genode/repos/os/include/block_session/connection.h
Norman Feske c1b981ede4 Annotate session interfaces with CAP_QUOTA
The new 'CAP_QUOTA' enum value denotes the capability quota to be
transferred from the client to the server at session-creation time.

Issue #2398
2017-05-31 13:16:04 +02:00

70 lines
2.0 KiB
C++

/*
* \brief Connection to block service
* \author Stefan Kalkowski
* \date 2010-07-07
*/
/*
* Copyright (C) 2010-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _INCLUDE__BLOCK_SESSION__CONNECTION_H_
#define _INCLUDE__BLOCK_SESSION__CONNECTION_H_
#include <block_session/client.h>
#include <base/connection.h>
#include <base/allocator.h>
namespace Block { struct Connection; }
struct Block::Connection : Genode::Connection<Session>, Session_client
{
/**
* Issue session request
*
* \noapi
*/
Capability<Block::Session> _session(Genode::Parent &parent,
char const *label, Genode::size_t tx_buf_size)
{
return session(parent, "ram_quota=%ld, cap_quota=%ld, tx_buf_size=%ld, label=\"%s\"",
14*1024 + tx_buf_size, CAP_QUOTA, tx_buf_size, label);
}
/**
* Constructor
*
* \param tx_buffer_alloc allocator used for managing the
* transmission buffer
* \param tx_buf_size size of transmission buffer in bytes
*/
Connection(Genode::Env &env,
Genode::Range_allocator *tx_block_alloc,
Genode::size_t tx_buf_size = 128*1024,
const char *label = "")
:
Genode::Connection<Session>(env, _session(env.parent(), label, tx_buf_size)),
Session_client(cap(), *tx_block_alloc, env.rm())
{ }
/**
* Constructor
*
* \noapi
* \deprecated Use the constructor with 'Env &' as first
* argument instead
*/
Connection(Genode::Range_allocator *tx_block_alloc,
Genode::size_t tx_buf_size = 128*1024,
const char *label = "") __attribute__((deprecated))
:
Genode::Connection<Session>(_session(*Genode::env_deprecated()->parent(), label, tx_buf_size)),
Session_client(cap(), *tx_block_alloc, *Genode::env_deprecated()->rm_session())
{ }
};
#endif /* _INCLUDE__BLOCK_SESSION__CONNECTION_H_ */