+/* Copyright (c) 2018. 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 <functional>
#include <memory>
#include <string>
#include <simgrid/s4u/Actor.hpp>
#include <simgrid/s4u/Engine.hpp>
#include <simgrid/s4u/Host.hpp>
+#include <simgrid/s4u/Mailbox.hpp>
#include <boost/intrusive_ptr.hpp>
using simgrid::s4u::ActorPtr;
using simgrid::s4u::Engine;
using simgrid::s4u::Host;
+using simgrid::s4u::Mailbox;
XBT_LOG_NEW_DEFAULT_CATEGORY(python, "python");
m.attr("simgrid_version") = simgrid_version;
- m.def("info", [](char* s) { XBT_INFO("%s", s); }, "Display a logging message of default priority.");
-
/* this_actor namespace */
- m.def("execute", py::overload_cast<double>(&simgrid::s4u::this_actor::execute),
- "Block the actor, computing the given amount of flops");
- m.def("execute", py::overload_cast<double, double>(&simgrid::s4u::this_actor::execute),
- "Block the actor, computing the given amount of flops at the given priority");
- m.def("yield_", &simgrid::s4u::this_actor::yield, "Yield the actor");
+ py::module m2 = m.def_submodule("this_actor", "Bindings of the s4u::this_actor namespace.");
+ m2.def("info", [](char* s) { XBT_INFO("%s", s); }, "Display a logging message of default priority.");
+ m2.def("execute", py::overload_cast<double, double>(&simgrid::s4u::this_actor::execute),
+ "Block the current actor, computing the given amount of flops at the given priority, see :cpp:func:`void "
+ "simgrid::s4u::this_actor::execute(double, double)`",
+ py::arg("flops"), py::arg("priority") = 1);
+ m2.def("yield_", &simgrid::s4u::this_actor::yield,
+ "Yield the actor, see :cpp:func:`void simgrid::s4u::this_actor::yield()`");
/* Class Engine */
- py::class_<Engine>(m, "Engine")
+ py::class_<Engine>(m, "Engine", "Simulation Engine, see :ref:`class s4u::Engine <API_s4u_Engine>`")
.def(py::init([](std::vector<std::string> args) -> simgrid::s4u::Engine* {
static char noarg[] = {'\0'};
int argc = args.size();
// Currently this can be dangling, we should wrap this somehow.
return new simgrid::s4u::Engine(&argc, argv.get());
}))
- .def("load_platform", &Engine::load_platform, "Load a platform file describing the environment")
- .def("load_deployment", &Engine::load_deployment, "Load a deployment file and launch the actors that it contains")
+ .def("load_platform", &Engine::load_platform,
+ "Load a platform file describing the environment, see :cpp:func:`simgrid::s4u::Engine::load_platform()`")
+ .def("load_deployment", &Engine::load_deployment,
+ "Load a deployment file and launch the actors that it contains, see :cpp:func:`simgrid::s4u::Engine::load_deployment()`")
.def("run", &Engine::run, "Run the simulation")
- .def("register_function", [](Engine*, std::string name, std::function<void(std::vector<std::string>)> f) {
+ .def("register_actor", [](Engine*, std::string name, py::object obj) {
simgrid::simix::register_function(name,
- [f](std::vector<std::string> args) -> simgrid::simix::ActorCode {
- return [args, f]() { f(args); };
+ [obj](std::vector<std::string> args) -> simgrid::simix::ActorCode {
+ return [obj, args]() {
+ /* 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]);
+
+ PyObject *result = PyObject_CallObject(obj.ptr(), params.ptr());
+ if (!result)
+ throw pybind11::error_already_set();
+
+ /* If I was passed a class, I just built an instance, so I need to call it now */
+ if (PyCallable_Check(result)) {
+ py::object obj2 = pybind11::reinterpret_steal<py::object>(pybind11::handle(static_cast<PyObject*>(result)));
+ obj2();
+ }
+ };
});
- }, "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 a 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");
+ }, "Registers the main function of an actor, see :cpp:func:`simgrid::s4u::Engine::register_function()`")
+ ;
+
+ /* Class Host */
+ auto get_name = [](const Host* self) {
+ return self->get_name();
+ };
+ 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, "Retrieve a host from its name, or die")
+ .def("get_name", &Host::get_name, "Retrieve the name of this host")
+ .def_property_readonly("name", get_name, "Retrieve the name of this host")
+ .def_property_readonly("speed", &Host::get_speed,
+ "Get 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("get_name", &Mailbox::get_name, "Retrieves the name of that host, 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",
+ [](py::args args, py::kwargs kwargs) {
+ xbt_assert(args.size() > 2,
+ "Creating an actor takes at least 3 parameters: name, host, and main function.");
+ return simgrid::s4u::Actor::create(args[0].cast<std::string>(), args[1].cast<Host*>(), [args]() {
+ py::tuple funargs(args.size() - 3);
+ for (size_t i = 3; i < args.size(); i++)
+ funargs[i - 3] = args[i];
+
+ PyObject* result = PyObject_CallObject(args[2].ptr(), funargs.ptr());
+ if (!result)
+ throw pybind11::error_already_set();
+ });
+ },
+ "Create an actor from a function or an object, see :cpp:func:`simgrid::s4u::Actor::create()`");
}
