src/ats/test_ats_simplistic_pref_aging.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/test_ats_mlp.c
  22  * @brief test for the MLP solver
  23  * @author Christian Grothoff
  24  * @author Matthias Wachs
  25
  26  */
  27 /**
  28  * @file ats/test_ats_api_scheduling_add_address.c
  29  * @brief test for ats simplistic solver preference aging:
  30  *      Add 2 addresses and set high preference for one. Expect higher bw for this
  31  *      address, wait. Preferences should age and so bw assigned should decrease.
  32  * @author Christian Grothoff
  33  * @author Matthias Wachs
  34  */
  35 #include "platform.h"
  36 #include "gnunet_ats_service.h"
  37 #include "gnunet_testing_lib.h"
  38 #include "ats.h"
  39 #include "test_ats_api_common.h"
  40
  41 #define DEBUG_ATS_INFO GNUNET_NO
  42
  43 static GNUNET_SCHEDULER_TaskIdentifier die_task;
  44
  45 /**
  46  * Scheduling handle
  47  */
  48 static struct GNUNET_ATS_SchedulingHandle *sched_ats;
  49
  50 /**
  51  * Performance handle
  52  */
  53 static struct GNUNET_ATS_PerformanceHandle *perf_ats;
  54
  55 /**
  56  * Return value
  57  */
  58 static int ret;
  59
  60 /**
  61  * Test address
  62  */
  63 static struct Test_Address test_addr[2];
  64
  65 /**
  66  * Test peer
  67  */
  68 static struct PeerContext p[2];
  69
  70
  71 /**
  72  * HELLO address
  73  */
  74 struct GNUNET_HELLO_Address test_hello_address[2];
  75
  76 /**
  77  * Session
  78  */
  79 static void *test_session[2];
  80
  81 /**
  82  * Test ats info
  83  */
  84 struct GNUNET_ATS_Information test_ats_info[2];
  85
  86 /**
  87  * Test ats count
  88  */
  89 uint32_t test_ats_count;
  90
  91 /**
  92  * Configured WAN out quota
  93  */
  94 unsigned long long wan_quota_out;
  95
  96 /**
  97  * Configured WAN in quota
  98  */
  99 unsigned long long wan_quota_in;
 100
 101
 102 static void
 103 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 104 {
 105   die_task = GNUNET_SCHEDULER_NO_TASK;
 106
 107   if (sched_ats != NULL)
 108   {
 109     GNUNET_ATS_scheduling_done (sched_ats);
 110     sched_ats = NULL;
 111   }
 112   if (perf_ats != NULL)
 113   {
 114     GNUNET_ATS_performance_done (perf_ats);
 115     perf_ats = NULL;
 116   }
 117   free_test_address (&test_addr[0]);
 118   ret = GNUNET_SYSERR;
 119 }
 120
 121
 122 static void
 123 end ()
 124 {
 125   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutting down\n");
 126   if (die_task != GNUNET_SCHEDULER_NO_TASK)
 127   {
 128     GNUNET_SCHEDULER_cancel (die_task);
 129     die_task = GNUNET_SCHEDULER_NO_TASK;
 130   }
 131
 132   GNUNET_ATS_suggest_address_cancel (sched_ats, &p[0].id);
 133   GNUNET_ATS_suggest_address_cancel (sched_ats, &p[1].id);
 134
 135   if (NULL != sched_ats)
 136         GNUNET_ATS_scheduling_done (sched_ats);
 137   if (NULL != perf_ats)
 138   GNUNET_ATS_performance_done (perf_ats);
 139   sched_ats = NULL;
 140   perf_ats = NULL;
 141   free_test_address (&test_addr[0]);
 142   free_test_address (&test_addr[1]);
 143 }
 144
 145
 146 static void
 147 address_suggest_cb (void *cls, const struct GNUNET_HELLO_Address *address,
 148                     struct Session *session,
 149                     struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
 150                     struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
 151                     const struct GNUNET_ATS_Information *atsi,
 152                     uint32_t ats_count)
 153 {
 154   static int stage = 0;
 155   static int sug_p0 = GNUNET_NO;
 156   static int sug_p1 = GNUNET_NO;
 157
 158   static uint32_t p0_last_bandwidth_out;
 159   static uint32_t p0_last_bandwidth_in;
 160
 161   static uint32_t p1_last_bandwidth_out;
 162   static uint32_t p1_last_bandwidth_in;
 163
 164   uint32_t cur_bandwidth_out = ntohl (bandwidth_out.value__);
 165   uint32_t cur_bandwidth_in = ntohl (bandwidth_in.value__);
 166
 167   if (0 == stage)
 168   {
 169                 /* Callback for initial suggestion */
 170                 if (0 == memcmp (&address->peer, &p[0].id, sizeof (p[0].id)))
 171                 {
 172                                 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stage %u: Callback for peer 0 `%s': (in/out) %llu/%llu\n",
 173                                                 stage,
 174                                                 GNUNET_i2s (&address->peer),
