src/rps/gnunet-rps-profiler.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2009, 2012 GNUnet e.V.
   4
   5      GNUnet is free software: you can redistribute it and/or modify it
   6      under the terms of the GNU Affero General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your 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      Affero General Public License for more details.
  14
  15      You should have received a copy of the GNU Affero General Public License
  16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18      SPDX-License-Identifier: AGPL3.0-or-later
  19  */
  20 /**
  21  * @file rps/test_rps.c
  22  * @brief Testcase for the random peer sampling service.  Starts
  23  *        a peergroup with a given number of peers, then waits to
  24  *        receive size pushes/pulls from each peer.  Expects to wait
  25  *        for one message from each peer.
  26  */
  27 #include "platform.h"
  28 //#include "rps_test_lib.h"
  29 #include "gnunet_util_lib.h"
  30 #include "gnunet_testbed_service.h"
  31
  32 #include "gnunet_rps_service.h"
  33 #include "rps-test_util.h"
  34 #include "gnunet-service-rps_sampler_elem.h"
  35
  36 #include <inttypes.h>
  37
  38
  39 #define BIT(n) (1 << (n))
  40
  41 /**
  42  * How many peers do we start?
  43  */
  44 static uint32_t num_peers;
  45
  46 /**
  47  * @brief numer of bits required to represent the largest peer id
  48  */
  49 static unsigned bits_needed;
  50
  51 /**
  52  * How long do we run the test?
  53  */
  54 static struct GNUNET_TIME_Relative duration;
  55
  56 /**
  57  * When do we do a hard shutdown?
  58  */
  59 static struct GNUNET_TIME_Relative timeout;
  60
  61
  62 /**
  63  * Portion of malicious peers
  64  */
  65 static double portion = .1;
  66
  67 /**
  68  * Type of malicious peer to test
  69  */
  70 static unsigned int mal_type = 0;
  71
  72 /**
  73  * Handles to all of the running peers
  74  */
  75 static struct GNUNET_TESTBED_Peer **testbed_peers;
  76
  77 enum STAT_TYPE {
  78   STAT_TYPE_ROUNDS,                   /*   0 */
  79   STAT_TYPE_BLOCKS,                   /*   1 */
  80   STAT_TYPE_BLOCKS_MANY_PUSH,         /*   2 */
  81   STAT_TYPE_BLOCKS_NO_PUSH,           /*   3 */
  82   STAT_TYPE_BLOCKS_NO_PULL,           /*   4 */
  83   STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL, /*   5 */
  84   STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL,   /*   6 */
  85   STAT_TYPE_ISSUED_PUSH_SEND,         /*   7 */
  86   STAT_TYPE_ISSUED_PUSH_SEND_MH,      /*   8 */
  87   STAT_TYPE_ISSUED_PULL_REQ,          /*   9 */
  88   STAT_TYPE_ISSUED_PULL_REQ_MH,       /*  10 */
  89   STAT_TYPE_ISSUED_PULL_REP,          /*  11 */
  90   STAT_TYPE_SENT_PUSH_SEND,           /*  12 */
  91   STAT_TYPE_SENT_PULL_REQ,            /*  13 */
  92   STAT_TYPE_SENT_PULL_REQ_MH,         /*  14 */
  93   STAT_TYPE_SENT_PULL_REP,            /*  15 */
  94   STAT_TYPE_RECV_PUSH_SEND,           /*  16 */
  95   STAT_TYPE_RECV_PUSH_SEND_MH,        /*  17 */
  96   STAT_TYPE_RECV_PULL_REQ,            /*  18 */
  97   STAT_TYPE_RECV_PULL_REQ_MH,         /*  19 */
  98   STAT_TYPE_RECV_PULL_REP,            /*  20 */
  99   STAT_TYPE_RECV_PULL_REP_MH,         /*  21 */
 100   STAT_TYPE_VIEW_SIZE,                /*  22 */
 101   STAT_TYPE_KNOWN_PEERS,              /*  23 */
 102   STAT_TYPE_VALID_PEERS,              /*  24 */
 103   STAT_TYPE_LEARND_PEERS,             /*  25 */
 104   STAT_TYPE_PENDING_ONLINE_CHECKS,    /*  26 */
 105   STAT_TYPE_UNREQUESTED_PULL_REPLIES, /*  27 */
 106   STAT_TYPE_PEERS_IN_PUSH_MAP,        /*  28 */
 107   STAT_TYPE_PEERS_IN_PULL_MAP,        /*  29 */
 108   STAT_TYPE_PEERS_IN_VIEW,            /*  30 */
 109   STAT_TYPE_VIEW_SIZE_AIM,            /*  31 */
 110   STAT_TYPE_MAX,                      /*  32 */
 111 };
 112
 113 static char* stat_type_strings[] = {
 114   "# rounds",
 115   "# rounds blocked",
 116   "# rounds blocked - too many pushes",
 117   "# rounds blocked - no pushes",
 118   "# rounds blocked - no pull replies",
 119   "# rounds blocked - too many pushes, no pull replies",
 120   "# rounds blocked - no pushes, no pull replies",
 121   "# push send issued",
 122   "# push send issued (multi-hop peer)",
 123   "# pull request send issued",
 124   "# pull request send issued (multi-hop peer)",
 125   "# pull reply send issued",
 126   "# pushes sent",
 127   "# pull requests sent",
 128   "# pull requests sent (multi-hop peer)",
 129   "# pull replys sent",
 130   "# push message received",
 131   "# push message received (multi-hop peer)",
 132   "# pull request message received",
 133   "# pull request message received (multi-hop peer)",
 134   "# pull reply messages received",
 135   "# pull reply messages received (multi-hop peer)",
 136   "view size",
 137   "# known peers",
 138   "# valid peers",
 139   "# learnd peers",
 140   "# pending online checks",
 141   "# unrequested pull replies",
 142   "# peers in push map at end of round",
 143   "# peers in pull map at end of round",
 144   "# peers in view at end of round",
 145   "view size aim",
 146 };
 147
 148 struct STATcls {
 149   struct RPSPeer *rps_peer;
 150   enum STAT_TYPE stat_type;
 151 };
 152
 153
 154 /**
 155  * @brief Converts string representation to the corresponding #STAT_TYPE enum.
 156  *
 157  * @param stat_str string representation of statistics specifier
 158  *
 159  * @return corresponding enum
 160  */
 161 enum STAT_TYPE stat_str_2_type(const char *stat_str)
 162 {
 163   if (0 == strncmp(stat_type_strings[STAT_TYPE_BLOCKS_NO_PULL],
 164                    stat_str,
 165                    strlen(stat_type_strings[STAT_TYPE_BLOCKS_NO_PULL])))
 166     {
 167       return STAT_TYPE_BLOCKS_NO_PULL;
 168     }
 169   else if (0 == strncmp(stat_type_strings[STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL],
 170                         stat_str,
 171                         strlen(stat_type_strings[STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL])))
 172     {
 173       return STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL;
 174     }
 175   else if (0 == strncmp(stat_type_strings[STAT_TYPE_BLOCKS_MANY_PUSH],
 176                         stat_str,
 177                         strlen(stat_type_strings[STAT_TYPE_BLOCKS_MANY_PUSH])))
 178     {
 179       return STAT_TYPE_BLOCKS_MANY_PUSH;
 180     }
 181   else if (0 == strncmp(stat_type_strings[STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL],
 182                         stat_str,
 183                         strlen(stat_type_strings[STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL])))
 184     {
 185       return STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL;
 186     }
 187   else if (0 == strncmp(stat_type_strings[STAT_TYPE_BLOCKS_NO_PUSH],
 188                         stat_str,
 189                         strlen(stat_type_strings[STAT_TYPE_BLOCKS_NO_PUSH])))
 190     {
 191       return STAT_TYPE_BLOCKS_NO_PUSH;
 192     }
 193   else if (0 == strncmp(stat_type_strings[STAT_TYPE_BLOCKS],
 194                         stat_str,
 195                         strlen(stat_type_strings[STAT_TYPE_BLOCKS])))
 196     {
 197       return STAT_TYPE_BLOCKS;
 198     }
 199   else if (0 == strncmp(stat_type_strings[STAT_TYPE_ROUNDS],
 200                         stat_str,
 201                         strlen(stat_type_strings[STAT_TYPE_ROUNDS])))
 202     {
 203       return STAT_TYPE_ROUNDS;
 204     }
 205   else if (0 == strncmp(stat_type_strings[STAT_TYPE_ISSUED_PUSH_SEND],
 206                         stat_str,
 207                         strlen(stat_type_strings[STAT_TYPE_ISSUED_PUSH_SEND])))
 208     {
 209       return STAT_TYPE_ISSUED_PUSH_SEND;
 210     }
 211   else if (0 == strncmp(stat_type_strings[STAT_TYPE_ISSUED_PUSH_SEND_MH],
 212                         stat_str,
 213                         strlen(stat_type_strings[STAT_TYPE_ISSUED_PUSH_SEND_MH])))
 214     {
 215       return STAT_TYPE_ISSUED_PUSH_SEND_MH;
 216     }
 217   else if (0 == strncmp(stat_type_strings[STAT_TYPE_ISSUED_PULL_REQ],
 218                         stat_str,
 219                         strlen(stat_type_strings[STAT_TYPE_ISSUED_PULL_REQ])))
 220     {
 221       return STAT_TYPE_ISSUED_PULL_REQ;
 222     }
 223   else if (0 == strncmp(stat_type_strings[STAT_TYPE_ISSUED_PULL_REQ_MH],
 224                         stat_str,
 225                         strlen(stat_type_strings[STAT_TYPE_ISSUED_PULL_REQ_MH])))
 226     {
 227       return STAT_TYPE_ISSUED_PULL_REQ_MH;
 228     }
 229   else if (0 == strncmp(stat_type_strings[STAT_TYPE_ISSUED_PULL_REP],
 230                         stat_str,
 231                         strlen(stat_type_strings[STAT_TYPE_ISSUED_PULL_REP])))
 232     {
 233       return STAT_TYPE_ISSUED_PULL_REP;
 234     }
 235   else if (0 == strncmp(stat_type_strings[STAT_TYPE_SENT_PUSH_SEND],
 236                         stat_str,
 237                         strlen(stat_type_strings[STAT_TYPE_SENT_PUSH_SEND])))
 238     {
 239       return STAT_TYPE_SENT_PUSH_SEND;
 240     }
 241   else if (0 == strncmp(stat_type_strings[STAT_TYPE_SENT_PULL_REQ],
 242                         stat_str,
 243                         strlen(stat_type_strings[STAT_TYPE_SENT_PULL_REQ])))
 244     {
 245       return STAT_TYPE_SENT_PULL_REQ;
 246     }
 247   else if (0 == strncmp(stat_type_strings[STAT_TYPE_SENT_PULL_REQ_MH],
 248                         stat_str,
 249                         strlen(stat_type_strings[STAT_TYPE_SENT_PULL_REQ_MH])))
 250     {
 251       return STAT_TYPE_SENT_PULL_REQ_MH;
 252     }
 253   else if (0 == strncmp(stat_type_strings[STAT_TYPE_SENT_PULL_REP],
 254                         stat_str,
 255                         strlen(stat_type_strings[STAT_TYPE_SENT_PULL_REP])))
 256     {
 257       return STAT_TYPE_SENT_PULL_REP;
 258     }
 259   else if (0 == strncmp(stat_type_strings[STAT_TYPE_RECV_PUSH_SEND],
 260                         stat_str,
 261                         strlen(stat_type_strings[STAT_TYPE_RECV_PUSH_SEND])))
 262     {
 263       return STAT_TYPE_RECV_PUSH_SEND;
 264     }
 265   else if (0 == strncmp(stat_type_strings[STAT_TYPE_RECV_PUSH_SEND_MH],
 266                         stat_str,
 267                         strlen(stat_type_strings[STAT_TYPE_RECV_PUSH_SEND_MH])))
 268     {
 269       return STAT_TYPE_RECV_PUSH_SEND_MH;
 270     }
 271   else if (0 == strncmp(stat_type_strings[STAT_TYPE_RECV_PULL_REQ],
 272                         stat_str,
 273                         strlen(stat_type_strings[STAT_TYPE_RECV_PULL_REQ])))
 274     {
 275       return STAT_TYPE_RECV_PULL_REQ;
 276     }
 277   else if (0 == strncmp(stat_type_strings[STAT_TYPE_RECV_PULL_REQ_MH],
 278                         stat_str,
 279                         strlen(stat_type_strings[STAT_TYPE_RECV_PULL_REQ_MH])))
 280     {
 281       return STAT_TYPE_RECV_PULL_REQ_MH;
 282     }
 283   else if (0 == strncmp(stat_type_strings[STAT_TYPE_RECV_PULL_REP],
 284                         stat_str,
 285                         strlen(stat_type_strings[STAT_TYPE_RECV_PULL_REP])))
 286     {
 287       return STAT_TYPE_RECV_PULL_REP;
 288     }
 289   else if (0 == strncmp(stat_type_strings[STAT_TYPE_RECV_PULL_REP_MH],
 290                         stat_str,
 291                         strlen(stat_type_strings[STAT_TYPE_RECV_PULL_REP_MH])))
 292     {
 293       return STAT_TYPE_RECV_PULL_REP_MH;
 294     }
 295   else if (0 == strncmp(stat_type_strings[STAT_TYPE_VIEW_SIZE],
 296                         stat_str,
 297                         strlen(stat_type_strings[STAT_TYPE_VIEW_SIZE])))
 298     {
 299       return STAT_TYPE_VIEW_SIZE;
 300     }
 301   else if (0 == strncmp(stat_type_strings[STAT_TYPE_KNOWN_PEERS],
 302                         stat_str,
 303                         strlen(stat_type_strings[STAT_TYPE_KNOWN_PEERS])))
 304     {
 305       return STAT_TYPE_KNOWN_PEERS;
 306     }
 307   else if (0 == strncmp(stat_type_strings[STAT_TYPE_VALID_PEERS],
 308                         stat_str,
 309                         strlen(stat_type_strings[STAT_TYPE_VALID_PEERS])))
 310     {
 311       return STAT_TYPE_VALID_PEERS;
 312     }
 313   else if (0 == strncmp(stat_type_strings[STAT_TYPE_LEARND_PEERS],
 314                         stat_str,
 315                         strlen(stat_type_strings[STAT_TYPE_LEARND_PEERS])))
 316     {
 317       return STAT_TYPE_LEARND_PEERS;
 318     }
 319   else if (0 == strncmp(stat_type_strings[STAT_TYPE_PENDING_ONLINE_CHECKS],
 320                         stat_str,
 321                         strlen(stat_type_strings[STAT_TYPE_PENDING_ONLINE_CHECKS])))
 322     {
 323       return STAT_TYPE_PENDING_ONLINE_CHECKS;
 324     }
 325   else if (0 == strncmp(stat_type_strings[STAT_TYPE_UNREQUESTED_PULL_REPLIES],
 326                         stat_str,
 327                         strlen(stat_type_strings[STAT_TYPE_UNREQUESTED_PULL_REPLIES])))
 328     {
 329       return STAT_TYPE_UNREQUESTED_PULL_REPLIES;
 330     }
 331   else if (0 == strncmp(stat_type_strings[STAT_TYPE_PEERS_IN_PUSH_MAP],
 332                         stat_str,
 333                         strlen(stat_type_strings[STAT_TYPE_PEERS_IN_PUSH_MAP])))
 334     {
 335       return STAT_TYPE_PEERS_IN_PUSH_MAP;
 336     }
 337   else if (0 == strncmp(stat_type_strings[STAT_TYPE_PEERS_IN_PULL_MAP],
 338                         stat_str,
 339                         strlen(stat_type_strings[STAT_TYPE_PEERS_IN_PULL_MAP])))
 340     {
 341       return STAT_TYPE_PEERS_IN_PULL_MAP;
 342     }
 343   else if (0 == strncmp(stat_type_strings[STAT_TYPE_PEERS_IN_VIEW],
 344                         stat_str,
 345                         strlen(stat_type_strings[STAT_TYPE_PEERS_IN_VIEW])))
 346     {
 347       return STAT_TYPE_PEERS_IN_VIEW;
 348     }
 349   else if (0 == strncmp(stat_type_strings[STAT_TYPE_VIEW_SIZE_AIM],
 350                         stat_str,
 351                         strlen(stat_type_strings[STAT_TYPE_VIEW_SIZE_AIM])))
 352     {
 353       return STAT_TYPE_VIEW_SIZE_AIM;
 354     }
 355   return STAT_TYPE_MAX;
 356 }
 357
 358
 359 /**
 360  * @brief Indicates whether peer should go off- or online
 361  */
 362 enum PEER_ONLINE_DELTA {
 363   /**
 364    * @brief Indicates peer going online
 365    */
 366   PEER_GO_ONLINE = 1,
 367   /**
 368    * @brief Indicates peer going offline
 369    */
 370   PEER_GO_OFFLINE = -1,
 371 };
 372
 373 /**
 374  * Operation map entry
 375  */
 376 struct OpListEntry {
 377   /**
 378    * DLL next ptr
 379    */
 380   struct OpListEntry *next;
 381
 382   /**
 383    * DLL prev ptr
 384    */
 385   struct OpListEntry *prev;
 386
 387   /**
 388    * The testbed operation
 389    */
 390   struct GNUNET_TESTBED_Operation *op;
 391
 392   /**
 393    * Depending on whether we start or stop RPS service at the peer, set this to
 394    * #PEER_GO_ONLINE (1) or #PEER_GO_OFFLINE (-1)
 395    */
 396   enum PEER_ONLINE_DELTA delta;
 397
 398   /**
 399    * Index of the regarding peer
 400    */
 401   unsigned int index;
 402 };
 403
 404 /**
 405  * OpList DLL head
 406  */
 407 static struct OpListEntry *oplist_head;
 408
 409 /**
 410  * OpList DLL tail
 411  */
 412 static struct OpListEntry *oplist_tail;
 413
 414
 415 /**
 416  * A pending reply: A request was sent and the reply is pending.
