ObjFW  Diff

 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFDNSResourceRecord.h"

#import "OFRunLoop.h"
#import "OFString.h"

OF_ASSUME_NONNULL_BEGIN

#define OF_DNS_RESOLVER_BUFFER_LENGTH 512

	OF_DNS_RESOLVER_ERROR_SERVER_NAME_ERROR,
	/*! The server does not have support for the requested query */
	OF_DNS_RESOLVER_ERROR_SERVER_NOT_IMPLEMENTED,
	/*! The server refused the query */
	OF_DNS_RESOLVER_ERROR_SERVER_REFUSED
} of_dns_resolver_error_t;

typedef OFDictionary OF_GENERIC(OFString *,
    OFArray OF_GENERIC(OFDNSResourceRecord *) *) *of_dns_resolver_records_t;

/*!
 * @protocol OFDNSResolverDelegate OFDNSResolver.h ObjFW/OFDNSResolver.h
 *
 * @brief A delegate for OFDNSResolver.
 */
@protocol OFDNSResolverDelegate <OFObject>
@optional
/*!
 * @brief This method is called when a DNS resolver resolved a domain name.
 *
 * @param resolver The acting resolver
 * @param domainName The fully qualified domain name used to resolve the host
 * @param answerRecords The answer records from the name server, grouped by
 *			domain name
 * @param authorityRecords The authority records from the name server, grouped
 *			   by domain name
 * @param additionalRecords Additional records sent by the name server, grouped
 *			    by domain name
 * @param exception An exception that happened during resolving, or nil on
 *		    success
 */
-	(void)resolver: (OFDNSResolver *)resolver
  didResolveDomainName: (OFString *)domainName
	 answerRecords: (nullable of_dns_resolver_records_t)answerRecords
      authorityRecords: (nullable of_dns_resolver_records_t)authorityRecords
     additionalRecords: (nullable of_dns_resolver_records_t)additionalRecords
	     exception: (nullable id)exception;

/*!
 * @brief This method is called when a DNS resolver resolved a domain name to
 *	  socket addresses.
 *
 * @param resolver The acting resolver