src/ats/perf_ats_mlp.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2010,2011 Christian Grothoff (and other contributing authors)
   4
   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.
   9
  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.
  14
  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.
  19 */
  20 /**
  21  * @file ats/perf_ats_mlp
  22  * @brief performance test for the MLP solver
  23  * @author Christian Grothoff
  24  * @author Matthias Wachs
  25
  26  */
  27
  28 /*
  29      This file is part of GNUnet.
  30      (C) 2010,2011 Christian Grothoff (and other contributing authors)
  31
  32      GNUnet is free software; you can redistribute it and/or modify
  33      it under the terms of the GNU General Public License as published
  34      by the Free Software Foundation; either version 3, or (at your
  35      option) any later version.
  36
  37      GNUnet is distributed in the hope that it will be useful, but
  38      WITHOUT ANY WARRANTY; without even the implied warranty of
  39      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  40      General Public License for more details.
  41
  42      You should have received a copy of the GNU General Public License
  43      along with GNUnet; see the file COPYING.  If not, write to the
  44      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  45      Boston, MA 02111-1307, USA.
  46 */
  47 /**
  48  * @file ats/test_ats_mlp.c
  49  * @brief basic test for the MLP solver
  50  * @author Christian Grothoff
  51  * @author Matthias Wachs
  52
  53  */
  54 #include "platform.h"
  55 #include "gnunet_util_lib.h"
  56 #include "gnunet_statistics_service.h"
  57 #include "gnunet_ats_service.h"
  58 #include "gnunet-service-ats-solver_mlp.h"
  59 #include "gnunet-service-ats_normalization.h"
  60 #include "test_ats_api_common.h"
  61
  62 #define PEERS_START 100
  63 #define PEERS_END       100
  64
  65 #define ADDRESSES 10
  66
  67 int count_p;
  68 int count_a;
  69
  70
  71 struct PerfPeer
  72 {
  73         struct GNUNET_PeerIdentity id;
  74
  75         struct ATS_Address *head;
  76         struct ATS_Address *tail;
  77 };
  78
  79 static int ret;
  80 static int opt_numeric;
  81 static int opt_dump;
  82 static int opt_update_percent;
  83 static int opt_update_quantity;
  84
  85 static int N_peers_start;
  86 static int N_peers_end;
  87 static int N_address;
  88
  89 /**
  90  * Statistics handle
  91  */
  92 struct GNUNET_STATISTICS_Handle * stats;
  93
  94 /**
  95  * MLP solver handle
  96  */
  97 struct GAS_MLP_Handle *mlp;
  98
  99 /**
 100  * Hashmap containing addresses
 101  */
 102 struct GNUNET_CONTAINER_MultiHashMap * addresses;
 103
 104 #define ATS_COUNT 2
 105 struct GNUNET_ATS_Information ats[2];
 106
 107 struct PerfPeer *peers;
 108
 109 static void
 110 end_now (int res)
 111 {
 112   if (NULL != stats)
 113   {
 114           GNUNET_STATISTICS_destroy(stats, GNUNET_NO);
 115           stats = NULL;
 116   }
 117   /*
 118   if (NULL != addresses)
 119   {
 120                 GNUNET_CONTAINER_multihashmap_iterate (addresses, &addr_it, NULL);
 121                 GNUNET_CONTAINER_multihashmap_destroy (addresses);
 122                 addresses = NULL ;
 123   }*/
 124   if (NULL != peers)
 125         {
 126                 GNUNET_free (peers);
 127         }
 128   if (NULL != mlp)
 129   {
 130                 GAS_mlp_done (mlp);
 131                 mlp = NULL;
 132   }
 133   GAS_normalization_stop();
 134         ret = res;
 135 }
 136
 137
 138 static void
 139 bandwidth_changed_cb (void *cls, struct ATS_Address *address)
 140 {
 141
 142 }
 143
 144 static const double *
 145 get_preferences_cb (void *cls, const struct GNUNET_PeerIdentity *id)
 146 {
 147         return GAS_normalization_get_preferences (id);
 148 }
 149
 150
 151 static void
 152 perf_create_peer (int cp)
 153 {
 154         GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, &peers[cp].id.hashPubKey);
 155         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer #%u: %s \n", cp, GNUNET_i2s (&peers[cp].id));
 156 }
 157
 158 static struct ATS_Address *
 159 perf_create_address (int cp, int ca)
 160 {
 161         struct ATS_Address *a;
 162         a = create_address (&peers[cp].id, "Test 1", "test 1", strlen ("test 1") + 1, 0);
 163         GNUNET_CONTAINER_DLL_insert (peers[cp].head, peers[cp].tail, a);
 164         GNUNET_CONTAINER_multihashmap_put (addresses, &peers[cp].id.hashPubKey, a, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
 165         return a;
 166 }
 167
 168 static void