 417  */
 418 struct PendingReply {
 419   /**
 420    * DLL next,prev ptr
 421    */
 422   struct PendingReply *next;
 423   struct PendingReply *prev;
 424
 425   /**
 426    * Handle to the request we are waiting for
 427    */
 428   struct GNUNET_RPS_Request_Handle_Single_Info *req_handle;
 429
 430   /**
 431    * The peer that requested
 432    */
 433   struct RPSPeer *rps_peer;
 434 };
 435
 436
 437 /**
 438  * A pending request: A request was not made yet but is scheduled for later.
 439  */
 440 struct PendingRequest {
 441   /**
 442    * DLL next,prev ptr
 443    */
 444   struct PendingRequest *next;
 445   struct PendingRequest *prev;
 446
 447   /**
 448    * Handle to the request we are waiting for
 449    */
 450   struct GNUNET_SCHEDULER_Task *request_task;
 451
 452   /**
 453    * The peer that requested
 454    */
 455   struct RPSPeer *rps_peer;
 456 };
 457
 458
 459 /**
 460  * Information we track for each peer.
 461  */
 462 struct RPSPeer {
 463   /**
 464    * Index of the peer.
 465    */
 466   unsigned int index;
 467
 468   /**
 469    * Handle for RPS connect operation.
 470    */
 471   struct GNUNET_TESTBED_Operation *op;
 472
 473   /**
 474    * Handle to RPS service.
 475    */
 476   struct GNUNET_RPS_Handle *rps_handle;
 477
 478   /**
 479    * ID of the peer.
 480    */
 481   struct GNUNET_PeerIdentity *peer_id;
 482
 483   /**
 484    * A request handle to check for an request
 485    */
 486   //struct GNUNET_RPS_Request_Handle *req_handle;
 487
 488   /**
 489    * Peer on- or offline?
 490    */
 491   int online;
 492
 493   /**
 494    * Number of Peer IDs to request during the whole test
 495    */
 496   unsigned int num_ids_to_request;
 497
 498   /**
 499    * Pending requests DLL
 500    */
 501   struct PendingRequest *pending_req_head;
 502   struct PendingRequest *pending_req_tail;
 503
 504   /**
 505    * Number of pending requests
 506    */
 507   unsigned int num_pending_reqs;
 508
 509   /**
 510    * Pending replies DLL
 511    */
 512   struct PendingReply *pending_rep_head;
 513   struct PendingReply *pending_rep_tail;
 514
 515   /**
 516    * Number of pending replies
 517    */
 518   unsigned int num_pending_reps;
 519
 520   /**
 521    * Number of received PeerIDs
 522    */
 523   unsigned int num_recv_ids;
 524
 525   /**
 526    * Pending operation on that peer
 527    */
 528   const struct OpListEntry *entry_op_manage;
 529
 530   /**
 531    * Testbed operation to connect to statistics service
 532    */
 533   struct GNUNET_TESTBED_Operation *stat_op;
 534
 535   /**
 536    * Handle to the statistics service
 537    */
 538   struct GNUNET_STATISTICS_Handle *stats_h;
 539
 540   /**
 541    * @brief flags to indicate which statistics values have been already
 542    * collected from the statistics service.
 543    * Used to check whether we are able to shutdown.
 544    */
 545   uint32_t stat_collected_flags;
 546
 547   /**
 548    * @brief File name of the file the stats are finally written to
 549    */
 550   const char *file_name_stats;
 551
 552   /**
 553    * @brief File name of the file the stats are finally written to
 554    */
 555   const char *file_name_probs;
 556
 557   /**
 558    * @brief File name of the file the stats are finally written to
 559    */
 560   const char *file_name_probs_hist;
 561
 562   /**
 563    * @brief The current view
 564    */
 565   struct GNUNET_PeerIdentity *cur_view;
 566
 567   /**
 568    * @brief Number of peers in the #cur_view.
 569    */
 570   uint32_t cur_view_count;
 571
 572   /**
 573    * @brief Number of occurrences in other peer's view
 574    */
 575   uint32_t count_in_views;
 576
 577   /**
 578    * @brief statistics values
 579    */
 580   uint64_t stats[STAT_TYPE_MAX];
 581   /**
 582    * @brief Handle for the statistics get request
 583    */
 584   struct GNUNET_STATISTICS_GetHandle *h_stat_get[STAT_TYPE_MAX];
 585
 586   /**
 587    * @brief Keep the probabilities in cache for computing the probabilities
 588    * with respect to history.
 589    */
 590   double *eval_probs_cache;
 591 };
 592
 593 /**
 594  * Information for all the peers.
 595  */
 596 static struct RPSPeer *rps_peers;
 597
 598 /**
 599  * Peermap to get the index of a given peer ID quick.
 600  */
 601 static struct GNUNET_CONTAINER_MultiPeerMap *peer_map;
 602
 603 /**
 604  * IDs of the peers.
 605  */
 606 static struct GNUNET_PeerIdentity *rps_peer_ids;
 607
 608 /**
 609  * ID of the targeted peer.
 610  */
 611 static struct GNUNET_PeerIdentity *target_peer;
 612
 613 /**
 614  * Number of online peers.
 615  */
 616 static unsigned int num_peers_online;
 617
 618 /**
 619  * @brief The added sizes of the peer's views
 620  */
 621 static unsigned int view_sizes;
 622
 623 /**
 624  * Return value from 'main'.
 625  */
 626 static int ok;
 627
 628 /**
 629  * Identifier for the task that runs after the test to collect results
 630  */
 631 static struct GNUNET_SCHEDULER_Task *post_test_task;
 632
 633 /**
 634  * Identifier for the shutdown task
 635  */
 636 static struct GNUNET_SCHEDULER_Task *shutdown_task;
 637
 638
 639 /**
 640  * Identifier for the churn task that runs periodically
 641  */
 642 static struct GNUNET_SCHEDULER_Task *churn_task;
 643
 644 /**
 645  * Called to initialise the given RPSPeer
 646  */
 647 typedef void (*InitPeer) (struct RPSPeer *rps_peer);
 648
 649 /**
 650  * @brief Called directly after connecting to the service
 651  *
 652  * @param rps_peer Specific peer the function is called on
 653  * @param h the handle to the rps service
 654  */
 655 typedef void (*PreTest) (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h);
 656
 657 /**
 658  * @brief Executes functions to test the api/service for a given peer
 659  *
 660  * Called from within #rps_connect_complete_cb ()
 661  * Implemented by #churn_test_cb, #profiler_cb, #mal_cb, #single_req_cb,
 662  * #delay_req_cb, #seed_big_cb, #single_peer_seed_cb, #seed_cb, #req_cancel_cb
 663  *
 664  * @param rps_peer the peer the task runs on
 665  */
 666 typedef void (*MainTest) (struct RPSPeer *rps_peer);
 667
 668 /**
 669  * Callback called once the requested random peers are available
 670  */
 671 typedef void (*ReplyHandle) (void *cls,
 672                              uint64_t n,
 673                              const struct GNUNET_PeerIdentity *recv_peers);
 674
 675 /**
 676  * Called directly before disconnecting from the service
 677  */
 678 typedef void (*PostTest) (struct RPSPeer *peer);
 679
 680 /**
 681  * Function called after disconnect to evaluate test success
 682  */
 683 typedef int (*EvaluationCallback) (void);
 684
 685 /**
 686  * @brief Do we have Churn?
 687  */
 688 enum OPTION_CHURN {
 689   /**
 690    * @brief If we have churn this is set
 691    */
 692   HAVE_CHURN,
 693   /**
 694    * @brief If we have no churn this is set
 695    */
 696   HAVE_NO_CHURN,
 697 };
 698
 699 /**
 700  * @brief Is it ok to quit the test before the timeout?
 701  */
 702 enum OPTION_QUICK_QUIT {
 703   /**
 704    * @brief It is ok for the test to quit before the timeout triggers
 705    */
 706   HAVE_QUICK_QUIT,
 707
 708   /**
 709    * @brief It is NOT ok for the test to quit before the timeout triggers
 710    */
 711   HAVE_NO_QUICK_QUIT,
 712 };
 713
 714 /**
 715  * @brief Do we collect statistics at the end?
 716  */
 717 enum OPTION_COLLECT_STATISTICS {
 718   /**
 719    * @brief We collect statistics at the end
 720    */
 721   COLLECT_STATISTICS,
 722
 723   /**
 724    * @brief We do not collect statistics at the end
 725    */
 726   NO_COLLECT_STATISTICS,
 727 };
 728
 729 /**
 730  * @brief Do we collect views during run?
 731  */
 732 enum OPTION_COLLECT_VIEW {
 733   /**
 734    * @brief We collect view during run
 735    */
 736   COLLECT_VIEW,
 737
 738   /**
 739    * @brief We do not collect the view during run
 740    */
 741   NO_COLLECT_VIEW,
 742 };
 743
 744 /**
 745  * Structure to define a single test
 746  */
 747 struct SingleTestRun {
 748   /**
 749    * Name of the test
 750    */
 751   char *name;
 752
 753   /**
 754    * Called with a single peer in order to initialise that peer
 755    */
 756   InitPeer init_peer;
 757
 758   /**
 759    * Called directly after connecting to the service
 760    */
 761   PreTest pre_test;
 762
 763   /**
 764    * Main function for each peer
 765    */
 766   MainTest main_test;
 767
 768   /**
 769    * Callback called once the requested peers are available
 770    */
 771   ReplyHandle reply_handle;
 772
 773   /**
 774    * Called directly before disconnecting from the service
 775    */
 776   PostTest post_test;
 777
 778   /**
 779    * Function to evaluate the test results
 780    */
 781   EvaluationCallback eval_cb;
 782
 783   /**
 784    * Request interval
 785    */
 786   uint32_t request_interval;
 787
 788   /**
 789    * Number of Requests to make.
 790    */
 791   uint32_t num_requests;
 792
 793   /**
 794    * Run with (-out) churn
 795    */
 796   enum OPTION_CHURN have_churn;
 797
 798   /**
 799    * Quit test before timeout?
