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/*
Copyright (c) 2006-2012 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 __TRASH_H__
#define __TRASH_H__
#include "glusterfs.h"
#include "logging.h"
#include "dict.h"
#include "xlator.h"
#include "defaults.h"
#include "inode.c"
#include "fnmatch.h"
#include <libgen.h>
#ifndef GF_BLOCK_READV_SIZE
#define GF_BLOCK_READV_SIZE (128 * GF_UNIT_KB)
#endif
#ifndef GF_DEFAULT_MAX_FILE_SIZE
#define GF_DEFAULT_MAX_FILE_SIZE (200 * GF_UNIT_MB)
#endif
struct trash_struct {
fd_t *fd; /* for the fd of existing file */
fd_t *newfd; /* for the newly created file */
loc_t loc; /* to store the location of the existing file */
loc_t newloc; /* to store the location for the new file */
size_t fsize; /* for keeping the size of existing file */
off_t cur_offset; /* current offset for read and write ops */
off_t fop_offset; /* original offset received with the fop */
pid_t pid;
char origpath[PATH_MAX];
char newpath[PATH_MAX];
int32_t loop_count;
gf_boolean_t is_set_pid;
struct iatt preparent;
struct iatt postparent;
gf_boolean_t ctr_link_count_req;
};
typedef struct trash_struct trash_local_t;
struct _trash_elim_path {
struct _trash_elim_path *next;
char *path;
};
typedef struct _trash_elim_path trash_elim_path;
struct trash_priv {
char *oldtrash_dir;
char *newtrash_dir;
char *brick_path;
trash_elim_path *eliminate;
size_t max_trash_file_size;
gf_boolean_t state;
gf_boolean_t internal;
inode_t *trash_inode;
inode_table_t *trash_itable;
};
typedef struct trash_priv trash_private_t;
#define TRASH_SET_PID(frame, local) \
do { \
GF_ASSERT(!local->is_set_pid); \
if (!local->is_set_pid) { \
local->pid = frame->root->pid; \
frame->root->pid = GF_SERVER_PID_TRASH; \
local->is_set_pid = _gf_true; \
} \
} while (0)
#define TRASH_UNSET_PID(frame, local) \
do { \
GF_ASSERT(local->is_set_pid); \
if (local->is_set_pid) { \
frame->root->pid = local->pid; \
local->is_set_pid = _gf_false; \
} \
} while (0)
#define TRASH_STACK_UNWIND(op, frame, params...) \
do { \
trash_local_t *__local = NULL; \
__local = frame->local; \
frame->local = NULL; \
STACK_UNWIND_STRICT(op, frame, params); \
trash_local_wipe(__local); \
} while (0)
#endif /* __TRASH_H__ */
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