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2c8d2ebe6f
The code was reading a HASH or DYNAMIC_ARRAY which may be uninited (difference from 5.0 is that those vars were always zeroed in 5.0 because were static globals, while they are new'd in 5.1).
119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/* Copyright (C) 2000-2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef RPL_FILTER_H
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#define RPL_FILTER_H
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#include "mysql.h"
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#include "my_list.h"
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typedef struct st_table_rule_ent
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{
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char* db;
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char* tbl_name;
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uint key_len;
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} TABLE_RULE_ENT;
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/*
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Rpl_filter
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Inclusion and exclusion rules of tables and databases.
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Also handles rewrites of db.
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Used for replication and binlogging.
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*/
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class Rpl_filter
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{
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public:
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Rpl_filter();
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~Rpl_filter();
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Rpl_filter(Rpl_filter const&);
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Rpl_filter& operator=(Rpl_filter const&);
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/* Checks - returns true if ok to replicate/log */
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bool tables_ok(const char* db, TABLE_LIST* tables);
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bool db_ok(const char* db);
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bool db_ok_with_wild_table(const char *db);
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bool is_on();
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/* Setters - add filtering rules */
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int add_do_table(const char* table_spec);
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int add_ignore_table(const char* table_spec);
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int add_wild_do_table(const char* table_spec);
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int add_wild_ignore_table(const char* table_spec);
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void add_do_db(const char* db_spec);
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void add_ignore_db(const char* db_spec);
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void add_db_rewrite(const char* from_db, const char* to_db);
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/* Getters - to get information about current rules */
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void get_do_table(String* str);
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void get_ignore_table(String* str);
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void get_wild_do_table(String* str);
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void get_wild_ignore_table(String* str);
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const char* get_rewrite_db(const char* db, uint32 *new_len);
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I_List<i_string>* get_do_db();
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I_List<i_string>* get_ignore_db();
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private:
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bool table_rules_on;
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void init_table_rule_hash(HASH* h, bool* h_inited);
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void init_table_rule_array(DYNAMIC_ARRAY* a, bool* a_inited);
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int add_table_rule(HASH* h, const char* table_spec);
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int add_wild_table_rule(DYNAMIC_ARRAY* a, const char* table_spec);
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void free_string_array(DYNAMIC_ARRAY *a);
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void table_rule_ent_hash_to_str(String* s, HASH* h, bool inited);
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void table_rule_ent_dynamic_array_to_str(String* s, DYNAMIC_ARRAY* a,
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bool inited);
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TABLE_RULE_ENT* find_wild(DYNAMIC_ARRAY *a, const char* key, int len);
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/*
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Those 4 structures below are uninitialized memory unless the
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corresponding *_inited variables are "true".
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*/
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HASH do_table;
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HASH ignore_table;
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DYNAMIC_ARRAY wild_do_table;
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DYNAMIC_ARRAY wild_ignore_table;
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bool do_table_inited;
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bool ignore_table_inited;
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bool wild_do_table_inited;
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bool wild_ignore_table_inited;
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I_List<i_string> do_db;
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I_List<i_string> ignore_db;
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I_List<i_string_pair> rewrite_db;
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};
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extern Rpl_filter *rpl_filter;
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extern Rpl_filter *binlog_filter;
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#endif // RPL_FILTER_H
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