 800    */
 801   enum OPTION_QUICK_QUIT have_quick_quit;
 802
 803   /**
 804    * Collect statistics at the end?
 805    */
 806   enum OPTION_COLLECT_STATISTICS have_collect_statistics;
 807
 808   /**
 809    * Collect view during run?
 810    */
 811   enum OPTION_COLLECT_VIEW have_collect_view;
 812
 813   /**
 814    * @brief Mark which values from the statistics service to collect at the end
 815    * of the run
 816    */
 817   uint32_t stat_collect_flags;
 818 } cur_test_run;
 819
 820 /**
 821  * Did we finish the test?
 822  */
 823 static int post_test;
 824
 825 /**
 826  * Are we shutting down?
 827  */
 828 static int in_shutdown;
 829
 830 /**
 831  * Append arguments to file
 832  */
 833 static void
 834 tofile_(const char *file_name, const char *line)
 835 {
 836   struct GNUNET_DISK_FileHandle *f;
 837   /* char output_buffer[512]; */
 838   size_t size;
 839   /* int size; */
 840   size_t size2;
 841
 842   if (NULL == (f = GNUNET_DISK_file_open(file_name,
 843                                          GNUNET_DISK_OPEN_APPEND |
 844                                          GNUNET_DISK_OPEN_WRITE |
 845                                          GNUNET_DISK_OPEN_CREATE,
 846                                          GNUNET_DISK_PERM_USER_READ |
 847                                          GNUNET_DISK_PERM_USER_WRITE |
 848                                          GNUNET_DISK_PERM_GROUP_READ |
 849                                          GNUNET_DISK_PERM_OTHER_READ)))
 850     {
 851       GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
 852                  "Not able to open file %s\n",
 853                  file_name);
 854       return;
 855     }
 856   /* size = GNUNET_snprintf (output_buffer,
 857                           sizeof (output_buffer),
 858                           "%llu %s\n",
 859                           GNUNET_TIME_absolute_get ().abs_value_us,
 860                           line);
 861      if (0 > size)
 862      {
 863      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 864                 "Failed to write string to buffer (size: %i)\n",
 865                 size);
 866      return;
 867      } */
 868
 869   size = strlen(line) * sizeof(char);
 870
 871   size2 = GNUNET_DISK_file_write(f, line, size);
 872   if (size != size2)
 873     {
 874       GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
 875                  "Unable to write to file! (Size: %lu, size2: %lu)\n",
 876                  size,
 877                  size2);
 878       if (GNUNET_YES != GNUNET_DISK_file_close(f))
 879         {
 880           GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
 881                      "Unable to close file\n");
 882         }
 883       return;
 884     }
 885
 886   if (GNUNET_YES != GNUNET_DISK_file_close(f))
 887     {
 888       GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
 889                  "Unable to close file\n");
 890     }
 891 }
 892
 893 /**
 894  * This function is used to facilitate writing important information to disk
 895  */
 896 #define tofile(file_name, ...) do { \
 897       char tmp_buf[512]; \
 898       int size; \
 899       size = GNUNET_snprintf(tmp_buf, sizeof(tmp_buf), __VA_ARGS__); \
 900       if (0 > size) \
 901       GNUNET_log (GNUNET_ERROR_TYPE_WARNING, \
 902                   "Failed to create tmp_buf\n"); \
 903       else \
 904       tofile_ (file_name, tmp_buf); \
 905   } while (0);
 906
 907
 908 /**
 909  * Write the ids and their according index in the given array to a file
 910  * Unused
 911  */
 912 /* static void
 913    ids_to_file (char *file_name,
 914              struct GNUNET_PeerIdentity *peer_ids,
 915              unsigned int num_peer_ids)
 916    {
 917    unsigned int i;
 918
 919    for (i=0 ; i < num_peer_ids ; i++)
 920    {
 921     to_file (file_name,
 922              "%u\t%s",
 923              i,
 924              GNUNET_i2s_full (&peer_ids[i]));
 925    }
 926    } */
 927
 928 /**
 929  * Test the success of a single test
 930  */
 931 static int
 932 evaluate(void)
 933 {
 934   unsigned int i;
 935   int tmp_ok;
 936
 937   tmp_ok = 1;
 938
 939   for (i = 0; i < num_peers; i++)
 940     {
 941       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
 942                  "%u. peer [%s] received %u of %u expected peer_ids: %i\n",
 943                  i,
 944                  GNUNET_i2s(rps_peers[i].peer_id),
 945                  rps_peers[i].num_recv_ids,
 946                  rps_peers[i].num_ids_to_request,
 947                  (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids));
 948       tmp_ok &= (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids);
 949     }
 950   return tmp_ok ? 0 : 1;
 951 }
 952
 953
 954 /**
 955  * Creates an oplist entry and adds it to the oplist DLL
 956  */
 957 static struct OpListEntry *
 958 make_oplist_entry()
 959 {
 960   struct OpListEntry *entry;
 961
 962   entry = GNUNET_new(struct OpListEntry);
 963   GNUNET_CONTAINER_DLL_insert_tail(oplist_head, oplist_tail, entry);
 964   return entry;
 965 }
 966
 967
 968 /**
 969  * @brief Checks if given peer already received its statistics value from the
 970  * statistics service.
 971  *
 972  * @param rps_peer the peer to check for
 973  *
 974  * @return #GNUNET_YES if so
 975  *         #GNUNET_NO otherwise
 976  */
 977 static int check_statistics_collect_completed_single_peer(
 978   const struct RPSPeer *rps_peer)
 979 {
 980   if (cur_test_run.stat_collect_flags !=
 981       (cur_test_run.stat_collect_flags &
 982        rps_peer->stat_collected_flags))
 983     {
 984       return GNUNET_NO;
 985     }
 986   return GNUNET_YES;
 987 }
 988 /**
 989  * @brief Checks if all peers already received their statistics value from the
 990  * statistics service.
 991  *
 992  * @return #GNUNET_YES if so
 993  *         #GNUNET_NO otherwise
 994  */
 995 static int check_statistics_collect_completed()
 996 {
 997   uint32_t i;
 998
 999   for (i = 0; i < num_peers; i++)
1000     {
1001       if (GNUNET_NO == check_statistics_collect_completed_single_peer(&rps_peers[i]))
1002         {
1003           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1004                      "At least Peer %" PRIu32 " did not yet receive all statistics values\n",
1005                      i);
1006           return GNUNET_NO;
1007         }
1008     }
1009   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1010              "All peers received their statistics values\n");
1011   return GNUNET_YES;
1012 }
1013
1014 static void
1015 rps_disconnect_adapter(void *cls,
1016                        void *op_result);
1017
1018 static void
1019 cancel_pending_req(struct PendingRequest *pending_req)
1020 {
1021   struct RPSPeer *rps_peer;
1022
1023   rps_peer = pending_req->rps_peer;
1024   GNUNET_CONTAINER_DLL_remove(rps_peer->pending_req_head,
1025                               rps_peer->pending_req_tail,
1026                               pending_req);
1027   rps_peer->num_pending_reqs--;
1028   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1029              "Cancelling pending rps get request\n");
1030   GNUNET_SCHEDULER_cancel(pending_req->request_task);
1031   GNUNET_free(pending_req);
1032 }
1033
1034 static void
1035 cancel_request(struct PendingReply *pending_rep)
1036 {
1037   struct RPSPeer *rps_peer;
1038
1039   rps_peer = pending_rep->rps_peer;
1040   GNUNET_CONTAINER_DLL_remove(rps_peer->pending_rep_head,
1041                               rps_peer->pending_rep_tail,
1042                               pending_rep);
1043   rps_peer->num_pending_reps--;
1044   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1045              "Cancelling rps get reply\n");
1046   GNUNET_assert(NULL != pending_rep->req_handle);
1047   GNUNET_RPS_request_single_info_cancel(pending_rep->req_handle);
1048   pending_rep->req_handle = NULL;
1049   GNUNET_free(pending_rep);
1050   pending_rep = NULL;
1051 }
1052
1053 void
1054 clean_peer(unsigned peer_index)
1055 {
1056   struct PendingRequest *pending_req;
1057
1058   while (NULL != (pending_req = rps_peers[peer_index].pending_req_head))
1059     {
1060       cancel_pending_req(pending_req);
1061     }
1062   pending_req = rps_peers[peer_index].pending_req_head;
1063   rps_disconnect_adapter(&rps_peers[peer_index],
1064                          &rps_peers[peer_index].rps_handle);
1065   for (unsigned stat_type = STAT_TYPE_ROUNDS;
1066        stat_type < STAT_TYPE_MAX;
1067        stat_type++)
1068     {
1069       if (NULL != rps_peers[peer_index].h_stat_get[stat_type])
1070         {
1071           GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
1072                      "(%u) did not yet receive stat value for `%s'\n",
1073                      rps_peers[peer_index].index,
1074                      stat_type_strings[stat_type]);
1075           GNUNET_STATISTICS_get_cancel(
1076             rps_peers[peer_index].h_stat_get[stat_type]);
1077         }
1078     }
1079   if (NULL != rps_peers[peer_index].op)
1080     {
1081       GNUNET_TESTBED_operation_done(rps_peers[peer_index].op);
1082       rps_peers[peer_index].op = NULL;
1083     }
1084 }
1085
1086 /**
1087  * Task run on timeout to shut everything down.
1088  */
1089 static void
1090 shutdown_op(void *cls)
1091 {
1092   unsigned int i;
1093   struct OpListEntry *entry;
1094
1095   (void)cls;
1096
1097   GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1098              "Shutdown task scheduled, going down.\n");
1099   in_shutdown = GNUNET_YES;
1100
1101   if (NULL != shutdown_task)
1102     {
1103       GNUNET_SCHEDULER_cancel(shutdown_task);
1104       shutdown_task = NULL;
1105     }
1106   if (NULL != post_test_task)
1107     {
1108       GNUNET_SCHEDULER_cancel(post_test_task);
1109       post_test_task = NULL;
1110     }
1111   if (NULL != churn_task)
1112     {
1113       GNUNET_SCHEDULER_cancel(churn_task);
1114       churn_task = NULL;
1115     }
1116   entry = oplist_head;
1117   while (NULL != (entry = oplist_head))
1118     {
1119       GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
1120                  "Operation still pending on shutdown (%u)\n",
1121                  entry->index);
1122       GNUNET_TESTBED_operation_done(entry->op);
1123       GNUNET_CONTAINER_DLL_remove(oplist_head, oplist_tail, entry);
1124       GNUNET_free(entry);
1125     }
1126   for (i = 0; i < num_peers; i++)
1127     {
1128       clean_peer(i);
1129     }
1130   close_all_files();
1131 }
1132
1133 static void
1134 trigger_shutdown(void *cls)
1135 {
1136   (void)cls;
1137
1138   GNUNET_log(GNUNET_ERROR_TYPE_INFO,
1139              "Shutdown was triggerd by timeout, going down.\n");
1140   shutdown_task = NULL;
1141   GNUNET_SCHEDULER_shutdown();
1142 }
1143
1144
1145 /**
1146  * Task run after #duration to collect statistics and potentially shut down.
1147  */
1148 static void
1149 post_test_op(void *cls)
1150 {
1151   unsigned int i;
1152
1153   (void)cls;
1154
1155   post_test_task = NULL;
1156   post_test = GNUNET_YES;
1157   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1158              "Executing post test op.\n");
1159   if (NULL != churn_task)
1160     {
1161       GNUNET_SCHEDULER_cancel(churn_task);
1162       churn_task = NULL;
1163     }
1164   for (i = 0; i < num_peers; i++)
1165     {
1166       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1167                  "Executing post test op. (peer %" PRIu32 ")\n",
1168                  rps_peers[i].index);
1169       if (NULL != rps_peers[i].op)
1170         {
1171           GNUNET_TESTBED_operation_done(rps_peers[i].op);
1172           rps_peers[i].op = NULL;
1173           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1174                      "Cancelled testbed operation\n");
1175         }
1176       if (NULL != cur_test_run.post_test)
1177         {
1178           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Executing post_test for peer %u\n", i);
1179           cur_test_run.post_test(&rps_peers[i]);
1180         }
1181     }
1182   /* If we do not collect statistics, shut down directly */
1183   if (NO_COLLECT_STATISTICS == cur_test_run.have_collect_statistics ||
1184       GNUNET_YES == check_statistics_collect_completed())
1185     {
1186       GNUNET_SCHEDULER_cancel(shutdown_task);
1187       shutdown_task = NULL;
1188       GNUNET_SCHEDULER_shutdown();
1189     }
1190 }
1191
1192
1193 /**
1194  * Seed peers.
1195  */
1196 static void
1197 seed_peers(void *cls)
1198 {
1199   struct RPSPeer *peer = cls;
1200   unsigned int amount;
1201   unsigned int i;
1202
1203   // TODO if malicious don't seed mal peers
1204   amount = round(.5 * num_peers);
1205
1206   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Seeding peers:\n");
1207   for (i = 0; i < amount; i++)
1208     GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
1209                i,
1210                GNUNET_i2s(&rps_peer_ids[i]));
1211
1212   GNUNET_RPS_seed_ids(peer->rps_handle, amount, rps_peer_ids);
1213 }
1214
1215
1216 /**
1217  * Get the id of peer i.
