95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2016-2021 Tom Zander <tom@flowee.org>
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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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef APPLICATION_H
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#define APPLICATION_H
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#include "DiskSpaceChecker.h"
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#include <WorkerThreads.h>
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#include <boost/thread.hpp>
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#include <memory>
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namespace Validation {
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class Engine;
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}
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class CTxMemPool;
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#define flApp Application::instance()
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/**
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* An application singleton that manages some application specific data.
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* The Application singleton can be used to have a single place that owns a threadpool
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* which becomes easy to reach from all your classes and thus avoids cross-dependencies.
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* The IoService is lazy-initialized on first call to IoService() and as such you
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* won't have any negative side-effects if the application does not use them (yet).
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*/
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class Application : public WorkerThreads
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{
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public:
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Application();
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~Application();
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/// returns (and optionally creates) an instance
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static Application *instance();
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static int exec();
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static void quit(int rc = 0);
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Validation::Engine* validation();
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CTxMemPool* mempool();
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/**
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* @brief userAgent creates the user-agent string as it is send over the wire.
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* This includes the client name, the version number and any parameters
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* like -uacomments (user-agent-comments)
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*/
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static std::string userAgent();
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/**
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* @returns the name of the client, in this case "Flowee".
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*/
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static const char * clientName();
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/**
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* Wrapper function that allows users to create a thread on our global thread-group.
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*/
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template<typename F>
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static boost::thread* createThread(F threadfunc) {
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return instance()->createNewThread(threadfunc);
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}
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static bool isClosingDown();
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DiskSpaceChecker& diskSpaceChecker();
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protected:
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void init();
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std::unique_ptr<Validation::Engine> m_validationEngine;
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private:
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int m_returnCode;
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std::atomic_bool m_closingDown;
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std::unique_ptr<DiskSpaceChecker> m_diskSpaceChecker;
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};
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#endif
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