+++ /dev/null
-/* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef SIMGRID_MC_MODEL_CHECKER_HPP
-#define SIMGRID_MC_MODEL_CHECKER_HPP
-
-#include "src/mc/remote/CheckerSide.hpp"
-#include "src/mc/remote/RemotePtr.hpp"
-#include "src/mc/sosp/PageStore.hpp"
-#include "xbt/base.h"
-#include "xbt/string.hpp"
-
-#include <memory>
-#include <set>
-
-namespace simgrid::mc {
-
-/** State of the model-checker (global variables for the model checker)
- */
-class ModelChecker {
- CheckerSide checker_side_;
- /** String pool for host names */
- std::set<xbt::string, std::less<>> hostnames_;
- // This is the parent snapshot of the current state:
- PageStore page_store_{500};
- std::unique_ptr<RemoteProcess> remote_process_;
- Exploration* exploration_ = nullptr;
-
- FILE* dot_output_ = nullptr;
-
- unsigned long visited_states_ = 0;
-
-public:
- ModelChecker(ModelChecker const&) = delete;
- ModelChecker& operator=(ModelChecker const&) = delete;
- explicit ModelChecker(std::unique_ptr<RemoteProcess> remote_simulation, int sockfd);
-
- RemoteProcess& get_remote_process() { return *remote_process_; }
- Channel& channel() { return checker_side_.get_channel(); }
- PageStore& page_store() { return page_store_; }
-
- xbt::string const& get_host_name(const char* hostname)
- {
- return *this->hostnames_.insert(xbt::string(hostname)).first;
- }
-
- void start();
- void shutdown();
- void resume();
- void wait_for_requests();
-
- /** Let the application take a transition. A new Transition is created iff the last parameter is true */
- Transition* handle_simcall(aid_t aid, int times_considered, bool new_transition);
-
- /* Interactions with the simcall observer */
- XBT_ATTRIB_NORETURN void exit(int status);
-
- void finalize_app(bool terminate_asap = false);
-
- Exploration* get_exploration() const { return exploration_; }
- void set_exploration(Exploration* exploration) { exploration_ = exploration; }
-
- unsigned long get_visited_states() const { return visited_states_; }
- void inc_visited_states() { visited_states_++; }
-
- void dot_output(const char* fmt, ...) XBT_ATTRIB_PRINTF(2, 3);
- void dot_output_flush()
- {
- if (dot_output_ != nullptr)
- fflush(dot_output_);
- }
- void dot_output_close()
- {
- if (dot_output_ != nullptr)
- fclose(dot_output_);
- }
-
-private:
- void setup_ignore();
- bool handle_message(const char* buffer, ssize_t size);
- void handle_waitpid();
-};
-
-} // namespace simgrid::mc
-
-#endif
