src/mc/mc_api.cpp

   1 #include "mc_api.hpp"
   2
   3 #include "src/kernel/activity/MailboxImpl.hpp"
   4 #include "src/mc/Session.hpp"
   5 #include "src/mc/mc_comm_pattern.hpp"
   6 #include "src/mc/mc_private.hpp"
   7 #include "src/mc/mc_record.hpp"
   8 #include "src/mc/mc_smx.hpp"
   9 #include "src/mc/remote/RemoteSimulation.hpp"
  10 #include "src/mc/mc_pattern.hpp"
  11 #include "src/mc/checker/SimcallInspector.hpp"
  12
  13 #include <xbt/asserts.h>
  14 #include <xbt/log.h>
  15
  16 #if HAVE_SMPI
  17 #include "src/smpi/include/smpi_request.hpp"
  18 #endif
  19
  20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_api, mc, "Logging specific to MC Fasade APIs ");
  21
  22 using Simcall = simgrid::simix::Simcall;
  23
  24 namespace simgrid {
  25 namespace mc {
  26
  27 static inline const char* get_color(int id)
  28 {
  29   static constexpr std::array<const char*, 13> colors{{"blue", "red", "green3", "goldenrod", "brown", "purple",
  30                                                        "magenta", "turquoise4", "gray25", "forestgreen", "hotpink",
  31                                                        "lightblue", "tan"}};
  32   return colors[id % colors.size()];
  33 }
  34
  35 /* Search an enabled transition for the given process.
  36  *
  37  * This can be seen as an iterator returning the next transition of the process.
  38  *
  39  * We only consider the processes that are both
  40  *  - marked "to be interleaved" in their ActorState (controlled by the checker algorithm).
  41  *  - which simcall can currently be executed (like a comm where the other partner is already known)
  42  * Once we returned the last enabled transition of a process, it is marked done.
  43  *
  44  * Things can get muddled with the WAITANY and TESTANY simcalls, that are rewritten on the fly to a bunch of WAIT
  45  * (resp TEST) transitions using the transition.argument field to remember what was the last returned sub-transition.
  46  */
  47 static inline smx_simcall_t MC_state_choose_request_for_process(simgrid::mc::State* state, smx_actor_t actor)
  48 {
  49   /* reset the outgoing transition */
  50   simgrid::mc::ActorState* procstate = &state->actor_states_[actor->get_pid()];
  51   state->transition_.pid_            = -1;
  52   state->transition_.argument_       = -1;
  53   state->executed_req_.call_         =  Simcall::NONE;
  54
  55   if (not simgrid::mc::actor_is_enabled(actor))
  56     return nullptr; // Not executable in the application
  57
  58   smx_simcall_t req = nullptr;
  59   switch (actor->simcall_.call_) {
  60     case Simcall::COMM_WAITANY:
  61       state->transition_.argument_ = -1;
  62       while (procstate->times_considered < simcall_comm_waitany__get__count(&actor->simcall_)) {
  63         if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall_, procstate->times_considered)) {
  64           state->transition_.argument_ = procstate->times_considered;
  65           ++procstate->times_considered;
  66           break;
  67         }
  68         ++procstate->times_considered;
  69       }
  70
  71       if (procstate->times_considered >= simcall_comm_waitany__get__count(&actor->simcall_))
  72         procstate->set_done();
  73       if (state->transition_.argument_ != -1)
  74         req = &actor->simcall_;
  75       break;
  76
  77     case Simcall::COMM_TESTANY: {
  78       unsigned start_count         = procstate->times_considered;
  79       state->transition_.argument_ = -1;
  80       while (procstate->times_considered < simcall_comm_testany__get__count(&actor->simcall_)) {
  81         if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall_, procstate->times_considered)) {
  82           state->transition_.argument_ = procstate->times_considered;
  83           ++procstate->times_considered;
  84           break;
  85         }
  86         ++procstate->times_considered;
  87       }
  88
