-/* Copyright (c) 2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2019. 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 <memory>
-#include <string>
-#include <vector>
+#ifdef _WIN32
+#warning Try to work around https://bugs.python.org/issue11566
+#define _hypot hypot
+#endif
-#include <pybind11/pybind11.h>
+#include <pybind11/functional.h>
+#include <pybind11/pybind11.h> // Must come before our own stuff
#include <pybind11/stl.h>
+#include "src/kernel/context/Context.hpp"
+#include <simgrid/Exception.hpp>
#include <simgrid/s4u/Actor.hpp>
#include <simgrid/s4u/Engine.hpp>
#include <simgrid/s4u/Host.hpp>
#include <simgrid/s4u/Mailbox.hpp>
+#include <memory>
+#include <string>
+#include <vector>
+
namespace py = pybind11;
using simgrid::s4u::Actor;
using simgrid::s4u::ActorPtr;
static std::string get_simgrid_version()
{
- int major, minor, patch;
+ int major;
+ int minor;
+ int patch;
sg_version_get(&major, &minor, &patch);
return simgrid::xbt::string_printf("%i.%i.%i", major, minor, patch);
}
m.attr("simgrid_version") = simgrid_version;
+ // Internal exception used to kill actors and sweep the RAII chimney (free objects living on the stack)
+ py::object pyForcefulKillEx = py::register_exception<simgrid::ForcefulKillException>(m, "ActorKilled");
+
/* this_actor namespace */
void (*sleep_for_fun)(double) = &simgrid::s4u::this_actor::sleep_for; // pick the right overload
void (*sleep_until_fun)(double) = &simgrid::s4u::this_actor::sleep_until;
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("error", [](char* s) { XBT_ERROR("%s", s); }, "Display a logging message of 'error' 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("get_host", &simgrid::s4u::this_actor::get_host, "Retrives host on which the current actor is located");
+ m2.def("get_host", &simgrid::s4u::this_actor::get_host, "Retrieves host on which the current actor is located");
m2.def("migrate", &simgrid::s4u::this_actor::migrate, "Moves the current actor to another host, see :cpp:func:`void simgrid::s4u::this_actor::migrate()`",
py::arg("dest"));
m2.def("sleep_for", sleep_for_fun,
m2.def("suspend", &simgrid::s4u::this_actor::suspend, "Suspend the current actor, that is blocked until resume()ed by another actor. see :cpp:func:`void simgrid::s4u::this_actor::suspend`");
m2.def("yield_", &simgrid::s4u::this_actor::yield,
"Yield the actor, see :cpp:func:`void simgrid::s4u::this_actor::yield()`");
+ m2.def("exit", &simgrid::s4u::this_actor::exit, "kill the current actor");
+ m2.def("on_exit",
+ [](py::object fun) {
+ ActorPtr act = Actor::self();
+ simgrid::s4u::this_actor::on_exit([act, fun](bool /*failed*/) {
+ try {
+ fun();
+ } catch (py::error_already_set& e) {
+ xbt_die("Error while executing the on_exit lambda: %s", e.what());
+ }
+ });
+ },
+ "");
/* Class Engine */
py::class_<Engine>(m, "Engine", "Simulation Engine, see :ref:`class s4u::Engine <API_s4u_Engine>`")
return new simgrid::s4u::Engine(&argc, argv.get());
}))
.def("get_all_hosts", &Engine::get_all_hosts, "Returns the list of all hosts found in the platform")
- .def("get_clock", &Engine::get_clock, "Retrieve the simulation time")
+ .def("get_clock", &Engine::get_clock, "Retrieve the simulation time (in seconds)")
.def("load_platform", &Engine::load_platform,
- "Load a platform file describing the environment, see :cpp:func:`simgrid::s4u::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()`")
+ "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_actor", [](Engine*, std::string name, py::object obj) {
- simgrid::simix::register_function(name,
- [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, see :cpp:func:`simgrid::s4u::Engine::register_function()`")
- ;
+ .def("register_actor",
+ [pyForcefulKillEx](Engine*, const std::string& name, py::object fun_or_class) {
+ simgrid::simix::register_function(
+ name, [pyForcefulKillEx, fun_or_class](std::vector<std::string> args) -> simgrid::simix::ActorCode {
+ return [pyForcefulKillEx, 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(pyForcefulKillEx)) {
+ XBT_VERB("Actor killed");
+ /* Stop here that ForcefulKill 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>`")
"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();
+ [pyForcefulKillEx](py::str name, py::object host, py::object fun, py::args args) {
+
+ return simgrid::s4u::Actor::create(name, host.cast<Host*>(), [fun, args, pyForcefulKillEx]() {
+
+ try {
+ fun(*args);
+ } catch (py::error_already_set& ex) {
+ if (ex.matches(pyForcefulKillEx)) {
+ XBT_VERB("Actor killed");
+ /* Stop here that ForcefulKill 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("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("migrate", &Actor::migrate, "Moves that actor to another host, see :cpp:func:`void simgrid::s4u::Actor::migrate()`",
- py::arg("dest"))
+ .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("suspend", &Actor::suspend, "Suspend that actor, that is blocked until resume()ed by another actor. See :cpp:func:`void simgrid::s4u::Actor::suspend()`")
- .def("resume", &Actor::resume, "Resume that actor, that was previously suspend()ed. See :cpp:func:`void simgrid::s4u::Actor::suspend()`");
-
+ .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.");
}
