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repmgrd: write monitoring statistics

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This commit is contained in:
Ian Barwick
2017-08-24 11:49:44 +09:00
parent 5dfb8a5b06
commit a659132ea4
4 changed files with 237 additions and 35 deletions
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23
dbutils.h
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@@ -247,14 +247,19 @@ typedef struct BdrNodeInfoList
}
typedef struct {
char current_timestamp[MAXLEN];
uint64 last_wal_receive_lsn;
uint64 last_wal_replay_lsn;
char last_xact_replay_timestamp[MAXLEN];
int replication_lag_time;
bool receiving_streamed_wal;
} ReplInfo;
#define T_REPLINFO_INTIALIZER { \
"", \
InvalidXLogRecPtr, \
InvalidXLogRecPtr, \
"", \
0 \
}
@@ -304,6 +309,7 @@ XLogRecPtr parse_lsn(const char *str);
extern void wrap_ddl_query(PQExpBufferData *query_buf, int replication_type, const char *fmt, ...)
__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
bool atobool(const char *value);
/* connection functions */
PGconn *establish_db_connection(const char *conninfo,
@@ -366,8 +372,7 @@ ExtensionStatus get_repmgr_extension_status(PGconn *conn);
/* node management functions */
void checkpoint(PGconn *conn);
/* result functions */
bool atobool(const char *value);
/* node record functions */
t_server_type parse_node_type(const char *type);
@@ -424,6 +429,19 @@ int wait_connection_availability(PGconn *conn, long long timeout);
/* node availability functions */
bool is_server_available(const char *conninfo);
/* monitoring functions */
void add_monitoring_record(
PGconn *conn,
int primary_node_id,
int local_node_id,
char *monitor_standby_timestamp,
XLogRecPtr primary_last_wal_location,
XLogRecPtr last_wal_receive_lsn,
char *last_xact_replay_timestamp,
long long unsigned int replication_lag_bytes,
long long unsigned int apply_lag_bytes
);
/* node voting functions */
NodeVotingStatus get_voting_status(PGconn *conn);
@@ -435,6 +453,7 @@ bool get_new_primary(PGconn *conn, int *primary_node_id);
void reset_voting_status(PGconn *conn);
/* replication status functions */
XLogRecPtr get_current_wal_lsn(PGconn *conn);
XLogRecPtr get_last_wal_receive_location(PGconn *conn);
bool get_replication_info(PGconn *conn, ReplInfo *replication_info);
int get_replication_lag_seconds(PGconn *conn);