//
//  cudpsocket.h
//  xlxd
//
//  Created by Jean-Luc Deltombe (LX3JL) on 31/10/2015.
//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
//    This file is part of xlxd.
//
//    xlxd 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.
//
//    xlxd 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 Foobar.  If not, see <http://www.gnu.org/licenses/>. 
// ----------------------------------------------------------------------------

#ifndef cudpsocket_h
#define cudpsocket_h

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

#include "cip.h"
#include "cbuffer.h"

////////////////////////////////////////////////////////////////////////////////////////
// define

#define UDP_BUFFER_LENMAX       1024
#define UDP_SOCKET_MAX          2


////////////////////////////////////////////////////////////////////////////////////////
// class

class CUdpSocket
{
public:
    // constructor
    CUdpSocket();
    
    // destructor
    ~CUdpSocket();
    
    // open & close
    bool Open(uint16, int = AF_UNSPEC);
    void Close(void);
    int  GetSocket(const CIp &);
    
    // read
    int Receive(CBuffer *, CIp *, int, int * = NULL);
    
    // write
    int Send(const CBuffer &, const CIp &);
    int Send(const CBuffer &, const CIp &, uint16);
    int Send(const char *, const CIp &);
    int Send(const char *, const CIp &, uint16);
    
protected:
    // data
    int                 m_Socket[UDP_SOCKET_MAX];
    CIp                 m_Ip[UDP_SOCKET_MAX];
    unsigned int        m_Counter;
};

////////////////////////////////////////////////////////////////////////////////////////
#endif /* cudpsocket_h */