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MXS-1075: Sqlite db for GTID - file, pos mapping

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Use sqlite3 database instead of hash tables for GTID - file, pos mapping
This commit is contained in:
MassimilianoPinto
2017-03-28 10:23:09 +02:00
parent 69ae85c400
commit a236b14eef
6 changed files with 247 additions and 120 deletions
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11
server/modules/routing/binlogrouter/blr.h
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@ -57,6 +57,7 @@
#include <maxscale/thread.h>
#include <maxscale/protocol/mysql.h>
#include <maxscale/secrets.h>
#include <maxscale/sqlite3.h>
MXS_BEGIN_DECLS
@ -92,6 +93,11 @@ MXS_BEGIN_DECLS
/* MariaDB GTID string len */
#define GTID_MAX_LEN 42
/* GTID slite3 query buffer size */
#define GTID_SQL_BUFFER_SIZE 1024
/* GTID slite3 database name */
#define GTID_MAPS_DB "gtid_maps.db"
/**
* Supported Encryption algorithms
*
@ -451,6 +457,7 @@ typedef struct router_slave
void *encryption_ctx; /*< Encryption context */
bool gtid_strict_mode;/*< MariaDB 10 Slave sets gtid_strict_mode */
char *mariadb_gtid; /*< MariaDB 10 Slave connects with GTID */
sqlite3 *gtid_maps; /*< GTID storage client handle, read only*/
#if defined(SS_DEBUG)
skygw_chk_t rses_chk_tail;
#endif
@ -637,6 +644,7 @@ typedef struct router_instance
* This allows MariaDB 10 slave servers
* connecting with GTID */
HASHTABLE *gtid_repo; /*< Storage for MariaDB GTIDs */
sqlite3 *gtid_maps; /*< GTID storage */
struct router_instance *next;
} ROUTER_INSTANCE;
@ -881,6 +889,9 @@ extern int blr_check_encryption_algorithm(char *);
extern const char *blr_encryption_algorithm_list(void);
extern bool blr_get_encryption_key(ROUTER_INSTANCE *);
extern const char *blr_skip_leading_sql_comments(const char *);
extern bool blr_fetch_mariadb_gtid(ROUTER_SLAVE *,
const char *,
MARIADB_GTID_INFO *);
MXS_END_DECLS