X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/81da04566c9356b157d9bfc50cc93a6dff83befc..c7c5def2870e604025be03b866967c0c5e293afe:/include/simgrid/s4u/Actor.hpp

diff --git a/include/simgrid/s4u/Actor.hpp b/include/simgrid/s4u/Actor.hpp
index 0a14c7d089..670f5022c9 100644
--- a/include/simgrid/s4u/Actor.hpp
+++ b/include/simgrid/s4u/Actor.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2016. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2017. 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. */
@@ -16,15 +16,12 @@
 #include <utility>
 #include <vector>
 
-#include <boost/intrusive_ptr.hpp>
-
 #include <xbt/Extendable.hpp>
-#include <xbt/base.h>
 #include <xbt/functional.hpp>
 #include <xbt/string.hpp>
+#include <xbt/signal.hpp>
 
 #include <simgrid/chrono.hpp>
-#include <simgrid/simix.h>
 #include <simgrid/s4u/forward.hpp>
 
 namespace simgrid {
@@ -113,17 +110,17 @@ namespace s4u {
  * <!DOCTYPE platform SYSTEM "http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd">
  * <platform version="4">
  *
- *   <!-- Start a process called 'master' on the host called 'Tremblay' -->
- *   <process host="Tremblay" function="master">
+ *   <!-- Start an actor called 'master' on the host called 'Tremblay' -->
+ *   <actor host="Tremblay" function="master">
  *      <!-- Here come the parameter that you want to feed to this instance of master -->
  *      <argument value="20"/>        <!-- argv[1] -->
  *      <argument value="50000000"/>  <!-- argv[2] -->
  *      <argument value="1000000"/>   <!-- argv[3] -->
  *      <argument value="5"/>         <!-- argv[4] -->
- *   </process>
+ *   </actor>
  *
- *   <!-- Start a process called 'worker' on the host called 'Jupiter' -->
- *   <process host="Jupiter" function="worker"/> <!-- Don't provide any parameter ->>
+ *   <!-- Start an actor called 'worker' on the host called 'Jupiter' -->
+ *   <actor host="Jupiter" function="worker"/> <!-- Don't provide any parameter ->>
  *
  * </platform>
  * @endcode
@@ -134,7 +131,7 @@ namespace s4u {
 /** @brief Simulation Agent */
 XBT_PUBLIC_CLASS Actor : public simgrid::xbt::Extendable<Actor>
 {
-
+  friend Exec;
   friend Mailbox;
   friend simgrid::simix::ActorImpl;
   friend simgrid::kernel::activity::MailboxImpl;
@@ -158,32 +155,33 @@ public:
   Actor(Actor const&) = delete;
   Actor& operator=(Actor const&) = delete;
 
-  // ***** Reference count (delegated to pimpl_) *****
-  friend void intrusive_ptr_add_ref(Actor* actor)
-  {
-    xbt_assert(actor != nullptr);
-    SIMIX_process_ref(actor->pimpl_);
-  }
-  friend void intrusive_ptr_release(Actor* actor)
-  {
-    xbt_assert(actor != nullptr);
-    SIMIX_process_unref(actor->pimpl_);
-  }
+  // ***** Reference count *****
+  friend XBT_PUBLIC(void) intrusive_ptr_add_ref(Actor * actor);
+  friend XBT_PUBLIC(void) intrusive_ptr_release(Actor * actor);
 
   // ***** Actor creation *****
   /** Retrieve a reference to myself */
   static ActorPtr self();
 
+  /** Signal to others that a new actor has been created **/
+  static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> onCreation;
+
   /** Create an actor using a function
    *
    *  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 createActor(const char* name, s4u::Host* host, std::function<void(std::vector<std::string>*)> code,
+                              std::vector<std::string>* args)
+  {
+    return createActor(name, host, [code](std::vector<std::string>* args) { code(args); }, args);
+  }
+
   /** Create an actor using code
    *
    *  Using this constructor, move-only type can be used. The consequence is
-   *  that we cannot copy the value and restart the process in its initial
+   *  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.
    */
@@ -201,105 +199,190 @@ public:
   static ActorPtr createActor(const char* name, s4u::Host* host, const char* function, std::vector<std::string> args);
 
   // ***** Methods *****
+  /** This actor will be automatically terminated when the last non-daemon actor finishes **/
+  void daemonize();
 
