X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/76871aa367f5100a2ac974818c477dc46406bc73..3580b0137eab12ca216d9847823c86918b10dd53:/src/mc/ModelChecker.hpp diff --git a/src/mc/ModelChecker.hpp b/src/mc/ModelChecker.hpp index 0e7ed9d9f3..8bf67d31d1 100644 --- a/src/mc/ModelChecker.hpp +++ b/src/mc/ModelChecker.hpp @@ -1,5 +1,4 @@ -/* Copyright (c) 2007-2015. The SimGrid Team. - * All rights reserved. */ +/* 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. */ @@ -7,23 +6,14 @@ #ifndef SIMGRID_MC_MODEL_CHECKER_HPP #define SIMGRID_MC_MODEL_CHECKER_HPP -#include - -#include +#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 #include -#include - -#include -#include -#include - -#include "src/mc/mc_forward.hpp" -#include "src/mc/Process.hpp" -#include "src/mc/PageStore.hpp" -#include "src/mc/mc_protocol.h" -#include "src/mc/Transition.hpp" namespace simgrid { namespace mc { @@ -31,69 +21,54 @@ namespace mc { /** State of the model-checker (global variables for the model checker) */ class ModelChecker { - struct pollfd fds_[2]; + CheckerSide checker_side_; /** String pool for host names */ - // TODO, use std::set with heterogeneous comparison lookup (C++14)? - std::set hostnames_; + std::set> hostnames_; // This is the parent snapshot of the current state: - PageStore page_store_; - std::unique_ptr process_; - Checker* checker_ = nullptr; -public: - std::shared_ptr parent_snapshot_; + PageStore page_store_{500}; + std::unique_ptr remote_process_; + Exploration* exploration_ = nullptr; + + // Expect MessageType::SIMCALL_TO_STRING or MessageType::SIMCALL_DOT_LABEL + std::string simcall_to_string(MessageType type, aid_t aid, int times_considered); public: ModelChecker(ModelChecker const&) = delete; ModelChecker& operator=(ModelChecker const&) = delete; - ModelChecker(std::unique_ptr process); - ~ModelChecker(); + explicit ModelChecker(std::unique_ptr remote_simulation, int sockfd); - Process& process() - { - return *process_; - } - PageStore& page_store() - { - return page_store_; - } + RemoteProcess& get_remote_process() { return *remote_process_; } + Channel& channel() { return checker_side_.get_channel(); } + PageStore& page_store() { return page_store_; } - std::string const& get_host_name(const char* hostname) - { - return *this->hostnames_.insert(hostname).first; - } - std::string const& get_host_name(std::string const& hostname) + xbt::string const& get_host_name(const char* hostname) { - return *this->hostnames_.insert(hostname).first; + return *this->hostnames_.insert(xbt::string(hostname)).first; } void start(); void shutdown(); - void resume(simgrid::mc::Process& process); - void loop(); - bool handle_events(); - void wait_client(simgrid::mc::Process& process); - void handle_simcall(Transition const& transition); - void wait_for_requests() - { - mc_model_checker->wait_client(mc_model_checker->process()); - } - void exit(int status); + 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); - bool checkDeadlock(); + void finalize_app(bool terminate_asap = false); - Checker* getChecker() const { return checker_; } - void setChecker(Checker* checker) { checker_ = checker; } + Exploration* get_exploration() const { return exploration_; } + void set_exploration(Exploration* exploration) { exploration_ = exploration; } private: void setup_ignore(); - bool handle_message(char* buffer, ssize_t size); - void handle_signals(); + bool handle_message(const char* buffer, ssize_t size); void handle_waitpid(); - void on_signal(const struct signalfd_siginfo* info); public: unsigned long visited_states = 0; - unsigned long executed_transitions = 0; }; }