+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * convert RGW commands to file commands
- *
- * Copyright (C) 2015 Red Hat, Inc.
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-#ifndef RADOS_RGW_FILE_H
-#define RADOS_RGW_FILE_H
-
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <stdint.h>
-#include <stdbool.h>
-
-#include "librgw.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define LIBRGW_FILE_VER_MAJOR 1
-#define LIBRGW_FILE_VER_MINOR 1
-#define LIBRGW_FILE_VER_EXTRA 6
-
-#define LIBRGW_FILE_VERSION(maj, min, extra) ((maj << 16) + (min << 8) + extra)
-#define LIBRGW_FILE_VERSION_CODE LIBRGW_FILE_VERSION(LIBRGW_FILE_VER_MAJOR, LIBRGW_FILE_VER_MINOR, LIBRGW_FILE_VER_EXTRA)
-
-/*
- * object types
- */
-enum rgw_fh_type {
- RGW_FS_TYPE_NIL = 0,
- RGW_FS_TYPE_FILE,
- RGW_FS_TYPE_DIRECTORY,
-};
-
-/*
- * dynamic allocated handle to support nfs handle
- */
-
-/* content-addressable hash */
-struct rgw_fh_hk {
- uint64_t bucket;
- uint64_t object;
-};
-
-struct rgw_file_handle
-{
- /* content-addressable hash */
- struct rgw_fh_hk fh_hk;
- void *fh_private; /* librgw private data */
- /* object type */
- enum rgw_fh_type fh_type;
-};
-
-struct rgw_fs
-{
- librgw_t rgw;
- void *fs_private;
- struct rgw_file_handle* root_fh;
-};
-
-
-/* XXX mount info hypothetical--emulate Unix, support at least
- * UUID-length fsid */
-struct rgw_statvfs {
- uint64_t f_bsize; /* file system block size */
- uint64_t f_frsize; /* fragment size */
- uint64_t f_blocks; /* size of fs in f_frsize units */
- uint64_t f_bfree; /* # free blocks */
- uint64_t f_bavail; /* # free blocks for unprivileged users */
- uint64_t f_files; /* # inodes */
- uint64_t f_ffree; /* # free inodes */
- uint64_t f_favail; /* # free inodes for unprivileged users */
- uint64_t f_fsid[2]; /* file system ID */
- uint64_t f_flag; /* mount flags */
- uint64_t f_namemax; /* maximum filename length */
-};
-
-
-void rgwfile_version(int *major, int *minor, int *extra);
-
-/*
- lookup object by name (POSIX style)
-*/
-#define RGW_LOOKUP_FLAG_NONE 0x0000
-#define RGW_LOOKUP_FLAG_CREATE 0x0001
-#define RGW_LOOKUP_FLAG_RCB 0x0002 /* readdir callback hint */
-#define RGW_LOOKUP_FLAG_DIR 0x0004
-#define RGW_LOOKUP_FLAG_FILE 0x0008
-
-#define RGW_LOOKUP_TYPE_FLAGS \
- (RGW_LOOKUP_FLAG_DIR|RGW_LOOKUP_FLAG_FILE)
-
-int rgw_lookup(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh, const char *path,
- struct rgw_file_handle **fh, uint32_t flags);
-
-/*
- lookup object by handle (NFS style)
-*/
-int rgw_lookup_handle(struct rgw_fs *rgw_fs, struct rgw_fh_hk *fh_hk,
- struct rgw_file_handle **fh, uint32_t flags);
-
-/*
- * release file handle
- */
-#define RGW_FH_RELE_FLAG_NONE 0x0000
-
-int rgw_fh_rele(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh,
- uint32_t flags);
-
-/*
- attach rgw namespace
-*/
-#define RGW_MOUNT_FLAG_NONE 0x0000
-
-int rgw_mount(librgw_t rgw, const char *uid, const char *key,
- const char *secret, struct rgw_fs **rgw_fs,
- uint32_t flags);
-
-int rgw_mount2(librgw_t rgw, const char *uid, const char *key,
- const char *secret, const char *root, struct rgw_fs **rgw_fs,
- uint32_t flags);
-
-/*
- register invalidate callbacks
-*/
-#define RGW_REG_INVALIDATE_FLAG_NONE 0x0000
-
-typedef void (*rgw_fh_callback_t)(void *handle, struct rgw_fh_hk fh_hk);
-
-int rgw_register_invalidate(struct rgw_fs *rgw_fs, rgw_fh_callback_t cb,
- void *arg, uint32_t flags);
-
-/*
- detach rgw namespace
-*/
-#define RGW_UMOUNT_FLAG_NONE 0x0000
-
-int rgw_umount(struct rgw_fs *rgw_fs, uint32_t flags);
-
-
-/*
- get filesystem attributes
-*/
-#define RGW_STATFS_FLAG_NONE 0x0000
-
-int rgw_statfs(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh,
- struct rgw_statvfs *vfs_st,
- uint32_t flags);
-
-
-/* XXX (get|set)attr mask bits */
-#define RGW_SETATTR_MODE 1
-#define RGW_SETATTR_UID 2
-#define RGW_SETATTR_GID 4
-#define RGW_SETATTR_MTIME 8
-#define RGW_SETATTR_ATIME 16
-#define RGW_SETATTR_SIZE 32
-#define RGW_SETATTR_CTIME 64
-
-/*
- create file
-*/
-#define RGW_CREATE_FLAG_NONE 0x0000
-
-int rgw_create(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh,
- const char *name, struct stat *st, uint32_t mask,
- struct rgw_file_handle **fh, uint32_t posix_flags,
- uint32_t flags);
-
-/*
- create a new directory
-*/
