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/* lcb_internal.h -- replication-based backup internals
*
* Copyright (c) 1994-2015 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "lib/sqldb.h"
#include "lib/xsha1.h"
#include "imap/partlist.h"
#ifndef LIBCYRUS_BACKUP_SOURCE
#error "backup/lcb_internal.h is for internal use by libcyrus_backup ONLY"
#else
#ifndef BACKUP_LCB_INTERNAL_H
#define BACKUP_LCB_INTERNAL_H
enum {
BACKUP_APPEND_INACTIVE = 0,
BACKUP_APPEND_ACTIVE = 0x0001,
BACKUP_APPEND_INDEXONLY = 0x0002,
};
struct backup_append_state {
unsigned mode;
gzFile gzfile;
int chunk_id;
size_t wrote;
SHA_CTX sha_ctx;
};
struct backup {
int fd;
char *data_fname;
char *index_fname;
char *oldindex_fname;
sqldb_t *db;
struct backup_append_state *append_state;
};
enum backup_open_reindex {
BACKUP_OPEN_NOREINDEX = 0,
BACKUP_OPEN_REINDEX = 1,
};
HIDDEN int backup_real_open(struct backup **backupp,
const char *data_fname, const char *index_fname,
enum backup_open_reindex reindex,
enum backup_open_nonblock nonblock,
enum backup_open_create create);
int backup_real_append_start(struct backup *backup,
time_t ts, off_t offset,
const char *file_sha1,
int index_only,
enum backup_append_flush flush);
int backup_real_append_end(struct backup *backup, time_t ts);
HIDDEN int backup_index(struct backup *backup, struct dlist *dlist,
time_t ts, off_t start, size_t len);
/* parsing data from backup data stream files */
int parse_backup_line(struct protstream *in, time_t *ts,
struct buf *cmd, struct dlist **kin);
/* limit is how much of the file to calculate the sha1 of (in bytes),
* or SHA1_LIMIT_WHOLE_FILE for the whole file */
#define SHA1_LIMIT_WHOLE_FILE ((size_t) -1)
const char *sha1_file(int fd, const char *fname, size_t limit,
char buf[2 * SHA1_DIGEST_LENGTH + 1]);
struct backup_mailbox *backup_mailbox_list_remove(
struct backup_mailbox_list *list,
struct backup_mailbox *node);
struct backup_mailbox_message *backup_mailbox_message_list_remove(
struct backup_mailbox_message_list *list,
struct backup_mailbox_message *mailbox_message);
const char *partlist_backup_select(void);
int partlist_backup_foreach(partlist_foreach_cb proc, void *rock);
void partlist_backup_done(void);
#endif
#endif
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