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pg_backup_archiver.h File Reference
#include <time.h>
#include "pg_backup.h"
#include "libpq-fe.h"
#include "pqexpbuffer.h"
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Data Structures

struct  _z_stream
 
struct  sqlparseInfo
 
struct  _archiveHandle
 
struct  _tocEntry
 

Macros

#define LOBBUFSIZE   16384
 
#define GZCLOSE(fh)   fclose(fh)
 
#define GZWRITE(p, s, n, fh)   (fwrite(p, s, n, fh) * (s))
 
#define GZREAD(p, s, n, fh)   fread(p, s, n, fh)
 
#define GZEOF(fh)   feof(fh)
 
#define Z_DEFAULT_COMPRESSION   (-1)
 
#define BLK_DATA   1
 
#define BLK_BLOBS   3
 
#define MAKE_ARCHIVE_VERSION(major, minor, rev)   (((major) * 256 + (minor)) * 256 + (rev))
 
#define ARCHIVE_MAJOR(version)   (((version) >> 16) & 255)
 
#define ARCHIVE_MINOR(version)   (((version) >> 8) & 255)
 
#define ARCHIVE_REV(version)   (((version) ) & 255)
 
#define K_VERS_1_0   MAKE_ARCHIVE_VERSION(1, 0, 0)
 
#define K_VERS_1_2   MAKE_ARCHIVE_VERSION(1, 2, 0) /* Allow No ZLIB */
 
#define K_VERS_1_3   MAKE_ARCHIVE_VERSION(1, 3, 0) /* BLOBs */
 
#define K_VERS_1_4   MAKE_ARCHIVE_VERSION(1, 4, 0) /* Date & name in header */
 
#define K_VERS_1_5   MAKE_ARCHIVE_VERSION(1, 5, 0) /* Handle dependencies */
 
#define K_VERS_1_6   MAKE_ARCHIVE_VERSION(1, 6, 0) /* Schema field in TOCs */
 
#define K_VERS_1_7
 
#define K_VERS_1_8
 
#define K_VERS_1_9
 
#define K_VERS_1_10   MAKE_ARCHIVE_VERSION(1, 10, 0) /* add tablespace */
 
#define K_VERS_1_11
 
#define K_VERS_1_12
 
#define K_VERS_MAJOR   1
 
#define K_VERS_MINOR   12
 
#define K_VERS_REV   0
 
#define K_VERS_SELF   MAKE_ARCHIVE_VERSION(K_VERS_MAJOR, K_VERS_MINOR, K_VERS_REV);
 
#define K_VERS_MAX   MAKE_ARCHIVE_VERSION(K_VERS_MAJOR, K_VERS_MINOR, 255)
 
#define K_OFFSET_POS_NOT_SET   1
 
#define K_OFFSET_POS_SET   2
 
#define K_OFFSET_NO_DATA   3
 
#define WORKER_OK   0
 
#define WORKER_CREATE_DONE   10
 
#define WORKER_INHIBIT_DATA   11
 
#define WORKER_IGNORED_ERRORS   12
 
#define READ_ERROR_EXIT(fd)
 
#define WRITE_ERROR_EXIT
 
#define appendStringLiteralAHX(buf, str, AH)   appendStringLiteral(buf, str, (AH)->public.encoding, (AH)->public.std_strings)
 
#define appendByteaLiteralAHX(buf, str, len, AH)   appendByteaLiteral(buf, str, len, (AH)->public.std_strings)
 

Typedefs

typedef struct _z_stream z_stream
 
typedef z_streamz_streamp
 
typedef struct _archiveHandle ArchiveHandle
 
typedef struct _tocEntry TocEntry
 
typedef enum T_Action T_Action
 
typedef void(* ClosePtr )(ArchiveHandle *AH)
 
typedef void(* ReopenPtr )(ArchiveHandle *AH)
 
typedef void(* ArchiveEntryPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* StartDataPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* WriteDataPtr )(ArchiveHandle *AH, const void *data, size_t dLen)
 
typedef void(* EndDataPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* StartBlobsPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* StartBlobPtr )(ArchiveHandle *AH, TocEntry *te, Oid oid)
 
typedef void(* EndBlobPtr )(ArchiveHandle *AH, TocEntry *te, Oid oid)
 
typedef void(* EndBlobsPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef int(* WriteBytePtr )(ArchiveHandle *AH, const int i)
 
typedef int(* ReadBytePtr )(ArchiveHandle *AH)
 
typedef void(* WriteBufPtr )(ArchiveHandle *AH, const void *c, size_t len)
 
typedef void(* ReadBufPtr )(ArchiveHandle *AH, void *buf, size_t len)
 
typedef void(* SaveArchivePtr )(ArchiveHandle *AH)
 
typedef void(* WriteExtraTocPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* ReadExtraTocPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* PrintExtraTocPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* PrintTocDataPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* ClonePtr )(ArchiveHandle *AH)
 
typedef void(* DeClonePtr )(ArchiveHandle *AH)
 
typedef int(* WorkerJobDumpPtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef int(* WorkerJobRestorePtr )(ArchiveHandle *AH, TocEntry *te)
 
typedef size_t(* CustomOutPtr )(ArchiveHandle *AH, const void *buf, size_t len)
 

Enumerations

enum  T_Action { ACT_DUMP, ACT_RESTORE }
 
enum  sqlparseState { SQL_SCAN = 0, SQL_IN_SINGLE_QUOTE, SQL_IN_DOUBLE_QUOTE }
 
enum  ArchiverStage { STAGE_NONE = 0, STAGE_INITIALIZING, STAGE_PROCESSING, STAGE_FINALIZING }
 
enum  ArchiverOutput { OUTPUT_SQLCMDS = 0, OUTPUT_COPYDATA, OUTPUT_OTHERDATA }
 
enum  teReqs { REQ_SCHEMA = 0x01, REQ_DATA = 0x02, REQ_SPECIAL = 0x04 }
 

Functions

int parallel_restore (ArchiveHandle *AH, TocEntry *te)
 
void on_exit_close_archive (Archive *AHX)
 
void warn_or_exit_horribly (ArchiveHandle *AH, const char *modulename, const char *fmt,...) pg_attribute_printf(3
 
void void WriteTOC (ArchiveHandle *AH)
 
void ReadTOC (ArchiveHandle *AH)
 
void WriteHead (ArchiveHandle *AH)
 
void ReadHead (ArchiveHandle *AH)
 
void WriteToc (ArchiveHandle *AH)
 
void ReadToc (ArchiveHandle *AH)
 
void WriteDataChunks (ArchiveHandle *AH, struct ParallelState *pstate)
 
void WriteDataChunksForTocEntry (ArchiveHandle *AH, TocEntry *te)
 
ArchiveHandleCloneArchive (ArchiveHandle *AH)
 
void DeCloneArchive (ArchiveHandle *AH)
 
teReqs TocIDRequired (ArchiveHandle *AH, DumpId id)
 
TocEntrygetTocEntryByDumpId (ArchiveHandle *AH, DumpId id)
 
bool checkSeek (FILE *fp)
 
size_t WriteInt (ArchiveHandle *AH, int i)
 
int ReadInt (ArchiveHandle *AH)
 
char * ReadStr (ArchiveHandle *AH)
 
size_t WriteStr (ArchiveHandle *AH, const char *s)
 
int ReadOffset (ArchiveHandle *, pgoff_t *)
 
size_t WriteOffset (ArchiveHandle *, pgoff_t, int)
 
void StartRestoreBlobs (ArchiveHandle *AH)
 
void StartRestoreBlob (ArchiveHandle *AH, Oid oid, bool drop)
 
void EndRestoreBlob (ArchiveHandle *AH, Oid oid)
 
void EndRestoreBlobs (ArchiveHandle *AH)
 
void InitArchiveFmt_Custom (ArchiveHandle *AH)
 
void InitArchiveFmt_Null (ArchiveHandle *AH)
 
void InitArchiveFmt_Directory (ArchiveHandle *AH)
 
void InitArchiveFmt_Tar (ArchiveHandle *AH)
 
bool isValidTarHeader (char *header)
 
int ReconnectToServer (ArchiveHandle *AH, const char *dbname, const char *newUser)
 
void DropBlobIfExists (ArchiveHandle *AH, Oid oid)
 
void ahwrite (const void *ptr, size_t size, size_t nmemb, ArchiveHandle *AH)
 
int ahprintf (ArchiveHandle *AH, const char *fmt,...) pg_attribute_printf(2
 
int void ahlog (ArchiveHandle *AH, int level, const char *fmt,...) pg_attribute_printf(3
 

Macro Definition Documentation

#define appendByteaLiteralAHX (   buf,
  str,
  len,
  AH 
)    appendByteaLiteral(buf, str, len, (AH)->public.std_strings)

Definition at line 399 of file pg_backup_archiver.h.

Referenced by _WriteBlobData(), and dump_lo_buf().

#define appendStringLiteralAHX (   buf,
  str,
  AH 
)    appendStringLiteral(buf, str, (AH)->public.encoding, (AH)->public.std_strings)

Definition at line 396 of file pg_backup_archiver.h.

Referenced by _doSetSessionAuth().

#define ARCHIVE_MAJOR (   version)    (((version) >> 16) & 255)

Definition at line 72 of file pg_backup_archiver.h.

Referenced by PrintTOCSummary(), and WriteHead().

#define ARCHIVE_MINOR (   version)    (((version) >> 8) & 255)

Definition at line 73 of file pg_backup_archiver.h.

Referenced by PrintTOCSummary(), and WriteHead().

#define ARCHIVE_REV (   version)    (((version) ) & 255)

Definition at line 74 of file pg_backup_archiver.h.

Referenced by PrintTOCSummary(), and WriteHead().

#define BLK_BLOBS   3

Definition at line 67 of file pg_backup_archiver.h.

Referenced by _PrintTocData(), and _StartBlobs().

#define BLK_DATA   1

Definition at line 66 of file pg_backup_archiver.h.

Referenced by _PrintTocData(), _readBlockHeader(), and _StartData().

#define GZCLOSE (   fh)    fclose(fh)

Definition at line 48 of file pg_backup_archiver.h.

Referenced by CloseArchive(), RestoreOutput(), and tarClose().

#define GZEOF (   fh)    feof(fh)

Definition at line 51 of file pg_backup_archiver.h.

Referenced by _tarReadRaw().

#define GZREAD (   p,
  s,
  n,
  fh 
)    fread(p, s, n, fh)

Definition at line 50 of file pg_backup_archiver.h.

Referenced by _tarReadRaw().

#define GZWRITE (   p,
  s,
  n,
  fh 
)    (fwrite(p, s, n, fh) * (s))

Definition at line 49 of file pg_backup_archiver.h.

Referenced by ahwrite(), and tarWrite().

#define K_OFFSET_NO_DATA   3

Definition at line 109 of file pg_backup_archiver.h.

Referenced by _ArchiveEntry(), _PrintTocData(), and ReadOffset().

#define K_OFFSET_POS_NOT_SET   1

Definition at line 107 of file pg_backup_archiver.h.

Referenced by _ArchiveEntry(), _PrintTocData(), and ReadOffset().

#define K_OFFSET_POS_SET   2

Definition at line 108 of file pg_backup_archiver.h.

Referenced by _StartBlobs(), _StartData(), and ReadOffset().

#define K_VERS_1_0   MAKE_ARCHIVE_VERSION(1, 0, 0)

Definition at line 77 of file pg_backup_archiver.h.

Referenced by ReadHead(), and ReadInt().

#define K_VERS_1_10   MAKE_ARCHIVE_VERSION(1, 10, 0) /* add tablespace */

Definition at line 90 of file pg_backup_archiver.h.

Referenced by ReadHead(), and ReadToc().

#define K_VERS_1_11
Value:
MAKE_ARCHIVE_VERSION(1, 11, 0) /* add toc section
* indicator */
#define MAKE_ARCHIVE_VERSION(major, minor, rev)

Definition at line 91 of file pg_backup_archiver.h.

Referenced by fix_dependencies(), and ReadToc().

#define K_VERS_1_12
Value:
MAKE_ARCHIVE_VERSION(1, 12, 0) /* add separate BLOB
* entries */
#define MAKE_ARCHIVE_VERSION(major, minor, rev)

Definition at line 93 of file pg_backup_archiver.h.

Referenced by _StartBlob(), and StartRestoreBlob().

#define K_VERS_1_2   MAKE_ARCHIVE_VERSION(1, 2, 0) /* Allow No ZLIB */

Definition at line 78 of file pg_backup_archiver.h.

Referenced by ReadHead().

#define K_VERS_1_3   MAKE_ARCHIVE_VERSION(1, 3, 0) /* BLOBs */

Definition at line 79 of file pg_backup_archiver.h.

Referenced by _readBlockHeader(), ReadToc(), and RestoreArchive().

#define K_VERS_1_4   MAKE_ARCHIVE_VERSION(1, 4, 0) /* Date & name in header */

Definition at line 80 of file pg_backup_archiver.h.

