/*
 * Copyright 2001-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef USERLAND_FS_H
#define USERLAND_FS_H

#include <SupportDefs.h>

#include "AutoLocker.h"
#include "Locker.h"
#include "HashMap.h"
#include "String.h"

namespace UserlandFSUtil {

class RequestPort;

}

using UserlandFSUtil::RequestPort;

class FileSystem;
class FileSystemInitializer;

class UserlandFS {
private:
                                                                UserlandFS();
                                                                ~UserlandFS();

public:
        static  status_t                        InitUserlandFS(UserlandFS** userlandFS);
        static  void                            UninitUserlandFS();
        static  UserlandFS*                     GetUserlandFS();

                        status_t                        RegisterFileSystem(const char* name,
                                                                        FileSystem** fileSystem);
                        status_t                        UnregisterFileSystem(FileSystem* fileSystem);

                        int32                           CountFileSystems() const;

private:
                        friend class KernelDebug;
                        typedef SynchronizedHashMap<String, FileSystemInitializer*, Locker>
                                FileSystemMap;
                        typedef AutoLocker<UserlandFS::FileSystemMap> FileSystemLocker;

private:
                        status_t                        _Init();
                        status_t                        _UnregisterFileSystem(const char* name);

private:
        static  UserlandFS*                     sUserlandFS;

                        FileSystemMap*          fFileSystems;
                        bool                            fDebuggerCommandsAdded;
};

#endif  // USERLAND_FS_H