- 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;
-}
-
-bool Api::simcall_check_dependency(smx_simcall_t req1, smx_simcall_t req2) const
-{
- const auto IRECV = Simcall::COMM_IRECV;
- const auto ISEND = Simcall::COMM_ISEND;
- const auto TEST = Simcall::COMM_TEST;
- const auto WAIT = Simcall::COMM_WAIT;
-
- if (req1->issuer_ == req2->issuer_) // Done in observer for TEST and WAIT
- return false;
-
- /* The independence theorem only consider 4 simcalls. All others are dependent with anything. */
- if (req1->call_ != ISEND && req1->call_ != IRECV && req1->call_ != TEST && req1->call_ != WAIT)
- return true;
- if (req2->call_ != ISEND && req2->call_ != IRECV && req2->call_ != TEST && req2->call_ != WAIT)
- return true;
-
- /* Make sure that req1 and req2 are in alphabetic order */
- if (req1->call_ > req2->call_) {
- auto temp = req1;
- req1 = req2;
- req2 = temp;
- }
-
- auto comm2 = get_comm_or_nullptr(req2);
-
- /* First case: that's not the same kind of request (we also know that req1 < req2 alphabetically) */
- if (req1->call_ != req2->call_) {
- if (req1->call_ == IRECV && req2->call_ == ISEND)
- return false;
-
- if ((req1->call_ == IRECV || req1->call_ == ISEND) && req2->call_ == WAIT) {
- auto mbox1 = get_mbox_remote_addr(req1);
- auto mbox2 = remote(comm2->mbox_cpy);
-
- if (mbox1 != mbox2 && simcall_comm_wait__get__timeout(req2) <= 0)
- return false;
-
- if ((req1->issuer_ != comm2->src_actor_.get()) && (req1->issuer_ != comm2->dst_actor_.get()) &&
- simcall_comm_wait__get__timeout(req2) <= 0)
- return false;
-
- if ((req1->call_ == ISEND) && (comm2->type_ == kernel::activity::CommImpl::Type::SEND) &&
- (comm2->src_buff_ != simcall_comm_isend__get__src_buff(req1)) && simcall_comm_wait__get__timeout(req2) <= 0)
- return false;
-
- if ((req1->call_ == IRECV) && (comm2->type_ == kernel::activity::CommImpl::Type::RECEIVE) &&
- (comm2->dst_buff_ != simcall_comm_irecv__get__dst_buff(req1)) && simcall_comm_wait__get__timeout(req2) <= 0)
- return false;
- }
-
- /* FIXME: the following rule assumes that the result of the isend/irecv call is not stored in a buffer used in the
- * test call. */
-#if 0
- if((req1->call == ISEND || req1->call == IRECV)
- && req2->call == TEST)
- return false;
-#endif
-
- return true;
- }
-
- /* Second case: req1 and req2 are of the same call type */
- switch (req1->call_) {
- case ISEND:
- return simcall_comm_isend__get__mbox(req1) == simcall_comm_isend__get__mbox(req2);
- case IRECV:
- return simcall_comm_irecv__get__mbox(req1) == simcall_comm_irecv__get__mbox(req2);
- default:
- return true;
- }
-}
-
-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;
-}
-
-std::string Api::get_actor_string(smx_actor_t actor) const
-{
- std::string res;
- if (actor) {
- res = "(" + std::to_string(actor->get_pid()) + ")";
- if (actor->get_host())
- res += std::string(get_actor_host_name(actor)) + " (" + std::string(get_actor_name(actor)) + ")";
- else
- res += get_actor_name(actor);
- } else
- res = "(0) ()";
- return res;
-}
-
-std::string Api::get_actor_dot_label(smx_actor_t actor) const
-{
- std::string res = "(" + std::to_string(actor->get_pid()) + ")";
- if (actor->get_host())
- res += get_actor_host_name(actor);
- return res;
-}
-
-simgrid::mc::Checker* Api::initialize(char** argv, simgrid::mc::CheckerAlgorithm algo) const
-{
- auto session = new simgrid::mc::Session([argv] {