Commit 8937762e authored by Vladislav Vaintroub's avatar Vladislav Vaintroub

MDEV-26573 : A static analyzer warning about ds_archive.cc

This file had not been compiled for long time.
Remove this from the tree.
parent 696de6d0
......@@ -22,7 +22,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
#include "common.h"
#include "datasink.h"
#include "ds_compress.h"
#include "ds_archive.h"
#include "ds_xbstream.h"
#include "ds_local.h"
#include "ds_stdout.h"
......@@ -44,13 +43,6 @@ ds_create(const char *root, ds_type_t type)
case DS_TYPE_LOCAL:
ds = &datasink_local;
break;
case DS_TYPE_ARCHIVE:
#ifdef HAVE_LIBARCHIVE
ds = &datasink_archive;
#else
die("mariabackup was built without libarchive support");
#endif
break;
case DS_TYPE_XBSTREAM:
ds = &datasink_xbstream;
break;
......
......@@ -63,7 +63,6 @@ static inline int dummy_remove(const char *) {
typedef enum {
DS_TYPE_STDOUT,
DS_TYPE_LOCAL,
DS_TYPE_ARCHIVE,
DS_TYPE_XBSTREAM,
DS_TYPE_COMPRESS,
DS_TYPE_ENCRYPT,
......
/******************************************************
Copyright (c) 2013 Percona LLC and/or its affiliates.
Streaming 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_base.h>
#include <archive.h>
#include <archive_entry.h>
#include "common.h"
#include "datasink.h"
#if ARCHIVE_VERSION_NUMBER < 3000000
#define archive_write_add_filter_none(X) archive_write_set_compression_none(X)
#define archive_write_free(X) archive_write_finish(X)
#endif
typedef struct {
struct archive *archive;
ds_file_t *dest_file;
pthread_mutex_t mutex;
} ds_archive_ctxt_t;
typedef struct {
struct archive_entry *entry;
ds_archive_ctxt_t *archive_ctxt;
} ds_archive_file_t;
/***********************************************************************
General archive interface */
static ds_ctxt_t *archive_init(const char *root);
static ds_file_t *archive_open(ds_ctxt_t *ctxt, const char *path,
MY_STAT *mystat);
static int archive_write(ds_file_t *file, const void *buf, size_t len);
static int archive_close(ds_file_t *file);
static void archive_deinit(ds_ctxt_t *ctxt);
datasink_t datasink_archive = {
&archive_init,
&archive_open,
&archive_write,
&archive_close,
&dummy_remove,
&archive_deinit
};
static
int
my_archive_open_callback(struct archive *a __attribute__((unused)),
void *data __attribute__((unused)))
{
return ARCHIVE_OK;
}
static
ssize_t
my_archive_write_callback(struct archive *a __attribute__((unused)),
void *data, const void *buffer, size_t length)
{
ds_archive_ctxt_t *archive_ctxt;
archive_ctxt = (ds_archive_ctxt_t *) data;
xb_ad(archive_ctxt != NULL);
xb_ad(archive_ctxt->dest_file != NULL);
if (!ds_write(archive_ctxt->dest_file, buffer, length)) {
return length;
}
return -1;
}
static
int
my_archive_close_callback(struct archive *a __attribute__((unused)),
void *data __attribute__((unused)))
{
return ARCHIVE_OK;
}
static
ds_ctxt_t *
archive_init(const char *root __attribute__((unused)))
{
ds_ctxt_t *ctxt;
ds_archive_ctxt_t *archive_ctxt;
struct archive *a;
ctxt = my_malloc(sizeof(ds_ctxt_t) + sizeof(ds_archive_ctxt_t),
MYF(MY_FAE));
archive_ctxt = (ds_archive_ctxt_t *)(ctxt + 1);
if (pthread_mutex_init(&archive_ctxt->mutex, NULL)) {
msg("archive_init: pthread_mutex_init() failed.\n");
goto err;
}
a = archive_write_new();
if (a == NULL) {
msg("archive_write_new() failed.\n");
goto err;
}
archive_ctxt->archive = a;
archive_ctxt->dest_file = NULL;
if(archive_write_add_filter_none(a) != ARCHIVE_OK ||
archive_write_set_format_pax_restricted(a) != ARCHIVE_OK ||