-  /** Retrieves the name of that actor */
-  simgrid::xbt::string name();
+  /** Retrieves the name of that actor as a C++ string */
+  const simgrid::xbt::string& getName() const;
+  /** Retrieves the name of that actor as a C string */
+  const char* getCname() const;
   /** Retrieves the host on which that actor is running */
-  s4u::Host* host();
-  /** Retrieves the PID of that actor */
-  int pid();
-  /** Retrieves the PPID of that actor */
-  int ppid();
+  s4u::Host* getHost();
+  /** Retrieves the PID of that actor
+   *
+   * actor_id_t is an alias for unsigned long */
+  aid_t getPid();
+  /** Retrieves the PPID of that actor
+   *
+   * actor_id_t is an alias for unsigned long */
+  aid_t getPpid();
+
+  /** 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();
 
   /** If set to true, the actor will automatically restart when its host reboots */
   void setAutoRestart(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);
+
   /** Sets the time at which that actor should be killed */
   void setKillTime(double time);
   /** Retrieves the time at which that actor will be killed (or -1 if not set) */
-  double killTime();
+  double getKillTime();
+
+  void migrate(Host * new_host);
 
   /** Ask the actor to die.
    *
-   * It will only notice your request when doing a simcall next time (a communication or similar).
-   * SimGrid sometimes have issues when you kill actors that are currently communicating and such.
+   * Any blocking activity will be canceled, and it will be rescheduled to free its memory.
+   * Being killed is not something that actors can defer or avoid.
+   *
+   * SimGrid still have sometimes issues when you kill actors that are currently communicating and such.
    * Still. Please report any bug that you may encounter with a minimal working example.
    */
   void kill();
 
-  static void kill(int pid);
+  static void kill(aid_t pid);
 
   /** Retrieves the actor that have the given PID (or nullptr if not existing) */
-  static ActorPtr byPid(int pid);
+  static ActorPtr byPid(aid_t pid);
 
   /** @brief 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:
 
   /** Ask kindly to all actors to die. Only the issuer will survive. */
   static void killAll();
+  static void killAll(int resetPid);
 
-protected:
   /** Returns the internal implementation of this actor */
   simix::ActorImpl* getImpl();
+
+  /** 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();
 };
 
 /** @ingroup s4u_api
  *  @brief Static methods working on the current actor (see @ref s4u::Actor) */
 namespace this_actor {
 
-  /** Block the actor sleeping for that amount of seconds (may throws hostFailure) */
-  XBT_PUBLIC(void) sleep_for(double duration);
-  XBT_PUBLIC(void) sleep_until(double timeout);
+XBT_PUBLIC(bool) isMaestro();
 
-  template<class Rep, class Period>
-  inline void sleep_for(std::chrono::duration<Rep, Period> duration)
-  {
-    auto seconds = std::chrono::duration_cast<SimulationClockDuration>(duration);
-    this_actor::sleep_for(seconds.count());
-  }
-  template<class Duration>
-  inline void sleep_until(const SimulationTimePoint<Duration>& timeout_time)
-  {
-    auto timeout_native = std::chrono::time_point_cast<SimulationClockDuration>(timeout_time);
-    this_actor::sleep_until(timeout_native.time_since_epoch().count());
-  }
+/** Block the actor sleeping for that amount of seconds (may throws hostFailure) */
+XBT_PUBLIC(void) sleep_for(double duration);
+XBT_PUBLIC(void) sleep_until(double timeout);
 
-  XBT_ATTRIB_DEPRECATED("Use sleep_for()")
-  inline void sleep(double duration)
-  {
-    return sleep_for(duration);
-  }
+template <class Rep, class Period> inline void sleep_for(std::chrono::duration<Rep, Period> duration)
+{
+  auto seconds = std::chrono::duration_cast<SimulationClockDuration>(duration);
+  this_actor::sleep_for(seconds.count());
+}
 
-  /** Block the actor, computing the given amount of flops */
-  XBT_PUBLIC(e_smx_state_t) execute(double flop);
+template <class Duration> inline void sleep_until(const SimulationTimePoint<Duration>& timeout_time)
+{
+  auto timeout_native = std::chrono::time_point_cast<SimulationClockDuration>(timeout_time);
+  this_actor::sleep_until(timeout_native.time_since_epoch().count());
+}
 
-  /** Block the actor until it gets a message from the given mailbox.
-   *
-   * See \ref Comm for the full communication API (including non blocking communications).
-   */
-  XBT_PUBLIC(void*) recv(MailboxPtr chan);
+XBT_ATTRIB_DEPRECATED_v320("Use sleep_for(): v3.20 will turn this warning into an error.") inline void sleep(
+    double duration)
+{
+  return sleep_for(duration);
+}
 
