ObjFW  Diff

 *
 * @param host The host to resolve
 * @param port The port for the resulting address
 * @param target The target on which to call the selector once the host has been
 *		 resolved
 * @param selector The selector to call on the target. The signature must be
 *		   `void (OFString *host, uint16_t port,
 *		   of_udp_socket_address_t address, OFException *exception)`.
 *		   of_udp_socket_address_t address, id context,
 *		   OFException *exception)`.
 */
+ (void)asyncResolveAddressForHost: (OFString *)host
			      port: (uint16_t)port
			    target: (id)target
			  selector: (SEL)selector;
			  selector: (SEL)selector
			   context: (nullable id)context;

# ifdef OF_HAVE_BLOCKS
/*!
 * @brief Asynchronously resolves the specified host and creates an address for
 *	  the host / port pair.
 *
 * @param host The host to resolve

 *		 datagram has been received. If the method returns true, it
 *		 will be called again with the same buffer and maximum length
 *		 when more datagrams have been received. If you want the next
 *		 method in the queue to handle the datagram received next, you
 *		 need to return false from the method.
 * @param selector The selector to call on the target. The signature must be
 *		   `bool (OFUDPSocket *socket, void *buffer, size_t length,
 *		   of_udp_socket_address_t, OFException *exception)`.
 *		   of_udp_socket_address_t, id context,
 *		   OFException *exception)`.
 */
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
			target: (id)target
		      selector: (SEL)selector;
		      selector: (SEL)selector
		       context: (nullable id)context;

#ifdef OF_HAVE_BLOCKS
/*!
 * @brief Asynchronously receives a datagram and stores it into the specified
 *	  buffer.
 *
 * If the buffer is too small, the datagram is truncated.