 169 address_initial_update (void *solver, struct GNUNET_CONTAINER_MultiHashMap * addresses, struct ATS_Address *address)
 170 {
 171         ats[0].type = htonl (GNUNET_ATS_QUALITY_NET_DELAY);
 172         ats[0].value = htonl (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 100));
 173
 174         ats[1].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
 175         ats[1].value = htonl (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 10));
 176
 177         GAS_mlp_address_update (mlp, addresses, address, 0, GNUNET_YES, ats, 2);
 178 }
 179
 180
 181 static void
 182 update_single_addresses (struct ATS_Address *cur)
 183 {
 184         int r_type;
 185         int r_val;
 186
 187         r_type = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2);
 188         switch (r_type) {
 189                 case 0:
 190                         r_val = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 100);
 191                         ats[0].type = htonl (GNUNET_ATS_QUALITY_NET_DELAY);
 192                         ats[0].value = htonl (r_val);
 193                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating peer `%s' address %p type %s val %u\n",
 194                                         GNUNET_i2s (&cur->peer), cur,
 195                                         "GNUNET_ATS_QUALITY_NET_DELAY", r_val);
 196                         break;
 197                 case 1:
 198                         r_val = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 10);
 199                         ats[0].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
 200                         ats[0].value = htonl (r_val);
 201                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating peer `%s' address %p type %s val %u\n",
 202                                         GNUNET_i2s (&cur->peer), cur,
 203                                         "GNUNET_ATS_QUALITY_NET_DISTANCE", r_val);
 204                         break;
 205                 default:
 206                         break;
 207         }
 208         GAS_mlp_address_update (mlp, addresses, cur, 0, GNUNET_YES, ats, 1);
 209 }
 210
 211 static void
 212 update_addresses (unsigned int cp, unsigned int ca, unsigned int up_q)
 213 {
 214         struct ATS_Address *cur;
 215         int c_peer;
 216         int c_select;
 217         int c_addr;
 218         int r;
 219
 220         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating addresses %u addresses per peer \n", up_q);
 221         unsigned int m [ca];
 222
 223         for (c_peer = 0; c_peer < cp; c_peer++)
 224         {
 225                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating peer `%s'\n", GNUNET_i2s (&peers[c_peer].id));
 226                         for (c_select = 0; c_select < ca; c_select++)
 227                                 m[c_select] = 0;
 228                         c_select = 0;
 229                         while (c_select < opt_update_quantity)
 230                         {
 231                                         r = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, ca);
 232                                         if (0 == m[r])
 233                                         {
 234                                                 m[r] = 1;
 235                                                 c_select++;
 236                                         }
 237                         }
 238
 239                         c_addr = 0;
 240                         for (cur = peers[c_peer].head; NULL != cur; cur = cur->next)
 241                         {
 242                                         if (1 == m[c_addr])
 243                                                         update_single_addresses (cur);
 244                                         c_addr ++;
 245                         }
 246         }
 247 }
 248
 249
 250 static void
 251 check (void *cls, char *const *args, const char *cfgfile,
 252        const struct GNUNET_CONFIGURATION_Handle *cfg)
 253 {
 254   int quotas[GNUNET_ATS_NetworkTypeCount] = GNUNET_ATS_NetworkType;
 255   unsigned long long  quotas_in[GNUNET_ATS_NetworkTypeCount];
 256   unsigned long long  quotas_out[GNUNET_ATS_NetworkTypeCount];
 257         int cp;
 258         int ca;
 259         struct ATS_Address * cur_addr;
 260
 261         int full_lp_res;
 262         int full_mip_res;
 263         int full_lp_presolv;
 264         int full_mip_presolv;
 265         struct GNUNET_TIME_Relative full_build_dur;
 266         struct GNUNET_TIME_Relative full_lp_dur;
 267         struct GNUNET_TIME_Relative full_mip_dur;
 268
 269         int update_lp_res;
