MMDVMHost-Private/NXDNKenwoodNetwork.h

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/*
* Copyright (C) 2009-2014,2016,2018,2020 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 NXDNKenwoodNetwork_H
#define NXDNKenwoodNetwork_H
#include "NXDNNetwork.h"
#include "UDPSocket.h"
#include "Timer.h"
#include <cstdint>
#include <string>
#include <random>
class CNXDNKenwoodNetwork : public INXDNNetwork {
public:
CNXDNKenwoodNetwork(const std::string& localAddress, unsigned int localPort, const std::string& gwyAddress, unsigned int gwyPort, bool debug);
virtual ~CNXDNKenwoodNetwork();
virtual bool open();
virtual void enable(bool enabled);
virtual bool write(const unsigned char* data, NXDN_NETWORK_MESSAGE_TYPE type);
virtual bool read(unsigned char* data);
virtual void reset();
virtual void close();
virtual void clock(unsigned int ms);
private:
CUDPSocket m_rtpSocket;
CUDPSocket m_rtcpSocket;
in_addr m_address;
unsigned int m_rtcpPort;
unsigned int m_rtpPort;
bool m_enabled;
bool m_headerSeen;
bool m_seen1;
bool m_seen2;
bool m_seen3;
bool m_seen4;
unsigned char* m_sacch;
uint8_t m_sessionId;
uint16_t m_seqNo;
unsigned int m_ssrc;
bool m_debug;
uint32_t m_startSecs;
uint32_t m_startUSecs;
CTimer m_rtcpTimer;
CTimer m_hangTimer;
unsigned char m_hangType;
unsigned short m_hangSrc;
unsigned short m_hangDst;
std::mt19937 m_random;
bool processIcomVoiceHeader(const unsigned char* data);
bool processIcomVoiceData(const unsigned char* data);
bool processIcomDataHeader(const unsigned char* data);
bool processIcomDataData(const unsigned char* data);
bool processIcomDataTrailer(const unsigned char* data);
bool processKenwoodVoiceHeader(unsigned char* data);
bool processKenwoodVoiceData(unsigned char* data);
bool processKenwoodVoiceLateEntry(unsigned char* data);
bool processKenwoodData(unsigned char* data);
bool writeRTPVoiceHeader(const unsigned char* data);
bool writeRTPVoiceData(const unsigned char* data);
bool writeRTPVoiceTrailer(const unsigned char* data);
bool writeRTPDataHeader(const unsigned char* data);
bool writeRTPDataData(const unsigned char* data);
bool writeRTPDataTrailer(const unsigned char* data);
bool writeRTCPStart();
bool writeRTCPPing();
bool writeRTCPHang(unsigned char type, unsigned short src, unsigned short dst);
bool writeRTCPHang();
unsigned int readRTP(unsigned char* data);
unsigned int readRTCP(unsigned char* data);
unsigned long getTimeStamp() const;
};
#endif