PostgreSQL Source Code  git master
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros
pg_backup_archiver.h File Reference
#include <time.h>
#include "pg_backup.h"
#include "libpq-fe.h"
#include "pqexpbuffer.h"
Include dependency graph for pg_backup_archiver.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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(* ClosePtrType )(ArchiveHandle *AH)
 
typedef void(* ReopenPtrType )(ArchiveHandle *AH)
 
typedef void(* ArchiveEntryPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* StartDataPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* WriteDataPtrType )(ArchiveHandle *AH, const void *data, size_t dLen)
 
typedef void(* EndDataPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* StartBlobsPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* StartBlobPtrType )(ArchiveHandle *AH, TocEntry *te, Oid oid)
 
typedef void(* EndBlobPtrType )(ArchiveHandle *AH, TocEntry *te, Oid oid)
 
typedef void(* EndBlobsPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef int(* WriteBytePtrType )(ArchiveHandle *AH, const int i)
 
typedef int(* ReadBytePtrType )(ArchiveHandle *AH)
 
typedef void(* WriteBufPtrType )(ArchiveHandle *AH, const void *c, size_t len)
 
typedef void(* ReadBufPtrType )(ArchiveHandle *AH, void *buf, size_t len)
 
typedef void(* SaveArchivePtrType )(ArchiveHandle *AH)
 
typedef void(* WriteExtraTocPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* ReadExtraTocPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* PrintExtraTocPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* PrintTocDataPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef void(* ClonePtrType )(ArchiveHandle *AH)
 
typedef void(* DeClonePtrType )(ArchiveHandle *AH)
 
typedef int(* WorkerJobDumpPtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef int(* WorkerJobRestorePtrType )(ArchiveHandle *AH, TocEntry *te)
 
typedef size_t(* CustomOutPtrType )(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(* ArchiveEntryPtrType)(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(* ClonePtrType)(ArchiveHandle *AH)

Definition at line 169 of file pg_backup_archiver.h.

typedef void(* ClosePtrType)(ArchiveHandle *AH)

Definition at line 146 of file pg_backup_archiver.h.

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

Definition at line 175 of file pg_backup_archiver.h.

typedef void(* DeClonePtrType)(ArchiveHandle *AH)

Definition at line 170 of file pg_backup_archiver.h.

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

Definition at line 156 of file pg_backup_archiver.h.

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

Definition at line 157 of file pg_backup_archiver.h.

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

Definition at line 152 of file pg_backup_archiver.h.

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

Definition at line 166 of file pg_backup_archiver.h.

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

Definition at line 167 of file pg_backup_archiver.h.

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

Definition at line 162 of file pg_backup_archiver.h.

typedef int(* ReadBytePtrType)(ArchiveHandle *AH)

Definition at line 160 of file pg_backup_archiver.h.

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

Definition at line 165 of file pg_backup_archiver.h.

typedef void(* ReopenPtrType)(ArchiveHandle *AH)

Definition at line 147 of file pg_backup_archiver.h.

typedef void(* SaveArchivePtrType)(ArchiveHandle *AH)

Definition at line 163 of file pg_backup_archiver.h.

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

Definition at line 155 of file pg_backup_archiver.h.

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

Definition at line 154 of file pg_backup_archiver.h.

typedef void(* StartDataPtrType)(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(* WorkerJobDumpPtrType)(ArchiveHandle *AH, TocEntry *te)

Definition at line 172 of file pg_backup_archiver.h.

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

Definition at line 173 of file pg_backup_archiver.h.

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

Definition at line 161 of file pg_backup_archiver.h.

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

Definition at line 159 of file pg_backup_archiver.h.

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

Definition at line 151 of file pg_backup_archiver.h.

typedef void(* WriteExtraTocPtrType)(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 1688 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().

1689 {
1690  int bytes_written = 0;
1691 
1692  if (AH->writingBlob)
1693  {
1694  size_t remaining = size * nmemb;
1695 
1696  while (AH->lo_buf_used + remaining > AH->lo_buf_size)
1697  {
1698  size_t avail = AH->lo_buf_size - AH->lo_buf_used;
1699 
1700  memcpy((char *) AH->lo_buf + AH->lo_buf_used, ptr, avail);
1701  ptr = (const void *) ((const char *) ptr + avail);
1702  remaining -= avail;
1703  AH->lo_buf_used += avail;
1704  dump_lo_buf(AH);
1705  }
1706 
1707  memcpy((char *) AH->lo_buf + AH->lo_buf_used, ptr, remaining);
1708  AH->lo_buf_used += remaining;
1709 
1710  bytes_written = size * nmemb;
1711  }
1712  else if (AH->gzOut)
1713  bytes_written = GZWRITE(ptr, size, nmemb, AH->OF);
1714  else if (AH->CustomOutPtr)
1715  bytes_written = AH->CustomOutPtr(AH, ptr, size * nmemb);
1716 
1717  else
1718  {
1719  /*
1720  * If we're doing a restore, and it's direct to DB, and we're
1721  * connected then send it to the DB.
1722  */
1723  if (RestoringToDB(AH))
1724  bytes_written = ExecuteSqlCommandBuf(&AH->public, (const char *) ptr, size * nmemb);
1725  else
1726  bytes_written = fwrite(ptr, size, nmemb, AH->OF) * size;
1727  }
1728 
1729  if (bytes_written != size * nmemb)
1731 
1732  return;
1733 }
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:563
static void dump_lo_buf(ArchiveHandle *AH)
#define GZWRITE(p, s, n, fh)
CustomOutPtrType CustomOutPtr
#define WRITE_ERROR_EXIT
bool checkSeek ( FILE *  fp)

Definition at line 3728 of file pg_backup_archiver.c.

References fseeko, ftello, and pgoff_t.

Referenced by InitArchiveFmt_Custom(), and InitArchiveFmt_Tar().

3729 {
3730  pgoff_t tpos;
3731 
3732  /*
3733  * If pgoff_t is wider than long, we must have "real" fseeko and not an
3734  * emulation using fseek. Otherwise report no seek capability.
3735  */
3736 #ifndef HAVE_FSEEKO
3737  if (sizeof(pgoff_t) > sizeof(long))
3738  return false;
3739 #endif
3740 
3741  /* Check that ftello works on this file */
3742  tpos = ftello(fp);
3743  if (tpos < 0)
3744  return false;
3745 
3746  /*
3747  * Check that fseeko(SEEK_SET) works, too. NB: we used to try to test
3748  * this with fseeko(fp, 0, SEEK_CUR). But some platforms treat that as a
3749  * successful no-op even on files that are otherwise unseekable.
3750  */
3751  if (fseeko(fp, tpos, SEEK_SET) != 0)
3752  return false;
3753 
3754  return true;
3755 }
#define fseeko(stream, offset, origin)
Definition: win32.h:237
#define pgoff_t
Definition: win32.h:231
#define ftello(stream)
Definition: win32.h:240
ArchiveHandle* CloneArchive ( ArchiveHandle AH)

Definition at line 4509 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().

