#ifndef SIMGRID_S4U_ACTOR_HPP
#define SIMGRID_S4U_ACTOR_HPP
-#include <atomic>
-#include <chrono>
#include <functional>
-#include <memory>
-#include <stdexcept>
-#include <string>
-#include <type_traits>
-#include <utility>
-#include <vector>
-
+#include <map> // deprecated wrappers
+#include <simgrid/chrono.hpp>
+#include <unordered_map>
#include <xbt/Extendable.hpp>
#include <xbt/functional.hpp>
-#include <xbt/string.hpp>
#include <xbt/signal.hpp>
-
-#include <simgrid/chrono.hpp>
-#include <simgrid/s4u/forward.hpp>
+#include <xbt/string.hpp>
namespace simgrid {
namespace s4u {
-/** @ingroup s4u_api
+/**
*
* An actor is an independent stream of execution in your distributed application.
*
/** @brief Simulation Agent */
class XBT_PUBLIC Actor : public simgrid::xbt::Extendable<Actor> {
- friend Exec;
- friend Mailbox;
+ friend simgrid::s4u::Exec;
+ friend simgrid::s4u::Mailbox;
friend simgrid::kernel::actor::ActorImpl;
friend simgrid::kernel::activity::MailboxImpl;
- kernel::actor::ActorImpl* pimpl_ = nullptr;
- /** Wrap a (possibly non-copyable) single-use task into a `std::function` */
- template<class F, class... Args>
- static std::function<void()> wrap_task(F f, Args... args)
- {
- typedef decltype(f(std::move(args)...)) R;
- auto task = std::make_shared<simgrid::xbt::Task<R()>>(
- simgrid::xbt::makeTask(std::move(f), std::move(args)...));
- return [task] { (*task)(); };
- }
+ kernel::actor::ActorImpl* pimpl_ = nullptr;
explicit Actor(smx_actor_t pimpl) : pimpl_(pimpl) {}
static ActorPtr self();
/** Signal to others that a new actor has been created **/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> onCreation;
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_creation;
+ /** Signal to others that an actor has been suspended**/
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_suspend;
+ /** Signal to others that an actor has been resumed **/
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_resume;
+ /** Signal to others that an actor is sleeping **/
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_sleep;
+ /** Signal to others that an actor wakes up for a sleep **/
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_wake_up;
+ /** Signal to others that an actor is going to migrated to another host**/
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_migration_start;
+ /** Signal to others that an actor is has been migrated to another host **/
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_migration_end;
/** Signal indicating that the given actor is about to disappear */
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> onDestruction;
+ static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_destruction;
- /** Create an actor using a function
+ /** Create an actor from a std::function<void()>
*
* If the actor is restarted, the actor has a fresh copy of the function.
*/
- static ActorPtr createActor(const char* name, s4u::Host* host, std::function<void()> code);
+ static ActorPtr create(std::string name, s4u::Host* host, std::function<void()> code);
- static ActorPtr createActor(const char* name, s4u::Host* host, std::function<void(std::vector<std::string>*)> code,
- std::vector<std::string>* args)
+ /** Create an actor from a std::function
+ *
+ * If the actor is restarted, the actor has a fresh copy of the function.
+ */
+ template <class F> static ActorPtr create(std::string name, s4u::Host* host, F code)
{
- return createActor(name, host, [code](std::vector<std::string>* args) { code(args); }, args);
+ return create(name, host, std::function<void()>(std::move(code)));
}
- /** Create an actor using code
+ /** Create an actor using a callable thing and its arguments.
*
- * Using this constructor, move-only type can be used. The consequence is
- * that we cannot copy the value and restart the actor in its initial
- * state. In order to use auto-restart, an explicit `function` must be passed
- * instead.
