#pragma GCC diagnostic pop
#endif
+#include "simgrid/kernel/ProfileBuilder.hpp"
#include "simgrid/kernel/routing/NetPoint.hpp"
#include "src/kernel/context/Context.hpp"
#include <simgrid/Exception.hpp>
using simgrid::s4u::ActorPtr;
using simgrid::s4u::Engine;
using simgrid::s4u::Host;
+using simgrid::s4u::Link;
using simgrid::s4u::Mailbox;
XBT_LOG_NEW_DEFAULT_CATEGORY(python, "python");
// Internal exception used to kill actors and sweep the RAII chimney (free objects living on the stack)
static py::object pyForcefulKillEx(py::register_exception<simgrid::ForcefulKillException>(m, "ActorKilled"));
+ py::register_exception<simgrid::NetworkFailureException>(m, "NetworkFailureException");
+ py::register_exception<simgrid::TimeoutException>(m, "TimeoutException");
+
/* this_actor namespace */
m.def_submodule("this_actor", "Bindings of the s4u::this_actor namespace. See the C++ documentation for details.")
.def(
.def("exit", &simgrid::s4u::this_actor::exit, py::call_guard<py::gil_scoped_release>(), "kill the current actor")
.def(
"on_exit",
- [](py::object fun) {
+ [](py::object cb) {
+ py::function fun = py::reinterpret_borrow<py::function>(cb);
fun.inc_ref(); // FIXME: why is this needed for tests like actor-kill and actor-lifetime?
simgrid::s4u::this_actor::on_exit([fun](bool /*failed*/) {
try {
.def_static(
"instance", []() { return Engine::get_instance(); }, "Retrieve the simulation engine")
.def("get_all_hosts", &Engine::get_all_hosts, "Returns the list of all hosts found in the platform")
+ .def("get_all_links", &Engine::get_all_links, "Returns the list of all links found in the platform")
+
+ .def("get_netzone_root", &Engine::get_netzone_root, "Retrieve the root netzone, containing all others.")
+ .def("get_all_netpoints", &Engine::get_all_netpoints)
+ .def("get_netzone_root", &Engine::get_netzone_root)
+ .def("netpoint_by_name", &Engine::netpoint_by_name_or_null)
+ .def("netzone_by_name", &Engine::netzone_by_name_or_null)
+ .def("set_netzone_root", &Engine::set_netzone_root)
+
.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("run", &Engine::run, py::call_guard<py::gil_scoped_release>(), "Run the simulation until its end")
py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>> host(
m, "Host", "Simulated host. See the C++ documentation for details.");
host.def("by_name", &Host::by_name, "Retrieves a host from its name, or die")
+ .def(
+ "route_to",
+ [](const simgrid::s4u::Host* h, const simgrid::s4u::Host* to) {
+ auto* list = new std::vector<Link*>();
+ double bw = 0;
+ h->route_to(to, *list, &bw);
+ return make_tuple(list, bw);
+ },
+ "Retrieves the list of links and the bandwidth between two hosts.")
+ .def(
+ "set_speed_profile",
+ [](Host* h, const std::string& profile, double period) {
+ h->set_speed_profile(simgrid::kernel::profile::ProfileBuilder::from_string("", profile, period));
+ },
+ py::call_guard<py::gil_scoped_release>(),
+ "Specify a profile modeling the external load according to an exhaustive list. "
+ "Each line of the profile describes timed events as ``date ratio``. "
+ "For example, the following content describes an host which computational speed is initially 1 (i.e, 100%) "
+ "and then halved after 42 seconds:\n\n"
+ ".. code-block:: python\n\n"
+ " \"\"\"\n"
+ " 0 1.0\n"
+ " 42 0.5\n"
+ " \"\"\"\n\n"
+ ".. warning:: Don't get fooled: bandwidth and latency profiles of links contain absolute values,"
+ " while speed profiles of hosts contain ratios.\n\n"
+ "The second function parameter is the periodicity: the time to wait after the last event to start again over "
+ "the list. Set it to -1 to not loop over.")
