ObjFW  OFMXDNSResourceRecord.m at [918c9d077a]

File src/OFMXDNSResourceRecord.m artifact dbe0185c73 part of check-in 918c9d077a

/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#include "config.h"

#import "OFMXDNSResourceRecord.h"

@implementation OFMXDNSResourceRecord
@synthesize preference = _preference, mailExchange = _mailExchange;

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (OFDNSClass)DNSClass
		  recordType: (OFDNSRecordType)recordType
			 TTL: (uint32_t)TTL
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (OFDNSClass)DNSClass
		  preference: (uint16_t)preference
		mailExchange: (OFString *)mailExchange
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OFDNSRecordTypeMX
			       TTL: TTL];

	@try {
		_preference = preference;
		_mailExchange = [mailExchange copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_mailExchange release];

	[super dealloc];
}

- (bool)isEqual: (id)object
{
	OFMXDNSResourceRecord *record;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFMXDNSResourceRecord class]])
		return false;

	record = object;

	if (record->_name != _name && ![record->_name isEqual: _name])
		return false;

	if (record->_DNSClass != _DNSClass)
		return false;

	if (record->_recordType != _recordType)
		return false;

	if (record->_preference != _preference)
		return false;

	if (record->_mailExchange != _mailExchange &&
	    ![record->_mailExchange isEqual: _mailExchange])
		return false;

	return true;
}

- (unsigned long)hash
{
	unsigned long hash;

	OFHashInit(&hash);

	OFHashAddHash(&hash, _name.hash);
	OFHashAddByte(&hash, _DNSClass >> 8);
	OFHashAddByte(&hash, _DNSClass);
	OFHashAddByte(&hash, _recordType >> 8);
	OFHashAddByte(&hash, _recordType);
	OFHashAddByte(&hash, _preference >> 8);
	OFHashAddByte(&hash, _preference);
	OFHashAddHash(&hash, _mailExchange.hash);

	OFHashFinalize(&hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tPreference = %" PRIu16 "\n"
	    @"\tMail Exchange = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, OFDNSClassName(_DNSClass), _preference,
	    _mailExchange, _TTL];
}
@end