4510 {
4511  ArchiveHandle *clone;
4512 
4513  /* Make a "flat" copy */
4514  clone = (ArchiveHandle *) pg_malloc(sizeof(ArchiveHandle));
4515  memcpy(clone, AH, sizeof(ArchiveHandle));
4516 
4517  /* Handle format-independent fields */
4518  memset(&(clone->sqlparse), 0, sizeof(clone->sqlparse));
4519 
4520  /* The clone will have its own connection, so disregard connection state */
4521  clone->connection = NULL;
4522  clone->connCancel = NULL;
4523  clone->currUser = NULL;
4524  clone->currSchema = NULL;
4525  clone->currTablespace = NULL;
4526  clone->currWithOids = -1;
4527 
4528  /* savedPassword must be local in case we change it while connecting */
4529  if (clone->savedPassword)
4530  clone->savedPassword = pg_strdup(clone->savedPassword);
4531 
4532  /* clone has its own error count, too */
4533  clone->public.n_errors = 0;
4534 
4535  /*
4536  * Connect our new clone object to the database: In parallel restore the
4537  * parent is already disconnected, because we can connect the worker
4538  * processes independently to the database (no snapshot sync required). In
4539  * parallel backup we clone the parent's existing connection.
4540  */
4541  if (AH->mode == archModeRead)
4542  {
4543  RestoreOptions *ropt = AH->public.ropt;
4544 
4545  Assert(AH->connection == NULL);
4546 
4547  /* this also sets clone->connection */
4548  ConnectDatabase((Archive *) clone, ropt->dbname,
4549  ropt->pghost, ropt->pgport, ropt->username,
4550  ropt->promptPassword);
4551 
4552  /* re-establish fixed state */
4553  _doSetFixedOutputState(clone);
4554  }
4555  else
4556  {
4558  char *pghost;
4559  char *pgport;
4560  char *username;
4561 
4562  Assert(AH->connection != NULL);
4563 
4564  /*
4565  * Even though we are technically accessing the parent's database
4566  * object here, these functions are fine to be called like that
4567  * because all just return a pointer and do not actually send/receive
4568  * any data to/from the database.
4569  */
4570  initPQExpBuffer(&connstr);
4571  appendPQExpBuffer(&connstr, "dbname=");
4572  appendConnStrVal(&connstr, PQdb(AH->connection));
4573  pghost = PQhost(AH->connection);
4574  pgport = PQport(AH->connection);
4575  username = PQuser(AH->connection);
4576 
4577  /* this also sets clone->connection */
4578  ConnectDatabase((Archive *) clone, connstr.data,
4579  pghost, pgport, username, TRI_NO);
4580 
4581  termPQExpBuffer(&connstr);
4582  /* setupDumpWorker will fix up connection state */
4583  }
4584 
4585  /* Let the format-specific code have a chance too */
4586  (clone->ClonePtr) (clone);
4587 
4588  Assert(clone->connection != NULL);
4589  return clone;
4590 }
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
RestoreOptions * ropt
Definition: pg_backup.h:181
void termPQExpBuffer(PQExpBuffer str)
Definition: pqexpbuffer.c:128
char * username
Definition: pg_backup.h:112
void appendConnStrVal(PQExpBuffer buf, const char *str)
Definition: string_utils.c:551
char * PQport(const PGconn *conn)
Definition: fe-connect.c:5935
int n_errors
Definition: pg_backup.h:201
PGcancel *volatile connCancel
char * PQuser(const PGconn *conn)
Definition: fe-connect.c:5890
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:131
char * PQhost(const PGconn *conn)
Definition: fe-connect.c:5915
char * PQdb(const PGconn *conn)
Definition: fe-connect.c:5882
#define NULL
Definition: c.h:229
#define Assert(condition)
Definition: c.h:675
ClonePtrType ClonePtr
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:246
static char * connstr
Definition: pg_dumpall.c:64
trivalue promptPassword
Definition: pg_backup.h:114
void DeCloneArchive ( ArchiveHandle AH)

Definition at line 4598 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().

4599 {
4600  /* Should not have an open database connection */
4601  Assert(AH->connection == NULL);
4602 
4603  /* Clear format-specific state */
4604  (AH->DeClonePtr) (AH);
4605 
4606  /* Clear state allocated by CloneArchive */
4607  if (AH->sqlparse.curCmd)
4609 
4610  /* Clear any connection-local state */
4611  if (AH->currUser)
4612  free(AH->currUser);
4613  if (AH->currSchema)
4614  free(AH->currSchema);
4615  if (AH->currTablespace)
4616  free(AH->currTablespace);
4617  if (AH->savedPassword)
4618  free(AH->savedPassword);
4619 
4620  free(AH);
4621 }
PQExpBuffer curCmd
DeClonePtrType DeClonePtr
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 663 of file pg_backup_db.c.

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

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

664 {
665  /*
666  * If we are not restoring to a direct database connection, we have to
667  * guess about how to detect whether the blob exists. Assume new-style.
668  */
669  if (AH->connection == NULL ||
670  PQserverVersion(AH->connection) >= 90000)
671  {
672  ahprintf(AH,
673  "SELECT pg_catalog.lo_unlink(oid) "
674  "FROM pg_catalog.pg_largeobject_metadata "
675  "WHERE oid = '%u';\n",
676  oid);
677  }
678  else
679  {
680  /* Restoring to pre-9.0 server, so do it the old way */
681  ahprintf(AH,
682  "SELECT CASE WHEN EXISTS("
683  "SELECT 1 FROM pg_catalog.pg_largeobject WHERE loid = '%u'"
684  ") THEN pg_catalog.lo_unlink('%u') END;\n",
685  oid, oid);
686  }
687 }
int PQserverVersion(const PGconn *conn)
Definition: fe-connect.c:6004
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
#define NULL
Definition: c.h:229
void EndRestoreBlob ( ArchiveHandle AH,
Oid  oid 
)

Definition at line 1324 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().