  89       if (procstate->times_considered >= simcall_comm_testany__get__count(&actor->simcall_))
  90         procstate->set_done();
  91
  92       if (state->transition_.argument_ != -1 || start_count == 0)
  93         req = &actor->simcall_;
  94
  95       break;
  96     }
  97
  98     case Simcall::COMM_WAIT: {
  99       simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> remote_act =
 100           remote(simcall_comm_wait__getraw__comm(&actor->simcall_));
 101       simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_act;
 102       mc_model_checker->get_remote_simulation().read(temp_act, remote_act);
 103       const simgrid::kernel::activity::CommImpl* act = temp_act.get_buffer();
 104       if (act->src_actor_.get() && act->dst_actor_.get())
 105         state->transition_.argument_ = 0; // OK
 106       else if (act->src_actor_.get() == nullptr && act->type_ == simgrid::kernel::activity::CommImpl::Type::READY &&
 107                act->detached())
 108         state->transition_.argument_ = 0; // OK
 109       else
 110         state->transition_.argument_ = -1; // timeout
 111       procstate->set_done();
 112       req = &actor->simcall_;
 113       break;
 114     }
 115
 116     case Simcall::MC_RANDOM: {
 117       int min_value                = simcall_mc_random__get__min(&actor->simcall_);
 118       state->transition_.argument_ = procstate->times_considered + min_value;
 119       procstate->times_considered++;
 120       if (state->transition_.argument_ == simcall_mc_random__get__max(&actor->simcall_))
 121         procstate->set_done();
 122       req = &actor->simcall_;
 123       break;
 124     }
 125
 126     default:
 127       procstate->set_done();
 128       state->transition_.argument_ = 0;
 129       req                          = &actor->simcall_;
 130       break;
 131   }
 132   if (not req)
 133     return nullptr;
 134
 135   state->transition_.pid_ = actor->get_pid();
 136   state->executed_req_    = *req;
 137   // Fetch the data of the request and translate it:
 138   state->internal_req_ = *req;
 139
 140   /* The waitany and testany request are transformed into a wait or test request over the corresponding communication
 141    * action so it can be treated later by the dependence function. */
 142   switch (req->call_) {
 143     case Simcall::COMM_WAITANY: {
 144       state->internal_req_.call_ = Simcall::COMM_WAIT;
 145       simgrid::kernel::activity::CommImpl* remote_comm;
 146       remote_comm = mc_model_checker->get_remote_simulation().read(
 147           remote(simcall_comm_waitany__get__comms(req) + state->transition_.argument_));
 148       mc_model_checker->get_remote_simulation().read(state->internal_comm_, remote(remote_comm));
 149       simcall_comm_wait__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
 150       simcall_comm_wait__set__timeout(&state->internal_req_, 0);
 151       break;
 152     }
 153
 154     case Simcall::COMM_TESTANY:
 155       state->internal_req_.call_ = Simcall::COMM_TEST;
 156
 157       if (state->transition_.argument_ > 0) {
 158         simgrid::kernel::activity::CommImpl* remote_comm = mc_model_checker->get_remote_simulation().read(
 159             remote(simcall_comm_testany__get__comms(req) + state->transition_.argument_));
 160         mc_model_checker->get_remote_simulation().read(state->internal_comm_, remote(remote_comm));
 161       }
 162
 163       simcall_comm_test__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
 164       simcall_comm_test__set__result(&state->internal_req_, state->transition_.argument_);
 165       break;
 166
 167     case Simcall::COMM_WAIT:
 168       mc_model_checker->get_remote_simulation().read_bytes(&state->internal_comm_, sizeof(state->internal_comm_),
 169                                                            remote(simcall_comm_wait__getraw__comm(req)));
 170       simcall_comm_wait__set__comm(&state->executed_req_, state->internal_comm_.get_buffer());
