1 /* Copyright (c) 2016-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_KERNEL_ENGINEIMPL_HPP
7 #define SIMGRID_KERNEL_ENGINEIMPL_HPP
9 #include <simgrid/kernel/resource/Model.hpp>
10 #include <simgrid/s4u/Engine.hpp>
11 #include <simgrid/s4u/NetZone.hpp>
12 #include <simgrid/simix.hpp>
13 #include <xbt/dynar.h>
14 #include <xbt/functional.hpp>
16 #include "src/kernel/activity/ExecImpl.hpp"
17 #include "src/kernel/activity/IoImpl.hpp"
18 #include "src/kernel/activity/MailboxImpl.hpp"
19 #include "src/kernel/activity/SleepImpl.hpp"
20 #include "src/kernel/activity/SynchroRaw.hpp"
21 #include "src/kernel/actor/ActorImpl.hpp"
23 #include <boost/intrusive/list.hpp>
28 #include <unordered_map>
35 std::map<std::string, s4u::Host*, std::less<>> hosts_;
36 std::map<std::string, resource::LinkImpl*, std::less<>> links_;
37 std::unordered_map<std::string, routing::NetPoint*> netpoints_;
38 std::unordered_map<std::string, actor::ActorCodeFactory> registered_functions; // Maps function names to actor code
39 actor::ActorCodeFactory default_function; // Function to use as a fallback when the provided name matches nothing
40 std::vector<resource::Model*> models_;
41 std::unordered_map<std::string, std::shared_ptr<resource::Model>> models_prio_;
42 routing::NetZoneImpl* netzone_root_ = nullptr;
43 std::set<actor::ActorImpl*> daemons_;
44 std::vector<actor::ActorImpl*> actors_to_run_;
45 std::vector<actor::ActorImpl*> actors_that_ran_;
46 std::map<aid_t, actor::ActorImpl*> actor_list_;
47 boost::intrusive::list<actor::ActorImpl,
48 boost::intrusive::member_hook<actor::ActorImpl, boost::intrusive::list_member_hook<>,
49 &actor::ActorImpl::kernel_destroy_list_hook>>
52 /* MCer cannot read members actor_list_ and actors_to_destroy_ above in the remote process, so we copy the info it
54 * FIXME: This is supposed to be a temporary hack.
55 * A better solution would be to change the split between MCer and MCed, where the responsibility
56 * to compute the list of the enabled transitions goes to the MCed.
57 * That way, the MCer would not need to have the list of actors on its side.
58 * These info could be published by the MCed to the MCer in a way inspired of vd.so
60 xbt_dynar_t actors_vector_ = xbt_dynar_new(sizeof(actor::ActorImpl*), nullptr);
61 xbt_dynar_t dead_actors_vector_ = xbt_dynar_new(sizeof(actor::ActorImpl*), nullptr);
64 std::vector<xbt::Task<void()>> tasks;
65 std::vector<xbt::Task<void()>> tasksTemp;
71 EngineImpl() = default;
73 EngineImpl(const EngineImpl&) = delete;
74 EngineImpl& operator=(const EngineImpl&) = delete;
75 virtual ~EngineImpl();
77 void load_deployment(const std::string& file) const;
78 void register_function(const std::string& name, const actor::ActorCodeFactory& code);
79 void register_default(const actor::ActorCodeFactory& code);
82 * @brief Add a model to engine list
84 * @param model Pointer to model
85 * @param list List of dependencies for this model
87 void add_model(std::shared_ptr<simgrid::kernel::resource::Model> model,
88 const std::vector<resource::Model*>& dep_models = {});
90 /** @brief Get list of all models managed by this engine */
91 const std::vector<resource::Model*>& get_all_models() const { return models_; }
93 static EngineImpl* get_instance() { return simgrid::s4u::Engine::get_instance()->pimpl; }
94 actor::ActorCodeFactory get_function(const std::string& name)
96 auto res = registered_functions.find(name);
97 if (res == registered_functions.end())
98 return default_function;
102 void add_daemon(actor::ActorImpl* d) { daemons_.insert(d); }
103 void remove_daemon(actor::ActorImpl* d);
104 void add_actor_to_run_list(actor::ActorImpl* actor);
105 void add_actor_to_run_list_no_check(actor::ActorImpl* actor);
106 void add_actor_to_destroy_list(actor::ActorImpl& actor) { actors_to_destroy_.push_back(actor); }
108 bool has_actors_to_run() { return not actors_to_run_.empty(); }
109 const actor::ActorImpl* get_first_actor_to_run() const { return actors_to_run_.front(); }
110 const actor::ActorImpl* get_actor_to_run_at(unsigned long int i) const { return actors_to_run_[i]; }
111 unsigned long int get_actor_to_run_count() const { return actors_to_run_.size(); }
112 size_t get_actor_count() const { return actor_list_.size(); }
113 actor::ActorImpl* get_actor_by_pid(aid_t pid);
114 void add_actor(aid_t pid, actor::ActorImpl* actor) { actor_list_[pid] = actor; }
115 void remove_actor(aid_t pid) { actor_list_.erase(pid); }
118 xbt_dynar_t get_actors_vector() const { return actors_vector_; }
119 xbt_dynar_t get_dead_actors_vector() const { return dead_actors_vector_; }
120 void reset_actor_dynar() { xbt_dynar_reset(actors_vector_); }
121 void add_actor_to_dynar(actor::ActorImpl* actor) { xbt_dynar_push_as(actors_vector_, actor::ActorImpl*, actor); }
122 void add_dead_actor_to_dynar(actor::ActorImpl* actor)
124 xbt_dynar_push_as(dead_actors_vector_, actor::ActorImpl*, actor);
128 const std::map<aid_t, actor::ActorImpl*>& get_actor_list() const { return actor_list_; }
129 const std::vector<actor::ActorImpl*>& get_actors_to_run() const { return actors_to_run_; }
130 const std::vector<actor::ActorImpl*>& get_actors_that_ran() const { return actors_that_ran_; }
132 std::mutex& get_mutex() { return mutex_; }
133 bool execute_tasks();
134 void add_task(xbt::Task<void()>&& t) { tasks.push_back(std::move(t)); }
135 void wake_all_waiting_actors() const;
139 * Should be called some time to time to free the memory allocated for actors that have finished (or killed).
142 void display_all_actor_status() const;
143 void run_all_actors();
145 /** @brief Run the main simulation loop. */
149 } // namespace kernel
150 } // namespace simgrid