 270         int update_mip_res;
 271         int update_lp_presolv;
 272         int update_mip_presolv;
 273         struct GNUNET_TIME_Relative update_build_dur;
 274         struct GNUNET_TIME_Relative update_lp_dur;
 275         struct GNUNET_TIME_Relative update_mip_dur;
 276
 277   stats = GNUNET_STATISTICS_create("ats", cfg);
 278   if (NULL == stats)
 279   {
 280         GNUNET_break (0);
 281     end_now (1);
 282     return;
 283   }
 284   GAS_normalization_start (NULL, NULL);
 285   /* Load quotas */
 286   if (GNUNET_ATS_NetworkTypeCount != load_quotas (cfg, quotas_out, quotas_in,
 287                         GNUNET_ATS_NetworkTypeCount))
 288   {
 289         GNUNET_break (0);
 290       end_now (1);
 291       return;
 292   }
 293
 294   GNUNET_assert (N_peers_end >= N_peers_start);
 295   GNUNET_assert (N_address >= 0);
 296
 297   fprintf (stderr, "Solving problem for %u..%u peers with %u addresses\n",
 298                 N_peers_start, N_peers_end, N_address);
 299
 300   count_p = N_peers_end;
 301   count_a = N_address;
 302   peers = GNUNET_malloc ((count_p) * sizeof (struct PerfPeer));
 303   /* Setup address hashmap */
 304   addresses = GNUNET_CONTAINER_multihashmap_create (N_address, GNUNET_NO);
 305
 306   /* Init MLP solver */
 307   mlp  = GAS_mlp_init (cfg, stats, quotas, quotas_out, quotas_in,
 308                 GNUNET_ATS_NetworkTypeCount, &bandwidth_changed_cb, NULL, &get_preferences_cb, NULL);
 309   if (NULL == mlp)
 310   {
 311         GNUNET_break (0);
 312       end_now (1);
 313       return;
 314   }
 315   mlp->mlp_auto_solve = GNUNET_NO;
 316   mlp->write_mip_mps = opt_dump;
 317   mlp->write_mip_sol = opt_dump;
 318
 319         for (cp = 0; cp < count_p; cp++)
 320                         perf_create_peer (cp);
 321
 322         if (GNUNET_YES == opt_numeric)
 323                 fprintf (stderr, "#peers;#addresses per peer;LP/MIP state;presolv;exec build in ms;exec LP in ms; exec MIP in ms;#cols;#rows;#nonzero elements\n");
 324
 325         for (cp = 0; cp < count_p; cp++)
 326         {
 327                         for (ca = 0; ca < count_a; ca++)
 328                         {
 329                                         cur_addr = perf_create_address(cp, ca);
 330                                         /* add address */
 331                                         GAS_mlp_address_add (mlp, addresses, cur_addr, GNUNET_ATS_NET_UNSPECIFIED);
 332                                         address_initial_update (mlp, addresses, cur_addr);
 333                                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding address for peer %u address %u: \n", cp, ca);
 334                         }
 335                         GAS_mlp_get_preferred_address( mlp, addresses, &peers[cp].id);
 336                         /* solve */
 337                         if (cp + 1 >= N_peers_start)
 338                         {
 339                                 /* Solve the full problem */
 340                                 GAS_mlp_solve_problem (mlp, addresses);
 341                                 full_lp_res = mlp->ps.lp_res;
 342                                 full_mip_res = mlp->ps.mip_res;
 343                                 full_lp_presolv = mlp->ps.lp_presolv;
 344                                 full_mip_presolv = mlp->ps.mip_presolv;
 345                                 full_build_dur = mlp->ps.build_dur;
 346                                 full_lp_dur = mlp->ps.lp_dur;
 347                                 full_mip_dur = mlp->ps.mip_dur;
 348
 349                                 /* Update and solve the problem */
 350                                 if ((0 < opt_update_quantity) || (0 < opt_update_percent))
 351                                 {
 352                                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating problem with %u peers and %u addresses\n", cp + 1, ca);
 353                                         update_addresses (cp + 1, ca, opt_update_quantity);
 354                                         GAS_mlp_solve_problem (mlp, addresses);
 355                                         GAS_mlp_solve_problem (mlp, addresses);
 356                                         update_lp_res = mlp->ps.lp_res;
 357                                         update_mip_res = mlp->ps.mip_res;
 358                                         update_lp_presolv = mlp->ps.lp_presolv;
 359                                         update_mip_presolv = mlp->ps.mip_presolv;
 360                                         update_build_dur = mlp->ps.build_dur;
