829 (GNUNET_YES == cur->update) ? "updated" : "full",
830 cur->peers, cur->addresses, "Failed to solve!");
835 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_total_full.rel_value_us)
838 "Total time to solve %s for %u peers %u addresses: %llu us\n",
839 (GNUNET_YES == cur->update) ? "updated" : "full",
840 cur->peers, cur->addresses,
841 (unsigned long long) cur->d_total_full.rel_value_us);
845 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_setup_full.rel_value_us)
847 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
848 "Total time to setup %s %u peers %u addresses: %llu us\n",
849 (GNUNET_YES == cur->update) ? "updated" : "full",
850 cur->peers, cur->addresses,
851 (unsigned long long) cur->d_setup_full.rel_value_us);
854 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_lp_full.rel_value_us)
856 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
857 "Total time to solve %s LP for %u peers %u addresses: %llu us\n",
858 (GNUNET_YES == cur->update) ? "updated" : "full",
861 (unsigned long long )cur->d_lp_full.rel_value_us);
864 if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us != cur->d_mlp_full.rel_value_us)
866 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
867 "Total time to solve %s MLP for %u peers %u addresses: %llu us\n",
868 (GNUNET_YES == cur->update) ? "updated" : "full",
869 cur->peers, cur->addresses,
870 (unsigned long long )cur->d_mlp_full.rel_value_us);
877 * Evaluate average results for all iterations
880 write_all_iterations (void)
885 struct GNUNET_DISK_FileHandle *f_full;
886 struct GNUNET_DISK_FileHandle *f_update;
888 char * data_fn_update;
896 if (GNUNET_NO == ph.create_datafile)
899 GNUNET_asprintf (&data_fn_full,
900 "perf_%s_full_%u-%u_%u_%u.data",
906 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
907 "Using data file `%s'\n",
910 f_full = GNUNET_DISK_file_open (data_fn_full,
911 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
912 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
915 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
916 "Cannot open data file `%s'\n",
918 GNUNET_free (data_fn_full);
922 data = "#peers;addresses;time total in us;#time setup in us;#time lp in us;#time mlp in us;\n";
923 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f_full, data, strlen(data)))
924 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
925 "Cannot write data to log file `%s'\n",
928 data_fn_update = NULL;
929 if (GNUNET_YES == ph.measure_updates)
931 GNUNET_asprintf (&data_fn_update, "perf_%s_update_%u-%u_%u_%u.data",
937 f_update = GNUNET_DISK_file_open (data_fn_update,
938 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
939 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
940 if (NULL == f_update)
942 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
943 "Cannot open gnuplot file `%s'\n", data_fn_update);
944 GNUNET_free (data_fn_update);
946 GNUNET_DISK_file_close (f_full);
947 GNUNET_free (data_fn_full);
951 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
952 "Using update data file `%s'\n",
955 data = "#peers;addresses;time total in us;#time setup in us;#time lp in us;#time mlp in us;\n";
956 if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_update, data, strlen(data)))
