-/* Copyright (c) 2016-2021. 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 "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/SynchroRaw.hpp"
+#include "src/kernel/activity/Synchro.hpp"
#include "src/kernel/actor/ActorImpl.hpp"
-#include "src/surf/SplitDuplexLinkImpl.hpp"
#include <boost/intrusive/list.hpp>
#include <map>
#include <unordered_map>
#include <vector>
-namespace simgrid {
-namespace kernel {
+namespace simgrid::kernel {
class EngineImpl {
- std::map<std::string, s4u::Host*, std::less<>> hosts_;
- std::map<std::string, resource::LinkImpl*, std::less<>> links_;
- /* save split-duplex links separately, keep links_ with only LinkImpl* seen by the user
- * members of a split-duplex are saved in the links_ */
- std::map<std::string, std::unique_ptr<resource::SplitDuplexLinkImpl>, std::less<>> split_duplex_links_;
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
boost::intrusive::member_hook<actor::ActorImpl, boost::intrusive::list_member_hook<>,
&actor::ActorImpl::kernel_destroy_list_hook>>
actors_to_destroy_;
-#if SIMGRID_HAVE_MC
- /* MCer cannot read members actor_list_ and actors_to_destroy_ above in the remote process, so we copy the info it
- * needs in a dynar.
- * FIXME: This is supposed to be a temporary hack.
- * A better solution would be to change the split between MCer and MCed, where the responsibility
- * to compute the list of the enabled transitions goes to the MCed.
- * That way, the MCer would not need to have the list of actors on its side.
- * These info could be published by the MCed to the MCer in a way inspired of vd.so
- */
- xbt_dynar_t actors_vector_ = xbt_dynar_new(sizeof(actor::ActorImpl*), nullptr);
- xbt_dynar_t dead_actors_vector_ = xbt_dynar_new(sizeof(actor::ActorImpl*), nullptr);
-#endif
-
- std::vector<xbt::Task<void()>> tasks;
- std::mutex mutex_;
+ 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:
- explicit EngineImpl(int* argc, char** argv);
+ EngineImpl() = default;
/* Currently, only one instance is allowed to exist. This is why you can't copy or move it */
#ifndef DOXYGEN
#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_; }
- void destroy_maestro()
- {
- delete maestro_;
- maestro_ = nullptr;
- }
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 destroy_context_factory()
- {
- delete context_factory_;
- context_factory_ = nullptr;
- }
- void context_mod_init();
+ void context_mod_init() const;
/**
* @brief Add a model to engine list
*
/** @brief Get list of all models managed by this engine */
const std::vector<resource::Model*>& get_all_models() const { return models_; }
- 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; }
+ 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)
{
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);
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); }
- void add_split_duplex_link(const std::string& name, std::unique_ptr<resource::SplitDuplexLinkImpl> link);
-
-#if SIMGRID_HAVE_MC
- xbt_dynar_t get_actors_vector() const { return actors_vector_; }
- xbt_dynar_t get_dead_actors_vector() const { return dead_actors_vector_; }
- void reset_actor_dynar() { xbt_dynar_reset(actors_vector_); }
- void add_actor_to_dynar(actor::ActorImpl* actor) { xbt_dynar_push_as(actors_vector_, actor::ActorImpl*, actor); }
- void add_dead_actor_to_dynar(actor::ActorImpl* actor)
- {
- xbt_dynar_push_as(dead_actors_vector_, actor::ActorImpl*, actor);
- }
-#endif
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_; }
- std::mutex& get_mutex() { return mutex_; }
- bool execute_tasks();
- void add_task(xbt::Task<void()>&& t) { tasks.push_back(std::move(t)); }
- void wake_all_waiting_actors() const;
+ void handle_ended_actions() const;
/**
* Garbage collection
*
void display_all_actor_status() const;
void run_all_actors();
- /** @brief Run the main simulation loop. */
- void run();
+ /** @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 kernel
-} // namespace simgrid
+} // namespace simgrid::kernel
#endif
