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 void
 145 normalized_property_changed_cb (void *cls,
 146                                                                                                                  const struct ATS_Address *peer,
 147                                                                                                                  uint32_t type,
 148                                                                                                                  double prop_rel)
 149 {
 150          /* TODO */
 151 }
 152
 153 const double *
 154 get_property_cb (void *cls, const struct ATS_Address *address)
 155 {
 156         return GAS_normalization_get_properties ((struct ATS_Address *) address);
 157 }
 158
 159
 160 static const double *
 161 get_preferences_cb (void *cls, const struct GNUNET_PeerIdentity *id)
 162 {
 163         return GAS_normalization_get_preferences (id);
 164 }
 165
 166
 167 static void
 168 perf_create_peer (int cp)
 169 {
 170         GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, &peers[cp].id.hashPubKey);
 171         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer #%u: %s \n", cp, GNUNET_i2s (&peers[cp].id));
 172 }
 173
 174 static struct ATS_Address *
 175 perf_create_address (int cp, int ca)
 176 {
 177         struct ATS_Address *a;
 178         a = create_address (&peers[cp].id, "Test 1", "test 1", strlen ("test 1") + 1, 0);
 179         GNUNET_CONTAINER_DLL_insert (peers[cp].head, peers[cp].tail, a);
 180         GNUNET_CONTAINER_multihashmap_put (addresses, &peers[cp].id.hashPubKey, a, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
 181         return a;
 182 }
 183
 184 static void
 185 address_initial_update (void *solver, struct GNUNET_CONTAINER_MultiHashMap * addresses, struct ATS_Address *address)
 186 {
 187         ats[0].type = htonl (GNUNET_ATS_QUALITY_NET_DELAY);
 188         ats[0].value = htonl (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 100));
 189
 190         ats[1].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
 191         ats[1].value = htonl (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 10));
 192
 193         GAS_mlp_address_update (mlp, address, 0, GNUNET_YES, ats, 2);
 194 }
 195
 196
 197 static void
 198 update_single_addresses (struct ATS_Address *cur)
 199 {
 200         int r_type;
 201         int r_val;
 202
 203         r_type = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2);
 204         switch (r_type) {
 205                 case 0:
 206                         r_val = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 100);
 207                         ats[0].type = htonl (GNUNET_ATS_QUALITY_NET_DELAY);
 208                         ats[0].value = htonl (r_val);
 209                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating peer `%s' address %p type %s val %u\n",
 210                                         GNUNET_i2s (&cur->peer), cur,
 211                                         "GNUNET_ATS_QUALITY_NET_DELAY", r_val);
 212                         break;
 213                 case 1:
 214                         r_val = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 10);
 215                         ats[0].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
 216                         ats[0].value = htonl (r_val);
 217                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating peer `%s' address %p type %s val %u\n",
 218                                         GNUNET_i2s (&cur->peer), cur,
 219                                         "GNUNET_ATS_QUALITY_NET_DISTANCE", r_val);
 220                         break;
 221                 default:
 222                         break;
 223         }
 224         GAS_mlp_address_update (mlp, cur, 0, GNUNET_YES, ats, 1);
 225 }
 226
 227 static void
 228 update_addresses (unsigned int cp, unsigned int ca, unsigned int up_q)
 229 {
 230         struct ATS_Address *cur;
 231         int c_peer;
 232         int c_select;
 233         int c_addr;
 234         int r;
 235
 236         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating addresses %u addresses per peer \n", up_q);
 237         unsigned int m [ca];
 238
 239         for (c_peer = 0; c_peer < cp; c_peer++)
 240         {
 241                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating peer `%s'\n", GNUNET_i2s (&peers[c_peer].id));
 242                         for (c_select = 0; c_select < ca; c_select++)
 243                                 m[c_select] = 0;
 244                         c_select = 0;
 245                         while (c_select < opt_update_quantity)
 246                         {
 247                                         r = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, ca);
 248                                         if (0 == m[r])
 249                                         {
 250                                                 m[r] = 1;
