Method attachSvc

src/remote/client/interface.cpp:7024–7085

IService* RProvider::attachSvc(CheckStatusWrapper* status, const char* service,
	unsigned int spbLength, const unsigned char* spb, bool loopback)
{
/**************************************
 *
 *	g d s _ s e r v i c e _ a t t a c h
 *
 **************************************
 *
 * Functional description
 *	Connect to a Firebird service.
 *
 **************************************/
	try
	{
		reset(status);

		PathName node_name, expanded_name(service);

		ClumpletWriter newSpb(ClumpletReader::spbList, MAX_DPB_SIZE, spb, spbLength);
		const bool user_verification = get_new_dpb(newSpb, spbParam, loopback);

		ClntAuthBlock cBlock(NULL, &newSpb, &spbParam);
		unsigned flags = 0;

		if (user_verification)
			flags |= ANALYZE_USER_VFY;

		if (loopback)
			flags |= ANALYZE_LOOPBACK;

		flags |= ANALYZE_EMP_NAME;

		PathName refDbName;
		if (newSpb.find(isc_spb_expected_db))
			newSpb.getPath(refDbName);

		rem_port* port = analyze(cBlock, expanded_name, flags, newSpb, spbParam, node_name, &refDbName, cryptCallback);

		RefMutexGuard portGuard(*port->port_sync, FB_FUNCTION);
		Rdb* rdb = port->port_context;

		// The client may have set a parameter for dummy_packet_interval.  Add that to the
		// the SPB so the server can pay attention to it.  Note: allocation code must
		// ensure sufficient space has been added.

		add_other_params(port, newSpb, spbParam);

		IntlSpb intl;
		if (!init(status, cBlock, port, op_service_attach, expanded_name, newSpb, intl, cryptCallback))
			return NULL;

		IService* s = FB_NEW Service(rdb);
		s->addRef();
		return s;
	}
	catch (const Exception& ex)
	{