X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/07c12189c716ea527ddcf8f8b55983213dead2bf..HEAD:/src/kernel/EngineImpl.hpp

diff --git a/src/kernel/EngineImpl.hpp b/src/kernel/EngineImpl.hpp
index c25063d629..149c0c2a36 100644
--- a/src/kernel/EngineImpl.hpp
+++ b/src/kernel/EngineImpl.hpp
@@ -1,30 +1,176 @@
-/* Copyright (c) 2016. The SimGrid Team. All rights reserved.               */
+/* Copyright (c) 2016-2023. 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 <simgrid/s4u/forward.hpp>
-#include <xbt/dict.h>
+#ifndef SIMGRID_KERNEL_ENGINEIMPL_HPP
+#define SIMGRID_KERNEL_ENGINEIMPL_HPP
 
+#include <simgrid/kernel/resource/Model.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <simgrid/s4u/NetZone.hpp>
+#include <simgrid/simix.hpp>
+#include <xbt/dynar.h>
+#include <xbt/functional.hpp>
+
+#include "src/kernel/activity/ExecImpl.hpp"
+#include "src/kernel/activity/IoImpl.hpp"
+#include "src/kernel/activity/MailboxImpl.hpp"
+#include "src/kernel/activity/MessageQueueImpl.hpp"
+#include "src/kernel/activity/SleepImpl.hpp"
+#include "src/kernel/activity/Synchro.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
+
+#include <boost/intrusive/list.hpp>
+#include <map>
+#include <mutex>
+#include <set>
 #include <string>
 #include <unordered_map>
+#include <vector>
 
-namespace simgrid {
-namespace kernel {
-namespace routing {
-class NetZoneImpl;
-class NetPoint;
-}
+namespace simgrid::kernel {
 
 class EngineImpl {
+  std::unordered_map<std::string, routing::NetPoint*> netpoints_;
+  std::unordered_map<std::string, activity::MailboxImpl*> mailboxes_;
+  std::unordered_map<std::string, activity::MessageQueueImpl*> mqueues_;
+
+  std::unordered_map<std::string, actor::ActorCodeFactory> registered_functions; // Maps function names to actor code
+  actor::ActorCodeFactory default_function; // Function to use as a fallback when the provided name matches nothing
+  std::vector<resource::Model*> models_;
+  std::unordered_map<std::string, std::shared_ptr<resource::Model>> models_prio_;
+  routing::NetZoneImpl* netzone_root_ = nullptr;
+  std::set<actor::ActorImpl*> daemons_;
+  std::vector<actor::ActorImpl*> actors_to_run_;
+  std::vector<actor::ActorImpl*> actors_that_ran_;
+  std::map<aid_t, actor::ActorImpl*> actor_list_;
+  boost::intrusive::list<actor::ActorImpl,
+                         boost::intrusive::member_hook<actor::ActorImpl, boost::intrusive::list_member_hook<>,
+                                                       &actor::ActorImpl::kernel_destroy_list_hook>>
+      actors_to_destroy_;
+
+  static double now_;
+  static EngineImpl* instance_;
+  actor::ActorImpl* maestro_ = nullptr;
+  context::ContextFactory* context_factory_ = nullptr;
+
+  std::unique_ptr<void, std::function<int(void*)>> platf_handle_; //!< handle for platform library
+  friend s4u::Engine;
+
+  std::vector<std::string> cmdline_; // Copy of the argv we got (including argv[0])
+
 public:
-  EngineImpl();
+  EngineImpl() = default;
+
+  /* Currently, only one instance is allowed to exist. This is why you can't copy or move it */
+#ifndef DOXYGEN
+  EngineImpl(const EngineImpl&) = delete;
+  EngineImpl& operator=(const EngineImpl&) = delete;
   virtual ~EngineImpl();
-  kernel::routing::NetZoneImpl* netRoot_ = nullptr;
+  static void shutdown();
+#endif
+
+  void initialize(int* argc, char** argv);
+  const std::vector<std::string>& get_cmdline() const
+  {
+    return cmdline_;
+  }
+  void load_platform(const std::string& platf);
+  void load_deployment(const std::string& file) const;
+  void seal_platform() const;
+  void register_function(const std::string& name, const actor::ActorCodeFactory& code);
+  void register_default(const actor::ActorCodeFactory& code);
+
+  bool is_maestro(const actor::ActorImpl* actor) const { return actor == maestro_; }
+  void set_maestro(actor::ActorImpl* actor) { maestro_ = actor; }
+  actor::ActorImpl* get_maestro() const { return maestro_; }
+
+  context::ContextFactory* get_context_factory() const { return context_factory_; }
+  void set_context_factory(context::ContextFactory* factory) { context_factory_ = factory; }
+  bool has_context_factory() const { return context_factory_ != nullptr; }
+
+  void context_mod_init() const;
+  /**
+   * @brief Add a model to engine list
+   *
+   * @param model Pointer to model
+   * @param list  List of dependencies for this model
+   */
+  void add_model(std::shared_ptr<simgrid::kernel::resource::Model> model,
+                 const std::vector<resource::Model*>& dep_models = {});
 
