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MDEV-34705: Binlog in Engine: Refactor rpl_gtid.h

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Move rpl_gtid and rpl_binlog_state_base into separate rpl_gtid_base.h include
that can be used from engines implementing the binlog interface.

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
This commit is contained in:
Kristian Nielsen
2024-10-01 13:02:54 +02:00
parent 1794fd427a
commit 290b13dcc9
3 changed files with 89 additions and 44 deletions
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47
sql/rpl_gtid.h
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@@ -16,9 +16,10 @@
#ifndef RPL_GTID_H
#define RPL_GTID_H
#include "hash.h"
#include "queues.h"
#include <atomic>
#include "rpl_gtid_base.h"
/* Definitions for MariaDB global transaction ID (GTID). */
@@ -29,19 +30,9 @@ class String;
#ifdef MYSQL_SERVER
struct TABLE;
#endif
struct slave_connection_state;
#define PARAM_GTID(G) G.domain_id, G.server_id, G.seq_no
#define GTID_MAX_STR_LENGTH (10+1+10+1+20)
#define PARAM_GTID(G) G.domain_id, G.server_id, G.seq_no
struct rpl_gtid
{
uint32 domain_id;
uint32 server_id;
uint64 seq_no;
};
#define PARAM_GTID(G) (G).domain_id, (G).server_id, (G).seq_no
inline bool operator==(const rpl_gtid& lhs, const rpl_gtid& rhs)
{
@@ -307,38 +298,6 @@ struct rpl_slave_state
rpl_binlog_state builds server logic on top of that like mutex locking,
gtid_strict_mode handling, etc.
*/
struct rpl_binlog_state_base
{
struct element {
uint32 domain_id;
HASH hash; /* Containing all server_id for one domain_id */
/* The most recent entry in the hash. */
rpl_gtid *last_gtid;
/* Counter to allocate next seq_no for this domain. */
uint64 seq_no_counter;
int update_element(const rpl_gtid *gtid);
};
/* Mapping from domain_id to collection of elements. */
HASH hash;
my_bool initialized;
rpl_binlog_state_base() : initialized(0) {}
~rpl_binlog_state_base();
void init();
void reset_nolock();
void free();
bool load_nolock(struct rpl_gtid *list, uint32 count);
bool load_nolock(rpl_binlog_state_base *orig_state);
int update_nolock(const struct rpl_gtid *gtid);
int alloc_element_nolock(const rpl_gtid *gtid);
uint32 count_nolock();
int get_gtid_list_nolock(rpl_gtid *gtid_list, uint32 list_size);
rpl_gtid *find_nolock(uint32 domain_id, uint32 server_id);
bool is_before_pos(slave_connection_state *pos);
};
struct rpl_binlog_state : public rpl_binlog_state_base
{
/* Mutex protecting access to the state. */