libcryfs/src/fspp/fuse/Fuse.h

84 lines
3.7 KiB
C++

#pragma once
#ifndef MESSMER_FSPP_FUSE_FUSE_H_
#define MESSMER_FSPP_FUSE_FUSE_H_
#include "params.h"
#include <cstdio>
#include <string>
#include <vector>
#include <sys/stat.h>
#include <boost/filesystem.hpp>
#include <boost/optional.hpp>
#include <cpp-utils/macros.h>
#include <atomic>
#include "stat_compatibility.h"
namespace fspp {
class Device;
namespace fuse {
class Filesystem;
class Fuse final {
public:
explicit Fuse(Filesystem *fs, std::string fstype, boost::optional<std::string> fsname);
~Fuse();
void run(const boost::filesystem::path &mountdir, const std::vector<std::string> &fuseOptions);
bool running() const;
void stop();
int getattr(const boost::filesystem::path &path, fspp::fuse::STAT *stbuf);
int fgetattr(const boost::filesystem::path &path, fspp::fuse::STAT *stbuf, fuse_file_info *fileinfo);
int readlink(const boost::filesystem::path &path, char *buf, size_t size);
int mknod(const boost::filesystem::path &path, ::mode_t mode, dev_t rdev);
int mkdir(const boost::filesystem::path &path, ::mode_t mode);
int unlink(const boost::filesystem::path &path);
int rmdir(const boost::filesystem::path &path);
int symlink(const boost::filesystem::path &from, const boost::filesystem::path &to);
int rename(const boost::filesystem::path &from, const boost::filesystem::path &to);
int link(const boost::filesystem::path &from, const boost::filesystem::path &to);
int chmod(const boost::filesystem::path &path, ::mode_t mode);
int chown(const boost::filesystem::path &path, ::uid_t uid, ::gid_t gid);
int truncate(const boost::filesystem::path &path, int64_t size);
int ftruncate(const boost::filesystem::path &path, int64_t size, fuse_file_info *fileinfo);
int utimens(const boost::filesystem::path &path, const timespec times[2]);
int open(const boost::filesystem::path &path, fuse_file_info *fileinfo);
int release(const boost::filesystem::path &path, fuse_file_info *fileinfo);
int read(const boost::filesystem::path &path, char *buf, size_t size, int64_t offset, fuse_file_info *fileinfo);
int write(const boost::filesystem::path &path, const char *buf, size_t size, int64_t offset, fuse_file_info *fileinfo);
int statfs(const boost::filesystem::path &path, struct ::statvfs *fsstat);
int flush(const boost::filesystem::path &path, fuse_file_info *fileinfo);
int fsync(const boost::filesystem::path &path, int flags, fuse_file_info *fileinfo);
int opendir(const boost::filesystem::path &path, fuse_file_info *fileinfo);
int readdir(const boost::filesystem::path &path, void *buf, fuse_fill_dir_t filler, int64_t offset, fuse_file_info *fileinfo);
int releasedir(const boost::filesystem::path &path, fuse_file_info *fileinfo);
int fsyncdir(const boost::filesystem::path &path, int datasync, fuse_file_info *fileinfo);
void init(fuse_conn_info *conn);
void destroy();
int access(const boost::filesystem::path &path, int mask);
int create(const boost::filesystem::path &path, ::mode_t mode, fuse_file_info *fileinfo);
private:
static void _logException(const std::exception &e);
static void _logUnknownException();
static char *_create_c_string(const std::string &str);
static bool _has_option(const std::vector<char *> &vec, const std::string &key);
static bool _has_entry_with_prefix(const std::string &prefix, const std::vector<char *> &vec);
std::vector<char *> _build_argv(const boost::filesystem::path &mountdir, const std::vector<std::string> &fuseOptions);
void _add_fuse_option_if_not_exists(std::vector<char *> *argv, const std::string &key, const std::string &value);
Filesystem *_fs;
boost::filesystem::path _mountdir;
std::vector<char*> _argv;
std::atomic<bool> _running;
std::string _fstype;
boost::optional<std::string> _fsname;
DISALLOW_COPY_AND_ASSIGN(Fuse);
};
}
}
#endif