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Basic voting

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This commit is contained in:
Ian Barwick
2017-06-29 01:11:21 +09:00
parent d6b6255144
commit fa86fe4ad8
6 changed files with 121 additions and 20 deletions
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30
dbutils.c
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@@ -2307,6 +2307,13 @@ request_vote(PGconn *conn, t_node_info *this_node, t_node_info *other_node, XLog
termPQExpBuffer(&query);
// check for NULL
if (PQgetisnull(res, 0, 0))
{
log_debug("XXX NULL returned by repmgr.request_vote()");
return 0;
}
lsn_diff = atoi(PQgetvalue(res, 0, 0));
log_debug("XXX lsn_diff %i", lsn_diff);
@@ -2337,16 +2344,23 @@ request_vote(PGconn *conn, t_node_info *this_node, t_node_info *other_node, XLog
}
/* still tiebreak - decide by node_id */
if (this_node->node_id < other_node->node_id)
{
log_debug("this node has lower id");
return 1;
}
log_debug("other node wins");
// we're the candidate, so we win
log_debug("win by default");
return 1;
}
/* we lose */
return 0;
void
set_voting_status_initiated(PGconn *conn)
{
PGresult *res;
res = PQexec(conn, "SELECT repmgr.set_voting_status_initiated()");
PQclear(res);
return;
}