/* Copyright (C) 2018 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02111-1301, USA */
#ifndef _mariadb_rpl_h_
#define _mariadb_rpl_h_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#define MARIADB_RPL_VERSION 0x0001
#define MARIADB_RPL_REQUIRED_VERSION 0x0001
/* Protocol flags */
#define MARIADB_RPL_BINLOG_DUMP_NON_BLOCK 1
#define MARIADB_RPL_BINLOG_SEND_ANNOTATE_ROWS 2
#define MARIADB_RPL_IGNORE_HEARTBEAT (1 << 17)
#define EVENT_HEADER_OFS 20
#define FL_GROUP_COMMIT_ID 2
#define FL_STMT_END 1
#define LOG_EVENT_ARTIFICIAL_F 0x20
/* Options */
enum mariadb_rpl_option {
MARIADB_RPL_FILENAME, /* Filename and length */
MARIADB_RPL_START, /* Start position */
MARIADB_RPL_SERVER_ID, /* Server ID */
MARIADB_RPL_FLAGS, /* Protocol flags */
MARIADB_RPL_GTID_CALLBACK, /* GTID callback function */
MARIADB_RPL_GTID_DATA, /* GTID data */
MARIADB_RPL_BUFFER
};
/* Event types: From MariaDB Server sql/log_event.h */
enum mariadb_rpl_event {
UNKNOWN_EVENT= 0,
START_EVENT_V3= 1,
QUERY_EVENT= 2,
STOP_EVENT= 3,
ROTATE_EVENT= 4,
INTVAR_EVENT= 5,
LOAD_EVENT= 6,
SLAVE_EVENT= 7,
CREATE_FILE_EVENT= 8,
APPEND_BLOCK_EVENT= 9,
EXEC_LOAD_EVENT= 10,
DELETE_FILE_EVENT= 11,
NEW_LOAD_EVENT= 12,
RAND_EVENT= 13,
USER_VAR_EVENT= 14,
FORMAT_DESCRIPTION_EVENT= 15,
XID_EVENT= 16,
BEGIN_LOAD_QUERY_EVENT= 17,
EXECUTE_LOAD_QUERY_EVENT= 18,
TABLE_MAP_EVENT = 19,
PRE_GA_WRITE_ROWS_EVENT = 20, /* deprecated */
PRE_GA_UPDATE_ROWS_EVENT = 21, /* deprecated */
PRE_GA_DELETE_ROWS_EVENT = 22, /* deprecated */
WRITE_ROWS_EVENT_V1 = 23,
UPDATE_ROWS_EVENT_V1 = 24,
DELETE_ROWS_EVENT_V1 = 25,
INCIDENT_EVENT= 26,
HEARTBEAT_LOG_EVENT= 27,
IGNORABLE_LOG_EVENT= 28,
ROWS_QUERY_LOG_EVENT= 29,
WRITE_ROWS_EVENT = 30,
UPDATE_ROWS_EVENT = 31,
DELETE_ROWS_EVENT = 32,
GTID_LOG_EVENT= 33,
ANONYMOUS_GTID_LOG_EVENT= 34,
PREVIOUS_GTIDS_LOG_EVENT= 35,
TRANSACTION_CONTEXT_EVENT= 36,
VIEW_CHANGE_EVENT= 37,
XA_PREPARE_LOG_EVENT= 38,
/*
Add new events here - right above this comment!
Existing events (except ENUM_END_EVENT) should never change their numbers
*/
/* New MySQL/Sun events are to be added right above this comment */
MYSQL_EVENTS_END,
MARIA_EVENTS_BEGIN= 160,
ANNOTATE_ROWS_EVENT= 160,
BINLOG_CHECKPOINT_EVENT= 161,
GTID_EVENT= 162,
GTID_LIST_EVENT= 163,
START_ENCRYPTION_EVENT= 164,
QUERY_COMPRESSED_EVENT = 165,
WRITE_ROWS_COMPRESSED_EVENT_V1 = 166,
UPDATE_ROWS_COMPRESSED_EVENT_V1 = 167,
DELETE_ROWS_COMPRESSED_EVENT_V1 = 168,
WRITE_ROWS_COMPRESSED_EVENT = 169,
UPDATE_ROWS_COMPRESSED_EVENT = 170,
DELETE_ROWS_COMPRESSED_EVENT = 171,
/* Add new MariaDB events here - right above this comment! */
ENUM_END_EVENT /* end marker */
};
typedef struct {
char *str;
size_t length;
} MARIADB_STRING;
enum mariadb_row_event_type {
WRITE_ROWS= 0,
UPDATE_ROWS= 1,
DELETE_ROWS= 2
};
/* Global transaction id */
typedef struct st_mariadb_gtid {
unsigned int domain_id;
unsigned int server_id;
unsigned long long sequence_nr;
} MARIADB_GTID;
/* Generic replication handle */
typedef struct st_mariadb_rpl {
unsigned int version;
MYSQL *mysql;
char *filename;
uint32_t filename_length;
unsigned char *buffer;
unsigned long buffer_size;
uint32_t server_id;
unsigned long start_position;
uint32_t flags;
uint8_t fd_header_len; /* header len from last format description event */
uint8_t use_checksum;
} MARIADB_RPL;
/* Event header */
struct st_mariadb_rpl_rotate_event {
unsigned long long position;