1325 {
1326  if (AH->lo_buf_used > 0)
1327  {
1328  /* Write remaining bytes from the LO buffer */
1329  dump_lo_buf(AH);
1330  }
1331 
1332  AH->writingBlob = 0;
1333 
1334  if (AH->connection)
1335  {
1336  lo_close(AH->connection, AH->loFd);
1337  AH->loFd = -1;
1338  }
1339  else
1340  {
1341  ahprintf(AH, "SELECT pg_catalog.lo_close(0);\n\n");
1342  }
1343 }
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 1257 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().

1258 {
1259  RestoreOptions *ropt = AH->public.ropt;
1260 
1261  if (!ropt->single_txn)
1262  {
1263  if (AH->connection)
1264  CommitTransaction(&AH->public);
1265  else
1266  ahprintf(AH, "COMMIT;\n\n");
1267  }
1268 
1269  ahlog(AH, 1, ngettext("restored %d large object\n",
1270  "restored %d large objects\n",
1271  AH->blobCount),
1272  AH->blobCount);
1273 }
RestoreOptions * ropt
Definition: pg_backup.h:181
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 1868 of file pg_backup_archiver.c.

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

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

1869 {
1870  /* build index arrays if we didn't already */
1871  if (AH->tocsByDumpId == NULL)
1872  buildTocEntryArrays(AH);
1873 
1874  if (id > 0 && id <= AH->maxDumpId)
1875  return AH->tocsByDumpId[id];
1876 
1877  return NULL;
1878 }
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)
ReopenPtrType ReopenPtr
ReadBufPtrType ReadBufPtr
void ReadToc(ArchiveHandle *AH)
void ReadHead(ArchiveHandle *AH)
DeClonePtrType DeClonePtr
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
WriteBufPtrType WriteBufPtr
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)
StartBlobPtrType StartBlobPtr
static int _WorkerJobRestoreCustom(ArchiveHandle *AH, TocEntry *te)
EndDataPtrType EndDataPtr
#define PG_BINARY_W
Definition: c.h:1041
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
static void _CloseArchive(ArchiveHandle *AH)
StartBlobsPtrType StartBlobsPtr
#define PG_BINARY_R
Definition: c.h:1040
ReadBytePtrType ReadBytePtr
EndBlobPtrType EndBlobPtr
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)
StartDataPtrType StartDataPtr
WriteBytePtrType WriteBytePtr
static void _EndData(ArchiveHandle *AH, TocEntry *te)
static void _ReadExtraToc(ArchiveHandle *AH, TocEntry *te)
static int _ReadByte(ArchiveHandle *)
PrintTocDataPtrType PrintTocDataPtr
static const char * modulename
WriteDataPtrType WriteDataPtr
#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)
EndBlobsPtrType EndBlobsPtr
ArchiveEntryPtrType ArchiveEntryPtr
void exit_horribly(const char *modulename, const char *fmt,...)
pgoff_t dataStart
ClonePtrType ClonePtr
const char * strerror(int errnum)
Definition: strerror.c:19
WorkerJobRestorePtrType WorkerJobRestorePtr
static void _DeClone(ArchiveHandle *AH)
bool checkSeek(FILE *fp)
ClosePtrType ClosePtr
PrintExtraTocPtrType PrintExtraTocPtr
pgoff_t filePos
static int _WriteByte(ArchiveHandle *AH, const int i)
WriteExtraTocPtrType WriteExtraTocPtr
#define LOBBUFSIZE
ReadExtraTocPtrType ReadExtraTocPtr
static void _WriteExtraToc(ArchiveHandle *AH, TocEntry *te)
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
WorkerJobDumpPtrType WorkerJobDumpPtr
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 }
ReopenPtrType ReopenPtr
static void _StartData(ArchiveHandle *AH, TocEntry *te)
ReadBufPtrType ReadBufPtr
void ReadToc(ArchiveHandle *AH)
void ReadHead(ArchiveHandle *AH)
DeClonePtrType DeClonePtr
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
WriteBufPtrType WriteBufPtr
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
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:57
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
static void setFilePath(ArchiveHandle *AH, char *buf, const char *relativeFilename)
StartBlobPtrType StartBlobPtr
EndDataPtrType EndDataPtr
int closedir(DIR *)
Definition: dirent.c:111
static void _EndData(ArchiveHandle *AH, TocEntry *te)
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
static const char * modulename
StartBlobsPtrType StartBlobsPtr
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)
ReadBytePtrType ReadBytePtr
static void _ReadExtraToc(ArchiveHandle *AH, TocEntry *te)
EndBlobPtrType EndBlobPtr
static void _PrintExtraToc(ArchiveHandle *AH, TocEntry *te)
Definition: dirent.c:25
void * pg_malloc0(size_t size)
Definition: fe_memutils.c:53
#define MAXPGPATH
DIR * opendir(const char *)
Definition: dirent.c:33
static void _Clone(ArchiveHandle *AH)
StartDataPtrType StartDataPtr
WriteBytePtrType WriteBytePtr
ArchiveFormat format
static void _ReadBuf(ArchiveHandle *AH, void *buf, size_t len)
PrintTocDataPtrType PrintTocDataPtr
WriteDataPtrType WriteDataPtr
static void _DeClone(ArchiveHandle *AH)