 251                                                 c_select++;
 252                                         }
 253                         }
 254
 255                         c_addr = 0;
 256                         for (cur = peers[c_peer].head; NULL != cur; cur = cur->next)
 257                         {
 258                                         if (1 == m[c_addr])
 259                                                         update_single_addresses (cur);
 260                                         c_addr ++;
 261                         }
 262         }
 263 }
 264
 265
 266 static void
 267 check (void *cls, char *const *args, const char *cfgfile,
 268        const struct GNUNET_CONFIGURATION_Handle *cfg)
 269 {
 270   int quotas[GNUNET_ATS_NetworkTypeCount] = GNUNET_ATS_NetworkType;
 271   unsigned long long  quotas_in[GNUNET_ATS_NetworkTypeCount];
 272   unsigned long long  quotas_out[GNUNET_ATS_NetworkTypeCount];
 273         int cp;
 274         int ca;
 275         struct ATS_Address * cur_addr;
 276
 277         int full_lp_res;
 278         int full_mip_res;
 279         int full_lp_presolv;
 280         int full_mip_presolv;
 281         struct GNUNET_TIME_Relative full_build_dur;
 282         struct GNUNET_TIME_Relative full_lp_dur;
 283         struct GNUNET_TIME_Relative full_mip_dur;
 284
 285         int update_lp_res;
 286         int update_mip_res;
 287         int update_lp_presolv;
 288         int update_mip_presolv;
 289         struct GNUNET_TIME_Relative update_build_dur;
 290         struct GNUNET_TIME_Relative update_lp_dur;
 291         struct GNUNET_TIME_Relative update_mip_dur;
 292
 293   stats = GNUNET_STATISTICS_create("ats", cfg);
 294   if (NULL == stats)
 295   {
 296         GNUNET_break (0);
 297     end_now (1);
 298     return;
 299   }
 300   GAS_normalization_start (NULL, NULL, &normalized_property_changed_cb, NULL);
 301   /* Load quotas */
 302   if (GNUNET_ATS_NetworkTypeCount != load_quotas (cfg, quotas_out, quotas_in,
 303                         GNUNET_ATS_NetworkTypeCount))
 304   {
 305         GNUNET_break (0);
 306       end_now (1);
 307       return;
 308   }
 309
 310   GNUNET_assert (N_peers_end >= N_peers_start);
 311   GNUNET_assert (N_address >= 0);
 312
 313   fprintf (stderr, "Solving problem for %u..%u peers with %u addresses\n",
 314                 N_peers_start, N_peers_end, N_address);
 315
 316   count_p = N_peers_end;
 317   count_a = N_address;
 318   peers = GNUNET_malloc ((count_p) * sizeof (struct PerfPeer));
 319   /* Setup address hashmap */
 320   addresses = GNUNET_CONTAINER_multihashmap_create (N_address, GNUNET_NO);
 321
 322   /* Init MLP solver */
 323   mlp  = GAS_mlp_init (cfg, stats, addresses,
 324                 quotas, quotas_out, quotas_in,
 325                 GNUNET_ATS_NetworkTypeCount, &bandwidth_changed_cb, NULL,
 326                 &get_preferences_cb, NULL,
 327                 &get_property_cb, NULL);
 328   if (NULL == mlp)
 329   {
 330         GNUNET_break (0);
 331       end_now (1);
 332       return;
 333   }
 334   mlp->mlp_auto_solve = GNUNET_NO;
 335   mlp->write_mip_mps = opt_dump;
 336   mlp->write_mip_sol = opt_dump;
 337
 338         for (cp = 0; cp < count_p; cp++)
 339                         perf_create_peer (cp);
 340
 341         if (GNUNET_YES == opt_numeric)
 342                 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");
 343
 344         for (cp = 0; cp < count_p; cp++)
 345         {
 346                         for (ca = 0; ca < count_a; ca++)
 347                         {
 348                                         cur_addr = perf_create_address(cp, ca);
 349                                         /* add address */
 350                                         GAS_mlp_address_add (mlp, cur_addr, GNUNET_ATS_NET_UNSPECIFIED);
 351                                         address_initial_update (mlp, addresses, cur_addr);
 352                                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding address for peer %u address %u: \n", cp, ca);
 353                         }
 354                         GAS_mlp_get_preferred_address( mlp, &peers[cp].id);
 355                         /* solve */
 356                         if (cp + 1 >= N_peers_start)
 357                         {
 358                                 /* Solve the full problem */
 359                                 GAS_mlp_solve_problem (mlp);
 360                                 full_lp_res = mlp->ps.lp_res;
 361                                 full_mip_res = mlp->ps.mip_res;
 362                                 full_lp_presolv = mlp->ps.lp_presolv;
 363                                 full_mip_presolv = mlp->ps.mip_presolv;
 364                                 full_build_dur = mlp->ps.build_dur;
 365                                 full_lp_dur = mlp->ps.lp_dur;
 366                                 full_mip_dur = mlp->ps.mip_dur;
 367
 368                                 /* Update and solve the problem */
