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attrd_nodes.c
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/*
* Copyright 2024-2025 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdio.h> // NULL
#include <glib.h> // GHashTable, etc.
#include "pacemaker-attrd.h"
// Track the last known node XML ID for each node name
static GHashTable *node_xml_ids = NULL;
/*!
* \internal
* \brief Get last known XML ID for a given node
*
* \param[in] node_name Name of node to check
*
* \return Last known XML ID for node (or NULL if none known)
*
* \note The return value may become invalid if attrd_set_node_xml_id() or
* attrd_forget_node_xml_id() is later called for \p node_name.
*/
const char *
attrd_get_node_xml_id(const char *node_name)
{
if (node_xml_ids == NULL) {
return NULL;
}
return g_hash_table_lookup(node_xml_ids, node_name);
}
/*!
* \internal
* \brief Set last known XML ID for a given node
*
* \param[in] node_name Name of node to set
* \param[in] node_xml_id New XML ID to set for node
*/
void
attrd_set_node_xml_id(const char *node_name, const char *node_xml_id)
{
if (node_xml_ids == NULL) {
node_xml_ids = pcmk__strikey_table(free, free);
}
pcmk__insert_dup(node_xml_ids, node_name, node_xml_id);
}
/*!
* \internal
* \brief Forget last known XML ID for a given node
*
* \param[in] node_name Name of node to forget
*/
void
attrd_forget_node_xml_id(const char *node_name)
{
if (node_xml_ids == NULL) {
return;
}
g_hash_table_remove(node_xml_ids, node_name);
}
/*!
* \internal
* \brief Free the node XML ID cache
*/
void
attrd_cleanup_xml_ids(void)
{
if (node_xml_ids != NULL) {
g_hash_table_destroy(node_xml_ids);
node_xml_ids = NULL;
}
}

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