mirror of https://github.com/ShaYmez/xlxd.git
147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
//
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// cprotocol.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 cprotocol_h
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#define cprotocol_h
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#include "cudpsocket.h"
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#include "cpacketstream.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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// DMR defines
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// slot n'
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#define DMR_SLOT1 1
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#define DMR_SLOT2 2
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// call type
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#define DMR_GROUP_CALL 0
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#define DMR_PRIVATE_CALL 1
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// frame type
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#define DMR_FRAMETYPE_VOICE 0
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#define DMR_FRAMETYPE_VOICESYNC 1
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#define DMR_FRAMETYPE_DATA 2
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#define DMR_FRAMETYPE_DATASYNC 3
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// data type
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#define DMR_DT_VOICE_PI_HEADER 0
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#define DMR_DT_VOICE_LC_HEADER 1
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#define DMR_DT_TERMINATOR_WITH_LC 2
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#define DMR_DT_CSBK 3
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#define DMR_DT_DATA_HEADER 6
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#define DMR_DT_RATE_12_DATA 7
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#define DMR_DT_RATE_34_DATA 8
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#define DMR_DT_IDLE 9
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#define DMR_DT_RATE_1_DATA 10
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// CRC masks
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#define DMR_VOICE_LC_HEADER_CRC_MASK 0x96
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#define DMR_TERMINATOR_WITH_LC_CRC_MASK 0x99
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#define DMR_PI_HEADER_CRC_MASK 0x69
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#define DMR_DATA_HEADER_CRC_MASK 0xCC
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#define DMR_CSBK_CRC_MASK 0xA5
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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class CProtocol
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{
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public:
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// constructor
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CProtocol();
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// destructor
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virtual ~CProtocol();
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// initialization
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virtual bool Init(void);
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virtual void Close(void);
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// queue
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CPacketQueue *GetQueue(void) { m_Queue.Lock(); return &m_Queue; }
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void ReleaseQueue(void) { m_Queue.Unlock(); }
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// get
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const CCallsign &GetReflectorCallsign(void)const { return m_ReflectorCallsign; }
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// task
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static void Thread(CProtocol *);
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virtual void Task(void) {};
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protected:
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// packet encoding helpers
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virtual bool EncodeDvPacket(const CPacket &, CBuffer *) const;
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virtual bool EncodeDvHeaderPacket(const CDvHeaderPacket &, CBuffer *) const { return false; }
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virtual bool EncodeDvFramePacket(const CDvFramePacket &, CBuffer *) const { return false; }
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virtual bool EncodeDvLastFramePacket(const CDvLastFramePacket &, CBuffer *) const { return false; }
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// stream helpers
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virtual bool OnDvHeaderPacketIn(CDvHeaderPacket *, const CIp &) { return false; }
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virtual void OnDvFramePacketIn(CDvFramePacket *, const CIp * = NULL);
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virtual void OnDvLastFramePacketIn(CDvLastFramePacket *, const CIp * = NULL);
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// stream handle helpers
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CPacketStream *GetStream(uint16, const CIp * = NULL);
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void CheckStreamsTimeout(void);
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// queue helper
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virtual void HandleQueue(void);
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// keepalive helpers
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virtual void HandleKeepalives(void) {}
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// syntax helper
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bool IsNumber(char) const;
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bool IsLetter(char) const;
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bool IsSpace(char) const;
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// dmr DstId to Module helper
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virtual char DmrDstIdToModule(uint32) const;
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virtual uint32 ModuleToDmrDestId(char) const;
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protected:
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// socket
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CUdpSocket m_Socket;
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// streams
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std::vector<CPacketStream *> m_Streams;
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// queue
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CPacketQueue m_Queue;
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// thread
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bool m_bStopThread;
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std::thread *m_pThread;
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// identity
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CCallsign m_ReflectorCallsign;
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// debug
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CTimePoint m_DebugTimer;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* cprotocol_h */
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