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/* Copyright (c) 2007-2025. 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. */
#include <simgrid/plugins/file_system.h>
#include <simgrid/s4u.hpp>
#include <vector>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
namespace sg4 = simgrid::s4u;
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
e.load_platform(argv[1]);
auto* bob = e.host_by_name("bob");
auto* carl = e.host_by_name("carl");
// Display the details on vetoed activities
sg4::Exec::on_veto_cb([](sg4::Exec const& exec) {
XBT_INFO("Exec '%s' vetoed. Dependencies: %s; Ressources: %s", exec.get_cname(),
(exec.dependencies_solved() ? "solved" : "NOT solved"), (exec.is_assigned() ? "assigned" : "NOT assigned"));
});
sg4::Io::on_veto_cb([](sg4::Io const& io) {
XBT_INFO("Io '%s' vetoed. Dependencies: %s; Ressources: %s", io.get_cname(),
(io.dependencies_solved() ? "solved" : "NOT solved"), (io.is_assigned() ? "assigned" : "NOT assigned"));
});
sg4::Exec::on_completion_cb([](sg4::Exec const& exec) {
XBT_INFO("Exec '%s' is complete (start time: %f, finish time: %f)", exec.get_cname(), exec.get_start_time(),
exec.get_finish_time());
});
// Create a small DAG: parent->write_output->read_input->child
sg4::ExecPtr parent = sg4::Exec::init();
sg4::IoPtr write_output = sg4::Io::init();
sg4::IoPtr read_input = sg4::Io::init();
sg4::ExecPtr child = sg4::Exec::init();
parent->add_successor(write_output);
write_output->add_successor(read_input);
read_input->add_successor(child);
// Set the parameters (the name is for logging purposes only)
// + parent and chile end after 1 second
parent->set_name("parent")->set_flops_amount(bob->get_speed());
write_output->set_name("write")->set_size(1e9)->set_op_type(sg4::Io::OpType::WRITE);
read_input->set_name("read")->set_size(1e9)->set_op_type(sg4::Io::OpType::READ);
child->set_name("child")->set_flops_amount(carl->get_speed());
// Schedule and try to start the different activities
parent->set_host(bob)->start();
write_output->set_disk(bob->get_disks().front())->start();
read_input->set_disk(carl->get_disks().front())->start();
child->set_host(carl)->start();
e.run();
XBT_INFO("Simulation time %g", sg4::Engine::get_clock());
return 0;
}
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