 369                                 if ((0 < opt_update_quantity) || (0 < opt_update_percent))
 370                                 {
 371                                         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating problem with %u peers and %u addresses\n", cp + 1, ca);
 372                                         update_addresses (cp + 1, ca, opt_update_quantity);
 373                                         GAS_mlp_solve_problem (mlp);
 374                                         GAS_mlp_solve_problem (mlp);
 375                                         update_lp_res = mlp->ps.lp_res;
 376                                         update_mip_res = mlp->ps.mip_res;
 377                                         update_lp_presolv = mlp->ps.lp_presolv;
 378                                         update_mip_presolv = mlp->ps.mip_presolv;
 379                                         update_build_dur = mlp->ps.build_dur;
 380                                         update_lp_dur = mlp->ps.lp_dur;
 381                                         update_mip_dur = mlp->ps.mip_dur;
 382
 383                                 }
 384                                 if (GNUNET_NO == opt_numeric)
 385                                 {
 386                                 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",
 387                                                 cp + 1, ca,
 388                                                 (GNUNET_OK == full_lp_res) ? "OK" : "FAIL",
 389                                                 (GNUNET_OK == full_mip_res) ? "OK" : "FAIL",
 390                                                 (GLP_YES == full_lp_presolv) ? "YES" : "NO",
 391                                                 (GNUNET_OK == full_mip_presolv) ? "YES" : "NO",
 392                                                 (unsigned long long) full_build_dur.rel_value, (unsigned long long) full_lp_dur.rel_value, (unsigned long long) full_mip_dur.rel_value);
 393                                 if ((0 < opt_update_quantity) || (0 < opt_update_percent))
 394                                         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",
 395                                                 cp + 1, ca,
 396                                                 (GNUNET_OK == update_lp_res) ? "OK" : "FAIL",
 397                                                 (GNUNET_OK == update_mip_res) ? "OK" : "FAIL",
 398                                                 (GLP_YES == update_lp_presolv) ? "YES" : "NO",
 399                                                 (GNUNET_OK == update_mip_presolv) ? "YES" : "NO",
 400                                                 (unsigned long long) update_build_dur.rel_value, (unsigned long long) update_lp_dur.rel_value, (unsigned long long) update_mip_dur.rel_value);
 401                                 }
 402                                 else
 403                                 {
 404                                                 fprintf (stderr, "Rebuild;%u;%u;%s;%s;%s;%s;%04llu;%04llu;%04llu\n",
 405                                                                 cp + 1, ca,
 406                                                                 (GNUNET_OK == full_lp_res) ? "OK" : "FAIL",
 407                                                                 (GNUNET_OK == full_mip_res) ? "OK" : "FAIL",
 408                                                                 (GLP_YES == full_lp_presolv) ? "YES" : "NO",
 409                                                                 (GNUNET_OK == full_mip_presolv) ? "YES" : "NO",
 410                                                                 (unsigned long long) full_build_dur.rel_value, (unsigned long long) full_lp_dur.rel_value, (unsigned long long) full_mip_dur.rel_value);
 411                                                 if ((0 < opt_update_quantity) || (0 < opt_update_percent))
 412                                                         fprintf (stderr, "Update;%u;%u;%s;%s;%s;%s;%04llu;%04llu;%04llu\n",
 413                                                                         cp + 1, ca,
 414                                                                         (GNUNET_OK == update_lp_res) ? "OK" : "FAIL",
 415                                                                         (GNUNET_OK == update_mip_res) ? "OK" : "FAIL",
 416                                                                         (GLP_YES == update_lp_presolv) ? "YES" : "NO",
 417                                                                         (GNUNET_OK == update_mip_presolv) ? "YES" : "NO",
 418                                                                         (unsigned long long) update_build_dur.rel_value, (unsigned long long) update_lp_dur.rel_value, (unsigned long long) update_mip_dur.rel_value);
 419                                 }
 420                         }
 421         }
 422
 423
 424         struct ATS_Address *cur;
