group_replication_elect_prefers_most_updated.cc File Reference

#include <my_time.h>
#include <mysql/components/component_implementation.h>
#include <mysql/components/my_service.h>
#include <mysql/components/service_implementation.h>
#include <mysql/components/services/component_status_var_service.h>
#include <mysql/components/services/component_sys_var_service.h>
#include <mysql/components/services/log_builtins.h>
#include <mysql/components/services/mysql_runtime_error_service.h>
#include <mysqld_error.h>
#include <atomic>
#include "mysql/components/services/group_replication_elect_prefers_most_updated_service.h"
#include "mysql/components/services/registry.h"

Classes
class	Group_replication_primary_election_imp

Functions
	REQUIRES_SERVICE_PLACEHOLDER (mysql_runtime_error)
	REQUIRES_SERVICE_PLACEHOLDER (component_sys_variable_register)
	REQUIRES_SERVICE_PLACEHOLDER (component_sys_variable_unregister)
	REQUIRES_SERVICE_PLACEHOLDER (registry_registration)
	REQUIRES_SERVICE_PLACEHOLDER_AS (status_variable_registration, statvar_register_srv)
	REQUIRES_SERVICE_PLACEHOLDER_AS (log_builtins, log_bi)
	REQUIRES_SERVICE_PLACEHOLDER_AS (log_builtins_string, log_bs)
const std::string	comp_enable_full_error_name (std::string(component_name)+std::string(".")+std::string(component_name))
static int	gr_primary_election_uptodate_to_apply (THD *, SHOW_VAR *var, char *buf)
static int	gr_primary_election_uptodate_timestamp (THD *, SHOW_VAR *var, char *buf)
int	register_system_variables ()
	Register global system variables with component information. More...
int	unregister_system_variables ()
	Unregister global system variables with component information. More...
mysql_service_status_t	group_replication_primary_election_init ()
	Initialization entry method for Component used when loading the Component. More...
mysql_service_status_t	group_replication_primary_election_deinit ()
	De-initialization method for Component used when unloading the Component. More...
	PROVIDES_SERVICE (group_replication_primary_election, group_replication_primary_election)
	END_COMPONENT_PROVIDES ()
	REQUIRES_SERVICE (mysql_runtime_error)
	REQUIRES_SERVICE_AS (status_variable_registration, statvar_register_srv)
	REQUIRES_SERVICE (component_sys_variable_register)
	REQUIRES_SERVICE (component_sys_variable_unregister)
	REQUIRES_SERVICE (registry_registration)
	REQUIRES_SERVICE_AS (log_builtins, log_bi)
	REQUIRES_SERVICE_AS (log_builtins_string, log_bs)
	END_COMPONENT_REQUIRES ()
	METADATA ("mysql.author", "Oracle Corporation")
	METADATA ("mysql.license", "GPL")
	END_COMPONENT_METADATA ()
DECLARE_LIBRARY_COMPONENTS &	COMPONENT_REF (group_replication_primary_election_component)

Variables
const char	component_name [] = LOG_COMPONENT_TAG
const char	component_enable_var_name [] = "enabled"
static std::atomic< bool >	enabled {true}
static std::atomic< uint64_t >	gr_most_uptodate_delta_to_apply {0}
static std::string	gr_most_uptodate_timestamp {""}
static SHOW_VAR	status_func_var []
const mysql_service_group_replication_primary_election_t	imp_group_replication_primary_election_group_replication_primary_election
mysql_component_t	mysql_component_group_replication_primary_election_component

Function Documentation

comp_enable_full_error_name()

const std::string comp_enable_full_error_name

(

std::string(component_name)+std::string(".")+std::string(component_name)

)

COMPONENT_REF()

DECLARE_LIBRARY_COMPONENTS & COMPONENT_REF

(

group_replication_primary_election_component

)

END_COMPONENT_METADATA()

END_COMPONENT_METADATA

(

)

END_COMPONENT_PROVIDES()

END_COMPONENT_PROVIDES

(

)

END_COMPONENT_REQUIRES()

END_COMPONENT_REQUIRES

(

)

gr_primary_election_uptodate_timestamp()

static int gr_primary_election_uptodate_timestamp ( THD *  , SHOW_VAR *  var, char *  buf  )

static

gr_primary_election_uptodate_to_apply()

static int gr_primary_election_uptodate_to_apply ( THD *  , SHOW_VAR *  var, char *  buf  )

static

group_replication_primary_election_deinit()

mysql_service_status_t group_replication_primary_election_deinit

(

)

De-initialization method for Component used when unloading the Component.

Returns

Status of performed operation

Return values

0	success
non-zero	failure

group_replication_primary_election_init()

mysql_service_status_t group_replication_primary_election_init

(

)

Initialization entry method for Component used when loading the Component.

