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Always use PQstatus to check connection status

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This addresses GitHib #234.
This commit is contained in:
Ian Barwick
2016-08-25 07:39:52 +09:00
parent 5a7ce552f0
commit 8de84707d9
3 changed files with 14 additions and 17 deletions
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16
repmgr.c
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@@ -1053,7 +1053,7 @@ do_cluster_cleanup(void)
log_info(_("connecting to master database\n"));
master_conn = get_master_connection(conn, options.cluster_name,
NULL, NULL);
if (master_conn == NULL)
if (PQstatus(master_conn) != CONNECTION_OK)
{
log_err(_("cluster cleanup: cannot connect to master\n"));
PQfinish(conn);
@@ -1325,7 +1325,7 @@ do_standby_register(void)
log_info(_("connecting to master database\n"));
master_conn = get_master_connection(conn, options.cluster_name,
NULL, NULL);
if (master_conn == NULL)
if (PQstatus(master_conn) != CONNECTION_OK)
{
log_err(_("a master must be defined before configuring a standby\n"));
exit(ERR_BAD_CONFIG);
@@ -1456,7 +1456,7 @@ do_standby_unregister(void)
log_info(_("connecting to master database\n"));
master_conn = get_master_connection(conn, options.cluster_name,
NULL, NULL);
if (master_conn == NULL)
if (PQstatus(master_conn) != CONNECTION_OK)
{
log_err(_("a master must be defined before unregistering a standby\n"));
exit(ERR_BAD_CONFIG);
@@ -2755,9 +2755,9 @@ do_standby_follow(void)
master_conn = get_master_connection(conn,
options.cluster_name, &master_id, (char *) &master_conninfo);
}
while (master_conn == NULL && runtime_options.wait_for_master);
while (PQstatus(master_conn) != CONNECTION_OK && runtime_options.wait_for_master);
if (master_conn == NULL)
if (PQstatus(master_conn) != CONNECTION_OK)
{
log_err(_("unable to determine new master node\n"));
PQfinish(conn);
@@ -2978,7 +2978,7 @@ do_standby_switchover(void)
/* Check that primary is available */
remote_conn = get_master_connection(local_conn, options.cluster_name, &remote_node_id, remote_conninfo);
if (remote_conn == NULL)
if (PQstatus(remote_conn) != CONNECTION_OK)
{
log_err(_("unable to connect to current master node\n"));
log_hint(_("check that the cluster is correctly configured and this standby is registered\n"));
@@ -4262,7 +4262,7 @@ do_witness_register(PGconn *masterconn)
param_set("dbname", repmgr_db);
/* masterconn will only be set when called from do_witness_create() */
if (masterconn == NULL)
if (PQstatus(masterconn) != CONNECTION_OK)
{
event_is_register = true;
@@ -4456,7 +4456,7 @@ do_witness_unregister(void)
log_info(_("connecting to master server\n"));
master_conn = get_master_connection(conn, options.cluster_name,
NULL, NULL);
if (master_conn == NULL)
if (PQstatus(master_conn) != CONNECTION_OK)
{
log_err(_("Unable to connect to master server\n"));
exit(ERR_BAD_CONFIG);