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include/drives/fuse/remotefuse/remote_fuse_drive.hpp
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257
include/drives/fuse/remotefuse/remote_fuse_drive.hpp
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/*
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Copyright <2018-2022> <scott.e.graves@protonmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
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associated documentation files (the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge, publish, distribute,
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sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or
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substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
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OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef INCLUDE_DRIVES_FUSE_REMOTEFUSE_REMOTE_FUSE_DRIVE_HPP_
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#define INCLUDE_DRIVES_FUSE_REMOTEFUSE_REMOTE_FUSE_DRIVE_HPP_
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#ifndef _WIN32
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#include "common.hpp"
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#include "drives/fuse/remotefuse/i_remote_instance.hpp"
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#include "events/event_system.hpp"
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namespace repertory {
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class app_config;
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class console_consumer;
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class logging_consumer;
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class lock_data;
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class server;
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namespace remote_fuse {
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class remote_fuse_drive final {
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E_CONSUMER();
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public:
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remote_fuse_drive(app_config &config, lock_data &lock, remote_instance_factory factory);
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~remote_fuse_drive() { E_CONSUMER_RELEASE(); }
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private:
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app_config &config_;
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lock_data &lock_;
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remote_instance_factory factory_;
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std::string mount_location_;
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private:
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static void shutdown(std::string mount_location);
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private:
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class remote_fuse_impl final {
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public:
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static app_config *config_;
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static lock_data *lock_;
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static std::string *mount_location_;
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static remote_instance_factory *factory_;
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static std::unique_ptr<console_consumer> console_consumer_;
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static std::unique_ptr<logging_consumer> logging_consumer_;
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static std::unique_ptr<i_remote_instance> remote_instance_;
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static std::unique_ptr<server> server_;
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static std::optional<gid_t> forced_gid_;
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static std::optional<uid_t> forced_uid_;
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static std::optional<mode_t> forced_umask_;
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static bool console_enabled_;
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static bool was_mounted_;
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public:
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static void tear_down(const int &ret);
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private:
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static void populate_stat(const remote::stat &r, const bool &directory, struct stat &st);
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public:
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static int repertory_access(const char *path, int mask);
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#ifdef __APPLE__
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static int repertory_chflags(const char *path, uint32_t flags);
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#endif
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static int repertory_chmod(const char *path, mode_t mode);
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static int repertory_chown(const char *path, uid_t uid, gid_t gid);
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static int repertory_create(const char *path, mode_t mode, struct fuse_file_info *fi);
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static void repertory_destroy(void * /*ptr*/);
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/*static int repertory_fallocate(const char *path, int mode, off_t offset, off_t length,
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struct fuse_file_info *fi) ;*/
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static int repertory_fgetattr(const char *path, struct stat *st, struct fuse_file_info *fi);
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#ifdef __APPLE__
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static int repertory_fsetattr_x(const char *path, struct setattr_x *attr,
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struct fuse_file_info *fi);
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#endif
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static int repertory_fsync(const char *path, int datasync, struct fuse_file_info *fi);
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static int repertory_ftruncate(const char *path, off_t size, struct fuse_file_info *fi);
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static int repertory_getattr(const char *path, struct stat *st);
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#ifdef __APPLE__
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static int repertory_getxtimes(const char *path, struct timespec *bkuptime,
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struct timespec *crtime);
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#endif
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static void *repertory_init(struct fuse_conn_info *conn);
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static int repertory_mkdir(const char *path, mode_t mode);
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static int repertory_open(const char *path, struct fuse_file_info *fi);
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static int repertory_opendir(const char *path, struct fuse_file_info *fi);
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static int repertory_read(const char *path, char *buffer, size_t readSize, off_t readOffset,
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struct fuse_file_info *fi);
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static int repertory_readdir(const char *path, void *buf, fuse_fill_dir_t fuseFillDir,
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off_t offset, struct fuse_file_info *fi);
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static int repertory_release(const char *path, struct fuse_file_info *fi);
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static int repertory_releasedir(const char *path, struct fuse_file_info *fi);
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static int repertory_rename(const char *from, const char *to);
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static int repertory_rmdir(const char *path);
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/*
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#ifdef HAS_SETXATTR
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#ifdef __APPLE__
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static int repertory_getxattr(const char *path, const char *name, char *value, size_t size,
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uint32_t position) ;
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#else
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static int repertory_getxattr(const char *path, const char *name, char *value, size_t size) ;
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#endif
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static int repertory_listxattr(const char *path, char *buffer, size_t size) ;
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static int repertory_removexattr(const char *path, const char *name) ;
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#ifdef __APPLE__
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static int repertory_setxattr(const char *path, const char *name, const char *value,
