Function API_ROUTINE isc_service_attach

src/yvalve/why.cpp:3414–3456

Attach a service through the first subsystem that recognizes it.

// Attach a service through the first subsystem that recognizes it.
ISC_STATUS API_ROUTINE isc_service_attach(ISC_STATUS* userStatus, USHORT serviceLength,
	const TEXT* serviceName, isc_svc_handle* publicHandle, USHORT spbLength, const SCHAR* spb)
{
	StatusVector status(userStatus);
	CheckStatusWrapper statusWrapper(&status);
	YService* service = NULL;

	try
	{
		nullCheck(publicHandle, isc_bad_svc_handle);

		if (!serviceName)
			status_exception::raise(Arg::Gds(isc_service_att_err) << Arg::Gds(isc_svc_name_missing));

		string svcName(serviceName, serviceLength ? serviceLength : fb_strlen(serviceName));

		RefPtr<Dispatcher> dispatcher(FB_NEW Dispatcher);

		dispatcher->setDbCryptCallback(&statusWrapper, TLS_GET(legacyCryptCallback));
		if (status.getState() & IStatus::STATE_ERRORS)
			return status[1];

		service = dispatcher->attachServiceManager(&statusWrapper, svcName.c_str(),
			spbLength, reinterpret_cast<const UCHAR*>(spb));
		if (status.getState() & IStatus::STATE_ERRORS)
			return status[1];

		*publicHandle = service->getHandle();
	}
	catch (const Exception& e)
	{
		if (service)
		{
			StatusVector temp(NULL);
			CheckStatusWrapper tempCheckStatusWrapper(&temp);
			service->detach(&tempCheckStatusWrapper);
		}

		e.stuffException(&statusWrapper);
	}

	return status[1];
}


// Close down a service.