+++ /dev/null
-/* Copyright (c) 2012-2019. 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 "answer.hpp"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(kademlia_node);
-
-namespace kademlia {
-
-bool sortbydistance(const std::pair<unsigned int, unsigned int>& a, const std::pair<unsigned int, unsigned int>& b)
-{
- return (a.second < b.second);
-}
-
-/** @brief Prints a answer_t, for debugging purposes */
-void Answer::print()
-{
- XBT_INFO("Searching %08x, size %u", destination_id_, size_);
- unsigned int i = 0;
- for (auto contact : nodes)
- XBT_INFO("Node %08x: %08x is at distance %u", i++, contact.first, contact.second);
-}
-
-/** @brief Merge two answers together, only keeping the best nodes
- * @param source the source of the nodes to add
- */
-unsigned int Answer::merge(const Answer* source)
-{
- if (this == source)
- return 0;
-
- unsigned int nb_added = 0;
- for (auto contact : source->nodes) {
- if (std::find(nodes.begin(), nodes.end(), contact) == nodes.end()) {
- nodes.push_back(contact);
- size_++;
- nb_added++;
- }
- }
- std::sort(nodes.begin(), nodes.end(), sortbydistance);
- trim();
- return nb_added;
-}
-
-/** @brief Trims an Answer, in order for it to have a size of less or equal to "bucket_size" */
-void Answer::trim()
-{
- while (size_ > BUCKET_SIZE) {
- nodes.pop_back();
- size_--;
- }
- xbt_assert(nodes.size() == size_, "Wrong size for the answer");
-}
-
-/** @brief Returns if the destination we are trying to find is found
- * @return if the destination is found.
- */
-bool Answer::destinationFound()
-{
- if (nodes.empty())
- return 0;
-
- return (*nodes.begin()).second == 0;
-}
-
-/** @brief Adds the content of a bucket unsigned into a answer object.
- * @param bucket the bucket we have to had unsigned into
- */
-void Answer::addBucket(const Bucket* bucket)
-{
- xbt_assert((bucket != nullptr), "Provided a NULL bucket");
-
- for (auto id : bucket->nodes) {
- unsigned int distance = id ^ destination_id_;
- nodes.push_back(std::pair<unsigned int, unsigned int>(id, distance));
- size_++;
- }
-}
-}