+++ /dev/null
-/* Copyright (c) 2020-2022. 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. */
-
-#include "api.hpp"
-
-#include "src/kernel/activity/MailboxImpl.hpp"
-#include "src/kernel/activity/MutexImpl.hpp"
-#include "src/kernel/actor/SimcallObserver.hpp"
-#include "src/mc/Session.hpp"
-#include "src/mc/checker/Checker.hpp"
-#include "src/mc/mc_base.hpp"
-#include "src/mc/mc_exit.hpp"
-#include "src/mc/mc_pattern.hpp"
-#include "src/mc/mc_private.hpp"
-#include "src/mc/remote/RemoteProcess.hpp"
-#include "src/surf/HostImpl.hpp"
-
-#include <xbt/asserts.h>
-#include <xbt/log.h>
-#include "simgrid/s4u/Host.hpp"
-#include "xbt/string.hpp"
-#if HAVE_SMPI
-#include "src/smpi/include/smpi_request.hpp"
-#endif
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(Api, mc, "Logging specific to MC Facade APIs ");
-XBT_LOG_EXTERNAL_CATEGORY(mc_global);
-
-using Simcall = simgrid::simix::Simcall;
-
-namespace simgrid {
-namespace mc {
-
-/** Statically "upcast" a s_smx_actor_t into an ActorInformation
- *
- * This gets 'actorInfo' from '&actorInfo->copy'. It upcasts in the
- * sense that we could achieve the same thing by having ActorInformation
- * inherit from s_smx_actor_t but we don't really want to do that.
- */
-static simgrid::mc::ActorInformation* actor_info_cast(smx_actor_t actor)
-{
- simgrid::mc::ActorInformation temp;
- std::size_t offset = (char*)temp.copy.get_buffer() - (char*)&temp;
-
- auto* process_info = reinterpret_cast<simgrid::mc::ActorInformation*>((char*)actor - offset);
- return process_info;
-}
-
-xbt::string const& Api::get_actor_host_name(smx_actor_t actor) const
-{
- if (mc_model_checker == nullptr)
- return actor->get_host()->get_name();
-
- const simgrid::mc::RemoteProcess* process = &mc_model_checker->get_remote_process();
-
- // Read the simgrid::xbt::string in the MCed process:
- simgrid::mc::ActorInformation* info = actor_info_cast(actor);
-
- if (not info->hostname) {
- Remote<s4u::Host> temp_host = process->read(remote(actor->get_host()));
- auto remote_string_address = remote(&xbt::string::to_string_data(temp_host.get_buffer()->get_impl()->get_name()));
- simgrid::xbt::string_data remote_string = process->read(remote_string_address);
- std::vector<char> hostname(remote_string.len + 1);
- // no need to read the terminating null byte, and thus hostname[remote_string.len] is guaranteed to be '\0'
- process->read_bytes(hostname.data(), remote_string.len, remote(remote_string.data));
- info->hostname = &mc_model_checker->get_host_name(hostname.data());
- }
- return *info->hostname;
-}
-
-xbt::string const& Api::get_actor_name(smx_actor_t actor) const
-{
- if (mc_model_checker == nullptr)
- return actor->get_name();
-
- simgrid::mc::ActorInformation* info = actor_info_cast(actor);
- if (info->name.empty()) {
- const simgrid::mc::RemoteProcess* process = &mc_model_checker->get_remote_process();
-
- simgrid::xbt::string_data string_data = simgrid::xbt::string::to_string_data(actor->name_);
- info->name = process->read_string(remote(string_data.data), string_data.len);
- }
- return info->name;
-}
-
-simgrid::mc::Checker* Api::initialize(char** argv, simgrid::mc::CheckerAlgorithm algo) const
-{
- auto session = new simgrid::mc::Session([argv] {
- int i = 1;
- while (argv[i] != nullptr && argv[i][0] == '-')
- i++;
- xbt_assert(argv[i] != nullptr,
- "Unable to find a binary to exec on the command line. Did you only pass config flags?");
- execvp(argv[i], argv + i);
- xbt_die("The model-checked process failed to exec(%s): %s", argv[i], strerror(errno));
- });
-
- simgrid::mc::Checker* checker;
- switch (algo) {
- case CheckerAlgorithm::CommDeterminism:
- checker = simgrid::mc::create_communication_determinism_checker(session);
- break;
-
- case CheckerAlgorithm::UDPOR:
