Method attach

src/remote/client/interface.cpp:1203–1266

}

IAttachment* RProvider::attach(CheckStatusWrapper* status, const char* filename, unsigned int dpb_length,
	const unsigned char* dpb, bool loopback)
{
/**************************************
 *
 *	g d s _ a t t a c h _ d a t a b a s e
 *
 **************************************
 *
 * Functional description
 *	Connect to an old, grungy database, corrupted by user data.
 *
 **************************************/
	try
	{
		reset(status);

		ClumpletWriter newDpb(ClumpletReader::dpbList, MAX_DPB_SIZE, dpb, dpb_length);
		unsigned flags = ANALYZE_MOUNTS;

		if (get_new_dpb(newDpb, dpbParam, loopback))
			flags |= ANALYZE_USER_VFY;

		if (loopback)
			flags |= ANALYZE_LOOPBACK;

		PathName expanded_name(filename);
		resolveAlias(filename, expanded_name, nullptr);

		ClntAuthBlock cBlock(&expanded_name, &newDpb, &dpbParam);
		PathName node_name;
		rem_port* port = analyze(cBlock, expanded_name, flags, newDpb, dpbParam, node_name, NULL, cryptCallback);

		if (!port)
		{
			Arg::Gds(isc_unavailable).copyTo(status);
			return NULL;
		}

		RefMutexGuard portGuard(*port->port_sync, FB_FUNCTION);

		// The client may have set a parameter for dummy_packet_interval.  Add that to the
		// the DPB so the server can pay attention to it.

		add_other_params(port, newDpb, dpbParam);
		add_working_directory(newDpb, node_name);

		IntlDpb intl;
		HANDSHAKE_DEBUG(fprintf(stderr, "Cli: call init for DB='%s'\n", expanded_name.c_str()));
		if (!init(status, cBlock, port, op_attach, expanded_name, newDpb, intl, cryptCallback))
			return NULL;

		Attachment* att = FB_NEW Attachment(port->port_context, filename);
		att->addRef();
		att->setParamsFromDPB(newDpb);

		return att;
	}