 171       simcall_comm_wait__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
 172       break;
 173
 174     case Simcall::COMM_TEST:
 175       mc_model_checker->get_remote_simulation().read_bytes(&state->internal_comm_, sizeof(state->internal_comm_),
 176                                                            remote(simcall_comm_test__getraw__comm(req)));
 177       simcall_comm_test__set__comm(&state->executed_req_, state->internal_comm_.get_buffer());
 178       simcall_comm_test__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
 179       break;
 180
 181     default:
 182       /* No translation needed */
 183       break;
 184   }
 185
 186   return req;
 187 }
 188
 189 void mc_api::initialize(char** argv)
 190 {
 191   simgrid::mc::session = new simgrid::mc::Session([argv] {
 192     int i = 1;
 193     while (argv[i] != nullptr && argv[i][0] == '-')
 194       i++;
 195     xbt_assert(argv[i] != nullptr,
 196                "Unable to find a binary to exec on the command line. Did you only pass config flags?");
 197     execvp(argv[i], argv + i);
 198     xbt_die("The model-checked process failed to exec(): %s", strerror(errno));
 199   });
 200 }
 201
 202 std::vector<simgrid::mc::ActorInformation>& mc_api::get_actors() const
 203 {
 204   return mc_model_checker->get_remote_simulation().actors();
 205 }
 206
 207 bool mc_api::actor_is_enabled(aid_t pid) const
 208 {
 209   return session->actor_is_enabled(pid);
 210 }
 211
 212 unsigned long mc_api::get_maxpid() const
 213 {
 214   return MC_smx_get_maxpid();
 215 }
 216
 217 int mc_api::get_actors_size() const
 218 {
 219   return mc_model_checker->get_remote_simulation().actors().size();
 220 }
 221
 222 bool mc_api::comm_addr_equal(const kernel::activity::CommImpl* comm_addr1, const kernel::activity::CommImpl* comm_addr2) const
 223 {
 224   return remote(comm_addr1) == remote(comm_addr2);
 225 }
 226
 227 kernel::activity::CommImpl* mc_api::get_comm_isend_raw_addr(smx_simcall_t request) const
 228 {
 229   auto comm_addr = simcall_comm_isend__getraw__result(request);
 230   return static_cast<kernel::activity::CommImpl*>(comm_addr);
 231 }
 232
 233 kernel::activity::CommImpl* mc_api::get_comm_wait_raw_addr(smx_simcall_t request) const
 234 {
 235   return simcall_comm_wait__getraw__comm(request);
 236 }
 237
 238 kernel::activity::CommImpl* mc_api::get_comm_waitany_raw_addr(smx_simcall_t request, int value) const
 239 {
 240   auto addr = mc_model_checker->get_remote_simulation().read(remote(simcall_comm_waitany__getraw__comms(request) + value));
 241   return static_cast<simgrid::kernel::activity::CommImpl*>(addr);
 242 }
 243
 244 std::string mc_api::get_pattern_comm_rdv(void* addr) const
 245 {
 246   Remote<kernel::activity::CommImpl> temp_synchro;
 247   mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
 248   const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
 249
 250   char* remote_name = mc_model_checker->get_remote_simulation().read<char*>(RemotePtr<char*>(
 251       (uint64_t)(synchro->get_mailbox() ? &synchro->get_mailbox()->get_name() : &synchro->mbox_cpy->get_name())));
 252   auto rdv = mc_model_checker->get_remote_simulation().read_string(RemotePtr<char>(remote_name));
 253   return rdv;
 254 }
 255
 256 unsigned long mc_api::get_pattern_comm_src_proc(void* addr) const
 257 {
 258   Remote<kernel::activity::CommImpl> temp_synchro;
 259   mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
 260   const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
 261   auto src_proc = mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(synchro->src_actor_.get()))->get_pid();
 262   return src_proc;
 263 }
 264
 265 unsigned long mc_api::get_pattern_comm_dst_proc(void* addr) const
 266 {
 267   Remote<kernel::activity::CommImpl> temp_synchro;
 268   mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