-  /** Block the actor until it delivers a message of the given simulated size to the given mailbox
-   *
-   * See \ref Comm for the full communication API (including non blocking communications).
-  */
-  XBT_PUBLIC(void) send(MailboxPtr chan, void*payload, size_t simulatedSize);
+/** Block the actor, computing the given amount of flops */
+XBT_PUBLIC(void) execute(double flop);
 
-  /** @brief Returns the PID of the current actor. */
-  XBT_PUBLIC(int) pid();
+/** Block the actor, computing the given amount of flops at the given priority.
+ *  An execution of priority 2 computes twice as fast as an execution at priority 1. */
+XBT_PUBLIC(void) execute(double flop, double priority);
 
-  /** @brief Returns the PPID of the current actor. */
-  int ppid();
+XBT_PUBLIC(void) parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount);
+XBT_PUBLIC(void)
+parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount, double timeout);
 
-  /** @brief Returns the name of the current actor. */
-  std::string name();
-};
+XBT_PUBLIC(ExecPtr) exec_init(double flops_amounts);
+XBT_PUBLIC(ExecPtr) exec_async(double flops_amounts);
+
+/** Block the actor until it gets a message from the given mailbox.
+ *
+ * See \ref Comm for the full communication API (including non blocking communications).
+ */
+XBT_ATTRIB_DEPRECATED_v320("Use Mailbox::get(): v3.20 will turn this warning into an error.") XBT_PUBLIC(void*)
+    recv(MailboxPtr chan);
+XBT_ATTRIB_DEPRECATED_v320("Use Mailbox::get(): v3.20 will turn this warning into an error.") XBT_PUBLIC(void*)
+    recv(MailboxPtr chan, double timeout);
+XBT_ATTRIB_DEPRECATED_v320("Use Mailbox::recv_async(): v3.20 will turn this warning into an error.") XBT_PUBLIC(CommPtr)
+    irecv(MailboxPtr chan, void** data);
+
+/** Block the actor until it delivers a message of the given simulated size to the given mailbox
+ *
+ * See \ref Comm for the full communication API (including non blocking communications).
+*/
+XBT_ATTRIB_DEPRECATED_v320("Use Mailbox::put(): v3.20 will turn this warning into an error.") XBT_PUBLIC(void)
+    send(MailboxPtr chan, void* payload, double simulatedSize);
+XBT_ATTRIB_DEPRECATED_v320("Use Mailbox::put(): v3.20 will turn this warning into an error.") XBT_PUBLIC(void)
+    send(MailboxPtr chan, void* payload, double simulatedSize, double timeout);
+
+XBT_ATTRIB_DEPRECATED_v320("Use Mailbox::put_async(): v3.20 will turn this warning into an error.") XBT_PUBLIC(CommPtr)
+    isend(MailboxPtr chan, void* payload, double simulatedSize);
+
+/** @brief Returns the actor ID of the current actor). */
+XBT_PUBLIC(aid_t) getPid();
+
+/** @brief Returns the ancestor's actor ID of the current actor. */
+XBT_PUBLIC(aid_t) getPpid();
+
+/** @brief Returns the name of the current actor. */
+XBT_PUBLIC(std::string) getName();
+
+/** @brief Returns the name of the current actor as a C string. */
+XBT_PUBLIC(const char*) getCname();
+
+/** @brief Returns the name of the host on which the actor is running. */
+XBT_PUBLIC(Host*) getHost();
+
+/** @brief Suspend the actor. */
+XBT_PUBLIC(void) suspend();
+
+/** @brief yield the actor. */
+XBT_PUBLIC(void) yield();
+
+/** @brief Resume the actor. */
+XBT_PUBLIC(void) resume();
+
+XBT_PUBLIC(bool) isSuspended();
+
+/** @brief kill the actor. */
+XBT_PUBLIC(void) kill();
+
+/** @brief Add a function to the list of "on_exit" functions. */
+XBT_PUBLIC(void) onExit(int_f_pvoid_pvoid_t fun, void* data);
+
+/** @brief Migrate the actor to a new host. */
+XBT_PUBLIC(void) migrate(Host* new_host);
+}
 
-/** @} */
+/** @} */
 
 }} // namespace simgrid::s4u