- */
- template<class F, class... Args,
- // This constructor is enabled only if the call code(args...) is valid:
- typename = typename std::result_of<F(Args...)>::type
- >
- static ActorPtr createActor(const char* name, s4u::Host *host, F code, Args... args)
+ * Note that the arguments will be copied, so move-only parameters are forbidden */
+ template <class F, class... Args,
+ // This constructor is enabled only if the call code(args...) is valid:
+ typename = typename std::result_of<F(Args...)>::type>
+ static ActorPtr create(std::string name, s4u::Host* host, F code, Args... args)
{
- return createActor(name, host, wrap_task(std::move(code), std::move(args)...));
+ return create(name, host, std::bind(std::move(code), std::move(args)...));
}
// Create actor from function name:
-
- static ActorPtr createActor(const char* name, s4u::Host* host, const char* function, std::vector<std::string> args);
+ static ActorPtr create(std::string name, s4u::Host* host, std::string function, std::vector<std::string> args);
// ***** Methods *****
/** This actor will be automatically terminated when the last non-daemon actor finishes **/
void daemonize();
/** Returns whether or not this actor has been daemonized or not **/
- bool isDaemon();
+ bool is_daemon() const;
/** Retrieves the name of that actor as a C++ string */
- const simgrid::xbt::string& getName() const;
+ const simgrid::xbt::string& get_name() const;
/** Retrieves the name of that actor as a C string */
- const char* getCname() const;
+ const char* get_cname() const;
/** Retrieves the host on which that actor is running */
- s4u::Host* getHost();
+ s4u::Host* get_host();
/** Retrieves the PID of that actor
*
* aid_t is an alias for long */
- aid_t getPid();
+ aid_t get_pid() const;
/** Retrieves the PPID of that actor
*
* aid_t is an alias for long */
- aid_t getPpid();
+ aid_t get_ppid() const;
/** Suspend an actor by suspending the task on which it was waiting for the completion. */
void suspend();
/** Resume a suspended actor by resuming the task on which it was waiting for the completion. */
void resume();
-
+
void yield();
-
+
/** Returns true if the actor is suspended. */
- int isSuspended();
+ bool is_suspended();
/** If set to true, the actor will automatically restart when its host reboots */
- void setAutoRestart(bool autorestart);
+ void set_auto_restart(bool autorestart);
/** Add a function to the list of "on_exit" functions for the current actor. The on_exit functions are the functions
* executed when your actor is killed. You should use them to free the data used by your actor.
*/
- void onExit(int_f_pvoid_pvoid_t fun, void* data);
+ void on_exit(std::function<void(int, void*)> fun, void* data);
/** Sets the time at which that actor should be killed */
- void setKillTime(double time);
+ void set_kill_time(double time);
/** Retrieves the time at which that actor will be killed (or -1 if not set) */
- double getKillTime();
+ double get_kill_time();
+ /** @brief Moves the actor to another host
+ *
+ * If the actor is currently blocked on an execution activity, the activity is also
+ * migrated to the new host. If it's blocked on another kind of activity, an error is
+ * raised as the mandated code is not written yet. Please report that bug if you need it.
+ *
+ * Asynchronous activities started by the actor are not migrated automatically, so you have
+ * to take care of this yourself (only you knows which ones should be migrated).
+ */
void migrate(Host * new_host);
/** Ask the actor to die.
*/
void kill();
+ /** Kill an actor from its ID */
static void kill(aid_t pid);
/** Retrieves the actor that have the given PID (or nullptr if not existing) */
- static ActorPtr byPid(aid_t pid);
+ static ActorPtr by_pid(aid_t pid);
- /** @brief Wait for the actor to finish.
+ /** Wait for the actor to finish.
