WL#2472: Refactoring of replication and binlog filtering.

Needed to be able to have multiple masters connected 
to same slave server with different filters.

sql/Makefile.am

@@ -58,7 +58,7 @@ noinst_HEADERS =	item.h item_func.h item_sum.h item_cmpfunc.h \
 			log_event.h sql_repl.h slave.h \
 			stacktrace.h sql_sort.h sql_cache.h set_var.h \
 			spatial.h gstream.h client_settings.h tzfile.h \
-                        tztime.h \
+                        table_filter.h tztime.h \
 			sp_head.h sp_pcontext.h sp_rcontext.h sp.h sp_cache.h \
 			parse_file.h sql_view.h	sql_trigger.h \
 			examples/ha_example.h examples/ha_archive.h \
@@ -95,7 +95,7 @@ mysqld_SOURCES =	sql_lex.cc sql_handler.cc \
 			stacktrace.c repl_failsafe.h repl_failsafe.cc \
 			sql_olap.cc sql_view.cc \
 			gstream.cc spatial.cc sql_help.cc protocol_cursor.cc \
-			tztime.cc my_time.c \
+			table_filter.cc tztime.cc my_time.c \
 			sp_head.cc sp_pcontext.cc  sp_rcontext.cc sp.cc \
 			sp_cache.cc parse_file.cc sql_trigger.cc \
 			examples/ha_example.cc examples/ha_archive.cc \

sql/log.cc

@@ -24,6 +24,7 @@
 
 #include "mysql_priv.h"
 #include "sql_repl.h"
+#include "table_filter.h"
 #include "ha_innodb.h" // necessary to cut the binlog when crash recovery
 
 #include <my_dir.h>
@@ -34,6 +35,8 @@
 #include "message.h"
 #endif
 
+extern Table_filter *binlog_filter;
+
 MYSQL_LOG mysql_log, mysql_slow_log, mysql_bin_log;
 ulong sync_binlog_counter= 0;
 
@@ -1325,10 +1328,11 @@ bool MYSQL_LOG::write(Log_event* event_info)
         binlog_[wild_]{do|ignore}_table?" (WL#1049)"
     */
     if ((thd && !(thd->options & OPTION_BIN_LOG)) ||
-	(local_db && !db_ok(local_db, binlog_do_db, binlog_ignore_db)))
+	(local_db && !binlog_filter->db_ok(local_db)))
     {
       VOID(pthread_mutex_unlock(&LOCK_log));
-      DBUG_PRINT("error",("!db_ok('%s')", local_db));
+      DBUG_PRINT("info",("db_ok('%s')==%d", local_db, 
+			 binlog_filter->db_ok(local_db)));
       DBUG_RETURN(0);
     }
 #endif /* HAVE_REPLICATION */

sql/log_event.cc

@@ -21,7 +21,9 @@
 #endif
 #include  "mysql_priv.h"
 #include "slave.h"
+#include "table_filter.h"
 #include <my_dir.h>
+extern Table_filter *rpl_filter;
 #endif /* MYSQL_CLIENT */
 
 #define log_cs	&my_charset_latin1
@@ -1370,7 +1372,7 @@ int Query_log_event::exec_event(struct st_relay_log_info* rli)
   */
   thd->catalog= (char*) catalog;
   thd->db_length= db_len;
-  thd->db= (char*) rewrite_db(db, &thd->db_length);
+  thd->db= (char *) rpl_filter->get_rewrite_db(db, &thd->db_length);
   thd->variables.auto_increment_increment= auto_increment_increment;
   thd->variables.auto_increment_offset=    auto_increment_offset;
 
@@ -1389,7 +1391,7 @@ int Query_log_event::exec_event(struct st_relay_log_info* rli)
 
   clear_all_errors(thd, rli);
 
