genode/repos/os/include/block_session/rpc_object.h

/*
 * \brief  Server-side block session interface
 * \author Stefan Kalkowski
 * \date   2010-07-06
 */

/*
 * Copyright (C) 2010-2013 Genode Labs GmbH
 *
 * This file is part of the Genode OS framework, which is distributed
 * under the terms of the GNU General Public License version 2.
 */

#ifndef _INCLUDE__BLOCK_SESSION__SERVER_H_
#define _INCLUDE__BLOCK_SESSION__SERVER_H_

#include <block_session/block_session.h>
#include <packet_stream_tx/rpc_object.h>
#include <base/rpc_server.h>

namespace Block { class Session_rpc_object; }


class Block::Session_rpc_object : public Genode::Rpc_object<Session, Session_rpc_object>
{
	protected:

		Packet_stream_tx::Rpc_object<Tx> _tx;

	public:

		/**
		 * Constructor
		 *
		 * \param tx_ds  dataspace used as communication buffer
		 *               for the tx packet stream
		 * \param ep     entry point used for packet-stream channel
		 */
		Session_rpc_object(Genode::Region_map &local_rm,
		                   Genode::Dataspace_capability tx_ds,
		                   Genode::Rpc_entrypoint &ep)
		: _tx(tx_ds, local_rm, ep) { }

		/**
		 * Constructor
		 *
		 * \deprecated
		 * \noapi
		 */
		Session_rpc_object(Genode::Dataspace_capability tx_ds,
		                   Genode::Rpc_entrypoint &ep) __attribute__((deprecated))
		: _tx(tx_ds, *Genode::env_deprecated()->rm_session(), ep) { }

		/**
		 * Return capability to packet-stream channel
		 *
		 * This method is called by the client via an RPC call at session
		 * construction time.
		 */
		Genode::Capability<Tx> _tx_cap() { return _tx.cap(); }

		Tx::Sink *tx_sink() { return _tx.sink(); }
};

#endif /* _INCLUDE__BLOCK_SESSION__SERVER_H_ */