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58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/******************************************************
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XtraBackup: hot backup tool for InnoDB
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(c) 2009-2013 Percona LLC and/or its affiliates.
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Originally Created 3/3/2009 Yasufumi Kinoshita
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Written by Alexey Kopytov, Aleksandr Kuzminsky, Stewart Smith, Vadim Tkachenko,
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Yasufumi Kinoshita, Ignacio Nin and Baron Schwartz.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
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*******************************************************/
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/* Page write filter interface */
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#ifndef XB_WRITE_FILT_H
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#define XB_WRITE_FILT_H
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#include "fil_cur.h"
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#include "datasink.h"
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/* Incremental page filter context */
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typedef struct {
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ulint delta_buf_size;
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byte *delta_buf;
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ulint npages;
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} xb_wf_incremental_ctxt_t;
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/* Page filter context used as an opaque structure by callers */
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typedef struct {
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xb_fil_cur_t *cursor;
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union {
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xb_wf_incremental_ctxt_t wf_incremental_ctxt;
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} u;
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} xb_write_filt_ctxt_t;
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typedef struct {
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my_bool (*init)(xb_write_filt_ctxt_t *ctxt, char *dst_name,
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xb_fil_cur_t *cursor);
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my_bool (*process)(xb_write_filt_ctxt_t *ctxt, ds_file_t *dstfile);
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my_bool (*finalize)(xb_write_filt_ctxt_t *, ds_file_t *dstfile);
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void (*deinit)(xb_write_filt_ctxt_t *);
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} xb_write_filt_t;
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extern xb_write_filt_t wf_write_through;
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extern xb_write_filt_t wf_incremental;
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#endif /* XB_WRITE_FILT_H */
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