152 lines
6.2 KiB
C++
152 lines
6.2 KiB
C++
/* Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef RPL_INFO_FACTORY_H
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#define RPL_INFO_FACTORY_H
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#include <sys/types.h>
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#include <string>
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#include <vector>
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#include "my_bitmap.h"
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#include "my_io.h"
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#include "sql/rpl_info_handler.h" // enum_return_check
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class Consensus_info;
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class Master_info;
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class Multisource_info;
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class Relay_log_info;
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class Rpl_info;
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class Slave_worker;
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extern ulong opt_mi_repository_id;
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extern ulong opt_rli_repository_id;
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class Rpl_info_factory {
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public:
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static bool create_slave_info_objects(uint mi_option, uint rli_option,
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int thread_mask,
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Multisource_info *pchannel_map);
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/**
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Establish the relation between the channel's replication filters and
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the channel's Relay_log_info, and copy global replication filters to
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the channel's replication filters if needed.
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@param rli Pointer to Relay_log_info.
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@param channel_name The channel name.
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@retval false No error
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@retval true Failure
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*/
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static bool configure_channel_replication_filters(Relay_log_info *rli,
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const char *channel_name);
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static Consensus_info *create_consensus_info();
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static void init_consensus_repo_metadata();
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static Master_info *create_mi_and_rli_objects(uint mi_option, uint rli_option,
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const char *channel,
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bool convert_repo,
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Multisource_info *channel_map);
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static Master_info *create_mi(uint rli_option, const char *channel,
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bool conver_repo);
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static bool change_mi_repository(Master_info *mi, const uint mi_option,
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const char **msg);
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static Relay_log_info *create_rli(uint rli_option, bool is_slave_recovery,
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const char *channel, bool convert_repo);
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static bool change_rli_repository(Relay_log_info *rli, const uint rli_option,
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const char **msg);
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static Slave_worker *create_worker(uint rli_option, uint worker_id,
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Relay_log_info *rli,
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bool is_gaps_collecting_phase);
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static bool reset_workers(Relay_log_info *rli);
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private:
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typedef struct file_data {
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uint n_fields;
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char name[FN_REFLEN];
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char pattern[FN_REFLEN];
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bool name_indexed; // whether file name should include instance number
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MY_BITMAP nullable_fields;
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virtual ~file_data() { bitmap_free(&nullable_fields); }
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} struct_file_data;
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typedef struct table_data {
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uint n_fields;
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const char *schema;
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const char *name;
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uint n_pk_fields;
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const uint *pk_field_indexes;
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MY_BITMAP nullable_fields;
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virtual ~table_data() { bitmap_free(&nullable_fields); }
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} struct_table_data;
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static struct_table_data rli_table_data;
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static struct_file_data rli_file_data;
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static struct_table_data mi_table_data;
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static struct_file_data mi_file_data;
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static struct_table_data worker_table_data;
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static struct_file_data worker_file_data;
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static struct_table_data consensus_table_data;
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static struct_file_data consensus_file_data;
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static void init_repository_metadata();
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static bool decide_repository(Rpl_info *info, uint option,
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Rpl_info_handler **handler_src,
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Rpl_info_handler **handler_dest,
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const char **msg);
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static bool init_repositories(const struct_table_data &table_data,
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const struct_file_data &file_data, uint option,
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Rpl_info_handler **handler_src,
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Rpl_info_handler **handler_dest,
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const char **msg);
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static enum_return_check check_src_repository(Rpl_info *info, uint option,
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Rpl_info_handler **handler_src);
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static bool check_error_repository(Rpl_info_handler *handler_src,
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Rpl_info_handler *handler_dst,
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enum_return_check err_src,
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enum_return_check err_dst,
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const char **msg);
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static bool init_repositories(Rpl_info *info, Rpl_info_handler **handler_src,
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Rpl_info_handler **handler_dst,
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const char **msg);
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static bool scan_repositories(uint *found_instances, uint *found_rep_option,
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const struct_table_data &table_data,
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const struct_file_data &file_data,
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const char **msg);
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static bool load_channel_names_from_repository(
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std::vector<std::string> &channel_list, uint mi_instances,
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uint mi_repository, const char *default_channel,
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bool *default_channel_created_previously);
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static bool load_channel_names_from_table(
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std::vector<std::string> &channel_list, const char *default_channel,
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bool *default_channel_created_previously);
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};
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#endif
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