1218  */
1219 void
1220 info_cb(void *cb_cls,
1221         struct GNUNET_TESTBED_Operation *op,
1222         const struct GNUNET_TESTBED_PeerInformation *pinfo,
1223         const char *emsg)
1224 {
1225   struct OpListEntry *entry = (struct OpListEntry *)cb_cls;
1226
1227   (void)op;
1228
1229   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1230     {
1231       return;
1232     }
1233
1234   if (NULL == pinfo || NULL != emsg)
1235     {
1236       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg);
1237       GNUNET_TESTBED_operation_done(entry->op);
1238       return;
1239     }
1240
1241   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1242              "Peer %u is %s\n",
1243              entry->index,
1244              GNUNET_i2s(pinfo->result.id));
1245
1246   rps_peer_ids[entry->index] = *(pinfo->result.id);
1247   rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index];
1248
1249   GNUNET_assert(GNUNET_OK ==
1250                 GNUNET_CONTAINER_multipeermap_put(peer_map,
1251                                                   &rps_peer_ids[entry->index],
1252                                                   &rps_peers[entry->index],
1253                                                   GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
1254   tofile("/tmp/rps/peer_ids",
1255          "%u\t%s\n",
1256          entry->index,
1257          GNUNET_i2s_full(&rps_peer_ids[entry->index]));
1258
1259   GNUNET_CONTAINER_DLL_remove(oplist_head, oplist_tail, entry);
1260   GNUNET_TESTBED_operation_done(entry->op);
1261   GNUNET_free(entry);
1262 }
1263
1264
1265 /**
1266  * Callback to be called when RPS service connect operation is completed
1267  *
1268  * @param cls the callback closure from functions generating an operation
1269  * @param op the operation that has been finished
1270  * @param ca_result the RPS service handle returned from rps_connect_adapter
1271  * @param emsg error message in case the operation has failed; will be NULL if
1272  *          operation has executed successfully.
1273  */
1274 static void
1275 rps_connect_complete_cb(void *cls,
1276                         struct GNUNET_TESTBED_Operation *op,
1277                         void *ca_result,
1278                         const char *emsg)
1279 {
1280   struct RPSPeer *rps_peer = cls;
1281   struct GNUNET_RPS_Handle *rps = ca_result;
1282
1283   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1284     {
1285       return;
1286     }
1287
1288   rps_peer->rps_handle = rps;
1289   rps_peer->online = GNUNET_YES;
1290   num_peers_online++;
1291
1292   GNUNET_assert(op == rps_peer->op);
1293   if (NULL != emsg)
1294     {
1295       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
1296                  "Failed to connect to RPS service: %s\n",
1297                  emsg);
1298       ok = 1;
1299       GNUNET_SCHEDULER_shutdown();
1300       return;
1301     }
1302
1303   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1304              "Started client successfully (%u)\n",
1305              rps_peer->index);
1306
1307   cur_test_run.main_test(rps_peer);
1308 }
1309
1310
1311 /**
1312  * Adapter function called to establish a connection to
1313  * the RPS service.
1314  *
1315  * @param cls closure
1316  * @param cfg configuration of the peer to connect to; will be available until
1317  *          GNUNET_TESTBED_operation_done() is called on the operation returned
1318  *          from GNUNET_TESTBED_service_connect()
1319  * @return service handle to return in 'op_result', NULL on error
1320  */
1321 static void *
1322 rps_connect_adapter(void *cls,
1323                     const struct GNUNET_CONFIGURATION_Handle *cfg)
1324 {
1325   struct GNUNET_RPS_Handle *h;
1326
1327   h = GNUNET_RPS_connect(cfg);
1328
1329   if (NULL != cur_test_run.pre_test)
1330     cur_test_run.pre_test(cls, h);
1331
1332   return h;
1333 }
1334
1335 /**
1336  * Called to open a connection to the peer's statistics
1337  *
1338  * @param cls peer context
1339  * @param cfg configuration of the peer to connect to; will be available until
1340  *          GNUNET_TESTBED_operation_done() is called on the operation returned
1341  *          from GNUNET_TESTBED_service_connect()
1342  * @return service handle to return in 'op_result', NULL on error
1343  */
1344 static void *
1345 stat_connect_adapter(void *cls,
1346                      const struct GNUNET_CONFIGURATION_Handle *cfg)
1347 {
1348   struct RPSPeer *peer = cls;
1349
1350   peer->stats_h = GNUNET_STATISTICS_create("rps-profiler", cfg);
1351   return peer->stats_h;
1352 }
1353
1354 /**
1355  * Called to disconnect from peer's statistics service
1356  *
1357  * @param cls peer context
1358  * @param op_result service handle returned from the connect adapter
1359  */
1360 static void
1361 stat_disconnect_adapter(void *cls, void *op_result)
1362 {
1363   struct RPSPeer *peer = cls;
1364
1365   //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1366   //              (peer->stats_h, "core", "# peers connected",
1367   //               stat_iterator, peer));
1368   //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1369   //              (peer->stats_h, "nse", "# peers connected",
1370   //               stat_iterator, peer));
1371   GNUNET_STATISTICS_destroy(op_result, GNUNET_NO);
1372   peer->stats_h = NULL;
1373 }
1374
1375 /**
1376  * Called after successfully opening a connection to a peer's statistics
1377  * service; we register statistics monitoring for CORE and NSE here.
1378  *
1379  * @param cls the callback closure from functions generating an operation
1380  * @param op the operation that has been finished
1381  * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
1382  * @param emsg error message in case the operation has failed; will be NULL if
1383  *          operation has executed successfully.
1384  */
1385 static void
1386 stat_complete_cb(void *cls,
1387                  struct GNUNET_TESTBED_Operation *op,
1388                  void *ca_result,
1389                  const char *emsg)
1390 {
1391   //struct GNUNET_STATISTICS_Handle *sh = ca_result;
1392   //struct RPSPeer *peer = (struct RPSPeer *) cls;
1393   (void)cls;
1394   (void)op;
1395   (void)ca_result;
1396
1397   if (NULL != emsg)
1398     {
1399       GNUNET_break(0);
1400       return;
1401     }
1402   //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1403   //              (sh, "core", "# peers connected",
1404   //               stat_iterator, peer));
1405   //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1406   //              (sh, "nse", "# peers connected",
1407   //               stat_iterator, peer));
1408 }
1409
1410
1411 /**
1412  * Adapter function called to destroy connection to
1413  * RPS service.
1414  *
1415  * @param cls closure
1416  * @param op_result service handle returned from the connect adapter
1417  */
1418 static void
1419 rps_disconnect_adapter(void *cls,
1420                        void *op_result)
1421 {
1422   struct RPSPeer *peer = cls;
1423   struct GNUNET_RPS_Handle *h = op_result;
1424   struct PendingReply *pending_rep;
1425
1426   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1427              "disconnect_adapter (%u)\n",
1428              peer->index);
1429   GNUNET_assert(NULL != peer);
1430   if (NULL != peer->rps_handle)
1431     {
1432       while (NULL != (pending_rep = peer->pending_rep_head))
1433         {
1434           cancel_request(pending_rep);
1435         }
1436       GNUNET_assert(h == peer->rps_handle);
1437       if (NULL != h)
1438         {
1439           GNUNET_RPS_disconnect(h);
1440           h = NULL;
1441         }
1442       peer->rps_handle = NULL;
1443     }
1444 }
1445
1446
1447 /***********************************************************************
1448 * Definition of tests
1449 ***********************************************************************/
1450
1451 /**
1452  * Callback to call on receipt of a reply
1453  *
1454  * @param cls closure
1455  * @param n number of peers
1456  * @param recv_peers the received peers
1457  */
1458 static void
1459 default_reply_handle(void *cls,
1460                      uint64_t n,
1461                      const struct GNUNET_PeerIdentity *recv_peers)
1462 {
1463   struct RPSPeer *rps_peer;
1464   struct PendingReply *pending_rep = (struct PendingReply *)cls;
1465   unsigned int i;
1466
1467   rps_peer = pending_rep->rps_peer;
1468   GNUNET_CONTAINER_DLL_remove(rps_peer->pending_rep_head,
1469                               rps_peer->pending_rep_tail,
1470                               pending_rep);
1471   rps_peer->num_pending_reps--;
1472   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1473              "[%s] got %" PRIu64 " peers:\n",
1474              GNUNET_i2s(rps_peer->peer_id),
1475              n);
1476
1477   for (i = 0; i < n; i++)
1478     {
1479       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1480                  "%u: %s\n",
1481                  i,
1482                  GNUNET_i2s(&recv_peers[i]));
1483
1484       rps_peer->num_recv_ids++;
1485     }
1486
1487   if (GNUNET_YES != post_test)
1488     return;
1489   if (HAVE_QUICK_QUIT != cur_test_run.have_quick_quit)
1490     return;
1491   if (0 == evaluate())
1492     {
1493       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1494                  "Test succeeded before end of duration\n");
1495       if (NULL != post_test_task)
1496         GNUNET_SCHEDULER_cancel(post_test_task);
1497       post_test_task = GNUNET_SCHEDULER_add_now(&post_test_op, NULL);
1498       GNUNET_assert(NULL != post_test_task);
1499     }
1500 }
1501
1502
1503 static void
1504 profiler_reply_handle_info(void *cls,
1505                            const struct GNUNET_PeerIdentity *recv_peer,
1506                            double probability,
1507                            uint32_t num_observed);
1508
1509 /**
1510  * Request random peers.
1511  */
1512 static void
1513 request_peers(void *cls)
1514 {
1515   struct PendingRequest *pending_req = cls;
1516   struct RPSPeer *rps_peer;
1517   struct PendingReply *pending_rep;
1518
1519   rps_peer = pending_req->rps_peer;
1520   GNUNET_assert(1 <= rps_peer->num_pending_reqs);
1521   GNUNET_CONTAINER_DLL_remove(rps_peer->pending_req_head,
1522                               rps_peer->pending_req_tail,
1523                               pending_req);
1524   rps_peer->num_pending_reqs--;
1525   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1526     return;
1527   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1528              "Requesting one peer\n");
1529   pending_rep = GNUNET_new(struct PendingReply);
1530   pending_rep->rps_peer = rps_peer;
1531   //pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle,
1532   //    1,
1533   //    cur_test_run.reply_handle,
1534   //    pending_rep);
1535   pending_rep->req_handle = GNUNET_RPS_request_peer_info(rps_peer->rps_handle,
1536                                                          profiler_reply_handle_info,
1537                                                          pending_rep);
1538   GNUNET_CONTAINER_DLL_insert_tail(rps_peer->pending_rep_head,
1539                                    rps_peer->pending_rep_tail,
1540                                    pending_rep);
1541   rps_peer->num_pending_reps++;
1542 }
1543
1544
1545 /**
1546  * Schedule requests for peer @a rps_peer that have neither been scheduled, nor
1547  * issued, nor replied
1548  */
1549 void
1550 schedule_missing_requests(struct RPSPeer *rps_peer)
1551 {
1552   unsigned int i;
1553   struct PendingRequest *pending_req;
1554
1555   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1556              "Scheduling %u - %u missing requests\n",
1557              rps_peer->num_ids_to_request,
1558              rps_peer->num_pending_reqs + rps_peer->num_pending_reps);
1559   GNUNET_assert(rps_peer->num_pending_reqs + rps_peer->num_pending_reps <=
1560                 rps_peer->num_ids_to_request);
1561   for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps;
1562        i < rps_peer->num_ids_to_request; i++)
1563     {
1564       pending_req = GNUNET_new(struct PendingRequest);
1565       pending_req->rps_peer = rps_peer;
1566       pending_req->request_task = GNUNET_SCHEDULER_add_delayed(
1567         GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
1568                                       cur_test_run.request_interval * i),
1569         request_peers,
1570         pending_req);
1571       GNUNET_CONTAINER_DLL_insert_tail(rps_peer->pending_req_head,
1572                                        rps_peer->pending_req_tail,
1573                                        pending_req);
1574       rps_peer->num_pending_reqs++;
1575     }
1576 }
1577
1578 void
1579 cancel_pending_req_rep(struct RPSPeer *rps_peer)
1580 {
1581   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1582              "Cancelling all (pending) requests.\n");
1583   while (NULL != rps_peer->pending_req_head)
1584     cancel_pending_req(rps_peer->pending_req_head);
1585   GNUNET_assert(0 == rps_peer->num_pending_reqs);
1586   while (NULL != rps_peer->pending_rep_head)
1587     cancel_request(rps_peer->pending_rep_head);
1588   GNUNET_assert(0 == rps_peer->num_pending_reps);
1589 }
1590
1591 /***********************************
1592 * MALICIOUS
1593 ***********************************/
1594
1595 /**
1596  * Initialise only non-mal RPSPeers
1597  */
1598 static void mal_init_peer(struct RPSPeer *rps_peer)
1599 {
1600   if (rps_peer->index >= round(portion * num_peers))
1601     rps_peer->num_ids_to_request = 1;
1602 }
1603
1604
1605 /**
1606  * @brief Set peers to (non-)malicious before execution
1607  *
1608  * Of signature #PreTest
1609  *
1610  * @param rps_peer the peer to set (non-) malicious
1611  * @param h the handle to the service
1612  */
1613 static void
1614 mal_pre(struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
1615 {
1616   #if ENABLE_MALICIOUS
1617   uint32_t num_mal_peers;
1618
1619   GNUNET_assert((1 >= portion) &&
1620                 (0 < portion));
1621   num_mal_peers = round(portion * num_peers);
1622
1623   if (rps_peer->index < num_mal_peers)
1624     {
1625       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1626                  "%u. peer [%s] of %" PRIu32 " malicious peers turning malicious\n",
1627                  rps_peer->index,
1628                  GNUNET_i2s(rps_peer->peer_id),
1629                  num_mal_peers);
1630
1631       GNUNET_RPS_act_malicious(h, mal_type, num_mal_peers,
1632                                rps_peer_ids, target_peer);
1633     }
1634   #endif /* ENABLE_MALICIOUS */
1635 }
1636
1637 static void
1638 mal_cb(struct RPSPeer *rps_peer)
1639 {
1640   uint32_t num_mal_peers;
1641
1642   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1643     {
1644       return;
1645     }
1646
1647   #if ENABLE_MALICIOUS
1648   GNUNET_assert((1 >= portion) &&
1649                 (0 < portion));
1650   num_mal_peers = round(portion * num_peers);
1651
1652   if (rps_peer->index >= num_mal_peers)
1653     { /* It's useless to ask a malicious peer about a random sample -
1654          it's not sampling */
1655       GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 2),
1656                                    seed_peers, rps_peer);
1657       schedule_missing_requests(rps_peer);
1658     }
1659   #endif /* ENABLE_MALICIOUS */
1660 }
1661
1662 /***********************************
1663 * CHURN
1664 ***********************************/
1665
1666 static void
1667 churn(void *cls);
1668
1669 /**
1670  * @brief Starts churn
1671  *
1672  * Has signature of #MainTest
1673  *
1674  * This is not implemented too nicely as this is called for each peer, but we
1675  * only need to call it once. (Yes we check that we only schedule the task
1676  * once.)
