X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5a006fa396cfcc8a91a8284f0d625b2a9a2565c9..239cd16f4e95031d3a106e487c1485726069f1d7:/src/mc/api/State.hpp

diff --git a/src/mc/api/State.hpp b/src/mc/api/State.hpp
index c10ca6200f..2f4407fb3a 100644
--- a/src/mc/api/State.hpp
+++ b/src/mc/api/State.hpp
@@ -17,37 +17,57 @@ namespace simgrid::mc {
 class XBT_PRIVATE State : public xbt::Extendable<State> {
   static long expended_states_; /* Count total amount of states, for stats */
 
-  /* Outgoing transition: what was the last transition that we took to leave this state? */
-  std::unique_ptr<Transition> transition_;
+  /**
+   * @brief An empty transition that leads to this state by default
+   */
+  const std::unique_ptr<Transition> default_transition_ = std::make_unique<Transition>();
+
+  /**
+   * @brief The outgoing transition: what was the last transition that
+   * we took to leave this state?
+   *
+   * The owner of the transition is the `ActorState` instance which exists in this state,
+   * or a reference to the internal default transition `Transition()` if no transition has been
+   * set
+   */
+  Transition* transition_ = default_transition_.get();
 
   /** Sequential state ID (used for debugging) */
   long num_ = 0;
 
-  /** State's exploration status by actor. Not all the actors are there, only the ones that are ready-to-run in this state */
+  /** State's exploration status by actor. Not all the actors are there, only the ones that are ready-to-run in this
+   * state */
   std::map<aid_t, ActorState> actors_to_run_;
 
   /** Snapshot of system state (if needed) */
   std::shared_ptr<Snapshot> system_state_;
 
+  /** Unique parent of this state. Required both for sleep set computation
+      and for guided model-checking */
+  const State* parent_state_;
+  
+  /* Sleep sets are composed of the actor and the corresponding transition that made it being added to the sleep
+   * set. With this information, it is check whether it should be removed from it or not when exploring a new
+   * transition */
   std::map<aid_t, Transition> sleep_set_;
   
 public:
-  explicit State(const RemoteApp& remote_app);
-  explicit State(const RemoteApp& remote_app, const State* previous_state);
+  explicit State(RemoteApp& remote_app);
+  explicit State(RemoteApp& remote_app, const State* parent_state);
   /* Returns a positive number if there is another transition to pick, or -1 if not */
   aid_t next_transition() const;
 
-  /* Explore a new path; the parameter must be the result of a previous call to next_transition() */
-  void execute_next(aid_t next);
+  /* Explore a new path on the remote app; the parameter 'next' must be the result of a previous call to
+   * next_transition() */
+  void execute_next(aid_t next, RemoteApp& app);
 
   long get_num() const { return num_; }
   std::size_t count_todo() const;
   void mark_todo(aid_t actor) { actors_to_run_.at(actor).mark_todo(); }
-  void mark_done(aid_t actor) { actors_to_run_.at(actor).mark_done();}
-  void mark_all_todo(); 
-  bool is_done(aid_t actor) const { return actors_to_run_.at(actor).is_done(); }
+  void mark_all_enabled_todo();
+  bool is_actor_done(aid_t actor) const { return actors_to_run_.at(actor).is_done(); }
   Transition* get_transition() const;
-  void set_transition(Transition* t) { transition_.reset(t); }
+  void set_transition(Transition* t) { transition_ = t; }
   std::map<aid_t, ActorState> const& get_actors_list() const { return actors_to_run_; }
 
   unsigned long get_actor_count() const { return actors_to_run_.size(); }
@@ -57,7 +77,7 @@ public:
   void set_system_state(std::shared_ptr<Snapshot> state) { system_state_ = std::move(state); }
 
   std::map<aid_t, Transition> const& get_sleep_set() const { return sleep_set_; }
-  void set_sleep_set(Transition* t) {sleep_set_.insert_or_assign(t->aid_, Transition(t->type_, t->aid_, t->times_considered_)); }
+  void add_sleep_set(Transition* t) {sleep_set_.insert_or_assign(t->aid_, Transition(t->type_, t->aid_, t->times_considered_)); }
   
   /* Returns the total amount of states created so far (for statistics) */
   static long get_expanded_states() { return expended_states_; }