 361                                         update_lp_dur = mlp->ps.lp_dur;
 362                                         update_mip_dur = mlp->ps.mip_dur;
 363
 364                                 }
 365                                 if (GNUNET_NO == opt_numeric)
 366                                 {
 367                                 fprintf (stderr, "Rebuild: %03u peers each %02u addresses; rebuild: LP/MIP state [%3s/%3s] presolv [%3s/%3s], (build/LP/MIP in ms) %04llu / %04llu / %04llu\n",
 368                                                 cp + 1, ca,
 369                                                 (GNUNET_OK == full_lp_res) ? "OK" : "FAIL",
 370                                                 (GNUNET_OK == full_mip_res) ? "OK" : "FAIL",
 371                                                 (GLP_YES == full_lp_presolv) ? "YES" : "NO",
 372                                                 (GNUNET_OK == full_mip_presolv) ? "YES" : "NO",
 373                                                 (unsigned long long) full_build_dur.rel_value, (unsigned long long) full_lp_dur.rel_value, (unsigned long long) full_mip_dur.rel_value);
 374                                 if ((0 < opt_update_quantity) || (0 < opt_update_percent))
 375                                         fprintf (stderr, "Update : %03u peers each %02u addresses; rebuild: LP/MIP state [%3s/%3s] presolv [%3s/%3s], (build/LP/MIP in ms) %04llu / %04llu / %04llu\n",
 376                                                 cp + 1, ca,
 377                                                 (GNUNET_OK == update_lp_res) ? "OK" : "FAIL",
 378                                                 (GNUNET_OK == update_mip_res) ? "OK" : "FAIL",
 379                                                 (GLP_YES == update_lp_presolv) ? "YES" : "NO",
 380                                                 (GNUNET_OK == update_mip_presolv) ? "YES" : "NO",
 381                                                 (unsigned long long) update_build_dur.rel_value, (unsigned long long) update_lp_dur.rel_value, (unsigned long long) update_mip_dur.rel_value);
 382                                 }
 383                                 else
 384                                 {
 385                                                 fprintf (stderr, "Rebuild;%u;%u;%s;%s;%s;%s;%04llu;%04llu;%04llu\n",
 386                                                                 cp + 1, ca,
 387                                                                 (GNUNET_OK == full_lp_res) ? "OK" : "FAIL",
 388                                                                 (GNUNET_OK == full_mip_res) ? "OK" : "FAIL",
 389                                                                 (GLP_YES == full_lp_presolv) ? "YES" : "NO",
 390                                                                 (GNUNET_OK == full_mip_presolv) ? "YES" : "NO",
 391                                                                 (unsigned long long) full_build_dur.rel_value, (unsigned long long) full_lp_dur.rel_value, (unsigned long long) full_mip_dur.rel_value);
 392                                                 if ((0 < opt_update_quantity) || (0 < opt_update_percent))
 393                                                         fprintf (stderr, "Update;%u;%u;%s;%s;%s;%s;%04llu;%04llu;%04llu\n",
 394                                                                         cp + 1, ca,
 395                                                                         (GNUNET_OK == update_lp_res) ? "OK" : "FAIL",
 396                                                                         (GNUNET_OK == update_mip_res) ? "OK" : "FAIL",
 397                                                                         (GLP_YES == update_lp_presolv) ? "YES" : "NO",
 398                                                                         (GNUNET_OK == update_mip_presolv) ? "YES" : "NO",
 399                                                                         (unsigned long long) update_build_dur.rel_value, (unsigned long long) update_lp_dur.rel_value, (unsigned long long) update_mip_dur.rel_value);
 400                                 }
 401                         }
 402         }
 403
 404
 405         struct ATS_Address *cur;
 406         struct ATS_Address *next;
 407         for (cp = 0; cp < count_p; cp++)
 408         {
 409                         for (cur = peers[cp].head; cur != NULL; cur = next)
 410                         {
 411                                         GAS_mlp_address_delete (mlp, addresses, cur, GNUNET_NO);
 412                                         next = cur->next;
