Teodora
19bb463049
1. Create a free_ru_session_list() function to free the memory allocated for the connected RUs before closing the nr-softmodem. 2. xmlReadMemory() and xmlNodeGetContent() were causing serious memory leakages, and now all is properly freed using xmlFreeDoc() and xmlFree().
107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include "get-xml.h"
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#include <libxml/parser.h>
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#include <string.h>
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#include <stdlib.h>
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static xmlChar *find_ru_xml_node(xmlNode *node, const char *filter)
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{
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for (xmlNode *cur_node = node; cur_node; cur_node = cur_node->next) {
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if (cur_node->type != XML_ELEMENT_NODE)
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continue;
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if (strcmp((const char *)cur_node->name, filter) == 0) {
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xmlNode *target_node = cur_node;
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for(xmlNode *cur_node2 = cur_node->children; cur_node2; cur_node2 = cur_node2->next) {
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if (cur_node2->type == XML_ELEMENT_NODE && strcmp((const char *)cur_node2->name, "name") == 0) {
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target_node = cur_node2;
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break;
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}
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}
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return xmlNodeGetContent(target_node);
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}
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xmlChar *answer = find_ru_xml_node(cur_node->children, filter);
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if (answer != NULL) {
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return answer;
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}
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}
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return NULL;
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}
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char *get_ru_xml_node(const char *buffer, const char *filter)
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{
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// Initialize the xml file
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size_t len = strlen(buffer) + 1;
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xmlDoc *doc = xmlReadMemory(buffer, len, NULL, NULL, 0);
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xmlNode *root_element = xmlDocGetRootElement(doc);
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xmlChar *content = find_ru_xml_node(root_element->children, filter);
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char *value = strdup((char *)content);
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xmlFree(content);
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xmlFreeDoc(doc);
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return value;
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}
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static void find_ru_xml_list(xmlNode *node, const char *filter, char ***match_list, size_t *count)
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{
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for (xmlNode *cur_node = node; cur_node; cur_node = cur_node->next) {
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if (cur_node->type != XML_ELEMENT_NODE)
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continue;
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if (strcmp((const char *)cur_node->name, filter) == 0) {
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xmlNode *name_node = NULL;
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for (xmlNode *cur_node2 = cur_node->children; cur_node2; cur_node2 = cur_node2->next) {
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const char *name_node_str = (const char *)cur_node2->name;
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if (cur_node2->type == XML_ELEMENT_NODE && (strcmp(name_node_str, "name") == 0 || strcmp(name_node_str, "measurement-object") == 0)) {
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name_node = cur_node2;
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break;
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}
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}
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xmlChar *content = xmlNodeGetContent(name_node ? name_node : cur_node);
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if (content) {
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*match_list = realloc(*match_list, (*count + 1) * sizeof(char *));
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(*match_list)[*count] = strdup((char *)content);
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(*count)++;
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xmlFree(content);
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}
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}
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find_ru_xml_list(cur_node->children, filter, match_list, count);
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}
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}
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void get_ru_xml_list(const char *buffer, const char *filter, char ***match_list, size_t *count)
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{
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// Initialize the xml file
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size_t len = strlen(buffer) + 1;
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xmlDoc *doc = xmlReadMemory(buffer, len, NULL, NULL, 0);
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xmlNode *root_element = xmlDocGetRootElement(doc);
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find_ru_xml_list(root_element->children, filter, match_list, count);
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xmlFreeDoc(doc);
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}
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