1677  *
1678  * @param rps_peer The peer it's called for
1679  */
1680 static void
1681 churn_test_cb(struct RPSPeer *rps_peer)
1682 {
1683   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1684     {
1685       return;
1686     }
1687
1688   /* Start churn */
1689   if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1690     {
1691       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1692                  "Starting churn task\n");
1693       churn_task = GNUNET_SCHEDULER_add_delayed(
1694         GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5),
1695         churn,
1696         NULL);
1697     }
1698   else
1699     {
1700       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1701                  "Not starting churn task\n");
1702     }
1703
1704   schedule_missing_requests(rps_peer);
1705 }
1706
1707 /***********************************
1708 * PROFILER
1709 ***********************************/
1710
1711 /**
1712  * Callback to be called when RPS service is started or stopped at peers
1713  *
1714  * @param cls NULL
1715  * @param op the operation handle
1716  * @param emsg NULL on success; otherwise an error description
1717  */
1718 static void
1719 churn_cb(void *cls,
1720          struct GNUNET_TESTBED_Operation *op,
1721          const char *emsg)
1722 {
1723   // FIXME
1724   struct OpListEntry *entry = cls;
1725
1726   (void)op;
1727
1728   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1729     {
1730       return;
1731     }
1732
1733   GNUNET_TESTBED_operation_done(entry->op);
1734   if (NULL != emsg)
1735     {
1736       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
1737       GNUNET_SCHEDULER_shutdown();
1738       return;
1739     }
1740   GNUNET_assert(0 != entry->delta);
1741
1742   num_peers_online += entry->delta;
1743
1744   if (PEER_GO_OFFLINE == entry->delta)
1745     { /* Peer hopefully just went offline */
1746       if (GNUNET_YES != rps_peers[entry->index].online)
1747         {
1748           GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
1749                      "peer %s was expected to go offline but is still marked as online\n",
1750                      GNUNET_i2s(rps_peers[entry->index].peer_id));
1751           GNUNET_break(0);
1752         }
1753       else
1754         {
1755           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1756                      "peer %s probably went offline as expected\n",
1757                      GNUNET_i2s(rps_peers[entry->index].peer_id));
1758         }
1759       rps_peers[entry->index].online = GNUNET_NO;
1760     }
1761
1762   else if (PEER_GO_ONLINE < entry->delta)
1763     { /* Peer hopefully just went online */
1764       if (GNUNET_NO != rps_peers[entry->index].online)
1765         {
1766           GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
1767                      "peer %s was expected to go online but is still marked as offline\n",
1768                      GNUNET_i2s(rps_peers[entry->index].peer_id));
1769           GNUNET_break(0);
1770         }
1771       else
1772         {
1773           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1774                      "peer %s probably went online as expected\n",
1775                      GNUNET_i2s(rps_peers[entry->index].peer_id));
1776           if (NULL != cur_test_run.pre_test)
1777             {
1778               cur_test_run.pre_test(&rps_peers[entry->index],
1779                                     rps_peers[entry->index].rps_handle);
1780               schedule_missing_requests(&rps_peers[entry->index]);
1781             }
1782         }
1783       rps_peers[entry->index].online = GNUNET_YES;
1784     }
1785   else
1786     {
1787       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
1788                  "Invalid value for delta: %i\n", entry->delta);
1789       GNUNET_break(0);
1790     }
1791
1792   GNUNET_CONTAINER_DLL_remove(oplist_head, oplist_tail, entry);
1793   rps_peers[entry->index].entry_op_manage = NULL;
1794   GNUNET_free(entry);
1795   //if (num_peers_in_round[current_round] == peers_running)
1796   //  run_round ();
1797 }
1798
1799 /**
1800  * @brief Set the rps-service up or down for a specific peer
1801  *
1802  * @param i index of action
1803  * @param j index of peer
1804  * @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1)
1805  * @param prob_go_on_off the probability of the action
1806  */
1807 static void
1808 manage_service_wrapper(unsigned int i, unsigned int j,
1809                        enum PEER_ONLINE_DELTA delta,
1810                        double prob_go_on_off)
1811 {
1812   struct OpListEntry *entry = NULL;
1813   uint32_t prob;
1814
1815   /* make sure that management operation is not already scheduled */
1816   if (NULL != rps_peers[j].entry_op_manage)
1817     {
1818       return;
1819     }
1820
1821   prob = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK,
1822                                   UINT32_MAX);
1823   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1824              "%u. selected peer (%u: %s) is %s.\n",
1825              i,
1826              j,
1827              GNUNET_i2s(rps_peers[j].peer_id),
1828              (PEER_GO_ONLINE == delta) ? "online" : "offline");
1829   if (prob < prob_go_on_off * UINT32_MAX)
1830     {
1831       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1832                  "%s goes %s\n",
1833                  GNUNET_i2s(rps_peers[j].peer_id),
1834                  (PEER_GO_OFFLINE == delta) ? "offline" : "online");
1835
1836       if (PEER_GO_OFFLINE == delta)
1837         cancel_pending_req_rep(&rps_peers[j]);
1838       entry = make_oplist_entry();
1839       entry->delta = delta;
1840       entry->index = j;
1841       entry->op = GNUNET_TESTBED_peer_manage_service(NULL,
1842                                                      testbed_peers[j],
1843                                                      "rps",
1844                                                      &churn_cb,
1845                                                      entry,
1846                                                      (PEER_GO_OFFLINE == delta) ? 0 : 1);
1847       rps_peers[j].entry_op_manage = entry;
1848     }
1849 }
1850
1851
1852 static void
1853 churn(void *cls)
1854 {
1855   unsigned int i;
1856   unsigned int j;
1857   double portion_online;
1858   unsigned int *permut;
1859   double prob_go_offline;
1860   double portion_go_online;
1861   double portion_go_offline;
1862
1863   (void)cls;
1864
1865   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1866     {
1867       return;
1868     }
1869   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1870              "Churn function executing\n");
1871
1872   churn_task = NULL; /* Should be invalid by now */
1873
1874   /* Compute the probability for an online peer to go offline
1875    * this round */
1876   portion_online = num_peers_online * 1.0 / num_peers;
1877   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1878              "Portion online: %f\n",
1879              portion_online);
1880   portion_go_online = ((1 - portion_online) * .5 * .66);
1881   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1882              "Portion that should go online: %f\n",
1883              portion_go_online);
1884   portion_go_offline = (portion_online + portion_go_online) - .75;
1885   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1886              "Portion that probably goes offline: %f\n",
1887              portion_go_offline);
1888   prob_go_offline = portion_go_offline / (portion_online * .5);
1889   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1890              "Probability of a selected online peer to go offline: %f\n",
1891              prob_go_offline);
1892
1893   permut = GNUNET_CRYPTO_random_permute(GNUNET_CRYPTO_QUALITY_WEAK,
1894                                         (unsigned int)num_peers);
1895
1896   /* Go over 50% randomly chosen peers */
1897   for (i = 0; i < .5 * num_peers; i++)
1898     {
1899       j = permut[i];
1900
1901       /* If online, shut down with certain probability */
1902       if (GNUNET_YES == rps_peers[j].online)
1903         {
1904           manage_service_wrapper(i, j, -1, prob_go_offline);
1905         }
1906
1907       /* If offline, restart with certain probability */
1908       else if (GNUNET_NO == rps_peers[j].online)
1909         {
1910           manage_service_wrapper(i, j, 1, 0.66);
1911         }
1912     }
1913
1914   GNUNET_free(permut);
1915
1916   churn_task = GNUNET_SCHEDULER_add_delayed(
1917     GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 2),
1918     churn,
1919     NULL);
1920 }
1921
1922
1923 /**
1924  * Initialise given RPSPeer
1925  */
1926 static void profiler_init_peer(struct RPSPeer *rps_peer)
1927 {
1928   rps_peer->num_ids_to_request = cur_test_run.num_requests;
1929   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "peer shall request %i peers\n",
1930              rps_peer->num_ids_to_request);
1931 }
1932
1933
1934 /**
1935  * Callback to call on receipt of a reply
1936  *
1937  * @param cls closure
1938  * @param n number of peers
1939  * @param recv_peers the received peers
1940  */
1941 static void
1942 profiler_reply_handle(void *cls,
1943                       uint64_t n,
1944                       const struct GNUNET_PeerIdentity *recv_peers)
1945 {
1946   struct RPSPeer *rps_peer;
1947   struct RPSPeer *rcv_rps_peer;
1948   char file_name_buf[128];
1949   char file_name_dh_buf[128];
1950   char file_name_dhr_buf[128];
1951   char file_name_dhru_buf[128];
1952   char *file_name = file_name_buf;
1953   char *file_name_dh = file_name_dh_buf;
1954   char *file_name_dhr = file_name_dhr_buf;
1955   char *file_name_dhru = file_name_dhru_buf;
1956   unsigned int i;
1957   struct PendingReply *pending_rep = (struct PendingReply *)cls;
1958
1959   pending_rep->req_handle = NULL;
1960   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "profiler_reply_handle()\n");
1961   rps_peer = pending_rep->rps_peer;
1962   (void)GNUNET_asprintf(&file_name,
1963                         "/tmp/rps/received_ids-%u",
1964                         rps_peer->index);
1965
1966   (void)GNUNET_asprintf(&file_name_dh,
1967                         "/tmp/rps/diehard_input-%u",
1968                         rps_peer->index);
1969   (void)GNUNET_asprintf(&file_name_dhr,
1970                         "/tmp/rps/diehard_input_raw-%u",
1971                         rps_peer->index);
1972   (void)GNUNET_asprintf(&file_name_dhru,
1973                         "/tmp/rps/diehard_input_raw_aligned-%u",
1974                         rps_peer->index);
1975   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1976              "[%s] got %" PRIu64 " peers:\n",
1977              GNUNET_i2s(rps_peer->peer_id),
1978              n);
1979   for (i = 0; i < n; i++)
1980     {
1981       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
1982                  "%u: %s\n",
1983                  i,
1984                  GNUNET_i2s(&recv_peers[i]));
1985       tofile(file_name,
1986              "%s\n",
1987              GNUNET_i2s_full(&recv_peers[i]));
1988       rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get(peer_map, &recv_peers[i]);
1989       GNUNET_assert(NULL != rcv_rps_peer);
1990       tofile(file_name_dh,
1991              "%" PRIu32 "\n",
1992              (uint32_t)rcv_rps_peer->index);
1993 #ifdef TO_FILE
1994       to_file_raw(file_name_dhr,
1995                   (char *)&rcv_rps_peer->index,
1996                   sizeof(uint32_t));
1997       to_file_raw_unaligned(file_name_dhru,
1998                             (char *)&rcv_rps_peer->index,
1999                             sizeof(uint32_t),
2000                             bits_needed);
2001 #endif /* TO_FILE */
2002     }
2003   default_reply_handle(cls, n, recv_peers);
2004 }
2005
2006
2007 /**
2008  * Callback to call on receipt of a reply
2009  *
2010  * @param cls closure
2011  * @param n number of peers
2012  * @param recv_peers the received peers
2013  */
2014 static void
2015 profiler_reply_handle_info(void *cls,
2016                            const struct GNUNET_PeerIdentity *recv_peer,
2017                            double probability,
2018                            uint32_t num_observed)
2019 {
2020   struct RPSPeer *rps_peer;
2021   struct RPSPeer *rcv_rps_peer;
2022   char file_name_buf[128];
2023   char file_name_dh_buf[128];
2024   char file_name_dhr_buf[128];
2025   char file_name_dhru_buf[128];
2026   char *file_name = file_name_buf;
2027   char *file_name_dh = file_name_dh_buf;
2028   char *file_name_dhr = file_name_dhr_buf;
2029   char *file_name_dhru = file_name_dhru_buf;
2030   unsigned int i;
2031   struct PendingReply *pending_rep = (struct PendingReply *)cls;
2032
2033   pending_rep->req_handle = NULL;
2034   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "profiler_reply_handle()\n");
2035   rps_peer = pending_rep->rps_peer;
2036   (void)GNUNET_asprintf(&file_name,
2037                         "/tmp/rps/received_ids-%u",
2038                         rps_peer->index);
2039
2040   (void)GNUNET_asprintf(&file_name_dh,
2041                         "/tmp/rps/diehard_input-%u",
2042                         rps_peer->index);
2043   (void)GNUNET_asprintf(&file_name_dhr,
2044                         "/tmp/rps/diehard_input_raw-%u",
2045                         rps_peer->index);
2046   (void)GNUNET_asprintf(&file_name_dhru,
2047                         "/tmp/rps/diehard_input_raw_aligned-%u",
2048                         rps_peer->index);
2049   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2050              "[%s] got peer with info:\n",
2051              GNUNET_i2s(rps_peer->peer_id));
2052   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2053              "  %s\n",
2054              GNUNET_i2s(recv_peer));
2055   tofile(file_name,
2056          "%s %d %" PRIu32 " \n",
2057          GNUNET_i2s_full(recv_peer),
2058          probability,
2059          num_observed);
2060   rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get(peer_map, recv_peer);
2061   GNUNET_assert(NULL != rcv_rps_peer);
2062   tofile(file_name_dh,
2063          "%" PRIu32 "\n",
2064          (uint32_t)rcv_rps_peer->index);
2065 #ifdef TO_FILE
2066   to_file_raw(file_name_dhr,
2067               (char *)&rcv_rps_peer->index,
2068               sizeof(uint32_t));
2069   to_file_raw_unaligned(file_name_dhru,
2070                         (char *)&rcv_rps_peer->index,
2071                         sizeof(uint32_t),
2072                         bits_needed);
2073 #endif /* TO_FILE */
2074   default_reply_handle(cls, 1, recv_peer);
2075 }
2076
2077
2078 static void
2079 profiler_cb(struct RPSPeer *rps_peer)
2080 {
2081   if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
2082     {
2083       return;
2084     }
2085
2086   /* Start churn */
2087   if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
2088     {
2089       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2090                  "Starting churn task\n");
2091       churn_task = GNUNET_SCHEDULER_add_delayed(
2092         GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5),
2093         churn,
2094         NULL);
2095     }
2096   else
2097     {
2098       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2099                  "Not starting churn task\n");
2100     }
2101
2102   /* Only request peer ids at one peer.
