Hprose\Swoole\Socket\HalfDuplexTransporter::recycle PHP Method

    public function recycle($conn)
    {
        if (array_search($conn, $this->pool, true) === false) {
            $conn->sleep();
            $conn->timer = swoole_timer_after($this->client->poolTimeout, function () use($conn) {
                swoole_timer_clear($conn->timer);
                if ($conn->isConnected()) {
                    $conn->close();
                }
            });
            $this->pool[] = $conn;
        }
    }