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140 lines
5.5 KiB
140 lines
5.5 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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* Copyright (C) 2017-2022 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(__P25_LC__TDULC_H__)
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#define __P25_LC__TDULC_H__
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#include "Defines.h"
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#include "p25/P25Defines.h"
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#include "p25/lc/LC.h"
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#include "p25/lc/TSBK.h"
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#include "p25/SiteData.h"
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#include "edac/RS634717.h"
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#include "lookups/IdenTableLookup.h"
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#include <string>
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namespace p25
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{
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namespace lc
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{
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// ---------------------------------------------------------------------------
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// Class Prototypes
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// ---------------------------------------------------------------------------
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class HOST_SW_API LC;
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class HOST_SW_API TSBK;
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Represents link control data for TDULC packets.
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// ---------------------------------------------------------------------------
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class HOST_SW_API TDULC {
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public:
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/// <summary>Initializes a copy instance of the TDULC class.</summary>
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TDULC(const TDULC& data);
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/// <summary>Initializes a new instance of the TDULC class.</summary>
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TDULC(LC* lc);
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/// <summary>Initializes a new instance of the TDULC class.</summary>
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TDULC();
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/// <summary>Finalizes a instance of the TDULC class.</summary>
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virtual ~TDULC();
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/// <summary>Decode a terminator data unit w/ link control.</summary>
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virtual bool decode(const uint8_t* data) = 0;
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/// <summary>Encode a terminator data unit w/ link control.</summary>
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virtual void encode(uint8_t* data) = 0;
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/// <summary>Sets the flag indicating verbose log output.</summary>
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static void setVerbose(bool verbose) { m_verbose = verbose; }
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/** Local Site data */
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/// <summary>Gets the local site data.</summary>
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static SiteData getSiteData() { return m_siteData; }
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/// <summary>Sets the local site data.</summary>
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static void setSiteData(SiteData siteData) { m_siteData = siteData; }
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public:
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/** Common Data */
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/// <summary>Flag indicating the link control data is protected.</summary>
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__PROTECTED_PROPERTY(bool, protect, Protect);
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/// <summary>Link control opcode.</summary>
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__PROTECTED_PROPERTY(uint8_t, lco, LCO);
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/// <summary>Manufacturer ID.</summary>
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__PROTECTED_PROPERTY(uint8_t, mfId, MFId);
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/// <summary>Source ID.</summary>
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__PROTECTED_PROPERTY(uint32_t, srcId, SrcId);
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/// <summary>Destination ID.</summary>
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__PROTECTED_PROPERTY(uint32_t, dstId, DstId);
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/// <summary>Voice channel number.</summary>
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__PROTECTED_PROPERTY(uint32_t, grpVchNo, GrpVchNo);
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/** Service Options */
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/// <summary>Flag indicating the emergency bits are set.</summary>
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__PROTECTED_PROPERTY(bool, emergency, Emergency);
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/// <summary>Flag indicating that encryption is enabled.</summary>
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__PROTECTED_PROPERTY(bool, encrypted, Encrypted);
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/// <summary>Priority level for the traffic.</summary>
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__PROTECTED_PROPERTY(uint8_t, priority, Priority);
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/// <summary>Flag indicating a group/talkgroup operation.</summary>
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__PROTECTED_PROPERTY(bool, group, Group);
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/** Local Site data */
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/// <summary>Local Site Identity Entry.</summary>
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__PROTECTED_PROPERTY_PLAIN(::lookups::IdenTable, siteIdenEntry, siteIdenEntry);
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protected:
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friend class LC;
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friend class TSBK;
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edac::RS634717 m_rs;
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bool m_implicit;
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uint32_t m_callTimer;
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static bool m_verbose;
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/** Local Site data */
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static SiteData m_siteData;
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/// <summary>Internal helper to convert RS bytes to a 64-bit long value.</summary>
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static ulong64_t toValue(const uint8_t* rs);
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/// <summary>Internal helper to convert a 64-bit long value to RS bytes.</summary>
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static std::unique_ptr<uint8_t[]> fromValue(const ulong64_t rsValue);
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/// <summary>Internal helper to decode terminator data unit w/ link control.</summary>
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bool decode(const uint8_t* data, uint8_t* rs);
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/// <summary>Internal helper to encode terminator data unit w/ link control.</summary>
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void encode(uint8_t* data, const uint8_t* rs);
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__PROTECTED_COPY(TDULC);
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};
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} // namespace lc
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} // namespace p25
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#endif // __P25_LC__TDULC_H__
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