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|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _XLATOR_H
#define _XLATOR_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include "event-history.h"
#include "logging.h"
#include "common-utils.h"
#include "dict.h"
#include "compat.h"
#include "list.h"
#include "latency.h"
#define FIRST_CHILD(xl) (xl->children->xlator)
#define GF_SET_ATTR_MODE 0x1
#define GF_SET_ATTR_UID 0x2
#define GF_SET_ATTR_GID 0x4
#define GF_SET_ATTR_SIZE 0x8
#define GF_SET_ATTR_ATIME 0x10
#define GF_SET_ATTR_MTIME 0x20
#define gf_attr_mode_set(mode) ((mode) & GF_SET_ATTR_MODE)
#define gf_attr_uid_set(mode) ((mode) & GF_SET_ATTR_UID)
#define gf_attr_gid_set(mode) ((mode) & GF_SET_ATTR_GID)
#define gf_attr_size_set(mode) ((mode) & GF_SET_ATTR_SIZE)
#define gf_attr_atime_set(mode) ((mode) & GF_SET_ATTR_ATIME)
#define gf_attr_mtime_set(mode) ((mode) & GF_SET_ATTR_MTIME)
struct _xlator;
typedef struct _xlator xlator_t;
struct _dir_entry_t;
typedef struct _dir_entry_t dir_entry_t;
struct _gf_dirent_t;
typedef struct _gf_dirent_t gf_dirent_t;
struct _loc;
typedef struct _loc loc_t;
typedef int32_t (*event_notify_fn_t) (xlator_t *this, int32_t event, void *data,
...);
#include "list.h"
#include "gf-dirent.h"
#include "stack.h"
#include "iobuf.h"
#include "inode.h"
#include "fd.h"
#include "globals.h"
#include "iatt.h"
#include "options.h"
struct _loc {
const char *path;
const char *name;
inode_t *inode;
inode_t *parent;
/* Currently all location based operations are through 'gfid' of inode.
* But the 'inode->gfid' only gets set in higher most layer (as in,
* 'fuse', 'protocol/server', or 'nfs/server'). So if translators want
* to send fops on a inode before the 'inode->gfid' is set, they have to
* make use of below 'gfid' fields
*/
uuid_t gfid;
uuid_t pargfid;
};
typedef int32_t (*fop_getspec_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
char *spec_data);
typedef int32_t (*fop_rchecksum_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
uint32_t weak_checksum,
uint8_t *strong_checksum,
dict_t *xdata);
typedef int32_t (*fop_getspec_t) (call_frame_t *frame,
xlator_t *this,
const char *key,
int32_t flag);
typedef int32_t (*fop_rchecksum_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, off_t offset,
int32_t len, dict_t *xdata);
typedef int32_t (*fop_lookup_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
dict_t *xdata,
struct iatt *postparent);
typedef int32_t (*fop_stat_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf, dict_t *xdata);
typedef int32_t (*fop_fstat_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf, dict_t *xdata);
typedef int32_t (*fop_truncate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_ftruncate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_access_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_readlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
const char *path,
struct iatt *buf, dict_t *xdata);
typedef int32_t (*fop_mknod_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_mkdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_unlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_rmdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_symlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_rename_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf,
struct iatt *preoldparent,
struct iatt *postoldparent,
struct iatt *prenewparent,
struct iatt *postnewparent, dict_t *xdata);
typedef int32_t (*fop_link_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_create_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_open_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_readv_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iovec *vector,
int32_t count,
struct iatt *stbuf,
struct iobref *iobref, dict_t *xdata);
typedef int32_t (*fop_writev_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_flush_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fsync_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_opendir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_fsyncdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_statfs_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct statvfs *buf, dict_t *xdata);
typedef int32_t (*fop_setxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_getxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *dict, dict_t *xdata);
