func newClient(c net.Conn, ldb *ledis.Ledis) { co := new(client) co.ldb = ldb //use default db co.db, _ = ldb.Select(0) co.c = c co.rb = bufio.NewReaderSize(c, 256) co.wb = bufio.NewWriterSize(c, 256) co.reqC = make(chan error, 1) go co.run() }