genode/repos/os/include/file_system_session/connection.h
Emery Hemingway 48fd034cfe New session arguments at File_system connection
Session root and writeablity may be specified at the session
convenience constructor.

Issue #1648
2015-11-04 14:09:23 +01:00

60 lines
1.5 KiB
C++

/*
* \brief Connection to file-system service
* \author Norman Feske
* \date 2012-04-05
*/
/*
* Copyright (C) 2012-2013 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__FILE_SYSTEM_SESSION__CONNECTION_H_
#define _INCLUDE__FILE_SYSTEM_SESSION__CONNECTION_H_
#include <file_system_session/client.h>
#include <base/connection.h>
#include <base/allocator.h>
namespace File_system {
struct Connection;
/* recommended packet transmission buffer size */
enum { DEFAULT_TX_BUF_SIZE = 128*1024 };
}
struct File_system::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(Range_allocator &tx_block_alloc,
size_t tx_buf_size = DEFAULT_TX_BUF_SIZE,
char const *label = "",
char const *root = "/",
bool writeable = true)
:
Genode::Connection<Session>(
session("ram_quota=%zd, "
"tx_buf_size=%zd, "
"label=\"%s\", "
"root=\"%s\", "
"writeable=%d",
4*1024*sizeof(long) + tx_buf_size,
tx_buf_size,
label, root, writeable)),
Session_client(cap(), tx_block_alloc)
{ }
};
#endif /* _INCLUDE__FILE_SYSTEM_SESSION__CONNECTION_H_ */