1 /* Copyright (c) 2010-2019. 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 "s4u-dht-chord.hpp"
8 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_chord, "Messages specific for this s4u example");
9 simgrid::xbt::Extension<simgrid::s4u::Host, HostChord> HostChord::EXTENSION_ID;
15 std::default_random_engine generator;
17 int main(int argc, char* argv[])
19 simgrid::s4u::Engine e(&argc, argv);
21 "Usage: %s [-nb_bits=n] [-timeout=t] platform_file deployment_file\n"
22 "\tExample: %s ../platforms/cluster_backbone.xml ./s4u-dht-chord_d.xml\n",
24 char** options = &argv[1];
25 while (not strncmp(options[0], "-", 1)) {
26 unsigned int length = strlen("-nb_bits=");
27 if (not strncmp(options[0], "-nb_bits=", length) && strlen(options[0]) > length) {
28 nb_bits = xbt_str_parse_int(options[0] + length, "Invalid nb_bits parameter: %s");
29 XBT_DEBUG("Set nb_bits to %d", nb_bits);
31 length = strlen("-timeout=");
32 if (not strncmp(options[0], "-timeout=", length) && strlen(options[0]) > length) {
33 timeout = xbt_str_parse_int(options[0] + length, "Invalid timeout parameter: %s");
34 XBT_DEBUG("Set timeout to %d", timeout);
36 xbt_die("Invalid chord option '%s'", options[0]);
42 e.load_platform(options[0]);
44 /* Global initialization of the Chord simulation. */
45 nb_keys = 1U << nb_bits;
46 XBT_DEBUG("Sets nb_keys to %d", nb_keys);
48 HostChord::EXTENSION_ID = simgrid::s4u::Host::extension_create<HostChord>();
49 for (auto const& host : simgrid::s4u::Engine::get_instance()->get_all_hosts())
50 host->extension_set(new HostChord(host));
52 e.register_actor<Node>("node");
53 e.load_deployment(options[1]);
57 XBT_INFO("Simulated time: %g", e.get_clock());