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 748 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().

749 {
750  basebackup_options opt;
751 
752  parse_basebackup_options(cmd->options, &opt);
753 
755 
757  {
758  char activitymsg[50];
759 
760  snprintf(activitymsg, sizeof(activitymsg), "sending backup \"%s\"",
761  opt.label);
762  set_ps_display(activitymsg, false);
763  }
764 
765  perform_base_backup(&opt);
766 }
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:326
static void parse_basebackup_options(List *options, basebackup_options *opt)
Definition: basebackup.c:632
int snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
const char * label
Definition: basebackup.c:48
static void perform_base_backup(basebackup_options *opt)
Definition: basebackup.c:219
void WalSndSetState(WalSndState state)
Definition: walsender.c:3113

◆ sendTablespace()

int64 sendTablespace ( char *  path,
bool  sizeonly 
)

Definition at line 959 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().

960 {
961  int64 size;
962  char pathbuf[MAXPGPATH];
963  struct stat statbuf;
964 
965  /*
966  * 'path' points to the tablespace location, but we only want to include
967  * the version directory in it that belongs to us.
968  */
969  snprintf(pathbuf, sizeof(pathbuf), "%s/%s", path,
971 
972  /*
973  * Store a directory entry in the tar file so we get the permissions
974  * right.
975  */
976  if (lstat(pathbuf, &statbuf) != 0)
977  {
978  if (errno != ENOENT)
979  ereport(ERROR,
981  errmsg("could not stat file or directory \"%s\": %m",
982  pathbuf)));
983 
984  /* If the tablespace went away while scanning, it's no error. */
985  return 0;
986  }
987 
988  size = _tarWriteHeader(TABLESPACE_VERSION_DIRECTORY, NULL, &statbuf,
989  sizeonly);
990 
991  /* Send all the files in the tablespace version directory */
992  size += sendDir(pathbuf, strlen(path), sizeonly, NIL, true);
993 
994  return size;
995 }
#define NIL
Definition: pg_list.h:69
int snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
#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:598
static int64 _tarWriteHeader(const char *filename, const char *linktarget, struct stat *statbuf, bool sizeonly)
Definition: basebackup.c:1582
#define ereport(elevel, rest)
Definition: elog.h:122
#define stat(a, b)
Definition: win32_port.h:266
#define lstat(path, sb)
Definition: win32_port.h:255
static int64 sendDir(const char *path, int basepathlen, bool sizeonly, List *tablespaces, bool sendtblspclinks)
Definition: basebackup.c:1010
int errmsg(const char *fmt,...)
Definition: elog.c:797