957 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
958 "Cannot write data to log file `%s'\n",
962 for (c_peer = ph.N_peers_start; c_peer <= ph.N_peers_end; c_peer ++)
968 GNUNET_asprintf(&data_str, "%u;%u",c_peer, ph.N_address);
969 if (ph.measure_updates)
970 GNUNET_asprintf(&data_upd_str, "%u;%u",c_peer, ph.N_address);
971 for (c_iteration = 0; c_iteration < ph.total_iterations; c_iteration ++)
973 struct Result *cur_full_res;
974 struct Result *cur_upd_res;
978 //fprintf (stderr, "P: %u I: %u == %p \n", c_peer, c_iteration, cur_res);
979 cur_full_res = ph.iterations_results[c_iteration].results_array[c_peer];
982 if (NULL == cur_full_res)
985 if (ph.measure_updates)
987 cur_upd_res = ph.iterations_results[c_iteration].update_results_array[c_peer];
988 data_upd_tmp = GNUNET_strdup (data_upd_str);
989 GNUNET_free (data_upd_str);
990 if (GNUNET_YES == cur_full_res->valid)
992 GNUNET_asprintf (&data_upd_str, "%s;%llu", data_upd_tmp,
993 (NULL == cur_upd_res) ? 0 : cur_upd_res->d_total_full.rel_value_us);
997 GNUNET_asprintf (&data_upd_str, "%s;", data_upd_tmp);
999 GNUNET_free (data_upd_tmp);
1003 //fprintf (stderr, "P: %u I: %u: P %i A %i\n", c_peer, c_iteration, cur_res->peers, cur_res->addresses);
1004 //fprintf (stderr, "D total: %llu\n", (long long unsigned int) cur_res->d_total.rel_value_us);
1006 data_tmp = GNUNET_strdup (data_str);
1007 GNUNET_free (data_str);
1008 if (GNUNET_YES == cur_full_res->valid)
1010 GNUNET_asprintf (&data_str, "%s;%llu", data_tmp,
1011 cur_full_res->d_total_full.rel_value_us);
1015 GNUNET_asprintf (&data_str, "%s;", data_tmp);
1018 GNUNET_free (data_tmp);
1020 data_tmp = GNUNET_strdup (data_str);
1021 GNUNET_free (data_str);
1022 GNUNET_asprintf (&data_str, "%s\n", data_tmp);
1023 GNUNET_free (data_tmp);
1025 fprintf (stderr, "Result full solution: %s\n", data_str);
1026 if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_full, data_str, strlen(data_str)))
1028 GNUNET_free (data_str);
1030 if (ph.measure_updates)
1032 data_upd_tmp = GNUNET_strdup (data_upd_str);
1033 GNUNET_free (data_upd_str);
1034 GNUNET_asprintf (&data_upd_str, "%s\n", data_upd_tmp);
1035 GNUNET_free (data_upd_tmp);
1037 fprintf (stderr, "Result updated solution: `%s'\n", data_upd_str);
1038 if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_update, data_upd_str, strlen(data_upd_str)))
1040 GNUNET_free (data_upd_str);
1044 if ((NULL != f_full) && (GNUNET_SYSERR == GNUNET_DISK_file_close (f_full)))
1045 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n",
1047 GNUNET_free_non_null (data_fn_full);
1049 if ((NULL != f_update) && (GNUNET_SYSERR == GNUNET_DISK_file_close (f_update)))
1050 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n",
1052 GNUNET_free_non_null (data_fn_update);
1057 do_delete_address (void *cls,
1058 const struct GNUNET_PeerIdentity *pid,
1061 struct ATS_Address *cur = value;
1063 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1064 "Deleting addresses for peer %u\n",
1066 GNUNET_assert (GNUNET_OK ==
1067 GNUNET_CONTAINER_multipeermap_remove (ph.addresses,
1070 ph.sf->s_del (ph.sf->cls, cur, GNUNET_NO);
1071 GNUNET_free_non_null (cur->atsi);
1078 * Run a performance iteration
1081 perf_run_iteration (void)