 175                                                 ntohl (bandwidth_in.value__),
 176                                                 ntohl (bandwidth_out.value__));
 177                                 sug_p0 = GNUNET_YES;
 178                                 p0_last_bandwidth_out = ntohl(bandwidth_out.value__);
 179                                 p0_last_bandwidth_in = ntohl(bandwidth_in.value__);
 180                 }
 181                 if (0 == memcmp (&address->peer, &p[1].id, sizeof (p[1].id)))
 182                 {
 183                                 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stage %u: Callback for peer 1 `%s': (in/out) %llu/%llu\n",
 184                                                 stage,
 185                                                 GNUNET_i2s (&address->peer),
 186                                                 ntohl (bandwidth_in.value__),
 187                                                 ntohl (bandwidth_out.value__));
 188                                 sug_p1 = GNUNET_YES;
 189                                 p1_last_bandwidth_out = ntohl(bandwidth_out.value__);
 190                                 p1_last_bandwidth_in = ntohl(bandwidth_in.value__);
 191                 }
 192                 if ((GNUNET_YES == sug_p0) && (GNUNET_YES == sug_p1))
 193                 {
 194                   /* Changing preference for peer 0 */
 195                         stage ++;
 196                         GNUNET_ATS_change_preference (perf_ats, &p[0].id, GNUNET_ATS_PREFERENCE_BANDWIDTH,(double) 1000, GNUNET_ATS_PREFERENCE_END);
 197                                 sug_p0 = GNUNET_NO;
 198                                 sug_p1 = GNUNET_NO;
 199                         return;
 200                 }
 201
 202   }
 203   if (1 == stage)
 204   {
 205                 /* Callback due to preference change */
 206                 if (0 == memcmp (&address->peer, &p[0].id, sizeof (p[0].id)))
 207                 {
 208                                 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stage %u: Callback for peer 0 `%s': (in/out) %llu/%llu\n",
 209                                                 stage,
 210                                                 GNUNET_i2s (&address->peer),
 211                                                 ntohl (bandwidth_in.value__),
 212                                                 ntohl (bandwidth_out.value__));
 213                                 sug_p0 = GNUNET_YES;
 214
 215                                 /* Peer 0 should get more bandwidth */
 216                                 if (cur_bandwidth_out <= p0_last_bandwidth_out)
 217                                         GNUNET_break (0);
 218                                 if (cur_bandwidth_in <= p0_last_bandwidth_in)
 219                                         GNUNET_break (0);
 220                                 p0_last_bandwidth_out = ntohl(bandwidth_out.value__);
 221                                 p0_last_bandwidth_in = ntohl(bandwidth_in.value__);
 222                 }
 223                 if (0 == memcmp (&address->peer, &p[1].id, sizeof (p[1].id)))
 224                 {
 225                                 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stage %u: Callback for peer 1 `%s': (in/out) %llu/%llu\n",
 226                                                 stage,
 227                                                 GNUNET_i2s (&address->peer),
 228                                                 ntohl (bandwidth_in.value__),
 229                                                 ntohl (bandwidth_out.value__));
 230                                 sug_p1 = GNUNET_YES;
 231
 232                                 /* Peer 1 should get less bandwidth */
 233                                 if (cur_bandwidth_out >= p1_last_bandwidth_out)
 234                                 {
 235                                         GNUNET_break (0);
 236                                         goto error;
 237                                 }
 238                                 if (cur_bandwidth_in >= p1_last_bandwidth_in)
 239                                 {
 240                                         GNUNET_break (0);
 241                                         goto error;
 242                                 }
 243                                 p1_last_bandwidth_out = ntohl(bandwidth_out.value__);