 269   const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
 270   auto src_proc = mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(synchro->dst_actor_.get()))->get_pid();
 271   return src_proc;
 272 }
 273
 274 std::vector<char> mc_api::get_pattern_comm_data(void* addr) const
 275 {
 276   Remote<kernel::activity::CommImpl> temp_synchro;
 277   mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
 278   const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
 279
 280   std::vector<char> buffer {};
 281   if (synchro->src_buff_ != nullptr) {
 282     buffer.resize(synchro->src_buff_size_);
 283     mc_model_checker->get_remote_simulation().read_bytes(buffer.data(), buffer.size(),
 284                                                          remote(synchro->src_buff_));
 285   }
 286   return buffer;
 287 }
 288
 289 std::vector<char> mc_api::get_pattern_comm_data(const kernel::activity::CommImpl* comm_addr) const
 290 {
 291   simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
 292   mc_model_checker->get_remote_simulation().read(temp_comm, remote((kernel::activity::CommImpl*)comm_addr));
 293   const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
 294
 295   std::vector<char> buffer {};
 296   if (comm->src_buff_ != nullptr) {
 297     buffer.resize(comm->src_buff_size_);
 298     mc_model_checker->get_remote_simulation().read_bytes(buffer.data(), buffer.size(),
 299                                                          remote(comm->src_buff_));
 300   }
 301   return buffer;
 302 }
 303
 304 const char* mc_api::get_actor_host_name(smx_actor_t actor) const
 305 {
 306   const char* host_name = MC_smx_actor_get_host_name(actor);
 307   return host_name;
 308 }
 309
 310 #if HAVE_SMPI
 311 bool mc_api::check_send_request_detached(smx_simcall_t const& simcall) const
 312 {
 313   simgrid::smpi::Request mpi_request;
 314   mc_model_checker->get_remote_simulation().read(
 315       &mpi_request, remote(static_cast<smpi::Request*>(simcall_comm_isend__get__data(simcall))));
 316   return mpi_request.detached();
 317 }
 318 #endif
 319
 320 smx_actor_t mc_api::get_src_actor(const kernel::activity::CommImpl* comm_addr) const
 321 {
 322   simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
 323   mc_model_checker->get_remote_simulation().read(temp_comm, remote((kernel::activity::CommImpl*)comm_addr));
 324   const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
 325
 326   auto src_proc = mc_model_checker->get_remote_simulation().resolve_actor(simgrid::mc::remote(comm->src_actor_.get()));
 327   return src_proc;
 328 }
 329
 330 smx_actor_t mc_api::get_dst_actor(const kernel::activity::CommImpl* comm_addr) const
 331 {
 332   simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
 333   mc_model_checker->get_remote_simulation().read(temp_comm, remote((kernel::activity::CommImpl*)comm_addr));
 334   const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
 335
 336   auto dst_proc = mc_model_checker->get_remote_simulation().resolve_actor(simgrid::mc::remote(comm->dst_actor_.get()));
 337   return dst_proc;
 338 }
 339
 340 std::size_t mc_api::get_remote_heap_bytes() const
 341 {
 342   RemoteSimulation& process = mc_model_checker->get_remote_simulation();
 343   auto heap_bytes_used      = mmalloc_get_bytes_used_remote(process.get_heap()->heaplimit, process.get_malloc_info());
 344   return heap_bytes_used;
 345 }
 346
 347 void mc_api::session_initialize() const
 348 {
 349   session->initialize();
 350 }
 351
 352 ModelChecker* mc_api::get_model_checker() const
 353 {
 354   return mc_model_checker;
 355 }
 356
 357 void mc_api::mc_inc_visited_states() const
 358 {
 359   mc_model_checker->visited_states++;
 360 }
 361
 362 void mc_api::mc_inc_executed_trans() const
 363 {
 364   mc_model_checker->executed_transitions++;
 365 }
 366
 367 unsigned long mc_api::mc_get_visited_states() const
 368 {
 369   return mc_model_checker->visited_states;
