1 /* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
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. */
6 #ifndef SIMGRID_MC_MODEL_CHECKER_HPP
7 #define SIMGRID_MC_MODEL_CHECKER_HPP
9 #include "src/mc/remote/CheckerSide.hpp"
10 #include "src/mc/remote/RemotePtr.hpp"
11 #include "src/mc/sosp/PageStore.hpp"
16 namespace simgrid::mc {
18 /** State of the model-checker (global variables for the model checker)
21 CheckerSide checker_side_;
22 // This is the parent snapshot of the current state:
23 PageStore page_store_{500};
24 std::unique_ptr<RemoteProcess> remote_process_;
25 Exploration* exploration_ = nullptr;
27 FILE* dot_output_ = nullptr;
29 unsigned long visited_states_ = 0;
32 ModelChecker(ModelChecker const&) = delete;
33 ModelChecker& operator=(ModelChecker const&) = delete;
34 explicit ModelChecker(std::unique_ptr<RemoteProcess> remote_simulation, int sockfd);
36 RemoteProcess& get_remote_process() { return *remote_process_; }
37 Channel& channel() { return checker_side_.get_channel(); }
38 PageStore& page_store() { return page_store_; }
43 void wait_for_requests();
45 /** Let the application take a transition. A new Transition is created iff the last parameter is true */
46 Transition* handle_simcall(aid_t aid, int times_considered, bool new_transition);
48 /* Interactions with the simcall observer */
49 XBT_ATTRIB_NORETURN void exit(int status);
51 void finalize_app(bool terminate_asap = false);
53 Exploration* get_exploration() const { return exploration_; }
54 void set_exploration(Exploration* exploration) { exploration_ = exploration; }
56 unsigned long get_visited_states() const { return visited_states_; }
57 void inc_visited_states() { visited_states_++; }
59 void dot_output(const char* fmt, ...) XBT_ATTRIB_PRINTF(2, 3);
60 void dot_output_flush()
62 if (dot_output_ != nullptr)
65 void dot_output_close()
67 if (dot_output_ != nullptr)
73 bool handle_message(const char* buffer, ssize_t size);
74 void handle_waitpid();
77 } // namespace simgrid::mc