src/mc/VisitedState.hpp

   1 /* Copyright (c) 2007-2023. 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 #ifndef SIMGRID_MC_VISITED_STATE_HPP
   7 #define SIMGRID_MC_VISITED_STATE_HPP
   8
   9 #include "src/mc/api/State.hpp"
  10 #include "src/mc/sosp/Snapshot.hpp"
  11
  12 #include <cstddef>
  13 #include <memory>
  14
  15 namespace simgrid::mc {
  16
  17 class XBT_PRIVATE VisitedState {
  18 public:
  19   std::shared_ptr<simgrid::mc::Snapshot> system_state_ = nullptr;
  20   std::size_t heap_bytes_used_                         = 0;
  21   int actor_count_;
  22   long num_;               // unique id of that state in the storage of all stored IDs
  23   long original_num_ = -1; // num field of the VisitedState to which I was declared equal to (used for dot_output)
  24
  25   explicit VisitedState(unsigned long state_number, unsigned int actor_count, RemoteApp& remote_app);
  26 };
  27
  28 class XBT_PRIVATE VisitedStates {
  29   std::vector<std::unique_ptr<simgrid::mc::VisitedState>> states_;
  30 public:
  31   void clear() { states_.clear(); }
  32   std::unique_ptr<simgrid::mc::VisitedState> addVisitedState(unsigned long state_number,
  33                                                              simgrid::mc::State* graph_state, RemoteApp& remote_app);
  34
  35 private:
  36   void prune();
  37 };
  38
  39 } // namespace simgrid::mc
  40
  41 #endif