*
* This blocks the calling actor until the actor on which we call join() is terminated
*/
void join();
void join(double timeout);
-
- // Static methods on all actors:
+ Actor* restart();
/** Ask kindly to all actors to die. Only the issuer will survive. */
- static void killAll();
- static void killAll(int resetPid);
+ static void kill_all();
/** Returns the internal implementation of this actor */
- kernel::actor::ActorImpl* getImpl();
+ kernel::actor::ActorImpl* get_impl();
/** Retrieve the property value (or nullptr if not set) */
- std::map<std::string, std::string>* getProperties();
- const char* getProperty(const char* key);
- void setProperty(const char* key, const char* value);
- Actor* restart();
+ std::unordered_map<std::string, std::string>*
+ get_properties(); // FIXME: do not export the map, but only the keys or something
+ const char* get_property(std::string key);
+ void set_property(std::string key, std::string value);
+
+#ifndef DOXYGEN
+ /** @deprecated See Actor::create() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
+ const char* name, s4u::Host* host, std::function<void()> code)
+ {
+ return create(name, host, code);
+ }
+ /** @deprecated See Actor::create() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
+ const char* name, s4u::Host* host, std::function<void(std::vector<std::string>*)> code,
+ std::vector<std::string>* args)
+ {
+ return create(name, host, code, args);
+ }
+ /** @deprecated See Actor::create() */
+ template <class F, class... Args, typename = typename std::result_of<F(Args...)>::type>
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
+ const char* name, s4u::Host* host, F code, Args... args)
+ {
+ return create(name, host, code, std::move(args)...);
+ }
+ /** @deprecated See Actor::create() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
+ const char* name, s4u::Host* host, const char* function, std::vector<std::string> args)
+ {
+ return create(name, host, function, args);
+ }
+ /** @deprecated See Actor::is_daemon() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::is_daemon()") bool isDaemon() const;
+ /** @deprecated See Actor::get_name() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_name()") const simgrid::xbt::string& getName() const
+ {
+ return get_name();
+ }
+ /** @deprecated See Actor::get_cname() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_cname()") const char* getCname() const { return get_cname(); }
+ /** @deprecated See Actor::get_host() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_host()") Host* getHost() { return get_host(); }
+ /** @deprecated See Actor::get_pid() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_pid()") aid_t getPid() { return get_pid(); }
+ /** @deprecated See Actor::get_ppid() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_ppid()") aid_t getPpid() { return get_ppid(); }
+ /** @deprecated See Actor::is_suspended() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::is_suspended()") int isSuspended() { return is_suspended(); }
+ /** @deprecated See Actor::set_auto_restart() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::set_auto_restart()") void setAutoRestart(bool a)
+ {
+ set_auto_restart(a);
+ }
+ /** @deprecated Please use a std::function<void(int, void*)> for first parameter */
+ XBT_ATTRIB_DEPRECATED_v323("Please use a std::function<void(int, void*)> for first parameter.") void on_exit(
+ int_f_pvoid_pvoid_t fun, void* data);
+ /** @deprecated See Actor::on_exit() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::on_exit()") void onExit(int_f_pvoid_pvoid_t fun, void* data)
+ {
+ on_exit([fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
+ }
+ /** @deprecated See Actor::set_kill_time() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::set_kill_time()") void setKillTime(double time) { set_kill_time(time); }
+ /** @deprecated See Actor::get_kill_time() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_kill_time()") double getKillTime() { return get_kill_time(); }
+ /** @deprecated See Actor::by_pid() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::by_pid()") static ActorPtr byPid(aid_t pid) { return by_pid(pid); }
+ /** @deprecated See Actor::kill_all() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::kill_all()") static void killAll() { kill_all(); }