Returns

Status of performed operation

Return values

0	success
non-zero	failure

METADATA() [1/2]

METADATA	(	"mysql.author"	,
		"Oracle Corporation"
	)

METADATA() [2/2]

METADATA	(	"mysql.license"	,
		"GPL"
	)

PROVIDES_SERVICE()

PROVIDES_SERVICE	(	group_replication_primary_election	,
		group_replication_primary_election
	)

register_system_variables()

int register_system_variables

(

)

Register global system variables with component information.

Returns

Status of performed operation

Return values

0	success
non-zero	failure

REQUIRES_SERVICE() [1/4]

REQUIRES_SERVICE

(

component_sys_variable_register

)

REQUIRES_SERVICE() [2/4]

REQUIRES_SERVICE

(

component_sys_variable_unregister

)

REQUIRES_SERVICE() [3/4]

REQUIRES_SERVICE

(

mysql_runtime_error

)

REQUIRES_SERVICE() [4/4]

REQUIRES_SERVICE

(

registry_registration

)

REQUIRES_SERVICE_AS() [1/3]

REQUIRES_SERVICE_AS	(	log_builtins	,
		log_bi
	)

REQUIRES_SERVICE_AS() [2/3]

REQUIRES_SERVICE_AS	(	log_builtins_string	,
		log_bs
	)

REQUIRES_SERVICE_AS() [3/3]

REQUIRES_SERVICE_AS	(	status_variable_registration	,
		statvar_register_srv
	)

REQUIRES_SERVICE_PLACEHOLDER() [1/4]

REQUIRES_SERVICE_PLACEHOLDER

(

component_sys_variable_register

)

REQUIRES_SERVICE_PLACEHOLDER() [2/4]

REQUIRES_SERVICE_PLACEHOLDER

(

component_sys_variable_unregister

)

REQUIRES_SERVICE_PLACEHOLDER() [3/4]

REQUIRES_SERVICE_PLACEHOLDER

(

mysql_runtime_error

)

REQUIRES_SERVICE_PLACEHOLDER() [4/4]

REQUIRES_SERVICE_PLACEHOLDER

(

registry_registration

)

REQUIRES_SERVICE_PLACEHOLDER_AS() [1/3]

REQUIRES_SERVICE_PLACEHOLDER_AS	(	log_builtins	,
		log_bi
	)

REQUIRES_SERVICE_PLACEHOLDER_AS() [2/3]

REQUIRES_SERVICE_PLACEHOLDER_AS	(	log_builtins_string	,
		log_bs
	)

REQUIRES_SERVICE_PLACEHOLDER_AS() [3/3]

REQUIRES_SERVICE_PLACEHOLDER_AS	(	status_variable_registration	,
		statvar_register_srv
	)

unregister_system_variables()

int unregister_system_variables

(

)

Unregister global system variables with component information.

Returns

Status of performed operation

Return values

0	success
non-zero	failure

Variable Documentation

component_enable_var_name

const char component_enable_var_name[] = "enabled"

component_name

const char component_name[] = LOG_COMPONENT_TAG

enabled

std::atomic<bool> enabled {true}

static

gr_most_uptodate_delta_to_apply

std::atomic<uint64_t> gr_most_uptodate_delta_to_apply {0}

static

gr_most_uptodate_timestamp

std::string gr_most_uptodate_timestamp {""}

static

imp_group_replication_primary_election_group_replication_primary_election

const mysql_service_group_replication_primary_election_t imp_group_replication_primary_election_group_replication_primary_election

Initial value:

= {
Group_replication_primary_election_imp::update_primary_election_status,
    }

mysql_component_group_replication_primary_election_component

mysql_component_t mysql_component_group_replication_primary_election_component

Initial value:

= {    "mysql:group_replication_elect_prefers_most_updated" , __group_replication_primary_election_component_provides, __group_replication_primary_election_component_requires,   __group_replication_primary_election_component_metadata,
group_replication_primary_election_init,
    group_replication_primary_election_deinit, }

status_func_var

SHOW_VAR status_func_var[]

static

Initial value:

= {
    {"Gr_latest_primary_election_by_most_uptodate_members_trx_delta",
     reinterpret_cast<char *>(gr_primary_election_uptodate_to_apply), SHOW_FUNC,
     SHOW_SCOPE_GLOBAL},
    {"Gr_latest_primary_election_by_most_uptodate_member_timestamp",
     reinterpret_cast<char *>(gr_primary_election_uptodate_timestamp),
     SHOW_FUNC, SHOW_SCOPE_GLOBAL},
    {nullptr, nullptr, SHOW_UNDEF,
     SHOW_SCOPE_UNDEF}  
}