genode/repos/os/include/usb_session/connection.h
2017-02-28 12:59:29 +01:00

71 lines
2.2 KiB
C++

/**
* \brief Client connection to USB server
* \author Sebastian Sumpf
* \date 2014-12-08
*/
/*
* Copyright (C) 2014-2017 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__USB_SESSION__CONNECTION_H_
#define _INCLUDE__USB_SESSION__CONNECTION_H_
#include <usb_session/client.h>
#include <base/connection.h>
#include <base/allocator.h>
namespace Usb { struct Connection; }
struct Usb::Connection : Genode::Connection<Session>, Session_client
{
/**
* Issue session request
*
* \noapi
*/
Capability<Usb::Session> _session(Genode::Parent &parent,
char const *label,
Genode::size_t tx_buf_size)
{
return session(parent, "ram_quota=%ld, tx_buf_size=%ld, label=\"%s\"",
3 * 4096 + tx_buf_size, tx_buf_size, label);
}
/**
* Constructor
*/
Connection(Genode::Env &env,
Genode::Range_allocator *tx_block_alloc,
char const *label = "",
Genode::size_t tx_buf_size = 512 * 1024,
Genode::Signal_context_capability sigh_state_changed =
Genode::Signal_context_capability())
:
Genode::Connection<Session>(env, _session(env.parent(), label, tx_buf_size)),
Session_client(cap(), *tx_block_alloc, env.rm(), sigh_state_changed)
{ }
/**
* Constructor
*
* \noapi
* \deprecated Use the constructor with 'Env &' as first
* argument instead
*/
Connection(Genode::Range_allocator *tx_block_alloc,
char const *label = "",
Genode::size_t tx_buf_size = 512 * 1024,
Genode::Signal_context_capability sigh_state_changed =
Genode::Signal_context_capability()) __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(), sigh_state_changed)
{ }
};
#endif /* _INCLUDE__USB_SESSION__CONNECTION_H_ */