Function main

icinga-app/icinga.cpp:923–968

* Entry point for the Icinga application. * * @params argc Number of command line arguments. * @params argv Command line arguments. * @returns The application's exit status. */

* @returns The application's exit status.
*/
int main(int argc, char **argv)
{
#ifndef _WIN32
	String keepFDs = Utility::GetFromEnvironment("ICINGA2_KEEP_FDS");
	if (keepFDs.IsEmpty()) {
#ifdef I2_DEBUG
		Utility::CloseAllFDs({0, 1, 2}, [](int fd) {
			std::cerr << "Closed FD " << fd << " which we inherited from our parent process." << std::endl;
		});
#else /* I2_DEBUG */
		Utility::CloseAllFDs({0, 1, 2});
#endif /* I2_DEBUG */
	}
#endif /* _WIN32 */

	/* must be called before using any other libbase functions */
	Application::InitializeBase();

	/* Set command-line arguments. */
	Application::SetArgC(argc);
	Application::SetArgV(argv);

#ifdef _WIN32
	if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
		return SetupService(true, argc - 2, &argv[2]);
	}

	if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
		return SetupService(false, argc - 2, &argv[2]);
	}

	if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
		SERVICE_TABLE_ENTRY dispatchTable[] = {
			{ "icinga2", ServiceMain },
			{ nullptr, nullptr }
		};

		StartServiceCtrlDispatcher(dispatchTable);
		Application::Exit(EXIT_FAILURE);
	}
#endif /* _WIN32 */

	int rc = Main();

	Application::Exit(rc);
}