PostgreSQL Source Code  git master
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros
basebackup.h File Reference
#include "nodes/replnodes.h"
Include dependency graph for basebackup.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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

#define MAX_RATE_LOWER   32

Definition at line 20 of file basebackup.h.

Referenced by parse_basebackup_options().

#define MAX_RATE_UPPER   1048576

Definition at line 21 of file basebackup.h.

Referenced by parse_basebackup_options(), and parse_max_rate().

Function Documentation

void SendBaseBackup ( BaseBackupCmd cmd)

Definition at line 686 of file basebackup.c.

References AllocateDir(), ereport, errmsg(), ERROR, FreeDir(), 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().

687 {
688  DIR *dir;
689  basebackup_options opt;
690 
691  parse_basebackup_options(cmd->options, &opt);
692 
694 
696  {
697  char activitymsg[50];
698 
699  snprintf(activitymsg, sizeof(activitymsg), "sending backup \"%s\"",
700  opt.label);
701  set_ps_display(activitymsg, false);
702  }
703 
704  /* Make sure we can open the directory with tablespaces in it */
705  dir = AllocateDir("pg_tblspc");
706  if (!dir)
707  ereport(ERROR,
708  (errmsg("could not open directory \"%s\": %m", "pg_tblspc")));
709 
710  perform_base_backup(&opt, dir);
711 
712  FreeDir(dir);
713 }
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:580
int snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
Definition: dirent.c:25
#define ERROR
Definition: elog.h:43
static void perform_base_backup(basebackup_options *opt, DIR *tblspcdir)
Definition: basebackup.c:187
const char * label
Definition: basebackup.c:44
DIR * AllocateDir(const char *dirname)
Definition: fd.c:2298
#define ereport(elevel, rest)
Definition: elog.h:122
void WalSndSetState(WalSndState state)
Definition: walsender.c:2952
int errmsg(const char *fmt,...)
Definition: elog.c:797
int FreeDir(DIR *dir)
Definition: fd.c:2407
int64 sendTablespace ( char *  path,
bool  sizeonly 
)

Definition at line 906 of file basebackup.c.

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

Referenced by do_pg_start_backup(), and perform_base_backup().

907 {
908  int64 size;
909  char pathbuf[MAXPGPATH];
910  struct stat statbuf;
911 
912  /*
913  * 'path' points to the tablespace location, but we only want to include
914  * the version directory in it that belongs to us.
915  */
916  snprintf(pathbuf, sizeof(pathbuf), "%s/%s", path,
918 
919  /*
920  * Store a directory entry in the tar file so we get the permissions
921  * right.
922  */
923  if (lstat(pathbuf, &statbuf) != 0)
924  {
925  if (errno != ENOENT)
926  ereport(ERROR,
928  errmsg("could not stat file or directory \"%s\": %m",
929  pathbuf)));
930 
931  /* If the tablespace went away while scanning, it's no error. */
932  return 0;
933  }
934 
936  sizeonly);
937 
938  /* Send all the files in the tablespace version directory */
939  size += sendDir(pathbuf, strlen(path), sizeonly, NIL, true);
940 
941  return size;
942 }
static int64 sendDir(char *path, int basepathlen, bool sizeonly, List *tablespaces, bool sendtblspclinks)
Definition: basebackup.c:957
#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
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:1275
#define ereport(elevel, rest)
Definition: elog.h:122
#define NULL
Definition: c.h:229
#define TABLESPACE_VERSION_DIRECTORY
Definition: catalog.h:26
int errmsg(const char *fmt,...)
Definition: elog.c:797
#define lstat(path, sb)
Definition: win32.h:272