+ .def(
+ "set_state_profile",
+ [](Host* h, const std::string& profile, double period) {
+ h->set_state_profile(simgrid::kernel::profile::ProfileBuilder::from_string("", profile, period));
+ },
+ py::call_guard<py::gil_scoped_release>(),
+ "Specify a profile modeling the churn. "
+ "Each line of the profile describes timed events as ``date boolean``, where the boolean (0 or 1) tells "
+ "whether the host is on. "
+ "For example, the following content describes a link which turns off at t=1 and back on at t=2:\n\n"
+ ".. code-block:: python\n\n"
+ " \"\"\"\n"
+ " 1.0 0\n"
+ " 2.0 1\n"
+ " \"\"\"\n\n"
+ "The second function parameter is the periodicity: the time to wait after the last event to start again over "
+ "the list. Set it to -1 to not loop over.")
.def("get_pstate_count", &Host::get_pstate_count, "Retrieve the count of defined pstate levels")
.def("get_pstate_speed", &Host::get_pstate_speed, "Retrieve the maximal speed at the given pstate")
.def("get_netpoint", &Host::get_netpoint, "Retrieve the netpoint associated to this host")
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("load", &Host::get_load,
+ "Returns the current computation load (in flops per second), NOT taking the external load "
+ "into account. 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.");
+ "The peak computing speed in flops/s at the current pstate, NOT taking the external load into account. "
+ "This is the max potential speed.")
+ .def_property_readonly(
+ "available_speed", &Host::get_available_speed,
+ "Get the available speed ratio, between 0 and 1.\n"
+ "This accounts for external load (see :py:func:`set_speed_profile() <simgrid.Host.set_speed_profile>`).")
+ .def(
+ "on_creation_cb",
+ [](py::object cb) {
+ Host::on_creation_cb([cb](Host& h) {
+ py::function fun = py::reinterpret_borrow<py::function>(cb);
+ try {
+ py::gil_scoped_acquire py_context; // need a new context for callback
+ fun(&h);
+ } catch (const py::error_already_set& e) {
+ xbt_die("Error while executing the on_creation lambda : %s", e.what());
+ }
+ });
+ },
+ py::call_guard<py::gil_scoped_release>(), "");
+
py::enum_<simgrid::s4u::Host::SharingPolicy>(host, "SharingPolicy")
.value("NONLINEAR", simgrid::s4u::Host::SharingPolicy::NONLINEAR)
.value("LINEAR", simgrid::s4u::Host::SharingPolicy::LINEAR)
netpoint(m, "NetPoint", "NetPoint object");
/* Class Link */
- py::class_<simgrid::s4u::Link, std::unique_ptr<simgrid::s4u::Link, py::nodelete>> link(
- m, "Link", "Network link. See the C++ documentation for details.");
- link.def("set_latency", py::overload_cast<const std::string&>(&simgrid::s4u::Link::set_latency),
- py::call_guard<py::gil_scoped_release>(), "Set the latency")
- .def("set_latency", py::overload_cast<double>(&simgrid::s4u::Link::set_latency),
- py::call_guard<py::gil_scoped_release>(), "Set the latency")
- .def("set_sharing_policy", &simgrid::s4u::Link::set_sharing_policy, py::call_guard<py::gil_scoped_release>(),
+ py::class_<Link, std::unique_ptr<Link, py::nodelete>> link(m, "Link",
+ "Network link. See the C++ documentation for details.");
+ link.def("set_latency", py::overload_cast<const std::string&>(&Link::set_latency),
+ py::call_guard<py::gil_scoped_release>(),
+ "Set the latency as a string. Accepts values with units, such as ‘1s’ or ‘7ms’.\nFull list of accepted "
+ "units: w (week), d (day), h, s, ms, us, ns, ps.")
+ .def("set_latency", py::overload_cast<double>(&Link::set_latency), py::call_guard<py::gil_scoped_release>(),
+ "Set the latency as a float (in seconds).")
+ .def("set_bandwidth", &Link::set_bandwidth, py::call_guard<py::gil_scoped_release>(),
+ "Set the bandwidth (in byte per second).")
