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MXS-1266: saving GTID components into gtid_maps storage. part1

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Saving GTID components into gtid_maps storage will allow to create a
hiearchical binlog cache dir.

Empty GTID  for master registration can be specified with SET
@@global.gtid_slave_pos = ‘’
This commit is contained in:
MassimilianoPinto
2017-05-19 10:23:35 +02:00
parent 56cf06ee08
commit 6c86e1ef2f
5 changed files with 262 additions and 116 deletions
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14
server/modules/routing/binlogrouter/blr_master.c
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@ -1093,8 +1093,12 @@ blr_handle_binlog_record(ROUTER_INSTANCE *router, GWBUF *pkt)
router->binlog_name,
router->current_pos);
/* Save the pending GTID value */
/* Save the pending GTID string value */
strcpy(router->pending_transaction.gtid, mariadb_gtid);
/* Save the pending GTID components */
router->pending_transaction.gtid_elms.domain_id = domainid;
router->pending_transaction.gtid_elms.server_id = hdr.serverid;
router->pending_transaction.gtid_elms.seq_no = n_sequence;
}
router->pending_transaction.start_pos = router->current_pos;
@ -1304,7 +1308,8 @@ blr_handle_binlog_record(ROUTER_INSTANCE *router, GWBUF *pkt)
router->mariadb10_gtid)
{
/* Update last seen MariaDB GTID */
strcpy(router->last_mariadb_gtid, router->pending_transaction.gtid);
strcpy(router->last_mariadb_gtid,
router->pending_transaction.gtid);
/**
* Save MariaDB GTID into repo
*/
@ -3162,8 +3167,8 @@ static bool blr_handle_fake_rotate(ROUTER_INSTANCE *router,
* @param ptr The packet data
*/
static void blr_handle_fake_gtid_list(ROUTER_INSTANCE *router,
REP_HEADER *hdr,
uint8_t *ptr)
REP_HEADER *hdr,
uint8_t *ptr)
{
ss_dassert(hdr->event_type == MARIADB10_GTID_GTID_LIST_EVENT);
@ -3182,7 +3187,6 @@ static void blr_handle_fake_gtid_list(ROUTER_INSTANCE *router,
* fill any GAP with an ignorable event
* if GTID_LIST next_pos is greter than current EOF
*/
if (hdr->next_pos && (hdr->next_pos > binlog_file_eof))
{
uint64_t hole_size = hdr->next_pos - binlog_file_eof;