Referenced by ReadHead().

#define K_VERS_1_5   MAKE_ARCHIVE_VERSION(1, 5, 0) /* Handle dependencies */

Definition at line 81 of file pg_backup_archiver.h.

Referenced by ReadToc().

#define K_VERS_1_6   MAKE_ARCHIVE_VERSION(1, 6, 0) /* Schema field in TOCs */

Definition at line 82 of file pg_backup_archiver.h.

Referenced by ReadToc().

#define K_VERS_1_7
Value:
MAKE_ARCHIVE_VERSION(1, 7, 0) /* File Offset size in
* header */
#define MAKE_ARCHIVE_VERSION(major, minor, rev)

Definition at line 83 of file pg_backup_archiver.h.

Referenced by _discoverArchiveFormat(), _ReadExtraToc(), ReadHead(), and ReadOffset().

#define K_VERS_1_8
Value:
MAKE_ARCHIVE_VERSION(1, 8, 0) /* change interpretation
* of ID numbers and
* dependencies */
#define MAKE_ARCHIVE_VERSION(major, minor, rev)

Definition at line 85 of file pg_backup_archiver.h.

Referenced by ReadToc(), and RestoreArchive().

#define K_VERS_1_9
Value:
MAKE_ARCHIVE_VERSION(1, 9, 0) /* add default_with_oids
* tracking */
#define MAKE_ARCHIVE_VERSION(major, minor, rev)

Definition at line 88 of file pg_backup_archiver.h.

Referenced by ReadToc().

#define K_VERS_MAJOR   1

Definition at line 97 of file pg_backup_archiver.h.

#define K_VERS_MAX   MAKE_ARCHIVE_VERSION(K_VERS_MAJOR, K_VERS_MINOR, 255)

Definition at line 103 of file pg_backup_archiver.h.

Referenced by ReadHead().

#define K_VERS_MINOR   12

Definition at line 98 of file pg_backup_archiver.h.

#define K_VERS_REV   0

Definition at line 99 of file pg_backup_archiver.h.

Definition at line 100 of file pg_backup_archiver.h.

Referenced by _allocAH().

#define LOBBUFSIZE   16384
#define MAKE_ARCHIVE_VERSION (   major,
  minor,
  rev 
)    (((major) * 256 + (minor)) * 256 + (rev))

Definition at line 70 of file pg_backup_archiver.h.

Referenced by _discoverArchiveFormat(), and ReadHead().

#define READ_ERROR_EXIT (   fd)
Value:
do { \
if (feof(fd)) \
"could not read from input file: end of file\n"); \
"could not read from input file: %s\n", strerror(errno)); \
} while (0)
static const char * modulename
Definition: compress_io.c:78
static int fd(const char *x, int i)
Definition: preproc-init.c:105
void exit_horribly(const char *modulename, const char *fmt,...)
const char * strerror(int errnum)
Definition: strerror.c:19

Definition at line 124 of file pg_backup_archiver.h.

Referenced by _discoverArchiveFormat(), _ReadBuf(), _ReadByte(), _tarAddFile(), _tarReadRaw(), cfgetc(), and cfread().

#define WORKER_CREATE_DONE   10

Definition at line 116 of file pg_backup_archiver.h.

Referenced by mark_restore_job_done(), and restore_toc_entry().

#define WORKER_IGNORED_ERRORS   12
#define WORKER_INHIBIT_DATA   11

Definition at line 117 of file pg_backup_archiver.h.

Referenced by mark_restore_job_done(), and restore_toc_entry().

#define WORKER_OK   0

Definition at line 115 of file pg_backup_archiver.h.

Referenced by restore_toc_entry().

#define WRITE_ERROR_EXIT
Value:
do { \
exit_horribly(modulename, "could not write to output file: %s\n", \
strerror(errno)); \
} while (0)
static const char * modulename
Definition: compress_io.c:78
void exit_horribly(const char *modulename, const char *fmt,...)
const char * strerror(int errnum)
Definition: strerror.c:19

Definition at line 134 of file pg_backup_archiver.h.

Referenced by _CloseArchive(), _tarAddFile(), _tarWriteHeader(), _WriteBuf(), _WriteByte(), _WriteData(), and ahwrite().

#define Z_DEFAULT_COMPRESSION   (-1)

Definition at line 53 of file pg_backup_archiver.h.

Referenced by cfopen(), main(), ParseCompressionOption(), and ReadHead().

Typedef Documentation

typedef void(* ArchiveEntryPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 148 of file pg_backup_archiver.h.

Definition at line 120 of file pg_backup_archiver.h.

typedef void(* ClonePtr)(ArchiveHandle *AH)

Definition at line 169 of file pg_backup_archiver.h.

typedef void(* ClosePtr)(ArchiveHandle *AH)

Definition at line 146 of file pg_backup_archiver.h.

typedef size_t(* CustomOutPtr)(ArchiveHandle *AH, const void *buf, size_t len)

Definition at line 175 of file pg_backup_archiver.h.

typedef void(* DeClonePtr)(ArchiveHandle *AH)

Definition at line 170 of file pg_backup_archiver.h.

typedef void(* EndBlobPtr)(ArchiveHandle *AH, TocEntry *te, Oid oid)

Definition at line 156 of file pg_backup_archiver.h.

typedef void(* EndBlobsPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 157 of file pg_backup_archiver.h.

typedef void(* EndDataPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 152 of file pg_backup_archiver.h.

typedef void(* PrintExtraTocPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 166 of file pg_backup_archiver.h.

typedef void(* PrintTocDataPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 167 of file pg_backup_archiver.h.

typedef void(* ReadBufPtr)(ArchiveHandle *AH, void *buf, size_t len)

Definition at line 162 of file pg_backup_archiver.h.

typedef int(* ReadBytePtr)(ArchiveHandle *AH)

Definition at line 160 of file pg_backup_archiver.h.

typedef void(* ReadExtraTocPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 165 of file pg_backup_archiver.h.

typedef void(* ReopenPtr)(ArchiveHandle *AH)

Definition at line 147 of file pg_backup_archiver.h.

typedef void(* SaveArchivePtr)(ArchiveHandle *AH)

Definition at line 163 of file pg_backup_archiver.h.

typedef void(* StartBlobPtr)(ArchiveHandle *AH, TocEntry *te, Oid oid)

Definition at line 155 of file pg_backup_archiver.h.

typedef void(* StartBlobsPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 154 of file pg_backup_archiver.h.

typedef void(* StartDataPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 150 of file pg_backup_archiver.h.

Definition at line 121 of file pg_backup_archiver.h.

typedef int(* WorkerJobDumpPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 172 of file pg_backup_archiver.h.

typedef int(* WorkerJobRestorePtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 173 of file pg_backup_archiver.h.

typedef void(* WriteBufPtr)(ArchiveHandle *AH, const void *c, size_t len)

Definition at line 161 of file pg_backup_archiver.h.

typedef int(* WriteBytePtr)(ArchiveHandle *AH, const int i)

Definition at line 159 of file pg_backup_archiver.h.

typedef void(* WriteDataPtr)(ArchiveHandle *AH, const void *data, size_t dLen)

Definition at line 151 of file pg_backup_archiver.h.

typedef void(* WriteExtraTocPtr)(ArchiveHandle *AH, TocEntry *te)

Definition at line 164 of file pg_backup_archiver.h.

Definition at line 62 of file pg_backup_archiver.h.

Enumeration Type Documentation

Enumerator
OUTPUT_SQLCMDS 
OUTPUT_COPYDATA 
OUTPUT_OTHERDATA 

Definition at line 199 of file pg_backup_archiver.h.

200 {
201  OUTPUT_SQLCMDS = 0, /* emitting general SQL commands */
202  OUTPUT_COPYDATA, /* writing COPY data */
203  OUTPUT_OTHERDATA /* writing data as INSERT commands */
ArchiverOutput
Enumerator
STAGE_NONE 
STAGE_INITIALIZING 
STAGE_PROCESSING 
STAGE_FINALIZING 

Definition at line 191 of file pg_backup_archiver.h.

Enumerator
SQL_SCAN 
SQL_IN_SINGLE_QUOTE 
SQL_IN_DOUBLE_QUOTE 

Definition at line 177 of file pg_backup_archiver.h.

178 {
179  SQL_SCAN = 0, /* normal */
180  SQL_IN_SINGLE_QUOTE, /* '...' literal */
181  SQL_IN_DOUBLE_QUOTE /* "..." identifier */
182 } sqlparseState;
sqlparseState
enum T_Action
Enumerator
ACT_DUMP 
ACT_RESTORE 

Definition at line 140 of file pg_backup_archiver.h.

enum teReqs
Enumerator
REQ_SCHEMA 
REQ_DATA 
REQ_SPECIAL 

Definition at line 206 of file pg_backup_archiver.h.

207 {
208  REQ_SCHEMA = 0x01, /* want schema */
209  REQ_DATA = 0x02, /* want data */
210  REQ_SPECIAL = 0x04 /* for special TOC entries */
211 } teReqs;

Function Documentation

int void ahlog ( ArchiveHandle AH,
int  level,
const char *  fmt,
  ... 
)
int ahprintf ( ArchiveHandle AH,
const char *  fmt,
  ... 
)
void ahwrite ( const void *  ptr,
size_t  size,
size_t  nmemb,
ArchiveHandle AH 
)

Definition at line 1687 of file pg_backup_archiver.c.

References _archiveHandle::CustomOutPtr, dump_lo_buf(), ExecuteSqlCommandBuf(), _archiveHandle::gzOut, GZWRITE, _archiveHandle::lo_buf, _archiveHandle::lo_buf_size, _archiveHandle::lo_buf_used, _archiveHandle::OF, _archiveHandle::public, remaining, RestoringToDB(), WRITE_ERROR_EXIT, and _archiveHandle::writingBlob.

Referenced by _LoadBlobs(), _PrintFileData(), _PrintTocData(), _WriteData(), ahprintf(), and ReadDataFromArchiveNone().

1688 {
1689  int bytes_written = 0;
1690 
1691  if (AH->writingBlob)
1692  {
1693  size_t remaining = size * nmemb;
1694 
1695  while (AH->lo_buf_used + remaining > AH->lo_buf_size)
1696  {
1697  size_t avail = AH->lo_buf_size - AH->lo_buf_used;
1698 
1699  memcpy((char *) AH->lo_buf + AH->lo_buf_used, ptr, avail);
1700  ptr = (const void *) ((const char *) ptr + avail);
1701  remaining -= avail;
1702  AH->lo_buf_used += avail;
1703  dump_lo_buf(AH);
1704  }
1705 
1706  memcpy((char *) AH->lo_buf + AH->lo_buf_used, ptr, remaining);
1707  AH->lo_buf_used += remaining;
1708 
1709  bytes_written = size * nmemb;
1710  }
1711  else if (AH->gzOut)
1712  bytes_written = GZWRITE(ptr, size, nmemb, AH->OF);
1713  else if (AH->CustomOutPtr)
1714  bytes_written = AH->CustomOutPtr (AH, ptr, size * nmemb);
1715 
1716  else
1717  {
1718  /*
1719  * If we're doing a restore, and it's direct to DB, and we're
1720  * connected then send it to the DB.
1721  */
1722  if (RestoringToDB(AH))
1723  bytes_written = ExecuteSqlCommandBuf(&AH->public, (const char *) ptr, size * nmemb);
1724  else
1725  bytes_written = fwrite(ptr, size, nmemb, AH->OF) * size;
1726  }
1727 
1728  if (bytes_written != size * nmemb)
1730 
1731  return;
1732 }
int remaining
Definition: informix.c:692
static int RestoringToDB(ArchiveHandle *AH)
int ExecuteSqlCommandBuf(Archive *AHX, const char *buf, size_t bufLen)
Definition: pg_backup_db.c:574
static void dump_lo_buf(ArchiveHandle *AH)
#define GZWRITE(p, s, n, fh)
CustomOutPtr CustomOutPtr
#define WRITE_ERROR_EXIT
bool checkSeek ( FILE *  fp)

Definition at line 3718 of file pg_backup_archiver.c.

References fseeko, ftello, and pgoff_t.

Referenced by InitArchiveFmt_Custom(), and InitArchiveFmt_Tar().

3719 {
3720  pgoff_t tpos;
3721 
3722  /*
3723  * If pgoff_t is wider than long, we must have "real" fseeko and not an
3724  * emulation using fseek. Otherwise report no seek capability.
3725  */
3726 #ifndef HAVE_FSEEKO
3727  if (sizeof(pgoff_t) > sizeof(long))
3728  return false;
3729 #endif
3730 
3731  /* Check that ftello works on this file */
3732  tpos = ftello(fp);
3733  if (tpos < 0)
3734  return false;
3735 
3736  /*
3737  * Check that fseeko(SEEK_SET) works, too. NB: we used to try to test
3738  * this with fseeko(fp, 0, SEEK_CUR). But some platforms treat that as a
3739  * successful no-op even on files that are otherwise unseekable.
3740  */
3741  if (fseeko(fp, tpos, SEEK_SET) != 0)
3742  return false;
3743 
3744  return true;
3745 }
#define fseeko(stream, offset, origin)
Definition: win32.h:247
#define pgoff_t
Definition: win32.h:241
#define ftello(stream)
Definition: win32.h:250
ArchiveHandle* CloneArchive ( ArchiveHandle AH)

Definition at line 4499 of file pg_backup_archiver.c.

