//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.

// urfd -- The universal reflector
// Copyright © 2021 Thomas A. Early N7TAE
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#pragma once

#include <cstdint>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>

#include "IP.h"
#include "Buffer.h"

#define UDP_BUFFER_LENMAX       1024

class CUdpSocket
{
public:
	// constructor
	CUdpSocket();

	// destructor
	~CUdpSocket();

	// open & close
	bool Open(const CIp &Ip);
	void Close(void);
	int  GetSocket(void)
	{
		return m_fd;
	}

	// read
	bool Receive(CBuffer &, CIp &, int);
	bool ReceiveFrom(CBuffer &buf, CIp &ip);

	// write
	void Send(const CBuffer &, const CIp &) const;
	void Send(const char    *, const CIp &) const;
	void Send(const CBuffer &, const CIp &, uint16_t) const;
	void Send(const char    *, const CIp &, uint16_t) const;
	void Send(const u_int8_t *, size_t size, const CIp &) const;

protected:
	// data
	int m_fd;
	CIp m_addr;
};