2 * Copyright 2020 AT&T Intellectual Property
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 // Created by adi ENZEL on 4/5/20.
27 #include "pugixml/src/pugixml.hpp"
30 #include <mdclog/mdclog.h>
36 * Copied from pugixml samples
38 struct xml_string_writer : pugi::xml_writer {
41 void write(const void *data, size_t size) override {
42 result.append(static_cast<const char *>(data), size);
47 //struct xml_memory_writer : pugi::xml_writer {
52 // xml_memory_writer() : buffer(nullptr), capacity(0), result(0) {
55 // xml_memory_writer(char *buffer, size_t capacity) : buffer(buffer), capacity(capacity), result(0) {
58 // [[nodiscard]] size_t written_size() const {
59 // return result < capacity ? result : capacity;
62 // void write(const void *data, size_t size) override {
63 // if (result < capacity) {
64 // size_t chunk = (capacity - result < size) ? capacity - result : size;
66 // memcpy(buffer + result, data, chunk);
72 std::string node_to_string(pugi::xml_node node) {
73 xml_string_writer writer;
80 int buildXmlData(const string &messageName, const string &ieName, vector<string> &RANfunctionsAdded, unsigned char *buffer, size_t size) {
81 pugi::xml_document doc;
84 pugi::xml_parse_result result = doc.load_buffer((const char *)buffer, size);
86 unsigned int index = 0;
87 for (auto tool : doc.child("E2AP-PDU")
88 .child("initiatingMessage")
90 .child(messageName.c_str())
92 .children(ieName.c_str())) {
93 // there can be many ieName entries in the messageName so we need only the ones that containes E2SM continers
94 auto node = tool.child("id"); // get the id to identify the type of the contained message
96 mdclog_write(MDCLOG_ERR, "Failed to find ID node in the XML. File %s, line %d",
100 if (strcmp(node.name(), "id") == 0 && strcmp(node.child_value(), "10") == 0) {
101 auto nodea = tool.child("value").
102 child("RANfunctions-List").
103 children("ProtocolIE-SingleContainer");
105 for (auto n1 : nodea) {
106 auto n2 = n1.child("value").child("RANfunction-Item").child("ranFunctionDefinition");
107 n2.remove_children();
108 string val = RANfunctionsAdded.at(index++);
109 // here we get vector with counter
110 n2.append_child(pugi::node_pcdata).set_value(val.c_str());
111 if (mdclog_level_get() >= MDCLOG_DEBUG) {
112 mdclog_write(MDCLOG_DEBUG, "entry %s Replaced with : %s", n2.name(), n2.child_value());
116 if (mdclog_level_get() >= MDCLOG_DEBUG) {
117 mdclog_write(MDCLOG_DEBUG, "Entry %s = value %s skipped", node.name(), node.child_value());
123 auto res = node_to_string(doc);
124 memcpy(buffer, res.c_str(), res.length());
127 mdclog_write(MDCLOG_ERR, "Error loading xml string");
134 #endif //E2_BUILDXML_H