References _doSetFixedOutputState(), appendConnStrVal(), appendPQExpBuffer(), archModeRead, Assert, _archiveHandle::ClonePtr, _archiveHandle::connCancel, ConnectDatabase(), _archiveHandle::connection, connstr, _archiveHandle::currSchema, _archiveHandle::currTablespace, _archiveHandle::currUser, _archiveHandle::currWithOids, PQExpBufferData::data, _restoreOptions::dbname, initPQExpBuffer(), _archiveHandle::mode, Archive::n_errors, NULL, pg_malloc(), pg_strdup(), _restoreOptions::pghost, pghost, _restoreOptions::pgport, pgport, PQdb(), PQhost(), PQport(), PQuser(), _restoreOptions::promptPassword, _archiveHandle::public, Archive::ropt, _archiveHandle::savedPassword, _archiveHandle::sqlparse, termPQExpBuffer(), TRI_NO, _restoreOptions::username, and username.

Referenced by RunWorker().

4500 {
4501  ArchiveHandle *clone;
4502 
4503  /* Make a "flat" copy */
4504  clone = (ArchiveHandle *) pg_malloc(sizeof(ArchiveHandle));
4505  memcpy(clone, AH, sizeof(ArchiveHandle));
4506 
4507  /* Handle format-independent fields */
4508  memset(&(clone->sqlparse), 0, sizeof(clone->sqlparse));
4509 
4510  /* The clone will have its own connection, so disregard connection state */
4511  clone->connection = NULL;
4512  clone->connCancel = NULL;
4513  clone->currUser = NULL;
4514  clone->currSchema = NULL;
4515  clone->currTablespace = NULL;
4516  clone->currWithOids = -1;
4517 
4518  /* savedPassword must be local in case we change it while connecting */
4519  if (clone->savedPassword)
4520  clone->savedPassword = pg_strdup(clone->savedPassword);
4521 
4522  /* clone has its own error count, too */
4523  clone->public.n_errors = 0;
4524 
4525  /*
4526  * Connect our new clone object to the database: In parallel restore the
4527  * parent is already disconnected, because we can connect the worker
4528  * processes independently to the database (no snapshot sync required). In
4529  * parallel backup we clone the parent's existing connection.
4530  */
4531  if (AH->mode == archModeRead)
4532  {
4533  RestoreOptions *ropt = AH->public.ropt;
4534 
4535  Assert(AH->connection == NULL);
4536 
4537  /* this also sets clone->connection */
4538  ConnectDatabase((Archive *) clone, ropt->dbname,
4539  ropt->pghost, ropt->pgport, ropt->username,
4540  ropt->promptPassword);
4541 
4542  /* re-establish fixed state */
4543  _doSetFixedOutputState(clone);
4544  }
4545  else
4546  {
4548  char *pghost;
4549  char *pgport;
4550  char *username;
4551 
4552  Assert(AH->connection != NULL);
4553 
4554  /*
4555  * Even though we are technically accessing the parent's database
4556  * object here, these functions are fine to be called like that
4557  * because all just return a pointer and do not actually send/receive
4558  * any data to/from the database.
4559  */
4560  initPQExpBuffer(&connstr);
4561  appendPQExpBuffer(&connstr, "dbname=");
4562  appendConnStrVal(&connstr, PQdb(AH->connection));
4563  pghost = PQhost(AH->connection);
4564  pgport = PQport(AH->connection);
4565  username = PQuser(AH->connection);
4566 
4567  /* this also sets clone->connection */
4568  ConnectDatabase((Archive *) clone, connstr.data,
4569  pghost, pgport, username, TRI_NO);
4570 
4571  termPQExpBuffer(&connstr);
4572  /* setupDumpWorker will fix up connection state */
4573  }
4574 
4575  /* Let the format-specific code have a chance too */
4576  (clone->ClonePtr) (clone);
4577 
4578  Assert(clone->connection != NULL);
4579  return clone;
4580 }
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
RestoreOptions * ropt
Definition: pg_backup.h:180
void termPQExpBuffer(PQExpBuffer str)
Definition: pqexpbuffer.c:128
char * username
Definition: pg_backup.h:110
void appendConnStrVal(PQExpBuffer buf, const char *str)
Definition: string_utils.c:536
char * PQport(const PGconn *conn)
Definition: fe-connect.c:5932
int n_errors
Definition: pg_backup.h:201
PGcancel *volatile connCancel
char * PQuser(const PGconn *conn)
Definition: fe-connect.c:5887
void appendPQExpBuffer(PQExpBuffer str, const char *fmt,...)
Definition: pqexpbuffer.c:262
char * pg_strdup(const char *in)
Definition: fe_memutils.c:85
static void _doSetFixedOutputState(ArchiveHandle *AH)
sqlparseInfo sqlparse
char * pghost
Definition: pgbench.c:180
static char * username
Definition: initdb.c:130
char * PQhost(const PGconn *conn)
Definition: fe-connect.c:5912
char * PQdb(const PGconn *conn)
Definition: fe-connect.c:5879
#define NULL
Definition: c.h:229
#define Assert(condition)
Definition: c.h:675
char * pgport
Definition: pgbench.c:181
void initPQExpBuffer(PQExpBuffer str)
Definition: pqexpbuffer.c:89
void ConnectDatabase(Archive *AH, const char *dbname, const char *pghost, const char *pgport, const char *username, trivalue prompt_password)
Definition: pg_backup_db.c:248
static char * connstr
Definition: pg_dumpall.c:64
trivalue promptPassword
Definition: pg_backup.h:112
void DeCloneArchive ( ArchiveHandle AH)

Definition at line 4588 of file pg_backup_archiver.c.

References Assert, _archiveHandle::connection, sqlparseInfo::curCmd, _archiveHandle::currSchema, _archiveHandle::currTablespace, _archiveHandle::currUser, _archiveHandle::DeClonePtr, destroyPQExpBuffer(), free, NULL, _archiveHandle::savedPassword, and _archiveHandle::sqlparse.

Referenced by RunWorker().

4589 {
4590  /* Should not have an open database connection */
4591  Assert(AH->connection == NULL);
4592 
4593  /* Clear format-specific state */
4594  (AH->DeClonePtr) (AH);
4595 
4596  /* Clear state allocated by CloneArchive */
4597  if (AH->sqlparse.curCmd)
4599 
4600  /* Clear any connection-local state */
4601  if (AH->currUser)
4602  free(AH->currUser);
4603  if (AH->currSchema)
4604  free(AH->currSchema);
4605  if (AH->currTablespace)
4606  free(AH->currTablespace);
4607  if (AH->savedPassword)
4608  free(AH->savedPassword);
4609 
4610  free(AH);
4611 }
PQExpBuffer curCmd
void destroyPQExpBuffer(PQExpBuffer str)
Definition: pqexpbuffer.c:113
sqlparseInfo sqlparse
#define free(a)
Definition: header.h:65
#define NULL
Definition: c.h:229
#define Assert(condition)
Definition: c.h:675
void DropBlobIfExists ( ArchiveHandle AH,
Oid  oid 
)

Definition at line 674 of file pg_backup_db.c.

References ahprintf(), _archiveHandle::connection, NULL, and PQserverVersion().

Referenced by _StartBlob(), RestoreArchive(), and StartRestoreBlob().

675 {
676  /*
677  * If we are not restoring to a direct database connection, we have to
678  * guess about how to detect whether the blob exists. Assume new-style.
679  */
680  if (AH->connection == NULL ||
681  PQserverVersion(AH->connection) >= 90000)
682  {
683  ahprintf(AH,
684  "SELECT pg_catalog.lo_unlink(oid) "
685  "FROM pg_catalog.pg_largeobject_metadata "
686  "WHERE oid = '%u';\n",
687  oid);
688  }
689  else
690  {
691  /* Restoring to pre-9.0 server, so do it the old way */
692  ahprintf(AH,
693  "SELECT CASE WHEN EXISTS("
694  "SELECT 1 FROM pg_catalog.pg_largeobject WHERE loid = '%u'"
695  ") THEN pg_catalog.lo_unlink('%u') END;\n",
696  oid, oid);
697  }
698 }
int PQserverVersion(const PGconn *conn)
Definition: fe-connect.c:6001
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
#define NULL
Definition: c.h:229
void EndRestoreBlob ( ArchiveHandle AH,
Oid  oid 
)

Definition at line 1323 of file pg_backup_archiver.c.

References ahprintf(), _archiveHandle::connection, dump_lo_buf(), _archiveHandle::lo_buf_used, lo_close(), _archiveHandle::loFd, and _archiveHandle::writingBlob.

Referenced by _LoadBlobs().

1324 {
1325  if (AH->lo_buf_used > 0)
1326  {
1327  /* Write remaining bytes from the LO buffer */
1328  dump_lo_buf(AH);
1329  }
1330 
1331  AH->writingBlob = 0;
1332 
1333  if (AH->connection)
1334  {
1335  lo_close(AH->connection, AH->loFd);
1336  AH->loFd = -1;
1337  }
1338  else
1339  {
1340  ahprintf(AH, "SELECT pg_catalog.lo_close(0);\n\n");
1341  }
1342 }
int lo_close(PGconn *conn, int fd)
Definition: fe-lobj.c:100
static void dump_lo_buf(ArchiveHandle *AH)
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
void EndRestoreBlobs ( ArchiveHandle AH)

Definition at line 1256 of file pg_backup_archiver.c.

References ahlog(), ahprintf(), _archiveHandle::blobCount, CommitTransaction(), _archiveHandle::connection, ngettext, _archiveHandle::public, Archive::ropt, and _restoreOptions::single_txn.

Referenced by _LoadBlobs().

1257 {
1258  RestoreOptions *ropt = AH->public.ropt;
1259 
1260  if (!ropt->single_txn)
1261  {
1262  if (AH->connection)
1263  CommitTransaction(&AH->public);
1264  else
1265  ahprintf(AH, "COMMIT;\n\n");
1266  }
1267 
1268  ahlog(AH, 1, ngettext("restored %d large object\n",
1269  "restored %d large objects\n",
1270  AH->blobCount),
1271  AH->blobCount);
1272 }
RestoreOptions * ropt
Definition: pg_backup.h:180
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
#define ngettext(s, p, n)
Definition: c.h:127
void ahlog(ArchiveHandle *AH, int level, const char *fmt,...)
static void CommitTransaction(void)
Definition: xact.c:1940
TocEntry* getTocEntryByDumpId ( ArchiveHandle AH,
DumpId  id 
)

Definition at line 1867 of file pg_backup_archiver.c.

References buildTocEntryArrays(), NULL, and _archiveHandle::tocsByDumpId.

Referenced by parseWorkerCommand(), SortTocFromFile(), and TocIDRequired().

1868 {
1869  /* build index arrays if we didn't already */
1870  if (AH->tocsByDumpId == NULL)
1871  buildTocEntryArrays(AH);
1872 
1873  if (id > 0 && id <= AH->maxDumpId)
1874  return AH->tocsByDumpId[id];
1875 
1876  return NULL;
1877 }
static void buildTocEntryArrays(ArchiveHandle *AH)
#define NULL
Definition: c.h:229
struct _tocEntry ** tocsByDumpId
void InitArchiveFmt_Custom ( ArchiveHandle AH)

Definition at line 108 of file pg_backup_custom.c.

References _ArchiveEntry(), _Clone(), _CloseArchive(), _DeClone(), _EndBlob(), _EndBlobs(), _EndData(), _getFilePos(), _PrintExtraToc(), _PrintTocData(), _ReadBuf(), _ReadByte(), _ReadExtraToc(), _ReopenArchive(), _StartBlob(), _StartBlobs(), _StartData(), _WorkerJobRestoreCustom(), _WriteBuf(), _WriteByte(), _WriteData(), _WriteExtraToc(), _archiveHandle::ArchiveEntryPtr, archModeWrite, checkSeek(), _archiveHandle::ClonePtr, _archiveHandle::ClosePtr, lclContext::dataStart, _archiveHandle::DeClonePtr, _archiveHandle::EndBlobPtr, _archiveHandle::EndBlobsPtr, _archiveHandle::EndDataPtr, exit_horribly(), _archiveHandle::FH, lclContext::filePos, _archiveHandle::formatData, _archiveHandle::fSpec, lclContext::hasSeek, _archiveHandle::lo_buf, _archiveHandle::lo_buf_size, LOBBUFSIZE, _archiveHandle::mode, modulename, NULL, PG_BINARY_R, PG_BINARY_W, pg_malloc(), pg_malloc0(), _archiveHandle::PrintExtraTocPtr, _archiveHandle::PrintTocDataPtr, _archiveHandle::ReadBufPtr, _archiveHandle::ReadBytePtr, _archiveHandle::ReadExtraTocPtr, ReadHead(), ReadToc(), _archiveHandle::ReopenPtr, _archiveHandle::StartBlobPtr, _archiveHandle::StartBlobsPtr, _archiveHandle::StartDataPtr, strerror(), _archiveHandle::WorkerJobDumpPtr, _archiveHandle::WorkerJobRestorePtr, _archiveHandle::WriteBufPtr, _archiveHandle::WriteBytePtr, _archiveHandle::WriteDataPtr, and _archiveHandle::WriteExtraTocPtr.

