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Diffstat (limited to 'extra/mariabackup/write_filt.h')
-rw-r--r-- | extra/mariabackup/write_filt.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/extra/mariabackup/write_filt.h b/extra/mariabackup/write_filt.h new file mode 100644 index 00000000..a0ce0778 --- /dev/null +++ b/extra/mariabackup/write_filt.h @@ -0,0 +1,59 @@ +/****************************************************** +XtraBackup: hot backup tool for InnoDB +(c) 2009-2013 Percona LLC and/or its affiliates. +Originally Created 3/3/2009 Yasufumi Kinoshita +Written by Alexey Kopytov, Aleksandr Kuzminsky, Stewart Smith, Vadim Tkachenko, +Yasufumi Kinoshita, Ignacio Nin and Baron Schwartz. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA + +*******************************************************/ + +/* Page write filter interface */ + +#ifndef XB_WRITE_FILT_H +#define XB_WRITE_FILT_H + +#include "fil_cur.h" +#include "datasink.h" +#include "xtrabackup.h" + +/* Incremental page filter context */ +typedef struct { + ulint delta_buf_size; + byte *delta_buf; + ulint npages; + CorruptedPages *corrupted_pages; +} xb_wf_incremental_ctxt_t; + +/* Page filter context used as an opaque structure by callers */ +typedef struct { + xb_fil_cur_t *cursor; + xb_wf_incremental_ctxt_t wf_incremental_ctxt; +} xb_write_filt_ctxt_t; + + +typedef struct { + my_bool (*init)(ds_ctxt *ds_meta, + xb_write_filt_ctxt_t *ctxt, char *dst_name, + xb_fil_cur_t *cursor, CorruptedPages *corrupted_pages); + my_bool (*process)(xb_write_filt_ctxt_t *ctxt, ds_file_t *dstfile); + my_bool (*finalize)(xb_write_filt_ctxt_t *, ds_file_t *dstfile); + void (*deinit)(xb_write_filt_ctxt_t *); +} xb_write_filt_t; + +extern xb_write_filt_t wf_write_through; +extern xb_write_filt_t wf_incremental; + +#endif /* XB_WRITE_FILT_H */ |