+++ /dev/null
-/* Copyright (c) 2008-2022. 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 "src/mc/mc_state.hpp"
-#include "src/mc/Session.hpp"
-#include "src/mc/api.hpp"
-#include "src/mc/mc_config.hpp"
-
-#include <boost/range/algorithm.hpp>
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_state, mc, "Logging specific to MC states");
-
-using simgrid::mc::remote;
-using api = simgrid::mc::Api;
-
-namespace simgrid {
-namespace mc {
-
-long State::expended_states_ = 0;
-
-State::State() : num_(++expended_states_)
-{
- const unsigned long maxpid = api::get().get_maxpid();
- actor_states_.resize(maxpid);
- transition_.reset(new Transition());
- /* Stateful model checking */
- if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) {
- auto snapshot_ptr = api::get().take_snapshot(num_);
- system_state_ = std::shared_ptr<simgrid::mc::Snapshot>(snapshot_ptr);
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
- copy_incomplete_comm_pattern();
- copy_index_comm_pattern();
- }
- }
-}
-
-std::size_t State::count_todo() const
-{
- return boost::range::count_if(this->actor_states_, [](simgrid::mc::ActorState const& a) { return a.is_todo(); });
-}
-
-Transition* State::get_transition() const
-{
- return transition_.get();
-}
-
-int State::next_transition() const
-{
- std::vector<ActorInformation>& actors = mc_model_checker->get_remote_process().actors();
- XBT_DEBUG("Search for an actor to run. %zu actors to consider", actors.size());
- for (unsigned int i = 0; i < actors.size(); i++) {
- aid_t aid = actors[i].copy.get_buffer()->get_pid();
- const ActorState* actor_state = &actor_states_[aid];
-
- /* Only consider actors (1) marked as interleaving by the checker and (2) currently enabled in the application*/
- if (not actor_state->is_todo() || not simgrid::mc::session_singleton->actor_is_enabled(aid))
- continue;
-
- return i;
- }
- return -1;
-}
-Transition* State::execute_next(int next)
-{
- std::vector<ActorInformation>& actors = mc_model_checker->get_remote_process().actors();
-
- kernel::actor::ActorImpl* actor = actors[next].copy.get_buffer();
- aid_t aid = actor->get_pid();
- int times_considered;
-
- simgrid::mc::ActorState* actor_state = &actor_states_[aid];
- /* This actor is ready to be executed. Prepare its execution when simcall_handle will be called on it */
- if (actor->simcall_.observer_ != nullptr) {
- times_considered = actor_state->get_times_considered_and_inc();
- if (actor->simcall_.mc_max_consider_ <= actor_state->get_times_considered())
- actor_state->set_done();
- } else {
- times_considered = 0;
- actor_state->set_done();
- }
-
- transition_->init(aid, times_considered);
- executed_req_ = actor->simcall_;
-
- XBT_DEBUG("Let's run actor %ld, going for transition %s", aid, transition_->to_cstring());
-
- Transition::executed_transitions_++;
-
- Transition* res = mc_model_checker->handle_simcall(*transition_, true);
- mc_model_checker->wait_for_requests();
-
- return res;
-}
-
-void State::copy_incomplete_comm_pattern()
-{
- incomplete_comm_pattern_.clear();
- const unsigned long maxpid = api::get().get_maxpid();
- for (unsigned long i = 0; i < maxpid; i++) {
- std::vector<simgrid::mc::PatternCommunication> res;
- for (auto const& comm : incomplete_communications_pattern[i])
- res.push_back(comm->dup());
- incomplete_comm_pattern_.push_back(std::move(res));
- }
-}
-
-void State::copy_index_comm_pattern()
-{
- communication_indices_.clear();
- for (auto const& list_process_comm : initial_communications_pattern)
- this->communication_indices_.push_back(list_process_comm.index_comm);
-}
-
-}
-}
