86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
#pragma once
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#ifndef MESSMER_FSPP_FUSE_FUSE_H_
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#define MESSMER_FSPP_FUSE_FUSE_H_
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#include <sys/statvfs.h>
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#include <cstdio>
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#include <string>
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#include <vector>
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#include <sys/stat.h>
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#include <boost/filesystem.hpp>
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#include <boost/optional.hpp>
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#include <cpp-utils/macros.h>
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#include <atomic>
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#include <memory>
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#include "stat_compatibility.h"
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#include <fspp/fs_interface/Context.h>
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typedef int (*fuse_fill_dir_t)(void*, const char*, fspp::fuse::STAT*);
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namespace fspp {
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class Device;
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namespace fuse {
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class Filesystem;
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class Fuse final {
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public:
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explicit Fuse(std::function<std::shared_ptr<Filesystem> ()> init, std::string fstype, boost::optional<std::string> fsname);
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~Fuse();
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bool running() const;
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void stop();
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int getattr(const boost::filesystem::path &path, fspp::fuse::STAT *stbuf);
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int fgetattr(const boost::filesystem::path &path, fspp::fuse::STAT *stbuf, uint64_t fh);
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int readlink(const boost::filesystem::path &path, char *buf, size_t size);
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int mknod(const boost::filesystem::path &path, ::mode_t mode, dev_t rdev);
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int mkdir(const boost::filesystem::path &path, ::mode_t mode);
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int unlink(const boost::filesystem::path &path);
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int rmdir(const boost::filesystem::path &path);
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int symlink(const boost::filesystem::path &from, const boost::filesystem::path &to);
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int rename(const boost::filesystem::path &from, const boost::filesystem::path &to);
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int link(const boost::filesystem::path &from, const boost::filesystem::path &to);
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int chmod(const boost::filesystem::path &path, ::mode_t mode);
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int chown(const boost::filesystem::path &path, ::uid_t uid, ::gid_t gid);
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int truncate(const boost::filesystem::path &path, int64_t size);
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int ftruncate(int64_t size, uint64_t fh);
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int utimens(const boost::filesystem::path &path, const timespec lastAccessTime, const timespec lastModificationTime);
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int open(const boost::filesystem::path &path, uint64_t* fh, int flags);
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int release(uint64_t fh);
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int read(char *buf, size_t size, int64_t offset, uint64_t fh);
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int write(const char *buf, size_t size, int64_t offset, uint64_t fh);
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int statfs(const boost::filesystem::path &path, struct ::statvfs *fsstat);
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int flush(uint64_t fh);
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int fsync(int flags, uint64_t fh);
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int readdir(const boost::filesystem::path &path, void *buf, fuse_fill_dir_t filler);
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void init();
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void destroy();
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int access(const boost::filesystem::path &path, int mask);
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int create(const boost::filesystem::path &path, ::mode_t mode, uint64_t* fh);
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private:
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static void _logException(const std::exception &e);
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static void _logUnknownException();
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static char *_create_c_string(const std::string &str);
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static void _removeAndWarnIfExists(std::vector<std::string> *fuseOptions, const std::string &option);
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static bool _has_option(const std::vector<char *> &vec, const std::string &key);
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static bool _has_entry_with_prefix(const std::string &prefix, const std::vector<char *> &vec);
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void _add_fuse_option_if_not_exists(std::vector<char *> *argv, const std::string &key, const std::string &value);
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void _createContext(const std::vector<std::string> &fuseOptions);
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std::function<std::shared_ptr<Filesystem> ()> _init;
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std::shared_ptr<Filesystem> _fs;
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std::vector<char*> _argv;
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std::atomic<bool> _running;
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std::string _fstype;
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boost::optional<std::string> _fsname;
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boost::optional<Context> _context;
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::uid_t uid;
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::gid_t gid;
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};
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}
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}
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#endif
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