-  if (db_ok(thd->db, replicate_do_db, replicate_ignore_db))
+  if (rpl_filter->db_ok(thd->db))
   {
     thd->set_time((time_t)when);
     thd->query_length= q_len;
@@ -2449,7 +2451,7 @@ int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
 {
   char *load_data_query= 0;
   thd->db_length= db_len;
-  thd->db= (char*) rewrite_db(db, &thd->db_length);
+  thd->db= (char *) rpl_filter->get_rewrite_db(db, &thd->db_length);
   DBUG_ASSERT(thd->query == 0);
   thd->query_length= 0;                         // Should not be needed
   thd->query_error= 0;
@@ -2478,7 +2480,7 @@ int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
     al. Another way is do the filtering in the I/O thread (more efficient: no
     disk writes at all).
   */
-  if (db_ok(thd->db, replicate_do_db, replicate_ignore_db))
+  if (rpl_filter->db_ok(thd->db))
   {
     thd->set_time((time_t)when);
     VOID(pthread_mutex_lock(&LOCK_thread_count));
@@ -2500,7 +2502,7 @@ int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
     tables.updating= 1;
 
     // the table will be opened in mysql_load    
-    if (table_rules_on && !tables_ok(thd, &tables))
+    if (rpl_filter->is_on() && !rpl_filter->tables_ok(thd->db, &tables))
     {
       // TODO: this is a bug - this needs to be moved to the I/O thread
       if (net)

sql/mysql_priv.h

@@ -1072,7 +1072,6 @@ extern KNOWN_DATE_TIME_FORMAT known_date_time_formats[];
 extern String null_string;
 extern HASH open_cache;
 extern TABLE *unused_tables;
-extern I_List<i_string> binlog_do_db, binlog_ignore_db;
 extern const char* any_db;
 extern struct my_option my_long_options[];
 

sql/mysqld.cc

@@ -19,6 +19,7 @@
 #include <my_dir.h>
 #include "slave.h"
 #include "sql_repl.h"
+#include "table_filter.h"
 #include "repl_failsafe.h"
 #include "stacktrace.h"
 #include "mysqld_suffix.h"
@@ -382,12 +383,10 @@ Le_creator le_creator;
 
 FILE *bootstrap_file;
 
-I_List<i_string_pair> replicate_rewrite_db;
-I_List<i_string> replicate_do_db, replicate_ignore_db;
-// allow the user to tell us which db to replicate and which to ignore
-I_List<i_string> binlog_do_db, binlog_ignore_db;
 I_List<THD> threads,thread_cache;
 I_List<NAMED_LIST> key_caches;
+Table_filter* rpl_filter;
+Table_filter* binlog_filter;
 
 struct system_variables global_system_variables;
 struct system_variables max_system_variables;
@@ -994,11 +993,6 @@ void clean_up(bool print_message)
   free_max_user_conn();
 #ifdef HAVE_REPLICATION
   end_slave_list();
-  free_list(&replicate_do_db);
-  free_list(&replicate_ignore_db);
-  free_list(&binlog_do_db);
-  free_list(&binlog_ignore_db);
-  free_list(&replicate_rewrite_db);
 #endif
 #ifdef HAVE_OPENSSL
   if (ssl_acceptor_fd)
@@ -2967,9 +2961,16 @@ int win_main(int argc, char **argv)
 int main(int argc, char **argv)
 #endif
 {
-
   DEBUGGER_OFF;
 
+  rpl_filter= new Table_filter;
+  binlog_filter= new Table_filter;
+  if (!rpl_filter || !binlog_filter) 
+  {
+    sql_perror("Could not allocate replication and binlog filters");
+    exit(1);
+  }
+
   MY_INIT(argv[0]);		// init my_sys library & pthreads
 
 #ifdef _CUSTOMSTARTUPCONFIG_
@@ -3214,6 +3215,9 @@ we force server id to 2, but this MySQL server will not act as a slave.");
   clean_up_mutexes();
   my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
  
+  delete rpl_filter;
+  delete binlog_filter;
+
   exit(0);
   return(0);					/* purecov: deadcode */
 }
@@ -3309,7 +3313,6 @@ default_service_handling(char **argv,
 
 int main(int argc, char **argv)
 {
-
   /* When several instances are running on the same machine, we
      need to have an  unique  named  hEventShudown  through the
      application PID e.g.: MySQLShutdown1890; MySQLShutdown2342
@@ -5875,13 +5878,6 @@ static void mysql_init_variables(void)
 					       default_key_cache_base.length)))
     exit(1);
 
