(conn1 net.Conn, conn2 net.Conn)

()

(config_file_location string)

()

(db_name string)

(c net.Conn, db_name string, get_db_address_by_name get_db_address_by_name_function)

(listening_port string, db_name string, get_db_address_by_name get_db_address_by_name_function)

()

()

(name string)

(log_file_path string)

(addresses []string)

(level int, message ...string)

()