forked from Bananymous/banan-os
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
|
|
|
|
#include <BAN/String.h>
|
|
#include <BAN/Vector.h>
|
|
#include <kernel/FS/FileSystem.h>
|
|
#include <kernel/Lock/Mutex.h>
|
|
|
|
namespace Kernel
|
|
{
|
|
|
|
class VirtualFileSystem : public FileSystem
|
|
{
|
|
public:
|
|
static void initialize(BAN::StringView);
|
|
static VirtualFileSystem& get();
|
|
|
|
virtual BAN::RefPtr<Inode> root_inode() override { return m_root_fs->root_inode(); }
|
|
|
|
// FIXME:
|
|
virtual dev_t dev() const override { return 0; }
|
|
|
|
BAN::ErrorOr<void> mount(const Credentials&, BAN::StringView, BAN::StringView);
|
|
BAN::ErrorOr<void> mount(const Credentials&, BAN::RefPtr<FileSystem>, BAN::StringView);
|
|
|
|
struct File
|
|
{
|
|
BAN::RefPtr<Inode> inode;
|
|
BAN::String canonical_path;
|
|
};
|
|
BAN::ErrorOr<File> file_from_absolute_path(const Credentials&, BAN::StringView, int);
|
|
|
|
private:
|
|
VirtualFileSystem() = default;
|
|
|
|
struct MountPoint
|
|
{
|
|
BAN::RefPtr<FileSystem> target;
|
|
File host;
|
|
};
|
|
MountPoint* mount_from_host_inode(BAN::RefPtr<Inode>);
|
|
MountPoint* mount_from_root_inode(BAN::RefPtr<Inode>);
|
|
|
|
private:
|
|
Mutex m_mutex;
|
|
BAN::RefPtr<FileSystem> m_root_fs;
|
|
BAN::Vector<MountPoint> m_mount_points;
|
|
|
|
friend class BAN::RefPtr<VirtualFileSystem>;
|
|
};
|
|
|
|
}
|