genode/repos/os/include/block_session/connection.h
Norman Feske e5f27b44b5 block_session: turn 'Connection' into template
As a preparatory step for introducing the new block-client API, we have
to turn the 'Block::Connection' into a class template. The template
argument will be used to tie an application-defined job type to the
block connection.

Issue #3283
2019-05-06 16:15:25 +02:00

48 lines
1.3 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 { template <typename> struct Connection; }
template <typename JOB = void>
struct Block::Connection : Genode::Connection<Session>, Session_client
{
/**
* 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(),
"ram_quota=%ld, cap_quota=%ld, tx_buf_size=%ld, label=\"%s\"",
14*1024 + tx_buf_size, CAP_QUOTA, tx_buf_size, label)),
Session_client(cap(), *tx_block_alloc, env.rm())
{ }
};
#endif /* _INCLUDE__BLOCK_SESSION__CONNECTION_H_ */