-protected:
-  std::unordered_map<std::string, simgrid::kernel::routing::NetPoint*> netpoints_;
-  friend simgrid::s4u::Engine;
+  /** @brief Get list of all models managed by this engine */
+  const std::vector<resource::Model*>& get_all_models() const { return models_; }
+
+  static bool has_instance() { return s4u::Engine::has_instance(); }
+  static EngineImpl* get_instance()
+  {
+    return s4u::Engine::get_instance()->pimpl_;
+  }
+  static EngineImpl* get_instance(int* argc, char** argv)
+  {
+    return s4u::Engine::get_instance(argc, argv)->pimpl_;
+  }
+
+  actor::ActorCodeFactory get_function(const std::string& name)
+  {
+    auto res = registered_functions.find(name);
+    if (res == registered_functions.end())
+      return default_function;
+    else
+      return res->second;
+  }
+
+  routing::NetZoneImpl* get_netzone_root() const { return netzone_root_; }
+
+  void add_daemon(actor::ActorImpl* d) { daemons_.insert(d); }
+  void remove_daemon(actor::ActorImpl* d);
+  void add_actor_to_run_list(actor::ActorImpl* actor);
+  void add_actor_to_run_list_no_check(actor::ActorImpl* actor);
+  void add_actor_to_destroy_list(actor::ActorImpl& actor) { actors_to_destroy_.push_back(actor); }
+
+  bool has_actors_to_run() const { return not actors_to_run_.empty(); }
+  const actor::ActorImpl* get_first_actor_to_run() const { return actors_to_run_.front(); }
+  const actor::ActorImpl* get_actor_to_run_at(unsigned long int i) const { return actors_to_run_[i]; }
+  unsigned long int get_actor_to_run_count() const { return actors_to_run_.size(); }
+  size_t get_actor_count() const { return actor_list_.size(); }
+  actor::ActorImpl* get_actor_by_pid(aid_t pid);
+  void add_actor(aid_t pid, actor::ActorImpl* actor) { actor_list_[pid] = actor; }
+  void remove_actor(aid_t pid) { actor_list_.erase(pid); }
+
+  const std::map<aid_t, actor::ActorImpl*>& get_actor_list() const { return actor_list_; }
+  const std::vector<actor::ActorImpl*>& get_actors_to_run() const { return actors_to_run_; }
+  const std::vector<actor::ActorImpl*>& get_actors_that_ran() const { return actors_that_ran_; }
+
+  void handle_ended_actions() const;
+  /**
+   * Garbage collection
+   *
+   * Should be called some time to time to free the memory allocated for actors that have finished (or killed).
+   */
+  void empty_trash();
+  void display_all_actor_status() const;
+  void run_all_actors();
+
+  /** @brief Performs a part of the simulation
+   *  @param max_date Maximum date to update the simulation to, or -1
+   *  @return the elapsed time, or -1.0 if no event could be executed
+   *
+   *  This function execute all possible events, update the action states  and returns the time elapsed.
+   *  When you call execute or communicate on a model, the corresponding actions are not executed immediately but only
+   *  when you call solve().
+   *  Note that the returned elapsed time can be zero.
+   */
+  double solve(double max_date) const;
+
+  /** @brief Run the main simulation loop until the specified date (or infinitly if max_date is negative). */
+  void run(double max_date);
+
+  /** @brief Return the current time in milliseconds. */
+  static double get_clock();
 };
-}
-}
+
+} // namespace simgrid::kernel
+
+#endif