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/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* 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 2.1 of the License, or (at your option) any later version.
*
* This software 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/msg.h>
#include <glib.h>
#include <crm/pengine/status.h>
#include <utils.h>
#include <unpack.h>
extern xmlNode*get_object_root(
const char *object_type, xmlNode *the_root);
#define MEMCHECK_STAGE_0 0
#define check_and_exit(stage) cleanup_calculations(data_set); \
crm_mem_stats(NULL); \
crm_err("Exiting: stage %d", stage); \
exit(1);
/*
* Unpack everything
* At the end you'll have:
* - A list of nodes
* - A list of resources (each with any dependencies on other resources)
* - A list of constraints between resources and nodes
* - A list of constraints between start/stop actions
* - A list of nodes that need to be stonith'd
* - A list of nodes that need to be shutdown
* - A list of the possible stop/start actions (without dependencies)
*/
gboolean
cluster_status(pe_working_set_t *data_set)
{
xmlNode * config = get_object_root(
XML_CIB_TAG_CRMCONFIG, data_set->input);
xmlNode * cib_nodes = get_object_root(
XML_CIB_TAG_NODES, data_set->input);
xmlNode * cib_resources = get_object_root(
XML_CIB_TAG_RESOURCES, data_set->input);
xmlNode * cib_status = get_object_root(
XML_CIB_TAG_STATUS, data_set->input);
xmlNode * cib_domains = get_object_root(
XML_CIB_TAG_DOMAINS, data_set->input);
const char *value = crm_element_value(
data_set->input, XML_ATTR_HAVE_QUORUM);
crm_debug_3("Beginning unpack");
pe_dataset = data_set;
/* reset remaining global variables */
data_set->failed = create_xml_node(NULL, "failed-ops");
if(data_set->input == NULL) {
return FALSE;
}
if(data_set->now == NULL) {
data_set->now = new_ha_date(TRUE);
}
if(data_set->input != NULL
&& crm_element_value(data_set->input, XML_ATTR_DC_UUID) != NULL) {
/* this should always be present */
data_set->dc_uuid = crm_element_value_copy(
data_set->input, XML_ATTR_DC_UUID);
}
clear_bit_inplace(data_set->flags, pe_flag_have_quorum);
if(crm_is_true(value)) {
set_bit_inplace(data_set->flags, pe_flag_have_quorum);
}
data_set->op_defaults = get_object_root(XML_CIB_TAG_OPCONFIG, data_set->input);
data_set->rsc_defaults = get_object_root(XML_CIB_TAG_RSCCONFIG, data_set->input);
unpack_config(config, data_set);
if(is_set(data_set->flags, pe_flag_have_quorum) == FALSE
&& data_set->no_quorum_policy != no_quorum_ignore) {
crm_warn("We do not have quorum"
" - fencing and resource management disabled");
}
unpack_nodes(cib_nodes, data_set);
unpack_domains(cib_domains, data_set);
unpack_resources(cib_resources, data_set);
unpack_status(cib_status, data_set);
return TRUE;
}
static void
pe_free_resources(GListPtr resources)
{
resource_t *rsc = NULL;
GListPtr iterator = resources;
while(iterator != NULL) {
iterator = iterator;
rsc = (resource_t *)iterator->data;
iterator = iterator->next;
rsc->fns->free(rsc);
}
if(resources != NULL) {
g_list_free(resources);
}
}
static void
pe_free_actions(GListPtr actions)
{
GListPtr iterator = actions;
while(iterator != NULL) {
pe_free_action(iterator->data);
iterator = iterator->next;
}
if(actions != NULL) {
g_list_free(actions);
}
}
static void
pe_free_nodes(GListPtr nodes)
{
GListPtr iterator = nodes;
while(iterator != NULL) {
node_t *node = (node_t*)iterator->data;
struct node_shared_s *details = node->details;
iterator = iterator->next;
crm_debug_5("deleting node");
crm_debug_5("%s is being deleted", details->uname);
print_node("delete", node, FALSE);
if(details != NULL) {
if(details->attrs != NULL) {
g_hash_table_destroy(details->attrs);
}
if(details->utilization != NULL) {
g_hash_table_destroy(details->utilization);
}
pe_free_shallow_adv(details->running_rsc, FALSE);
pe_free_shallow_adv(details->allocated_rsc, FALSE);
crm_free(details);
}
crm_free(node);
}
if(nodes != NULL) {
g_list_free(nodes);
}
}
void
cleanup_calculations(pe_working_set_t *data_set)
{
pe_dataset = NULL;
if(data_set == NULL) {
return;
}
if(data_set->config_hash != NULL) {
g_hash_table_destroy(data_set->config_hash);
}
crm_free(data_set->dc_uuid);
crm_debug_3("deleting resources");
pe_free_resources(data_set->resources);
crm_debug_3("deleting actions");
pe_free_actions(data_set->actions);
if(data_set->domains) {
g_hash_table_destroy(data_set->domains);
}
crm_debug_3("deleting nodes");
pe_free_nodes(data_set->nodes);
free_xml(data_set->graph);
free_ha_date(data_set->now);
free_xml(data_set->input);
free_xml(data_set->failed);
set_working_set_defaults(data_set);
CRM_CHECK(data_set->ordering_constraints == NULL, ;);
CRM_CHECK(data_set->placement_constraints == NULL, ;);
xmlCleanupParser();
}
void
set_working_set_defaults(pe_working_set_t *data_set)
{
pe_dataset = data_set;
memset(data_set, 0, sizeof(pe_working_set_t));
data_set->order_id = 1;
data_set->action_id = 1;
data_set->no_quorum_policy = no_quorum_freeze;
data_set->flags = 0x0ULL;
set_bit_inplace(data_set->flags, pe_flag_stop_rsc_orphans);
set_bit_inplace(data_set->flags, pe_flag_symmetric_cluster);
set_bit_inplace(data_set->flags, pe_flag_is_managed_default);
set_bit_inplace(data_set->flags, pe_flag_stop_action_orphans);
}
resource_t *
pe_find_resource(GListPtr rsc_list, const char *id)
{
unsigned lpc = 0;
resource_t *rsc = NULL;
resource_t *match = NULL;
if(id == NULL) {
return NULL;
}
for(lpc = 0; lpc < g_list_length(rsc_list); lpc++) {
rsc = g_list_nth_data(rsc_list, lpc);
match = rsc->fns->find_rsc(rsc, id, TRUE, FALSE, NULL, TRUE);
if(match != NULL) {
return match;
}
}
crm_debug_2("No match for %s", id);
return NULL;
}
node_t *
pe_find_node_id(GListPtr nodes, const char *id)
{
slist_iter(node, node_t, nodes, lpc,
if(node && safe_str_eq(node->details->id, id)) {
return node;
}
);
/* error */
return NULL;
}
node_t *
pe_find_node(GListPtr nodes, const char *uname)
{
slist_iter(node, node_t, nodes, lpc,
if(node && safe_str_eq(node->details->uname, uname)) {
return node;
}
);
/* error */
return NULL;
}

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