- checker = simgrid::mc::create_udpor_checker(session);
- break;
-
- case CheckerAlgorithm::Safety:
- checker = simgrid::mc::create_safety_checker(session);
- break;
-
- case CheckerAlgorithm::Liveness:
- checker = simgrid::mc::create_liveness_checker(session);
- break;
-
- default:
- THROW_IMPOSSIBLE;
- }
-
- // FIXME: session and checker are never deleted
- simgrid::mc::session_singleton = session;
- mc_model_checker->setChecker(checker);
- return checker;
-}
-
-std::vector<simgrid::mc::ActorInformation>& Api::get_actors() const
-{
- return mc_model_checker->get_remote_process().actors();
-}
-
-unsigned long Api::get_maxpid() const
-{
- return mc_model_checker->get_remote_process().get_maxpid();
-}
-
-std::size_t Api::get_remote_heap_bytes() const
-{
- RemoteProcess& process = mc_model_checker->get_remote_process();
- auto heap_bytes_used = mmalloc_get_bytes_used_remote(process.get_heap()->heaplimit, process.get_malloc_info());
- return heap_bytes_used;
-}
-
-void Api::mc_inc_visited_states() const
-{
- mc_model_checker->visited_states++;
-}
-
-unsigned long Api::mc_get_visited_states() const
-{
- return mc_model_checker->visited_states;
-}
-
-void Api::mc_exit(int status) const
-{
- mc_model_checker->exit(status);
-}
-
-void Api::restore_state(std::shared_ptr<simgrid::mc::Snapshot> system_state) const
-{
- system_state->restore(&mc_model_checker->get_remote_process());
-}
-
-bool Api::snapshot_equal(const Snapshot* s1, const Snapshot* s2) const
-{
- return simgrid::mc::snapshot_equal(s1, s2);
-}
-
-simgrid::mc::Snapshot* Api::take_snapshot(long num_state) const
-{
- auto snapshot = new simgrid::mc::Snapshot(num_state);
- return snapshot;
-}
-
-void Api::s_close() const
-{
- session_singleton->close();
-}
-
-void Api::automaton_load(const char* file) const
-{
- if (simgrid::mc::property_automaton == nullptr)
- simgrid::mc::property_automaton = xbt_automaton_new();
-
- xbt_automaton_load(simgrid::mc::property_automaton, file);
-}
-
-std::vector<int> Api::automaton_propositional_symbol_evaluate() const
-{
- unsigned int cursor = 0;
- std::vector<int> values;
- xbt_automaton_propositional_symbol_t ps = nullptr;
- xbt_dynar_foreach (mc::property_automaton->propositional_symbols, cursor, ps)
- values.push_back(xbt_automaton_propositional_symbol_evaluate(ps));
- return values;
-}
-
-std::vector<xbt_automaton_state_t> Api::get_automaton_state() const
-{
- std::vector<xbt_automaton_state_t> automaton_stack;
- unsigned int cursor = 0;
- xbt_automaton_state_t automaton_state;
- xbt_dynar_foreach (mc::property_automaton->states, cursor, automaton_state)
- if (automaton_state->type == -1)
- automaton_stack.push_back(automaton_state);
- return automaton_stack;
-}
-
-int Api::compare_automaton_exp_label(const xbt_automaton_exp_label* l) const
-{
- unsigned int cursor = 0;
- xbt_automaton_propositional_symbol_t p = nullptr;
- xbt_dynar_foreach (simgrid::mc::property_automaton->propositional_symbols, cursor, p) {
- if (std::strcmp(xbt_automaton_propositional_symbol_get_name(p), l->u.predicat) == 0)
- return cursor;
- }
- return -1;
-}
-
-void Api::set_property_automaton(xbt_automaton_state_t const& automaton_state) const
-{
- mc::property_automaton->current_state = automaton_state;
-}
-
-xbt_automaton_exp_label_t Api::get_automaton_transition_label(xbt_dynar_t const& dynar, int index) const
-{
- const xbt_automaton_transition* transition = xbt_dynar_get_as(dynar, index, xbt_automaton_transition_t);
- return transition->label;
-}
-
-xbt_automaton_state_t Api::get_automaton_transition_dst(xbt_dynar_t const& dynar, int index) const
-{
- const xbt_automaton_transition* transition = xbt_dynar_get_as(dynar, index, xbt_automaton_transition_t);
- return transition->dst;
-}
-
-} // namespace mc
-} // namespace simgrid