 244                                 p1_last_bandwidth_in = ntohl(bandwidth_in.value__);
 245                 }
 246                 if ((GNUNET_YES == sug_p0) && (GNUNET_YES == sug_p1))
 247                 {
 248                         stage ++;
 249                                 sug_p0 = GNUNET_NO;
 250                                 sug_p1 = GNUNET_NO;
 251                         return;
 252                 }
 253   }
 254   if (2 == stage)
 255   {
 256                 /* Callback due to preference aging */
 257                 if (0 == memcmp (&address->peer, &p[0].id, sizeof (p[0].id)))
 258                 {
 259                                 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stage %u: Callback for peer 0 `%s': (in/out) %llu/%llu\n",
 260                                                 stage,
 261                                                 GNUNET_i2s (&address->peer),
 262                                                 ntohl (bandwidth_in.value__),
 263                                                 ntohl (bandwidth_out.value__));
 264                                 sug_p0 = GNUNET_YES;
 265
 266                                 /* Peer 0 should get less bandwidth */
 267                                 if (cur_bandwidth_out <= p0_last_bandwidth_out)
 268                                         GNUNET_break (0);
 269                                 if (cur_bandwidth_in <= p0_last_bandwidth_in)
 270                                         GNUNET_break (0);
 271                                 p0_last_bandwidth_out = ntohl(bandwidth_out.value__);
 272                                 p0_last_bandwidth_in = ntohl(bandwidth_in.value__);
 273                 }
 274                 if (0 == memcmp (&address->peer, &p[1].id, sizeof (p[1].id)))
 275                 {
 276                                 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stage %u: Callback for peer 1 `%s': (in/out) %llu/%llu\n",
 277                                                 stage,
 278                                                 GNUNET_i2s (&address->peer),
 279                                                 ntohl (bandwidth_in.value__),
 280                                                 ntohl (bandwidth_out.value__));
 281                                 sug_p1 = GNUNET_YES;
 282                                 /* Peer 1 should get more bandwidth */
 283                                 if (cur_bandwidth_out <= p1_last_bandwidth_out)
 284                                 {
 285                                         GNUNET_break (0);
 286                                         goto error;
 287                                 }
 288                                 if (cur_bandwidth_in <= p1_last_bandwidth_in)
 289                                 {
 290                                         GNUNET_break (0);
 291                                         goto error;
 292                                 }
 293                                 p0_last_bandwidth_out = ntohl(bandwidth_out.value__);
 294                                 p0_last_bandwidth_in = ntohl(bandwidth_in.value__);
 295                 }
 296
 297                 if ((GNUNET_YES == sug_p0) && (GNUNET_YES == sug_p1))
 298                 {
 299                         /* Done ! */
 300                         stage ++;
 301                         ret = 0;
 302         GNUNET_SCHEDULER_add_now (&end,NULL);
 303                         return;
 304                 }
 305   }
 306   return;
 307
 308 error:
 309         /* Error ! */
 310         ret = 1;
 311         GNUNET_SCHEDULER_add_now (&end,NULL);
 312 }
 313
 314 static void
 315 run (void *cls,
 316      const struct GNUNET_CONFIGURATION_Handle *cfg,
 317      struct GNUNET_TESTING_Peer *peer)
 318 {
 319   char *quota_str;
 320
 321   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_OUT", &quota_str))
 322   {
 323       fprintf (stderr, "Cannot load WAN outbound quota from configuration, exit!\n");
 324       ret = 1;
 325       return;
 326   }
 327   if  (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_str, &wan_quota_out))
 328   {
 329       fprintf (stderr, "Cannot load WAN outbound quota from configuration, exit!\n");
 330       ret = 1;
 331       GNUNET_free (quota_str);
 332       return;
 333   }
 334   GNUNET_free (quota_str);
