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138 lines
5.2 KiB
138 lines
5.2 KiB
/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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//
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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2018 by Jonathan Naylor G4KLX
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* Copyright (C) 2022 by Bryan Biedenkapp N2PLL
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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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#if !defined(__NXDN_LC__RTCH_H__)
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#define __NXDN_LC__RTCH_H__
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#include "Defines.h"
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#include "nxdn/lc/PacketInformation.h"
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namespace nxdn
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{
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namespace lc
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Represents link control data for traffic channel NXDN calls.
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// ---------------------------------------------------------------------------
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class HOST_SW_API RTCH {
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public:
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/// <summary>Initializes a new instance of the RTCH class.</summary>
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RTCH();
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/// <summary>Initializes a copy instance of the RTCH class.</summary>
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RTCH(const RTCH& data);
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/// <summary>Finalizes a instance of the RTCH class.</summary>
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~RTCH();
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/// <summary>Equals operator.</summary>
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RTCH& operator=(const RTCH& data);
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/// <summary>Decode layer 3 data.</summary>
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void decode(const uint8_t* data, uint32_t length, uint32_t offset = 0U);
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/// <summary>Encode layer 3 data.</summary>
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void encode(uint8_t* data, uint32_t length, uint32_t offset = 0U);
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/// <summary></summary>
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void reset();
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public:
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/// <summary>Flag indicating verbose log output.</summary>
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__PROPERTY(bool, verbose, Verbose);
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/** Common Data */
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/// <summary>Message Type</summary>
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__PROPERTY(uint8_t, messageType, MessageType);
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/// <summary>Call Type</summary>
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__PROPERTY(uint8_t, callType, CallType);
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/// <summary>Source ID.</summary>
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__PROPERTY(uint16_t, srcId, SrcId);
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/// <summary>Destination ID.</summary>
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__PROPERTY(uint16_t, dstId, DstId);
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/** Common Call Options */
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/// <summary>Flag indicating the emergency bits are set.</summary>
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__PROPERTY(bool, emergency, Emergency);
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/// <summary>Flag indicating that encryption is enabled.</summary>
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__PROPERTY(bool, encrypted, Encrypted);
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/// <summary>Flag indicating priority paging.</summary>
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__PROPERTY(bool, priority, Priority);
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/// <summary>Flag indicating a group/talkgroup operation.</summary>
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__PROPERTY(bool, group, Group);
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/// <summary>Flag indicating a half/full duplex operation.</summary>
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__PROPERTY(bool, duplex, Duplex);
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/// <summary>Transmission mode.</summary>
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__PROPERTY(uint8_t, transmissionMode, TransmissionMode);
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/** Data Call Data */
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/// <summary>Data packet information.</summary>
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__PROPERTY(PacketInformation, packetInfo, PacketInfo);
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/// <summary>Data packet information.</summary>
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__PROPERTY(PacketInformation, rsp, Response);
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/// <summary>Data packet frame number.</summary>
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__PROPERTY(uint8_t, dataFrameNumber, DataFrameNumber);
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/// <summary>Data packet block number.</summary>
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__PROPERTY(uint8_t, dataBlockNumber, DataBlockNumber);
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/** Header Delay Data */
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/// <summary>Delay count.</summary>
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__PROPERTY(uint16_t, delayCount, DelayCount);
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/** Encryption data */
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/// <summary>Encryption algorithm ID.</summary>
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__PROPERTY(uint8_t, algId, AlgId);
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/// <summary>Encryption key ID.</summary>
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__PROPERTY(uint8_t, kId, KId);
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/// <summary>Cause Response.</summary>
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__PROPERTY(uint8_t, causeRsp, CauseResponse);
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private:
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uint8_t* m_data;
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/** Encryption data */
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uint8_t* m_mi;
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/// <summary>Decode link control.</summary>
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bool decodeLC(const uint8_t* data);
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/// <summary>Encode link control.</summary>
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void encodeLC(uint8_t* data);
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/// <summary>Internal helper to copy the class.</summary>
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void copy(const RTCH& data);
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};
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} // namespace lc
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} // namespace nxdn
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#endif // __NXDN_LC__RTCH_H__
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