/*
 * \brief  Log text output session interface
 * \author Norman Feske
 * \date   2006-09-15
 */

/*
 * Copyright (C) 2006-2011 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__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 : Session
	{
		static const char *service_name() { return "LOG"; }

		virtual ~Log_session() { }

		typedef Rpc_in_buffer<256> 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_ */