Cleanup around wsrep system variables.

sql/wsrep_check_opts.cc

@@ -18,8 +18,6 @@
 #include "sys_vars_shared.h"
 #include "wsrep.h"
 #include "wsrep_sst.h"
-//#include <sql_class.h>
-//#include "wsrep_mysqld.h"
 
 extern char *my_bind_addr_str;
 

sql/wsrep_mysqld.cc

@@ -52,49 +52,64 @@ rpl_sidno wsrep_sidno= -1;
 my_bool wsrep_preordered_opt= FALSE;
 
 /*
- * Begin configuration options and their default values
+ * Begin configuration options
  */
 
 extern my_bool plugins_are_initialized;
 extern uint kill_cached_threads;
 extern mysql_cond_t COND_thread_cache;
 
-const char* wsrep_data_home_dir = NULL;
-const char* wsrep_dbug_option   = "";
-
-long    wsrep_slave_threads            = 1; // # of slave action appliers wanted
-int     wsrep_slave_count_change       = 0; // # of appliers to stop or start
-my_bool wsrep_debug                    = 0; // enable debug level logging
-my_bool wsrep_convert_LOCK_to_trx      = 1; // convert locking sessions to trx
-ulong   wsrep_retry_autocommit         = 5; // retry aborted autocommit trx
-my_bool wsrep_auto_increment_control   = 1; // control auto increment variables
-my_bool wsrep_drupal_282555_workaround = 1; // retry autoinc insert after dupkey
-my_bool wsrep_incremental_data_collection = 0; // incremental data collection
-ulong   wsrep_max_ws_size              = 1073741824UL;//max ws (RBR buffer) size
-ulong   wsrep_max_ws_rows              = 65536; // max number of rows in ws
-int     wsrep_to_isolation             = 0; // # of active TO isolation threads
-my_bool wsrep_certify_nonPK            = 1; // certify, even when no primary key
-long    wsrep_max_protocol_version     = 3; // maximum protocol version to use
-ulong   wsrep_forced_binlog_format     = BINLOG_FORMAT_UNSPEC;
-my_bool wsrep_recovery                 = 0; // recovery
-my_bool wsrep_replicate_myisam         = 0; // enable myisam replication
-my_bool wsrep_log_conflicts            = 0;
-ulong   wsrep_mysql_replication_bundle = 0;
-my_bool wsrep_desync                   = 0; // desynchronize the node from the
-                                            // cluster
-my_bool wsrep_load_data_splitting      = 1; // commit load data every 10K intervals
-my_bool wsrep_restart_slave            = 0; // should mysql slave thread be
-                                            // restarted, if node joins back
-my_bool wsrep_restart_slave_activated  = 0; // node has dropped, and slave
-                                            // restart will be needed
-my_bool wsrep_slave_UK_checks          = 0; // slave thread does UK checks
-my_bool wsrep_slave_FK_checks          = 0; // slave thread does FK checks
-bool wsrep_new_cluster                 = false; // Bootstrap the cluster ?
-
-// Use wsrep_gtid_domain_id for galera transactions?
-bool wsrep_gtid_mode                   = 0;
-// gtid_domain_id for galera transactions.
-uint32 wsrep_gtid_domain_id            = 0;
+/* System variables. */
+const char *wsrep_provider;
+const char *wsrep_provider_options;
+const char *wsrep_cluster_address;
+const char *wsrep_cluster_name;
+const char *wsrep_node_name;
+const char *wsrep_node_address;
+const char *wsrep_node_incoming_address;
+const char *wsrep_start_position;
+const char *wsrep_data_home_dir;
+const char *wsrep_dbug_option;
+const char *wsrep_notify_cmd;
+const char *wsrep_sst_method;
+const char *wsrep_sst_receive_address;
+const char *wsrep_sst_donor;
+const char *wsrep_sst_auth;
+my_bool wsrep_debug;                            // Enable debug level logging
+my_bool wsrep_convert_LOCK_to_trx;              // Convert locking sessions to trx
+my_bool wsrep_auto_increment_control;           // Control auto increment variables
+my_bool wsrep_drupal_282555_workaround;         // Retry autoinc insert after dupkey
+my_bool wsrep_certify_nonPK;                    // Certify, even when no primary key
+my_bool wsrep_recovery;                         // Recovery
+my_bool wsrep_replicate_myisam;                 // Enable MyISAM replication
+my_bool wsrep_log_conflicts;
+my_bool wsrep_load_data_splitting;              // Commit load data every 10K intervals
+my_bool wsrep_slave_UK_checks;                  // Slave thread does UK checks
+my_bool wsrep_slave_FK_checks;                  // Slave thread does FK checks
+my_bool wsrep_sst_donor_rejects_queries;
+my_bool wsrep_restart_slave;                    // Should mysql slave thread be
+                                                // restarted, when node joins back?
+my_bool wsrep_desync;                           // De(re)synchronize the node from the
+                                                // cluster
+long wsrep_slave_threads;                       // No. of slave appliers threads
+ulong wsrep_retry_autocommit;                   // Retry aborted autocommit trx
+ulong wsrep_max_ws_size;                        // Max allowed ws (RBR buffer) size
+ulong wsrep_max_ws_rows;                        // Max number of rows in ws
+ulong wsrep_forced_binlog_format;
+ulong wsrep_mysql_replication_bundle;
+bool wsrep_gtid_mode;                           // Use wsrep_gtid_domain_id
+                                                // for galera transactions?
+uint32 wsrep_gtid_domain_id;                    // gtid_domain_id for galera
+                                                // transactions
+
+/* Other configuration variables and their default values. */
+my_bool wsrep_incremental_data_collection= 0;   // Incremental data collection
+my_bool wsrep_restart_slave_activated= 0;       // Node has dropped, and slave
+                                                // restart will be needed
+bool wsrep_new_cluster= false;                  // Bootstrap the cluster?
+int wsrep_slave_count_change= 0;                // No. of appliers to stop/start
+int wsrep_to_isolation= 0;                      // No. of active TO isolation threads
+long wsrep_max_protocol_version= 3;             // Maximum protocol version to use
 