Referenced by _allocAH().

109 {
110  lclContext *ctx;
111 
112  /* Assuming static functions, this can be copied for each format. */
114  AH->StartDataPtr = _StartData;
115  AH->WriteDataPtr = _WriteData;
116  AH->EndDataPtr = _EndData;
117  AH->WriteBytePtr = _WriteByte;
118  AH->ReadBytePtr = _ReadByte;
119  AH->WriteBufPtr = _WriteBuf;
120  AH->ReadBufPtr = _ReadBuf;
121  AH->ClosePtr = _CloseArchive;
127 
129  AH->StartBlobPtr = _StartBlob;
130  AH->EndBlobPtr = _EndBlob;
131  AH->EndBlobsPtr = _EndBlobs;
132  AH->ClonePtr = _Clone;
133  AH->DeClonePtr = _DeClone;
134 
135  /* no parallel dump in the custom archive, only parallel restore */
136  AH->WorkerJobDumpPtr = NULL;
138 
139  /* Set up a private area. */
140  ctx = (lclContext *) pg_malloc0(sizeof(lclContext));
141  AH->formatData = (void *) ctx;
142 
143  /* Initialize LO buffering */
144  AH->lo_buf_size = LOBBUFSIZE;
145  AH->lo_buf = (void *) pg_malloc(LOBBUFSIZE);
146 
147  ctx->filePos = 0;
148 
149  /*
150  * Now open the file
151  */
152  if (AH->mode == archModeWrite)
153  {
154  if (AH->fSpec && strcmp(AH->fSpec, "") != 0)
155  {
156  AH->FH = fopen(AH->fSpec, PG_BINARY_W);
157  if (!AH->FH)
158  exit_horribly(modulename, "could not open output file \"%s\": %s\n",
159  AH->fSpec, strerror(errno));
160  }
161  else
162  {
163  AH->FH = stdout;
164  if (!AH->FH)
165  exit_horribly(modulename, "could not open output file: %s\n",
166  strerror(errno));
167  }
168 
169  ctx->hasSeek = checkSeek(AH->FH);
170  }
171  else
172  {
173  if (AH->fSpec && strcmp(AH->fSpec, "") != 0)
174  {
175  AH->FH = fopen(AH->fSpec, PG_BINARY_R);
176  if (!AH->FH)
177  exit_horribly(modulename, "could not open input file \"%s\": %s\n",
178  AH->fSpec, strerror(errno));
179  }
180  else
181  {
182  AH->FH = stdin;
183  if (!AH->FH)
184  exit_horribly(modulename, "could not open input file: %s\n",
185  strerror(errno));
186  }
187 
188  ctx->hasSeek = checkSeek(AH->FH);
189 
190  ReadHead(AH);
191  ReadToc(AH);
192  ctx->dataStart = _getFilePos(AH, ctx);
193  }
194 
195 }
static void _ReopenArchive(ArchiveHandle *AH)
void ReadToc(ArchiveHandle *AH)
StartBlobsPtr StartBlobsPtr
void ReadHead(ArchiveHandle *AH)
static void _Clone(ArchiveHandle *AH)
static void _StartData(ArchiveHandle *AH, TocEntry *te)
static void _WriteBuf(ArchiveHandle *AH, const void *buf, size_t len)
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
PrintTocDataPtr PrintTocDataPtr
static void _ReadBuf(ArchiveHandle *AH, void *buf, size_t len)
static void _PrintExtraToc(ArchiveHandle *AH, TocEntry *te)
static void _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
WorkerJobDumpPtr WorkerJobDumpPtr
static int _WorkerJobRestoreCustom(ArchiveHandle *AH, TocEntry *te)
WriteBufPtr WriteBufPtr
WriteExtraTocPtr WriteExtraTocPtr
#define PG_BINARY_W
Definition: c.h:1041
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
static void _CloseArchive(ArchiveHandle *AH)
#define PG_BINARY_R
Definition: c.h:1040
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
void * pg_malloc0(size_t size)
Definition: fe_memutils.c:53
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
PrintExtraTocPtr PrintExtraTocPtr
WriteBytePtr WriteBytePtr
WorkerJobRestorePtr WorkerJobRestorePtr
ArchiveEntryPtr ArchiveEntryPtr
ReadBytePtr ReadBytePtr
static void _EndData(ArchiveHandle *AH, TocEntry *te)
static void _ReadExtraToc(ArchiveHandle *AH, TocEntry *te)
static int _ReadByte(ArchiveHandle *)
static const char * modulename
#define NULL
Definition: c.h:229
static pgoff_t _getFilePos(ArchiveHandle *AH, lclContext *ctx)
static void _ArchiveEntry(ArchiveHandle *AH, TocEntry *te)
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
WriteDataPtr WriteDataPtr
void exit_horribly(const char *modulename, const char *fmt,...)
pgoff_t dataStart
StartDataPtr StartDataPtr
EndBlobsPtr EndBlobsPtr
const char * strerror(int errnum)
Definition: strerror.c:19
static void _DeClone(ArchiveHandle *AH)
bool checkSeek(FILE *fp)
pgoff_t filePos
static int _WriteByte(ArchiveHandle *AH, const int i)
ReadExtraTocPtr ReadExtraTocPtr
#define LOBBUFSIZE
static void _WriteExtraToc(ArchiveHandle *AH, TocEntry *te)
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
StartBlobPtr StartBlobPtr
void InitArchiveFmt_Directory ( ArchiveHandle AH)

Definition at line 110 of file pg_backup_directory.c.

References _ArchiveEntry(), _Clone(), _CloseArchive(), _DeClone(), _EndBlob(), _EndBlobs(), _EndData(), _PrintExtraToc(), _PrintTocData(), _ReadBuf(), _ReadByte(), _ReadExtraToc(), _ReopenArchive(), _StartBlob(), _StartBlobs(), _StartData(), _WorkerJobDumpDirectory(), _WorkerJobRestoreDirectory(), _WriteBuf(), _WriteByte(), _WriteData(), _WriteExtraToc(), archDirectory, _archiveHandle::ArchiveEntryPtr, archModeWrite, archTar, lclContext::blobsTocFH, cfclose(), cfopen_read(), _archiveHandle::ClonePtr, closedir(), _archiveHandle::ClosePtr, dirent::d_name, lclContext::dataFH, _archiveHandle::DeClonePtr, lclContext::directory, _archiveHandle::EndBlobPtr, _archiveHandle::EndBlobsPtr, _archiveHandle::EndDataPtr, exit_horribly(), _archiveHandle::format, _archiveHandle::formatData, _archiveHandle::fSpec, _archiveHandle::lo_buf, _archiveHandle::lo_buf_size, LOBBUFSIZE, MAXPGPATH, mkdir, _archiveHandle::mode, modulename, NULL, opendir(), PG_BINARY_R, pg_malloc(), pg_malloc0(), _archiveHandle::PrintExtraTocPtr, _archiveHandle::PrintTocDataPtr, _archiveHandle::ReadBufPtr, _archiveHandle::ReadBytePtr, readdir(), _archiveHandle::ReadExtraTocPtr, ReadHead(), ReadToc(), _archiveHandle::ReopenPtr, setFilePath(), _archiveHandle::StartBlobPtr, _archiveHandle::StartBlobsPtr, _archiveHandle::StartDataPtr, strerror(), _archiveHandle::WorkerJobDumpPtr, _archiveHandle::WorkerJobRestorePtr, _archiveHandle::WriteBufPtr, _archiveHandle::WriteBytePtr, _archiveHandle::WriteDataPtr, and _archiveHandle::WriteExtraTocPtr.

Referenced by _allocAH().

111 {
112  lclContext *ctx;
113 
114  /* Assuming static functions, this can be copied for each format. */
116  AH->StartDataPtr = _StartData;
117  AH->WriteDataPtr = _WriteData;
118  AH->EndDataPtr = _EndData;
119  AH->WriteBytePtr = _WriteByte;
120  AH->ReadBytePtr = _ReadByte;
121  AH->WriteBufPtr = _WriteBuf;
122  AH->ReadBufPtr = _ReadBuf;
123  AH->ClosePtr = _CloseArchive;
129 
131  AH->StartBlobPtr = _StartBlob;
132  AH->EndBlobPtr = _EndBlob;
133  AH->EndBlobsPtr = _EndBlobs;
134 
135  AH->ClonePtr = _Clone;
136  AH->DeClonePtr = _DeClone;
137 
140 
141  /* Set up our private context */
142  ctx = (lclContext *) pg_malloc0(sizeof(lclContext));
143  AH->formatData = (void *) ctx;
144 
145  ctx->dataFH = NULL;
146  ctx->blobsTocFH = NULL;
147 
148  /* Initialize LO buffering */
149  AH->lo_buf_size = LOBBUFSIZE;
150  AH->lo_buf = (void *) pg_malloc(LOBBUFSIZE);
151 
152  /*
153  * Now open the TOC file
154  */
155 
156  if (!AH->fSpec || strcmp(AH->fSpec, "") == 0)
157  exit_horribly(modulename, "no output directory specified\n");
158 
159  ctx->directory = AH->fSpec;
160 
161  if (AH->mode == archModeWrite)
162  {
163  struct stat st;
164  bool is_empty = false;
165 
166  /* we accept an empty existing directory */
167  if (stat(ctx->directory, &st) == 0 && S_ISDIR(st.st_mode))
168  {
169  DIR *dir = opendir(ctx->directory);
170 
171  if (dir)
172  {
173  struct dirent *d;
174 
175  is_empty = true;
176  while (errno = 0, (d = readdir(dir)))
177  {
178  if (strcmp(d->d_name, ".") != 0 && strcmp(d->d_name, "..") != 0)
179  {
180  is_empty = false;
181  break;
182  }
183  }
184 
185  if (errno)
186  exit_horribly(modulename, "could not read directory \"%s\": %s\n",
187  ctx->directory, strerror(errno));
188 
189  if (closedir(dir))
190  exit_horribly(modulename, "could not close directory \"%s\": %s\n",
191  ctx->directory, strerror(errno));
192  }
193  }
194 
195  if (!is_empty && mkdir(ctx->directory, 0700) < 0)
196  exit_horribly(modulename, "could not create directory \"%s\": %s\n",
197  ctx->directory, strerror(errno));
198  }
199  else
200  { /* Read Mode */
201  char fname[MAXPGPATH];
202  cfp *tocFH;
203 
204  setFilePath(AH, fname, "toc.dat");
205 
206  tocFH = cfopen_read(fname, PG_BINARY_R);
207  if (tocFH == NULL)
209  "could not open input file \"%s\": %s\n",
210  fname, strerror(errno));
211 
212  ctx->dataFH = tocFH;
213 
214  /*
215  * The TOC of a directory format dump shares the format code of the
216  * tar format.
217  */
218  AH->format = archTar;
219  ReadHead(AH);
220  AH->format = archDirectory;
221  ReadToc(AH);
222 
223  /* Nothing else in the file, so close it again... */
224  if (cfclose(tocFH) != 0)
225  exit_horribly(modulename, "could not close TOC file: %s\n",
226  strerror(errno));
227  ctx->dataFH = NULL;
228  }
229 }
static void _StartData(ArchiveHandle *AH, TocEntry *te)
void ReadToc(ArchiveHandle *AH)
StartBlobsPtr StartBlobsPtr
void ReadHead(ArchiveHandle *AH)
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
PrintTocDataPtr PrintTocDataPtr
static int _WorkerJobRestoreDirectory(ArchiveHandle *AH, TocEntry *te)
static void _WriteBuf(ArchiveHandle *AH, const void *buf, size_t len)
static int _WriteByte(ArchiveHandle *AH, const int i)
static void _ArchiveEntry(ArchiveHandle *AH, TocEntry *te)
#define mkdir(a, b)
Definition: win32.h:65
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
WorkerJobDumpPtr WorkerJobDumpPtr
static void setFilePath(ArchiveHandle *AH, char *buf, const char *relativeFilename)
WriteBufPtr WriteBufPtr
WriteExtraTocPtr WriteExtraTocPtr
int closedir(DIR *)
Definition: dirent.c:113
static void _EndData(ArchiveHandle *AH, TocEntry *te)
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
static const char * modulename
int cfclose(cfp *fp)
Definition: compress_io.c:661
Definition: dirent.h:9
#define PG_BINARY_R
Definition: c.h:1040
static void _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
static void _ReadExtraToc(ArchiveHandle *AH, TocEntry *te)
static void _PrintExtraToc(ArchiveHandle *AH, TocEntry *te)
Definition: dirent.c:25
void * pg_malloc0(size_t size)
Definition: fe_memutils.c:53
#define MAXPGPATH
PrintExtraTocPtr PrintExtraTocPtr
DIR * opendir(const char *)
Definition: dirent.c:33
WriteBytePtr WriteBytePtr
static void _Clone(ArchiveHandle *AH)
WorkerJobRestorePtr WorkerJobRestorePtr
ArchiveEntryPtr ArchiveEntryPtr
ReadBytePtr ReadBytePtr
ArchiveFormat format
static void _ReadBuf(ArchiveHandle *AH, void *buf, size_t len)
static void _DeClone(ArchiveHandle *AH)
static int _ReadByte(ArchiveHandle *)
#define NULL
Definition: c.h:229
WriteDataPtr WriteDataPtr
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
struct dirent * readdir(DIR *)
Definition: dirent.c:78
void exit_horribly(const char *modulename, const char *fmt,...)
static void _CloseArchive(ArchiveHandle *AH)
StartDataPtr StartDataPtr
EndBlobsPtr EndBlobsPtr
cfp * cfopen_read(const char *path, const char *mode)
Definition: compress_io.c:467
const char * strerror(int errnum)
Definition: strerror.c:19
static int _WorkerJobDumpDirectory(ArchiveHandle *AH, TocEntry *te)
static void _ReopenArchive(ArchiveHandle *AH)
char d_name[MAX_PATH]
Definition: dirent.h:14
static void _WriteExtraToc(ArchiveHandle *AH, TocEntry *te)
ReadExtraTocPtr ReadExtraTocPtr
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
#define LOBBUFSIZE
StartBlobPtr StartBlobPtr
void InitArchiveFmt_Null ( ArchiveHandle AH)

