2015-12-29 17:45:47 -05:00
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//
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// cdplusprotocol.h
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// xlxd
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 01/11/2015.
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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 cdplusprotocol_h
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#define cdplusprotocol_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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////////////////////////////////////////////////////////////////////////////////////////
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// define
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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2016-08-17 02:29:15 -04:00
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class CDplusClient;
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2015-12-29 17:45:47 -05:00
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class CDplusProtocol : public CProtocol
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{
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public:
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// constructor
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2016-08-17 02:29:15 -04:00
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CDplusProtocol();
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2015-12-29 17:45:47 -05:00
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// destructor
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virtual ~CDplusProtocol() {};
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// initialization
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bool Init(void);
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// task
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void Task(void);
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protected:
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2016-02-11 12:51:12 -05:00
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// queue helper
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void HandleQueue(void);
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2016-08-17 02:29:15 -04:00
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void SendDvHeader(CDvHeaderPacket *, CDplusClient *);
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2016-02-11 12:51:12 -05:00
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// keepalive helpers
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void HandleKeepalives(void);
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2015-12-29 17:45:47 -05:00
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// stream helpers
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bool OnDvHeaderPacketIn(CDvHeaderPacket *, const CIp &);
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// packet decoding helpers
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bool IsValidConnectPacket(const CBuffer &);
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bool IsValidLoginPacket(const CBuffer &, CCallsign *);
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bool IsValidDisconnectPacket(const CBuffer &);
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bool IsValidKeepAlivePacket(const CBuffer &);
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CDvHeaderPacket *IsValidDvHeaderPacket(const CBuffer &);
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CDvFramePacket *IsValidDvFramePacket(const CBuffer &);
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CDvLastFramePacket *IsValidDvLastFramePacket(const CBuffer &);
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// packet encoding helpers
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void EncodeKeepAlivePacket(CBuffer *);
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void EncodeLoginAckPacket(CBuffer *);
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void EncodeLoginNackPacket(CBuffer *);
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void EncodeDisconnectPacket(CBuffer *);
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bool EncodeDvHeaderPacket(const CDvHeaderPacket &, CBuffer *) const;
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bool EncodeDvFramePacket(const CDvFramePacket &, CBuffer *) const;
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bool EncodeDvLastFramePacket(const CDvLastFramePacket &, CBuffer *) const;
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protected:
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// for keep alive
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CTimePoint m_LastKeepaliveTime;
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2016-08-17 02:29:15 -04:00
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// for queue header caches
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std::array<CDvHeaderPacket, NB_OF_MODULES> m_DvHeadersCache;
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std::array<uint32, NB_OF_MODULES> m_iSeqCounters;
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2015-12-29 17:45:47 -05:00
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};
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* cdplusprotocol_h */
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