static int _ReadByte(ArchiveHandle *)
#define NULL
Definition: c.h:229
EndBlobsPtrType EndBlobsPtr
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
ArchiveEntryPtrType ArchiveEntryPtr
struct dirent * readdir(DIR *)
Definition: dirent.c:77
void exit_horribly(const char *modulename, const char *fmt,...)
static void _CloseArchive(ArchiveHandle *AH)
ClonePtrType ClonePtr
cfp * cfopen_read(const char *path, const char *mode)
Definition: compress_io.c:467
const char * strerror(int errnum)
Definition: strerror.c:19
WorkerJobRestorePtrType WorkerJobRestorePtr
static int _WorkerJobDumpDirectory(ArchiveHandle *AH, TocEntry *te)
static void _ReopenArchive(ArchiveHandle *AH)
ClosePtrType ClosePtr
char d_name[MAX_PATH]
Definition: dirent.h:14
PrintExtraTocPtrType PrintExtraTocPtr
static void _WriteExtraToc(ArchiveHandle *AH, TocEntry *te)
WriteExtraTocPtrType WriteExtraTocPtr
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
#define LOBBUFSIZE
ReadExtraTocPtrType ReadExtraTocPtr
WorkerJobDumpPtrType WorkerJobDumpPtr
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 }
ReopenPtrType ReopenPtr
DeClonePtrType DeClonePtr
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
WriteBufPtrType WriteBufPtr
StartBlobPtrType StartBlobPtr
EndDataPtrType EndDataPtr
StartBlobsPtrType StartBlobsPtr
EndBlobPtrType EndBlobPtr
static void _CloseArchive(ArchiveHandle *AH)
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
WriteBytePtrType WriteBytePtr
static void _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
PrintTocDataPtrType PrintTocDataPtr
WriteDataPtrType WriteDataPtr
#define NULL
Definition: c.h:229
static void _EndData(ArchiveHandle *AH, TocEntry *te)
EndBlobsPtrType EndBlobsPtr
static int _WriteByte(ArchiveHandle *AH, const int i)
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
void exit_horribly(const char *modulename, const char *fmt,...)
ClonePtrType ClonePtr
ClosePtrType ClosePtr
static void _WriteBuf(ArchiveHandle *AH, const void *buf, size_t len)
#define LOBBUFSIZE
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
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
ReopenPtrType ReopenPtr
ReadBufPtrType ReadBufPtr
void ReadToc(ArchiveHandle *AH)
static void _StartData(ArchiveHandle *AH, TocEntry *te)
void ReadHead(ArchiveHandle *AH)
DeClonePtrType DeClonePtr
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
WriteBufPtrType WriteBufPtr
static TAR_MEMBER * tarOpen(ArchiveHandle *AH, const char *filename, char mode)
pgoff_t tarFHpos
Definition: pg_backup_tar.c:89
StartBlobPtrType StartBlobPtr
EndDataPtrType EndDataPtr
#define PG_BINARY_W
Definition: c.h:1041
static void _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
StartBlobsPtrType StartBlobsPtr
#define PG_BINARY_R
Definition: c.h:1040
ReadBytePtrType ReadBytePtr
EndBlobPtrType EndBlobPtr
int isSpecialScript
Definition: pg_backup_tar.c:92
void * pg_malloc0(size_t size)
Definition: fe_memutils.c:53
FILE * tarFH
Definition: pg_backup_tar.c:88
static void _StartBlobs(ArchiveHandle *AH, TocEntry *te)
static void _WriteBuf(ArchiveHandle *AH, const void *buf, size_t len)
StartDataPtrType StartDataPtr
static void tarClose(ArchiveHandle *AH, TAR_MEMBER *TH)
WriteBytePtrType WriteBytePtr
static void _PrintExtraToc(ArchiveHandle *AH, TocEntry *te)
static void _EndBlobs(ArchiveHandle *AH, TocEntry *te)
static const char * modulename
PrintTocDataPtrType PrintTocDataPtr
WriteDataPtrType WriteDataPtr
#define NULL
Definition: c.h:229
static void _EndData(ArchiveHandle *AH, TocEntry *te)
EndBlobsPtrType EndBlobsPtr
static void _PrintTocData(ArchiveHandle *AH, TocEntry *te)
static void _ArchiveEntry(ArchiveHandle *AH, TocEntry *te)
ArchiveEntryPtrType ArchiveEntryPtr
static void _StartBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
void exit_horribly(const char *modulename, const char *fmt,...)
ClonePtrType ClonePtr
static void _CloseArchive(ArchiveHandle *AH)
static void _WriteData(ArchiveHandle *AH, const void *data, size_t dLen)
const char * strerror(int errnum)
Definition: strerror.c:19
WorkerJobRestorePtrType WorkerJobRestorePtr
bool checkSeek(FILE *fp)
ClosePtrType ClosePtr
PrintExtraTocPtrType PrintExtraTocPtr
static void _ReadBuf(ArchiveHandle *AH, void *buf, size_t len)
static void _WriteExtraToc(ArchiveHandle *AH, TocEntry *te)
pgoff_t filePos
static int _ReadByte(ArchiveHandle *)
WriteExtraTocPtrType WriteExtraTocPtr
#define LOBBUFSIZE
static int _WriteByte(ArchiveHandle *AH, const int i)
ReadExtraTocPtrType ReadExtraTocPtr
static void _ReadExtraToc(ArchiveHandle *AH, TocEntry *te)
WorkerJobDumpPtrType WorkerJobDumpPtr
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 4174 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().

