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.
explicit Node(unsigned int node_id) : id_(node_id), table(new RoutingTable(node_id)), receive_comm(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.
explicit Node(unsigned int node_id) : id_(node_id), table(new RoutingTable(node_id)), receive_comm(nullptr) {}