mirror of https://github.com/ShaYmez/xlxd.git
145 lines
4.4 KiB
C++
145 lines
4.4 KiB
C++
//
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// cysfprotocol.h
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// xlxd
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 20/05/2018.
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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 cysfprotocol_h
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#define cysfprotocol_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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// Wires-X commands
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#define WIRESX_CMD_UNKNOWN 0
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#define WIRESX_CMD_DX_REQ 1
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#define WIRESX_CMD_ALL_REQ 2
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#define WIRESX_CMD_SEARCH_REQ 3
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#define WIRESX_CMD_CONN_REQ 4
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#define WIRESX_CMD_DISC_REQ 5
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// YSF Module ID
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#define YSF_MODULE_ID 'B'
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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class CYsfStreamCacheItem
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{
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public:
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CYsfStreamCacheItem() {}
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~CYsfStreamCacheItem() {}
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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 CYsfProtocol : public CProtocol
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{
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public:
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// constructor
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CYsfProtocol();
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// destructor
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virtual ~CYsfProtocol() {};
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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 IsValidConnectPacket(const CBuffer &, CCallsign *);
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//bool IsValidDisconnectPacket(const CBuffer &, CCallsign *);
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bool IsValidDvPacket(const CBuffer &, CYSFFICH *);
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bool IsValidDvHeaderPacket(const CIp &, const CYSFFICH &, const CBuffer &, CDvHeaderPacket **, CDvFramePacket **);
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bool IsValidDvFramePacket(const CIp &, const CYSFFICH &, 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 EncodeConnectAckPacket(CBuffer *) const;
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//void EncodeConnectNackPacket(const CCallsign &, char, CBuffer *);
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//void EncodeDisconnectPacket(CBuffer *, CClient *);
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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 &, CBuffer *) const;
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// Wires-X packet decoding helpers
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bool IsValidwirexPacket(const CBuffer &, CYSFFICH *, CCallsign *, int *, int*);
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// server status packet decoding helpers
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bool IsValidServerStatusPacket(const CBuffer &) const;
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uint32 CalcHash(const uint8 *, int) const;
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// server status packet encoding helpers
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bool EncodeServerStatusPacket(CBuffer *) const;
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// uiStreamId helpers
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uint32 IpToStreamId(const CIp &) const;
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// debug
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bool DebugTestDecodePacket(const CBuffer &);
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bool DebugDumpHeaderPacket(const CBuffer &);
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bool DebugDumpDvPacket(const CBuffer &);
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bool DebugDumpLastDvPacket(const CBuffer &);
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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<CYsfStreamCacheItem, NB_OF_MODULES> m_StreamsCache;
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// for wires-x
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CWiresxCmdHandler m_WiresxCmdHandler;
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unsigned char m_seqNo;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* cysfprotocol_h */
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