PostgreSQL Source Code  git master
basebackup.h File Reference
#include "nodes/replnodes.h"
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Data Structures

struct  tablespaceinfo
 

Macros

#define MAX_RATE_LOWER   32
 
#define MAX_RATE_UPPER   1048576
 

Functions

void SendBaseBackup (BaseBackupCmd *cmd)
 
int64 sendTablespace (char *path, bool sizeonly)
 

Macro Definition Documentation

◆ MAX_RATE_LOWER

#define MAX_RATE_LOWER   32

Definition at line 20 of file basebackup.h.

Referenced by parse_basebackup_options().

◆ MAX_RATE_UPPER

#define MAX_RATE_UPPER   1048576

Definition at line 21 of file basebackup.h.

Referenced by parse_basebackup_options(), and parse_max_rate().

Function Documentation

◆ SendBaseBackup()

void SendBaseBackup ( BaseBackupCmd cmd)

Definition at line 760 of file basebackup.c.

References basebackup_options::label, BaseBackupCmd::options, parse_basebackup_options(), perform_base_backup(), set_ps_display(), snprintf, update_process_title, WalSndSetState(), and WALSNDSTATE_BACKUP.

Referenced by exec_replication_command().

761 {
762  basebackup_options opt;
763 
764  parse_basebackup_options(cmd->options, &opt);
765 
767 
769  {
770  char activitymsg[50];
771 
772  snprintf(activitymsg, sizeof(activitymsg), "sending backup \"%s\"",
773  opt.label);
774  set_ps_display(activitymsg, false);
775  }
776 
777  perform_base_backup(&opt);
778 }
List * options
Definition: replnodes.h:44
bool update_process_title
Definition: ps_status.c:35
void set_ps_display(const char *activity, bool force)
Definition: ps_status.c:331
static void parse_basebackup_options(List *options, basebackup_options *opt)
Definition: basebackup.c:644
const char * label
Definition: basebackup.c:48
static void perform_base_backup(basebackup_options *opt)
Definition: basebackup.c:238
void WalSndSetState(WalSndState state)
Definition: walsender.c:3166
#define snprintf
Definition: port.h:192

◆ sendTablespace()

int64 sendTablespace ( char *  path,
bool  sizeonly 
)

Definition at line 971 of file basebackup.c.

References _tarWriteHeader(), ereport, errcode_for_file_access(), errmsg(), ERROR, lstat, MAXPGPATH, NIL, sendDir(), snprintf, stat, and TABLESPACE_VERSION_DIRECTORY.

Referenced by do_pg_start_backup(), and perform_base_backup().

972 {
973  int64 size;
974  char pathbuf[MAXPGPATH];
975  struct stat statbuf;
976 
977  /*
978  * 'path' points to the tablespace location, but we only want to include
979  * the version directory in it that belongs to us.
980  */
981  snprintf(pathbuf, sizeof(pathbuf), "%s/%s", path,
983 
984  /*
985  * Store a directory entry in the tar file so we get the permissions
986  * right.
987  */
988  if (lstat(pathbuf, &statbuf) != 0)
989  {
990  if (errno != ENOENT)
991  ereport(ERROR,
993  errmsg("could not stat file or directory \"%s\": %m",
994  pathbuf)));
995 
996  /* If the tablespace went away while scanning, it's no error. */
997  return 0;
998  }
999 
1000  size = _tarWriteHeader(TABLESPACE_VERSION_DIRECTORY, NULL, &statbuf,
1001  sizeonly);
1002 
1003  /* Send all the files in the tablespace version directory */
1004  size += sendDir(pathbuf, strlen(path), sizeonly, NIL, true);
1005 
1006  return size;
1007 }
#define NIL
Definition: pg_list.h:65
#define ERROR
Definition: elog.h:43
#define MAXPGPATH
#define TABLESPACE_VERSION_DIRECTORY
Definition: relpath.h:26
int errcode_for_file_access(void)
Definition: elog.c:593
static int64 _tarWriteHeader(const char *filename, const char *linktarget, struct stat *statbuf, bool sizeonly)
Definition: basebackup.c:1617
#define ereport(elevel, rest)
Definition: elog.h:141
#define stat(a, b)
Definition: win32_port.h:255
#define lstat(path, sb)
Definition: win32_port.h:244
static int64 sendDir(const char *path, int basepathlen, bool sizeonly, List *tablespaces, bool sendtblspclinks)
Definition: basebackup.c:1022
int errmsg(const char *fmt,...)
Definition: elog.c:784
#define snprintf
Definition: port.h:192