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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /extra/mariabackup/datasink.h | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-upstream/1%10.5.12.tar.xz mariadb-10.5-upstream/1%10.5.12.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'extra/mariabackup/datasink.h')
-rw-r--r-- | extra/mariabackup/datasink.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/extra/mariabackup/datasink.h b/extra/mariabackup/datasink.h new file mode 100644 index 00000000..5c82556b --- /dev/null +++ b/extra/mariabackup/datasink.h @@ -0,0 +1,106 @@ +/****************************************************** +Copyright (c) 2011-2013 Percona LLC and/or its affiliates. + +Data sink interface. + +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 + +*******************************************************/ + +#ifndef XB_DATASINK_H +#define XB_DATASINK_H + +#include <my_global.h> +#include <my_dir.h> + +#ifdef __cplusplus +extern "C" { +#endif + +extern char *xtrabackup_tmpdir; +struct datasink_struct; +typedef struct datasink_struct datasink_t; + +typedef struct ds_ctxt { + datasink_t *datasink; + char *root; + void *ptr; + struct ds_ctxt *pipe_ctxt; +} ds_ctxt_t; + +typedef struct { + void *ptr; + char *path; + datasink_t *datasink; +} ds_file_t; + +struct datasink_struct { + ds_ctxt_t *(*init)(const char *root); + ds_file_t *(*open)(ds_ctxt_t *ctxt, const char *path, MY_STAT *stat); + int (*write)(ds_file_t *file, const unsigned char *buf, size_t len); + int (*close)(ds_file_t *file); + int (*remove)(const char *path); + void (*deinit)(ds_ctxt_t *ctxt); +}; + + +static inline int dummy_remove(const char *) { + return 0; +} + +/* Supported datasink types */ +typedef enum { + DS_TYPE_STDOUT, + DS_TYPE_LOCAL, + DS_TYPE_ARCHIVE, + DS_TYPE_XBSTREAM, + DS_TYPE_COMPRESS, + DS_TYPE_ENCRYPT, + DS_TYPE_DECRYPT, + DS_TYPE_TMPFILE, + DS_TYPE_BUFFER +} ds_type_t; + +/************************************************************************ +Create a datasink of the specified type */ +ds_ctxt_t *ds_create(const char *root, ds_type_t type); + +/************************************************************************ +Open a datasink file */ +ds_file_t *ds_open(ds_ctxt_t *ctxt, const char *path, MY_STAT *stat); + +/************************************************************************ +Write to a datasink file. +@return 0 on success, 1 on error. */ +int ds_write(ds_file_t *file, const void *buf, size_t len); + +/************************************************************************ +Close a datasink file. +@return 0 on success, 1, on error. */ +int ds_close(ds_file_t *file); + +/************************************************************************ +Destroy a datasink handle */ +void ds_destroy(ds_ctxt_t *ctxt); + +/************************************************************************ +Set the destination pipe for a datasink (only makes sense for compress and +tmpfile). */ +void ds_set_pipe(ds_ctxt_t *ctxt, ds_ctxt_t *pipe_ctxt); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* XB_DATASINK_H */ |