1 /* Copyright (c) 2010-2018. 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 int main(int argc, char* argv[])
17 simgrid::s4u::Engine e(&argc, argv);
18 xbt_assert(argc > 2, "Usage: %s [-nb_bits=n] [-timeout=t] platform_file deployment_file\n"
19 "\tExample: %s ../msg_platform.xml chord.xml\n",
21 char** options = &argv[1];
22 while (not strncmp(options[0], "-", 1)) {
23 unsigned int length = strlen("-nb_bits=");
24 if (not strncmp(options[0], "-nb_bits=", length) && strlen(options[0]) > length) {
25 nb_bits = xbt_str_parse_int(options[0] + length, "Invalid nb_bits parameter: %s");
26 XBT_DEBUG("Set nb_bits to %d", nb_bits);
28 length = strlen("-timeout=");
29 if (not strncmp(options[0], "-timeout=", length) && strlen(options[0]) > length) {
30 timeout = xbt_str_parse_int(options[0] + length, "Invalid timeout parameter: %s");
31 XBT_DEBUG("Set timeout to %d", timeout);
33 xbt_die("Invalid chord option '%s'", options[0]);
39 e.load_platform(options[0]);
41 /* Global initialization of the Chord simulation. */
42 nb_keys = 1U << nb_bits;
43 XBT_DEBUG("Sets nb_keys to %d", nb_keys);
45 HostChord::EXTENSION_ID = simgrid::s4u::Host::extension_create<HostChord>();
46 for (auto const& host : simgrid::s4u::Engine::get_instance()->get_all_hosts())
47 host->extension_set(new HostChord(host));
49 e.register_actor<Node>("node");
50 e.load_deployment(options[1]);
54 XBT_INFO("Simulated time: %g", e.get_clock());