1085 int count_p = ph.N_peers_end;
1086 int count_a = ph.N_address;
1087 struct ATS_Address * cur_addr;
1090 ph.iterations_results[ph.current_iteration-1].results_array = GNUNET_malloc ((count_p + 1) * sizeof (struct Result *));
1091 if (ph.measure_updates)
1092 ph.iterations_results[ph.current_iteration-1].update_results_array = GNUNET_malloc ((count_p + 1) * sizeof (struct Result *));
1093 ph.peers = GNUNET_malloc ((count_p) * sizeof (struct PerfPeer));
1094 for (cp = 0; cp < count_p; cp++)
1095 perf_create_peer (cp);
1096 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1097 "Iteration %u of %u, added %u peers\n", ph.current_iteration, ph.total_iterations, cp);
1099 for (cp = 0; cp < count_p; cp++)
1101 fprintf (stderr,"%u..", cp);
1102 if (GNUNET_NO == ph.bulk_running)
1104 ph.bulk_running = GNUNET_YES;
1105 ph.sf->s_bulk_start (ph.sf->cls);
1107 ph.current_p = cp + 1;
1108 for (ca = 0; ca < count_a; ca++)
1110 cur_addr = perf_create_address (cp, ca);
1113 /* Random network selection */
1114 //net = 1 + GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, GNUNET_ATS_NetworkTypeCount - 1);
1115 /* Random equally distributed network selection */
1116 net = 1 + (ca % (GNUNET_ATS_NetworkTypeCount - 1));
1117 /* fprintf (stderr, "Network: %u `%s'\n",
1118 * mod_net , GNUNET_ATS_print_network_type(mod_net)); */
1120 cur_addr->atsi = GNUNET_new (struct GNUNET_ATS_Information);
1121 cur_addr->atsi_count = 1;
1122 cur_addr->atsi[0].type = htonl (GNUNET_ATS_NETWORK_TYPE);
1123 cur_addr->atsi[0].value = htonl (net);
1124 ph.sf->s_add (ph.sf->cls, cur_addr, net);
1126 ph.current_a = ca + 1;
1127 perf_address_initial_update (NULL, ph.addresses, cur_addr);
1128 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1129 "Adding address for peer %u address %u in network %s\n", cp, ca,
1130 GNUNET_ATS_print_network_type(net));
1132 /* Notify solver about request */
1133 ph.sf->s_get (ph.sf->cls, &ph.peers[cp].id);
1135 if (cp + 1 >= ph.N_peers_start)
1137 /* Disable bulk to solve the problem */
1138 if (GNUNET_YES == ph.bulk_running)
1140 ph.expecting_solution = GNUNET_YES;
1141 ph.bulk_running = GNUNET_NO;
1142 ph.sf->s_bulk_stop (ph.sf->cls);
1147 /* Problem is solved by the solver here due to unlocking */
1148 ph.expecting_solution = GNUNET_NO;
1150 /* Update the problem */
1151 if ((0 < ph.opt_update_percent) && (GNUNET_YES == ph.measure_updates))
1154 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1155 "Updating problem with %u peers and %u addresses\n", cp + 1, ca);
1157 ph.expecting_solution = GNUNET_YES;
1158 ph.performed_update = GNUNET_YES;
1159 if (GNUNET_NO == ph.bulk_running)
1161 ph.bulk_running = GNUNET_YES;
1162 ph.sf->s_bulk_start (ph.sf->cls);
1164 perf_update_all_addresses (cp + 1, ca, ph.opt_update_percent);
1165 ph.bulk_running = GNUNET_NO;
1166 ph.sf->s_bulk_stop (ph.sf->cls);
1167 /* Problem is solved by the solver here due to unlocking */
1168 ph.performed_update = GNUNET_NO;
1169 ph.expecting_solution = GNUNET_NO;
1171 GNUNET_assert (GNUNET_NO == ph.bulk_running);
1174 fprintf (stderr,"\n");
1175 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1176 "Done, cleaning up addresses\n");
1177 if (GNUNET_NO == ph.bulk_running)