+ .def(
+ "set_bandwidth_profile",
+ [](Link* l, const std::string& profile, double period) {
+ l->set_bandwidth_profile(simgrid::kernel::profile::ProfileBuilder::from_string("", profile, period));
+ },
+ py::call_guard<py::gil_scoped_release>(),
+ "Specify a profile modeling the external load according to an exhaustive list. "
+ "Each line of the profile describes timed events as ``date bandwidth`` (in bytes per second). "
+ "For example, the following content describes a link which bandwidth changes to 40 Mb/s at t=4, and to 6 "
+ "Mb/s at t=8:\n\n"
+ ".. code-block:: python\n\n"
+ " \"\"\"\n"
+ " 4.0 40000000\n"
+ " 8.0 60000000\n"
+ " \"\"\"\n\n"
+ ".. warning:: Don't get fooled: bandwidth and latency profiles of links contain absolute values,"
+ " while speed profiles of hosts contain ratios.\n\n"
+ "The second function parameter is the periodicity: the time to wait after the last event to start again over "
+ "the list. Set it to -1 to not loop over.")
+ .def(
+ "set_latency_profile",
+ [](Link* l, const std::string& profile, double period) {
+ l->set_latency_profile(simgrid::kernel::profile::ProfileBuilder::from_string("", profile, period));
+ },
+ py::call_guard<py::gil_scoped_release>(),
+ "Specify a profile modeling the external load according to an exhaustive list. "
+ "Each line of the profile describes timed events as ``date latency`` (in seconds). "
+ "For example, the following content describes a link which latency changes to 1ms (0.001s) at t=1, and to 2s "
+ "at t=2:\n\n"
+ ".. code-block:: python\n\n"
+ " \"\"\"\n"
+ " 1.0 0.001\n"
+ " 2.0 2\n"
+ " \"\"\"\n\n"
+ ".. warning:: Don't get fooled: bandwidth and latency profiles of links contain absolute values,"
+ " while speed profiles of hosts contain ratios.\n\n"
+ "The second function parameter is the periodicity: the time to wait after the last event to start again over "
+ "the list. Set it to -1 to not loop over.")
+ .def(
+ "set_state_profile",
+ [](Link* l, const std::string& profile, double period) {
+ l->set_state_profile(simgrid::kernel::profile::ProfileBuilder::from_string("", profile, period));
+ },
+ "Specify a profile modeling the churn. "
+ "Each line of the profile describes timed events as ``date boolean``, where the boolean (0 or 1) tells "
+ "whether the link is on. "
+ "For example, the following content describes a link which turns off at t=1 and back on at t=2:\n\n"
+ ".. code-block:: python\n\n"
+ " \"\"\"\n"
+ " 1.0 0\n"
+ " 2.0 1\n"
+ " \"\"\"\n\n"
+ "The second function parameter is the periodicity: the time to wait after the last event to start again over "
+ "the list. Set it to -1 to not loop over.")
+
+ .def("turn_on", &Link::turn_on, py::call_guard<py::gil_scoped_release>(), "Turns the link on.")
+ .def("turn_off", &Link::turn_off, py::call_guard<py::gil_scoped_release>(), "Turns the link off.")
+ .def("is_on", &Link::is_on, "Check whether the link is on.")
