+++ /dev/null
-/* Copyright (c) 2012-2020. 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 "s4u-dht-kademlia.hpp"
-
-#include "message.hpp"
-#include "node.hpp"
-#include "simgrid/s4u.hpp"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(kademlia, "Messages specific for this example");
-
-/** @brief Node function
- * @param my node ID
- * @param the ID of the person I know in the system (or not)
- * @param Time before I leave the system because I'm bored
- */
-static void node(int argc, char* argv[])
-{
- bool join_success = true;
- double deadline;
- xbt_assert(argc == 3 || argc == 4, "Wrong number of arguments");
- /* Node initialization */
- unsigned int node_id = strtoul(argv[1], nullptr, 0);
- kademlia::Node node(node_id);
-
- if (argc == 4) {
- XBT_INFO("Hi, I'm going to join the network with id %u", node.getId());
- unsigned int known_id = strtoul(argv[2], NULL, 0);
- join_success = node.join(known_id);
- deadline = std::stod(argv[3]);
- } else {
- deadline = std::stod(argv[2]);
- XBT_INFO("Hi, I'm going to create the network with id %u", node.getId());
- node.routingTableUpdate(node.getId());
- }
-
- if (join_success) {
- XBT_VERB("Ok, I'm joining the network with id %u", node.getId());
- // We start the main loop
- double next_lookup_time = simgrid::s4u::Engine::get_clock() + RANDOM_LOOKUP_INTERVAL;
-
- XBT_VERB("Main loop start");
-
- simgrid::s4u::Mailbox* mailbox = simgrid::s4u::Mailbox::by_name(std::to_string(node.getId()));
-
- while (simgrid::s4u::Engine::get_clock() < deadline) {
- if (node.receive_comm == nullptr)
- node.receive_comm = mailbox->get_async(&node.received_msg);
-
- if (node.receive_comm->test()) {
- // There has been a message, we need to handle it !
- const kademlia::Message* msg = static_cast<kademlia::Message*>(node.received_msg);
- if (msg) {
- node.handleFindNode(msg);
- delete msg->answer_;
- delete msg;
- node.receive_comm = nullptr;
- } else
- simgrid::s4u::this_actor::sleep_for(1);
- } else {
- /* We search for a pseudo random node */
- if (simgrid::s4u::Engine::get_clock() >= next_lookup_time) {
- node.randomLookup();
- next_lookup_time += RANDOM_LOOKUP_INTERVAL;
- } else {
- // Didn't get a message: sleep for a while...
- simgrid::s4u::this_actor::sleep_for(1);
- }
- }
- }
- } else {
- XBT_INFO("I couldn't join the network :(");
- }
- XBT_DEBUG("I'm leaving the network");
- node.displaySuccessRate();
-}
-
-/** @brief Main function */
-int main(int argc, char* argv[])
-{
- simgrid::s4u::Engine e(&argc, argv);
-
- /* Check the arguments */
- xbt_assert(argc > 2,
- "Usage: %s platform_file deployment_file\n\tExample: %s cluster_backbone.xml dht-kademlia_d.xml\n",
- argv[0], argv[0]);
-
- e.load_platform(argv[1]);
- e.register_function("node", node);
- e.load_deployment(argv[2]);
-
- e.run();
-
- XBT_INFO("Simulated time: %g", simgrid::s4u::Engine::get_clock());
-
- return 0;
-}
