106 lines
4.4 KiB
C++
106 lines
4.4 KiB
C++
#pragma once
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#ifndef MESSMER_FSPP_IMPL_FILESYSTEMIMPL_H_
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#define MESSMER_FSPP_IMPL_FILESYSTEMIMPL_H_
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#include "FuseOpenFileList.h"
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#include "../fuse/Filesystem.h"
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#include <messmer/cpp-utils/pointer/unique_ref.h>
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#include <atomic>
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//Remove this line if you don't want profiling
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//#define FSPP_PROFILE 1
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//TODO Test
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namespace fspp {
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class Node;
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class File;
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class Symlink;
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class OpenFile;
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class FilesystemImpl final: public fuse::Filesystem {
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public:
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explicit FilesystemImpl(Device *device);
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virtual ~FilesystemImpl();
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int openFile(const boost::filesystem::path &path, int flags) override;
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void flush(int descriptor) override;
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void closeFile(int descriptor) override;
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void lstat(const boost::filesystem::path &path, struct ::stat *stbuf) override;
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void fstat(int descriptor, struct ::stat *stbuf) override;
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void chmod(const boost::filesystem::path &path, mode_t mode) override;
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void chown(const boost::filesystem::path &path, uid_t uid, gid_t gid) override;
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void truncate(const boost::filesystem::path &path, off_t size) override;
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void ftruncate(int descriptor, off_t size) override;
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size_t read(int descriptor, void *buf, size_t count, off_t offset) override;
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void write(int descriptor, const void *buf, size_t count, off_t offset) override;
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void fsync(int descriptor) override;
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void fdatasync(int descriptor) override;
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void access(const boost::filesystem::path &path, int mask) override;
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int createAndOpenFile(const boost::filesystem::path &path, mode_t mode, uid_t uid, gid_t gid) override;
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void mkdir(const boost::filesystem::path &path, mode_t mode, uid_t uid, gid_t gid) override;
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void rmdir(const boost::filesystem::path &path) override;
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void unlink(const boost::filesystem::path &path) override;
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void rename(const boost::filesystem::path &from, const boost::filesystem::path &to) override;
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cpputils::unique_ref<std::vector<Dir::Entry>> readDir(const boost::filesystem::path &path) override;
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void utimens(const boost::filesystem::path &path, timespec lastAccessTime, timespec lastModificationTime) override;
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void statfs(const boost::filesystem::path &path, struct statvfs *fsstat) override;
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void createSymlink(const boost::filesystem::path &to, const boost::filesystem::path &from, uid_t uid, gid_t gid) override;
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void readSymlink(const boost::filesystem::path &path, char *buf, size_t size) override;
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private:
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cpputils::unique_ref<File> LoadFile(const boost::filesystem::path &path);
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cpputils::unique_ref<Dir> LoadDir(const boost::filesystem::path &path);
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cpputils::unique_ref<Symlink> LoadSymlink(const boost::filesystem::path &path);
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cpputils::unique_ref<Node> LoadFileOrSymlink(const boost::filesystem::path &path);
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int openFile(const File &file, int flags);
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#ifdef FSPP_PROFILE
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std::atomic<uint64_t> _loadFileNanosec;
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std::atomic<uint64_t> _loadDirNanosec;
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std::atomic<uint64_t> _loadSymlinkNanosec;
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std::atomic<uint64_t> _loadFileOrSymlinkNanosec;
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std::atomic<uint64_t> _openFileNanosec;
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std::atomic<uint64_t> _flushNanosec;
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std::atomic<uint64_t> _closeFileNanosec;
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std::atomic<uint64_t> _lstatNanosec;
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std::atomic<uint64_t> _fstatNanosec;
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std::atomic<uint64_t> _chmodNanosec;
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std::atomic<uint64_t> _chownNanosec;
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std::atomic<uint64_t> _truncateNanosec;
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std::atomic<uint64_t> _ftruncateNanosec;
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std::atomic<uint64_t> _readNanosec;
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std::atomic<uint64_t> _writeNanosec;
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std::atomic<uint64_t> _fsyncNanosec;
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std::atomic<uint64_t> _fdatasyncNanosec;
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std::atomic<uint64_t> _accessNanosec;
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std::atomic<uint64_t> _createAndOpenFileNanosec;
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std::atomic<uint64_t> _createAndOpenFileNanosec_withoutLoading;
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std::atomic<uint64_t> _mkdirNanosec;
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std::atomic<uint64_t> _mkdirNanosec_withoutLoading;
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std::atomic<uint64_t> _rmdirNanosec;
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std::atomic<uint64_t> _rmdirNanosec_withoutLoading;
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std::atomic<uint64_t> _unlinkNanosec;
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std::atomic<uint64_t> _unlinkNanosec_withoutLoading;
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std::atomic<uint64_t> _renameNanosec;
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std::atomic<uint64_t> _readDirNanosec;
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std::atomic<uint64_t> _readDirNanosec_withoutLoading;
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std::atomic<uint64_t> _utimensNanosec;
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std::atomic<uint64_t> _statfsNanosec;
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std::atomic<uint64_t> _createSymlinkNanosec;
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std::atomic<uint64_t> _createSymlinkNanosec_withoutLoading;
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std::atomic<uint64_t> _readSymlinkNanosec;
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std::atomic<uint64_t> _readSymlinkNanosec_withoutLoading;
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#endif
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Device *_device;
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FuseOpenFileList _open_files;
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DISALLOW_COPY_AND_ASSIGN(FilesystemImpl);
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};
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}
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#endif
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