Commit 695269c4 authored by Tien-Thinh Nguyen's avatar Tien-Thinh Nguyen
Browse files

Support FQDN Resolver

parent 284aa70e
......@@ -48,6 +48,7 @@ set(CN_UTILS_SRC STATIC
${CMAKE_CURRENT_SOURCE_DIR}/string.cpp
${CMAKE_CURRENT_SOURCE_DIR}/thread_sched.cpp
${CMAKE_CURRENT_SOURCE_DIR}/mime_parser.cpp
${CMAKE_CURRENT_SOURCE_DIR}/fqdn.cpp
)
add_library(CN_UTILS ${CN_UTILS_SRC})
\ No newline at end of file
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#include "fqdn.hpp"
#include "logger.hpp"
#include <boost/asio.hpp>
#include <iostream>
bool fqdn::resolve(
const std::string& host_name, std::string& address, uint32_t& port,
uint8_t& addr_type, const std::string& protocol) {
try {
boost::asio::io_context io_context = {};
boost::asio::ip::tcp::resolver resolver{io_context};
boost::asio::ip::tcp::resolver::results_type endpoints =
resolver.resolve(host_name, protocol);
addr_type = 0; // IPv4 by default
for (auto it = endpoints.cbegin(); it != endpoints.cend(); it++) {
// get the first Endpoint
boost::asio::ip::tcp::endpoint endpoint = *it;
address = endpoint.address().to_string();
port = endpoint.port();
Logger::smf_app().debug(
"Resolve a DNS (name %s, protocol %s): Ip Addr %s, port %u",
host_name.c_str(), protocol.c_str(), address.c_str(), port);
if (endpoint.address().is_v4())
addr_type = 0;
else
addr_type = 1;
return true;
}
} catch (std::exception& e) {
std::cerr << e.what() << '\n';
return false;
}
return false;
}
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file fqdn.hpp
\brief
\author
\company Eurecom
\email:
*/
#ifndef FILE_FQDN_HPP_SEEN
#define FILE_FQDN_HPP_SEEN
#include <string>
class fqdn {
public:
/*
* Resolve a DNS name to get host's IP Addr
* @param [const std::string &] host_name: host's name/url
* @param [const std::string &] protocol: protocol
* @param [uint8_t &] addr_type: addr_type (Ipv4/v6)
* @return void
*/
static bool resolve(
const std::string& host_name, std::string& address, uint32_t& port,
uint8_t& addr_type, const std::string& protocol = "http");
};
#endif /* FILE_FQDN_HPP_SEEN */
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