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Fixed some issues on GTID implementation and added support for storing table replication consistency metadata on MySQL server.

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This commit is contained in:
Jan Lindström
2013-07-23 07:44:28 +03:00
parent c84f4e099a
commit f7ddfa73bf
10 changed files with 748 additions and 63 deletions
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23
table_replication_consistency/table_replication_consistency.h
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@ -44,11 +44,12 @@ typedef struct {
int use_binlog_pos; /*!< in: 1 if binlog position
should be used for binlog start
position. */
char *gtid; /*!< in: Global transaction identifier
unsigned char *gtid; /*!< in: Global transaction identifier
or NULL */
size_t gtid_length; /*!< in: Real size of GTID */
int is_master; /*!< in: Is this server a master 1 =
yes, 0 = no. */
int gateway_slave_server_id; /*!< in: replication listener slave
int gateway_slave_server_id; /*!< in: replication listener slave
server id. */
int listener_id; /*!< in: listener id */
int connection_suggesfull; /*!< out: 0 if connection successfull
@ -59,13 +60,13 @@ typedef struct {
/* Structure definition for table consistency query */
typedef struct table_consistency_query {
char *db_dot_table; /*!< in: Fully qualified database and
unsigned char *db_dot_table; /*!< in: Fully qualified database and
table, e.g. Production.Orders. */
} table_consistency_query_t;
/* Structure definition for table consistency result */
typedef struct table_consistency {
char *db_dot_table; /*!< out: Fully qualified database and
unsigned char *db_dot_table;/*!< out: Fully qualified database and
table, e.g. Production.Orders. */
unsigned int server_id; /*!< out: Server id where the consitency
information is from. */
@ -75,8 +76,9 @@ typedef struct table_consistency {
transaction id is known. */
unsigned long binlog_pos; /*!< out: Last seen binlog position
on this server. */
char *gtid; /*!< out: If global transacition id
unsigned char *gtid; /*!< out: If global transacition id
is known, will contain the id or NULL. */
size_t gtid_length; /*!< out: Real length of GTID */
int error_code; /*!< out: 0 if table consistency query
for this server succesfull or error
code. */
@ -85,6 +87,7 @@ typedef struct table_consistency {
server failed. */
} table_consistency_t;
EXTERN_C_BLOCK_BEGIN
/* Interface functions */
@ -94,12 +97,12 @@ This function will register replication listener for every server
provided and initialize all internal data structures and starts listening
the replication stream.
@return 0 on success, error code at failure. */
int
int
tb_replication_consistency_init(
/*============================*/
replication_listener_t *rpl, /*!< in: Server
definition. */
int n_servers, /*!< in: Number of servers */
size_t n_servers, /*!< in: Number of servers */
unsigned int gateway_server_id);/*!< in: Gateway slave
server id. */
@ -110,14 +113,14 @@ status structures. Client must allocate memory for consistency result
array and provide the maximum number of values returned. At return
there is information how many results where available.
@return 0 on success, error code at failure. */
int
int
tb_replication_consistency_query(
/*=============================*/
table_consistency_query_t *tb_query, /*!< in: Table consistency
query. */
query. */
table_consistency_t *tb_consistency, /*!< in: Table consistency
status structure.*/
int *n_servers); /*!< inout: Number of
size_t *n_servers); /*!< inout: Number of
servers where to get table
consistency status. Out: Number
of successfull consistency