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/*
* pg_filedump.h - PostgreSQL file dump utility for dumping and
* formatting heap (data), index and control files.
*
* Copyright (c) 2002-2010 Red Hat, Inc.
* Copyright (c) 2011-2016, PostgreSQL Global Development Group
*
* 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.
*
* 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
*
* Original Author: Patrick Macdonald <patrickm@redhat.com>
*/
#define FD_VERSION "9.6.0" /* version ID of pg_filedump */
#define FD_PG_VERSION "PostgreSQL 9.6.x" /* PG version it works with */
#include "postgres.h"
#include <time.h>
#include <ctype.h>
#include "access/gin_private.h"
#include "access/gist.h"
#include "access/hash.h"
#include "access/htup.h"
#include "access/htup_details.h"
#include "access/itup.h"
#include "access/nbtree.h"
#include "access/spgist_private.h"
#include "catalog/pg_control.h"
#include "storage/bufpage.h"
/* Options for Block formatting operations */
static unsigned int blockOptions = 0;
typedef enum blockSwitches
{
BLOCK_ABSOLUTE = 0x00000001, /* -a: Absolute(vs Relative) addressing */
BLOCK_BINARY = 0x00000002, /* -b: Binary dump of block */
BLOCK_FORMAT = 0x00000004, /* -f: Formatted dump of blocks / control file */
BLOCK_FORCED = 0x00000008, /* -S: Block size forced */
BLOCK_NO_INTR = 0x00000010, /* -d: Dump straight blocks */
BLOCK_RANGE = 0x00000020, /* -R: Specific block range to dump */
BLOCK_CHECKSUMS = 0x00000040 /* -k: verify block checksums */
} blockSwitches;
/* Segment-related options */
static unsigned int segmentOptions = 0;
typedef enum segmentSwitches
{
SEGMENT_SIZE_FORCED = 0x00000001, /* -s: Segment size forced */
SEGMENT_NUMBER_FORCED = 0x00000002, /* -n: Segment number forced */
} segmentSwitches;
/* -R[start]:Block range start */
static int blockStart = -1;
/* -R[end]:Block range end */
static int blockEnd = -1;
/* Options for Item formatting operations */
static unsigned int itemOptions = 0;
typedef enum itemSwitches
{
ITEM_DETAIL = 0x00000001, /* -i: Display interpreted items */
ITEM_HEAP = 0x00000002, /* -y: Blocks contain HeapTuple items */
ITEM_INDEX = 0x00000004, /* -x: Blocks contain IndexTuple items */
ITEM_SPG_INNER = 0x00000008, /* Blocks contain SpGistInnerTuple items */
ITEM_SPG_LEAF = 0x00000010 /* Blocks contain SpGistLeafTuple items */
} itemSwitches;
/* Options for Control File formatting operations */
static unsigned int controlOptions = 0;
typedef enum controlSwitches
{
CONTROL_DUMP = 0x00000001, /* -c: Dump control file */
CONTROL_FORMAT = BLOCK_FORMAT, /* -f: Formatted dump of control file */
CONTROL_FORCED = BLOCK_FORCED /* -S: Block size forced */
} controlSwitches;
/* Possible value types for the Special Section */
typedef enum specialSectionTypes
{
SPEC_SECT_NONE, /* No special section on block */
SPEC_SECT_SEQUENCE, /* Sequence info in special section */
SPEC_SECT_INDEX_BTREE, /* BTree index info in special section */
SPEC_SECT_INDEX_HASH, /* Hash index info in special section */
SPEC_SECT_INDEX_GIST, /* GIST index info in special section */
SPEC_SECT_INDEX_GIN, /* GIN index info in special section */
SPEC_SECT_INDEX_SPGIST, /* SP - GIST index info in special section */
SPEC_SECT_ERROR_UNKNOWN, /* Unknown error */
SPEC_SECT_ERROR_BOUNDARY /* Boundary error */
} specialSectionTypes;
static unsigned int specialType = SPEC_SECT_NONE;
/* Possible return codes from option validation routine. */
/* pg_filedump doesn't do much with them now but maybe in */
/* the future... */
typedef enum optionReturnCodes
{
OPT_RC_VALID, /* All options are valid */
OPT_RC_INVALID, /* Improper option string */
OPT_RC_FILE, /* File problems */
OPT_RC_DUPLICATE, /* Duplicate option encountered */
OPT_RC_COPYRIGHT /* Copyright should be displayed */
} optionReturnCodes;
/* Simple macro to check for duplicate options and then set */
/* an option flag for later consumption */
#define SET_OPTION(_x,_y,_z) if (_x & _y) \
{ \
rc = OPT_RC_DUPLICATE; \
duplicateSwitch = _z; \
} \
else \
_x |= _y;
#define SEQUENCE_MAGIC 0x1717 /* PostgreSQL defined magic number */
#define EOF_ENCOUNTERED (-1) /* Indicator for partial read */
#define BYTES_PER_LINE 16 /* Format the binary 16 bytes per line */
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