 425         struct ATS_Address *next;
 426         for (cp = 0; cp < count_p; cp++)
 427         {
 428                         for (cur = peers[cp].head; cur != NULL; cur = next)
 429                         {
 430                                         GAS_mlp_address_delete (mlp, cur, GNUNET_NO);
 431                                         next = cur->next;
 432                                         GNUNET_CONTAINER_DLL_remove (peers[cp].head, peers[cp].tail, cur);
 433                                         GNUNET_free (cur);
 434                         }
 435
 436         }
 437         GNUNET_free (peers);
 438
 439 }
 440
 441
 442 int
 443 main (int argc, char *argv[])
 444 {
 445
 446   static char *const argv2[] = { "perf_ats_mlp",
 447     "-c",
 448     "test_ats_mlp.conf",
 449     "-L", "WARNING",
 450     NULL
 451   };
 452
 453   opt_dump = GNUNET_NO;
 454   opt_update_quantity = 0;
 455   opt_update_percent = 0;
 456
 457   N_peers_start = 0;
 458   N_peers_end = 0;
 459   N_address = 0;
 460   int c;
 461   for (c = 0; c < argc; c++)
 462   {
 463                 if ((0 == strcmp (argv[c], "-z")) && (c < (argc - 1)))
 464                 {
 465                                 if (0 != atoi(argv[c+1]))
 466                                 {
 467                                                 N_peers_start = atoi(argv[c+1]);
 468                                 }
 469                 }
 470                 if ((0 == strcmp (argv[c], "-x")) && (c < (argc - 1)))
 471                 {
 472                                 if (0 != atoi(argv[c+1]))
 473                                 {
 474                                                 N_peers_end = atoi(argv[c+1]);
 475                                 }
 476                 }
 477                 if ((0 == strcmp (argv[c], "-c")) && (c < (argc - 1)))
 478                 {
 479                                 if (0 != atoi(argv[c+1]))
 480                                 {
 481                                                 N_address = atoi(argv[c+1]);
 482                                 }
 483                 }
 484                 if ((0 == strcmp (argv[c], "-n")))
 485                 {
 486                                 opt_numeric = GNUNET_YES;
 487                 }
 488                 if ((0 == strcmp (argv[c], "-d")))
 489                 {
 490                                 opt_dump = GNUNET_YES;
 491                 }
 492                 if ((0 == strcmp (argv[c], "-p")) && (c < (argc - 1)))
 493                 {
 494                                 if (0 != atoi(argv[c+1]))
 495                                 {
 496                                         /* Update a fix "p"ercentage of addresses */
 497                                                 opt_update_percent = atoi(argv[c+1]);
 498                                                 if ((0 <= opt_update_percent) && (100 <= opt_update_percent))
 499                                                 {
 500                                                         fprintf (stderr, _("Percentage has to be: 0 <= p <= 100 "));
 501                                                         exit (1);
 502                                                 }
 503                                 }
 504                 }
 505                 if ((0 == strcmp (argv[c], "-q")) && (c < (argc - 1)))
 506                 {
 507                                 if (0 != atoi(argv[c+1]))
 508                                 {
 509                                         /* Update a fix "q"uantity of addresses */
 510                                                 opt_update_quantity = atoi(argv[c+1]);
 511                                                 if (0 >= opt_update_quantity)
 512                                                 {
 513                                                         fprintf (stderr, _("Quantity has to be:  p => 0 "));
 514                                                         exit (1);
 515                                                 }
 516                                 }
 517                 }
 518   }
 519
 520   if ((0 == N_peers_start) && (0 == N_peers_end))
 521   {
 522                 N_peers_start = PEERS_START;
 523                 N_peers_end = PEERS_END;
 524   }
 525   if (0 == N_address)
 526                 N_address = ADDRESSES;
 527
 528   if (opt_update_quantity > N_address)
 529   {
 530                 fprintf (stderr, _("Trying to update more addresses than we have per peer! (%u vs %u)"), opt_update_quantity, N_address);
 531                 exit (1);
 532   }
 533
 534   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
 535     GNUNET_GETOPT_OPTION_END
 536   };
 537
 538
 539   GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
 540                       "perf_ats_mlp", "nohelp", options,
 541                       &check, NULL);
 542
 543
 544   return ret;
 545 }
 546
 547 /* end of file perf_ats_mlp.c */