+
+ .def("set_sharing_policy", &Link::set_sharing_policy, py::call_guard<py::gil_scoped_release>(),
"Set sharing policy for this link")
- .def("set_concurrency_limit", &simgrid::s4u::Link::set_concurrency_limit,
- py::call_guard<py::gil_scoped_release>(), "Set concurrency limit for this link")
- .def("set_host_wifi_rate", &simgrid::s4u::Link::set_host_wifi_rate, py::call_guard<py::gil_scoped_release>(),
+ .def("set_concurrency_limit", &Link::set_concurrency_limit, py::call_guard<py::gil_scoped_release>(),
+ "Set concurrency limit for this link")
+ .def("set_host_wifi_rate", &Link::set_host_wifi_rate, py::call_guard<py::gil_scoped_release>(),
"Set level of communication speed of given host on this Wi-Fi link")
- .def("by_name", &simgrid::s4u::Link::by_name, "Retrieves a Link from its name, or dies")
- .def("seal", &simgrid::s4u::Link::seal, py::call_guard<py::gil_scoped_release>(), "Seal this link")
+ .def("by_name", &Link::by_name, "Retrieves a Link from its name, or dies")
+ .def("seal", &Link::seal, py::call_guard<py::gil_scoped_release>(), "Seal this link")
.def_property_readonly(
"name",
- [](const simgrid::s4u::Link* self) {
+ [](const Link* self) {
return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
},
- "The name of this link");
- py::enum_<simgrid::s4u::Link::SharingPolicy>(link, "SharingPolicy")
- .value("NONLINEAR", simgrid::s4u::Link::SharingPolicy::NONLINEAR)
- .value("WIFI", simgrid::s4u::Link::SharingPolicy::WIFI)
- .value("SPLITDUPLEX", simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX)
- .value("SHARED", simgrid::s4u::Link::SharingPolicy::SHARED)
- .value("FATPIPE", simgrid::s4u::Link::SharingPolicy::FATPIPE)
+ "The name of this link")
+ .def_property_readonly("bandwidth", &Link::get_bandwidth, "The bandwidth (in bytes per second)")
+ .def_property_readonly("latency", &Link::get_latency, "The latency (in seconds)");
+
+ py::enum_<Link::SharingPolicy>(link, "SharingPolicy")
+ .value("NONLINEAR", Link::SharingPolicy::NONLINEAR)
+ .value("WIFI", Link::SharingPolicy::WIFI)
+ .value("SPLITDUPLEX", Link::SharingPolicy::SPLITDUPLEX)
+ .value("SHARED", Link::SharingPolicy::SHARED)
+ .value("FATPIPE", Link::SharingPolicy::FATPIPE)
.export_values();
/* Class LinkInRoute */
py::class_<simgrid::s4u::LinkInRoute> linkinroute(m, "LinkInRoute", "Abstraction to add link in routes");
- linkinroute.def(py::init<const simgrid::s4u::Link*>());
- linkinroute.def(py::init<const simgrid::s4u::Link*, simgrid::s4u::LinkInRoute::Direction>());
+ linkinroute.def(py::init<const Link*>());
+ linkinroute.def(py::init<const Link*, simgrid::s4u::LinkInRoute::Direction>());
py::enum_<simgrid::s4u::LinkInRoute::Direction>(linkinroute, "Direction")
.value("UP", simgrid::s4u::LinkInRoute::Direction::UP)
.value("DOWN", simgrid::s4u::LinkInRoute::Direction::DOWN)
.export_values();
/* Class Split-Duplex Link */
- py::class_<simgrid::s4u::SplitDuplexLink, simgrid::s4u::Link,
- std::unique_ptr<simgrid::s4u::SplitDuplexLink, py::nodelete>>(m, "SplitDuplexLink",
- "Network split-duplex link")
+ py::class_<simgrid::s4u::SplitDuplexLink, Link, std::unique_ptr<simgrid::s4u::SplitDuplexLink, py::nodelete>>(
+ m, "SplitDuplexLink", "Network split-duplex link")
.def("get_link_up", &simgrid::s4u::SplitDuplexLink::get_link_up, "Get link direction up")
.def("get_link_down", &simgrid::s4u::SplitDuplexLink::get_link_down, "Get link direction down");
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, double timeout) {
+ data.inc_ref();
+ self->put(data.ptr(), size, timeout);
+ },
+ py::call_guard<py::gil_scoped_release>(), "Blocking data transmission with a timeout")
.def(
"put",
[](Mailbox* self, py::object data, int size) {
}
});
},
- py::call_guard<py::gil_scoped_release>(), "Create an actor from a function or an object.")
+ py::call_guard<py::gil_scoped_release>(),
+ "Create an actor from a function or an object. See the :ref:`example <s4u_ex_actors_create>`.")
.def_property(
"host", &Actor::get_host,
[](Actor* a, Host* h) {
.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("set_auto_restart", &Actor::set_auto_restart, py::call_guard<py::gil_scoped_release>(),
+ "Specify whether the actor shall restart when its host reboots.")
.def("daemonize", &Actor::daemonize, py::call_guard<py::gil_scoped_release>(),
"This actor will be automatically terminated when the last non-daemon actor finishes (more info in the C++ "
"documentation).")