4175 {
4176  int status;
4177 
4178  Assert(AH->connection != NULL);
4179 
4180  /* Count only errors associated with this TOC entry */
4181  AH->public.n_errors = 0;
4182 
4183  /* Restore the TOC item */
4184  status = restore_toc_entry(AH, te, true);
4185 
4186  return status;
4187 }
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 3625 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().

3626 {
3627  char tmpMag[7];
3628  int fmt;
3629  struct tm crtm;
3630 
3631  /*
3632  * If we haven't already read the header, do so.
3633  *
3634  * NB: this code must agree with _discoverArchiveFormat(). Maybe find a
3635  * way to unify the cases?
3636  */
3637  if (!AH->readHeader)
3638  {
3639  char vmaj,
3640  vmin,
3641  vrev;
3642 
3643  (*AH->ReadBufPtr) (AH, tmpMag, 5);
3644 
3645  if (strncmp(tmpMag, "PGDMP", 5) != 0)
3646  exit_horribly(modulename, "did not find magic string in file header\n");
3647 
3648  vmaj = (*AH->ReadBytePtr) (AH);
3649  vmin = (*AH->ReadBytePtr) (AH);
3650 
3651  if (vmaj > 1 || (vmaj == 1 && vmin > 0)) /* Version > 1.0 */
3652  vrev = (*AH->ReadBytePtr) (AH);
3653  else
3654  vrev = 0;
3655 
3656  AH->version = MAKE_ARCHIVE_VERSION(vmaj, vmin, vrev);
3657 
3658  if (AH->version < K_VERS_1_0 || AH->version > K_VERS_MAX)
3659  exit_horribly(modulename, "unsupported version (%d.%d) in file header\n",
3660  vmaj, vmin);
3661 
3662  AH->intSize = (*AH->ReadBytePtr) (AH);
3663  if (AH->intSize > 32)
3664  exit_horribly(modulename, "sanity check on integer size (%lu) failed\n",
3665  (unsigned long) AH->intSize);
3666 
3667  if (AH->intSize > sizeof(int))
3668  write_msg(modulename, "WARNING: archive was made on a machine with larger integers, some operations might fail\n");
3669 
3670  if (AH->version >= K_VERS_1_7)
3671  AH->offSize = (*AH->ReadBytePtr) (AH);
3672  else
3673  AH->offSize = AH->intSize;
3674 
3675  fmt = (*AH->ReadBytePtr) (AH);
3676 
3677  if (AH->format != fmt)
3678  exit_horribly(modulename, "expected format (%d) differs from format found in file (%d)\n",
3679  AH->format, fmt);
3680  }
3681 
3682  if (AH->version >= K_VERS_1_2)
3683  {
3684  if (AH->version < K_VERS_1_4)
3685  AH->compression = (*AH->ReadBytePtr) (AH);
3686  else
3687  AH->compression = ReadInt(AH);
3688  }
3689  else
3691 
3692 #ifndef HAVE_LIBZ
3693  if (AH->compression != 0)
3694  write_msg(modulename, "WARNING: archive is compressed, but this installation does not support compression -- no data will be available\n");
3695 #endif
3696 
3697  if (AH->version >= K_VERS_1_4)
3698  {
3699  crtm.tm_sec = ReadInt(AH);
3700  crtm.tm_min = ReadInt(AH);
3701  crtm.tm_hour = ReadInt(AH);
3702  crtm.tm_mday = ReadInt(AH);
3703  crtm.tm_mon = ReadInt(AH);
3704  crtm.tm_year = ReadInt(AH);
3705  crtm.tm_isdst = ReadInt(AH);
3706 
3707  AH->archdbname = ReadStr(AH);
3708 
3709  AH->createDate = mktime(&crtm);
3710 
3711  if (AH->createDate == (time_t) -1)
3712  write_msg(modulename, "WARNING: invalid creation date in header\n");
3713  }
3714 
3715  if (AH->version >= K_VERS_1_10)
3716  {
3717  AH->archiveRemoteVersion = ReadStr(AH);
3718  AH->archiveDumpVersion = ReadStr(AH);
3719  }
3720 }
ReadBufPtrType ReadBufPtr
#define Z_DEFAULT_COMPRESSION
#define K_VERS_1_0
int ReadInt(ArchiveHandle *AH)
#define K_VERS_1_4
ReadBytePtrType ReadBytePtr
static struct pg_tm tm
Definition: localtime.c:111
#define K_VERS_1_7
#define MAKE_ARCHIVE_VERSION(major, minor, rev)
#define K_VERS_1_2
#define K_VERS_1_10
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 2004 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().

2005 {
2006  int res = 0;
2007  int bv,
2008  b;
2009  int sign = 0; /* Default positive */
2010  int bitShift = 0;
2011 
2012  if (AH->version > K_VERS_1_0)
2013  /* Read a sign byte */
2014  sign = (*AH->ReadBytePtr) (AH);
2015 
2016  for (b = 0; b < AH->intSize; b++)
2017  {
2018  bv = (*AH->ReadBytePtr) (AH) & 0xFF;
2019  if (bv != 0)
2020  res = res + (bv << bitShift);
2021  bitShift += 8;
2022  }
2023 
2024  if (sign)
2025  res = -res;
2026 
2027  return res;
2028 }
#define K_VERS_1_0
ReadBytePtrType ReadBytePtr
char sign
Definition: informix.c:693
int ReadOffset ( ArchiveHandle ,
pgoff_t  
)

Definition at line 1909 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().

1910 {
1911  int i;
1912  int off;
1913  int offsetFlg;
1914 
1915  /* Initialize to zero */
1916  *o = 0;
1917 
1918  /* Check for old version */
1919  if (AH->version < K_VERS_1_7)
1920  {
1921  /* Prior versions wrote offsets using WriteInt */
1922  i = ReadInt(AH);
1923  /* -1 means not set */
1924  if (i < 0)
1925  return K_OFFSET_POS_NOT_SET;
1926  else if (i == 0)
1927  return K_OFFSET_NO_DATA;
1928 
1929  /* Cast to pgoff_t because it was written as an int. */
1930  *o = (pgoff_t) i;
1931  return K_OFFSET_POS_SET;
1932  }
1933 
1934  /*
1935  * Read the flag indicating the state of the data pointer. Check if valid
1936  * and die if not.
1937  *
1938  * This used to be handled by a negative or zero pointer, now we use an
1939  * extra byte specifically for the state.
1940  */
1941  offsetFlg = (*AH->ReadBytePtr) (AH) & 0xFF;
1942 
1943  switch (offsetFlg)
1944  {
1945  case K_OFFSET_POS_NOT_SET:
1946  case K_OFFSET_NO_DATA:
1947  case K_OFFSET_POS_SET:
1948 
1949  break;
1950 
1951  default:
1952  exit_horribly(modulename, "unexpected data offset flag %d\n", offsetFlg);
1953  }
1954 
1955  /*
1956  * Read the bytes
1957  */
1958  for (off = 0; off < AH->offSize; off++)
1959  {
1960  if (off < sizeof(pgoff_t))
1961  *o |= ((pgoff_t) ((*AH->ReadBytePtr) (AH))) << (off * 8);
1962  else
1963  {
1964  if ((*AH->ReadBytePtr) (AH) != 0)
1965  exit_horribly(modulename, "file offset in dump file is too large\n");
1966  }
1967  }
1968 
1969  return offsetFlg;
1970 }
int ReadInt(ArchiveHandle *AH)
#define K_VERS_1_7
#define K_OFFSET_NO_DATA
#define pgoff_t
Definition: win32.h:231
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 2050 of file pg_backup_archiver.c.

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

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

2051 {
2052  char *buf;
2053  int l;
2054 
2055  l = ReadInt(AH);
2056  if (l < 0)
2057  buf = NULL;
2058  else
2059  {
2060  buf = (char *) pg_malloc(l + 1);
2061  (*AH->ReadBufPtr) (AH, (void *) buf, l);
2062 
2063  buf[l] = '\0';
2064  }
2065 
2066  return buf;
2067 }
ReadBufPtrType ReadBufPtr
void * pg_malloc(size_t size)
Definition: fe_memutils.c:47
int ReadInt(ArchiveHandle *AH)
static char * buf
Definition: pg_test_fsync.c:66
#define NULL
Definition: c.h:229
void ReadTOC ( ArchiveHandle AH)
void ReadToc ( ArchiveHandle AH)

Definition at line 2539 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().

