diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/fuse_common.h | 49 | ||||
| -rw-r--r-- | include/fuse_lowlevel.h | 101 |
2 files changed, 150 insertions, 0 deletions
diff --git a/include/fuse_common.h b/include/fuse_common.h new file mode 100644 index 0000000..cd19435 --- /dev/null +++ b/include/fuse_common.h @@ -0,0 +1,49 @@ +/* + FUSE: Filesystem in Userspace + Copyright (C) 2001-2005 Miklos Szeredi <miklos@szeredi.hu> + + This program can be distributed under the terms of the GNU LGPL. + See the file COPYING.LIB. +*/ + +#if !defined(_FUSE_H_) && !defined(_FUSE_LOWLEVEL_H_) +#error "Never include <fuse_common.h> directly; use <fuse.h> or <fuse_lowlevel.h instead." +#endif + +/** Information about open files */ +struct fuse_file_info { + /** Open flags. Available in open() and release() */ + int flags; + + /** File handle. May be filled in by filesystem in open(). + Available in all other file operations */ + unsigned long fh; + + /** In case of a write operation indicates if this was caused by a + writepage */ + int writepage; +}; + +/** Extra context that may be needed by some filesystems + * + * The uid, gid and pid fields are not filled in case of a writepage + * operation. + */ +struct fuse_context { + /** Pointer to the fuse object */ + struct fuse *fuse; + + /** User ID of the calling process */ + uid_t uid; + + /** Group ID of the calling process */ + gid_t gid; + + /** Thread ID of the calling process */ + pid_t pid; + + /** Private filesystem data */ + void *private_data; +}; + + diff --git a/include/fuse_lowlevel.h b/include/fuse_lowlevel.h new file mode 100644 index 0000000..e90cb84 --- /dev/null +++ b/include/fuse_lowlevel.h @@ -0,0 +1,101 @@ +/* + FUSE: Filesystem in Userspace + Copyright (C) 2001-2005 Miklos Szeredi <miklos@szeredi.hu> + + This program can be distributed under the terms of the GNU LGPL. + See the file COPYING.LIB. +*/ + +/* ----------------------------------------------------------- * + * Low level API * + * ----------------------------------------------------------- */ + +typedef unsigned long fuse_ino_t; +typedef struct fuse_req *fuse_req_t; + +/* 'to_set' flags in setattr */ +#define FUSE_SET_ATTR_MODE (1 << 0) +#define FUSE_SET_ATTR_UID (1 << 1) +#define FUSE_SET_ATTR_GID (1 << 2) +#define FUSE_SET_ATTR_SIZE (1 << 3) +#define FUSE_SET_ATTR_ATIME (1 << 4) +#define FUSE_SET_ATTR_MTIME (1 << 5) +#define FUSE_SET_ATTR_CTIME (1 << 6) + +struct fuse_lowlevel_operations { + void (*lookup) (fuse_req_t req, fuse_ino_t parent, const char *name); + void (*forget) (fuse_req_t req, fuse_ino_t ino); + void (*getattr) (fuse_req_t req, fuse_ino_t ino); + void (*readlink)(fuse_req_t req, fuse_ino_t ino); + void (*mknod) (fuse_req_t req, fuse_ino_t parent, const char *name, + mode_t mode, dev_t rdev); + void (*mkdir) (fuse_req_t req, fuse_ino_t parent, const char *name, + mode_t mode); + void (*unlink) (fuse_req_t req, fuse_ino_t parent, const char *name); + void (*rmdir) (fuse_req_t req, fuse_ino_t parent, const char *name); + void (*symlink) (fuse_req_t req, const char *link, fuse_ino_t parent, + const char *name); + void (*rename) (fuse_req_t req, fuse_ino_t parent, const char *name, + fuse_ino_t newparent, const char *newname); + void (*link) (fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, + const char *newname); + void (*setattr) (fuse_req_t req, fuse_ino_t ino, struct stat *attr, + int to_set); + void (*open) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f); + void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, + struct fuse_file_info *f); + void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, + size_t size, off_t off, struct fuse_file_info *f); + void (*flush) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f); + void (*release) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f); + void (*fsync) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f); + void (*opendir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f); + void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, + struct fuse_file_info *f); + void (*releasedir) (fuse_req_t req, fuse_ino_t ino, + struct fuse_file_info *f); + void (*fsyncdir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f); + void (*statfs) (fuse_req_t req, fuse_ino_t ino); + void (*setxattr)(fuse_req_t req, fuse_ino_t ino, const char *name, + const char *value, size_t size, int flags); + void (*getxattr)(fuse_req_t req, fuse_ino_t ino, const char *name, + size_t size); + void (*listxattr)(fuse_req_t req, fuse_ino_t ino, size_t size); + void (*removexattr)(fuse_req_t req, fuse_ino_t ino, const char *name); +}; + +/* all except release and forget */ +int fuse_reply_err(fuse_req_t req, int err); + +/* forget, unlink, rmdir, rename, setxattr, removexattr, release, releasedir */ +int fuse_reply_ok(fuse_req_t req); + +/* lookup, mknod, mkdir, symlink, link */ +int fuse_reply_entry(fuse_req_t req, fuse_ino_t ino, unsigned long generation, + const struct stat *attr, double attr_timeout, + double entry_timeout); + +/* getattr, setattr */ +int fuse_reply_attr(fuse_req_t req, int struct stat *attr, double attr_timeout); +/* readlink */ +int fuse_reply_readlink(fuse_req_t req, const char *link); + +/* open, write, flush, fsync, opendir, fsyncdir */ +int fuse_reply_file_info(fuse_req_t req, const struct fuse_file_info *f); + +/* read, readdir */ +int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size, + const struct fuse_file_info *f); + +/* statfs */ +int fuse_reply_statfs(fuse_req_t req, const struct statfs *statfs); + +/* getxattr, listxattr */ +int fuse_reply_xattr(fuse_req_t req, const char *buf, size_t size); + +/* return the size of a directory entry */ +size_t fuse_dirent_size(size_t namelen); + +/* add a directory entry to the buffer */ +int fuse_add_dirent(char *buf, const char *name, const struct stat *stat, + off_t off); |