+ .def("run", &Engine::run, py::call_guard<GilScopedRelease>(), "Run the simulation")
+ .def(
+ "register_actor",
+ [](Engine* e, const std::string& name, py::object fun_or_class) {
+ e->register_actor(name, [fun_or_class](std::vector<std::string> args) {
+ GilScopedAcquire py_context;
+ try {
+ /* Convert the std::vector into a py::tuple */
+ py::tuple params(args.size() - 1);
+ for (size_t i = 1; i < args.size(); i++)
+ params[i - 1] = py::cast(args[i]);
+
+ py::object res = fun_or_class(*params);
+
+ /* If I was passed a class, I just built an instance, so I need to call it now */
+ if (py::isinstance<py::function>(res))
+ res();
+ } catch (const py::error_already_set& ex) {
+ bool ffk = ex.matches(pyForcefulKillEx);
+ py_context.reset();
+ if (ffk) {
+ XBT_VERB("Actor killed");
+ /* Forward that ForcefulKill exception */
+ simgrid::ForcefulKillException::do_throw();
+ }
+ throw;
+ }
+ });
+ },
+ "Registers the main function of an actor");
+
+ /* Class Host */
+ py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>>(m, "Host", "Simulated host")
+ .def("by_name", &Host::by_name, "Retrieves a host from its name, or die")
+ .def("get_pstate_count", &Host::get_pstate_count, "Retrieve the cound of defined pstate levels")
+ .def("get_pstate_speed", &Host::get_pstate_speed, "Retrieve the maximal speed at the given pstate")
+ .def_property(
+ "pstate", &Host::get_pstate,
+ [](Host* h, int i) {
+ GilScopedRelease gil_guard;
+ h->set_pstate(i);
+ },
+ "The current pstate")
+ .def("current", &Host::current, py::call_guard<GilScopedRelease>(),
+ "Retrieves the host on which the running actor is located.")
+ .def_property_readonly(
+ "name",
+ [](const Host* self) {
+ return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
+ },
+ "The name of this host")
+ .def_property_readonly(
+ "load", &Host::get_load,
+ "Returns the current computation load (in flops per second). This is the currently achieved speed.")
+ .def_property_readonly(
+ "speed", &Host::get_speed,
+ "The peak computing speed in flops/s at the current pstate, taking the external load into account. "
+ "This is the max potential speed.");
+
+ /* Class Mailbox */
+ py::class_<simgrid::s4u::Mailbox, std::unique_ptr<Mailbox, py::nodelete>>(m, "Mailbox", "Mailbox")
+ .def(
+ "__str__", [](const Mailbox* self) { return std::string("Mailbox(") + self->get_cname() + ")"; },
+ "Textual representation of the Mailbox`")
+ .def("by_name", &Mailbox::by_name, py::call_guard<GilScopedRelease>(), "Retrieve a Mailbox from its name")
+ .def_property_readonly(
+ "name",
+ [](const Mailbox* self) {
+ return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
+ },
+ "The name of that mailbox")
+ .def(
+ "put",
+ [](Mailbox* self, py::object data, int size) {
+ data.inc_ref();
+ self->put(data.ptr(), size);
+ },
+ py::call_guard<GilScopedRelease>(), "Blocking data transmission")
+ .def(
+ "put_async",
+ [](Mailbox* self, py::object data, int size) {
+ data.inc_ref();
+ return self->put_async(data.ptr(), size);
+ },
+ py::call_guard<GilScopedRelease>(), "Non-blocking data transmission")
+ .def(
+ "get",
+ [](Mailbox* self) {
+ py::object data = pybind11::reinterpret_steal<py::object>(static_cast<PyObject*>(self->get()));
+ // data.dec_ref(); // FIXME: why does it break python-actor-create?
+ return data;
+ },
+ py::call_guard<GilScopedRelease>(), "Blocking data reception");
+
+ /* Class Comm */
+ py::class_<simgrid::s4u::Comm, simgrid::s4u::CommPtr>(m, "Comm", "Communication")
+ .def("test", &simgrid::s4u::Comm::test, py::call_guard<GilScopedRelease>(),
+ "Test whether the communication is terminated.")
+ .def("wait", &simgrid::s4u::Comm::wait, py::call_guard<GilScopedRelease>(),
+ "Block until the completion of that communication.")
+ .def("wait_all", &simgrid::s4u::Comm::wait_all, py::call_guard<GilScopedRelease>(),
+ "Block until the completion of all communications in the list.")