 /*
  * End configuration options

sql/wsrep_notify.cc

@@ -17,7 +17,6 @@
 #include "wsrep_priv.h"
 #include "wsrep_utils.h"
 
-const char* wsrep_notify_cmd="";
 
 static const char* _status_str(wsrep_member_status_t status)
 {

sql/wsrep_sst.cc

@@ -34,14 +34,8 @@ char wsrep_defaults_file[FN_REFLEN * 2 + 10 +
                          sizeof(WSREP_SST_OPT_CONF) +
                          sizeof(WSREP_SST_OPT_EXTRA_CONF)] = {0};
 
-const char* wsrep_sst_method          = WSREP_SST_DEFAULT;
-const char* wsrep_sst_receive_address = WSREP_SST_ADDRESS_AUTO;
-const char* wsrep_sst_donor           = "";
-      char* wsrep_sst_auth            = NULL;
-
 // container for real auth string
 static const char* sst_auth_real      = NULL;
-my_bool wsrep_sst_donor_rejects_queries = FALSE;
 
 bool wsrep_sst_method_check (sys_var *self, THD* thd, set_var* var)
 {

sql/wsrep_sst.h

@@ -55,8 +55,8 @@
 extern const char* wsrep_sst_method;
 extern const char* wsrep_sst_receive_address;
 extern const char* wsrep_sst_donor;
-extern       char* wsrep_sst_auth;
-extern    my_bool  wsrep_sst_donor_rejects_queries;
+extern const char* wsrep_sst_auth;
+extern my_bool wsrep_sst_donor_rejects_queries;
 
 /*! Synchronizes applier thread start with init thread */
 extern void wsrep_sst_grab();

sql/wsrep_var.cc

@@ -26,14 +26,6 @@
 #include <cstdio>
 #include <cstdlib>
 
-const  char* wsrep_provider         = 0;
-const  char* wsrep_provider_options = 0;
-const  char* wsrep_cluster_address  = 0;
-const  char* wsrep_cluster_name     = 0;
-const  char* wsrep_node_name        = 0;
-const  char* wsrep_node_address     = 0;
-const  char* wsrep_node_incoming_address = 0;
-const  char* wsrep_start_position   = 0;
 
 int wsrep_init_vars()
 {
@@ -45,8 +37,6 @@ int wsrep_init_vars()
   wsrep_node_address    = my_strdup("", MYF(MY_WME));
   wsrep_node_incoming_address= my_strdup(WSREP_NODE_INCOMING_AUTO, MYF(MY_WME));
   wsrep_start_position  = my_strdup(WSREP_START_POSITION_ZERO, MYF(MY_WME));
-
-  global_system_variables.binlog_format=BINLOG_FORMAT_ROW;
   return 0;
 }