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