callsigndelaycache.h

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// SPDX-FileCopyrightText: Copyright (C) 2019 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
 
#ifndef SWIFT_CORE_AFV_AUDIO_CALLSIGNDELAYCACHE_H
#define SWIFT_CORE_AFV_AUDIO_CALLSIGNDELAYCACHE_H
 
#include <QHash>
#include <QString>
 
namespace swift::core::afv::audio
{
    class CallsignDelayCache
    {
    public:
        void initialise(const QString &callsign);
 
        int get(const QString &callsign);
 
        void underflow(const QString &callsign);
 
        void success(const QString &callsign);
 
        void increaseDelayMs(const QString &callsign);
        void decreaseDelayMs(const QString &callsign);
 
        static CallsignDelayCache &instance();
 
    private:
        CallsignDelayCache() = default;
 
        static constexpr int delayDefault = 60;
        static constexpr int delayMin = 40;
        static constexpr int delayIncrement = 20;
        static constexpr int delayMax = 300;
 
        QHash<QString, int> m_delayCache;
        QHash<QString, int> m_successfulTransmissionsCache;
    };
 
} // namespace swift::core::afv::audio
 
#endif // SWIFT_CORE_AFV_AUDIO_CALLSIGNDELAYCACHE_H