--- /dev/null
+/*
+ CTDB cluster config handling
+
+ Copyright (C) Martin Schwenke 2018
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include "system/network.h"
+
+#include "lib/util/debug.h"
+
+#include "common/conf.h"
+
+#include "cluster_conf.h"
+
+#define CLUSTER_TRANSPORT_DEFAULT "tcp"
+
+/*
+ * Ideally this wants to be a void function but it also used directly
+ * as a validation function
+ */
+static bool check_static_string_change(const char *key,
+ const char *old_value,
+ const char *new_value,
+ enum conf_update_mode mode)
+{
+ if (mode == CONF_MODE_RELOAD) {
+ if (strcmp(old_value, new_value) != 0) {
+ D_WARNING("Ignoring update of [%s] -> %s\n",
+ CLUSTER_CONF_SECTION,
+ key);
+ }
+ }
+
+ return true;
+}
+
+static bool validate_transport(const char *key,
+ const char *old_transport,
+ const char *new_transport,
+ enum conf_update_mode mode)
+{
+ /* Don't allow "ib" for now. It is broken! */
+ if (strcmp(new_transport, CLUSTER_TRANSPORT_DEFAULT) != 0) {
+ D_ERR("Invalid value for [cluster] -> transport = %s\n",
+ new_transport);
+ return false;
+ }
+
+ /* This sometimes warns but always returns true */
+ return check_static_string_change(key,
+ old_transport,
+ new_transport,
+ mode);
+}
+
+static bool validate_node_address(const char *key,
+ const char *old_node_address,
+ const char *new_node_address,
+ enum conf_update_mode mode)
+{
+ struct in_addr addr4;
+ struct in6_addr addr6;
+ int ret;
+
+ if (new_node_address == NULL) {
+ goto good;
+ }
+
+ ret = inet_pton(AF_INET, new_node_address, &addr4);
+ if (ret == 1) {
+ goto good;
+ }
+
+ ret = inet_pton(AF_INET6, new_node_address, &addr6);
+ if (ret == 1) {
+ goto good;
+ }
+
+ D_ERR("Invalid value for [cluster] -> node address = %s\n",
+ new_node_address);
+ return false;
+
+good:
+ /* This sometimes warns but always returns true */
+ return check_static_string_change(key,
+ old_node_address,
+ new_node_address,
+ mode);
+}
+
+void cluster_conf_init(struct conf_context *conf)
+{
+ conf_define_section(conf, CLUSTER_CONF_SECTION, NULL);
+
+ conf_define_string(conf,
+ CLUSTER_CONF_SECTION,
+ CLUSTER_CONF_TRANSPORT,
+ CLUSTER_TRANSPORT_DEFAULT,
+ validate_transport);
+ conf_define_string(conf,
+ CLUSTER_CONF_SECTION,
+ CLUSTER_CONF_NODE_ADDRESS,
+ NULL,
+ validate_node_address);
+ conf_define_string(conf,
+ CLUSTER_CONF_SECTION,
+ CLUSTER_CONF_RECOVERY_LOCK,
+ NULL,
+ check_static_string_change);
+}
--- /dev/null
+/*
+ CTDB cluster config handling
+
+ Copyright (C) Martin Schwenke 2018
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __CTDB_CLUSTER_CONF_H__
+#define __CTDB_CLUSTER_CONF_H__
+
+#include "common/conf.h"
+
+#define CLUSTER_CONF_SECTION "cluster"
+
+#define CLUSTER_CONF_TRANSPORT "transport"
+#define CLUSTER_CONF_NODE_ADDRESS "node address"
+#define CLUSTER_CONF_RECOVERY_LOCK "recovery lock"
+
+void cluster_conf_init(struct conf_context *conf);
+
+#endif /* __CTDB_CLUSTER_CONF_H__ */