-  /* Initialize structures that is used when processing options */
-  replicate_rewrite_db.empty();
-  replicate_do_db.empty();
-  replicate_ignore_db.empty();
-  binlog_do_db.empty();
-  binlog_ignore_db.empty();
-
   /* Set directory paths */
   strmake(language, LANGUAGE, sizeof(language)-1);
   strmake(mysql_real_data_home, get_relative_path(DATADIR),
@@ -6136,14 +6132,12 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
   }
   case (int)OPT_REPLICATE_IGNORE_DB:
   {
-    i_string *db = new i_string(argument);
-    replicate_ignore_db.push_back(db);
+    rpl_filter->add_ignore_db(argument);
     break;
   }
   case (int)OPT_REPLICATE_DO_DB:
   {
-    i_string *db = new i_string(argument);
-    replicate_do_db.push_back(db);
+    rpl_filter->add_do_db(argument);
     break;
   }
   case (int)OPT_REPLICATE_REWRITE_DB:
@@ -6176,71 +6170,54 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
       exit(1);
     }
 
-    i_string_pair *db_pair = new i_string_pair(key, val);
-    replicate_rewrite_db.push_back(db_pair);
+    rpl_filter->add_db_rewrite(key, val);
     break;
   }
 
   case (int)OPT_BINLOG_IGNORE_DB:
   {
-    i_string *db = new i_string(argument);
-    binlog_ignore_db.push_back(db);
+    binlog_filter->add_ignore_db(argument);
     break;
   }
   case (int)OPT_BINLOG_DO_DB:
   {
-    i_string *db = new i_string(argument);
-    binlog_do_db.push_back(db);
+    binlog_filter->add_do_db(argument);
     break;
   }
   case (int)OPT_REPLICATE_DO_TABLE:
   {
-    if (!do_table_inited)
-      init_table_rule_hash(&replicate_do_table, &do_table_inited);
-    if (add_table_rule(&replicate_do_table, argument))
+    if (rpl_filter->add_do_table(argument))
     {
       fprintf(stderr, "Could not add do table rule '%s'!\n", argument);
       exit(1);
     }
-    table_rules_on = 1;
     break;
   }
   case (int)OPT_REPLICATE_WILD_DO_TABLE:
   {
-    if (!wild_do_table_inited)
-      init_table_rule_array(&replicate_wild_do_table,
-			    &wild_do_table_inited);
-    if (add_wild_table_rule(&replicate_wild_do_table, argument))
+    if (rpl_filter->add_wild_do_table(argument))
     {
       fprintf(stderr, "Could not add do table rule '%s'!\n", argument);
       exit(1);
     }
-    table_rules_on = 1;
     break;
   }
   case (int)OPT_REPLICATE_WILD_IGNORE_TABLE:
   {
-    if (!wild_ignore_table_inited)
-      init_table_rule_array(&replicate_wild_ignore_table,
-			    &wild_ignore_table_inited);
-    if (add_wild_table_rule(&replicate_wild_ignore_table, argument))
+    if (rpl_filter->add_wild_ignore_table(argument))
     {
       fprintf(stderr, "Could not add ignore table rule '%s'!\n", argument);
       exit(1);
     }
-    table_rules_on = 1;
     break;
   }
   case (int)OPT_REPLICATE_IGNORE_TABLE:
   {
-    if (!ignore_table_inited)
-      init_table_rule_hash(&replicate_ignore_table, &ignore_table_inited);
-    if (add_table_rule(&replicate_ignore_table, argument))
+    if (rpl_filter->add_ignore_table(argument))
     {
       fprintf(stderr, "Could not add ignore table rule '%s'!\n", argument);
       exit(1);
     }
-    table_rules_on = 1;
     break;
   }
 #endif /* HAVE_REPLICATION */

sql/repl_failsafe.cc

@@ -20,9 +20,12 @@
 #include "repl_failsafe.h"
 #include "sql_repl.h"
 #include "slave.h"
+#include "table_filter.h"
 #include "log_event.h"
 #include <mysql.h>
 