typedef int32_t (*fop_fsetxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fgetxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *dict, dict_t *xdata);
typedef int32_t (*fop_removexattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fremovexattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_lk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_inodelk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_finodelk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_entrylk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fentrylk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_readdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
gf_dirent_t *entries, dict_t *xdata);
typedef int32_t (*fop_readdirp_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
gf_dirent_t *entries, dict_t *xdata);
typedef int32_t (*fop_xattrop_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_fxattrop_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_setattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_fsetattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_fallocate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_lookup_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
dict_t *xdata);
typedef int32_t (*fop_stat_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc, dict_t *xdata);
typedef int32_t (*fop_fstat_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_truncate_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
off_t offset, dict_t *xdata);
typedef int32_t (*fop_ftruncate_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
off_t offset, dict_t *xdata);
typedef int32_t (*fop_access_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
int32_t mask, dict_t *xdata);
typedef int32_t (*fop_readlink_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
size_t size, dict_t *xdata);
typedef int32_t (*fop_mknod_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, mode_t mode, dev_t rdev,
mode_t umask, dict_t *xdata);
typedef int32_t (*fop_mkdir_t) (call_frame_t *frame, xlator_t *this, loc_t *loc,
mode_t mode, mode_t umask, dict_t *xdata);
typedef int32_t (*fop_unlink_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int xflags, dict_t *xdata);
typedef int32_t (*fop_rmdir_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int xflags, dict_t *xdata);
typedef int32_t (*fop_symlink_t) (call_frame_t *frame, xlator_t *this,
const char *linkname, loc_t *loc,
mode_t umask, dict_t *xdata);
typedef int32_t (*fop_rename_t) (call_frame_t *frame,
xlator_t *this,
loc_t *oldloc,
loc_t *newloc, dict_t *xdata);
typedef int32_t (*fop_link_t) (call_frame_t *frame,
xlator_t *this,
loc_t *oldloc,
loc_t *newloc, dict_t *xdata);
typedef int32_t (*fop_create_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int32_t flags, mode_t mode,
mode_t umask, fd_t *fd, dict_t *xdata);
/* Tell subsequent writes on the fd_t to fsync after every writev fop without
* requiring a fsync fop.
*/
#define GF_OPEN_FSYNC 0x01
/* Tell write-behind to disable writing behind despite O_SYNC not being set.
*/
#define GF_OPEN_NOWB 0x02
typedef int32_t (*fop_open_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int32_t flags,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_readv_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset,
uint32_t flags, dict_t *xdata);
typedef int32_t (*fop_writev_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
struct iovec *vector,
int32_t count,
off_t offset,
uint32_t flags,
struct iobref *iobref, dict_t *xdata);
typedef int32_t (*fop_flush_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_fsync_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t datasync, dict_t *xdata);
typedef int32_t (*fop_opendir_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_fsyncdir_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t datasync, dict_t *xdata);
typedef int32_t (*fop_statfs_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc, dict_t *xdata);
typedef int32_t (*fop_setxattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
dict_t *dict,
int32_t flags, dict_t *xdata);
typedef int32_t (*fop_getxattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
const char *name, dict_t *xdata);
typedef int32_t (*fop_fsetxattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
dict_t *dict,
int32_t flags, dict_t *xdata);
typedef int32_t (*fop_fgetxattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
