-/* Copyright (c) 2016-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2016-2022. 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/SleepImpl.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
#include "src/kernel/actor/ActorImpl.hpp"
-#include "src/surf/SplitDuplexLinkImpl.hpp"
+#include "src/kernel/resource/SplitDuplexLinkImpl.hpp"
#include <boost/intrusive/list.hpp>
#include <map>
namespace simgrid {
namespace kernel {
+// In MC mode, the application sends these pointers to the MC
+xbt_dynar_t get_actors_addr();
+xbt_dynar_t get_dead_actors_addr();
class EngineImpl {
std::map<std::string, s4u::Host*, std::less<>> hosts_;
- std::map<std::string, resource::LinkImpl*, std::less<>> links_;
+ std::map<std::string, resource::StandardLinkImpl*, 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::vector<xbt::Task<void()>> tasks;
std::mutex mutex_;
+ 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;
public:
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();
+ static void shutdown();
+#endif
+ void initialize(int* argc, char** argv);
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 destroy_context_factory()
+ {
+ delete context_factory_;
+ context_factory_ = nullptr;
+ }
+
+ 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 simgrid::s4u::Engine::get_instance()->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)
{
auto res = registered_functions.find(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);
void display_all_actor_status() const;
void run_all_actors();
- /** @brief Run the main simulation loop. */
- void run();
+ /* @brief Finish simulation initialization
+ * This function must be called before the first call to solve()
+ */
+ void presolve() const;
+ /** @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
