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YSFClients/DGIdGateway/IMRSNetwork.h

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/*
* Copyright (C) 2009-2014,2016,2017,2018,2020 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 IMRSNetwork_H
#define IMRSNetwork_H
#include "DGIdNetwork.h"
#include "YSFDefines.h"
#include "UDPSocket.h"
#include "RingBuffer.h"
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#include "YSFDefines.h"
#include "YSFFICH.h"
#include <cstdint>
#include <vector>
#include <string>
struct IMRSDest {
sockaddr_storage m_addr;
unsigned int m_addrLen;
unsigned int m_dgId;
};
class IMRSDGId {
public:
IMRSDGId() :
m_dgId(0U),
m_name(),
m_seqNo(0U),
m_destinations(),
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m_source(NULL),
m_dest(NULL),
m_debug(false),
m_buffer(1000U, "IMRS Buffer")
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{
m_source = new unsigned char[YSF_CALLSIGN_LENGTH];
m_dest = new unsigned char[YSF_CALLSIGN_LENGTH];
}
~IMRSDGId()
{
delete[] m_source;
delete[] m_dest;
}
unsigned int m_dgId;
std::string m_name;
uint16_t m_seqNo;
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unsigned char* m_source;
unsigned char* m_dest;
std::vector<IMRSDest*> m_destinations;
bool m_debug;
CRingBuffer<unsigned char> m_buffer;
};
class CIMRSNetwork : public CDGIdNetwork {
public:
CIMRSNetwork();
virtual ~CIMRSNetwork();
void addDGId(unsigned int dgId, const std::string& name, const std::vector<IMRSDest*>& destinations, bool debug);
virtual std::string getDesc(unsigned int dgId);
virtual unsigned int getDGId();
virtual bool open();
virtual DGID_STATUS getStatus();
virtual void link();
virtual void write(unsigned int dgId, const unsigned char* data);
virtual unsigned int read(unsigned int dgId, unsigned char* data);
virtual void clock(unsigned int ms);
virtual void unlink();
virtual void close();
private:
CUDPSocket m_socket;
std::vector<IMRSDGId*> m_dgIds;
DGID_STATUS m_state;
IMRSDGId* find(const sockaddr_storage& address) const;
IMRSDGId* find(unsigned int dgId) const;
bool writeHeaderTrailer(IMRSDGId* ptr, CYSFFICH& fich, const unsigned char* data);
bool writeData(IMRSDGId* ptr, CYSFFICH& fich, const unsigned char* data);
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void readHeaderTrailer(IMRSDGId* ptr, CYSFFICH& fich, const unsigned char* data);
void readData(IMRSDGId* ptr, CYSFFICH& fich, const unsigned char* data);
};
#endif