 413                                         GNUNET_CONTAINER_DLL_remove (peers[cp].head, peers[cp].tail, cur);
 414                                         GNUNET_free (cur);
 415                         }
 416
 417         }
 418         GNUNET_free (peers);
 419
 420 }
 421
 422
 423 int
 424 main (int argc, char *argv[])
 425 {
 426
 427   static char *const argv2[] = { "perf_ats_mlp",
 428     "-c",
 429     "test_ats_mlp.conf",
 430     "-L", "WARNING",
 431     NULL
 432   };
 433
 434   opt_dump = GNUNET_NO;
 435   opt_update_quantity = 0;
 436   opt_update_percent = 0;
 437
 438   N_peers_start = 0;
 439   N_peers_end = 0;
 440   N_address = 0;
 441   int c;
 442   for (c = 0; c < argc; c++)
 443   {
 444                 if ((0 == strcmp (argv[c], "-z")) && (c < (argc - 1)))
 445                 {
 446                                 if (0 != atoi(argv[c+1]))
 447                                 {
 448                                                 N_peers_start = atoi(argv[c+1]);
 449                                 }
 450                 }
 451                 if ((0 == strcmp (argv[c], "-x")) && (c < (argc - 1)))
 452                 {
 453                                 if (0 != atoi(argv[c+1]))
 454                                 {
 455                                                 N_peers_end = atoi(argv[c+1]);
 456                                 }
 457                 }
 458                 if ((0 == strcmp (argv[c], "-c")) && (c < (argc - 1)))
 459                 {
 460                                 if (0 != atoi(argv[c+1]))
 461                                 {
 462                                                 N_address = atoi(argv[c+1]);
 463                                 }
 464                 }
 465                 if ((0 == strcmp (argv[c], "-n")))
 466                 {
 467                                 opt_numeric = GNUNET_YES;
 468                 }
 469                 if ((0 == strcmp (argv[c], "-d")))
 470                 {
 471                                 opt_dump = GNUNET_YES;
 472                 }
 473                 if ((0 == strcmp (argv[c], "-p")) && (c < (argc - 1)))
 474                 {
 475                                 if (0 != atoi(argv[c+1]))
 476                                 {
 477                                         /* Update a fix "p"ercentage of addresses */
 478                                                 opt_update_percent = atoi(argv[c+1]);
 479                                                 if ((0 <= opt_update_percent) && (100 <= opt_update_percent))
 480                                                 {
 481                                                         fprintf (stderr, _("Percentage has to be: 0 <= p <= 100 "));
 482                                                         exit (1);
 483                                                 }
 484                                 }
 485                 }
 486                 if ((0 == strcmp (argv[c], "-q")) && (c < (argc - 1)))
 487                 {
 488                                 if (0 != atoi(argv[c+1]))
 489                                 {
 490                                         /* Update a fix "q"uantity of addresses */
 491                                                 opt_update_quantity = atoi(argv[c+1]);
 492                                                 if (0 >= opt_update_quantity)
 493                                                 {
 494                                                         fprintf (stderr, _("Quantity has to be:  p => 0 "));
 495                                                         exit (1);
 496                                                 }
 497                                 }
 498                 }
 499   }
 500
 501   if ((0 == N_peers_start) && (0 == N_peers_end))
 502   {
 503                 N_peers_start = PEERS_START;
 504                 N_peers_end = PEERS_END;
 505   }
 506   if (0 == N_address)
 507                 N_address = ADDRESSES;
 508
 509   if (opt_update_quantity > N_address)
 510   {
 511                 fprintf (stderr, _("Trying to update more addresses than we have per peer! (%u vs %u)"), opt_update_quantity, N_address);
 512                 exit (1);
 513   }
 514
 515   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
 516     GNUNET_GETOPT_OPTION_END
 517   };
 518
 519
 520   GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
 521                       "perf_ats_mlp", "nohelp", options,
 522                       &check, NULL);
 523
 524
 525   return ret;
 526 }
 527
 528 /* end of file perf_ats_mlp.c */