+public:
+ explicit BatteryModel();
+
+ void add_battery(BatteryPtr b);
+ void update_actions_state(double now, double delta) override;
+ double next_occurring_event(double now) override;
+};
+
+class Battery {
+
+ friend BatteryModel;
+
+public:
+ enum Flow { CHARGE, DISCHARGE };
+
+ class Handler {
+ friend Battery;
+
+ private:
+ double state_of_charge_;
+ Flow flow_;
+ double time_delta_ = -1;
+ std::function<void()> callback_;
+ bool repeat_;
+
+ public:
+ Handler(double state_of_charge, Flow flow, bool repeat, std::function<void()> callback);
+ static std::shared_ptr<Handler> init(double state_of_charge, Flow flow, bool repeat,
+ std::function<void()> callback);
+
+ /** @ingroup plugin_battery
+ * @return The state of charge at which the Handler will happen.
+ * @note For Battery::Handler objects
+ */
+ double get_state_of_charge() { return state_of_charge_; }
+ /** @ingroup plugin_battery
+ * @return The flow in which the Handler will happen, either when the Battery is charging or discharging.
+ * @note For Battery::Handler objects
+ */
+ Flow get_flow() { return flow_; }
+ /** @ingroup plugin_battery
+ * @return The time delta until the Handler happen.
+ -1 means that is will never happen with the current state the Battery,
+ for instance when there is no load connected to the Battery.
+ * @note For Battery::Handler objects
+ */
+ double get_time_delta() { return time_delta_; }
+ /** @ingroup plugin_battery
+ * @return The callback to trigger when the Handler happen.
+ * @note For Battery::Handler objects
+ */
+ std::function<void()> get_callback() { return callback_; }
+ /** @ingroup plugin_battery
+ * @return true if its a recurrent Handler.
+ * @note For Battery::Handler objects
+ */
+ bool get_repeat() { return repeat_; }
+ };
+
+private:
+ static std::shared_ptr<BatteryModel> battery_model_;
+
+ std::string name_;
+ double nominal_charge_power_w_;
+ double nominal_discharge_power_w_;
+ double charge_efficiency_;
+ double discharge_efficiency_;
+ double initial_capacity_wh_;
+ double energy_budget_j_;
+
+ std::map<const s4u::Host*, bool> host_loads_ = {};
+ std::map<const std::string, double> named_loads_ = {};
+ std::vector<std::shared_ptr<Handler>> handlers_;
+
+ double capacity_wh_;
+ double energy_stored_j_;
+ double energy_provided_j_ = 0;
+ double energy_consumed_j_ = 0;
+ double last_updated_ = 0;
+
+ explicit Battery(const std::string& name, double state_of_charge, double nominal_charge_power_w,
+ double nominal_discharge_power_w, double charge_efficiency, double discharge_efficiency,
+ double initial_capacity_wh, int cycles);
+ static void init_plugin();
+ void update();
+ double next_occurring_handler();
+
+ std::atomic_int_fast32_t refcount_{0};
+#ifndef DOXYGEN
+ friend void intrusive_ptr_release(Battery* 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(Battery* o) { o->refcount_.fetch_add(1, std::memory_order_relaxed); }
+#endif
+
+public:
+ static BatteryPtr init(const std::string& name, double state_of_charge, double nominal_charge_power_w,
+ double nominal_discharge_power_w, double charge_efficiency, double discharge_efficiency,
+ double initial_capacity_wh, int cycles);
+ void set_load(const std::string& name, double power_w);
+ void connect_host(s4u::Host* host, bool active = true);
+ double get_state_of_charge();
+ double get_state_of_health();
+ double get_capacity();
+ double get_energy_provided();
+ double get_energy_consumed();
+ double get_energy_stored(std::string unit = "J");
+ std::shared_ptr<Handler> schedule_handler(double state_of_charge, Flow flow, bool repeat,
+ std::function<void()> callback);
+ std::vector<std::shared_ptr<Handler>> get_handlers();
+ void delete_handler(std::shared_ptr<Handler> handler);
+};
+} // namespace simgrid::plugins