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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/s4u.hpp"
#include <simgrid/plugins/file_system.h>
#include <vector>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
namespace sg4 = simgrid::s4u;
static void test()
{
sg4::ExecPtr bob_compute = sg4::this_actor::exec_init(1e9);
sg4::IoPtr bob_write = sg4::Host::current()->get_disks().front()->io_init(4000000, sg4::Io::OpType::WRITE);
sg4::IoPtr carl_read = sg4::Host::by_name("carl")->get_disks().front()->io_init(4000000, sg4::Io::OpType::READ);
sg4::ExecPtr carl_compute = sg4::Host::by_name("carl")->exec_init(1e9);
sg4::ActivitySet pending_activities ({bob_compute, bob_write, carl_read, carl_compute});
// Name the activities (for logging purposes only)
bob_compute->set_name("bob compute");
bob_write->set_name("bob write");
carl_read->set_name("carl read");
carl_compute->set_name("carl compute");
// Create the dependencies:
// 'bob_write' is a successor of 'bob_compute'
// 'carl_read' is a successor of 'bob_write'
// 'carl_compute' is a successor of 'carl_read'
bob_compute->add_successor(bob_write);
bob_write->add_successor(carl_read);
carl_read->add_successor(carl_compute);
// Start the activities.
bob_compute->start();
bob_write->start();
carl_read->start();
carl_compute->start();
// wait for the completion of all activities
while (not pending_activities.empty()) {
auto completed_one = pending_activities.wait_any();
if (completed_one != nullptr)
XBT_INFO("Activity '%s' is complete", completed_one->get_cname());
}
}
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
e.load_platform(argv[1]);
e.host_by_name("bob")->add_actor("bob", test);
e.run();
XBT_INFO("Simulation time %g", e.get_clock());
return 0;
}
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