-/* 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. */
#ifndef SIMGRID_MC_MODEL_CHECKER_HPP
#define SIMGRID_MC_MODEL_CHECKER_HPP
-#include <sys/types.h>
+#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 <poll.h>
#include <memory>
-
-#include <simgrid_config.h>
-#include <xbt/dict.h>
-#include <xbt/base.h>
-#include <sys/types.h>
-
-#include "src/mc/mc_forward.hpp"
-#include "src/mc/Process.hpp"
-#include "src/mc/PageStore.hpp"
-#include "src/mc/mc_protocol.h"
+#include <set>
namespace simgrid {
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::unordered_set with heterogeneous comparison lookup (C++14)
- xbt_dict_t /* <hostname, nullptr> */ hostnames_;
+ std::set<xbt::string, std::less<>> hostnames_;
// This is the parent snapshot of the current state:
- PageStore page_store_;
- std::unique_ptr<Process> process_;
-public:
- mc_snapshot_t parent_snapshot_;
+ PageStore page_store_{500};
+ std::unique_ptr<RemoteProcess> 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> process);
- ~ModelChecker();
+ explicit ModelChecker(std::unique_ptr<RemoteProcess> remote_simulation, int sockfd);
- Process& process()
- {
- return *process_;
- }
- PageStore& page_store()
- {
- return page_store_;
- }
- const char* get_host_name(const char* name);
+ RemoteProcess& get_remote_process() { return *remote_process_; }
+ Channel& channel() { return checker_side_.get_channel(); }
+ PageStore& page_store() { return page_store_; }
- bool is_important_snapshot(Snapshot const& snapshot) const
+ xbt::string const& get_host_name(const char* hostname)
{
- return &snapshot == this->parent_snapshot_;
+ 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 simcall_handle(simgrid::mc::Process& process, unsigned long pid, int value);
- 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);
+
+ void finalize_app(bool terminate_asap = false);
+
+ 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;
};
}