+extern Table_filter *rpl_filter;
+
 #define SLAVE_LIST_CHUNK 128
 #define SLAVE_ERRMSG_SIZE (FN_REFLEN+64)
 
@@ -735,14 +738,14 @@ static int fetch_db_tables(THD *thd, MYSQL *mysql, const char *db,
     TABLE_LIST table;
     const char* table_name= row[0];
     int error;
-    if (table_rules_on)
+    if (rpl_filter->is_on())
     {
       bzero((char*) &table, sizeof(table)); //just for safe
       table.db= (char*) db;
       table.table_name= (char*) table_name;
       table.updating= 1;
 
-      if (!tables_ok(thd, &table))
+      if (!rpl_filter->tables_ok(thd->db, &table))
 	continue;
     }
     /* download master's table and overwrite slave's table */
@@ -860,8 +863,8 @@ bool load_master_data(THD* thd)
 	data from master
       */
 
-      if (!db_ok(db, replicate_do_db, replicate_ignore_db) ||
-          !db_ok_with_wild_table(db) ||
+      if (!rpl_filter->db_ok(db) || 
+	  !rpl_filter->db_ok_with_wild_table(db) || 
 	  !strcmp(db,"mysql"))
       {
 	*cur_table_res = 0;

sql/slave.h

@@ -443,15 +443,6 @@ typedef struct st_master_info
 
 int queue_event(MASTER_INFO* mi,const char* buf,ulong event_len);
 
-typedef struct st_table_rule_ent
-{
-  char* db;
-  char* tbl_name;
-  uint key_len;
-} TABLE_RULE_ENT;
-
-#define TABLE_RULE_HASH_SIZE   16
-#define TABLE_RULE_ARR_SIZE   16
 #define MAX_SLAVE_ERRMSG      1024
 
 #define RPL_LOG_NAME (rli->group_master_log_name[0] ? rli->group_master_log_name :\
@@ -505,27 +496,9 @@ int mysql_table_dump(THD* thd, const char* db,
 int fetch_master_table(THD* thd, const char* db_name, const char* table_name,
 		       MASTER_INFO* mi, MYSQL* mysql, bool overwrite);
 
-void table_rule_ent_hash_to_str(String* s, HASH* h);
-void table_rule_ent_dynamic_array_to_str(String* s, DYNAMIC_ARRAY* a);
 bool show_master_info(THD* thd, MASTER_INFO* mi);
 bool show_binlog_info(THD* thd);
 
-/* See if the query uses any tables that should not be replicated */
-bool tables_ok(THD* thd, TABLE_LIST* tables);
-
-/*
-  Check to see if the database is ok to operate on with respect to the
-  do and ignore lists - used in replication
-*/
-int db_ok(const char* db, I_List<i_string> &do_list,
-	  I_List<i_string> &ignore_list );
-int db_ok_with_wild_table(const char *db);
-
-int add_table_rule(HASH* h, const char* table_spec);
-int add_wild_table_rule(DYNAMIC_ARRAY* a, const char* table_spec);
-void init_table_rule_hash(HASH* h, bool* h_inited);
-void init_table_rule_array(DYNAMIC_ARRAY* a, bool* a_inited);
-const char *rewrite_db(const char* db, uint32 *new_db_len);
 const char *print_slave_db_safe(const char *db);
 int check_expected_error(THD* thd, RELAY_LOG_INFO* rli, int error_code);
 void skip_load_data_infile(NET* net);
@@ -559,11 +532,7 @@ extern "C" pthread_handler_decl(handle_slave_sql,arg);
 extern bool volatile abort_loop;
 extern MASTER_INFO main_mi, *active_mi; /* active_mi for multi-master */
 extern LIST master_list;
-extern HASH replicate_do_table, replicate_ignore_table;
-extern DYNAMIC_ARRAY  replicate_wild_do_table, replicate_wild_ignore_table;
-extern bool do_table_inited, ignore_table_inited,
-	    wild_do_table_inited, wild_ignore_table_inited;
-extern bool table_rules_on, replicate_same_server_id;
+extern bool replicate_same_server_id;
 
 extern int disconnect_slave_event_count, abort_slave_event_count ;
 