const char *name, dict_t *xdata);
typedef int32_t (*fop_removexattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
const char *name, dict_t *xdata);
typedef int32_t (*fop_fremovexattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
const char *name, dict_t *xdata);
typedef int32_t (*fop_lk_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t cmd,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_inodelk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume,
loc_t *loc,
int32_t cmd,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_finodelk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume,
fd_t *fd,
int32_t cmd,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_entrylk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume, loc_t *loc,
const char *basename, entrylk_cmd cmd,
entrylk_type type, dict_t *xdata);
typedef int32_t (*fop_fentrylk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume, fd_t *fd,
const char *basename, entrylk_cmd cmd,
entrylk_type type, dict_t *xdata);
typedef int32_t (*fop_readdir_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset, dict_t *xdata);
typedef int32_t (*fop_readdirp_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset,
dict_t *xdata);
typedef int32_t (*fop_xattrop_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
gf_xattrop_flags_t optype,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_fxattrop_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
gf_xattrop_flags_t optype,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_setattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
struct iatt *stbuf,
int32_t valid, dict_t *xdata);
typedef int32_t (*fop_fsetattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
struct iatt *stbuf,
int32_t valid, dict_t *xdata);
typedef int32_t (*fop_fallocate_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t keep_size,
off_t offset,
size_t len,
dict_t *xdata);
struct xlator_fops {
fop_lookup_t lookup;
fop_stat_t stat;
fop_fstat_t fstat;
fop_truncate_t truncate;
fop_ftruncate_t ftruncate;
fop_access_t access;
fop_readlink_t readlink;
fop_mknod_t mknod;
fop_mkdir_t mkdir;
fop_unlink_t unlink;
fop_rmdir_t rmdir;
fop_symlink_t symlink;
fop_rename_t rename;
fop_link_t link;
fop_create_t create;
fop_open_t open;
fop_readv_t readv;
fop_writev_t writev;
fop_flush_t flush;
fop_fsync_t fsync;
fop_opendir_t opendir;
fop_readdir_t readdir;
fop_readdirp_t readdirp;
fop_fsyncdir_t fsyncdir;
fop_statfs_t statfs;
fop_setxattr_t setxattr;
fop_getxattr_t getxattr;
fop_fsetxattr_t fsetxattr;
fop_fgetxattr_t fgetxattr;
fop_removexattr_t removexattr;
fop_fremovexattr_t fremovexattr;
fop_lk_t lk;
fop_inodelk_t inodelk;
fop_finodelk_t finodelk;
fop_entrylk_t entrylk;
fop_fentrylk_t fentrylk;
fop_rchecksum_t rchecksum;
fop_xattrop_t xattrop;
fop_fxattrop_t fxattrop;
fop_setattr_t setattr;
fop_fsetattr_t fsetattr;
fop_getspec_t getspec;
fop_fallocate_t fallocate;
/* these entries are used for a typechecking hack in STACK_WIND _only_ */
fop_lookup_cbk_t lookup_cbk;
fop_stat_cbk_t stat_cbk;
fop_fstat_cbk_t fstat_cbk;
fop_truncate_cbk_t truncate_cbk;
fop_ftruncate_cbk_t ftruncate_cbk;
fop_access_cbk_t access_cbk;
fop_readlink_cbk_t readlink_cbk;
fop_mknod_cbk_t mknod_cbk;
fop_mkdir_cbk_t mkdir_cbk;
fop_unlink_cbk_t unlink_cbk;
fop_rmdir_cbk_t rmdir_cbk;
fop_symlink_cbk_t symlink_cbk;
fop_rename_cbk_t rename_cbk;
fop_link_cbk_t link_cbk;
fop_create_cbk_t create_cbk;
fop_open_cbk_t open_cbk;
fop_readv_cbk_t readv_cbk;
fop_writev_cbk_t writev_cbk;
fop_flush_cbk_t flush_cbk;
fop_fsync_cbk_t fsync_cbk;
fop_opendir_cbk_t opendir_cbk;
fop_readdir_cbk_t readdir_cbk;
fop_readdirp_cbk_t readdirp_cbk;
fop_fsyncdir_cbk_t fsyncdir_cbk;
fop_statfs_cbk_t statfs_cbk;
fop_setxattr_cbk_t setxattr_cbk;
fop_getxattr_cbk_t getxattr_cbk;
fop_fsetxattr_cbk_t fsetxattr_cbk;
fop_fgetxattr_cbk_t fgetxattr_cbk;
fop_removexattr_cbk_t removexattr_cbk;
fop_fremovexattr_cbk_t fremovexattr_cbk;
fop_lk_cbk_t lk_cbk;
fop_inodelk_cbk_t inodelk_cbk;
fop_finodelk_cbk_t finodelk_cbk;
fop_entrylk_cbk_t entrylk_cbk;
fop_fentrylk_cbk_t fentrylk_cbk;
fop_rchecksum_cbk_t rchecksum_cbk;
fop_xattrop_cbk_t xattrop_cbk;
fop_fxattrop_cbk_t fxattrop_cbk;
fop_setattr_cbk_t setattr_cbk;
fop_fsetattr_cbk_t fsetattr_cbk;
fop_getspec_cbk_t getspec_cbk;
fop_fallocate_cbk_t fallocate_cbk;
};
typedef int32_t (*cbk_forget_t) (xlator_t *this,
inode_t *inode);
