/******************************************************
Copyright ( c ) 2013 Percona LLC and / or its affiliates .
Local datasink implementation for XtraBackup .
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
*******************************************************/
#include <my_global.h>
#include <my_base.h>
#include <mysys_err.h>
#include "common.h"
#include "datasink.h"
typedef struct {
File fd;
} ds_stdout_file_t;
static ds_ctxt_t *stdout_init(const char *root);
static ds_file_t *stdout_open(ds_ctxt_t *ctxt, const char *path,
const MY_STAT *mystat, bool rewrite);
static int stdout_write(ds_file_t *file, const uchar *buf, size_t len);
static int stdout_close(ds_file_t *file);
static void stdout_deinit(ds_ctxt_t *ctxt);
datasink_t datasink_stdout = {
&stdout_init,
&stdout_open,
&stdout_write,
nullptr,
&stdout_close,
&dummy_remove,
nullptr,
nullptr,
&stdout_deinit
};
static
ds_ctxt_t *
stdout_init(const char *root)
{
ds_ctxt_t *ctxt;
ctxt = (ds_ctxt_t *)my_malloc(PSI_NOT_INSTRUMENTED, sizeof (ds_ctxt_t), MYF(MY_FAE));
ctxt->root = my_strdup(PSI_NOT_INSTRUMENTED, root, MYF(MY_FAE));
return ctxt;
}
static
ds_file_t *
stdout_open(ds_ctxt_t *ctxt __attribute__((unused)),
const char *path __attribute__((unused)),
const MY_STAT *mystat __attribute__((unused)), bool rewrite)
{
DBUG_ASSERT(rewrite == false );
ds_stdout_file_t *stdout_file;
ds_file_t *file;
size_t pathlen;
const char *fullpath = "<STDOUT>" ;
pathlen = strlen(fullpath) + 1 ;
file = (ds_file_t *) my_malloc(PSI_NOT_INSTRUMENTED, sizeof (ds_file_t) +
sizeof (ds_stdout_file_t) + pathlen, MYF(MY_FAE));
stdout_file = (ds_stdout_file_t *) (file + 1 );
#ifdef _WIN32
setmode(fileno(stdout), _O_BINARY);
#endif
stdout_file->fd = my_fileno(stdout);
posix_fadvise(stdout_file->fd, 0 , 0 , POSIX_FADV_DONTNEED);
file->path = (char *) stdout_file + sizeof (ds_stdout_file_t);
memcpy(file->path, fullpath, pathlen);
file->ptr = stdout_file;
return file;
}
static
int
stdout_write(ds_file_t *file, const uchar *buf, size_t len)
{
File fd = ((ds_stdout_file_t *) file->ptr)->fd;
if (my_write(fd, buf, len, MYF(MY_WME | MY_NABP))) {
return 1 ;
}
return 0 ;
}
static
int
stdout_close(ds_file_t *file)
{
my_free(file);
return 1 ;
}
static
void
stdout_deinit(ds_ctxt_t *ctxt)
{
my_free(ctxt->root);
my_free(ctxt);
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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