Function inet_try_connect

src/remote/inet.cpp:2829–2888

}

static rem_port* inet_try_connect(PACKET* packet,
								  Rdb* rdb,
								  const PathName& file_name,
								  const TEXT* node_name,
								  ClumpletReader& dpb,
								  RefPtr<const Config>* config,
								  const PathName* ref_db_name,
								  int af)
{
/**************************************
 *
 *	i n e t _ t r y _ c o n n e c t
 *
 **************************************
 *
 * Functional description
 *	Given a packet with formatted protocol infomation,
 *	set header information and try the connection.
 *
 *	If a connection is established, return a port block, otherwise
 *	return NULL.
 *
 **************************************/
	P_CNCT* cnct = &packet->p_cnct;
	packet->p_operation = op_connect;
	cnct->p_cnct_operation = 0;
	cnct->p_cnct_cversion = CONNECT_VERSION3;
	cnct->p_cnct_client = ARCHITECTURE;

	const PathName& cnct_file(ref_db_name ? (*ref_db_name) : file_name);
	cnct->p_cnct_file.cstr_length = (ULONG) cnct_file.length();
	cnct->p_cnct_file.cstr_address = reinterpret_cast<const UCHAR*>(cnct_file.c_str());

	// If we can't talk to a server, punt.  Let somebody else generate
	// an error.  status_vector will have the network error info.

	rem_port* port = NULL;
	try
	{
		port = INET_connect(node_name, packet, false, &dpb, config, af);
	}
	catch (const Exception&)
	{
		delete rdb;
		throw;
	}

	// Get response packet from server.

	rdb->rdb_port = port;
	port->port_context = rdb;
	if (!port->receive(packet))
	{
		rdb->rdb_port = NULL;
		delete rdb;
		inet_error(true, port, "receive in try_connect", isc_net_connect_err, INET_ERRNO);
	}