/*
- * Block definitions for Bacula media data format.
- *
- * Kern Sibbald
- *
- * Version $Id$
- *
- */
-/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2012 Free Software Foundation Europe e.V.
- 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; either version 2 of
- the License, or (at your option) any later version.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version three of the GNU Affero General Public
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ You should have received a copy of the GNU Affero General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ Bacula® is a registered trademark of Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ * Block definitions for Bacula media data format.
+ *
+ * Kern Sibbald, MM
+ *
*/
#ifndef __BLOCK_H
#define __BLOCK_H 1
-#define MAX_BLOCK_LENGTH 500001 /* this is a sort of sanity check */
+#define MAX_BLOCK_LENGTH 20000000 /* this is a sort of sanity check */
#define DEFAULT_BLOCK_SIZE (512 * 126) /* 64,512 N.B. do not use 65,636 here */
/* Block Header definitions. */
#define WRITE_RECHDR_LENGTH RECHDR2_LENGTH
/* Tape label and version definitions */
-#define BaculaId "Bacula 1.0 immortal\n"
-#define OldBaculaId "Bacula 0.9 mortal\n"
-#define BaculaTapeVersion 11
+#define BaculaId "Bacula 1.0 immortal\n"
+#define OldBaculaId "Bacula 0.9 mortal\n"
+#define BaculaTapeVersion 11
#define OldCompatibleBaculaTapeVersion1 10
#define OldCompatibleBaculaTapeVersion2 9
-
/*
* This is the Media structure for a block header
* Note, when written, it is serialized.
uint32_t CheckSum;
- uint32_t block_len;
+ uint32_t block_len;
uint32_t BlockNumber;
char Id[BLKHDR_ID_LENGTH];
uint32_t VolSessionTime;
*/
+class DEVICE; /* for forward reference */
+
/*
* DEV_BLOCK for reading and writing blocks.
* This is the basic unit that is written to the device, and
*
* This is the memory structure for a device block.
*/
-typedef struct s_dev_block {
- struct s_dev_block *next; /* pointer to next one */
- void *dev; /* pointer to device (DEVICE not defined yet) */
- /* binbuf is the number of bytes remaining
- * in the buffer. For writes, it is bytes not yet written.
- * For reads, it is remaining bytes not yet read.
+struct DEV_BLOCK {
+ DEV_BLOCK *next; /* pointer to next one */
+ DEVICE *dev; /* pointer to device */
+ /* binbuf is the number of bytes remaining in the buffer.
+ * For writes, it is bytes not yet written.
+ * For reads, it is remaining bytes not yet read.
*/
uint32_t binbuf; /* bytes in buffer */
uint32_t block_len; /* length of current block read */
uint32_t buf_len; /* max/default block length */
- uint32_t BlockNumber; /* sequential block number */
+ uint32_t BlockNumber; /* sequential Bacula block number */
uint32_t read_len; /* bytes read into buffer, if zero, block empty */
uint32_t VolSessionId; /* */
uint32_t VolSessionTime; /* */
+ uint32_t read_errors; /* block errors (checksum, header, ...) */
int BlockVer; /* block version 1 or 2 */
- int failed_write; /* set if write failed */
- char *bufp; /* pointer into buffer */
- POOLMEM *buf; /* actual data buffer. This is a
- * Pool buffer!
- */
-} DEV_BLOCK;
-
-#define block_is_empty(block) !((block)->read_len)
+ bool write_failed; /* set if write failed */
+ bool block_read; /* set when block read */
+ int32_t FirstIndex; /* first index this block */
+ int32_t LastIndex; /* last index this block */
+ char *bufp; /* pointer into buffer */
+ POOLMEM *buf; /* actual data buffer */
+};
+
+#define block_is_empty(block) ((block)->read_len == 0)
#endif
projects / bacula / bacula / blobdiff