1179 ph.sf->s_bulk_start (ph.sf->cls);
1180 ph.bulk_running = GNUNET_YES;
1183 for (cp = 0; cp < count_p; cp++)
1185 GNUNET_CONTAINER_multipeermap_get_multiple (ph.addresses,
1191 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1192 "Iteration done\n");
1193 GNUNET_free(ph.peers);
1198 run (void *cls, char * const *args, const char *cfgfile,
1199 const struct GNUNET_CONFIGURATION_Handle *cfg)
1201 GNUNET_log_setup ("perf-ats-solver", "WARNING", NULL);
1203 char *src_filename = GNUNET_strdup (__FILE__);
1204 char *test_filename = cls;
1207 struct GNUNET_CONFIGURATION_Handle *solver_cfg;
1208 unsigned long long quotas_in[GNUNET_ATS_NetworkTypeCount];
1209 unsigned long long quotas_out[GNUNET_ATS_NetworkTypeCount];
1213 /* Extract test name */
1214 if (NULL == (sep = (strstr (src_filename,".c"))))
1216 GNUNET_free (src_filename);
1223 if (NULL != (sep = strstr (test_filename, ".exe")))
1226 if (NULL == (solver = strstr (test_filename, src_filename)))
1228 GNUNET_free (src_filename);
1233 solver += strlen (src_filename) +1;
1235 if (0 == strcmp(solver, "proportional"))
1237 ph.ats_mode = MODE_PROPORTIONAL;
1238 ph.ats_string = "proportional";
1240 else if (0 == strcmp(solver, "mlp"))
1242 ph.ats_mode = MODE_MLP;
1243 ph.ats_string = "mlp";
1245 else if ((0 == strcmp(solver, "ril")))
1247 ph.ats_mode = MODE_RIL;
1248 ph.ats_string = "ril";
1252 GNUNET_free (src_filename);
1257 GNUNET_free (src_filename);
1259 /* Calculcate peers */
1260 if ((0 == ph.N_peers_start) && (0 == ph.N_peers_end))
1262 ph.N_peers_start = DEFAULT_PEERS_START;
1263 ph.N_peers_end = DEFAULT_PEERS_END;
1265 if (0 == ph.N_address)
1266 ph.N_address = DEFAULT_ADDRESSES;
1269 if (ph.N_peers_start != ph.N_peers_end)
1270 fprintf (stderr, "Benchmarking solver `%s' with %u to %u peers and %u addresses in %u iterations\n",
1271 ph.ats_string, ph.N_peers_start, ph.N_peers_end, ph.N_address, ph.total_iterations);
1273 fprintf (stderr, "Benchmarking solver `%s' with %u peers and %u addresses in %u iterations\n",
1274 ph.ats_string, ph.N_peers_end, ph.N_address, ph.total_iterations);
1276 if (0 == ph.opt_update_percent)
1277 ph.opt_update_percent = DEFAULT_UPDATE_PERCENTAGE;
1280 solver_cfg = GNUNET_CONFIGURATION_create();
1281 if ((NULL == solver_cfg) || (GNUNET_SYSERR == (GNUNET_CONFIGURATION_load ( solver_cfg, "perf_ats_solver.conf"))))
1287 if (GNUNET_ATS_NetworkTypeCount != load_quotas (solver_cfg,
1288 quotas_out, quotas_in, GNUNET_ATS_NetworkTypeCount))
1295 /* Create array of DLL to store results for iterations */
1296 ph.iterations_results = GNUNET_malloc (sizeof (struct Iteration) * ph.total_iterations);
1299 ph.env.cfg = solver_cfg;
1300 ph.stat = GNUNET_STATISTICS_create ("ats", cfg);
1301 ph.env.stats = ph.stat;
1302 ph.addresses = GNUNET_CONTAINER_multipeermap_create (128, GNUNET_NO);
1303 ph.env.addresses = ph.addresses;
1304 ph.env.bandwidth_changed_cb = bandwidth_changed_cb;
1305 ph.env.get_preferences = &get_preferences_cb;
1306 ph.env.get_property = &get_property_cb;
1307 ph.env.network_count = GNUNET_ATS_NetworkTypeCount;
1308 ph.env.info_cb = &solver_info_cb;
1310 for (c = 0; c < GNUNET_ATS_NetworkTypeCount; c++)
1312 ph.env.out_quota[c] = quotas_out[c];
1313 ph.env.in_quota[c] = quotas_in[c];
