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repmgr node status: add information about current LSN locations for streaming standbys

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This commit is contained in:
Ian Barwick
2017-07-31 09:37:06 +09:00
committed by Ian Barwick
parent d00cb63179
commit 8a5665a421
3 changed files with 122 additions and 8 deletions
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24
dbutils.h
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@@ -183,6 +183,7 @@ typedef struct s_connection_user
} t_connection_user;
/* represents an entry in bdr.bdr_nodes */
typedef struct s_bdr_node_info
{
char node_sysid[MAXLEN];
@@ -196,7 +197,6 @@ typedef struct s_bdr_node_info
uint32 node_seq_id;
} t_bdr_node_info;
#define T_BDR_NODE_INFO_INITIALIZER { \
"", InvalidOid, InvalidOid, \
'?', "", "", "", \
@@ -224,9 +224,24 @@ typedef struct BdrNodeInfoList
0 \
}
typedef struct {
uint64 last_wal_receive_lsn;
uint64 last_wal_replay_lsn;
char replication_lag_time[MAXLEN];
} ReplInfo;
#define T_REPLINFO_INTIALIZER { \
InvalidXLogRecPtr, \
InvalidXLogRecPtr, \
"" \
}
extern int server_version_num;
/* macros */
#define is_streaming_replication(x) (x == PRIMARY || x == STANDBY)
#define format_lsn(x) (uint32) (x >> 32), (uint32) x
/* utility functions */
XLogRecPtr parse_lsn(const char *str);
@@ -280,10 +295,11 @@ int guc_set_typed(PGconn *conn, const char *parameter, const char *op,
bool get_pg_setting(PGconn *conn, const char *setting, char *output);
/* server information functions */
bool get_cluster_size(PGconn *conn, char *size);
int get_server_version(PGconn *conn, char *server_version);
bool get_cluster_size(PGconn *conn, char *size);
int get_server_version(PGconn *conn, char *server_version);
RecoveryType get_recovery_type(PGconn *conn);
int get_primary_node_id(PGconn *conn);
int get_primary_node_id(PGconn *conn);
bool get_replication_info(PGconn *conn, ReplInfo *replication_info);
/* extension functions */
ExtensionStatus get_repmgr_extension_status(PGconn *conn);