Definition at line 49 of file pg_backup_null.c.

References _CloseArchive(), _EndBlob(), _EndBlobs(), _EndData(), _PrintTocData(), _StartBlob(), _StartBlobs(), _WriteBuf(), _WriteByte(), _WriteData(), archModeRead, _archiveHandle::ClonePtr, _archiveHandle::ClosePtr, _archiveHandle::DeClonePtr, _archiveHandle::EndBlobPtr, _archiveHandle::EndBlobsPtr, _archiveHandle::EndDataPtr, exit_horribly(), _archiveHandle::lo_buf, _archiveHandle::lo_buf_size, LOBBUFSIZE, _archiveHandle::mode, NULL, pg_malloc(), _archiveHandle::PrintTocDataPtr, _archiveHandle::ReopenPtr, _archiveHandle::StartBlobPtr, _archiveHandle::StartBlobsPtr, _archiveHandle::WriteBufPtr, _archiveHandle::WriteBytePtr, and _archiveHandle::WriteDataPtr.

Referenced by _allocAH().

50 {
51  /* Assuming static functions, this can be copied for each format. */
53  AH->EndDataPtr = _EndData;
55  AH->WriteBufPtr = _WriteBuf;
56  AH->ClosePtr = _CloseArchive;
57  AH->ReopenPtr = NULL;
59 
62  AH->EndBlobPtr = _EndBlob;
63  AH->EndBlobsPtr = _EndBlobs;
64  AH->ClonePtr = NULL;
65  AH->DeClonePtr = NULL;
66 
67  /* Initialize LO buffering */
68  AH->lo_buf_size = LOBBUFSIZE;
69  AH->lo_buf = (void *) pg_malloc(LOBBUFSIZE);
70 
71  /*
72  * Now prevent reading...
73  */
74  if (AH->mode == archModeRead)
75  exit_horribly(NULL, "this format cannot be read\n");
76 }
StartBlobsPtr StartBlobsPtr
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
PrintTocDataPtr PrintTocDataPtr
WriteBufPtr WriteBufPtr
static void _CloseArchive(ArchiveHandle *AH)
WriteBytePtr WriteBytePtr
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
static void _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
#define NULL
Definition: c.h:229
static void _EndData(ArchiveHandle *AH, TocEntry *te)
static int _WriteByte(ArchiveHandle *AH, const int i)
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
WriteDataPtr WriteDataPtr
void exit_horribly(const char *modulename, const char *fmt,...)
EndBlobsPtr EndBlobsPtr
static void _WriteBuf(ArchiveHandle *AH, const void *buf, size_t len)
#define LOBBUFSIZE
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
StartBlobPtr StartBlobPtr
void InitArchiveFmt_Tar ( ArchiveHandle AH)

Definition at line 129 of file pg_backup_tar.c.

References _ArchiveEntry(), _CloseArchive(), _EndBlob(), _EndBlobs(), _EndData(), _PrintExtraToc(), _PrintTocData(), _ReadBuf(), _ReadByte(), _ReadExtraToc(), _StartBlob(), _StartBlobs(), _StartData(), _WriteBuf(), _WriteByte(), _WriteData(), _WriteExtraToc(), archModeWrite, checkSeek(), exit_horribly(), lclContext::FH, lclContext::filePos, lclContext::hasSeek, lclContext::isSpecialScript, LOBBUFSIZE, modulename, NULL, PG_BINARY_R, PG_BINARY_W, pg_malloc(), pg_malloc0(), ReadHead(), ReadToc(), strerror(), tarClose(), lclContext::tarFH, lclContext::tarFHpos, and tarOpen().

Referenced by _allocAH().

130 {
131  lclContext *ctx;
132 
133  /* Assuming static functions, this can be copied for each format. */
135  AH->StartDataPtr = _StartData;
136  AH->WriteDataPtr = _WriteData;
137  AH->EndDataPtr = _EndData;
138  AH->WriteBytePtr = _WriteByte;
139  AH->ReadBytePtr = _ReadByte;
140  AH->WriteBufPtr = _WriteBuf;
141  AH->ReadBufPtr = _ReadBuf;
142  AH->ClosePtr = _CloseArchive;
143  AH->ReopenPtr = NULL;
148 
150  AH->StartBlobPtr = _StartBlob;
151  AH->EndBlobPtr = _EndBlob;
152  AH->EndBlobsPtr = _EndBlobs;
153  AH->ClonePtr = NULL;
154  AH->DeClonePtr = NULL;
155 
156  AH->WorkerJobDumpPtr = NULL;
158 
159  /*
160  * Set up some special context used in compressing data.
161  */
162  ctx = (lclContext *) pg_malloc0(sizeof(lclContext));
163  AH->formatData = (void *) ctx;
164  ctx->filePos = 0;
165  ctx->isSpecialScript = 0;
166 
167  /* Initialize LO buffering */
168  AH->lo_buf_size = LOBBUFSIZE;
169  AH->lo_buf = (void *) pg_malloc(LOBBUFSIZE);
170 
171  /*
172  * Now open the tar file, and load the TOC if we're in read mode.
173  */
174  if (AH->mode == archModeWrite)
175  {
176  if (AH->fSpec && strcmp(AH->fSpec, "") != 0)
177  {
178  ctx->tarFH = fopen(AH->fSpec, PG_BINARY_W);
179  if (ctx->tarFH == NULL)
181  "could not open TOC file \"%s\" for output: %s\n",
182  AH->fSpec, strerror(errno));
183  }
184  else
185  {
186  ctx->tarFH = stdout;
187  if (ctx->tarFH == NULL)
189  "could not open TOC file for output: %s\n",
190  strerror(errno));
191  }
192 
193  ctx->tarFHpos = 0;
194 
195  /*
196  * Make unbuffered since we will dup() it, and the buffers screw each
197  * other
198  */
199  /* setvbuf(ctx->tarFH, NULL, _IONBF, 0); */
200 
201  ctx->hasSeek = checkSeek(ctx->tarFH);
202 
203  /*
204  * We don't support compression because reading the files back is not
205  * possible since gzdopen uses buffered IO which totally screws file
206  * positioning.
207  */
208  if (AH->compression != 0)
210  "compression is not supported by tar archive format\n");
211  }
212  else
213  { /* Read Mode */
214  if (AH->fSpec && strcmp(AH->fSpec, "") != 0)
215  {
216  ctx->tarFH = fopen(AH->fSpec, PG_BINARY_R);
217  if (ctx->tarFH == NULL)
218  exit_horribly(modulename, "could not open TOC file \"%s\" for input: %s\n",
219  AH->fSpec, strerror(errno));
220  }
221  else
222  {
223  ctx->tarFH = stdin;
224  if (ctx->tarFH == NULL)
225  exit_horribly(modulename, "could not open TOC file for input: %s\n",
226  strerror(errno));
227  }
228 
229  /*
230  * Make unbuffered since we will dup() it, and the buffers screw each
231  * other
232  */
233  /* setvbuf(ctx->tarFH, NULL, _IONBF, 0); */
234 
235  ctx->tarFHpos = 0;
236 
237  ctx->hasSeek = checkSeek(ctx->tarFH);
238 
239  /*
240  * Forcibly unmark the header as read since we use the lookahead
241  * buffer
242  */
243  AH->readHeader = 0;
244 
245  ctx->FH = (void *) tarOpen(AH, "toc.dat", 'r');
246  ReadHead(AH);
247  ReadToc(AH);
248  tarClose(AH, ctx->FH); /* Nothing else in the file... */
249  }
250 }
TAR_MEMBER * FH
Definition: pg_backup_tar.c:91
void ReadToc(ArchiveHandle *AH)
static void _StartData(ArchiveHandle *AH, TocEntry *te)
StartBlobsPtr StartBlobsPtr
void ReadHead(ArchiveHandle *AH)
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
static TAR_MEMBER * tarOpen(ArchiveHandle *AH, const char *filename, char mode)
PrintTocDataPtr PrintTocDataPtr
pgoff_t tarFHpos
Definition: pg_backup_tar.c:89
WorkerJobDumpPtr WorkerJobDumpPtr
WriteBufPtr WriteBufPtr
WriteExtraTocPtr WriteExtraTocPtr
#define PG_BINARY_W
Definition: c.h:1041
static void _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
#define PG_BINARY_R
Definition: c.h:1040
int isSpecialScript
Definition: pg_backup_tar.c:92
void * pg_malloc0(size_t size)
Definition: fe_memutils.c:53
PrintExtraTocPtr PrintExtraTocPtr
FILE * tarFH
Definition: pg_backup_tar.c:88
WriteBytePtr WriteBytePtr
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
static void _WriteBuf(ArchiveHandle *AH, const void *buf, size_t len)
WorkerJobRestorePtr WorkerJobRestorePtr
ArchiveEntryPtr ArchiveEntryPtr
ReadBytePtr ReadBytePtr
static void tarClose(ArchiveHandle *AH, TAR_MEMBER *TH)
static void _PrintExtraToc(ArchiveHandle *AH, TocEntry *te)
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
static const char * modulename
#define NULL
Definition: c.h:229
static void _EndData(ArchiveHandle *AH, TocEntry *te)
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
WriteDataPtr WriteDataPtr
static void _ArchiveEntry(ArchiveHandle *AH, TocEntry *te)
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
void exit_horribly(const char *modulename, const char *fmt,...)
StartDataPtr StartDataPtr
static void _CloseArchive(ArchiveHandle *AH)
EndBlobsPtr EndBlobsPtr
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
const char * strerror(int errnum)
Definition: strerror.c:19
bool checkSeek(FILE *fp)
static void _ReadBuf(ArchiveHandle *AH, void *buf, size_t len)
static void _WriteExtraToc(ArchiveHandle *AH, TocEntry *te)
pgoff_t filePos
static int _ReadByte(ArchiveHandle *)
ReadExtraTocPtr ReadExtraTocPtr
#define LOBBUFSIZE
static int _WriteByte(ArchiveHandle *AH, const int i)
static void _ReadExtraToc(ArchiveHandle *AH, TocEntry *te)
StartBlobPtr StartBlobPtr
bool isValidTarHeader ( char *  header)

Definition at line 1047 of file pg_backup_tar.c.

References read_tar_number(), and tarChecksum().

Referenced by _discoverArchiveFormat().

1048 {
1049  int sum;
1050  int chk = tarChecksum(header);
1051 
1052  sum = read_tar_number(&header[148], 8);
1053 
1054  if (sum != chk)
1055  return false;
1056 
1057  /* POSIX tar format */
1058  if (memcmp(&header[257], "ustar\0", 6) == 0 &&
1059  memcmp(&header[263], "00", 2) == 0)
1060  return true;
1061  /* GNU tar format */
1062  if (memcmp(&header[257], "ustar \0", 8) == 0)
1063  return true;
1064  /* not-quite-POSIX format written by pre-9.3 pg_dump */
1065  if (memcmp(&header[257], "ustar00\0", 8) == 0)
1066  return true;
1067 
1068  return false;
1069 }
uint64 read_tar_number(const char *s, int len)
Definition: tar.c:56
int tarChecksum(char *header)
Definition: tar.c:88
static void header(const char *fmt,...) pg_attribute_printf(1
Definition: pg_regress.c:207
void on_exit_close_archive ( Archive AHX)

Definition at line 345 of file parallel.c.

