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89 lines
2.9 KiB
89 lines
2.9 KiB
/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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//
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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2009-2011,2013,2015,2016 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(__UDP_SOCKET_H__)
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#define __UDP_SOCKET_H__
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#include "Defines.h"
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#include <string>
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#if !defined(_WIN32) && !defined(_WIN64)
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#include <netdb.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#else
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#include <winsock.h>
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#endif
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namespace network
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// This class implements low-level routines to communicate over a UDP
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// network socket.
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// ---------------------------------------------------------------------------
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class HOST_SW_API UDPSocket {
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public:
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/// <summary>Initializes a new instance of the UDPSocket class.</summary>
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UDPSocket(const std::string& address, uint32_t port = 0U);
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/// <summary>Initializes a new instance of the UDPSocket class.</summary>
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UDPSocket(uint32_t port = 0U);
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/// <summary>Finalizes a instance of the UDPSocket class.</summary>
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~UDPSocket();
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/// <summary>Opens UDP socket connection.</summary>
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bool open();
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/// <summary>Read data from the UDP socket.</summary>
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int read(uint8_t* buffer, uint32_t length, in_addr& address, uint32_t& port);
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/// <summary>Write data to the UDP socket.</summary>
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bool write(const uint8_t* buffer, uint32_t length, const in_addr& address, uint32_t port);
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/// <summary>Closes the UDP socket connection.</summary>
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void close();
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/// <summary>Helper to lookup a hostname and resolve it to an IP address.</summary>
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static in_addr lookup(const std::string& hostName);
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private:
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std::string m_address;
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uint16_t m_port;
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int m_fd;
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};
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} // namespace Net
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#endif // __UDP_SOCKET_H__
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