 370 }
 371
 372 unsigned long mc_api::mc_get_executed_trans() const
 373 {
 374   return mc_model_checker->executed_transitions;
 375 }
 376
 377 bool mc_api::mc_check_deadlock() const
 378 {
 379   return mc_model_checker->checkDeadlock();
 380 }
 381
 382 void mc_api::mc_show_deadlock() const
 383 {
 384   MC_show_deadlock();
 385 }
 386
 387 smx_actor_t mc_api::simcall_get_issuer(s_smx_simcall const* req) const
 388 {
 389   return MC_smx_simcall_get_issuer(req);
 390 }
 391
 392 bool mc_api::mc_is_null() const
 393 {
 394   auto is_null = (mc_model_checker == nullptr) ? true : false;
 395   return is_null;
 396 }
 397
 398 Checker* mc_api::mc_get_checker() const
 399 {
 400   return mc_model_checker->getChecker();
 401 }
 402
 403 RemoteSimulation& mc_api::mc_get_remote_simulation() const
 404 {
 405   return mc_model_checker->get_remote_simulation();
 406 }
 407
 408 void mc_api::handle_simcall(Transition const& transition) const
 409 {
 410   mc_model_checker->handle_simcall(transition);
 411 }
 412
 413 void mc_api::mc_wait_for_requests() const
 414 {
 415   mc_model_checker->wait_for_requests();
 416 }
 417
 418 void mc_api::mc_exit(int status) const
 419 {
 420   mc_model_checker->exit(status);
 421 }
 422
 423 std::string const& mc_api::mc_get_host_name(std::string const& hostname) const
 424 {
 425   return mc_model_checker->get_host_name(hostname);
 426 }
 427
 428 void mc_api::dump_record_path() const
 429 {
 430   simgrid::mc::dumpRecordPath();
 431 }
 432
 433 smx_simcall_t mc_api::mc_state_choose_request(simgrid::mc::State* state) const
 434 {
 435   for (auto& actor : mc_model_checker->get_remote_simulation().actors()) {
 436     /* Only consider the actors that were marked as interleaving by the checker algorithm */
 437     if (not state->actor_states_[actor.copy.get_buffer()->get_pid()].is_todo())
 438       continue;
 439
 440     smx_simcall_t res = MC_state_choose_request_for_process(state, actor.copy.get_buffer());
 441     if (res)
 442       return res;
 443   }
 444   return nullptr;
 445 }
 446
 447 bool mc_api::request_depend(smx_simcall_t req1, smx_simcall_t req2) const
 448 {
 449   return simgrid::mc::request_depend(req1, req2);
 450 }
 451
 452 std::string mc_api::request_to_string(smx_simcall_t req, int value, RequestType request_type) const
 453 {
 454   return simgrid::mc::request_to_string(req, value, request_type).c_str();
 455 }
 456
 457 std::string mc_api::request_get_dot_output(smx_simcall_t req, int value) const
 458 {
 459   const smx_actor_t issuer = MC_smx_simcall_get_issuer(req);
 460   const char* color        = get_color(issuer->get_pid() - 1);
 461
 462   if (req->inspector_ != nullptr)
 463     return simgrid::xbt::string_printf("label = \"%s\", color = %s, fontcolor = %s",
 464                                        req->inspector_->dot_label().c_str(), color, color);
 465
 466   std::string label;
 467
 468   switch (req->call_) {
 469     case Simcall::COMM_ISEND:
 470       if (issuer->get_host())
 471         label = xbt::string_printf("[(%ld)%s] iSend", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
 472       else
 473         label = bprintf("[(%ld)] iSend", issuer->get_pid());
 474       break;
 475
 476     case Simcall::COMM_IRECV:
 477       if (issuer->get_host())
 478         label = xbt::string_printf("[(%ld)%s] iRecv", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
 479       else
 480         label = xbt::string_printf("[(%ld)] iRecv", issuer->get_pid());
 481       break;
 482
 483     case Simcall::COMM_WAIT:
 484       if (value == -1) {
 485         if (issuer->get_host())
 486           label = xbt::string_printf("[(%ld)%s] WaitTimeout", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
 487         else
 488           label = xbt::string_printf("[(%ld)] WaitTimeout", issuer->get_pid());
 489       } else {
 490         kernel::activity::ActivityImpl* remote_act = simcall_comm_wait__getraw__comm(req);
