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"
13 #include "xbt/string.hpp"
21 /** State of the model-checker (global variables for the model checker)
24 CheckerSide checker_side_;
25 /** String pool for host names */
26 std::set<xbt::string, std::less<>> hostnames_;
27 // This is the parent snapshot of the current state:
28 PageStore page_store_{500};
29 std::unique_ptr<RemoteProcess> remote_process_;
30 Checker* checker_ = nullptr;
32 // Expect MessageType::SIMCALL_TO_STRING or MessageType::SIMCALL_DOT_LABEL
33 std::string simcall_to_string(MessageType type, aid_t aid, int times_considered);
36 ModelChecker(ModelChecker const&) = delete;
37 ModelChecker& operator=(ModelChecker const&) = delete;
38 explicit ModelChecker(std::unique_ptr<RemoteProcess> remote_simulation, int sockfd);
40 RemoteProcess& get_remote_process() { return *remote_process_; }
41 Channel& channel() { return checker_side_.get_channel(); }
42 PageStore& page_store() { return page_store_; }
44 xbt::string const& get_host_name(const char* hostname)
46 return *this->hostnames_.insert(xbt::string(hostname)).first;
52 void wait_for_requests();
53 Transition* handle_simcall(Transition const& transition, bool new_transition);
55 /* Interactions with the simcall observer */
56 bool simcall_is_visible(aid_t aid);
57 std::string simcall_dot_label(aid_t aid, int times_considered);
59 XBT_ATTRIB_NORETURN void exit(int status);
62 void finalize_app(bool terminate_asap = false);
64 Checker* getChecker() const { return checker_; }
65 void setChecker(Checker* checker) { checker_ = checker; }
69 bool handle_message(const char* buffer, ssize_t size);
70 void handle_waitpid();
73 unsigned long visited_states = 0;