--- /dev/null
+/* Copyright (c) 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. */
+#ifndef SIMGRID_PLUGINS_CHILLER_H_
+#define SIMGRID_PLUGINS_CHILLER_H_
+
+#include <simgrid/kernel/resource/Model.hpp>
+#include <simgrid/s4u/Activity.hpp>
+#include <xbt/Extendable.hpp>
+
+namespace simgrid::plugins {
+
+class Chiller;
+using ChillerPtr = boost::intrusive_ptr<Chiller>;
+XBT_PUBLIC void intrusive_ptr_release(Chiller* o);
+XBT_PUBLIC void intrusive_ptr_add_ref(Chiller* o);
+
+class ChillerModel : public kernel::resource::Model {
+ std::vector<ChillerPtr> chillers_;
+
+public:
+ explicit ChillerModel();
+
+ void add_chiller(ChillerPtr b);
+ void update_actions_state(double now, double delta) override;
+ double next_occurring_event(double now) override;
+};
+
+class Chiller {
+
+ friend ChillerModel;
+
+private:
+ static std::shared_ptr<ChillerModel> chiller_model_;
+
+ std::string name_;
+ double air_mass_kg_;
+ double specific_heat_j_per_kg_per_c_;
+ double alpha_;
+ double cooling_efficiency_;
+ double goal_temp_c_;
+ double max_power_w_;
+
+ std::set<const s4u::Host*> hosts_ = {};
+ bool active_ = true;
+ double temp_in_c_;
+ double temp_out_c_;
+ double power_w_ = 0;
+ double energy_consumed_j_ = 0;
+ double last_updated_ = 0;
+
+ explicit Chiller(const std::string& name, double air_mass_kg, double specific_heat_j_per_kg_per_c, double alpha,
+ double cooling_efficiency, double initial_temp_c, double goal_temp_c, double max_power_w);
+
+ static void init_plugin();
+ void update();
+
+ std::atomic_int_fast32_t refcount_{0};
+#ifndef DOXYGEN
+ friend void intrusive_ptr_release(Chiller* o)
+ {
+ if (o->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ std::atomic_thread_fence(std::memory_order_acquire);
+ delete o;
+ }
+ }
+ friend void intrusive_ptr_add_ref(Chiller* o) { o->refcount_.fetch_add(1, std::memory_order_relaxed); }
+#endif
+
+public:
+ static ChillerPtr init(const std::string& name, double air_mass_kg, double specific_heat_j_per_kg_per_c, double alpha,
+ double cooling_efficiency, double initial_temp_c, double goal_temp_c, double max_power_w);
+
+ ChillerPtr set_name(std::string name);
+ ChillerPtr set_air_mass(double air_mass_kg);
+ ChillerPtr set_specific_heat(double specific_heat_j_per_kg_per_c);
+ ChillerPtr set_alpha(double alpha);
+ ChillerPtr set_cooling_efficiency(double cooling_efficiency);
+ ChillerPtr set_goal_temp(double goal_temp_c);
+ ChillerPtr set_max_power(double max_power_w);
+ ChillerPtr set_active(bool active);
+ ChillerPtr add_host(s4u::Host* host);
+ ChillerPtr remove_host(s4u::Host* host);
+
+ std::string get_name() { return name_; }
+ const char* get_cname() { return name_.c_str(); }
+ double get_air_mass() { return air_mass_kg_; }
+ double get_specific_heat() { return specific_heat_j_per_kg_per_c_; }
+ double get_alpha() { return alpha_; }
+ double get_cooling_efficiency() { return cooling_efficiency_; }
+ double get_goal_temp() { return goal_temp_c_; }
+ double get_max_power() { return max_power_w_; }
+ bool is_active() { return active_; }
+ double get_temp_in() { return temp_in_c_; }
+ double get_temp_out() { return temp_out_c_; }
+ double get_power() { return power_w_; }
+ double get_energy_consumed() { return energy_consumed_j_; }
+};
+
+} // namespace simgrid::plugins
+#endif
