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/*
Copyright (c) 2014 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 __SNAP_VIEW_H__
#define __SNAP_VIEW_H__
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "dict.h"
#include "defaults.h"
#include "mem-types.h"
#include "call-stub.h"
#include "inode.h"
#include "byte-order.h"
#include "iatt.h"
#include <ctype.h>
#include <sys/uio.h>
#include "glusterfs.h"
#include "xlator.h"
#include "logging.h"
#include "glfs.h"
#include "common-utils.h"
#include "glfs-handles.h"
#include "glfs-internal.h"
#include "glusterfs3-xdr.h"
#include "glusterfs-acl.h"
#include "syncop.h"
#include "list.h"
#include "timer.h"
#include "rpc-clnt.h"
#include "protocol-common.h"
#define DEFAULT_SVD_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs"
#define SNAP_VIEW_MAX_GLFS_T 256
#define SNAP_VIEW_MAX_GLFS_FDS 1024
#define SNAP_VIEW_MAX_GLFS_OBJ_HANDLES 1024
#define SVS_STACK_DESTROY(_frame) \
do { \
((call_frame_t *)_frame)->local = NULL; \
STACK_DESTROY (((call_frame_t *)_frame)->root); \
} while (0)
int
svs_mgmt_submit_request (void *req, call_frame_t *frame,
glusterfs_ctx_t *ctx,
rpc_clnt_prog_t *prog, int procnum,
fop_cbk_fn_t cbkfn, xdrproc_t xdrproc);
int
svs_get_snapshot_list (xlator_t *this);
int
mgmt_get_snapinfo_cbk (struct rpc_req *req, struct iovec *iov,
int count, void *myframe);
char *clnt_handshake_procs[GF_HNDSK_MAXVALUE] = {
[GF_HNDSK_NULL] = "NULL",
[GF_HNDSK_SETVOLUME] = "SETVOLUME",
[GF_HNDSK_GETSPEC] = "GETSPEC",
[GF_HNDSK_PING] = "PING",
[GF_HNDSK_EVENT_NOTIFY] = "EVENTNOTIFY",
};
rpc_clnt_prog_t svs_clnt_handshake_prog = {
.progname = "GlusterFS Handshake",
.prognum = GLUSTER_HNDSK_PROGRAM,
.progver = GLUSTER_HNDSK_VERSION,
.procnames = clnt_handshake_procs,
};
typedef enum {
SNAP_VIEW_ENTRY_POINT_INODE = 0,
SNAP_VIEW_VIRTUAL_INODE
} inode_type_t;
struct svs_inode {
glfs_t *fs;
glfs_object_t *object;
inode_type_t type;
/* used only for entry point directory where gfid of the directory
from where the entry point was entered is saved.
*/
uuid_t pargfid;
struct iatt buf;
};
typedef struct svs_inode svs_inode_t;
struct svs_fd {
glfs_fd_t *fd;
};
typedef struct svs_fd svs_fd_t;
struct snap_dirent {
char name[NAME_MAX];
char uuid[UUID_CANONICAL_FORM_LEN + 1];
char snap_volname[NAME_MAX];
glfs_t *fs;
};
typedef struct snap_dirent snap_dirent_t;
struct svs_private {
snap_dirent_t *dirents;
int num_snaps;
char *volname;
struct list_head snaplist;
pthread_mutex_t snaplist_lock;
uint32_t is_snaplist_done;
gf_timer_t *snap_timer;
pthread_attr_t thr_attr;
};
typedef struct svs_private svs_private_t;
glfs_t *
svs_intialise_snapshot_volume (xlator_t *this, const char *name);
snap_dirent_t *
svs_get_snap_dirent (xlator_t *this, const char *name);
#endif /* __SNAP_VIEW_H__ */
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