2540 {
2541  int i;
2542  char *tmp;
2543  DumpId *deps;
2544  int depIdx;
2545  int depSize;
2546  TocEntry *te;
2547 
2548  AH->tocCount = ReadInt(AH);
2549  AH->maxDumpId = 0;
2550 
2551  for (i = 0; i < AH->tocCount; i++)
2552  {
2553  te = (TocEntry *) pg_malloc0(sizeof(TocEntry));
2554  te->dumpId = ReadInt(AH);
2555 
2556  if (te->dumpId > AH->maxDumpId)
2557  AH->maxDumpId = te->dumpId;
2558 
2559  /* Sanity check */
2560  if (te->dumpId <= 0)
2562  "entry ID %d out of range -- perhaps a corrupt TOC\n",
2563  te->dumpId);
2564 
2565  te->hadDumper = ReadInt(AH);
2566 
2567  if (AH->version >= K_VERS_1_8)
2568  {
2569  tmp = ReadStr(AH);
2570  sscanf(tmp, "%u", &te->catalogId.tableoid);
2571  free(tmp);
2572  }
2573  else
2575  tmp = ReadStr(AH);
2576  sscanf(tmp, "%u", &te->catalogId.oid);
2577  free(tmp);
2578 
2579  te->tag = ReadStr(AH);
2580  te->desc = ReadStr(AH);
2581 
2582  if (AH->version >= K_VERS_1_11)
2583  {
2584  te->section = ReadInt(AH);
2585  }
2586  else
2587  {
2588  /*
2589  * Rules for pre-8.4 archives wherein pg_dump hasn't classified
2590  * the entries into sections. This list need not cover entry
2591  * types added later than 8.4.
2592  */
2593  if (strcmp(te->desc, "COMMENT") == 0 ||
2594  strcmp(te->desc, "ACL") == 0 ||
2595  strcmp(te->desc, "ACL LANGUAGE") == 0)
2596  te->section = SECTION_NONE;
2597  else if (strcmp(te->desc, "TABLE DATA") == 0 ||
2598  strcmp(te->desc, "BLOBS") == 0 ||
2599  strcmp(te->desc, "BLOB COMMENTS") == 0)
2600  te->section = SECTION_DATA;
2601  else if (strcmp(te->desc, "CONSTRAINT") == 0 ||
2602  strcmp(te->desc, "CHECK CONSTRAINT") == 0 ||
2603  strcmp(te->desc, "FK CONSTRAINT") == 0 ||
2604  strcmp(te->desc, "INDEX") == 0 ||
2605  strcmp(te->desc, "RULE") == 0 ||
2606  strcmp(te->desc, "TRIGGER") == 0)
2607  te->section = SECTION_POST_DATA;
2608  else
2609  te->section = SECTION_PRE_DATA;
2610  }
2611 
2612  te->defn = ReadStr(AH);
2613  te->dropStmt = ReadStr(AH);
2614 
2615  if (AH->version >= K_VERS_1_3)
2616  te->copyStmt = ReadStr(AH);
2617 
2618  if (AH->version >= K_VERS_1_6)
2619  te->namespace = ReadStr(AH);
2620 
2621  if (AH->version >= K_VERS_1_10)
2622  te->tablespace = ReadStr(AH);
2623 
2624  te->owner = ReadStr(AH);
2625  if (AH->version >= K_VERS_1_9)
2626  {
2627  if (strcmp(ReadStr(AH), "true") == 0)
2628  te->withOids = true;
2629  else
2630  te->withOids = false;
2631  }
2632  else
2633  te->withOids = true;
2634 
2635  /* Read TOC entry dependencies */
2636  if (AH->version >= K_VERS_1_5)
2637  {
2638  depSize = 100;
2639  deps = (DumpId *) pg_malloc(sizeof(DumpId) * depSize);
2640  depIdx = 0;
2641  for (;;)
2642  {
2643  tmp = ReadStr(AH);
2644  if (!tmp)
2645  break; /* end of list */
2646  if (depIdx >= depSize)
2647  {
2648  depSize *= 2;
2649  deps = (DumpId *) pg_realloc(deps, sizeof(DumpId) * depSize);
2650  }
2651  sscanf(tmp, "%d", &deps[depIdx]);
2652  free(tmp);
2653  depIdx++;
2654  }
2655 
2656  if (depIdx > 0) /* We have a non-null entry */
2657  {
2658  deps = (DumpId *) pg_realloc(deps, sizeof(DumpId) * depIdx);
2659  te->dependencies = deps;
2660  te->nDeps = depIdx;
2661  }
2662  else
2663  {
2664  free(deps);
2665  te->dependencies = NULL;
2666  te->nDeps = 0;
2667  }
2668  }
2669  else
2670  {
2671  te->dependencies = NULL;
2672  te->nDeps = 0;
2673  }
2674 
2675  if (AH->ReadExtraTocPtr)
2676  (*AH->ReadExtraTocPtr) (AH, te);
2677 
2678  ahlog(AH, 3, "read TOC entry %d (ID %d) for %s %s\n",
2679  i, te->dumpId, te->desc, te->tag);
2680 
2681  /* link completed entry into TOC circular list */
2682  te->prev = AH->toc->prev;
2683  AH->toc->prev->next = te;
2684  AH->toc->prev = te;
2685  te->next = AH->toc;
2686 
2687  /* special processing immediately upon read for some items */
2688  if (strcmp(te->desc, "ENCODING") == 0)
2689  processEncodingEntry(AH, te);
2690  else if (strcmp(te->desc, "STDSTRINGS") == 0)
2691  processStdStringsEntry(AH, te);
2692  }
2693 }
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
ReadExtraTocPtrType ReadExtraTocPtr
int ReconnectToServer ( ArchiveHandle AH,
const char *  dbname,
const char *  newUser 
)

Definition at line 86 of file pg_backup_db.c.

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

Referenced by _reconnectToDB().

