shard_metadata.h File Reference

#include "config.h"
#include "broker_config.h"
#include "cas_protocol.h"
#include "shard_key.h"
#include "broker_shm.h"

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Functions
int	shard_metadata_initialize (T_BROKER_INFO *br_info, T_SHM_PROXY *shm_proxy_p)
T_SHM_SHARD_USER *	shard_metadata_get_user (T_SHM_PROXY *shm_proxy_p)
T_SHM_SHARD_KEY *	shard_metadata_get_key (T_SHM_PROXY *shm_proxy_p)
T_SHM_SHARD_CONN *	shard_metadata_get_conn (T_SHM_PROXY *shm_proxy_p)
void	shard_metadata_dump_internal (FILE *fp, T_SHM_PROXY *shm_proxy_p)
void	shard_metadata_dump (FILE *fp, int shmid)
T_SHARD_KEY *	shard_metadata_bsearch_key (T_SHM_SHARD_KEY *shm_key_p, const char *keycolumn)
T_SHARD_KEY_RANGE *	shard_metadata_bsearch_range (T_SHARD_KEY *key_p, unsigned int hash_res)
T_SHARD_KEY_RANGE *	shard_metadata_find_shard_range (T_SHM_SHARD_KEY *shm_key_p, const char *key, unsigned int hash_res)
T_SHARD_USER *	shard_metadata_get_shard_user (T_SHM_SHARD_USER *shm_user_p)
T_SHARD_USER *	shard_metadata_get_shard_user_from_shm (T_SHM_PROXY *shm_proxy_p)
int	load_shard_key_function (const char *library_name, const char *function_name)
void	close_shard_key_function (void)

Variables
FN_GET_SHARD_KEY	fn_get_shard_key

Function Documentation

void close_shard_key_function

(

void

)

Definition at line 934 of file shard_metadata.c.

References fn_get_shard_key, handle, and NULL.

Referenced by register_fn_get_shard_key(), and shard_metadata_validate_key_function().

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int load_shard_key_function	(	const char *	library_name,
		const char *	function_name
	)

Definition at line 909 of file shard_metadata.c.

References fn_get_shard_key, handle, and NULL.

Referenced by register_fn_get_shard_key(), and shard_metadata_validate_key_function().

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T_SHARD_KEY* shard_metadata_bsearch_key	(	T_SHM_SHARD_KEY *	shm_key_p,
		const char *	keycolumn
	)

Definition at line 798 of file shard_metadata.c.

References t_shard_key::key_column, max, min, NULL, t_shm_shard_key::num_shard_key, and t_shm_shard_key::shard_key.

Referenced by shard_metadata_find_shard_range().

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T_SHARD_KEY_RANGE* shard_metadata_bsearch_range	(	T_SHARD_KEY *	key_p,
		unsigned int	hash_res
	)

Definition at line 832 of file shard_metadata.c.

References max, t_shard_key_range::max, min, t_shard_key_range::min, NULL, t_shard_key::num_key_range, and t_shard_key::range.

Referenced by shard_metadata_find_shard_range().

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void shard_metadata_dump	(	FILE *	fp,
		int	shmid
	)

Definition at line 596 of file shard_metadata.c.

References NULL, SHARD_ERR, shard_metadata_dump_internal(), SHM_MODE_MONITOR, SHM_PROXY, shm_proxy_p, uw_shm_detach(), and uw_shm_open().

Referenced by broker_config_dump().

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void shard_metadata_dump_internal	(	FILE *	fp,
		T_SHM_PROXY *	shm_proxy_p
	)

Definition at line 566 of file shard_metadata.c.

References assert, shard_metadata_dump_conn(), shard_metadata_dump_key(), shard_metadata_dump_user(), shard_metadata_get_conn(), shard_metadata_get_key(), shard_metadata_get_user(), shm_conn_p, shm_key_p, and shm_user_p.

Referenced by shard_metadata_dump().

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T_SHARD_KEY_RANGE* shard_metadata_find_shard_range	(	T_SHM_SHARD_KEY *	shm_key_p,
		const char *	key,
		unsigned int	hash_res
	)

Definition at line 865 of file shard_metadata.c.

References NULL, shard_metadata_bsearch_key(), and shard_metadata_bsearch_range().

Referenced by admin_getid_cmd(), proxy_get_range_by_param(), and shard_stmt_change_shard_val_to_id().

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T_SHM_SHARD_CONN* shard_metadata_get_conn

(

T_SHM_PROXY *

shm_proxy_p

)

Definition at line 426 of file shard_metadata.c.

References assert, shm_conn_p, and t_shm_proxy::shm_shard_conn.

Referenced by admin_getid_cmd(), metadata_monitor(), proxy_shm_initialize(), shard_metadata_dump_internal(), shard_metadata_read_conn(), shard_metadata_validate(), and shard_shm_initialize_shm_proxy().

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T_SHM_SHARD_KEY* shard_metadata_get_key

(

T_SHM_PROXY *

shm_proxy_p

)

Definition at line 414 of file shard_metadata.c.

References assert, shm_key_p, and t_shm_proxy::shm_shard_key.

Referenced by admin_getid_cmd(), metadata_monitor(), proxy_shm_initialize(), shard_metadata_dump_internal(), shard_metadata_read_key(), shard_metadata_validate(), and shard_shm_initialize_shm_proxy().

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T_SHARD_USER* shard_metadata_get_shard_user

(

T_SHM_SHARD_USER *

shm_user_p

)

Definition at line 877 of file shard_metadata.c.

References assert, NULL, t_shm_shard_user::num_shard_user, and t_shm_shard_user::shard_user.

Referenced by proxy_check_authorization().

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T_SHARD_USER* shard_metadata_get_shard_user_from_shm

(

T_SHM_PROXY *

shm_proxy_p

)

Definition at line 889 of file shard_metadata.c.

References assert, NULL, shard_metadata_get_user(), t_shm_shard_user::shard_user, and shm_user_p.

T_SHM_SHARD_USER* shard_metadata_get_user

(

T_SHM_PROXY *

shm_proxy_p

)

Definition at line 402 of file shard_metadata.c.

References assert, t_shm_proxy::shm_shard_user, and shm_user_p.

Referenced by metadata_monitor(), proxy_shm_initialize(), shard_metadata_dump_internal(), shard_metadata_get_shard_user_from_shm(), shard_metadata_read_user(), and shard_metadata_validate().

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int shard_metadata_initialize	(	T_BROKER_INFO *	br_info,
		T_SHM_PROXY *	shm_proxy_p
	)

Definition at line 438 of file shard_metadata.c.

References assert, t_broker_info::name, t_shm_shard_conn::num_shard_conn, t_shm_shard_key::num_shard_key, t_shm_shard_user::num_shard_user, t_broker_info::shard_connection_file, t_broker_info::shard_db_name, t_broker_info::shard_db_password, t_broker_info::shard_db_user, SHARD_INF, t_broker_info::shard_key_file, shard_metadata_dump_conn(), shard_metadata_dump_key(), shard_metadata_read_conn(), shard_metadata_read_key(), shard_metadata_read_user(), shard_metadata_sort_conn(), shard_metadata_sort_key(), shard_metadata_validate(), shm_conn_p, shm_key_p, t_shm_proxy::shm_shard_conn, t_shm_proxy::shm_shard_key, and shm_user_p.

Referenced by shard_shm_initialize_shm_proxy().

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Variable Documentation

FN_GET_SHARD_KEY fn_get_shard_key

Definition at line 62 of file shard_metadata.c.

Referenced by close_shard_key_function(), load_shard_key_function(), and register_fn_get_shard_key().