typedef int32_t (*cbk_release_t) (xlator_t *this,
fd_t *fd);
typedef int32_t (*cbk_invalidate_t)(xlator_t *this, inode_t *inode);
struct xlator_cbks {
cbk_forget_t forget;
cbk_release_t release;
cbk_release_t releasedir;
cbk_invalidate_t invalidate;
};
typedef int32_t (*dumpop_priv_t) (xlator_t *this);
typedef int32_t (*dumpop_inode_t) (xlator_t *this);
typedef int32_t (*dumpop_fd_t) (xlator_t *this);
typedef int32_t (*dumpop_inodectx_t) (xlator_t *this, inode_t *ino);
typedef int32_t (*dumpop_fdctx_t) (xlator_t *this, fd_t *fd);
typedef int32_t (*dumpop_priv_to_dict_t) (xlator_t *this, dict_t *dict);
typedef int32_t (*dumpop_inode_to_dict_t) (xlator_t *this, dict_t *dict);
typedef int32_t (*dumpop_fd_to_dict_t) (xlator_t *this, dict_t *dict);
typedef int32_t (*dumpop_inodectx_to_dict_t) (xlator_t *this, inode_t *ino,
dict_t *dict);
typedef int32_t (*dumpop_fdctx_to_dict_t) (xlator_t *this, fd_t *fd,
dict_t *dict);
typedef int32_t (*dumpop_eh_t) (xlator_t *this);
struct xlator_dumpops {
dumpop_priv_t priv;
dumpop_inode_t inode;
dumpop_fd_t fd;
dumpop_inodectx_t inodectx;
dumpop_fdctx_t fdctx;
dumpop_priv_to_dict_t priv_to_dict;
dumpop_inode_to_dict_t inode_to_dict;
dumpop_fd_to_dict_t fd_to_dict;
dumpop_inodectx_to_dict_t inodectx_to_dict;
dumpop_fdctx_to_dict_t fdctx_to_dict;
dumpop_eh_t history;
};
typedef struct xlator_list {
xlator_t *xlator;
struct xlator_list *next;
} xlator_list_t;
struct _xlator {
/* Built during parsing */
char *name;
char *type;
xlator_t *next;
xlator_t *prev;
xlator_list_t *parents;
xlator_list_t *children;
dict_t *options;
/* Set after doing dlopen() */
void *dlhandle;
struct xlator_fops *fops;
struct xlator_cbks *cbks;
struct xlator_dumpops *dumpops;
struct list_head volume_options; /* list of volume_option_t */
void (*fini) (xlator_t *this);
int32_t (*init) (xlator_t *this);
int32_t (*reconfigure) (xlator_t *this, dict_t *options);
int32_t (*mem_acct_init) (xlator_t *this);
event_notify_fn_t notify;
gf_loglevel_t loglevel; /* Log level for translator */
/* for latency measurement */
fop_latency_t latencies[GF_FOP_MAXVALUE];
/* Misc */
eh_t *history; /* event history context */
glusterfs_ctx_t *ctx;
glusterfs_graph_t *graph; /* not set for fuse */
inode_table_t *itable;
char init_succeeded;
void *private;
struct mem_acct mem_acct;
uint64_t winds;
char switched;
/* for the memory pool of 'frame->local' */
struct mem_pool *local_pool;
gf_boolean_t is_autoloaded;
};
typedef struct {
int32_t (*init) (xlator_t *this);
void (*fini) (xlator_t *this);
int32_t (*reconfigure) (xlator_t *this,
dict_t *options);
event_notify_fn_t notify;
} class_methods_t;
#define xlator_has_parent(xl) (xl->parents != NULL)
#define XLATOR_NOTIFY(_xl, params ...) \
do { \
xlator_t *_old_THIS = NULL; \
\
_old_THIS = THIS; \
THIS = _xl; \
\
ret = _xl->notify (_xl, params);\
\
THIS = _old_THIS; \
} while (0);
int32_t xlator_set_type_virtual (xlator_t *xl, const char *type);
int32_t xlator_set_type (xlator_t *xl, const char *type);
int32_t xlator_dynload (xlator_t *xl);
xlator_t *file_to_xlator_tree (glusterfs_ctx_t *ctx,
FILE *fp);
int xlator_notify (xlator_t *this, int32_t event, void *data, ...);
int xlator_init (xlator_t *this);
int xlator_destroy (xlator_t *xl);
int32_t xlator_tree_init (xlator_t *xl);
int32_t xlator_tree_free (xlator_t *xl);
void xlator_tree_fini (xlator_t *xl);
void xlator_foreach (xlator_t *this,
void (*fn) (xlator_t *each,
void *data),
void *data);
void xlator_foreach_depth_first (xlator_t *this,
void (*fn) (xlator_t *each,
void *data),
void *data);
xlator_t *xlator_search_by_name (xlator_t *any, const char *name);
xlator_t *xlator_search_by_xl_type (xlator_t *any, const char *type);
void inode_destroy_notify (inode_t *inode, const char *xlname);
int loc_copy (loc_t *dst, loc_t *src);
#define loc_dup(src, dst) loc_copy(dst, src)
void loc_wipe (loc_t *loc);
int loc_path (loc_t *loc, const char *bname);
void loc_gfid (loc_t *loc, uuid_t gfid);
char* loc_gfid_utoa (loc_t *loc);
int xlator_mem_acct_init (xlator_t *xl, int num_types);
int is_gf_log_command (xlator_t *trans, const char *name, char *value);
int glusterd_check_log_level (const char *value);
int xlator_volopt_dynload (char *xlator_type, void **dl_handle,
volume_opt_list_t *vol_opt_handle);
enum gf_hdsk_event_notify_op {
GF_EN_DEFRAG_STATUS,
GF_EN_MAX,
};
#endif /* _XLATOR_H */
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