mirror of https://github.com/Icinga/icinga2.git
161 lines
4.0 KiB
C++
161 lines
4.0 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
|
|
|
|
#ifndef APPLICATION_H
|
|
#define APPLICATION_H
|
|
|
|
#include "base/i2-base.hpp"
|
|
#include "base/application-ti.hpp"
|
|
#include "base/logger.hpp"
|
|
#include "base/configuration.hpp"
|
|
#include <iosfwd>
|
|
|
|
namespace icinga
|
|
{
|
|
|
|
class ThreadPool;
|
|
|
|
/**
|
|
* Abstract base class for applications.
|
|
*
|
|
* @ingroup base
|
|
*/
|
|
class Application : public ObjectImpl<Application> {
|
|
public:
|
|
DECLARE_OBJECT(Application);
|
|
|
|
static boost::signals2::signal<void ()> OnReopenLogs;
|
|
|
|
~Application() override;
|
|
|
|
static void InitializeBase();
|
|
static void UninitializeBase();
|
|
|
|
static Application::Ptr GetInstance();
|
|
|
|
static void Exit(int rc);
|
|
|
|
int Run();
|
|
|
|
/**
|
|
* Starts the application.
|
|
*
|
|
* @returns The exit code of the application.
|
|
*/
|
|
virtual int Main() = 0;
|
|
|
|
static void SetResourceLimits();
|
|
|
|
static int GetArgC();
|
|
static void SetArgC(int argc);
|
|
|
|
static char **GetArgV();
|
|
static void SetArgV(char **argv);
|
|
|
|
static void InstallExceptionHandlers();
|
|
|
|
static void RequestShutdown();
|
|
static void RequestRestart();
|
|
static void RequestReopenLogs();
|
|
|
|
#ifndef _WIN32
|
|
static void SetUmbrellaProcess(pid_t pid);
|
|
#endif /* _WIN32 */
|
|
|
|
static bool IsShuttingDown();
|
|
static bool IsRestarting();
|
|
|
|
static void SetDebuggingSeverity(LogSeverity severity);
|
|
static LogSeverity GetDebuggingSeverity();
|
|
|
|
void UpdatePidFile(const String& filename);
|
|
void UpdatePidFile(const String& filename, pid_t pid);
|
|
void ClosePidFile(bool unlink);
|
|
static pid_t ReadPidFile(const String& filename);
|
|
|
|
static String GetExePath(const String& argv0);
|
|
|
|
#ifdef _WIN32
|
|
static bool IsProcessElevated();
|
|
#endif /* _WIN32 */
|
|
|
|
static int GetDefaultRLimitFiles();
|
|
static int GetDefaultRLimitProcesses();
|
|
static int GetDefaultRLimitStack();
|
|
|
|
static double GetReloadTimeout();
|
|
|
|
static ThreadPool& GetTP();
|
|
|
|
static String GetAppVersion();
|
|
static String GetAppSpecVersion();
|
|
|
|
static String GetAppEnvironment();
|
|
static void SetAppEnvironment(const String& name);
|
|
|
|
static double GetStartTime();
|
|
static void SetStartTime(double ts);
|
|
|
|
static double GetUptime();
|
|
|
|
static bool GetScriptDebuggerEnabled();
|
|
static void SetScriptDebuggerEnabled(bool enabled);
|
|
|
|
static double GetLastReloadFailed();
|
|
static void SetLastReloadFailed(double ts);
|
|
|
|
static void DisplayInfoMessage(std::ostream& os, bool skipVersion = false);
|
|
|
|
protected:
|
|
void OnConfigLoaded() override;
|
|
void Stop(bool runtimeRemoved) override;
|
|
|
|
void RunEventLoop();
|
|
|
|
pid_t StartReloadProcess();
|
|
|
|
virtual void OnShutdown();
|
|
|
|
void ValidateName(const Lazy<String>& lvalue, const ValidationUtils& utils) final;
|
|
|
|
private:
|
|
static Application::Ptr m_Instance; /**< The application instance. */
|
|
|
|
static bool m_ShuttingDown; /**< Whether the application is in the process of shutting down. */
|
|
static bool m_RequestRestart; /**< A restart was requested through SIGHUP */
|
|
static pid_t m_ReloadProcess; /**< The PID of a subprocess doing a reload, only valid when l_Restarting==true */
|
|
static bool m_RequestReopenLogs; /**< Whether we should re-open log files. */
|
|
|
|
#ifndef _WIN32
|
|
static pid_t m_UmbrellaProcess; /**< The PID of the Icinga umbrella process */
|
|
#endif /* _WIN32 */
|
|
|
|
static int m_ArgC; /**< The number of command-line arguments. */
|
|
static char **m_ArgV; /**< Command-line arguments. */
|
|
FILE *m_PidFile = nullptr; /**< The PID file */
|
|
static bool m_Debugging; /**< Whether debugging is enabled. */
|
|
static LogSeverity m_DebuggingSeverity; /**< Whether debugging severity is set. */
|
|
static double m_StartTime;
|
|
static double m_MainTime;
|
|
static bool m_ScriptDebuggerEnabled;
|
|
static double m_LastReloadFailed;
|
|
|
|
#ifdef _WIN32
|
|
static BOOL WINAPI CtrlHandler(DWORD type);
|
|
static LONG WINAPI SEHUnhandledExceptionFilter(PEXCEPTION_POINTERS exi);
|
|
#endif /* _WIN32 */
|
|
|
|
static void DisplayBugMessage(std::ostream& os);
|
|
|
|
static void SigAbrtHandler(int signum);
|
|
static void SigUsr1Handler(int signum);
|
|
static void ExceptionHandler();
|
|
|
|
static String GetCrashReportFilename();
|
|
|
|
static void AttachDebugger(const String& filename, bool interactive);
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* APPLICATION_H */
|