genode/repos/base/include/log_session/log_session.h
Christian Helmuth 0da420c104 Limit max string length in log session for okl4
This commit also adds a test to test-log.
2017-10-19 13:31:16 +02:00

68 lines
1.4 KiB
C++

/*
* \brief Log text output session interface
* \author Norman Feske
* \date 2006-09-15
*/
/*
* Copyright (C) 2006-2017 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__LOG_SESSION__LOG_SESSION_H_
#define _INCLUDE__LOG_SESSION__LOG_SESSION_H_
#include <base/capability.h>
#include <base/stdint.h>
#include <base/rpc_args.h>
#include <session/session.h>
namespace Genode {
struct Log_session;
struct Log_session_client;
}
struct Genode::Log_session : Session
{
/**
* \noapi
*/
static const char *service_name() { return "LOG"; }
/*
* A LOG connection consumes a dataspace capability for the session-object
* allocation and its session capability.
*/
enum { CAP_QUOTA = 2 };
typedef Log_session_client Client;
virtual ~Log_session() { }
/* the lowest platform-specific maximum IPC payload size (OKL4) */
enum { MAX_STRING_LEN = 232 };
typedef Rpc_in_buffer<MAX_STRING_LEN> String;
/**
* Output null-terminated string
*
* \return number of written characters
*/
virtual size_t write(String const &string) = 0;
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_write, size_t, write, String const &);
GENODE_RPC_INTERFACE(Rpc_write);
};
#endif /* _INCLUDE__LOG_SESSION__LOG_SESSION_H_ */