ircDDBGateway/Common/UDPReaderWriter.h
2020-11-16 15:13:57 +00:00

76 lines
2.2 KiB
C++

/*
* Copyright (C) 2009-2011,2013,2018,2020 by Jonathan Naylor G4KLX
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef UDPReaderWriter_H
#define UDPReaderWriter_H
#include <wx/wx.h>
#if !defined(__WINDOWS__)
#include <netdb.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#endif
#if !defined(UDP_SOCKET_MAX)
#define UDP_SOCKET_MAX 1
#endif
enum IPMATCHTYPE {
IMT_ADDRESS_AND_PORT,
IMT_ADDRESS_ONLY
};
class CUDPReaderWriter {
public:
CUDPReaderWriter(const wxString& address, unsigned int port);
CUDPReaderWriter(unsigned int port);
CUDPReaderWriter();
~CUDPReaderWriter();
static int lookup(const wxString& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length);
static int lookup(const wxString& hostName, unsigned int port, sockaddr_storage& address, unsigned int& address_length, struct addrinfo& hints);
static bool match(const sockaddr_storage& addr1, const sockaddr_storage& addr2, IPMATCHTYPE type = IMT_ADDRESS_AND_PORT);
bool open(const sockaddr_storage& addr);
bool open(int family);
bool open();
int read(unsigned char* buffer, unsigned int length, sockaddr_storage& addr, unsigned int& addrLen);
bool write(const unsigned char* buffer, unsigned int length, const sockaddr_storage& addr, unsigned int addrLen);
void close();
unsigned int getPort() const;
private:
wxString m_address;
unsigned short m_port;
sockaddr_storage m_addr;
unsigned int m_addrLen;
int m_fd;
};
#endif