1 /* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
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. */
6 #include "simgrid/s4u.hpp"
7 #include <simgrid/plugins/file_system.h>
10 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
14 std::vector<simgrid::s4u::ActivityPtr> pending_activities;
16 simgrid::s4u::ExecPtr bob_compute = simgrid::s4u::this_actor::exec_init(1e9);
17 pending_activities.push_back(boost::dynamic_pointer_cast<simgrid::s4u::Activity>(bob_compute));
18 simgrid::s4u::IoPtr bob_write =
19 simgrid::s4u::Host::current()->get_disks().front()->io_init(4000000, simgrid::s4u::Io::OpType::WRITE);
20 pending_activities.push_back(boost::dynamic_pointer_cast<simgrid::s4u::Activity>(bob_write));
21 simgrid::s4u::IoPtr carl_read =
22 simgrid::s4u::Host::by_name("carl")->get_disks().front()->io_init(4000000, simgrid::s4u::Io::OpType::READ);
23 pending_activities.push_back(boost::dynamic_pointer_cast<simgrid::s4u::Activity>(carl_read));
24 simgrid::s4u::ExecPtr carl_compute = simgrid::s4u::Host::by_name("carl")->exec_init(1e9);
25 pending_activities.push_back(boost::dynamic_pointer_cast<simgrid::s4u::Activity>(carl_compute));
27 // Name the activities (for logging purposes only)
28 bob_compute->set_name("bob compute");
29 bob_write->set_name("bob write");
30 carl_read->set_name("carl read");
31 carl_compute->set_name("carl compute");
33 // Create the dependencies:
34 // 'bob_write' is a successor of 'bob_compute'
35 // 'carl_read' is a successor of 'bob_write'
36 // 'carl_compute' is a successor of 'carl_read'
37 bob_compute->add_successor(bob_write);
38 bob_write->add_successor(carl_read);
39 carl_read->add_successor(carl_compute);
41 // Start the activities.
43 bob_write->vetoable_start();
44 carl_read->vetoable_start();
45 carl_compute->vetoable_start();
47 // wait for the completion of all activities
48 while (not pending_activities.empty()) {
49 ssize_t changed_pos = simgrid::s4u::Activity::wait_any(pending_activities);
50 XBT_INFO("Activity '%s' is complete", pending_activities[changed_pos]->get_cname());
51 pending_activities.erase(pending_activities.begin() + changed_pos);
55 int main(int argc, char* argv[])
57 simgrid::s4u::Engine e(&argc, argv);
58 sg_storage_file_system_init();
59 e.load_platform(argv[1]);
61 simgrid::s4u::Actor::create("bob", e.host_by_name("bob"), test);
65 XBT_INFO("Simulation time %g", simgrid::s4u::Engine::get_clock());