References ShutdownInformation::AHX, archive_close_connection(), and on_exit_nicely().

Referenced by main().

346 {
347  shutdown_info.AHX = AHX;
349 }
void on_exit_nicely(on_exit_nicely_callback function, void *arg)
static ShutdownInformation shutdown_info
Definition: parallel.c:148
static void archive_close_connection(int code, void *arg)
Definition: parallel.c:356
int parallel_restore ( ArchiveHandle AH,
TocEntry te 
)

Definition at line 4164 of file pg_backup_archiver.c.

References Assert, _archiveHandle::connection, Archive::n_errors, NULL, _archiveHandle::public, restore_toc_entry(), and status().

Referenced by _WorkerJobRestoreCustom(), and _WorkerJobRestoreDirectory().

4165 {
4166  int status;
4167 
4168  Assert(AH->connection != NULL);
4169 
4170  /* Count only errors associated with this TOC entry */
4171  AH->public.n_errors = 0;
4172 
4173  /* Restore the TOC item */
4174  status = restore_toc_entry(AH, te, true);
4175 
4176  return status;
4177 }
int n_errors
Definition: pg_backup.h:201
static int restore_toc_entry(ArchiveHandle *AH, TocEntry *te, bool is_parallel)
#define NULL
Definition: c.h:229
#define Assert(condition)
Definition: c.h:675
static void static void status(const char *fmt,...) pg_attribute_printf(1
Definition: pg_regress.c:224
void ReadHead ( ArchiveHandle AH)

Definition at line 3615 of file pg_backup_archiver.c.

References _archiveHandle::archdbname, _archiveHandle::archiveDumpVersion, _archiveHandle::archiveRemoteVersion, _archiveHandle::compression, _archiveHandle::createDate, exit_horribly(), _archiveHandle::format, _archiveHandle::intSize, K_VERS_1_0, K_VERS_1_10, K_VERS_1_2, K_VERS_1_4, K_VERS_1_7, K_VERS_MAX, MAKE_ARCHIVE_VERSION, modulename, _archiveHandle::offSize, _archiveHandle::ReadBufPtr, _archiveHandle::ReadBytePtr, _archiveHandle::readHeader, ReadInt(), ReadStr(), tm, _archiveHandle::version, write_msg(), and Z_DEFAULT_COMPRESSION.

Referenced by InitArchiveFmt_Custom(), InitArchiveFmt_Directory(), and InitArchiveFmt_Tar().

3616 {
3617  char tmpMag[7];
3618  int fmt;
3619  struct tm crtm;
3620 
3621  /*
3622  * If we haven't already read the header, do so.
3623  *
3624  * NB: this code must agree with _discoverArchiveFormat(). Maybe find a
3625  * way to unify the cases?
3626  */
3627  if (!AH->readHeader)
3628  {
3629  char vmaj,
3630  vmin,
3631  vrev;
3632 
3633  (*AH->ReadBufPtr) (AH, tmpMag, 5);
3634 
3635  if (strncmp(tmpMag, "PGDMP", 5) != 0)
3636  exit_horribly(modulename, "did not find magic string in file header\n");
3637 
3638  vmaj = (*AH->ReadBytePtr) (AH);
3639  vmin = (*AH->ReadBytePtr) (AH);
3640 
3641  if (vmaj > 1 || (vmaj == 1 && vmin > 0)) /* Version > 1.0 */
3642  vrev = (*AH->ReadBytePtr) (AH);
3643  else
3644  vrev = 0;
3645 
3646  AH->version = MAKE_ARCHIVE_VERSION(vmaj, vmin, vrev);
3647 
3648  if (AH->version < K_VERS_1_0 || AH->version > K_VERS_MAX)
3649  exit_horribly(modulename, "unsupported version (%d.%d) in file header\n",
3650  vmaj, vmin);
3651 
3652  AH->intSize = (*AH->ReadBytePtr) (AH);
3653  if (AH->intSize > 32)
3654  exit_horribly(modulename, "sanity check on integer size (%lu) failed\n",
3655  (unsigned long) AH->intSize);
3656 
3657  if (AH->intSize > sizeof(int))
3658  write_msg(modulename, "WARNING: archive was made on a machine with larger integers, some operations might fail\n");
3659 
3660  if (AH->version >= K_VERS_1_7)
3661  AH->offSize = (*AH->ReadBytePtr) (AH);
3662  else
3663  AH->offSize = AH->intSize;
3664 
3665  fmt = (*AH->ReadBytePtr) (AH);
3666 
3667  if (AH->format != fmt)
3668  exit_horribly(modulename, "expected format (%d) differs from format found in file (%d)\n",
3669  AH->format, fmt);
3670  }
3671 
3672  if (AH->version >= K_VERS_1_2)
3673  {
3674  if (AH->version < K_VERS_1_4)
3675  AH->compression = (*AH->ReadBytePtr) (AH);
3676  else
3677  AH->compression = ReadInt(AH);
3678  }
3679  else
3681 
3682 #ifndef HAVE_LIBZ
3683  if (AH->compression != 0)
3684  write_msg(modulename, "WARNING: archive is compressed, but this installation does not support compression -- no data will be available\n");
3685 #endif
3686 
3687  if (AH->version >= K_VERS_1_4)
3688  {
3689  crtm.tm_sec = ReadInt(AH);
3690  crtm.tm_min = ReadInt(AH);
3691  crtm.tm_hour = ReadInt(AH);
3692  crtm.tm_mday = ReadInt(AH);
3693  crtm.tm_mon = ReadInt(AH);
3694  crtm.tm_year = ReadInt(AH);
3695  crtm.tm_isdst = ReadInt(AH);
3696 
3697  AH->archdbname = ReadStr(AH);
3698 
3699  AH->createDate = mktime(&crtm);
3700 
3701  if (AH->createDate == (time_t) -1)
3702  write_msg(modulename, "WARNING: invalid creation date in header\n");
3703  }
3704 
3705  if (AH->version >= K_VERS_1_10)
3706  {
3707  AH->archiveRemoteVersion = ReadStr(AH);
3708  AH->archiveDumpVersion = ReadStr(AH);
3709  }
3710 }
#define Z_DEFAULT_COMPRESSION
#define K_VERS_1_0
int ReadInt(ArchiveHandle *AH)
#define K_VERS_1_4
static struct pg_tm tm
Definition: localtime.c:103
#define K_VERS_1_7
#define MAKE_ARCHIVE_VERSION(major, minor, rev)
#define K_VERS_1_2
#define K_VERS_1_10
ReadBytePtr ReadBytePtr
ArchiveFormat format
#define K_VERS_MAX
void write_msg(const char *modulename, const char *fmt,...)
char * ReadStr(ArchiveHandle *AH)
void exit_horribly(const char *modulename, const char *fmt,...)
static const char * modulename
int ReadInt ( ArchiveHandle AH)

Definition at line 2003 of file pg_backup_archiver.c.

References _archiveHandle::intSize, K_VERS_1_0, _archiveHandle::ReadBytePtr, sign, and _archiveHandle::version.

Referenced by _CustomReadFunc(), _LoadBlobs(), _readBlockHeader(), _ReadExtraToc(), _skipBlobs(), _skipData(), ReadHead(), ReadOffset(), ReadStr(), and ReadToc().

2004 {
2005  int res = 0;
2006  int bv,
2007  b;
2008  int sign = 0; /* Default positive */
2009  int bitShift = 0;
2010 
2011  if (AH->version > K_VERS_1_0)
2012  /* Read a sign byte */
2013  sign = (*AH->ReadBytePtr) (AH);
2014 
2015  for (b = 0; b < AH->intSize; b++)
2016  {
2017  bv = (*AH->ReadBytePtr) (AH) & 0xFF;
2018  if (bv != 0)
2019  res = res + (bv << bitShift);
2020  bitShift += 8;
2021  }
2022 
2023  if (sign)
2024  res = -res;
2025 
2026  return res;
2027 }
#define K_VERS_1_0
char sign
Definition: informix.c:693
ReadBytePtr ReadBytePtr
int ReadOffset ( ArchiveHandle ,
pgoff_t  
)

Definition at line 1908 of file pg_backup_archiver.c.

References exit_horribly(), i, K_OFFSET_NO_DATA, K_OFFSET_POS_NOT_SET, K_OFFSET_POS_SET, K_VERS_1_7, modulename, _archiveHandle::offSize, pgoff_t, _archiveHandle::ReadBytePtr, ReadInt(), and _archiveHandle::version.

Referenced by _ReadExtraToc().

1909 {
1910  int i;
1911  int off;
1912  int offsetFlg;
1913 
1914  /* Initialize to zero */
1915  *o = 0;
1916 
1917  /* Check for old version */
1918  if (AH->version < K_VERS_1_7)
1919  {
1920  /* Prior versions wrote offsets using WriteInt */
1921  i = ReadInt(AH);
1922  /* -1 means not set */
1923  if (i < 0)
1924  return K_OFFSET_POS_NOT_SET;
1925  else if (i == 0)
1926  return K_OFFSET_NO_DATA;
1927 
1928  /* Cast to pgoff_t because it was written as an int. */
1929  *o = (pgoff_t) i;
1930  return K_OFFSET_POS_SET;
1931  }
1932 
1933  /*
1934  * Read the flag indicating the state of the data pointer. Check if valid
1935  * and die if not.
1936  *
1937  * This used to be handled by a negative or zero pointer, now we use an
1938  * extra byte specifically for the state.
1939  */
1940  offsetFlg = (*AH->ReadBytePtr) (AH) & 0xFF;
1941 
1942  switch (offsetFlg)
1943  {
1944  case K_OFFSET_POS_NOT_SET:
1945  case K_OFFSET_NO_DATA:
1946  case K_OFFSET_POS_SET:
1947 
1948  break;
1949 
1950  default:
1951  exit_horribly(modulename, "unexpected data offset flag %d\n", offsetFlg);
1952  }
1953 
1954  /*
1955  * Read the bytes
1956  */
1957  for (off = 0; off < AH->offSize; off++)
1958  {
1959  if (off < sizeof(pgoff_t))
1960  *o |= ((pgoff_t) ((*AH->ReadBytePtr) (AH))) << (off * 8);
1961  else
1962  {
1963  if ((*AH->ReadBytePtr) (AH) != 0)
1964  exit_horribly(modulename, "file offset in dump file is too large\n");
1965  }
1966  }
1967 
1968  return offsetFlg;
1969 }
int ReadInt(ArchiveHandle *AH)
#define K_VERS_1_7
#define K_OFFSET_NO_DATA
#define pgoff_t
Definition: win32.h:241
void exit_horribly(const char *modulename, const char *fmt,...)
#define K_OFFSET_POS_SET
int i
static const char * modulename
#define K_OFFSET_POS_NOT_SET
char* ReadStr ( ArchiveHandle AH)

Definition at line 2049 of file pg_backup_archiver.c.

References buf, NULL, pg_malloc(), _archiveHandle::ReadBufPtr, and ReadInt().

Referenced by _ReadExtraToc(), ReadHead(), and ReadToc().

2050 {
2051  char *buf;
2052  int l;
2053 
2054  l = ReadInt(AH);
2055  if (l < 0)
2056  buf = NULL;
2057  else
2058  {
2059  buf = (char *) pg_malloc(l + 1);
2060  (*AH->ReadBufPtr) (AH, (void *) buf, l);
2061 
2062  buf[l] = '\0';
2063  }
2064 
2065  return buf;
2066 }
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
int ReadInt(ArchiveHandle *AH)
static char * buf
Definition: pg_test_fsync.c:65
#define NULL
Definition: c.h:229
void ReadTOC ( ArchiveHandle AH)
void ReadToc ( ArchiveHandle AH)

Definition at line 2538 of file pg_backup_archiver.c.

References ahlog(), _tocEntry::catalogId, _tocEntry::copyStmt, _tocEntry::defn, _tocEntry::dependencies, _tocEntry::desc, _tocEntry::dropStmt, _tocEntry::dumpId, exit_horribly(), free, _tocEntry::hadDumper, i, InvalidOid, K_VERS_1_10, K_VERS_1_11, K_VERS_1_3, K_VERS_1_5, K_VERS_1_6, K_VERS_1_8, K_VERS_1_9, _archiveHandle::maxDumpId, modulename, _tocEntry::nDeps, _tocEntry::next, NULL, CatalogId::oid, _tocEntry::owner, pg_malloc(), pg_malloc0(), pg_realloc(), _tocEntry::prev, processEncodingEntry(), processStdStringsEntry(), _archiveHandle::ReadExtraTocPtr, ReadInt(), ReadStr(), _tocEntry::section, SECTION_DATA, SECTION_NONE, SECTION_POST_DATA, SECTION_PRE_DATA, CatalogId::tableoid, _tocEntry::tablespace, _tocEntry::tag, _archiveHandle::toc, _archiveHandle::tocCount, _archiveHandle::version, and _tocEntry::withOids.