 491         Remote<kernel::activity::CommImpl> temp_comm;
 492         mc_model_checker->get_remote_simulation().read(temp_comm,
 493                                                        remote(static_cast<kernel::activity::CommImpl*>(remote_act)));
 494         const kernel::activity::CommImpl* comm = temp_comm.get_buffer();
 495
 496         const kernel::actor::ActorImpl* src_proc =
 497             mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(comm->src_actor_.get()));
 498         const kernel::actor::ActorImpl* dst_proc =
 499             mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(comm->dst_actor_.get()));
 500         if (issuer->get_host())
 501           label =
 502               xbt::string_printf("[(%ld)%s] Wait [(%ld)->(%ld)]", issuer->get_pid(), MC_smx_actor_get_host_name(issuer),
 503                                  src_proc ? src_proc->get_pid() : 0, dst_proc ? dst_proc->get_pid() : 0);
 504         else
 505           label = xbt::string_printf("[(%ld)] Wait [(%ld)->(%ld)]", issuer->get_pid(),
 506                                      src_proc ? src_proc->get_pid() : 0, dst_proc ? dst_proc->get_pid() : 0);
 507       }
 508       break;
 509
 510     case Simcall::COMM_TEST: {
 511       kernel::activity::ActivityImpl* remote_act = simcall_comm_test__getraw__comm(req);
 512       Remote<simgrid::kernel::activity::CommImpl> temp_comm;
 513       mc_model_checker->get_remote_simulation().read(temp_comm,
 514                                                      remote(static_cast<kernel::activity::CommImpl*>(remote_act)));
 515       const kernel::activity::CommImpl* comm = temp_comm.get_buffer();
 516       if (comm->src_actor_.get() == nullptr || comm->dst_actor_.get() == nullptr) {
 517         if (issuer->get_host())
 518           label = xbt::string_printf("[(%ld)%s] Test FALSE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
 519         else
 520           label = bprintf("[(%ld)] Test FALSE", issuer->get_pid());
 521       } else {
 522         if (issuer->get_host())
 523           label = xbt::string_printf("[(%ld)%s] Test TRUE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
 524         else
 525           label = xbt::string_printf("[(%ld)] Test TRUE", issuer->get_pid());
 526       }
 527       break;
 528     }
 529
 530     case Simcall::COMM_WAITANY: {
 531       size_t comms_size = simcall_comm_waitany__get__count(req);
 532       if (issuer->get_host())
 533         label = xbt::string_printf("[(%ld)%s] WaitAny [%d of %zu]", issuer->get_pid(),
 534                                    MC_smx_actor_get_host_name(issuer), value + 1, comms_size);
 535       else
 536         label = xbt::string_printf("[(%ld)] WaitAny [%d of %zu]", issuer->get_pid(), value + 1, comms_size);
 537       break;
 538     }
 539
 540     case Simcall::COMM_TESTANY:
 541       if (value == -1) {
 542         if (issuer->get_host())
 543           label = xbt::string_printf("[(%ld)%s] TestAny FALSE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
 544         else
 545           label = xbt::string_printf("[(%ld)] TestAny FALSE", issuer->get_pid());
 546       } else {
 547         if (issuer->get_host())
 548           label =
 549               xbt::string_printf("[(%ld)%s] TestAny TRUE [%d of %lu]", issuer->get_pid(),
 550                                  MC_smx_actor_get_host_name(issuer), value + 1, simcall_comm_testany__get__count(req));
 551         else
 552           label = xbt::string_printf("[(%ld)] TestAny TRUE [%d of %lu]", issuer->get_pid(), value + 1,
 553                                      simcall_comm_testany__get__count(req));
 554       }
 555       break;
 556
 557     case Simcall::MUTEX_TRYLOCK:
 558       label = xbt::string_printf("[(%ld)] Mutex TRYLOCK", issuer->get_pid());
 559       break;
 560
 561     case Simcall::MUTEX_LOCK:
 562       label = xbt::string_printf("[(%ld)] Mutex LOCK", issuer->get_pid());
 563       break;
 564
 565     case Simcall::MC_RANDOM:
 566       if (issuer->get_host())
 567         label = xbt::string_printf("[(%ld)%s] MC_RANDOM (%d)", issuer->get_pid(), MC_smx_actor_get_host_name(issuer),
 568                                    value);
 569       else
 570         label = xbt::string_printf("[(%ld)] MC_RANDOM (%d)", issuer->get_pid(), value);
 571       break;
 572
 573     default:
 574       THROW_UNIMPLEMENTED;
 575   }
 576
 577   return xbt::string_printf("label = \"%s\", color = %s, fontcolor = %s", label.c_str(), color, color);
 578 }
 579
 580 const char* mc_api::simcall_get_name(simgrid::simix::Simcall kind) const
 581 {
 582   return SIMIX_simcall_name(kind);
 583 }
 584
 585 #if HAVE_SMPI
 586 int mc_api::get_smpi_request_tag(smx_simcall_t const& simcall, simgrid::simix::Simcall type) const
 587 {
 588   simgrid::smpi::Request mpi_request;
 589   void* simcall_data = nullptr;
 590   if (type == Simcall::COMM_ISEND)
 591     simcall_data = simcall_comm_isend__get__data(simcall);
 592   else if (type == Simcall::COMM_IRECV)
 593     simcall_data = simcall_comm_irecv__get__data(simcall);
 594   mc_model_checker->get_remote_simulation().read(&mpi_request, remote(static_cast<smpi::Request*>(simcall_data)));
 595   return mpi_request.tag();
 596 }
 597 #endif
 598
 599 void mc_api::restore_state(std::shared_ptr<simgrid::mc::Snapshot> system_state) const
 600 {
 601   system_state->restore(&mc_model_checker->get_remote_simulation());
 602 }
 603
 604 void mc_api::log_state() const
 605 {
 606   session->log_state();
 607 }
 608
 609 bool mc_api::snapshot_equal(const Snapshot* s1, const Snapshot* s2) const
 610 {
 611   return simgrid::mc::snapshot_equal(s1, s2);
 612 }
 613
 614 simgrid::mc::Snapshot* mc_api::take_snapshot(int num_state) const
 615 {
 616   auto snapshot = new simgrid::mc::Snapshot(num_state);
 617   return snapshot;
 618 }
 619
 620 void mc_api::s_close() const
 621 {
 622   session->close();
 623 }
 624
 625 void mc_api::restore_initial_state() const
 626 {
 627   session->restore_initial_state();
 628 }
 629
 630 void mc_api::execute(Transition const& transition) const
 631 {
 632   session->execute(transition);
 633 }
 634
 635 #if SIMGRID_HAVE_MC
 636 void mc_api::automaton_load(const char *file) const
 637 {
 638   MC_automaton_load(file);
 639 }
 640 #endif
 641
 642 std::vector<int> mc_api::automaton_propositional_symbol_evaluate() const
 643 {
 644   unsigned int cursor = 0;
 645   std::vector<int> values;
 646   xbt_automaton_propositional_symbol_t ps = nullptr;
 647   xbt_dynar_foreach (mc::property_automaton->propositional_symbols, cursor, ps)
 648     values.push_back(xbt_automaton_propositional_symbol_evaluate(ps));
 649   return values;
 650 }
 651
 652 std::vector<xbt_automaton_state_t> mc_api::get_automaton_state() const
 653 {
 654   std::vector<xbt_automaton_state_t> automaton_stack;
 655   unsigned int cursor = 0;
 656   xbt_automaton_state_t automaton_state;
 657   xbt_dynar_foreach (mc::property_automaton->states, cursor, automaton_state)
 658     if (automaton_state->type == -1)
 659       automaton_stack.push_back(automaton_state);
 660   return automaton_stack;
 661 }
 662
 663 int mc_api::compare_automaton_exp_lable(const xbt_automaton_exp_label* l, std::vector<int> const& values) const
 664 {
 665   unsigned int cursor = 0;
 666   xbt_automaton_propositional_symbol_t p = nullptr;
 667   xbt_dynar_foreach (simgrid::mc::property_automaton->propositional_symbols, cursor, p) {
 668     if (std::strcmp(xbt_automaton_propositional_symbol_get_name(p), l->u.predicat) == 0)
 669       return cursor;
 670   }
 671   return -1;
 672 }
 673
 674 void mc_api::set_property_automaton(xbt_automaton_state_t const& automaton_state) const
 675 {
 676   mc::property_automaton->current_state = automaton_state;
 677 }
 678
 679 } // namespace mc
 680 } // namespace simgrid