@@ -577,8 +546,6 @@ extern my_bool master_ssl;
 extern my_string master_ssl_ca, master_ssl_capath, master_ssl_cert,
        master_ssl_cipher, master_ssl_key;
        
-extern I_List<i_string> replicate_do_db, replicate_ignore_db;
-extern I_List<i_string_pair> replicate_rewrite_db;
 extern I_List<THD> threads;
 
 #endif

sql/sql_acl.cc

@@ -28,7 +28,8 @@
 #include "mysql_priv.h"
 #include "hash_filo.h"
 #ifdef HAVE_REPLICATION
-#include "sql_repl.h" //for tables_ok()
+#include "table_filter.h" //for tables_ok()
+extern Table_filter *rpl_filter;
 #endif
 #include <m_ctype.h>
 #include <stdarg.h>
@@ -1475,7 +1476,7 @@ static bool update_user_table(THD *thd, const char *host, const char *user,
     GRANT and REVOKE are applied the slave in/exclusion rules as they are
     some kind of updates to the mysql.% tables.
   */
-  if (thd->slave_thread && table_rules_on)
+  if (thd->slave_thread && rpl_filter->is_on())
   {
     /*
       The tables must be marked "updating" so that tables_ok() takes them into
@@ -1483,7 +1484,7 @@ static bool update_user_table(THD *thd, const char *host, const char *user,
     */
     tables.updating= 1;
     /* Thanks to bzero, tables.next==0 */
-    if (!tables_ok(0, &tables))
+    if (!rpl_filter->tables_ok(0, &tables))
       DBUG_RETURN(0);
   }
 #endif
@@ -2669,14 +2670,14 @@ bool mysql_table_grant(THD *thd, TABLE_LIST *table_list,
     GRANT and REVOKE are applied the slave in/exclusion rules as they are
     some kind of updates to the mysql.% tables.
   */
-  if (thd->slave_thread && table_rules_on)
+  if (thd->slave_thread && rpl_filter->is_on())
   {
     /*
       The tables must be marked "updating" so that tables_ok() takes them into
       account in tests.
     */
     tables[0].updating= tables[1].updating= tables[2].updating= 1;
-    if (!tables_ok(0, tables))
+    if (!rpl_filter->tables_ok(0, tables))
       DBUG_RETURN(FALSE);
   }
 #endif
@@ -2872,14 +2873,14 @@ bool mysql_procedure_grant(THD *thd, TABLE_LIST *table_list,
     GRANT and REVOKE are applied the slave in/exclusion rules as they are
     some kind of updates to the mysql.% tables.
   */
-  if (thd->slave_thread && table_rules_on)
+  if (thd->slave_thread && rpl_filter->is_on())
   {
     /*
       The tables must be marked "updating" so that tables_ok() takes them into
       account in tests.
     */
     tables[0].updating= tables[1].updating= 1;
-    if (!tables_ok(0, tables))
+    if (!rpl_filter->tables_ok(0, tables))
       DBUG_RETURN(FALSE);
   }
 #endif
@@ -3001,14 +3002,14 @@ bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &list,
     GRANT and REVOKE are applied the slave in/exclusion rules as they are
     some kind of updates to the mysql.% tables.
   */
-  if (thd->slave_thread && table_rules_on)
+  if (thd->slave_thread && rpl_filter->is_on())
   {
     /*
       The tables must be marked "updating" so that tables_ok() takes them into
       account in tests.
     */
     tables[0].updating= tables[1].updating= 1;
-    if (!tables_ok(0, tables))
+    if (!rpl_filter->tables_ok(0, tables))
       DBUG_RETURN(FALSE);
   }
 #endif
@@ -4192,7 +4193,7 @@ int open_grant_tables(THD *thd, TABLE_LIST *tables)
     GRANT and REVOKE are applied the slave in/exclusion rules as they are
     some kind of updates to the mysql.% tables.
   */
-  if (thd->slave_thread && table_rules_on)
+  if (thd->slave_thread && rpl_filter->is_on())
   {
     /*
       The tables must be marked "updating" so that tables_ok() takes them into
@@ -4200,7 +4201,7 @@ int open_grant_tables(THD *thd, TABLE_LIST *tables)
     */
     tables[0].updating=tables[1].updating=tables[2].updating=
       tables[3].updating=tables[4].updating=1;
-    if (!tables_ok(0, tables))
+    if (!rpl_filter->tables_ok(0, tables))
       DBUG_RETURN(1);
     tables[0].updating=tables[1].updating=tables[2].updating=
       tables[3].updating=tables[4].updating=0;;