2103    * (It's the before-last because last one is target of the focussed attack.)
2104    */
2105   if (0 < rps_peer->num_ids_to_request)
2106     schedule_missing_requests(rps_peer);
2107 }
2108
2109 /**
2110  * Function called from #profiler_eval with a filename.
2111  *
2112  * @param cls closure
2113  * @param filename complete filename (absolute path)
2114  * @return #GNUNET_OK to continue to iterate,
2115  *  #GNUNET_NO to stop iteration with no error,
2116  *  #GNUNET_SYSERR to abort iteration with error!
2117  */
2118 static int
2119 file_name_cb(void *cls, const char *filename)
2120 {
2121   if (NULL != strstr(filename, "sampler_el"))
2122     {
2123       struct RPS_SamplerElement *s_elem;
2124       struct GNUNET_CRYPTO_AuthKey auth_key;
2125       const char *key_char;
2126       uint32_t i;
2127       (void)cls;
2128
2129       key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */
2130       tofile(filename, "--------------------------\n");
2131
2132       auth_key = string_to_auth_key(key_char);
2133       s_elem = RPS_sampler_elem_create();
2134       RPS_sampler_elem_set(s_elem, auth_key);
2135
2136       for (i = 0; i < num_peers; i++)
2137         {
2138           RPS_sampler_elem_next(s_elem, &rps_peer_ids[i]);
2139         }
2140       RPS_sampler_elem_destroy(s_elem);
2141     }
2142   return GNUNET_OK;
2143 }
2144
2145 /**
2146  * This is run after the test finished.
2147  *
2148  * Compute all perfect samples.
2149  */
2150 static int
2151 profiler_eval(void)
2152 {
2153 #ifdef TO_FILE
2154   /* Compute perfect sample for each sampler element */
2155   if (-1 == GNUNET_DISK_directory_scan("/tmp/rps/", file_name_cb, NULL))
2156     {
2157       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
2158     }
2159 #endif /* TO_FILE */
2160
2161   return evaluate();
2162 }
2163
2164
2165 /** @brief is b in view of a?
2166  *
2167  * @param a
2168  * @param b
2169  *
2170  * @return
2171  */
2172 static int is_in_view(uint32_t a, uint32_t b)
2173 {
2174   uint32_t i;
2175
2176   for (i = 0; i < rps_peers[a].cur_view_count; i++)
2177     {
2178       if (0 == memcmp(rps_peers[b].peer_id,
2179                       &rps_peers[a].cur_view[i],
2180                       sizeof(struct GNUNET_PeerIdentity)))
2181         {
2182           return GNUNET_YES;
2183         }
2184     }
2185   return GNUNET_NO;
2186 }
2187
2188 static uint32_t get_idx_of_pid(const struct GNUNET_PeerIdentity *pid)
2189 {
2190   uint32_t i;
2191
2192   for (i = 0; i < num_peers; i++)
2193     {
2194       if (0 == memcmp(pid,
2195                       rps_peers[i].peer_id,
2196                       sizeof(struct GNUNET_PeerIdentity)))
2197         {
2198           return i;
2199         }
2200     }
2201   //return 0; /* Should not happen - make compiler happy */
2202   GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
2203              "No known _PeerIdentity %s!\n",
2204              GNUNET_i2s_full(pid));
2205   GNUNET_assert(0);
2206 }
2207
2208 /**
2209  * @brief Counts number of peers in view of a that have b in their view
2210  *
2211  * @param a
2212  * @param uint32_tb
2213  *
2214  * @return
2215  */
2216 static uint32_t count_containing_views(uint32_t a, uint32_t b)
2217 {
2218   uint32_t i;
2219   uint32_t peer_idx;
2220   uint32_t count = 0;
2221
2222   for (i = 0; i < rps_peers[a].cur_view_count; i++)
2223     {
2224       peer_idx = get_idx_of_pid(&rps_peers[a].cur_view[i]);
2225       if (GNUNET_YES == is_in_view(peer_idx, b))
2226         {
2227           count++;
2228         }
2229     }
2230   return count;
2231 }
2232
2233 /**
2234  * @brief Computes the probability for each other peer to be selected by the
2235  * sampling process based on the views of all peers
2236  *
2237  * @param peer_idx index of the peer that is about to sample
2238  */
2239 static void compute_probabilities(uint32_t peer_idx)
2240 {
2241   //double probs[num_peers] = { 0 };
2242   double probs[num_peers];
2243   double probs_hist[num_peers]; /* Probability respecting the history */
2244   size_t probs_as_str_size = (num_peers * 10 + 2) * sizeof(char);
2245   char *probs_as_str = GNUNET_malloc(probs_as_str_size);
2246   char *probs_as_str_cpy;
2247   uint32_t i;
2248   double prob_push;
2249   double prob_pull;
2250   uint32_t view_size;
2251   uint32_t cont_views;
2252   uint32_t number_of_being_in_pull_events;
2253   int tmp;
2254   double sum_non_zero_prob = 0;
2255   double sum_non_zero_prob_hist = 0;
2256
2257   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2258              "Computing probabilities for peer %" PRIu32 "\n", peer_idx);
2259   /* Firstly without knowledge of old views */
2260   for (i = 0; i < num_peers; i++)
2261     {
2262       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2263                  "\tfor peer %" PRIu32 ":\n", i);
2264       view_size = rps_peers[i].cur_view_count;
2265       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2266                  "\t\tview_size: %" PRIu32 "\n", view_size);
2267       /* For peer i the probability of being sampled is
2268        * evenly distributed among all possibly observed peers. */
2269       /* We could have observed a peer in three cases:
2270        *   1. peer sent a push
2271        *   2. peer was contained in a pull reply
2272        *   3. peer was in history (sampler) - ignored for now */
2273       /* 1. Probability of having received a push from peer i */
2274       if ((GNUNET_YES == is_in_view(i, peer_idx)) &&
2275           (1 <= (0.45 * view_size)))
2276         {
2277           if (0 == binom(view_size, 0.45 * view_size))
2278             prob_push = 0;
2279           else
2280             {
2281               prob_push = 1.0 * binom(0.45 * view_size, 1)
2282                           /
2283                           binom(view_size, 0.45 * view_size);
2284             }
2285           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2286                      "\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n",
2287                      peer_idx,
2288                      i,
2289                      prob_push);
2290           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2291                      "\t\tposs choices from view: %" PRIu32 ", containing i: %" PRIu32 "\n",
2292                      binom(view_size, 0.45 * view_size),
2293                      binom(0.45 * view_size, 1));
2294         }
2295       else
2296         {
2297           prob_push = 0;
2298           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2299                      "\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n",
2300                      peer_idx,
2301                      i);
2302         }
2303       /* 2. Probability of peer i being contained in pulls */
2304       view_size = rps_peers[peer_idx].cur_view_count;
2305       cont_views = count_containing_views(peer_idx, i);
2306       number_of_being_in_pull_events =
2307         (binom(view_size, 0.45 * view_size) -
2308          binom(view_size - cont_views, 0.45 * view_size));
2309       if (0 != number_of_being_in_pull_events)
2310         {
2311           prob_pull = number_of_being_in_pull_events
2312                       /
2313                       (1.0 * binom(view_size, 0.45 * view_size));
2314         }
2315       else
2316         {
2317           prob_pull = 0;
2318         }
2319       probs[i] = prob_push + prob_pull - (prob_push * prob_pull);
2320       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2321                  "\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32
2322                  " peers in its view who know %" PRIu32 " prob: %f\n",
2323                  peer_idx,
2324                  cont_views,
2325                  view_size,
2326                  i,
2327                  prob_pull);
2328       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2329                  "\t\tnumber of possible pull combinations: %" PRIu32 "\n",
2330                  binom(view_size, 0.45 * view_size));
2331       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2332                  "\t\tnumber of possible pull combinations without %" PRIu32
2333                  ": %" PRIu32 "\n",
2334                  i,
2335                  binom(view_size - cont_views, 0.45 * view_size));
2336       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2337                  "\t\tnumber of possible pull combinations with %" PRIu32
2338                  ": %" PRIu32 "\n",
2339                  i,
2340                  number_of_being_in_pull_events);
2341
2342       probs_hist[i] = 0.9 * rps_peers[peer_idx].eval_probs_cache[i] + probs[i];
2343       rps_peers[peer_idx].eval_probs_cache[i] = probs_hist[i];
2344
2345       sum_non_zero_prob += probs[i];
2346       sum_non_zero_prob_hist += probs_hist[i];
2347     }
2348   /* normalize */
2349   if (0 != sum_non_zero_prob)
2350     {
2351       for (i = 0; i < num_peers; i++)
2352         {
2353           probs[i] = probs[i] * (1.0 / sum_non_zero_prob);
2354         }
2355     }
2356   if (0 != sum_non_zero_prob_hist)
2357     {
2358       for (i = 0; i < num_peers; i++)
2359         {
2360           probs_hist[i] = probs_hist[i] * (1.0 / sum_non_zero_prob_hist);
2361         }
2362     }
2363
2364   /* str repr */
2365   for (i = 0; i < num_peers; i++)
2366     {
2367       probs_as_str_cpy = GNUNET_strndup(probs_as_str, probs_as_str_size);
2368       tmp = GNUNET_snprintf(probs_as_str,
2369                             probs_as_str_size,
2370                             "%s %7.6f", probs_as_str_cpy, probs[i]);
2371       GNUNET_free(probs_as_str_cpy);
2372       GNUNET_assert(0 <= tmp);
2373     }
2374
2375   to_file_w_len(rps_peers[peer_idx].file_name_probs,
2376                 probs_as_str_size,
2377                 probs_as_str);
2378
2379   probs_as_str[0] = '\0';
2380   for (i = 0; i < num_peers; i++)
2381     {
2382       probs_as_str_cpy = GNUNET_strndup(probs_as_str, probs_as_str_size);
2383       tmp = GNUNET_snprintf(probs_as_str,
2384                             probs_as_str_size,
2385                             "%s %7.6f", probs_as_str_cpy, probs_hist[i]);
2386       GNUNET_free(probs_as_str_cpy);
2387       GNUNET_assert(0 <= tmp);
2388     }
2389
2390   to_file_w_len(rps_peers[peer_idx].file_name_probs_hist,
2391                 probs_as_str_size,
2392                 probs_as_str);
2393   GNUNET_free(probs_as_str);
2394 }
2395
2396 /**
2397  * @brief This counts the number of peers in which views a given peer occurs.
2398  *
2399  * It also stores this value in the rps peer.
