/* 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_do_db(const char* db_spec); int add_ignore_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; } void add_db_rewrite(const char* from_db, const char* to_db); /* 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(); const char* get_rewrite_db(const char* db, size_t *new_len); void copy_rewrite_db(Rpl_filter *from); I_List* get_do_db(); I_List* 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 *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_rule_ent_list_to_str(String* s, I_List* l); TABLE_RULE_ENT* find_wild(DYNAMIC_ARRAY *a, const char* key, int len); int add_string_list(I_List *list, const char* 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 do_db; I_List ignore_db; I_List rewrite_db; }; extern Rpl_filter *global_rpl_filter; extern Rpl_filter *binlog_filter; #endif // RPL_FILTER_H