87 {
88  PGconn *newConn;
89  const char *newdbname;
90  const char *newusername;
91 
92  if (!dbname)
93  newdbname = PQdb(AH->connection);
94  else
95  newdbname = dbname;
96 
97  if (!username)
98  newusername = PQuser(AH->connection);
99  else
100  newusername = username;
101 
102  /* Let's see if the request is already satisfied */
103  if (strcmp(newdbname, PQdb(AH->connection)) == 0 &&
104  strcmp(newusername, PQuser(AH->connection)) == 0)
105  return 1;
106 
107  newConn = _connectDB(AH, newdbname, newusername);
108 
109  /* Update ArchiveHandle's connCancel before closing old connection */
110  set_archive_cancel_info(AH, newConn);
111 
112  PQfinish(AH->connection);
113  AH->connection = newConn;
114 
115  return 1;
116 }
static PGconn * _connectDB(ArchiveHandle *AH, const char *newdbname, const char *newUser)
Definition: pg_backup_db.c:128
void PQfinish(PGconn *conn)
Definition: fe-connect.c:3547
char * PQuser(const PGconn *conn)
Definition: fe-connect.c:5890
static char * username
Definition: initdb.c:131
char * PQdb(const PGconn *conn)
Definition: fe-connect.c:5882
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 1280 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().

1281 {
1282  bool old_blob_style = (AH->version < K_VERS_1_12);
1283  Oid loOid;
1284 
1285  AH->blobCount++;
1286 
1287  /* Initialize the LO Buffer */
1288  AH->lo_buf_used = 0;
1289 
1290  ahlog(AH, 1, "restoring large object with OID %u\n", oid);
1291 
1292  /* With an old archive we must do drop and create logic here */
1293  if (old_blob_style && drop)
1294  DropBlobIfExists(AH, oid);
1295 
1296  if (AH->connection)
1297  {
1298  if (old_blob_style)
1299  {
1300  loOid = lo_create(AH->connection, oid);
1301  if (loOid == 0 || loOid != oid)
1302  exit_horribly(modulename, "could not create large object %u: %s",
1303  oid, PQerrorMessage(AH->connection));
1304  }
1305  AH->loFd = lo_open(AH->connection, oid, INV_WRITE);
1306  if (AH->loFd == -1)
1307  exit_horribly(modulename, "could not open large object %u: %s",
1308  oid, PQerrorMessage(AH->connection));
1309  }
1310  else
1311  {
1312  if (old_blob_style)
1313  ahprintf(AH, "SELECT pg_catalog.lo_open(pg_catalog.lo_create('%u'), %d);\n",
1314  oid, INV_WRITE);
1315  else
1316  ahprintf(AH, "SELECT pg_catalog.lo_open('%u', %d);\n",
1317  oid, INV_WRITE);
1318  }
1319 
1320  AH->writingBlob = 1;
1321 }
char * PQerrorMessage(const PGconn *conn)
Definition: fe-connect.c:6014
void DropBlobIfExists(ArchiveHandle *AH, Oid oid)
Definition: pg_backup_db.c:663
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 1238 of file pg_backup_archiver.c.

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

Referenced by _LoadBlobs().

1239 {
1240  RestoreOptions *ropt = AH->public.ropt;
1241 
1242  if (!ropt->single_txn)
1243  {
1244  if (AH->connection)
1245  StartTransaction(&AH->public);
1246  else
1247  ahprintf(AH, "BEGIN;\n\n");
1248  }
1249 
1250  AH->blobCount = 0;
1251 }
RestoreOptions * ropt
Definition: pg_backup.h:181
int ahprintf(ArchiveHandle *AH, const char *fmt,...)
static void StartTransaction(void)
Definition: xact.c:1802
teReqs TocIDRequired ( ArchiveHandle AH,
DumpId  id 
)

Definition at line 1881 of file pg_backup_archiver.c.

References getTocEntryByDumpId(), and _tocEntry::reqs.

Referenced by _tarPositionTo(), and findDumpableDependencies().

1882 {
1883  TocEntry *te = getTocEntryByDumpId(AH, id);
1884 
1885  if (!te)
1886  return 0;
1887 
1888  return te->reqs;
1889 }
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 2393 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().

2394 {
2395  TocEntry *te;
2396 
2397  for (te = AH->toc->next; te != AH->toc; te = te->next)
2398  {
2399  if (!te->dataDumper)
2400  continue;
2401 
2402  if ((te->reqs & REQ_DATA) == 0)
2403  continue;
2404 
2405  if (pstate && pstate->numWorkers > 1)
2406  {
2407  /*
2408  * If we are in a parallel backup, then we are always the master
2409  * process. Dispatch each data-transfer job to a worker.
2410  */
2411  DispatchJobForTocEntry(AH, pstate, te, ACT_DUMP,
2413  }
2414  else
2416  }
2417 
2418  /*
2419  * If parallel, wait for workers to finish.
2420  */
2421  if (pstate && pstate->numWorkers > 1)
2422  WaitForWorkers(AH, pstate, WFW_ALL_IDLE);
2423 }
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 2448 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().

2449 {
2450  StartDataPtrType startPtr;
2451  EndDataPtrType endPtr;
2452 
2453  AH->currToc = te;
2454 
2455  if (strcmp(te->desc, "BLOBS") == 0)
2456  {
2457  startPtr = AH->StartBlobsPtr;
2458  endPtr = AH->EndBlobsPtr;
2459  }
2460  else
2461  {
2462  startPtr = AH->StartDataPtr;
2463  endPtr = AH->EndDataPtr;
2464  }
2465 
2466  if (startPtr != NULL)
2467  (*startPtr) (AH, te);
2468 
2469  /*
2470  * The user-provided DataDumper routine needs to call AH->WriteData
2471  */
2472  (*te->dataDumper) ((Archive *) AH, te->dataDumperArg);
2473 
2474  if (endPtr != NULL)
2475  (*endPtr) (AH, te);
2476 
2477  AH->currToc = NULL;
2478 }
EndDataPtrType EndDataPtr
DataDumperPtr dataDumper
StartBlobsPtrType StartBlobsPtr
struct _tocEntry * currToc
StartDataPtrType StartDataPtr
#define NULL
Definition: c.h:229
void(* StartDataPtrType)(ArchiveHandle *AH, TocEntry *te)
EndBlobsPtrType EndBlobsPtr
void(* EndDataPtrType)(ArchiveHandle *AH, TocEntry *te)
void WriteHead ( ArchiveHandle AH)

Definition at line 3599 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().