2400  *
2401  * @param peer_idx the index of the peer to count the representation
2402  *
2403  * @return the number of occurrences
2404  */
2405 static uint32_t count_peer_in_views_2(uint32_t peer_idx)
2406 {
2407   uint32_t i, j;
2408   uint32_t count = 0;
2409
2410   for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2411     {
2412       for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2413         {
2414           if (0 == memcmp(rps_peers[peer_idx].peer_id,
2415                           &rps_peers[i].cur_view[j],
2416                           sizeof(struct GNUNET_PeerIdentity)))
2417             {
2418               count++;
2419               break;
2420             }
2421         }
2422     }
2423   rps_peers[peer_idx].count_in_views = count;
2424   return count;
2425 }
2426
2427 static uint32_t cumulated_view_sizes()
2428 {
2429   uint32_t i;
2430
2431   view_sizes = 0;
2432   for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2433     {
2434       view_sizes += rps_peers[i].cur_view_count;
2435     }
2436   return view_sizes;
2437 }
2438
2439 static void count_peer_in_views(uint32_t *count_peers)
2440 {
2441   uint32_t i, j;
2442
2443   for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2444     {
2445       for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2446         {
2447           if (0 == memcmp(rps_peers[i].peer_id,
2448                           &rps_peers[i].cur_view[j],
2449                           sizeof(struct GNUNET_PeerIdentity)))
2450             {
2451               count_peers[i]++;
2452             }
2453         }
2454     }
2455 }
2456
2457 void compute_diversity()
2458 {
2459   uint32_t i;
2460   /* ith entry represents the numer of occurrences in other peer's views */
2461   uint32_t *count_peers = GNUNET_new_array(num_peers, uint32_t);
2462   uint32_t views_total_size;
2463   double expected;
2464   /* deviation from expected number of peers */
2465   double *deviation = GNUNET_new_array(num_peers, double);
2466
2467   views_total_size = 0;
2468   expected = 0;
2469
2470   /* For each peer count its representation in other peer's views*/
2471   for (i = 0; i < num_peers; i++) /* Peer to count */
2472     {
2473       views_total_size += rps_peers[i].cur_view_count;
2474       count_peer_in_views(count_peers);
2475       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2476                  "Counted representation of %" PRIu32 "th peer [%s]: %" PRIu32 "\n",
2477                  i,
2478                  GNUNET_i2s(rps_peers[i].peer_id),
2479                  count_peers[i]);
2480     }
2481
2482   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2483              "size of all views combined: %" PRIu32 "\n",
2484              views_total_size);
2485   expected = ((double)1 / num_peers) * views_total_size;
2486   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2487              "Expected number of occurrences of each peer in all views: %f\n",
2488              expected);
2489   for (i = 0; i < num_peers; i++) /* Peer to count */
2490     {
2491       deviation[i] = expected - count_peers[i];
2492       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2493                  "Deviation from expectation: %f\n", deviation[i]);
2494     }
2495   GNUNET_free(count_peers);
2496   GNUNET_free(deviation);
2497 }
2498
2499 void print_view_sizes()
2500 {
2501   uint32_t i;
2502
2503   for (i = 0; i < num_peers; i++) /* Peer to count */
2504     {
2505       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2506                  "View size of %" PRIu32 ". [%s] is %" PRIu32 "\n",
2507                  i,
2508                  GNUNET_i2s(rps_peers[i].peer_id),
2509                  rps_peers[i].cur_view_count);
2510     }
2511 }
2512
2513 void all_views_updated_cb()
2514 {
2515   compute_diversity();
2516   print_view_sizes();
2517 }
2518
2519 void view_update_cb(void *cls,
2520                     uint64_t view_size,
2521                     const struct GNUNET_PeerIdentity *peers)
2522 {
2523   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2524              "View was updated (%" PRIu64 ")\n", view_size);
2525   struct RPSPeer *rps_peer = (struct RPSPeer *)cls;
2526   to_file("/tmp/rps/view_sizes.txt",
2527           "%" PRIu64 " %" PRIu32 "",
2528           rps_peer->index,
2529           view_size);
2530   for (uint64_t i = 0; i < view_size; i++)
2531     {
2532       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2533                  "\t%s\n", GNUNET_i2s(&peers[i]));
2534     }
2535   GNUNET_array_grow(rps_peer->cur_view,
2536                     rps_peer->cur_view_count,
2537                     view_size);
2538   //*rps_peer->cur_view = *peers;
2539   GNUNET_memcpy(rps_peer->cur_view,
2540                 peers,
2541                 view_size * sizeof(struct GNUNET_PeerIdentity));
2542   to_file("/tmp/rps/count_in_views.txt",
2543           "%" PRIu64 " %" PRIu32 "",
2544           rps_peer->index,
2545           count_peer_in_views_2(rps_peer->index));
2546   cumulated_view_sizes();
2547   if (0 != view_size)
2548     {
2549       to_file("/tmp/rps/repr.txt",
2550               "%" PRIu64 /* index */
2551               " %" PRIu32 /* occurrence in views */
2552               " %" PRIu32 /* view sizes */
2553               " %f" /* fraction of repr in views */
2554               " %f" /* average view size */
2555               " %f" /* prob of occurrence in view slot */
2556               " %f" "", /* exp frac of repr in views */
2557               rps_peer->index,
2558               count_peer_in_views_2(rps_peer->index),
2559               view_sizes,
2560               count_peer_in_views_2(rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
2561               view_sizes / (view_size * 1.0), /* average view size */
2562               1.0 / view_size, /* prob of occurrence in view slot */
2563               (1.0 / view_size) * (view_sizes / view_size) /* expected fraction of repr in views */
2564               );
2565     }
2566   compute_probabilities(rps_peer->index);
2567   all_views_updated_cb();
2568 }
2569
2570 static void
2571 pre_profiler(struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
2572 {
2573   rps_peer->file_name_probs =
2574     store_prefix_file_name(rps_peer->index, "probs");
2575   rps_peer->file_name_probs_hist =
2576     store_prefix_file_name(rps_peer->index, "probs_hist");
2577   GNUNET_RPS_view_request(h, 0, view_update_cb, rps_peer);
2578 }
2579
2580 void write_final_stats(void)
2581 {
2582   uint64_t sums[STAT_TYPE_MAX] = { 0 };
2583
2584   for (uint32_t i = 0; i < num_peers; i++)
2585     {
2586       to_file("/tmp/rps/final_stats.csv",
2587               "%" PRIu32 ", " /* index */
2588               "%s, %" /* id */
2589               PRIu64 ", %" /* rounds */
2590               PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" /* blocking */
2591               PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" /* issued */
2592               PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" /* sent */
2593               PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" /* recv */
2594               PRIu64 ", %" /* view size */
2595               PRIu64 ", %" /* known peers */
2596               PRIu64 ", %" /* valid peers */
2597               PRIu64 ", %" /* learned peers */
2598               PRIu64 ", %" /* pending online checks */
2599               PRIu64 ", %" /* unrequested pull replies */
2600               PRIu64 ", %" /* peers in push map */
2601               PRIu64 ", %" /* peers in pull map */
2602               PRIu64 ", %" /* peers in view */
2603               PRIu64 "\n" /* view size aim */,
2604               i,
2605               GNUNET_i2s(rps_peers[i].peer_id),
2606               rps_peers[i].stats[STAT_TYPE_ROUNDS],
2607               rps_peers[i].stats[STAT_TYPE_BLOCKS],
2608               rps_peers[i].stats[STAT_TYPE_BLOCKS_MANY_PUSH],
2609               rps_peers[i].stats[STAT_TYPE_BLOCKS_NO_PUSH],
2610               rps_peers[i].stats[STAT_TYPE_BLOCKS_NO_PULL],
2611               rps_peers[i].stats[STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL],
2612               rps_peers[i].stats[STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL],
2613               rps_peers[i].stats[STAT_TYPE_ISSUED_PUSH_SEND],
2614               rps_peers[i].stats[STAT_TYPE_ISSUED_PUSH_SEND_MH],
2615               rps_peers[i].stats[STAT_TYPE_ISSUED_PULL_REQ],
2616               rps_peers[i].stats[STAT_TYPE_ISSUED_PULL_REQ_MH],
2617               rps_peers[i].stats[STAT_TYPE_ISSUED_PULL_REP],
2618               rps_peers[i].stats[STAT_TYPE_SENT_PUSH_SEND],
2619               rps_peers[i].stats[STAT_TYPE_SENT_PULL_REQ],
2620               rps_peers[i].stats[STAT_TYPE_SENT_PULL_REQ_MH],
2621               rps_peers[i].stats[STAT_TYPE_SENT_PULL_REP],
2622               rps_peers[i].stats[STAT_TYPE_RECV_PUSH_SEND],
2623               rps_peers[i].stats[STAT_TYPE_RECV_PUSH_SEND_MH],
2624               rps_peers[i].stats[STAT_TYPE_RECV_PULL_REQ],
2625               rps_peers[i].stats[STAT_TYPE_RECV_PULL_REQ_MH],
2626               rps_peers[i].stats[STAT_TYPE_RECV_PULL_REP_MH],
2627               rps_peers[i].stats[STAT_TYPE_RECV_PULL_REP],
2628               rps_peers[i].stats[STAT_TYPE_VIEW_SIZE],
2629               rps_peers[i].stats[STAT_TYPE_KNOWN_PEERS],
2630               rps_peers[i].stats[STAT_TYPE_VALID_PEERS],
2631               rps_peers[i].stats[STAT_TYPE_LEARND_PEERS],
2632               rps_peers[i].stats[STAT_TYPE_PENDING_ONLINE_CHECKS],
2633               rps_peers[i].stats[STAT_TYPE_UNREQUESTED_PULL_REPLIES],
2634               rps_peers[i].stats[STAT_TYPE_PEERS_IN_PUSH_MAP],
2635               rps_peers[i].stats[STAT_TYPE_PEERS_IN_PULL_MAP],
2636               rps_peers[i].stats[STAT_TYPE_PEERS_IN_VIEW],
2637               rps_peers[i].stats[STAT_TYPE_VIEW_SIZE_AIM]);
2638       for (enum STAT_TYPE stat_type = STAT_TYPE_ROUNDS;
2639            stat_type < STAT_TYPE_MAX;
2640            stat_type++)
2641         {
2642           sums[stat_type] += rps_peers[i].stats[stat_type];
2643         }
2644     }
2645   to_file("/tmp/rps/final_stats.dat",
2646           "SUM %"
2647           PRIu64 " %"  /* rounds */
2648           PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %"  /* blocking */
2649           PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %"  /* issued */
2650           PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %"  /* sent */
2651           PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %" PRIu64 ", %"  /* recv */
2652           PRIu64 ", %"  /* view size */
2653           PRIu64 ", %"  /* known peers */
2654           PRIu64 ", %"  /* valid peers */
2655           PRIu64 ", %"  /* learned peers */
2656           PRIu64 ", %"  /* pending online checks */
2657           PRIu64 ", %"  /* unrequested pull replies */
2658           PRIu64 ", %"  /* peers in push map */
2659           PRIu64 ", %"  /* peers in pull map */
2660           PRIu64 ", %"  /* peers in view */
2661           PRIu64 "\n" /* view size aim */,
2662           sums[STAT_TYPE_ROUNDS],
2663           sums[STAT_TYPE_BLOCKS],
2664           sums[STAT_TYPE_BLOCKS_MANY_PUSH],
2665           sums[STAT_TYPE_BLOCKS_NO_PUSH],
2666           sums[STAT_TYPE_BLOCKS_NO_PULL],
2667           sums[STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL],
2668           sums[STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL],
2669           sums[STAT_TYPE_ISSUED_PUSH_SEND],
2670           sums[STAT_TYPE_ISSUED_PUSH_SEND_MH],
2671           sums[STAT_TYPE_ISSUED_PULL_REQ],
2672           sums[STAT_TYPE_ISSUED_PULL_REQ_MH],
2673           sums[STAT_TYPE_ISSUED_PULL_REP],
2674           sums[STAT_TYPE_SENT_PUSH_SEND],
2675           sums[STAT_TYPE_SENT_PULL_REQ],
2676           sums[STAT_TYPE_SENT_PULL_REQ_MH],
2677           sums[STAT_TYPE_SENT_PULL_REP],
2678           sums[STAT_TYPE_RECV_PUSH_SEND],
2679           sums[STAT_TYPE_RECV_PUSH_SEND_MH],
2680           sums[STAT_TYPE_RECV_PULL_REQ],
2681           sums[STAT_TYPE_RECV_PULL_REQ_MH],
2682           sums[STAT_TYPE_RECV_PULL_REP],
2683           sums[STAT_TYPE_RECV_PULL_REP_MH],
2684           sums[STAT_TYPE_VIEW_SIZE],
2685           sums[STAT_TYPE_KNOWN_PEERS],
2686           sums[STAT_TYPE_VALID_PEERS],
2687           sums[STAT_TYPE_LEARND_PEERS],
2688           sums[STAT_TYPE_PENDING_ONLINE_CHECKS],
2689           sums[STAT_TYPE_UNREQUESTED_PULL_REPLIES],
2690           sums[STAT_TYPE_PEERS_IN_PUSH_MAP],
2691           sums[STAT_TYPE_PEERS_IN_PULL_MAP],
2692           sums[STAT_TYPE_PEERS_IN_VIEW],
2693           sums[STAT_TYPE_VIEW_SIZE_AIM]);
2694 }
2695
2696 /**
2697  * Continuation called by #GNUNET_STATISTICS_get() functions.
2698  *
2699  * Remembers that this specific statistics value was received for this peer.
2700  * Checks whether all peers received their statistics yet.
2701  * Issues the shutdown.
2702  *
2703  * @param cls closure
2704  * @param success #GNUNET_OK if statistics were
2705  *        successfully obtained, #GNUNET_SYSERR if not.
2706  */
2707 void
2708 post_test_shutdown_ready_cb(void *cls,
2709                             int success)
2710 {
2711   struct STATcls *stat_cls = (struct STATcls *)cls;
2712   struct RPSPeer *rps_peer = stat_cls->rps_peer;
2713
2714   rps_peer->h_stat_get[stat_cls->stat_type] = NULL;
2715   if (GNUNET_OK == success)
2716     {
2717       /* set flag that we we got the value */
2718       rps_peer->stat_collected_flags |= BIT(stat_cls->stat_type);
2719     }
2720   else
2721     {
2722       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
2723                  "Peer %u did not receive statistics value\n",
2724                  rps_peer->index);
2725       GNUNET_free(stat_cls);
2726       GNUNET_break(0);
2727       return;
2728     }
2729
2730   if (NULL != rps_peer->stat_op &&
2731       GNUNET_YES == check_statistics_collect_completed_single_peer(rps_peer))
2732     {
2733       GNUNET_TESTBED_operation_done(rps_peer->stat_op);
2734     }
2735
2736   write_final_stats();
2737   if (GNUNET_YES == check_statistics_collect_completed())
2738     {
2739       //write_final_stats ();
2740       GNUNET_free(stat_cls);
2741       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2742                  "Shutting down\n");
2743       GNUNET_SCHEDULER_shutdown();
2744     }
2745   else
2746     {
2747       GNUNET_free(stat_cls);
2748     }
2749 }
2750
2751 /**
2752  * Callback function to process statistic values.
2753  *
2754  * @param cls closure
2755  * @param subsystem name of subsystem that created the statistic
2756  * @param name the name of the datum
2757  * @param value the current value
2758  * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
2759  * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
2760  */
2761 int
2762 stat_iterator(void *cls,
2763               const char *subsystem,
2764               const char *name,
2765               uint64_t value,
2766               int is_persistent)
2767 {
2768   const struct STATcls *stat_cls = (const struct STATcls *)cls;
2769   struct RPSPeer *rps_peer = (struct RPSPeer *)stat_cls->rps_peer;
2770   enum STAT_TYPE stat_type;
2771
2772   (void)subsystem;
2773   (void)is_persistent;
2774
2775   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2776              "Got stat value: %s - %" PRIu64 " (%u)\n",
2777              name,
2778              value,
2779              rps_peer->index);
2780   to_file(rps_peer->file_name_stats,
2781           "%s: %" PRIu64 "\n",
2782           name,
2783           value);
2784   stat_type = stat_str_2_type(name);
2785   GNUNET_assert(STAT_TYPE_ROUNDS <= stat_type &&
2786                 STAT_TYPE_MAX > stat_type);
2787   rps_peer->stats[stat_type] = value;
2788   return GNUNET_OK;
2789 }
2790
2791
2792 void
2793 post_profiler(struct RPSPeer *rps_peer)
2794 {
2795   if (COLLECT_STATISTICS != cur_test_run.have_collect_statistics)
2796     {
2797       return;
2798     }
2799
2800   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2801              "Going to request statistic values with mask 0x%" PRIx32 "\n",
2802              cur_test_run.stat_collect_flags);
2803
2804   struct STATcls *stat_cls;
2805   uint32_t stat_type;
2806   for (stat_type = STAT_TYPE_ROUNDS;
2807        stat_type < STAT_TYPE_MAX;
2808        stat_type++)
2809     {
2810       if (BIT(stat_type) & cur_test_run.stat_collect_flags)
2811         {
2812           stat_cls = GNUNET_malloc(sizeof(struct STATcls));
2813           stat_cls->rps_peer = rps_peer;
2814           stat_cls->stat_type = stat_type;
2815           rps_peer->file_name_stats =
2816             store_prefix_file_name(rps_peer->peer_id, "stats");
2817           rps_peer->h_stat_get[stat_type] =
2818             GNUNET_STATISTICS_get(rps_peer->stats_h,
2819                                   "rps",
2820                                   stat_type_strings [stat_type],
2821                                   post_test_shutdown_ready_cb,
2822                                   stat_iterator,
2823                                   (struct STATcls *)stat_cls);
2824           GNUNET_assert(NULL != rps_peer->h_stat_get);
2825           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2826                      "Requested statistics for %s (peer %" PRIu32 ")\n",
2827                      stat_type_strings [stat_type],
2828                      rps_peer->index);
2829         }
2830     }
2831   GNUNET_free(rps_peer->eval_probs_cache);
2832 }
2833
2834
2835 /***********************************************************************
2836 * /Definition of tests
2837 ***********************************************************************/
2838
2839
2840 /**
2841  * Actual "main" function for the testcase.
