- .def("register_function", [](Engine*, std::string name, std::function<void(std::vector<std::string>)> f) {
- simgrid::simix::register_function(name,
- [f](std::vector<std::string> args) -> simgrid::simix::ActorCode {
- return [args, f]() { f(args); };
- });
- }, "Registers the main function of an actor that will be launched from the deployment file");
-
- // Currently, Host lead to segfault:
- py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>>(m, "Host")
- .def("by_name", &Host::by_name, "Retrieve an host from its name, or die");
-
- py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor", "An actor is an independent stream of execution in your distributed application");
-
- // Select the right template instantiation
- simgrid::s4u::ActorPtr (*create_actor)(std::string, Host*, std::function<void()>) = &Actor::create;
-
- m.def("create_actor", create_actor, "Create an actor");
- m.def("create_actor", [](std::string name, Host* host) -> std::function<ActorPtr(std::function<void()>)> {
- return [name, host](std::function<void()> f) -> ActorPtr {
- return simgrid::s4u::Actor::create(name, host, std::move(f));
- };
- }, "Create an actor");
+ .def("register_actor",
+ [pyStopRequestEx](Engine*, std::string name, py::object fun_or_class) {
+ simgrid::simix::register_function(
+ name, [pyStopRequestEx, fun_or_class](std::vector<std::string> args) -> simgrid::simix::ActorCode {
+ return [pyStopRequestEx, fun_or_class, args]() {
+ 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 (py::error_already_set& ex) {
+ if (ex.matches(pyStopRequestEx)) {
+ XBT_VERB("Actor killed");
+ /* Stop here that StopRequest exception which was meant to free the RAII stuff on the stack */
+ } else {
+ throw;
+ }
+ }
+ };
+ });
+ },
+ "Registers the main function of an actor, see :cpp:func:`simgrid::s4u::Engine::register_function()`");
+
+ /* Class Host */
+ py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>>(m, "Host", "Simulation Engine, see :ref:`class s4u::Host <API_s4u_Host>`")
+ .def("by_name", &Host::by_name, "Retrieves a host from its name, or die")
+ .def("current", &Host::current, "Retrieves the host on which the running actor is located, see :cpp:func:`simgrid::s4u::Host::current()`")
+ .def_property_readonly("name", [](Host* self) -> const std::string {
+ return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
+ }, "The name of this host")
+ .def_property_readonly("speed", &Host::get_speed,
+ "The peak computing speed in flops/s at the current pstate, taking the external load into account, see :cpp:func:`simgrid::s4u::Host::get_speed()`");
+
+ /* Class Mailbox */
+ py::class_<simgrid::s4u::Mailbox, std::unique_ptr<Mailbox, py::nodelete>>(m, "Mailbox", "Mailbox, see :ref:`class s4u::Mailbox <API_s4u_Mailbox>`")
+ .def("by_name", &Mailbox::by_name, "Retrieve a Mailbox from its name, see :cpp:func:`simgrid::s4u::Mailbox::by_name()`")
+ .def_property_readonly("name", [](Mailbox* self) -> const std::string {
+ return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
+ }, "The name of that mailbox, see :cpp:func:`simgrid::s4u::Mailbox::get_name()`")
+ .def("put", [](Mailbox self, py::object data, int size) {
+ data.inc_ref();
+ self.put(data.ptr(), size);
+ }, "Blocking data transmission, see :cpp:func:`void simgrid::s4u::Mailbox::put(void*, uint64_t)`")
+ .def("get", [](Mailbox self) -> py::object {
+ py::object data = pybind11::reinterpret_steal<py::object>(pybind11::handle(static_cast<PyObject*>(self.get())));
+ data.dec_ref();
+ return data;
+ }, "Blocking data reception, see :cpp:func:`void* simgrid::s4u::Mailbox::get()`");
+
+ /* Class Actor */
+ py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor",
+ "An actor is an independent stream of execution in your distributed "
+ "application, see :ref:`class s4u::Actor <API_s4u_Actor>`")
+
+ .def("create",
+ [pyStopRequestEx](py::str name, py::object host, py::object fun, py::args args) {
+
+ return simgrid::s4u::Actor::create(name, host.cast<Host*>(), [fun, args, pyStopRequestEx]() {
+
+ try {
+ fun(*args);
+ } catch (py::error_already_set& ex) {
+ if (ex.matches(pyStopRequestEx)) {
+ XBT_VERB("Actor killed");
+ /* Stop here that StopRequest exception which was meant to free the RAII stuff on the stack */
+ } else {
+ throw;
+ }
+ }
+ });
+ },
+ "Create an actor from a function or an object, see :cpp:func:`simgrid::s4u::Actor::create()`")
+ .def_property("host", &Actor::get_host, &Actor::migrate, "The host on which this actor is located")
+ .def_property_readonly("pid", &Actor::get_pid, "The PID (unique identifier) of this actor.")
+ .def("by_pid", &Actor::by_pid, "Retrieve an actor by its PID")
+ .def("daemonize", &Actor::daemonize,
+ "This actor will be automatically terminated when the last non-daemon actor finishes, see :cpp:func:`void "
+ "simgrid::s4u::Actor::daemonize()`")
+ .def("join", py::overload_cast<double>(&Actor::join),
+ "Wait for the actor to finish, see :cpp:func:`void simgrid::s4u::Actor::join(double)`", py::arg("timeout"))
+ .def("kill", [](ActorPtr act) { act->kill(); }, "Kill that actor")
+ .def("kill_all", &Actor::kill_all, "Kill all actors but the caller.")
+ .def("migrate", &Actor::migrate,
+ "Moves that actor to another host, see :cpp:func:`void simgrid::s4u::Actor::migrate()`", py::arg("dest"))
+ .def("self", &Actor::self, "Retrieves the current actor, see :cpp:func:`void simgrid::s4u::Actor::self()`")
+ .def("is_suspended", &Actor::is_suspended, "Returns True if that actor is currently suspended.")
+ .def("suspend", &Actor::suspend, "Suspend that actor, that is blocked until resume()ed by another actor.")
+ .def("resume", &Actor::resume, "Resume that actor, that was previously suspend()ed.");