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/* Copyright (c) 2017-2025. 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. */
/* This example shows how to use the battery as a connector.
A connector has no capacity and only delivers as much power as it receives
with a transfer efficiency of 100%.
A solar panel is connected to the connector and power a host.
*/
#include "simgrid/plugins/battery.hpp"
#include "simgrid/plugins/chiller.hpp"
#include "simgrid/plugins/energy.h"
#include "simgrid/plugins/solar_panel.hpp"
#include "simgrid/s4u.hpp"
#include <math.h>
#include <simgrid/s4u/Actor.hpp>
#include <xbt/log.h>
XBT_LOG_NEW_DEFAULT_CATEGORY(battery_chiller_solar, "Messages specific for this s4u example");
namespace sg4 = simgrid::s4u;
namespace sp = simgrid::plugins;
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
e.load_platform(argv[1]);
sg_host_energy_plugin_init();
auto myhost1 = e.host_by_name("MyHost1");
auto connector = sp::Battery::init();
auto solar_panel = sp::SolarPanel::init("Solar Panel", 1, 1, 200, 0, 1e3);
connector->set_load("Solar Panel", solar_panel->get_power() * -1);
connector->connect_host(myhost1);
solar_panel->on_this_power_change_cb(
[connector](const sp::SolarPanel* s) { connector->set_load("Solar Panel", s->get_power() * -1); });
e.add_actor("manager", myhost1, [&myhost1, &solar_panel, &connector] {
XBT_INFO("Solar Panel power = %.2fW, MyHost1 power = %.2fW. The Solar Panel provides more than needed.", solar_panel->get_power(), sg_host_get_current_consumption(myhost1));
simgrid::s4u::this_actor::sleep_for(100);
XBT_INFO("Energy consumption MyHost1: %.2fkJ, Energy from the Solar Panel %.2fkJ", sg_host_get_consumed_energy(myhost1) / 1e3, connector->get_energy_provided() / 1e3);
solar_panel->set_solar_irradiance(100);
XBT_INFO("Solar Panel power = %.2fW, MyHost1 power = %.2fW. The Solar Panel provides exactly what is needed.", solar_panel->get_power(), sg_host_get_current_consumption(myhost1));
double last_measure_host_energy = sg_host_get_consumed_energy(myhost1);
double last_measure_connector_energy = connector->get_energy_provided();
simgrid::s4u::this_actor::sleep_for(100);
XBT_INFO("Energy consumption MyHost1: %.2fkJ, Energy from the Solar Panel %.2fkJ", (sg_host_get_consumed_energy(myhost1) - last_measure_host_energy) / 1e3, (connector->get_energy_provided() - last_measure_connector_energy) / 1e3);
XBT_INFO("MyHost1 executes something for 100s. The Solar Panel does not provide enough energy.");
last_measure_host_energy = sg_host_get_consumed_energy(myhost1);
last_measure_connector_energy = connector->get_energy_provided();
myhost1->execute(100 * myhost1->get_speed());
XBT_INFO("Energy MyHost1: %.2fkJ, Energy from the Solar Panel %.2fkJ", (sg_host_get_consumed_energy(myhost1) - last_measure_host_energy) / 1e3, (connector->get_energy_provided() - last_measure_connector_energy) / 1e3);
});
e.run();
return 0;
}
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