MARIADB_STRING filename;
};
struct st_mariadb_rpl_query_event {
uint32_t thread_id;
uint32_t seconds;
MARIADB_STRING database;
uint32_t errornr;
MARIADB_STRING status;
MARIADB_STRING statement;
};
struct st_mariadb_rpl_gtid_list_event {
uint32_t gtid_cnt;
MARIADB_GTID *gtid;
};
struct st_mariadb_rpl_format_description_event
{
uint16_t format;
char *server_version;
uint32_t timestamp;
uint8_t header_len;
};
struct st_mariadb_rpl_checkpoint_event {
MARIADB_STRING filename;
};
struct st_mariadb_rpl_xid_event {
uint64_t transaction_nr;
};
struct st_mariadb_rpl_gtid_event {
uint64_t sequence_nr;
uint32_t domain_id;
uint8_t flags;
uint64_t commit_id;
};
struct st_mariadb_rpl_annotate_rows_event {
MARIADB_STRING statement;
};
struct st_mariadb_rpl_table_map_event {
unsigned long long table_id;
MARIADB_STRING database;
MARIADB_STRING table;
unsigned int column_count;
MARIADB_STRING column_types;
MARIADB_STRING metadata;
char *null_indicator;
};
struct st_mariadb_rpl_rand_event {
unsigned long long first_seed;
unsigned long long second_seed;
};
struct st_mariadb_rpl_encryption_event {
char scheme;
unsigned int key_version;
char *nonce;
};
struct st_mariadb_rpl_intvar_event {
char type;
unsigned long long value;
};
struct st_mariadb_rpl_uservar_event {
MARIADB_STRING name;
uint8_t is_null;
uint8_t type;
uint32_t charset_nr;
MARIADB_STRING value;
uint8_t flags;
};
struct st_mariadb_rpl_rows_event {
enum mariadb_row_event_type type;
uint64_t table_id;
uint16_t flags;
uint32_t column_count;
char *column_bitmap;
char *column_update_bitmap;
size_t row_data_size;
void *row_data;
};
struct st_mariadb_rpl_heartbeat_event {
uint32_t timestamp;
uint32_t next_position;
uint8_t type;
uint16_t flags;
};
typedef struct st_mariadb_rpl_event
{
/* common header */
MA_MEM_ROOT memroot;
unsigned int checksum;
char ok;
enum mariadb_rpl_event event_type;
unsigned int timestamp;
unsigned int server_id;
unsigned int event_length;
unsigned int next_event_pos;
unsigned short flags;
/****************/
union {
struct st_mariadb_rpl_rotate_event rotate;
struct st_mariadb_rpl_query_event query;
struct st_mariadb_rpl_format_description_event format_description;
struct st_mariadb_rpl_gtid_list_event gtid_list;
struct st_mariadb_rpl_checkpoint_event checkpoint;
struct st_mariadb_rpl_xid_event xid;
struct st_mariadb_rpl_gtid_event gtid;
struct st_mariadb_rpl_annotate_rows_event annotate_rows;
struct st_mariadb_rpl_table_map_event table_map;
struct st_mariadb_rpl_rand_event rand;
struct st_mariadb_rpl_encryption_event encryption;
struct st_mariadb_rpl_intvar_event intvar;
struct st_mariadb_rpl_uservar_event uservar;
struct st_mariadb_rpl_rows_event rows;
struct st_mariadb_rpl_heartbeat_event heartbeat;
} event;
} MARIADB_RPL_EVENT;
#define mariadb_rpl_init(a) mariadb_rpl_init_ex((a), MARIADB_RPL_VERSION)
/* Function prototypes */
MARIADB_RPL * STDCALL mariadb_rpl_init_ex(MYSQL *mysql, unsigned int version);
int mariadb_rpl_optionsv(MARIADB_RPL *rpl, enum mariadb_rpl_option, ...);
int mariadb_rpl_get_optionsv(MARIADB_RPL *rpl, enum mariadb_rpl_option, ...);
int STDCALL mariadb_rpl_open(MARIADB_RPL *rpl);
void STDCALL mariadb_rpl_close(MARIADB_RPL *rpl);
MARIADB_RPL_EVENT * STDCALL mariadb_rpl_fetch(MARIADB_RPL *rpl, MARIADB_RPL_EVENT *event);
void STDCALL mariadb_free_rpl_event(MARIADB_RPL_EVENT *event);
#ifdef __cplusplus
}
#endif
#endif