Function SRVR_enum_attachments

src/remote/server/server.cpp:1386–1454

void SRVR_enum_attachments(ULONG& att_cnt, ULONG& dbs_cnt, ULONG& svc_cnt)
/**************************************
 *
 *	S R V R _ e n u m _ a t t a c h m e n t s
 *
 **************************************
 *
 * Functional description
 *	Queries the service manager to enumerate
 *  active attachments to the server.
 *
 **************************************/
{
	att_cnt = dbs_cnt = svc_cnt = 0;

	// TODO: we need some way to return a number of active services
	// using the service manager. It could be either isc_info_svc_svr_db_info2
	// that adds the third counter, or a completely new information tag.

	DispatcherPtr provider;

	static const UCHAR spb_attach[] =
	{
		isc_spb_version, isc_spb_current_version,
		isc_spb_user_name, 6, 'S', 'Y', 'S', 'D', 'B', 'A'
	};

	LocalStatus ls;
	CheckStatusWrapper status(&ls);
	ServService iface(provider->attachServiceManager(&status, "service_mgr",
					  sizeof(spb_attach), spb_attach));

	if (iface.hasData())
	{
		static const UCHAR spb_query[] = {isc_info_svc_svr_db_info};

		UCHAR buffer[BUFFER_XLARGE];
		iface->query(&status, 0, NULL, sizeof(spb_query), spb_query, sizeof(buffer), buffer);
		const UCHAR* p = buffer;

		if ((!(status.getState() & IStatus::STATE_ERRORS)) && *p++ == isc_info_svc_svr_db_info)
		{
			while (*p != isc_info_flag_end)
			{
				switch (*p++)
				{
				case isc_spb_dbname:
					{
						const USHORT length = (USHORT) gds__vax_integer(p, sizeof(USHORT));
						p += sizeof(USHORT) + length;
					}
					break;
				case isc_spb_num_att:
					att_cnt = (ULONG) gds__vax_integer(p, sizeof(ULONG));
					p += sizeof(ULONG);
					break;
				case isc_spb_num_db:
					dbs_cnt = (ULONG) gds__vax_integer(p, sizeof(ULONG));