3600 {
3601  struct tm crtm;
3602 
3603  (*AH->WriteBufPtr) (AH, "PGDMP", 5); /* Magic code */
3604  (*AH->WriteBytePtr) (AH, ARCHIVE_MAJOR(AH->version));
3605  (*AH->WriteBytePtr) (AH, ARCHIVE_MINOR(AH->version));
3606  (*AH->WriteBytePtr) (AH, ARCHIVE_REV(AH->version));
3607  (*AH->WriteBytePtr) (AH, AH->intSize);
3608  (*AH->WriteBytePtr) (AH, AH->offSize);
3609  (*AH->WriteBytePtr) (AH, AH->format);
3610  WriteInt(AH, AH->compression);
3611  crtm = *localtime(&AH->createDate);
3612  WriteInt(AH, crtm.tm_sec);
3613  WriteInt(AH, crtm.tm_min);
3614  WriteInt(AH, crtm.tm_hour);
3615  WriteInt(AH, crtm.tm_mday);
3616  WriteInt(AH, crtm.tm_mon);
3617  WriteInt(AH, crtm.tm_year);
3618  WriteInt(AH, crtm.tm_isdst);
3619  WriteStr(AH, PQdb(AH->connection));
3620  WriteStr(AH, AH->public.remoteVersionStr);
3621  WriteStr(AH, PG_VERSION);
3622 }
WriteBufPtrType WriteBufPtr
static struct pg_tm tm
Definition: localtime.c:111
#define ARCHIVE_REV(version)
WriteBytePtrType WriteBytePtr
#define ARCHIVE_MINOR(version)
ArchiveFormat format
#define ARCHIVE_MAJOR(version)
char * PQdb(const PGconn *conn)
Definition: fe-connect.c:5882
size_t WriteInt(ArchiveHandle *AH, int i)
char * remoteVersionStr
Definition: pg_backup.h:184
size_t WriteStr(ArchiveHandle *AH, const char *c)
size_t WriteInt ( ArchiveHandle AH,
int  i 
)

Definition at line 1973 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().

1974 {
1975  int b;
1976 
1977  /*
1978  * This is a bit yucky, but I don't want to make the binary format very
1979  * dependent on representation, and not knowing much about it, I write out
1980  * a sign byte. If you change this, don't forget to change the file
1981  * version #, and modify readInt to read the new format AS WELL AS the old
1982  * formats.
1983  */
1984 
1985  /* SIGN byte */
1986  if (i < 0)
1987  {
1988  (*AH->WriteBytePtr) (AH, 1);
1989  i = -i;
1990  }
1991  else
1992  (*AH->WriteBytePtr) (AH, 0);
1993 
1994  for (b = 0; b < AH->intSize; b++)
1995  {
1996  (*AH->WriteBytePtr) (AH, i & 0xFF);
1997  i >>= 8;
1998  }
1999 
2000  return AH->intSize + 1;
2001 }
WriteBytePtrType WriteBytePtr
int i
size_t WriteOffset ( ArchiveHandle ,
pgoff_t  ,
int   
)

Definition at line 1892 of file pg_backup_archiver.c.

References pgoff_t, and _archiveHandle::WriteBytePtr.

Referenced by _WriteExtraToc().

1893 {
1894  int off;
1895 
1896  /* Save the flag */
1897  (*AH->WriteBytePtr) (AH, wasSet);
1898 
1899  /* Write out pgoff_t smallest byte first, prevents endian mismatch */
1900  for (off = 0; off < sizeof(pgoff_t); off++)
1901  {
1902  (*AH->WriteBytePtr) (AH, o & 0xFF);
1903  o >>= 8;
1904  }
1905  return sizeof(pgoff_t) + 1;
1906 }
#define pgoff_t
Definition: win32.h:231
size_t WriteStr ( ArchiveHandle AH,
const char *  s 
)

Definition at line 2031 of file pg_backup_archiver.c.

References _archiveHandle::WriteBufPtr, and WriteInt().

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

2032 {
2033  size_t res;
2034 
2035  if (c)
2036  {
2037  int len = strlen(c);
2038 
2039  res = WriteInt(AH, len);
2040  (*AH->WriteBufPtr) (AH, c, len);
2041  res += len;
2042  }
2043  else
2044  res = WriteInt(AH, -1);
2045 
2046  return res;
2047 }
WriteBufPtrType WriteBufPtr
char * c
size_t WriteInt(ArchiveHandle *AH, int i)
void void WriteTOC ( ArchiveHandle AH)
void WriteToc ( ArchiveHandle AH)

Definition at line 2481 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().

2482 {
2483  TocEntry *te;
2484  char workbuf[32];
2485  int tocCount;
2486  int i;
2487 
2488  /* count entries that will actually be dumped */
2489  tocCount = 0;
2490  for (te = AH->toc->next; te != AH->toc; te = te->next)
2491  {
2492  if ((te->reqs & (REQ_SCHEMA | REQ_DATA | REQ_SPECIAL)) != 0)
2493  tocCount++;
2494  }
2495 
2496  /* printf("%d TOC Entries to save\n", tocCount); */
2497 
2498  WriteInt(AH, tocCount);
2499 
2500  for (te = AH->toc->next; te != AH->toc; te = te->next)
2501  {
2502  if ((te->reqs & (REQ_SCHEMA | REQ_DATA | REQ_SPECIAL)) == 0)
2503  continue;
2504 
2505  WriteInt(AH, te->dumpId);
2506  WriteInt(AH, te->dataDumper ? 1 : 0);
2507 
2508  /* OID is recorded as a string for historical reasons */
2509  sprintf(workbuf, "%u", te->catalogId.tableoid);
2510  WriteStr(AH, workbuf);
2511  sprintf(workbuf, "%u", te->catalogId.oid);
2512  WriteStr(AH, workbuf);
2513 
2514  WriteStr(AH, te->tag);
2515  WriteStr(AH, te->desc);
2516  WriteInt(AH, te->section);
2517  WriteStr(AH, te->defn);
2518  WriteStr(AH, te->dropStmt);
2519  WriteStr(AH, te->copyStmt);
2520  WriteStr(AH, te->namespace);
2521  WriteStr(AH, te->tablespace);
2522  WriteStr(AH, te->owner);
2523  WriteStr(AH, te->withOids ? "true" : "false");
2524 
2525  /* Dump list of dependencies */
2526  for (i = 0; i < te->nDeps; i++)
2527  {
2528  sprintf(workbuf, "%d", te->dependencies[i]);
2529  WriteStr(AH, workbuf);
2530  }
2531  WriteStr(AH, NULL); /* Terminate List */
2532 
2533  if (AH->WriteExtraTocPtr)
2534  (*AH->WriteExtraTocPtr) (AH, te);
2535  }
2536 }
struct _tocEntry * next
Oid tableoid
Definition: pg_backup.h:225
CatalogId catalogId
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)
WriteExtraTocPtrType WriteExtraTocPtr