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size_t size, int flags, uint32_t position) ;
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#else
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static int repertory_setxattr(const char *path, const char *name, const char *value,
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size_t size, int flags) ;
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#endif
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#endif
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*/
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#ifdef __APPLE__
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static int repertory_setattr_x(const char *path, struct setattr_x *attr);
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static int repertory_setbkuptime(const char *path, const struct timespec *bkuptime);
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static int repertory_setchgtime(const char *path, const struct timespec *chgtime);
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static int repertory_setcrtime(const char *path, const struct timespec *crtime);
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static int repertory_setvolname(const char *volname);
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static int repertory_statfs_x(const char *path, struct statfs *stbuf);
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#else
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static int repertory_statfs(const char *path, struct statvfs *stbuf);
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#endif
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static int repertory_truncate(const char *path, off_t size);
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static int repertory_unlink(const char *path);
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static int repertory_utimens(const char *path, const struct timespec tv[2]);
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static int repertory_write(const char *path, const char *buffer, size_t writeSize,
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off_t writeOffset, struct fuse_file_info *fi);
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};
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private:
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// clang-format off
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struct fuse_operations fuse_ops_ {
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.getattr = remote_fuse_impl::repertory_getattr,
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.readlink = nullptr, // int (*readlink) (const char *, char *, size_t);
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.getdir = nullptr, // int (*getdir) (const char *, fuse_dirh_t, fuse_dirfil_t);
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.mknod = nullptr, // int (*mknod) (const char *, mode_t, dev_t);
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.mkdir = remote_fuse_impl::repertory_mkdir,
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.unlink = remote_fuse_impl::repertory_unlink,
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.rmdir = remote_fuse_impl::repertory_rmdir,
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.symlink = nullptr, // int (*symlink) (const char *, const char *);
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.rename = remote_fuse_impl::repertory_rename,
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.link = nullptr, // int (*link) (const char *, const char *);
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.chmod = remote_fuse_impl::repertory_chmod,
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.chown = remote_fuse_impl::repertory_chown,
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.truncate = remote_fuse_impl::repertory_truncate,
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.utime = nullptr, // int (*utime) (const char *, struct utimbuf *);
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.open = remote_fuse_impl::repertory_open,
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.read = remote_fuse_impl::repertory_read,
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.write = remote_fuse_impl::repertory_write,
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#ifdef __APPLE__
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.statfs = nullptr,
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#else
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.statfs = remote_fuse_impl::repertory_statfs,
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#endif
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.flush = nullptr, // int (*flush) (const char *, struct fuse_file_info *);
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.release = remote_fuse_impl::repertory_release,
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.fsync = remote_fuse_impl::repertory_fsync,
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#if HAS_SETXATTR
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.setxattr = nullptr, // remote_fuse_impl::repertory_setxattr,
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.getxattr = nullptr, // remote_fuse_impl::repertory_getxattr,
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.listxattr = nullptr, // remote_fuse_impl::repertory_listxattr,
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.removexattr = nullptr, // remote_fuse_impl::repertory_removexattr,
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#else
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.setxattr = nullptr,
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.getxattr = nullptr,
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.listxattr = nullptr,
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.removexattr = nullptr,
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#endif
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.opendir = remote_fuse_impl::repertory_opendir,
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.readdir = remote_fuse_impl::repertory_readdir,
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.releasedir = remote_fuse_impl::repertory_releasedir,
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.fsyncdir = nullptr, // int (*fsyncdir) (const char *, int, struct fuse_file_info *);
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.init = remote_fuse_impl::repertory_init,
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.destroy = remote_fuse_impl::repertory_destroy,
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.access = remote_fuse_impl::repertory_access,
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.create = remote_fuse_impl::repertory_create,
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.ftruncate = remote_fuse_impl::repertory_ftruncate,
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.fgetattr = remote_fuse_impl::repertory_fgetattr,
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.lock = nullptr, // int (*lock) (const char *, struct fuse_file_info *, int cmd, struct flock *);
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.utimens = remote_fuse_impl::repertory_utimens,
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.bmap = nullptr, // int (*bmap) (const char *, size_t blocksize, uint64_t *idx);
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.flag_nullpath_ok = 0,
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.flag_nopath = 0,
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.flag_utime_omit_ok = 1,
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.flag_reserved = 0,
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.ioctl = nullptr, // int (*ioctl) (const char *, int cmd, void *arg, struct fuse_file_info *, unsigned int flags, void *data);
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.poll = nullptr, // int (*poll) (const char *, struct fuse_file_info *, struct fuse_pollhandle *ph, unsigned *reventsp);
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.write_buf = nullptr, // int (*write_buf) (const char *, struct fuse_bufvec *buf, off_t off, struct fuse_file_info *);
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.read_buf = nullptr, // int (*read_buf) (const char *, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *);
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.flock = nullptr, // int (*flock) (const char *, struct fuse_file_info *, int op);
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.fallocate = nullptr // remote_fuse_impl::repertory_fallocate,
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};
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// clang-format on
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public:
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int mount(std::vector<std::string> drive_args);
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static void display_options(int argc, char *argv[]);
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static void display_version_information(int argc, char *argv[]);
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};
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} // namespace remote_fuse
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} // namespace repertory
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#endif // _WIN32
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#endif // INCLUDE_DRIVES_FUSE_REMOTEFUSE_REMOTE_FUSE_DRIVE_HPP_
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