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78 lines
3.2 KiB
78 lines
3.2 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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* Copyright (C) 2023 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(__DMR_AFFILIATION_LOOKUP_H__)
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#define __DMR_AFFILIATION_LOOKUP_H__
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#include "Defines.h"
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#include "lookups/AffiliationLookup.h"
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#include <tuple>
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namespace dmr
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{
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namespace lookups
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Implements a lookup table class that contains DMR slot grant
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// information.
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// ---------------------------------------------------------------------------
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class HOST_SW_API DMRAffiliationLookup : public ::lookups::AffiliationLookup {
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public:
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/// <summary>Initializes a new instance of the DMRAffiliationLookup class.</summary>
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DMRAffiliationLookup(bool verbose);
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/// <summary>Finalizes a instance of the DMRAffiliationLookup class.</summary>
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virtual ~DMRAffiliationLookup();
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/// <summary>Helper to grant a channel.</summary>
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virtual bool grantCh(uint32_t dstId, uint32_t srcId, uint32_t grantTimeout);
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/// <summary>Helper to grant a channel and slot.</summary>
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bool grantChSlot(uint32_t dstId, uint32_t srcId, uint8_t slot, uint32_t grantTimeout);
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/// <summary>Helper to release the channel grant for the destination ID.</summary>
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virtual bool releaseGrant(uint32_t dstId, bool releaseAll);
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/// <summary>Helper to determine if the channel number is busy.</summary>
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virtual bool isChBusy(uint32_t chNo) const;
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/// <summary>Helper to get the slot granted for the given destination ID.</summary>
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uint8_t getGrantedSlot(uint32_t dstId) const;
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/// <summary>Helper to set a slot for the given channel as being the TSCC.</summary>
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void setSlotForChannelTSCC(uint32_t chNo, uint8_t slot);
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/// <summary>Helper to determine the first available slot for given the channel number.</summary>
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uint8_t getAvailableSlotForChannel(uint32_t chNo) const;
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protected:
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std::unordered_map<uint32_t, std::tuple<uint32_t, uint8_t>> m_grantChSlotTable;
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uint32_t m_tsccChNo;
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uint8_t m_tsccSlot;
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};
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} // namespace lookups
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} // namespace dmr
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#endif // __DMR_AFFILIATION_LOOKUP_H__
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