mirror of https://github.com/Icinga/icinga2.git
128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (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 Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef APPLICATION_H
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#define APPLICATION_H
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#include "base/i2-base.h"
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#include "base/threadpool.h"
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#include "base/dynamicobject.h"
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namespace icinga {
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class Component;
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/**
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* Abstract base class for applications.
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*
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* @ingroup base
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*/
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class I2_BASE_API Application : public DynamicObject {
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public:
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DECLARE_PTR_TYPEDEFS(Application);
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~Application(void);
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static Application::Ptr GetInstance(void);
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int Run(void);
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/**
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* Starts the application.
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*
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* @returns The exit code of the application.
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*/
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virtual int Main(void) = 0;
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static int GetArgC(void);
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static void SetArgC(int argc);
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static char **GetArgV(void);
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static void SetArgV(char **argv);
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static void InstallExceptionHandlers(void);
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static void RequestShutdown(void);
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static void RequestRestart(void);
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static void SetDebugging(bool debug);
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static bool IsDebugging(void);
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void UpdatePidFile(const String& filename);
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void ClosePidFile(void);
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static String GetExePath(const String& argv0);
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static String GetPrefixDir(void);
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static void SetPrefixDir(const String& path);
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static String GetLocalStateDir(void);
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static void SetLocalStateDir(const String& path);
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static String GetPkgLibDir(void);
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static void SetPkgLibDir(const String& path);
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static String GetPkgDataDir(void);
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static void SetPkgDataDir(const String& path);
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static String GetStatePath(void);
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static void SetStatePath(const String& path);
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static ThreadPool& GetTP(void);
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protected:
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virtual void Start(void);
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virtual void Stop(void);
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void RunEventLoop(void) const;
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virtual void OnShutdown(void) = 0;
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private:
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static Application *m_Instance; /**< The application instance. */
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static bool m_ShuttingDown; /**< Whether the application is in the process of
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shutting down. */
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static bool m_Restarting;
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static int m_ArgC; /**< The number of command-line arguments. */
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static char **m_ArgV; /**< Command-line arguments. */
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FILE *m_PidFile; /**< The PID file */
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static bool m_Debugging; /**< Whether debugging is enabled. */
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#ifndef _WIN32
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static void SigIntHandler(int signum);
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#else /* _WIN32 */
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static BOOL WINAPI CtrlHandler(DWORD type);
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static LONG WINAPI SEHUnhandledExceptionFilter(PEXCEPTION_POINTERS exi);
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#endif /* _WIN32 */
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static void DisplayBugMessage(void);
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static void SigAbrtHandler(int signum);
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static void ExceptionHandler(void);
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static void TimeWatchThreadProc(void);
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static void NewTxTimerHandler(void);
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static void ShutdownTimerHandler(void);
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};
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}
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#endif /* APPLICATION_H */
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