+ .def("wait_any", &simgrid::s4u::Comm::wait_any, py::call_guard<GilScopedRelease>(),
+ "Block until the completion of any communication in the list and return the index of the terminated one.");
+
+ /* Class Exec */
+ py::class_<simgrid::s4u::Exec, simgrid::s4u::ExecPtr>(m, "Exec", "Execution")
+ .def_property_readonly(
+ "remaining",
+ [](simgrid::s4u::ExecPtr self) {
+ GilScopedRelease gil_guard;
+ return self->get_remaining();
+ },
+ "Amount of flops that remain to be computed until completion.")
+ .def_property_readonly(
+ "remaining_ratio",
+ [](simgrid::s4u::ExecPtr self) {
+ GilScopedRelease gil_guard;
+ return self->get_remaining_ratio();
+ },
+ "Amount of work remaining until completion from 0 (completely done) to 1 (nothing done "
+ "yet).")
+ .def_property("host", &simgrid::s4u::Exec::get_host, &simgrid::s4u::Exec::set_host,
+ "Host on which this execution runs. Only the first host is returned for parallel executions.")
+ .def("test", &simgrid::s4u::Exec::test, py::call_guard<GilScopedRelease>(),
+ "Test whether the execution is terminated.")
+ .def("cancel", &simgrid::s4u::Exec::cancel, py::call_guard<GilScopedRelease>(), "Cancel that execution.")
+ .def("start", &simgrid::s4u::Exec::start, py::call_guard<GilScopedRelease>(), "Start that execution.")
+ .def("wait", &simgrid::s4u::Exec::wait, py::call_guard<GilScopedRelease>(),
+ "Block until the completion of that execution.");
+
+ /* Class Actor */
+ py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor",
+ "An actor is an independent stream of execution in your distributed "
+ "application")
+ .def(
+ "create",
+ [](py::str name, Host* host, py::object fun, py::args args) {
+ fun.inc_ref(); // FIXME: why is this needed for tests like exec-async, exec-dvfs and exec-remote?
+ args.inc_ref(); // FIXME: why is this needed for tests like actor-migrate?
+ return simgrid::s4u::Actor::create(name, host, [fun, args]() {
+ GilScopedAcquire py_context;
+ try {
+ fun(*args);
+ } catch (const py::error_already_set& ex) {
+ bool ffk = ex.matches(pyForcefulKillEx);
+ py_context.reset();
+ if (ffk) {
+ XBT_VERB("Actor killed");
+ /* Forward that ForcefulKill exception */
+ simgrid::ForcefulKillException::do_throw();
+ }
+ throw;
+ }
+ });
+ },
+ py::call_guard<GilScopedRelease>(), "Create an actor from a function or an object.")
+ .def_property(
+ "host", &Actor::get_host,
+ [](Actor* a, Host* h) {
+ GilScopedRelease gil_guard;
+ a->set_host(h);
+ },
+ "The host on which this actor is located")
+ .def_property_readonly("name", &Actor::get_cname, "The name of this actor.")
+ .def_property_readonly("pid", &Actor::get_pid, "The PID (unique identifier) of this actor.")
+ .def_property_readonly("ppid", &Actor::get_ppid,
+ "The PID (unique identifier) of the actor that created this one.")
+ .def("by_pid", &Actor::by_pid, "Retrieve an actor by its PID")
+ .def("daemonize", &Actor::daemonize, py::call_guard<GilScopedRelease>(),
+ "This actor will be automatically terminated when the last non-daemon actor finishes (more info in the C++ "
+ "documentation).")
+ .def("is_daemon", &Actor::is_daemon,
+ "Returns True if that actor is a daemon and will be terminated automatically when the last non-daemon actor "
+ "terminates.")
+ .def("join", py::overload_cast<double>(&Actor::join), py::call_guard<GilScopedRelease>(),
+ "Wait for the actor to finish (more info in the C++ documentation).", py::arg("timeout"))
+ .def("kill", &Actor::kill, py::call_guard<GilScopedRelease>(), "Kill that actor")
+ .def("kill_all", &Actor::kill_all, py::call_guard<GilScopedRelease>(), "Kill all actors but the caller.")
+ .def("self", &Actor::self, "Retrieves the current actor.")
+ .def("is_suspended", &Actor::is_suspended, "Returns True if that actor is currently suspended.")
+ .def("suspend", &Actor::suspend, py::call_guard<GilScopedRelease>(),
+ "Suspend that actor, that is blocked until resume()ed by another actor.")
+ .def("resume", &Actor::resume, py::call_guard<GilScopedRelease>(),
+ "Resume that actor, that was previously suspend()ed.");