2842  *
2843  * @param cls closure
2844  * @param h the run handle
2845  * @param n_peers number of peers in 'peers'
2846  * @param peers handle to peers run in the testbed
2847  * @param links_succeeded the number of overlay link connection attempts that
2848  *          succeeded
2849  * @param links_failed the number of overlay link connection attempts that
2850  *          failed
2851  */
2852 static void
2853 test_run(void *cls,
2854          struct GNUNET_TESTBED_RunHandle *h,
2855          unsigned int n_peers,
2856          struct GNUNET_TESTBED_Peer **peers,
2857          unsigned int links_succeeded,
2858          unsigned int links_failed)
2859 {
2860   unsigned int i;
2861   struct OpListEntry *entry;
2862
2863   (void)cls;
2864   (void)h;
2865   (void)links_failed;
2866
2867   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n");
2868
2869   /* Check whether we timed out */
2870   if (n_peers != num_peers ||
2871       NULL == peers ||
2872       0 == links_succeeded)
2873     {
2874       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Going down due to args (eg. timeout)\n");
2875       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers);
2876       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n", num_peers);
2877       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers);
2878       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n", links_succeeded);
2879       ok = 1;
2880       GNUNET_SCHEDULER_shutdown();
2881       return;
2882     }
2883
2884
2885   /* Initialize peers */
2886   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "going to initialise peers\n");
2887   testbed_peers = peers;
2888   num_peers_online = 0;
2889   for (i = 0; i < num_peers; i++)
2890     {
2891       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "initialising %u\n", i);
2892       entry = make_oplist_entry();
2893       entry->index = i;
2894       rps_peers[i].index = i;
2895       if (NULL != cur_test_run.init_peer)
2896         cur_test_run.init_peer(&rps_peers[i]);
2897       if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2898         {
2899           rps_peers->cur_view_count = 0;
2900           rps_peers->cur_view = NULL;
2901         }
2902       entry->op = GNUNET_TESTBED_peer_get_information(peers[i],
2903                                                       GNUNET_TESTBED_PIT_IDENTITY,
2904                                                       &info_cb,
2905                                                       entry);
2906     }
2907
2908   /* Bring peers up */
2909   GNUNET_assert(num_peers == n_peers);
2910   for (i = 0; i < n_peers; i++)
2911     {
2912       rps_peers[i].index = i;
2913       rps_peers[i].op =
2914         GNUNET_TESTBED_service_connect(&rps_peers[i],
2915                                        peers[i],
2916                                        "rps",
2917                                        &rps_connect_complete_cb,
2918                                        &rps_peers[i],
2919                                        &rps_connect_adapter,
2920                                        &rps_disconnect_adapter,
2921                                        &rps_peers[i]);
2922       /* Connect all peers to statistics service */
2923       if (COLLECT_STATISTICS == cur_test_run.have_collect_statistics)
2924         {
2925           GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
2926                      "Connecting to statistics service\n");
2927           rps_peers[i].stat_op =
2928             GNUNET_TESTBED_service_connect(NULL,
2929                                            peers[i],
2930                                            "statistics",
2931                                            stat_complete_cb,
2932                                            &rps_peers[i],
2933                                            &stat_connect_adapter,
2934                                            &stat_disconnect_adapter,
2935                                            &rps_peers[i]);
2936         }
2937     }
2938
2939   if (NULL != churn_task)
2940     GNUNET_SCHEDULER_cancel(churn_task);
2941   post_test_task = GNUNET_SCHEDULER_add_delayed(duration, &post_test_op, NULL);
2942   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "timeout for shutdown is %lu\n", timeout.rel_value_us / 1000000);
2943   shutdown_task = GNUNET_SCHEDULER_add_delayed(timeout,
2944                                                &trigger_shutdown,
2945                                                NULL);
2946   GNUNET_SCHEDULER_add_shutdown(shutdown_op, NULL);
2947 }
2948
2949
2950 /**
2951  * Entry point for the testcase, sets up the testbed.
2952  *
2953  * @param argc unused
2954  * @param argv unused
2955  */
2956 static void
2957 run(void *cls,
2958     char *const *args,
2959     const char *cfgfile,
2960     const struct GNUNET_CONFIGURATION_Handle *cfg)
2961 {
2962   //int ret_value;
2963   (void)cls;
2964   (void)args;
2965   (void)cfgfile;
2966
2967   /* Defaults for tests */
2968   churn_task = NULL;
2969
2970   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
2971   cur_test_run.name = "test-rps-profiler";
2972   if (0 == num_peers)
2973     num_peers = 10;
2974   mal_type = 3;
2975   cur_test_run.init_peer = profiler_init_peer;
2976   //cur_test_run.pre_test = mal_pre;
2977   cur_test_run.pre_test = pre_profiler;
2978   cur_test_run.main_test = profiler_cb;
2979   cur_test_run.reply_handle = profiler_reply_handle;
2980   cur_test_run.eval_cb = profiler_eval;
2981   cur_test_run.post_test = post_profiler;
2982   cur_test_run.request_interval = 2;
2983   if (0 == cur_test_run.num_requests)
2984     cur_test_run.num_requests = 5;
2985   //cur_test_run.have_churn = HAVE_CHURN;
2986   cur_test_run.have_churn = HAVE_NO_CHURN;
2987   cur_test_run.have_quick_quit = HAVE_QUICK_QUIT;
2988   cur_test_run.have_collect_statistics = COLLECT_STATISTICS;
2989   cur_test_run.stat_collect_flags = BIT(STAT_TYPE_ROUNDS) |
2990                                     BIT(STAT_TYPE_BLOCKS) |
2991                                     BIT(STAT_TYPE_BLOCKS_MANY_PUSH) |
2992                                     BIT(STAT_TYPE_BLOCKS_NO_PUSH) |
2993                                     BIT(STAT_TYPE_BLOCKS_NO_PULL) |
2994                                     BIT(STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL) |
2995                                     BIT(STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL) |
2996                                     BIT(STAT_TYPE_ISSUED_PUSH_SEND) |
2997                                     BIT(STAT_TYPE_ISSUED_PUSH_SEND_MH) |
2998                                     BIT(STAT_TYPE_ISSUED_PULL_REQ) |
2999                                     BIT(STAT_TYPE_ISSUED_PULL_REQ_MH) |
3000                                     BIT(STAT_TYPE_ISSUED_PULL_REP) |
3001                                     BIT(STAT_TYPE_SENT_PUSH_SEND) |
3002                                     BIT(STAT_TYPE_SENT_PULL_REQ) |
3003                                     BIT(STAT_TYPE_SENT_PULL_REQ_MH) |
3004                                     BIT(STAT_TYPE_SENT_PULL_REP) |
3005                                     BIT(STAT_TYPE_RECV_PUSH_SEND) |
3006                                     BIT(STAT_TYPE_RECV_PUSH_SEND_MH) |
3007                                     BIT(STAT_TYPE_RECV_PULL_REQ) |
3008                                     BIT(STAT_TYPE_RECV_PULL_REQ_MH) |
3009                                     BIT(STAT_TYPE_RECV_PULL_REP) |
3010                                     BIT(STAT_TYPE_RECV_PULL_REP_MH) |
3011                                     BIT(STAT_TYPE_VIEW_SIZE) |
3012                                     BIT(STAT_TYPE_KNOWN_PEERS) |
3013                                     BIT(STAT_TYPE_VALID_PEERS) |
3014                                     BIT(STAT_TYPE_LEARND_PEERS) |
3015                                     BIT(STAT_TYPE_PENDING_ONLINE_CHECKS) |
3016                                     BIT(STAT_TYPE_UNREQUESTED_PULL_REPLIES) |
3017                                     BIT(STAT_TYPE_PEERS_IN_PUSH_MAP) |
3018                                     BIT(STAT_TYPE_PEERS_IN_PULL_MAP) |
3019                                     BIT(STAT_TYPE_PEERS_IN_VIEW) |
3020                                     BIT(STAT_TYPE_VIEW_SIZE_AIM);
3021   cur_test_run.have_collect_view = COLLECT_VIEW;
3022
3023   /* 'Clean' directory */
3024   (void)GNUNET_DISK_directory_remove("/tmp/rps/");
3025   GNUNET_DISK_directory_create("/tmp/rps/");
3026   if (0 == duration.rel_value_us)
3027     {
3028       if (0 == timeout.rel_value_us)
3029         {
3030           duration = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90);
3031           timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
3032                                                   (90 * 1.2) +
3033                                                   (0.01 * num_peers));
3034         }
3035       else
3036         {
3037           duration = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
3038                                                    (timeout.rel_value_us / 1000000)
3039                                                    * 0.75);
3040         }
3041     }
3042   else
3043     {
3044       if (0 == timeout.rel_value_us)
3045         {
3046           timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
3047                                                   ((duration.rel_value_us / 1000000)
3048                                                    * 1.2) + (0.01 * num_peers));
3049         }
3050     }
3051   GNUNET_assert(duration.rel_value_us < timeout.rel_value_us);
3052   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
3053              "duration is %lus\n",
3054              duration.rel_value_us / 1000000);
3055   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
3056              "timeout is %lus\n",
3057              timeout.rel_value_us / 1000000);
3058
3059   /* Compute number of bits for representing largest peer id */
3060   for (bits_needed = 1; (1 << bits_needed) < num_peers; bits_needed++)
3061     ;
3062   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
3063              "Need %u bits to represent %" PRIu32 " peers\n",
3064              bits_needed,
3065              num_peers);
3066
3067   rps_peers = GNUNET_new_array(num_peers, struct RPSPeer);
3068   peer_map = GNUNET_CONTAINER_multipeermap_create(num_peers, GNUNET_NO);
3069   rps_peer_ids = GNUNET_new_array(num_peers, struct GNUNET_PeerIdentity);
3070   if ((2 == mal_type) ||
3071       (3 == mal_type))
3072     target_peer = &rps_peer_ids[num_peers - 2];
3073
3074   ok = 1;
3075   GNUNET_TESTBED_run(NULL,
3076                      cfg,
3077                      num_peers,
3078                      0,  /* event mask */
3079                      NULL,
3080                      NULL,
3081                      &test_run,
3082                      NULL);
3083 }
3084
3085 /**
3086  * Entry point for the testcase, sets up the testbed.
3087  *
3088  * @param argc unused
3089  * @param argv unused
3090  * @return 0 on success
3091  */
3092 int
3093 main(int argc, char *argv[])
3094 {
3095   int ret_value;
3096   struct GNUNET_GETOPT_CommandLineOption options[] = {
3097     GNUNET_GETOPT_option_uint('n',
3098                               "num-peers",
3099                               "COUNT",
3100                               gettext_noop("number of peers to start"),
3101                               &num_peers),
3102     GNUNET_GETOPT_option_relative_time('d',
3103                                        "duration",
3104                                        "DURATION",
3105                                        gettext_noop("duration of the profiling"),
3106                                        &duration),
3107     GNUNET_GETOPT_option_relative_time('t',
3108                                        "timeout",
3109                                        "TIMEOUT",
3110                                        gettext_noop("timeout for the profiling"),
3111                                        &timeout),
3112     GNUNET_GETOPT_option_uint('r',
3113                               "num-requests",
3114                               "COUNT",
3115                               gettext_noop("number of PeerIDs to request"),
3116                               &cur_test_run.num_requests),
3117     GNUNET_GETOPT_OPTION_END
3118   };
3119
3120   unsetenv("XDG_DATA_HOME");
3121   unsetenv("XDG_CONFIG_HOME");
3122   //if (GNUNET_OK !=
3123   //    GNUNET_STRINGS_get_utf8_args (argc, argv,
3124   //                                  &argc, &argv))
3125   //  return 2;
3126   ret_value = 0;
3127   if (GNUNET_OK !=
3128       GNUNET_PROGRAM_run(argc,
3129                          argv,
3130                          "gnunet-rps-profiler",
3131                          gettext_noop("Measure quality and performance of the RPS service."),
3132                          options,
3133                          &run,
3134                          NULL))
3135     {
3136       ret_value = 1;
3137     }
3138   if (0 != ret_value)
3139     {
3140       GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
3141                  "Test did not run successfully!\n");
3142     }
3143   else
3144     {
3145       ret_value = cur_test_run.eval_cb();
3146       if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
3147         {
3148           GNUNET_array_grow(rps_peers->cur_view,
3149                             rps_peers->cur_view_count,
3150                             0);
3151         }
3152       GNUNET_free(rps_peers);
3153       GNUNET_free(rps_peer_ids);
3154       GNUNET_CONTAINER_multipeermap_destroy(peer_map);
3155     }
3156   return ret_value;
3157 }
3158
3159 /* end of test_rps.c */