135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
/*
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* Copyright 2020 AT&T Intellectual Property
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* Copyright 2020 Nokia
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file 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.apache.org/licenses/LICENSE-2.0
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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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//
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// Created by adi ENZEL on 4/5/20.
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//
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#ifndef E2_BUILDXML_H
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#define E2_BUILDXML_H
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#include <iostream>
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#include <iosfwd>
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#include <vector>
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#include "pugixml/src/pugixml.hpp"
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#include <string>
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#include <sstream>
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#include <mdclog/mdclog.h>
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#include <cstdlib>
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using namespace std;
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/*
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* Copied from pugixml samples
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*/
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struct xml_string_writer : pugi::xml_writer {
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std::string result;
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void write(const void *data, size_t size) override {
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result.append(static_cast<const char *>(data), size);
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}
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};
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// end::code[]
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//struct xml_memory_writer : pugi::xml_writer {
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// char *buffer;
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// size_t capacity;
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// size_t result;
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//
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// xml_memory_writer() : buffer(nullptr), capacity(0), result(0) {
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// }
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//
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// xml_memory_writer(char *buffer, size_t capacity) : buffer(buffer), capacity(capacity), result(0) {
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// }
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//
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// [[nodiscard]] size_t written_size() const {
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// return result < capacity ? result : capacity;
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// }
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//
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// void write(const void *data, size_t size) override {
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// if (result < capacity) {
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// size_t chunk = (capacity - result < size) ? capacity - result : size;
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//
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// memcpy(buffer + result, data, chunk);
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// }
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// result += size;
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// }
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//};
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std::string node_to_string(pugi::xml_node node) {
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xml_string_writer writer;
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node.print(writer);
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return writer.result;
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}
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int buildXmlData(const string &messageName, const string &ieName, vector<string> &RANfunctionsAdded, unsigned char *buffer, size_t size) {
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pugi::xml_document doc;
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doc.reset();
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pugi::xml_parse_result result = doc.load_buffer((const char *)buffer, size);
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if (result) {
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unsigned int index = 0;
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for (auto tool : doc.child("E2AP-PDU")
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.child("initiatingMessage")
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.child("value")
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.child(messageName.c_str())
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.child("protocolIEs")
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.children(ieName.c_str())) {
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// there can be many ieName entries in the messageName so we need only the ones that containes E2SM continers
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auto node = tool.child("id"); // get the id to identify the type of the contained message
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if (node.empty()) {
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mdclog_write(MDCLOG_ERR, "Failed to find ID node in the XML. File %s, line %d",
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__FILE__, __LINE__);
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continue;
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}
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if (strcmp(node.name(), "id") == 0 && strcmp(node.child_value(), "10") == 0) {
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auto nodea = tool.child("value").
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child("RANfunctions-List").
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children("ProtocolIE-SingleContainer");
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for (auto n1 : nodea) {
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auto n2 = n1.child("value").child("RANfunction-Item").child("ranFunctionDefinition");
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n2.remove_children();
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string val = RANfunctionsAdded.at(index++);
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// here we get vector with counter
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n2.append_child(pugi::node_pcdata).set_value(val.c_str());
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if (mdclog_level_get() >= MDCLOG_DEBUG) {
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mdclog_write(MDCLOG_DEBUG, "entry %s Replaced with : %s", n2.name(), n2.child_value());
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}
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}
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} else {
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if (mdclog_level_get() >= MDCLOG_DEBUG) {
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mdclog_write(MDCLOG_DEBUG, "Entry %s = value %s skipped", node.name(), node.child_value());
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}
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continue;
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}
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}
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auto res = node_to_string(doc);
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memcpy(buffer, res.c_str(), res.length());
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doc.reset();
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} else {
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mdclog_write(MDCLOG_ERR, "Error loading xml string");
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return -1;
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}
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return 0;
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}
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#endif //E2_BUILDXML_H
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