/* disable internal buffering so we don't have to flush the
output in xtrabackup */
archive_write_set_bytes_per_block(a, 0) != ARCHIVE_OK) {
msg("failed to set libarchive archive options: %s\n",
archive_error_string(a));
archive_write_free(a);
goto err;
}
if (archive_write_open(a, archive_ctxt, my_archive_open_callback,
my_archive_write_callback,
my_archive_close_callback) != ARCHIVE_OK) {
msg("cannot open output archive.\n");
return NULL;
}
ctxt->ptr = archive_ctxt;
return ctxt;
err:
my_free(ctxt);
return NULL;
}
static
ds_file_t *
archive_open(ds_ctxt_t *ctxt, const char *path, MY_STAT *mystat)
{
ds_archive_ctxt_t *archive_ctxt;
ds_ctxt_t *dest_ctxt;
ds_file_t *file;
ds_archive_file_t *archive_file;
struct archive *a;
struct archive_entry *entry;
xb_ad(ctxt->pipe_ctxt != NULL);
dest_ctxt = ctxt->pipe_ctxt;
archive_ctxt = (ds_archive_ctxt_t *) ctxt->ptr;
pthread_mutex_lock(&archive_ctxt->mutex);
if (archive_ctxt->dest_file == NULL) {
archive_ctxt->dest_file = ds_open(dest_ctxt, path, mystat);
if (archive_ctxt->dest_file == NULL) {
return NULL;
}
}
pthread_mutex_unlock(&archive_ctxt->mutex);
file = (ds_file_t *) my_malloc(sizeof(ds_file_t) +
sizeof(ds_archive_file_t),
MYF(MY_FAE));
archive_file = (ds_archive_file_t *) (file + 1);
a = archive_ctxt->archive;
entry = archive_entry_new();
if (entry == NULL) {
msg("archive_entry_new() failed.\n");
goto err;
}
archive_entry_set_size(entry, mystat->st_size);
archive_entry_set_mode(entry, 0660);
archive_entry_set_filetype(entry, AE_IFREG);
archive_entry_set_pathname(entry, path);
archive_entry_set_mtime(entry, mystat->st_mtime, 0);
archive_file->entry = entry;
archive_file->archive_ctxt = archive_ctxt;
if (archive_write_header(a, entry) != ARCHIVE_OK) {
msg("archive_write_header() failed.\n");
archive_entry_free(entry);
goto err;
}
file->ptr = archive_file;
file->path = archive_ctxt->dest_file->path;
return file;
err:
if (archive_ctxt->dest_file) {
ds_close(archive_ctxt->dest_file);
archive_ctxt->dest_file = NULL;
}
my_free(file);
return NULL;
}
static
int
archive_write(ds_file_t *file, const void *buf, size_t len)
{
ds_archive_file_t *archive_file;
struct archive *a;
archive_file = (ds_archive_file_t *) file->ptr;
a = archive_file->archive_ctxt->archive;
xb_ad(archive_file->archive_ctxt->dest_file != NULL);
if (archive_write_data(a, buf, len) < 0) {
msg("archive_write_data() failed: %s (errno = %d)\n",
archive_error_string(a), archive_errno(a));
return 1;
}
return 0;
}
static
int
archive_close(ds_file_t *file)
{
ds_archive_file_t *archive_file;
int rc = 0;
archive_file = (ds_archive_file_t *)file->ptr;
archive_entry_free(archive_file->entry);
my_free(file);
return rc;
}
static
void
archive_deinit(ds_ctxt_t *ctxt)
{
struct archive *a;
ds_archive_ctxt_t *archive_ctxt;
archive_ctxt = (ds_archive_ctxt_t *) ctxt->ptr;
a = archive_ctxt->archive;
if (archive_write_close(a) != ARCHIVE_OK) {
msg("archive_write_close() failed.\n");
}
archive_write_free(a);
if (archive_ctxt->dest_file) {
ds_close(archive_ctxt->dest_file);
archive_ctxt->dest_file = NULL;
}
pthread_mutex_destroy(&archive_ctxt->mutex);
my_free(ctxt);
}
/******************************************************
Copyright (c) 2013 Percona LLC and/or its affiliates.
Streaming interface 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
*******************************************************/
#ifndef DS_ARCHIVE_H
#define DS_ARCHIVE_H
#include "datasink.h"
extern datasink_t datasink_archive;
#endif
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