sql/sql_class.h

@@ -327,19 +327,20 @@ class LEX_COLUMN : public Sql_alloc
 class i_string: public ilink
 {
 public:
-  char* ptr;
+  const char* ptr;
   i_string():ptr(0) { }
-  i_string(char* s) : ptr(s) {}
+  i_string(const char* s) : ptr(s) {}
 };
 
 /* needed for linked list of two strings for replicate-rewrite-db */
 class i_string_pair: public ilink
 {
 public:
-  char* key;
-  char* val;
+  const char* key;
+  const char* val;
   i_string_pair():key(0),val(0) { }
-  i_string_pair(char* key_arg, char* val_arg) : key(key_arg),val(val_arg) {}
+  i_string_pair(const char* key_arg, const char* val_arg) : 
+    key(key_arg),val(val_arg) {}
 };
 
 

sql/sql_parse.cc

@@ -16,11 +16,14 @@
 
 #include "mysql_priv.h"
 #include "sql_repl.h"
+#include "table_filter.h"
 #include "repl_failsafe.h"
 #include <m_ctype.h>
 #include <myisam.h>
 #include <my_dir.h>
 
+extern Table_filter *rpl_filter;
+
 #ifdef HAVE_INNOBASE_DB
 #include "ha_innodb.h"
 #endif
@@ -137,10 +140,12 @@ static bool end_active_trans(THD *thd)
 #ifdef HAVE_REPLICATION
 inline bool all_tables_not_ok(THD *thd, TABLE_LIST *tables)
 {
-  return (table_rules_on && tables && !tables_ok(thd,tables) &&
+  return (rpl_filter->is_on() && tables && 
+	  !rpl_filter->tables_ok(thd->db, tables) &&
           ((thd->lex->sql_command != SQLCOM_DELETE_MULTI) ||
-           !tables_ok(thd,
-		      (TABLE_LIST *)thd->lex->auxilliary_table_list.first)));
+           !rpl_filter->tables_ok(thd->db,
+				  (TABLE_LIST *)
+				  thd->lex->auxilliary_table_list.first)));
 }
 #endif
 
@@ -3284,8 +3289,8 @@ mysql_execute_command(THD *thd)
     */
 #ifdef HAVE_REPLICATION
     if (thd->slave_thread && 
-	(!db_ok(lex->name, replicate_do_db, replicate_ignore_db) ||
-	 !db_ok_with_wild_table(lex->name)))
+	(!rpl_filter->db_ok(lex->name) ||
+	 !rpl_filter->db_ok_with_wild_table(lex->name)))
     {
       my_message(ER_SLAVE_IGNORED_TABLE, ER(ER_SLAVE_IGNORED_TABLE), MYF(0));
       break;
@@ -3314,8 +3319,8 @@ mysql_execute_command(THD *thd)
     */
 #ifdef HAVE_REPLICATION
     if (thd->slave_thread && 
-	(!db_ok(lex->name, replicate_do_db, replicate_ignore_db) ||
-	 !db_ok_with_wild_table(lex->name)))
+	(!rpl_filter->db_ok(lex->name) ||
+	 !rpl_filter->db_ok_with_wild_table(lex->name)))
     {
       my_message(ER_SLAVE_IGNORED_TABLE, ER(ER_SLAVE_IGNORED_TABLE), MYF(0));
       break;
@@ -3355,8 +3360,8 @@ mysql_execute_command(THD *thd)
     */
 #ifdef HAVE_REPLICATION
     if (thd->slave_thread && 
-	(!db_ok(db, replicate_do_db, replicate_ignore_db) ||
-	 !db_ok_with_wild_table(db)))
+	(!rpl_filter->db_ok(lex->name) ||
+	 !rpl_filter->db_ok_with_wild_table(lex->name)))
     {
       my_message(ER_SLAVE_IGNORED_TABLE, ER(ER_SLAVE_IGNORED_TABLE), MYF(0));
       break;