-#define RGW_MKDIR_FLAG_NONE 0x0000
-
-int rgw_mkdir(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh,
- const char *name, struct stat *st, uint32_t mask,
- struct rgw_file_handle **fh, uint32_t flags);
-
-/*
- rename object
-*/
-#define RGW_RENAME_FLAG_NONE 0x0000
-
-int rgw_rename(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *olddir, const char* old_name,
- struct rgw_file_handle *newdir, const char* new_name,
- uint32_t flags);
-
-/*
- remove file or directory
-*/
-#define RGW_UNLINK_FLAG_NONE 0x0000
-
-int rgw_unlink(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh, const char* path,
- uint32_t flags);
-
-/*
- read directory content
-*/
-typedef bool (*rgw_readdir_cb)(const char *name, void *arg, uint64_t offset,
- uint32_t flags);
-
-#define RGW_READDIR_FLAG_NONE 0x0000
-#define RGW_READDIR_FLAG_DOTDOT 0x0001 /* send dot names */
-
-int rgw_readdir(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh, uint64_t *offset,
- rgw_readdir_cb rcb, void *cb_arg, bool *eof,
- uint32_t flags);
-
-/* enumeration continuing from name */
-int rgw_readdir2(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh, const char *name,
- rgw_readdir_cb rcb, void *cb_arg, bool *eof,
- uint32_t flags);
-
-/* project offset of dirent name */
-#define RGW_DIRENT_OFFSET_FLAG_NONE 0x0000
-
-int rgw_dirent_offset(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *parent_fh,
- const char *name, int64_t *offset,
- uint32_t flags);
-
-/*
- get unix attributes for object
-*/
-#define RGW_GETATTR_FLAG_NONE 0x0000
-
-int rgw_getattr(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, struct stat *st,
- uint32_t flags);
-
-/*
- set unix attributes for object
-*/
-#define RGW_SETATTR_FLAG_NONE 0x0000
-
-int rgw_setattr(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, struct stat *st,
- uint32_t mask, uint32_t flags);
-
-/*
- truncate file
-*/
-#define RGW_TRUNCATE_FLAG_NONE 0x0000
-
-int rgw_truncate(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, uint64_t size,
- uint32_t flags);
-
-/*
- open file
-*/
-#define RGW_OPEN_FLAG_NONE 0x0000
-#define RGW_OPEN_FLAG_CREATE 0x0001
-#define RGW_OPEN_FLAG_V3 0x0002 /* ops have v3 semantics */
-#define RGW_OPEN_FLAG_STATELESS 0x0002 /* alias it */
-
-int rgw_open(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh,
- uint32_t posix_flags, uint32_t flags);
-
-/*
- close file
-*/
-
-#define RGW_CLOSE_FLAG_NONE 0x0000
-#define RGW_CLOSE_FLAG_RELE 0x0001
-
-int rgw_close(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh,
- uint32_t flags);
-
-/*
- read data from file
-*/
-#define RGW_READ_FLAG_NONE 0x0000
-
-int rgw_read(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, uint64_t offset,
- size_t length, size_t *bytes_read, void *buffer,
- uint32_t flags);
-
-/*
- write data to file
-*/
-#define RGW_WRITE_FLAG_NONE 0x0000
-
-int rgw_write(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, uint64_t offset,
- size_t length, size_t *bytes_written, void *buffer,
- uint32_t flags);
-
-#define RGW_UIO_NONE 0x0000
-#define RGW_UIO_GIFT 0x0001
-#define RGW_UIO_FREE 0x0002
-#define RGW_UIO_BUFQ 0x0004
-
-struct rgw_uio;
-typedef void (*rgw_uio_release)(struct rgw_uio *, uint32_t);
-
-/* buffer vector descriptors */
-struct rgw_vio {
- void *vio_p1;
- void *vio_u1;
- void *vio_base;
- int32_t vio_len;
-};
-
-struct rgw_uio {
- rgw_uio_release uio_rele;
- void *uio_p1;
- void *uio_u1;
- uint64_t uio_offset;
- uint64_t uio_resid;
- uint32_t uio_cnt;
- uint32_t uio_flags;
- struct rgw_vio *uio_vio; /* appended vectors */
-};
-
-typedef struct rgw_uio rgw_uio;
-
-int rgw_readv(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, rgw_uio *uio, uint32_t flags);
-
-int rgw_writev(struct rgw_fs *rgw_fs,
- struct rgw_file_handle *fh, rgw_uio *uio, uint32_t flags);
-
-/*
- sync written data
-*/
-#define RGW_FSYNC_FLAG_NONE 0x0000
-
-int rgw_fsync(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh,
- uint32_t flags);
-
-/*
- NFS commit operation
-*/
-
-#define RGW_COMMIT_FLAG_NONE 0x0000
-
-int rgw_commit(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh,
- uint64_t offset, uint64_t length, uint32_t flags);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* RADOS_RGW_FILE_H */
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