Arch_Page_Sys::Recovery Class Reference

Recovery system data structure for the archiver. More...

#include <arch0recv.h>

Public Member Functions
	Recovery (Arch_Page_Sys *page_sys, const char *dir_name)
	Constructor: Initialize members. More...
	~Recovery ()=default
	Destructor: Close open file and free resources. More...
dberr_t	init_dblwr ()
	Initialise the archiver's recovery system. More...
bool	scan_for_groups ()
	Scan the archive directory and fetch all info related to group directories and its files. More...
void	print ()
	Print information related to the archiver recovery system added for debugging purposes. More...
dberr_t	recover ()
	Parse for group information and fill the group. More...
dberr_t	load_archiver ()
	Load archiver with the related data and start tracking if required. More...
	Recovery (Recovery const &)=delete
	Disable copy construction. More...
Recovery &	operator= (Recovery const &)=delete
	Disable assignment. More...

Private Member Functions
void	read_group_dirs (const std::string file_path)
	Read all the group directories and store information related to them required for parsing. More...
void	read_group_files (const std::string dir_path, const std::string file_path)
	Read all the archived files belonging to a group and store information related to them required for parsing. More...

Private Attributes
std::string	m_arch_dir_name
	Archive directory. More...
Arch_Page_Sys *	m_page_sys
	Global dirty page archive system. More...
Arch_Dblwr_Ctx	m_dblwr_ctx {}
	Doublewrite buffer context. More...
Arch_Dir_Group_Info_Map	m_dir_group_info_map {}
	Mapping of group directory names and group information related to the group. More...

Detailed Description

Recovery system data structure for the archiver.

Constructor & Destructor Documentation

Recovery() [1/2]

Arch_Page_Sys::Recovery::Recovery ( Arch_Page_Sys *  page_sys, const char *  dir_name  )

inline

Constructor: Initialize members.

Parameters

[in,out]	page_sys	global dirty page archive system
[in]	dir_name	main archiver directory name

~Recovery()

Arch_Page_Sys::Recovery::~Recovery ( )

default

Destructor: Close open file and free resources.

Recovery() [2/2]

Arch_Page_Sys::Recovery::Recovery ( Recovery const &  )

delete

Disable copy construction.

Member Function Documentation

init_dblwr()

dberr_t Arch_Page_Sys::Recovery::init_dblwr

(

)

Initialise the archiver's recovery system.

Returns

error code.

load_archiver()

dberr_t Arch_Page_Sys::Recovery::load_archiver

(

)

Load archiver with the related data and start tracking if required.

Returns

error code.

operator=()

Recovery & Arch_Page_Sys::Recovery::operator= ( Recovery const &  )

delete

Disable assignment.

print()

void Arch_Page_Sys::Recovery::print

(

)

Print information related to the archiver recovery system added for debugging purposes.

read_group_dirs()

void Arch_Page_Sys::Recovery::read_group_dirs ( const std::string  file_path )

private

Read all the group directories and store information related to them required for parsing.

Parameters

[in]

file_path

file path information

read_group_files()

void Arch_Page_Sys::Recovery::read_group_files ( const std::string  dir_path, const std::string  file_path  )

private

Read all the archived files belonging to a group and store information related to them required for parsing.

Parameters

[in]	dir_path	dir path information
[in]	file_path	file path information

recover()

dberr_t Arch_Page_Sys::Recovery::recover

(

)

Parse for group information and fill the group.

Returns

error code.

scan_for_groups()

bool Arch_Page_Sys::Recovery::scan_for_groups

(

)

Scan the archive directory and fetch all info related to group directories and its files.

Returns

true if the scan was successful.

Member Data Documentation

m_arch_dir_name

std::string Arch_Page_Sys::Recovery::m_arch_dir_name

private

Archive directory.

m_dblwr_ctx

Arch_Dblwr_Ctx Arch_Page_Sys::Recovery::m_dblwr_ctx {}

private

Doublewrite buffer context.

m_dir_group_info_map

Arch_Dir_Group_Info_Map Arch_Page_Sys::Recovery::m_dir_group_info_map {}

private

Mapping of group directory names and group information related to the group.

m_page_sys

Arch_Page_Sys* Arch_Page_Sys::Recovery::m_page_sys

private

Global dirty page archive system.

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The documentation for this class was generated from the following files:

• storage/innobase/include/arch0recv.h
• storage/innobase/arch/arch0recv.cc