Function CommonEntry

IntelPresentMon/PresentMonService/ServiceMain.cpp:19–64

common entry point whether invoked as service or as app

// common entry point whether invoked as service or as app
int CommonEntry(DWORD argc, LPTSTR* argv, bool asApp)
{
	util::log::IdentificationTable::AddThisProcess("service");
	util::log::IdentificationTable::AddThisThread("main");
	logsetup::LogChannelManager logMan_;
	// parse command line, return with error code from CLI11 if running as app
	if (auto e = clio::Options::Init(argc, argv); e && asApp) {
		return *e;
	}
	// configure windows registry access
	Reg::SetReadonly(asApp);
	// configure logging based on CLI arguments and registry settings
	logsetup::ConfigureLogging(asApp);
	// place middleware dll discovery path into registry
	if (!asApp) {
		char path[MAX_PATH];
		if (GetModuleFileNameA(nullptr, path, (DWORD)std::size(path)) == 0) {
			pmlog_error("Failure to get path to service executable").no_trace().hr();
		}
		else {
			const auto middlewarePath = std::filesystem::path{ path }.parent_path() / "PresentMonAPI2.dll";
			Reg::Get().middlewarePath = middlewarePath.string();
		}
	}

	// annouce versioning etc.
	pmlog_info(std::format("Starting service, build #{} ({}) [{}], logging @{} (log build @{})",
		bid::BuildIdShortHash(), bid::BuildIdDirtyFlag() ? "dirty" : "clean",
		bid::BuildIdTimestamp(),
		log::GetLevelName(log::GlobalPolicy::Get().GetLogLevel()),
		log::GetLevelName(PMLOG_BUILD_LEVEL_)));

	if (asApp) {
		auto& svc = ConsoleDebugMockService::Get();
		svc.Run();
		return svc.GetErrorCode().value_or(0);
	}
	else {
		ConcreteService svc{ serviceName };
		svc.ServiceMain();
		const auto exitCode = svc.GetErrorCode().value_or(0);
		svc.ReportServiceStatus(SERVICE_STOPPED, exitCode, 0);
		// this return code is not actually effectual, but we need to return something
		return exitCode;
	}
}

// callback registered with and called by the Service Control Manager
VOID WINAPI ServiceMainCallback(DWORD argc, LPTSTR* argv)