/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef RPL_FILTER_H
#define RPL_FILTER_H
#include "mysql.h"
#include "mysqld.h"
#include "sql_list.h" /* I_List */
#include "hash.h" /* HASH */
class String;
struct TABLE_LIST;
typedef struct st_dynamic_array DYNAMIC_ARRAY;
typedef struct st_table_rule_ent
{
char* db;
char* tbl_name;
uint key_len;
} TABLE_RULE_ENT;
/*
Rpl_filter
Inclusion and exclusion rules of tables and databases.
Also handles rewrites of db.
Used for replication and binlogging.
*/
class Rpl_filter
{
public:
Rpl_filter();
~Rpl_filter();
Rpl_filter(Rpl_filter const&);
Rpl_filter& operator=(Rpl_filter const&);
/* Checks - returns true if ok to replicate/log */
#ifndef MYSQL_CLIENT
bool tables_ok(const char* db, TABLE_LIST *tables);
#endif
bool db_ok(const char* db);
bool db_ok_with_wild_table(const char *db);
bool is_on();
bool is_db_empty();
/* Setters - add filtering rules */
int add_do_table(const char* table_spec);
int add_ignore_table(const char* table_spec);
int set_do_table(const char* table_spec);
int set_ignore_table(const char* table_spec);
int add_wild_do_table(const char* table_spec);
int add_wild_ignore_table(const char* table_spec);
int set_wild_do_table(const char* table_spec);
int set_wild_ignore_table(const char* table_spec);
int add_rewrite_db(const char* table_spec);
int add_do_db(const char* db_spec);
int add_ignore_db(const char* db_spec);
int set_rewrite_db(const char* db_spec);
int set_do_db(const char* db_spec);
int set_ignore_db(const char* db_spec);
void set_parallel_mode(enum_slave_parallel_mode mode)
{
parallel_mode= mode;
}
/* Return given parallel mode or if one is not given, the default mode */
enum_slave_parallel_mode get_parallel_mode()
{
return parallel_mode;
}
/* Getters - to get information about current rules */
void get_do_table(String* str);
void get_ignore_table(String* str);
void get_wild_do_table(String* str);
void get_wild_ignore_table(String* str);
bool rewrite_db_is_empty();
I_List<i_string_pair>* get_rewrite_db();
void get_rewrite_db(String *str);
const char* get_rewrite_db(const char* db, size_t *new_len);
I_List<i_string>* get_do_db();
I_List<i_string>* get_ignore_db();
void get_do_db(String* str);
void get_ignore_db(String* str);
private:
void init_table_rule_hash(HASH* h, bool* h_inited);
void init_table_rule_array(DYNAMIC_ARRAY* a, bool* a_inited);
int add_table_rule(HASH* h, const char* table_spec);
int add_wild_table_rule(DYNAMIC_ARRAY* a, const char* table_spec);
typedef int (Rpl_filter::*Add_filter)(char const*);
int parse_filter_rule(const char* spec, Add_filter func);
void free_string_array(DYNAMIC_ARRAY *a);
void free_string_list(I_List<i_string> *l);
void free_string_pair_list(I_List<i_string_pair> *l);
void table_rule_ent_hash_to_str(String* s, HASH* h, bool inited);
void table_rule_ent_dynamic_array_to_str(String* s, DYNAMIC_ARRAY* a,
bool inited);
void db_rewrite_rule_ent_list_to_str(String*, I_List<i_string_pair>*);
void db_rule_ent_list_to_str(String* s, I_List<i_string>* l);
TABLE_RULE_ENT* find_wild(DYNAMIC_ARRAY *a, const char* key, int len);
int add_string_list(I_List<i_string> *list, const char* spec);
int add_string_pair_list(const char* my_spec);
/*
Those 4 structures below are uninitialized memory unless the
corresponding *_inited variables are "true".
*/
HASH do_table;
HASH ignore_table;
DYNAMIC_ARRAY wild_do_table;
DYNAMIC_ARRAY wild_ignore_table;
enum_slave_parallel_mode parallel_mode;
bool table_rules_on;
bool do_table_inited;
bool ignore_table_inited;
bool wild_do_table_inited;
bool wild_ignore_table_inited;
I_List<i_string> do_db;
I_List<i_string> ignore_db;
I_List<i_string_pair> rewrite_db;
};
extern Rpl_filter *global_rpl_filter;
extern Rpl_filter *binlog_filter;
#endif // RPL_FILTER_H
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