examples/cpp/battery-energy/s4u-battery-energy.cpp

   1 /* Copyright (c) 2003-2023. The SimGrid Team. All rights reserved.          */
   2
   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. */
   5
   6 #include "simgrid/plugins/battery.hpp"
   7 #include "simgrid/plugins/energy.h"
   8 #include "simgrid/s4u.hpp"
   9 #include <simgrid/s4u/Actor.hpp>
  10 #include <simgrid/s4u/Engine.hpp>
  11
  12 XBT_LOG_NEW_DEFAULT_CATEGORY(battery_energy, "Messages specific for this s4u example");
  13
  14 static void manager()
  15 {
  16   auto battery = simgrid::plugins::Battery::init("Battery", 0.8, -300, 300, 0.9, 0.9, 10, 1000);
  17
  18   auto* host1 = simgrid::s4u::Engine::get_instance()->host_by_name("MyHost1");
  19   auto* host2 = simgrid::s4u::Engine::get_instance()->host_by_name("MyHost2");
  20   auto* host3 = simgrid::s4u::Engine::get_instance()->host_by_name("MyHost3");
  21
  22   battery->schedule_handler(
  23       0.2, simgrid::plugins::Battery::DISCHARGE, simgrid::plugins::Battery::Handler::PERSISTANT,
  24       [&battery, &host1, &host2, &host3]() {
  25         XBT_INFO("Handler -> Battery low: SoC: %f SoH: %f Energy stored: %fJ Energy provided: %fJ Energy consumed %fJ",
  26                  battery->get_state_of_charge(), battery->get_state_of_health(), battery->get_energy_stored(),
  27                  battery->get_energy_provided(), battery->get_energy_consumed());
  28         XBT_INFO("Disconnecting hosts %s and %s", host1->get_cname(), host2->get_cname());
  29         battery->connect_host(host1, false);
  30         battery->connect_host(host2, false);
  31         XBT_INFO("Energy consumed this far by: %s: %fJ, %s: %fJ, %s: %fJ", host1->get_cname(),
  32                  sg_host_get_consumed_energy(host1), host2->get_cname(), sg_host_get_consumed_energy(host2),
  33                  host3->get_cname(), sg_host_get_consumed_energy(host3));
  34       });
  35
  36   XBT_INFO("Battery state: SoC: %f SoH: %f Energy stored: %fJ Energy provided: %fJ Energy consumed %fJ",
  37            battery->get_state_of_charge(), battery->get_state_of_health(), battery->get_energy_stored(),
  38            battery->get_energy_provided(), battery->get_energy_consumed());
  39   XBT_INFO("Connecting hosts %s and %s to the battery", host1->get_cname(), host2->get_cname());
  40   battery->connect_host(host1);
  41   battery->connect_host(host2);
  42
  43   double flops = 1e9;
  44   XBT_INFO("Host %s will now execute %f flops", host1->get_cname(), flops);
  45   host2->execute(flops);
  46
  47   simgrid::s4u::this_actor::sleep_until(200);
  48   XBT_INFO("Battery state: SoC: %f SoH: %f Energy stored: %fJ Energy provided: %fJ Energy consumed %fJ",
  49            battery->get_state_of_charge(), battery->get_state_of_health(), battery->get_energy_stored(),
  50            battery->get_energy_provided(), battery->get_energy_consumed());
  51 }
  52
  53 int main(int argc, char* argv[])
  54 {
  55   simgrid::s4u::Engine e(&argc, argv);
  56   // if you plan to use Battery::connect_host you have to init the energy plugin at start.
  57   sg_host_energy_plugin_init();
  58   e.load_platform(argv[1]);
  59
  60   simgrid::s4u::Actor::create("manager", e.host_by_name("MyHost1"), manager);
  61
  62   e.run();
  63   return 0;
  64 }