 335   quota_str = NULL;
 336
 337   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_IN", &quota_str))
 338   {
 339       fprintf (stderr, "Cannot load WAN inbound quota from configuration, exit!\n");
 340       ret = 1;
 341       return;
 342   }
 343   if  (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_str, &wan_quota_in))
 344   {
 345       fprintf (stderr, "Cannot load WAN inbound quota from configuration, exit!\n");
 346       GNUNET_free (quota_str);
 347       ret = 1;
 348       return;
 349   }
 350   GNUNET_free (quota_str);
 351   quota_str = NULL;
 352   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Configured WAN inbound quota: %llu\n", wan_quota_in);
 353   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Configured WAN outbound quota: %llu\n", wan_quota_out);
 354
 355
 356   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 357
 358   /* Connect to ATS scheduling */
 359   sched_ats = GNUNET_ATS_scheduling_init (cfg, &address_suggest_cb, NULL);
 360   if (sched_ats == NULL)
 361   {
 362     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not connect to ATS scheduling!\n");
 363     ret = 1;
 364     end ();
 365     return;
 366   }
 367
 368   /* Connect to ATS performance */
 369   perf_ats = GNUNET_ATS_performance_init(cfg, NULL, NULL);
 370   if (sched_ats == NULL)
 371   {
 372     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not connect to ATS scheduling!\n");
 373     ret = 1;
 374     end ();
 375     return;
 376   }
 377
 378
 379   /* Set up peer 0 */
 380   if (GNUNET_SYSERR == GNUNET_CRYPTO_hash_from_string(PEERID0, &p[0].id.hashPubKey))
 381   {
 382       GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not setup peer!\n");
 383       ret = GNUNET_SYSERR;
 384       end ();
 385       return;
 386   }
 387
 388   GNUNET_assert (0 == strcmp (PEERID0, GNUNET_i2s_full (&p[0].id)));
 389
 390   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created peer `%s'\n",
 391               GNUNET_i2s(&p[0].id));
 392
 393   /* Set up peer 1*/
 394   if (GNUNET_SYSERR == GNUNET_CRYPTO_hash_from_string(PEERID1, &p[1].id.hashPubKey))
 395   {
 396       GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not setup peer!\n");
 397       ret = GNUNET_SYSERR;
 398       end ();
 399       return;
 400   }
 401
 402   GNUNET_assert (0 == strcmp (PEERID1, GNUNET_i2s_full (&p[1].id)));
 403
 404   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created peer `%s'\n",
 405               GNUNET_i2s(&p[1].id));
 406
 407   /* Prepare ATS Information */
 408   test_ats_info[0].type = htonl (GNUNET_ATS_NETWORK_TYPE);
 409   test_ats_info[0].value = htonl(GNUNET_ATS_NET_WAN);
 410   test_ats_info[1].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
 411   test_ats_info[1].value = htonl(1);
 412   test_ats_count = 2;
 413
 414   /* Peer 0: Adding address with session */
 415   test_session[0] = &test_addr[0];
 416   create_test_address (&test_addr[0], "test0", test_session[0], "test0", strlen ("test0") + 1);
 417   test_hello_address[0].peer = p[0].id;
 418   test_hello_address[0].transport_name = test_addr[0].plugin;
 419   test_hello_address[0].address = test_addr[0].addr;
 420   test_hello_address[0].address_length = test_addr[0].addr_len;
 421   GNUNET_ATS_address_add (sched_ats, &test_hello_address[0], test_session[0], test_ats_info, test_ats_count);
 422
 423   /* Peer 1: Adding address with session */
 424   test_session[1] = &test_addr[1];
 425   create_test_address (&test_addr[1], "test1", test_session[1], "test1", strlen ("test1") + 1);
 426   test_hello_address[1].peer = p[1].id;
 427   test_hello_address[1].transport_name = test_addr[1].plugin;
 428   test_hello_address[1].address = test_addr[1].addr;
 429   test_hello_address[1].address_length = test_addr[1].addr_len;
 430   GNUNET_ATS_address_add (sched_ats, &test_hello_address[1], test_session[1], test_ats_info, test_ats_count);
 431
 432   GNUNET_ATS_suggest_address (sched_ats, &p[0].id);
 433   GNUNET_ATS_suggest_address (sched_ats, &p[1].id);
 434 }
 435
 436
 437 int
 438 main (int argc, char *argv[])
 439 {
 440   if (0 != GNUNET_TESTING_peer_run ("test_ats_simplistic_pref_aging",
 441                                     "test_ats_api.conf",
 442                                     &run, NULL))
 443     return 1;
 444   return ret;
 445 }
 446
 447
 448 /* end of file test_ats_simplistic_pref_aging.c */