src/mc/transition/Transition.cpp

   1 /* Copyright (c) 2015-2023. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "src/mc/transition/Transition.hpp"
   7 #include "src/kernel/actor/Simcall.hpp"
   8 #include "src/mc/explo/Exploration.hpp"
   9 #include "src/mc/transition/TransitionActorJoin.hpp"
  10 #include "src/mc/transition/TransitionAny.hpp"
  11 #include "src/mc/transition/TransitionComm.hpp"
  12 #include "src/mc/transition/TransitionObjectAccess.hpp"
  13 #include "src/mc/transition/TransitionRandom.hpp"
  14 #include "src/mc/transition/TransitionSynchro.hpp"
  15 #include "xbt/asserts.h"
  16 #include "xbt/string.hpp"
  17
  18 #include <sstream>
  19
  20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_transition, mc, "Logging specific to MC transitions");
  21
  22 namespace simgrid::mc {
  23 unsigned long Transition::executed_transitions_ = 0;
  24 unsigned long Transition::replayed_transitions_ = 0;
  25
  26 // Do not move this to the header, to ensure that we have a vtable for Transition
  27 Transition::~Transition() = default;
  28
  29 std::string Transition::to_string(bool) const
  30 {
  31   return "";
  32 }
  33 std::string Transition::dot_string() const
  34 {
  35   static constexpr std::array<const char*, 13> colors{{"blue", "red", "green3", "goldenrod", "brown", "purple",
  36                                                        "magenta", "turquoise4", "gray25", "forestgreen", "hotpink",
  37                                                        "lightblue", "tan"}};
  38   const char* color = colors[(aid_ - 1) % colors.size()];
  39
  40   return xbt::string_printf("label = \"[(%ld)] %s\", color = %s, fontcolor = %s", aid_, Transition::to_c_str(type_),
  41                             color, color);
  42 }
  43 void Transition::replay(RemoteApp& app) const
  44 {
  45   replayed_transitions_++;
  46   app.handle_simcall(aid_, times_considered_, false);
  47   app.wait_for_requests();
  48 }
  49
  50 Transition* deserialize_transition(aid_t issuer, int times_considered, std::stringstream& stream)
  51 {
  52   short type;
  53   xbt_assert(stream >> type);
  54
  55   switch (auto simcall = static_cast<Transition::Type>(type)) {
  56     case Transition::Type::BARRIER_ASYNC_LOCK:
  57     case Transition::Type::BARRIER_WAIT:
  58       return new BarrierTransition(issuer, times_considered, simcall, stream);
  59
  60     case Transition::Type::COMM_ASYNC_RECV:
  61       return new CommRecvTransition(issuer, times_considered, stream);
  62     case Transition::Type::COMM_ASYNC_SEND:
  63       return new CommSendTransition(issuer, times_considered, stream);
  64     case Transition::Type::COMM_TEST:
  65       return new CommTestTransition(issuer, times_considered, stream);
  66     case Transition::Type::COMM_WAIT:
  67       return new CommWaitTransition(issuer, times_considered, stream);
  68
  69     case Transition::Type::TESTANY:
  70       return new TestAnyTransition(issuer, times_considered, stream);
  71     case Transition::Type::WAITANY:
  72       return new WaitAnyTransition(issuer, times_considered, stream);
  73
  74     case Transition::Type::RANDOM:
  75       return new RandomTransition(issuer, times_considered, stream);
  76
  77     case Transition::Type::MUTEX_TRYLOCK:
  78     case Transition::Type::MUTEX_ASYNC_LOCK:
  79     case Transition::Type::MUTEX_TEST:
  80     case Transition::Type::MUTEX_WAIT:
  81     case Transition::Type::MUTEX_UNLOCK:
  82       return new MutexTransition(issuer, times_considered, simcall, stream);
  83
  84     case Transition::Type::SEM_ASYNC_LOCK:
  85     case Transition::Type::SEM_UNLOCK:
  86     case Transition::Type::SEM_WAIT:
  87       return new SemaphoreTransition(issuer, times_considered, simcall, stream);
  88
  89     case Transition::Type::ACTOR_JOIN:
  90       return new ActorJoinTransition(issuer, times_considered, stream);
  91
  92     case Transition::Type::OBJECT_ACCESS:
  93       return new ObjectAccessTransition(issuer, times_considered, stream);
  94
  95     case Transition::Type::UNKNOWN:
  96       return new Transition(Transition::Type::UNKNOWN, issuer, times_considered);
  97
  98     default:
  99       break;
 100   }
 101   xbt_die("Invalid transition type %d received. Did you implement a new observer in the app without implementing the "
 102           "corresponding transition in the checker?",
 103           type);
 104 }
 105
 106 } // namespace simgrid::mc