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66 lines
1.9 KiB
66 lines
1.9 KiB
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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// urfd -- The universal reflector
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// Copyright © 2023 Thomas A. Early N7TAE
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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 3 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, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include <atomic>
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#include <future>
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#include <iostream>
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#include "Callsign.h"
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#include "Configure.h"
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enum class Eaction { normal, parse, error_only };
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enum class Esource { http, file };
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////////////////////////////////////////////////////////////////////////////////////////
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class CLookup
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{
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public:
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// constructor
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CLookup() : keep_running(true), m_LastLoadTime(0) {}
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void LookupInit();
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void LookupClose();
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// locks
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void Lock(void) { m_Mutex.lock(); }
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void Unlock(void) { m_Mutex.unlock(); }
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bool Utility(Eaction action, Esource source);
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protected:
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std::time_t GetLastModTime();
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virtual void LoadParameters() = 0;
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virtual void ClearContents() = 0;
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void Thread();
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// refresh
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bool LoadContentHttp(std::stringstream &ss);
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bool LoadContentFile(std::stringstream &ss);
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virtual void UpdateContent(std::stringstream &ss, Eaction action) = 0;
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std::mutex m_Mutex;
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ERefreshType m_Type;
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unsigned m_Refresh;
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std::string m_Path, m_Url;
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std::time_t m_LastLoadTime;
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std::atomic<bool> keep_running;
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std::future<void> m_Future;
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};
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