Program Listing for File udp_socket.hpp
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// Copyright 2021 LeoDrive.
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// 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.
// Developed by LeoDrive, 2021
#ifndef UDP_DRIVER__UDP_SOCKET_HPP_
#define UDP_DRIVER__UDP_SOCKET_HPP_
#include <array>
#include <string>
#include <vector>
#include "io_context/io_context.hpp"
#include "msg_converters/converters.hpp"
using asio::ip::udp;
using asio::ip::address;
using drivers::common::IoContext;
namespace drivers
{
namespace udp_driver
{
using Functor = std::function<void (const std::vector<uint8_t> &)>;
class UdpSocket
{
public:
UdpSocket(
const IoContext & ctx,
const std::string & remote_ip, uint16_t remote_port,
const std::string & host_ip, uint16_t host_port);
UdpSocket(
const IoContext & ctx,
const std::string & ip, uint16_t port);
~UdpSocket();
UdpSocket(const UdpSocket &) = delete;
UdpSocket & operator=(const UdpSocket &) = delete;
std::string remote_ip() const;
uint16_t remote_port() const;
std::string host_ip() const;
uint16_t host_port() const;
void open();
void close();
bool isOpen() const;
void bind();
/*
* Blocking Send Operation
*/
std::size_t send(std::vector<uint8_t> & buff);
/*
* Blocking Receive Operation
*/
size_t receive(std::vector<uint8_t> & buff);
/*
* NonBlocking Send Operation
*/
void asyncSend(std::vector<uint8_t> & buff);
/*
* NonBlocking Receive Operation
*/
void asyncReceive(Functor func);
private:
void asyncSendHandler(
const asio::error_code & error,
std::size_t bytes_transferred);
void asyncReceiveHandler(
const asio::error_code & error,
std::size_t bytes_transferred);
private:
const IoContext & m_ctx;
udp::socket m_udp_socket;
udp::endpoint m_remote_endpoint;
udp::endpoint m_host_endpoint;
Functor m_func;
static const size_t m_recv_buffer_size{2048};
std::vector<uint8_t> m_recv_buffer;
};
} // namespace udp_driver
} // namespace drivers
#endif // UDP_DRIVER__UDP_SOCKET_HPP_