Referenced by InitArchiveFmt_Custom(), InitArchiveFmt_Directory(), and InitArchiveFmt_Tar().

2539 {
2540  int i;
2541  char *tmp;
2542  DumpId *deps;
2543  int depIdx;
2544  int depSize;
2545  TocEntry *te;
2546 
2547  AH->tocCount = ReadInt(AH);
2548  AH->maxDumpId = 0;
2549 
2550  for (i = 0; i < AH->tocCount; i++)
2551  {
2552  te = (TocEntry *) pg_malloc0(sizeof(TocEntry));
2553  te->dumpId = ReadInt(AH);
2554 
2555  if (te->dumpId > AH->maxDumpId)
2556  AH->maxDumpId = te->dumpId;
2557 
2558  /* Sanity check */
2559  if (te->dumpId <= 0)
2561  "entry ID %d out of range -- perhaps a corrupt TOC\n",
2562  te->dumpId);
2563 
2564  te->hadDumper = ReadInt(AH);
2565 
2566  if (AH->version >= K_VERS_1_8)
2567  {
2568  tmp = ReadStr(AH);
2569  sscanf(tmp, "%u", &te->catalogId.tableoid);
2570  free(tmp);
2571  }
2572  else
2574  tmp = ReadStr(AH);
2575  sscanf(tmp, "%u", &te->catalogId.oid);
2576  free(tmp);
2577 
2578  te->tag = ReadStr(AH);
2579  te->desc = ReadStr(AH);
2580 
2581  if (AH->version >= K_VERS_1_11)
2582  {
2583  te->section = ReadInt(AH);
2584  }
2585  else
2586  {
2587  /*
2588  * Rules for pre-8.4 archives wherein pg_dump hasn't classified
2589  * the entries into sections. This list need not cover entry
2590  * types added later than 8.4.
2591  */
2592  if (strcmp(te->desc, "COMMENT") == 0 ||
2593  strcmp(te->desc, "ACL") == 0 ||
2594  strcmp(te->desc, "ACL LANGUAGE") == 0)
2595  te->section = SECTION_NONE;
2596  else if (strcmp(te->desc, "TABLE DATA") == 0 ||
2597  strcmp(te->desc, "BLOBS") == 0 ||
2598  strcmp(te->desc, "BLOB COMMENTS") == 0)
2599  te->section = SECTION_DATA;
2600  else if (strcmp(te->desc, "CONSTRAINT") == 0 ||
2601  strcmp(te->desc, "CHECK CONSTRAINT") == 0 ||
2602  strcmp(te->desc, "FK CONSTRAINT") == 0 ||
2603  strcmp(te->desc, "INDEX") == 0 ||
2604  strcmp(te->desc, "RULE") == 0 ||
2605  strcmp(te->desc, "TRIGGER") == 0)
2606  te->section = SECTION_POST_DATA;
2607  else
2608  te->section = SECTION_PRE_DATA;
2609  }
2610 
2611  te->defn = ReadStr(AH);
2612  te->dropStmt = ReadStr(AH);
2613 
2614  if (AH->version >= K_VERS_1_3)
2615  te->copyStmt = ReadStr(AH);
2616 
2617  if (AH->version >= K_VERS_1_6)
2618  te->namespace = ReadStr(AH);
2619 
2620  if (AH->version >= K_VERS_1_10)
2621  te->tablespace = ReadStr(AH);
2622 
2623  te->owner = ReadStr(AH);
2624  if (AH->version >= K_VERS_1_9)
2625  {
2626  if (strcmp(ReadStr(AH), "true") == 0)
2627  te->withOids = true;
2628  else
2629  te->withOids = false;
2630  }
2631  else
2632  te->withOids = true;
2633 
2634  /* Read TOC entry dependencies */
2635  if (AH->version >= K_VERS_1_5)
2636  {
2637  depSize = 100;
2638  deps = (DumpId *) pg_malloc(sizeof(DumpId) * depSize);
2639  depIdx = 0;
2640  for (;;)
2641  {
2642  tmp = ReadStr(AH);
2643  if (!tmp)
2644  break; /* end of list */
2645  if (depIdx >= depSize)
2646  {
2647  depSize *= 2;
2648  deps = (DumpId *) pg_realloc(deps, sizeof(DumpId) * depSize);
2649  }
2650  sscanf(tmp, "%d", &deps[depIdx]);
2651  free(tmp);
2652  depIdx++;
2653  }
2654 
2655  if (depIdx > 0) /* We have a non-null entry */
2656  {
2657  deps = (DumpId *) pg_realloc(deps, sizeof(DumpId) * depIdx);
2658  te->dependencies = deps;
2659  te->nDeps = depIdx;
2660  }
2661  else
2662  {
2663  free(deps);
2664  te->dependencies = NULL;
2665  te->nDeps = 0;
2666  }
2667  }
2668  else
2669  {
2670  te->dependencies = NULL;
2671  te->nDeps = 0;
2672  }
2673 
2674  if (AH->ReadExtraTocPtr)
2675  (*AH->ReadExtraTocPtr) (AH, te);
2676 
2677  ahlog(AH, 3, "read TOC entry %d (ID %d) for %s %s\n",
2678  i, te->dumpId, te->desc, te->tag);
2679 
2680  /* link completed entry into TOC circular list */
2681  te->prev = AH->toc->prev;
2682  AH->toc->prev->next = te;
2683  AH->toc->prev = te;
2684  te->next = AH->toc;
2685 
2686  /* special processing immediately upon read for some items */
2687  if (strcmp(te->desc, "ENCODING") == 0)
2688  processEncodingEntry(AH, te);
2689  else if (strcmp(te->desc, "STDSTRINGS") == 0)
2690  processStdStringsEntry(AH, te);
2691  }
2692 }
struct _tocEntry * next
static void processEncodingEntry(ArchiveHandle *AH, TocEntry *te)
int DumpId
Definition: pg_backup.h:229
Oid tableoid
Definition: pg_backup.h:225
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
CatalogId catalogId
#define K_VERS_1_9
int ReadInt(ArchiveHandle *AH)
static void processStdStringsEntry(ArchiveHandle *AH, TocEntry *te)
teSection section
#define K_VERS_1_5
void * pg_malloc0(size_t size)
Definition: fe_memutils.c:53
struct _tocEntry * toc
DumpId * dependencies
#define K_VERS_1_8
#define K_VERS_1_10
void * pg_realloc(void *ptr, size_t size)
Definition: fe_memutils.c:65
#define K_VERS_1_3
struct _tocEntry * prev
#define InvalidOid
Definition: postgres_ext.h:36
#define free(a)
Definition: header.h:65
#define NULL
Definition: c.h:229
char * ReadStr(ArchiveHandle *AH)
void exit_horribly(const char *modulename, const char *fmt,...)
#define K_VERS_1_6
void ahlog(ArchiveHandle *AH, int level, const char *fmt,...)
int i
#define K_VERS_1_11
static const char * modulename
ReadExtraTocPtr ReadExtraTocPtr
int ReconnectToServer ( ArchiveHandle AH,
const char *  dbname,
const char *  newUser 
)

Definition at line 88 of file pg_backup_db.c.

References _connectDB(), _archiveHandle::connection, dbname, PQdb(), PQfinish(), PQuser(), set_archive_cancel_info(), and username.

Referenced by _reconnectToDB().

89 {
90  PGconn *newConn;
91  const char *newdbname;
92  const char *newusername;
93 
94  if (!dbname)
95  newdbname = PQdb(AH->connection);
96  else
97  newdbname = dbname;
98 
99  if (!username)
100  newusername = PQuser(AH->connection);
101  else
102  newusername = username;
103 
104  /* Let's see if the request is already satisfied */
105  if (strcmp(newdbname, PQdb(AH->connection)) == 0 &&
106  strcmp(newusername, PQuser(AH->connection)) == 0)
107  return 1;
108 
109  newConn = _connectDB(AH, newdbname, newusername);
110 
111  /* Update ArchiveHandle's connCancel before closing old connection */
112  set_archive_cancel_info(AH, newConn);
113 
114  PQfinish(AH->connection);
115  AH->connection = newConn;
116 
117  return 1;
118 }
static PGconn * _connectDB(ArchiveHandle *AH, const char *newdbname, const char *newUser)
Definition: pg_backup_db.c:130
void PQfinish(PGconn *conn)
Definition: fe-connect.c:3568
char * PQuser(const PGconn *conn)
Definition: fe-connect.c:5887
static char * username
Definition: initdb.c:130
char * PQdb(const PGconn *conn)
Definition: fe-connect.c:5879
char * dbname
Definition: streamutil.c:38
void set_archive_cancel_info(ArchiveHandle *AH, PGconn *conn)
Definition: parallel.c:742
void StartRestoreBlob ( ArchiveHandle AH,
Oid  oid,
bool  drop 
)

Definition at line 1279 of file pg_backup_archiver.c.

References ahlog(), ahprintf(), _archiveHandle::blobCount, _archiveHandle::connection, DropBlobIfExists(), exit_horribly(), INV_WRITE, K_VERS_1_12, _archiveHandle::lo_buf_used, lo_create(), lo_open(), _archiveHandle::loFd, modulename, PQerrorMessage(), _archiveHandle::version, and _archiveHandle::writingBlob.

Referenced by _LoadBlobs().

1280 {
1281  bool old_blob_style = (AH->version < K_VERS_1_12);
1282  Oid loOid;
1283 
1284  AH->blobCount++;
1285 
1286  /* Initialize the LO Buffer */
1287  AH->lo_buf_used = 0;
1288 
1289  ahlog(AH, 1, "restoring large object with OID %u\n", oid);
1290 
1291  /* With an old archive we must do drop and create logic here */
1292  if (old_blob_style && drop)
1293  DropBlobIfExists(AH, oid);
1294 
1295  if (AH->connection)
1296  {
1297  if (old_blob_style)
1298  {
1299  loOid = lo_create(AH->connection, oid);
1300  if (loOid == 0 || loOid != oid)
1301  exit_horribly(modulename, "could not create large object %u: %s",
1302  oid, PQerrorMessage(AH->connection));
1303  }
1304  AH->loFd = lo_open(AH->connection, oid, INV_WRITE);
1305  if (AH->loFd == -1)
1306  exit_horribly(modulename, "could not open large object %u: %s",
1307  oid, PQerrorMessage(AH->connection));
1308  }
1309  else
1310  {
1311  if (old_blob_style)
1312  ahprintf(AH, "SELECT pg_catalog.lo_open(pg_catalog.lo_create('%u'), %d);\n",
1313  oid, INV_WRITE);
1314  else
1315  ahprintf(AH, "SELECT pg_catalog.lo_open('%u', %d);\n",
1316  oid, INV_WRITE);
1317  }
1318 
1319  AH->writingBlob = 1;
1320 }
char * PQerrorMessage(const PGconn *conn)
Definition: fe-connect.c:6011
void DropBlobIfExists(ArchiveHandle *AH, Oid oid)
Definition: pg_backup_db.c:674
unsigned int Oid
Definition: postgres_ext.h:31
#define K_VERS_1_12
int lo_open(PGconn *conn, Oid lobjId, int mode)
Definition: fe-lobj.c:58
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
Oid lo_create(PGconn *conn, Oid lobjId)
Definition: fe-lobj.c:505
#define INV_WRITE
Definition: libpq-fs.h:21
void exit_horribly(const char *modulename, const char *fmt,...)
void ahlog(ArchiveHandle *AH, int level, const char *fmt,...)
static const char * modulename
void StartRestoreBlobs ( ArchiveHandle AH)

Definition at line 1237 of file pg_backup_archiver.c.

References ahprintf(), _archiveHandle::blobCount, _archiveHandle::connection, _archiveHandle::public, Archive::ropt, _restoreOptions::single_txn, and StartTransaction().

Referenced by _LoadBlobs().

1238 {
1239  RestoreOptions *ropt = AH->public.ropt;
1240 
1241  if (!ropt->single_txn)
1242  {
1243  if (AH->connection)
1244  StartTransaction(&AH->public);
1245  else
1246  ahprintf(AH, "BEGIN;\n\n");
1247  }
1248 
1249  AH->blobCount = 0;
1250 }
RestoreOptions * ropt
Definition: pg_backup.h:180
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
static void StartTransaction(void)
Definition: xact.c:1802
teReqs TocIDRequired ( ArchiveHandle AH,
DumpId  id 
)

Definition at line 1880 of file pg_backup_archiver.c.

References getTocEntryByDumpId(), and _tocEntry::reqs.

Referenced by _tarPositionTo(), and findDumpableDependencies().