sql/sql_repl.cc

@@ -19,8 +19,11 @@
 
 #include "sql_repl.h"
 #include "log_event.h"
+#include "table_filter.h"
 #include <my_dir.h>
 
+extern Table_filter *binlog_filter;
+
 int max_binlog_dump_events = 0; // unlimited
 my_bool opt_sporadic_binlog_dump_fail = 0;
 static int binlog_dump_count = 0;
@@ -1442,8 +1445,8 @@ bool show_binlog_info(THD* thd)
     int dir_len = dirname_length(li.log_file_name);
     protocol->store(li.log_file_name + dir_len, &my_charset_bin);
     protocol->store((ulonglong) li.pos);
-    protocol->store(&binlog_do_db);
-    protocol->store(&binlog_ignore_db);
+    protocol->store(binlog_filter->get_do_db());
+    protocol->store(binlog_filter->get_ignore_db());
     if (protocol->write())
       DBUG_RETURN(TRUE);
   }

sql/sql_repl.h

@@ -31,7 +31,6 @@ typedef struct st_slave_info
 extern my_bool opt_show_slave_auth_info;
 extern char *master_host, *master_info_file;
 extern bool server_id_supplied;
-extern I_List<i_string> binlog_do_db, binlog_ignore_db;
 
 extern int max_binlog_dump_events;
 extern my_bool opt_sporadic_binlog_dump_fail;

sql/table_filter.h

+/* Copyright (C) 2000-2003 MySQL AB
+   
+   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; either version 2 of the License, or
+   (at your option) any later version.
+   
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef __TABLE_FILTER_H__
+#define __TABLE_FILTER_H__
+
+#include "mysql.h"
+#include "my_list.h"
+
+typedef struct st_table_rule_ent
+{
+  char* db;
+  char* tbl_name;
+  uint key_len;
+} TABLE_RULE_ENT;
+
+/*
+  Table_filter
+
+  Inclusion and exclusion rules of tables and databases.
+  Also handles rewrites of db.
+  Used for replication and binlogging.
+ */
+class Table_filter 
+{
+public:
+  Table_filter();
+  ~Table_filter();
+
+  /* Checks - returns true if ok to replicate/log */
+
+  bool tables_ok(const char* db, TABLE_LIST* tables);
+  bool db_ok(const char* db);
+  bool db_ok_with_wild_table(const char *db);
+
+  bool is_on();
+
+  /* Setters - add filtering rules */
+
+  int add_do_table(const char* table_spec);
+  int add_ignore_table(const char* table_spec);
+
+  int add_wild_do_table(const char* table_spec);
+  int add_wild_ignore_table(const char* table_spec);
+
+  void add_do_db(const char* db_spec);
+  void add_ignore_db(const char* db_spec);
+
+  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);
+
+  const char* get_rewrite_db(const char* db, uint32 *new_len);
+
+  I_List<i_string>* get_do_db();
+  I_List<i_string>* get_ignore_db();
+
+private:
+  bool table_rules_on;
+
+  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);
+
+  void free_string_array(DYNAMIC_ARRAY *a);
+
+  void table_rule_ent_hash_to_str(String* s, HASH* h);
+  void table_rule_ent_dynamic_array_to_str(String* s, DYNAMIC_ARRAY* a);
+  TABLE_RULE_ENT* find_wild(DYNAMIC_ARRAY *a, const char* key, int len);
+
+  HASH do_table;
+  HASH ignore_table;
+  DYNAMIC_ARRAY wild_do_table;
+  DYNAMIC_ARRAY wild_ignore_table;
+
+  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;
+};
+
+#endif // __TABLE_FILTER_H__