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Relay log clear supports multiple slave connections

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Now waits for the relay log of the correct slave connection.
This commit is contained in:
Esa Korhonen
2018-08-28 13:54:53 +03:00
parent 85d8a85cde
commit c39177bc8d
5 changed files with 57 additions and 48 deletions
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15
server/modules/monitor/mariadbmon/mariadbserver.hh
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@ -176,11 +176,13 @@ public:
void check_permissions();
/**
* Calculate how many events are left in the relay log.
* Calculate how many events are left in the relay log of the slave connection to 'master'.
*
* @return Number of events in relay log according to latest queried info.
* @param master The master server from which the slave connection is replicating from
* @return Number of events in relay log according to latest queried info. Negative on error,
* e.g. the slave connection didn't exist.
*/
int64_t relay_log_events();
int64_t relay_log_events(const MariaDBServer* master);
/**
* Execute a query which returns data. The results are returned as a unique pointer to a QueryResult
@ -399,12 +401,13 @@ public:
/**
* Waits until this server has processed all its relay log, or time is up.
*
* @param seconds_remaining How much time left
* @param err_out Json error output
* @param master The master (or relay) whose relay log should be waited on
* @param seconds_remaining Maximum wait time
* @param err_out Error output
* @return True if relay log was processed within time limit, or false if time ran out
* or an error occurred.
*/
bool failover_wait_relay_log(int seconds_remaining, json_t** err_out);
bool failover_wait_relay_log(const MariaDBServer* master, int seconds_remaining, json_t** err_out);
/**
* Check if the server can be demoted by switchover.