1314 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Loading network quotas: `%s' %llu %llu \n",
1315 GNUNET_ATS_print_network_type (c),
1316 ph.env.out_quota[c],
1317 ph.env.in_quota[c]);
1319 GAS_normalization_start ();
1321 GNUNET_asprintf (&plugin, "libgnunet_plugin_ats_%s", ph.ats_string);
1322 GNUNET_log(GNUNET_ERROR_TYPE_INFO, _("Initializing solver `%s'\n"), ph.ats_string);
1323 if (NULL == (ph.sf = GNUNET_PLUGIN_load (plugin, &ph.env)))
1325 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1326 _("Failed to initialize solver `%s'!\n"), plugin);
1331 /* Do the benchmark */
1332 for (ph.current_iteration = 1; ph.current_iteration <= ph.total_iterations; ph.current_iteration++)
1334 fprintf (stderr, "Iteration %u of %u starting\n", ph.current_iteration, ph.total_iterations);
1335 perf_run_iteration ();
1336 evaluate (ph.current_iteration);
1337 fprintf (stderr, "Iteration %u of %u done\n", ph.current_iteration, ph.total_iterations);
1339 if (ph.create_datafile)
1340 write_all_iterations ();
1343 GNUNET_log(GNUNET_ERROR_TYPE_INFO, _("Unloading solver `%s'\n"), ph.ats_string);
1344 GNUNET_PLUGIN_unload (plugin, ph.sf);
1346 GNUNET_free (plugin);
1347 for (c = 0; c < ph.total_iterations; c++ )
1349 for (c2 = ph.N_peers_start; c2 < ph.N_peers_end; c2++ )
1353 if (ph.measure_updates)
1354 GNUNET_free_non_null (ph.iterations_results[c].update_results_array[c2]);
1355 GNUNET_free (ph.iterations_results[c].results_array[c2]);
1357 if (ph.measure_updates)
1358 GNUNET_free (ph.iterations_results[c].update_results_array);
1359 GNUNET_free(ph.iterations_results[c].results_array);
1361 GNUNET_free (ph.iterations_results);
1363 GNUNET_CONFIGURATION_destroy (solver_cfg);
1364 GNUNET_STATISTICS_destroy (ph.stat, GNUNET_NO);
1368 * Main function of the benchmark
1370 * @param argc argument count
1371 * @param argv argument values
1374 main (int argc, char *argv[])
1376 /* extract command line arguments */
1377 ph.opt_update_percent = 0;
1378 ph.N_peers_start = 0;
1381 ph.ats_string = NULL;
1382 ph.create_datafile = GNUNET_NO;
1383 ph.measure_updates = GNUNET_NO;
1384 ph.total_iterations = 1;
1386 static struct GNUNET_GETOPT_CommandLineOption options[] = {
1387 { 'a', "addresses", NULL,
1388 gettext_noop ("addresses to use"),
1389 1, &GNUNET_GETOPT_set_uint, &ph.N_address },
1390 { 's', "start", NULL,
1391 gettext_noop ("start with peer"),
1392 1, &GNUNET_GETOPT_set_uint, &ph.N_peers_start },
1394 gettext_noop ("end with peer"),
1395 1, &GNUNET_GETOPT_set_uint, &ph.N_peers_end },
1396 { 'i', "iterations", NULL,
1397 gettext_noop ("number of iterations used for averaging (default: 1)"),
1398 1, &GNUNET_GETOPT_set_uint, &ph.total_iterations },
1399 { 'p', "percentage", NULL,
1400 gettext_noop ("update a fix percentage of addresses"),
1401 1, &GNUNET_GETOPT_set_uint, &ph.opt_update_percent },
1402 { 'd', "data", NULL,
1403 gettext_noop ("create data file"),
1404 0, &GNUNET_GETOPT_set_one, &ph.create_datafile},
1405 { 'u', "update", NULL,
1406 gettext_noop ("measure updates"),
1407 0, &GNUNET_GETOPT_set_one, &ph.measure_updates},
1408 GNUNET_GETOPT_OPTION_END
1411 GNUNET_PROGRAM_run (argc, argv, argv[0], NULL, options, &run, argv[0]);
1415 /* end of file perf_ats_solver.c */