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

102 lines
2.5 KiB
C++

/*
* \brief Connection to ROM file service
* \author Norman Feske
* \date 2008-08-22
*/
/*
* Copyright (C) 2008-2017 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__ROM_SESSION__CONNECTION_H_
#define _INCLUDE__ROM_SESSION__CONNECTION_H_
#include <rom_session/client.h>
#include <base/connection.h>
#include <base/log.h>
namespace Genode { class Rom_connection; }
class Genode::Rom_connection : public Connection<Rom_session>,
public Rom_session_client
{
public:
class Rom_connection_failed : public Parent::Exception { };
enum { RAM_QUOTA = 6*1024UL };
private:
Rom_session_capability _session(Parent &parent, char const *label)
{
return session("ram_quota=%ld, label=\"%s\"", RAM_QUOTA, label);
}
public:
/**
* Constructor
*
* \param label request label and name of ROM module
*
* \throw Rom_connection_failed
*/
Rom_connection(Env &env, const char *label)
try :
Connection<Rom_session>(env, _session(env.parent(), label)),
Rom_session_client(cap())
{ }
catch (...) {
error("Could not open ROM session for \"", label, "\"");
throw Rom_connection_failed();
}
/**
* Constructor
*
* \noapi
* \deprecated Use the constructor with 'Env &' as first
* argument instead
*/
Rom_connection(const char *label) __attribute__((deprecated))
try :
Connection<Rom_session>(_session(*env_deprecated()->parent(), label)),
Rom_session_client(cap())
{ }
catch (...) {
error("Could not open ROM session for \"", label, "\"");
throw Rom_connection_failed();
}
/**
* Constructor
*
* \noapi
* \deprecated Use the constructor with 'Env &' as first
* argument instead
*
* This version is deliberately used by functions that are marked as
* deprecated. If such a function called directly the
* __attribute__((deprecate)) version, we would always get a warning,
* even if the outer deprecated function is not called.
*
* It will be removed as soon as they are gone.
*/
Rom_connection(bool, const char *label)
try :
Connection<Rom_session>(_session(*env_deprecated()->parent(), label)),
Rom_session_client(cap())
{ }
catch (...) {
error("Could not open ROM session for \"", label, "\"");
throw Rom_connection_failed();
}
};
#endif /* _INCLUDE__ROM_SESSION__CONNECTION_H_ */