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82a683eccc
Reduce the size and forward compatibility of VFS file-system constructors by passing an object holding accessors for 'Genode::Env', 'Genode::Allocator', response handlers, and the root file-system. Fix #2742
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* \brief Cross-plugin VFS environment
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* \author Emery Hemingway
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* \date 2018-04-04
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*/
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/*
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* Copyright (C) 2018 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__VFS__SIMPLE_ENV_H_
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#define _INCLUDE__VFS__SIMPLE_ENV_H_
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#include <vfs/file_system_factory.h>
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#include <vfs/dir_file_system.h>
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#include <vfs/env.h>
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namespace Vfs { struct Simple_env; }
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class Vfs::Simple_env : public Vfs::Env
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{
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private:
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Genode::Env &_env;
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Genode::Allocator &_alloc;
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struct Io_response_dummy : Vfs::Io_response_handler {
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void handle_io_response(Vfs::Vfs_handle::Context*) override { }
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} _io_dummy { };
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struct Watch_response_dummy : Vfs::Watch_response_handler {
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void handle_watch_response(Vfs::Vfs_watch_handle::Context*) override { }
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} _watch_dummy { };
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Vfs::Global_file_system_factory _fs_factory { _alloc };
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Vfs::Dir_file_system _root_dir;
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public:
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Simple_env(Genode::Env &env,
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Genode::Allocator &alloc,
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Genode::Xml_node config)
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:
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_env(env), _alloc(alloc), _root_dir(*this, config, _fs_factory)
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{ }
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Genode::Env &env() override { return _env; }
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Genode::Allocator &alloc() override { return _alloc; }
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Vfs::File_system &root_dir() override { return _root_dir; }
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Vfs::Io_response_handler &io_handler() override { return _io_dummy; }
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Vfs::Watch_response_handler &watch_handler() override { return _watch_dummy; }
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};
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#endif /* _INCLUDE__VFS__SIMPLE_ENV_H_ */
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