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