void* received_msg = nullptr;
unsigned int find_node_success = 0; // Number of find_node which have succeeded.
unsigned int find_node_failed = 0; // Number of find_node which have failed.
void* received_msg = nullptr;
unsigned int find_node_success = 0; // Number of find_node which have succeeded.
unsigned int find_node_failed = 0; // Number of find_node which have failed.
Node(const Node&) = delete;
Node& operator=(const Node&) = delete;
unsigned int getId() { return id_; }
Node(const Node&) = delete;
Node& operator=(const Node&) = delete;
unsigned int getId() { return id_; }