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118 lines
3.6 KiB
118 lines
3.6 KiB
//
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// cimrsprotocol..h
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// xlxd
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 29/10/2019.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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//
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// ----------------------------------------------------------------------------
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// This file is part of xlxd.
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//
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// xlxd 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 3 of the License, or
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// (at your option) any later version.
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//
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// xlxd 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#ifndef cimrsprotocol__h
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#define cimrsprotocol__h
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#include "ctimepoint.h"
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#include "cprotocol.h"
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#include "cdvheaderpacket.h"
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#include "cdvframepacket.h"
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#include "cdvlastframepacket.h"
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//#include "ysfdefines.h"
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//#include "cysffich.h"
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//#include "cwiresxinfo.h"
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//#include "cwiresxcmdhandler.h"
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////////////////////////////////////////////////////////////////////////////////////////
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// define
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// IMRS Module ID
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#define IMRS_MODULE_ID 'B'
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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class CImrsStreamCacheItem
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{
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public:
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CImrsStreamCacheItem() {}
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~CImrsStreamCacheItem() {}
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CDvHeaderPacket m_dvHeader;
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CDvFramePacket m_dvFrames[5];
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//uint8 m_uiSeqId;
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};
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class CImrsProtocol : public CProtocol
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{
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public:
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// constructor
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CImrsProtocol() {};
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// destructor
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virtual ~CImrsProtocol() {};
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// initialization
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bool Init(void);
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void Close(void);
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// task
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void Task(void);
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protected:
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// queue helper
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void HandleQueue(void);
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// keepalive helpers
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void HandleKeepalives(void);
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// stream helpers
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bool OnDvHeaderPacketIn(CDvHeaderPacket *, const CIp &);
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// DV packet decoding helpers
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bool IsValidPingPacket(const CBuffer &);
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bool IsValidConnectPacket(const CBuffer &, CCallsign *, uint32 *);
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bool IsValidDvHeaderPacket(const CIp &, const CBuffer &, CDvHeaderPacket **);
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bool IsValidDvLastFramePacket(const CIp &, const CBuffer &, CDvFramePacket **);
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bool IsValidDvFramePacket(const CIp &, const CBuffer &, CDvFramePacket **);
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//bool IsValidDvLastFramePacket(const CIp &, const CYSFFICH &, const CBuffer &, CDvFramePacket **);
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// DV packet encoding helpers
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void EncodePingPacket(CBuffer *) const;
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void EncodePongPacket(CBuffer *) const;
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bool EncodeDvHeaderPacket(const CDvHeaderPacket &, CBuffer *) const;
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bool EncodeDvPacket(const CDvHeaderPacket &, const CDvFramePacket *, CBuffer *) const;
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bool EncodeDvLastPacket(const CDvHeaderPacket &, const CDvLastFramePacket &, CBuffer *) const;
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// uiStreamId helpers
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uint32 IpToStreamId(const CIp &) const;
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// DG-ID helper
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char DgidToModule(uint8 uiDgid) const;
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uint8 ModuleToDgid(char cModule) const;
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protected:
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// for keep alive
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CTimePoint m_LastKeepaliveTime;
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// for queue header caches
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std::array<CImrsStreamCacheItem, NB_OF_MODULES> m_StreamsCache;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* cimrsprotocol__h */
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