+ /** @deprecated See Actor::kill_all() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::kill_all() with no parameter") static void killAll(
+ int XBT_ATTRIB_UNUSED resetPid)
+ {
+ kill_all();
+ }
+ /** @deprecated See Actor::get_impl() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_impl()") kernel::actor::ActorImpl* getImpl() { return get_impl(); }
+ /** @deprecated See Actor::get_property() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_property()") const char* getProperty(const char* key)
+ {
+ return get_property(key);
+ }
+ /** @deprecated See Actor::get_properties() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_properties()") std::map<std::string, std::string>* getProperties()
+ {
+ std::map<std::string, std::string>* res = new std::map<std::string, std::string>();
+ std::unordered_map<std::string, std::string>* props = get_properties();
+ for (auto const& kv : *props)
+ res->insert(kv);
+ return res;
+ }
+ /** @deprecated See Actor::get_properties() */
+ XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_properties()") void setProperty(const char* key, const char* value)
+ {
+ set_property(key, value);
+ }
+#endif
};
/** @ingroup s4u_api
* @brief Static methods working on the current actor (see @ref s4u::Actor) */
namespace this_actor {
-XBT_PUBLIC bool isMaestro();
+XBT_PUBLIC bool is_maestro();
/** Block the actor sleeping for that amount of seconds (may throws hostFailure) */
XBT_PUBLIC void sleep_for(double duration);
XBT_PUBLIC ExecPtr exec_async(double flops_amounts);
/** @brief Returns the actor ID of the current actor). */
-XBT_PUBLIC aid_t getPid();
+XBT_PUBLIC aid_t get_pid();
/** @brief Returns the ancestor's actor ID of the current actor. */
-XBT_PUBLIC aid_t getPpid();
+XBT_PUBLIC aid_t get_ppid();
/** @brief Returns the name of the current actor. */
-XBT_PUBLIC std::string getName();
-
+XBT_PUBLIC std::string get_name();
/** @brief Returns the name of the current actor as a C string. */
-XBT_PUBLIC const char* getCname();
+XBT_PUBLIC const char* get_cname();
/** @brief Returns the name of the host on which the actor is running. */
-XBT_PUBLIC Host* getHost();
+XBT_PUBLIC Host* get_host();
/** @brief Suspend the actor. */
XBT_PUBLIC void suspend();
/** @brief Resume the actor. */
XBT_PUBLIC void resume();
-XBT_PUBLIC bool isSuspended();
+XBT_PUBLIC bool is_suspended();
/** @brief kill the actor. */
-XBT_PUBLIC void kill();
+XBT_PUBLIC void exit();
/** @brief Add a function to the list of "on_exit" functions. */
-XBT_PUBLIC void onExit(int_f_pvoid_pvoid_t fun, void* data);
+XBT_PUBLIC void on_exit(std::function<void(int, void*)> fun, void* data);
/** @brief Migrate the actor to a new host. */
XBT_PUBLIC void migrate(Host* new_host);
-}
/** @} */
+#ifndef DOXYGEN
+/** @deprecated Please use std::function<void(int, void*)> for first parameter */
+XBT_ATTRIB_DEPRECATED_v323("Please use std::function<void(int, void*)> for first parameter.") XBT_PUBLIC
+ void on_exit(int_f_pvoid_pvoid_t fun, void* data);
+/** @deprecated See this_actor::get_name() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_name()") XBT_PUBLIC std::string getName();
+/** @deprecated See this_actor::get_cname() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_cname()") XBT_PUBLIC const char* getCname();
+/** @deprecated See this_actor::is_maestro() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::is_maestro()") XBT_PUBLIC bool isMaestro();
+/** @deprecated See this_actor::get_pid() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_pid()") XBT_PUBLIC aid_t getPid();
+/** @deprecated See this_actor::get_ppid() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_ppid()") XBT_PUBLIC aid_t getPpid();
+/** @deprecated See this_actor::get_host() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_host()") XBT_PUBLIC Host* getHost();
+/** @deprecated See this_actor::is_suspended() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::is_suspended()") XBT_PUBLIC bool isSuspended();
+/** @deprecated See this_actor::on_exit() */
+XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::on_exit()") XBT_PUBLIC void onExit(int_f_pvoid_pvoid_t fun, void* data);
+/** @deprecated See this_actor::exit() */
+XBT_ATTRIB_DEPRECATED_v324("Please use this_actor::exit()") XBT_PUBLIC void kill();
+#endif
+}
+
+
}} // namespace simgrid::s4u