1 /* Copyright (c) 2017-2019. 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"
8 #include <unordered_map>
10 XBT_LOG_NEW_DEFAULT_CATEGORY(disk, "Messages specific for this simulation");
14 /* - Display information on the disks mounted by the current host */
15 XBT_INFO("*** Storage info on %s ***", simgrid::s4u::Host::current()->get_cname());
17 /* - Retrieve all disks from current host */
18 std::vector<simgrid::s4u::Disk*> const& disk_list = simgrid::s4u::Host::current()->get_disks();
20 /* - For each disk mounted on host, display disk name and mount point */
21 for (auto disk : disk_list)
22 XBT_INFO("Disk name: %s", disk->get_cname());
24 /* - Write 400,000 bytes on Disk1 */
25 simgrid::s4u::Disk* disk = disk_list.front();
26 sg_size_t write = disk->write(400000);
27 XBT_INFO("Wrote %llu bytes on '%s'", write, disk->get_cname());
29 /* - Now read 200,000 bytes */
30 sg_size_t read = disk->read(200000);
31 XBT_INFO("Read %llu bytes on '%s'", read, disk->get_cname());
33 /* - Attach some user data to disk1 */
34 XBT_INFO("*** Get/set data for storage element: Disk1 ***");
36 std::string* data = static_cast<std::string*>(disk->get_data());
38 XBT_INFO("Get storage data: '%s'", data ? data->c_str() : "No user data");
40 disk->set_data(new std::string("Some user data"));
41 data = static_cast<std::string*>(disk->get_data());
42 XBT_INFO("Set and get data: '%s'", data->c_str());
46 int main(int argc, char** argv)
48 simgrid::s4u::Engine e(&argc, argv);
49 e.load_platform(argv[1]);
51 simgrid::s4u::Actor::create("", simgrid::s4u::Host::by_name("bob"), host);
54 XBT_INFO("Simulated time: %g", simgrid::s4u::Engine::get_clock());