1881 {
1882  TocEntry *te = getTocEntryByDumpId(AH, id);
1883 
1884  if (!te)
1885  return 0;
1886 
1887  return te->reqs;
1888 }
TocEntry * getTocEntryByDumpId(ArchiveHandle *AH, DumpId id)
void warn_or_exit_horribly ( ArchiveHandle AH,
const char *  modulename,
const char *  fmt,
  ... 
)
void WriteDataChunks ( ArchiveHandle AH,
struct ParallelState pstate 
)

Definition at line 2392 of file pg_backup_archiver.c.

References ACT_DUMP, _tocEntry::dataDumper, DispatchJobForTocEntry(), mark_dump_job_done(), _tocEntry::next, NULL, ParallelState::numWorkers, REQ_DATA, _tocEntry::reqs, _archiveHandle::toc, WaitForWorkers(), WFW_ALL_IDLE, and WriteDataChunksForTocEntry().

Referenced by _CloseArchive().

2393 {
2394  TocEntry *te;
2395 
2396  for (te = AH->toc->next; te != AH->toc; te = te->next)
2397  {
2398  if (!te->dataDumper)
2399  continue;
2400 
2401  if ((te->reqs & REQ_DATA) == 0)
2402  continue;
2403 
2404  if (pstate && pstate->numWorkers > 1)
2405  {
2406  /*
2407  * If we are in a parallel backup, then we are always the master
2408  * process. Dispatch each data-transfer job to a worker.
2409  */
2410  DispatchJobForTocEntry(AH, pstate, te, ACT_DUMP,
2412  }
2413  else
2415  }
2416 
2417  /*
2418  * If parallel, wait for workers to finish.
2419  */
2420  if (pstate && pstate->numWorkers > 1)
2421  WaitForWorkers(AH, pstate, WFW_ALL_IDLE);
2422 }
struct _tocEntry * next
void DispatchJobForTocEntry(ArchiveHandle *AH, ParallelState *pstate, TocEntry *te, T_Action act, ParallelCompletionPtr callback, void *callback_data)
Definition: parallel.c:1227
DataDumperPtr dataDumper
struct _tocEntry * toc
void WaitForWorkers(ArchiveHandle *AH, ParallelState *pstate, WFW_WaitOption mode)
Definition: parallel.c:1475
#define NULL
Definition: c.h:229
void WriteDataChunksForTocEntry(ArchiveHandle *AH, TocEntry *te)
static void mark_dump_job_done(ArchiveHandle *AH, TocEntry *te, int status, void *callback_data)
int numWorkers
Definition: parallel.h:42
void WriteDataChunksForTocEntry ( ArchiveHandle AH,
TocEntry te 
)

Definition at line 2447 of file pg_backup_archiver.c.

References _archiveHandle::currToc, _tocEntry::dataDumper, _tocEntry::dataDumperArg, _tocEntry::desc, _archiveHandle::EndBlobsPtr, _archiveHandle::EndDataPtr, NULL, _archiveHandle::StartBlobsPtr, and _archiveHandle::StartDataPtr.

Referenced by _WorkerJobDumpDirectory(), and WriteDataChunks().

2448 {
2449  StartDataPtr startPtr;
2450  EndDataPtr endPtr;
2451 
2452  AH->currToc = te;
2453 
2454  if (strcmp(te->desc, "BLOBS") == 0)
2455  {
2456  startPtr = AH->StartBlobsPtr;
2457  endPtr = AH->EndBlobsPtr;
2458  }
2459  else
2460  {
2461  startPtr = AH->StartDataPtr;
2462  endPtr = AH->EndDataPtr;
2463  }
2464 
2465  if (startPtr != NULL)
2466  (*startPtr) (AH, te);
2467 
2468  /*
2469  * The user-provided DataDumper routine needs to call AH->WriteData
2470  */
2471  (*te->dataDumper) ((Archive *) AH, te->dataDumperArg);
2472 
2473  if (endPtr != NULL)
2474  (*endPtr) (AH, te);
2475 
2476  AH->currToc = NULL;
2477 }
StartBlobsPtr StartBlobsPtr
DataDumperPtr dataDumper
struct _tocEntry * currToc
void(* EndDataPtr)(ArchiveHandle *AH, TocEntry *te)
#define NULL
Definition: c.h:229
void(* StartDataPtr)(ArchiveHandle *AH, TocEntry *te)
StartDataPtr StartDataPtr
EndBlobsPtr EndBlobsPtr
void WriteHead ( ArchiveHandle AH)

Definition at line 3589 of file pg_backup_archiver.c.

References ARCHIVE_MAJOR, ARCHIVE_MINOR, ARCHIVE_REV, _archiveHandle::compression, _archiveHandle::connection, _archiveHandle::createDate, _archiveHandle::format, _archiveHandle::intSize, _archiveHandle::offSize, PQdb(), _archiveHandle::public, Archive::remoteVersionStr, tm, _archiveHandle::version, _archiveHandle::WriteBufPtr, _archiveHandle::WriteBytePtr, WriteInt(), and WriteStr().

Referenced by _CloseArchive().

3590 {
3591  struct tm crtm;
3592 
3593  (*AH->WriteBufPtr) (AH, "PGDMP", 5); /* Magic code */
3594  (*AH->WriteBytePtr) (AH, ARCHIVE_MAJOR(AH->version));
3595  (*AH->WriteBytePtr) (AH, ARCHIVE_MINOR(AH->version));
3596  (*AH->WriteBytePtr) (AH, ARCHIVE_REV(AH->version));
3597  (*AH->WriteBytePtr) (AH, AH->intSize);
3598  (*AH->WriteBytePtr) (AH, AH->offSize);
3599  (*AH->WriteBytePtr) (AH, AH->format);
3600  WriteInt(AH, AH->compression);
3601  crtm = *localtime(&AH->createDate);
3602  WriteInt(AH, crtm.tm_sec);
3603  WriteInt(AH, crtm.tm_min);
3604  WriteInt(AH, crtm.tm_hour);
3605  WriteInt(AH, crtm.tm_mday);
3606  WriteInt(AH, crtm.tm_mon);
3607  WriteInt(AH, crtm.tm_year);
3608  WriteInt(AH, crtm.tm_isdst);
3609  WriteStr(AH, PQdb(AH->connection));
3610  WriteStr(AH, AH->public.remoteVersionStr);
3611  WriteStr(AH, PG_VERSION);
3612 }
WriteBufPtr WriteBufPtr
static struct pg_tm tm
Definition: localtime.c:103
WriteBytePtr WriteBytePtr
#define ARCHIVE_REV(version)
#define ARCHIVE_MINOR(version)
ArchiveFormat format
#define ARCHIVE_MAJOR(version)
char * PQdb(const PGconn *conn)
Definition: fe-connect.c:5879
size_t WriteInt(ArchiveHandle *AH, int i)
char * remoteVersionStr
Definition: pg_backup.h:183
size_t WriteStr(ArchiveHandle *AH, const char *c)
size_t WriteInt ( ArchiveHandle AH,
int  i 
)

Definition at line 1972 of file pg_backup_archiver.c.

References i, _archiveHandle::intSize, and _archiveHandle::WriteBytePtr.

Referenced by _CustomWriteFunc(), _EndBlob(), _EndBlobs(), _EndData(), _StartBlob(), _StartBlobs(), _StartData(), WriteHead(), WriteStr(), and WriteToc().

1973 {
1974  int b;
1975 
1976  /*
1977  * This is a bit yucky, but I don't want to make the binary format very
1978  * dependent on representation, and not knowing much about it, I write out
1979  * a sign byte. If you change this, don't forget to change the file
1980  * version #, and modify readInt to read the new format AS WELL AS the old
1981  * formats.
1982  */
1983 
1984  /* SIGN byte */
1985  if (i < 0)
1986  {
1987  (*AH->WriteBytePtr) (AH, 1);
1988  i = -i;
1989  }
1990  else
1991  (*AH->WriteBytePtr) (AH, 0);
1992 
1993  for (b = 0; b < AH->intSize; b++)
1994  {
1995  (*AH->WriteBytePtr) (AH, i & 0xFF);
1996  i >>= 8;
1997  }
1998 
1999  return AH->intSize + 1;
2000 }
WriteBytePtr WriteBytePtr
int i
size_t WriteOffset ( ArchiveHandle ,
pgoff_t  ,
int   
)

Definition at line 1891 of file pg_backup_archiver.c.

References pgoff_t, and _archiveHandle::WriteBytePtr.

Referenced by _WriteExtraToc().

1892 {
1893  int off;
1894 
1895  /* Save the flag */
1896  (*AH->WriteBytePtr) (AH, wasSet);
1897 
1898  /* Write out pgoff_t smallest byte first, prevents endian mismatch */
1899  for (off = 0; off < sizeof(pgoff_t); off++)
1900  {
1901  (*AH->WriteBytePtr) (AH, o & 0xFF);
1902  o >>= 8;
1903  }
1904  return sizeof(pgoff_t) + 1;
1905 }
#define pgoff_t
Definition: win32.h:241
size_t WriteStr ( ArchiveHandle AH,
const char *  s 
)

Definition at line 2030 of file pg_backup_archiver.c.

References _archiveHandle::WriteBufPtr, and WriteInt().

Referenced by _WriteExtraToc(), WriteHead(), and WriteToc().

2031 {
2032  size_t res;
2033 
2034  if (c)
2035  {
2036  int len = strlen(c);
2037 
2038  res = WriteInt(AH, len);
2039  (*AH->WriteBufPtr) (AH, c, len);
2040  res += len;
2041  }
2042  else
2043  res = WriteInt(AH, -1);
2044 
2045  return res;
2046 }
WriteBufPtr WriteBufPtr
char * c
size_t WriteInt(ArchiveHandle *AH, int i)
void void WriteTOC ( ArchiveHandle AH)
void WriteToc ( ArchiveHandle AH)

Definition at line 2480 of file pg_backup_archiver.c.

References _tocEntry::catalogId, _tocEntry::copyStmt, _tocEntry::dataDumper, _tocEntry::defn, _tocEntry::dependencies, _tocEntry::desc, _tocEntry::dropStmt, _tocEntry::dumpId, i, _tocEntry::nDeps, _tocEntry::next, NULL, CatalogId::oid, _tocEntry::owner, REQ_DATA, REQ_SCHEMA, REQ_SPECIAL, _tocEntry::reqs, _tocEntry::section, CatalogId::tableoid, _tocEntry::tablespace, _tocEntry::tag, _archiveHandle::toc, _tocEntry::withOids, _archiveHandle::WriteExtraTocPtr, WriteInt(), and WriteStr().

Referenced by _CloseArchive().

2481 {
2482  TocEntry *te;
2483  char workbuf[32];
2484  int tocCount;
2485  int i;
2486 
2487  /* count entries that will actually be dumped */
2488  tocCount = 0;
2489  for (te = AH->toc->next; te != AH->toc; te = te->next)
2490  {
2491  if ((te->reqs & (REQ_SCHEMA | REQ_DATA | REQ_SPECIAL)) != 0)
2492  tocCount++;
2493  }
2494 
2495  /* printf("%d TOC Entries to save\n", tocCount); */
2496 
2497  WriteInt(AH, tocCount);
2498 
2499  for (te = AH->toc->next; te != AH->toc; te = te->next)
2500  {
2501  if ((te->reqs & (REQ_SCHEMA | REQ_DATA | REQ_SPECIAL)) == 0)
2502  continue;
2503 
2504  WriteInt(AH, te->dumpId);
2505  WriteInt(AH, te->dataDumper ? 1 : 0);
2506 
2507  /* OID is recorded as a string for historical reasons */
2508  sprintf(workbuf, "%u", te->catalogId.tableoid);
2509  WriteStr(AH, workbuf);
2510  sprintf(workbuf, "%u", te->catalogId.oid);
2511  WriteStr(AH, workbuf);
2512 
2513  WriteStr(AH, te->tag);
2514  WriteStr(AH, te->desc);
2515  WriteInt(AH, te->section);
2516  WriteStr(AH, te->defn);
2517  WriteStr(AH, te->dropStmt);
2518  WriteStr(AH, te->copyStmt);
2519  WriteStr(AH, te->namespace);
2520  WriteStr(AH, te->tablespace);
2521  WriteStr(AH, te->owner);
2522  WriteStr(AH, te->withOids ? "true" : "false");
2523 
2524  /* Dump list of dependencies */
2525  for (i = 0; i < te->nDeps; i++)
2526  {
2527  sprintf(workbuf, "%d", te->dependencies[i]);
2528  WriteStr(AH, workbuf);
2529  }
2530  WriteStr(AH, NULL); /* Terminate List */
2531 
2532  if (AH->WriteExtraTocPtr)
2533  (*AH->WriteExtraTocPtr) (AH, te);
2534  }
2535 }
struct _tocEntry * next
Oid tableoid
Definition: pg_backup.h:225
CatalogId catalogId
WriteExtraTocPtr WriteExtraTocPtr
DataDumperPtr dataDumper
teSection section
struct _tocEntry * toc
DumpId * dependencies
#define NULL
Definition: c.h:229
size_t WriteInt(ArchiveHandle *AH, int i)
int i
size_t WriteStr(ArchiveHandle *AH, const char *c)