ObjFW  Diff

#import "OFArray.h"
#import "OFData.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

OFString *
of_dns_class_to_string(of_dns_class_t DNSClass)
{
	switch (DNSClass) {
	case OF_DNS_CLASS_IN:
		return @"IN";
	case OF_DNS_CLASS_ANY:
		return @"any";
	default:
		return [OFString stringWithFormat: @"%u", DNSClass];
	}
}

OFString *
of_dns_record_type_to_string(of_dns_record_type_t recordType)
{
	switch (recordType) {
	case OF_DNS_RECORD_TYPE_A:
		return @"A";
	case OF_DNS_RECORD_TYPE_NS:
		return @"NS";
	case OF_DNS_RECORD_TYPE_CNAME:
		return @"CNAME";
	case OF_DNS_RECORD_TYPE_SOA:
		return @"SOA";
	case OF_DNS_RECORD_TYPE_PTR:
		return @"PTR";
	case OF_DNS_RECORD_TYPE_HINFO:
		return @"HINFO";
	case OF_DNS_RECORD_TYPE_MX:
		return @"MX";
	case OF_DNS_RECORD_TYPE_TXT:
		return @"TXT";
	case OF_DNS_RECORD_TYPE_RP:
		return @"RP";
	case OF_DNS_RECORD_TYPE_AAAA:
		return @"AAAA";
	case OF_DNS_RECORD_TYPE_SRV:
		return @"SRV";
	case OF_DNS_RECORD_TYPE_ALL:
		return @"all";
	default:
		return [OFString stringWithFormat: @"%u", recordType];
	}
}


of_dns_class_t of_dns_class_parse(OFString *string)
{
	void *pool = objc_autoreleasePoolPush();
	of_dns_class_t DNSClass;

	string = string.uppercaseString;

	if ([string isEqual: @"IN"])
		DNSClass = OF_DNS_CLASS_IN;
	else {
		@try {
			DNSClass = (of_dns_class_t)
			    [string unsignedLongLongValueWithBase: 0];
		} @catch (OFInvalidFormatException *e) {
			@throw [OFInvalidArgumentException exception];
		}
	}

	objc_autoreleasePoolPop(pool);

	return DNSClass;
}


of_dns_record_type_t of_dns_record_type_parse(OFString *string)
{
	void *pool = objc_autoreleasePoolPush();
	of_dns_record_type_t recordType;

	string = string.uppercaseString;

	if ([string isEqual: @"A"])
		recordType = OF_DNS_RECORD_TYPE_A;
	else if ([string isEqual: @"NS"])
		recordType = OF_DNS_RECORD_TYPE_NS;
	else if ([string isEqual: @"CNAME"])
		recordType = OF_DNS_RECORD_TYPE_CNAME;
	else if ([string isEqual: @"SOA"])
		recordType = OF_DNS_RECORD_TYPE_SOA;
	else if ([string isEqual: @"PTR"])
		recordType = OF_DNS_RECORD_TYPE_PTR;
	else if ([string isEqual: @"HINFO"])
		recordType = OF_DNS_RECORD_TYPE_HINFO;
	else if ([string isEqual: @"MX"])
		recordType = OF_DNS_RECORD_TYPE_MX;
	else if ([string isEqual: @"TXT"])
		recordType = OF_DNS_RECORD_TYPE_TXT;
	else if ([string isEqual: @"RP"])
		recordType = OF_DNS_RECORD_TYPE_RP;
	else if ([string isEqual: @"AAAA"])
		recordType = OF_DNS_RECORD_TYPE_AAAA;
	else if ([string isEqual: @"SRV"])
		recordType = OF_DNS_RECORD_TYPE_SRV;
	else if ([string isEqual: @"ALL"])
		recordType = OF_DNS_RECORD_TYPE_ALL;
	else {
		@try {
			recordType = (of_dns_record_type_t)
			    [string unsignedLongLongValueWithBase: 0];
		} @catch (OFInvalidFormatException *e) {
			@throw [OFInvalidArgumentException exception];
		}
	}

	objc_autoreleasePoolPop(pool);

	return recordType;
}

@implementation OFDNSResourceRecord
@synthesize name = _name, DNSClass = _DNSClass, recordType = _recordType;
@synthesize TTL = _TTL;

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		  recordType: (of_dns_record_type_t)recordType
			 TTL: (uint32_t)TTL
{
	self = [super init];

	@try {
		_name = [name copy];
		_DNSClass = DNSClass;

	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tType = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass),
	    of_dns_record_type_to_string(_recordType), _TTL];
}
@end

@implementation OFADNSResourceRecord
- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		  recordType: (of_dns_record_type_t)recordType
			 TTL: (uint32_t)TTL
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithName: (OFString *)name
		     address: (const of_socket_address_t *)address
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: OF_DNS_CLASS_IN
			recordType: OF_DNS_RECORD_TYPE_A
			       TTL: TTL];

	_address = *address;

	return self;
}

- (const of_socket_address_t *)address
{
	return &_address;
}

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

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

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

	if (!of_socket_address_equal(&record->_address, &_address))
		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, of_socket_address_hash(&_address));

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tAddress = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name,
	    of_socket_address_ip_string(&_address, NULL), _TTL];
}
@end

@implementation OFAAAADNSResourceRecord
- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		  recordType: (of_dns_record_type_t)recordType
			 TTL: (uint32_t)TTL
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithName: (OFString *)name
		     address: (const of_socket_address_t *)address
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: OF_DNS_CLASS_IN
			recordType: OF_DNS_RECORD_TYPE_AAAA
			       TTL: TTL];

	_address = *address;

	return self;
}

- (const of_socket_address_t *)address
{
	return &_address;
}

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

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

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

	if (!of_socket_address_equal(&record->_address, &_address))
		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, of_socket_address_hash(&_address));

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tAddress = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name,
	    of_socket_address_ip_string(&_address, NULL), _TTL];
}
@end

@implementation OFCNAMEDNSResourceRecord
@synthesize alias = _alias;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		       alias: (OFString *)alias
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_CNAME
			       TTL: TTL];

	@try {
		_alias = [alias copy];
	} @catch (id e) {
		[self release];
		@throw e;

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _alias.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tAlias = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass), _alias,
	    _TTL];
}
@end

@implementation OFHINFODNSResourceRecord
@synthesize CPU = _CPU, OS = _OS;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
			 CPU: (OFString *)CPU
			  OS: (OFString *)OS
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_HINFO
			       TTL: TTL];

	@try {
		_CPU = [CPU copy];
		_OS = [OS copy];
	} @catch (id e) {
		[self release];

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _CPU.hash);
	OF_HASH_ADD_HASH(hash, _OS.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tCPU = %@\n"
	    @"\tOS = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass), _CPU, _OS,
	    _TTL];
}
@end

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

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

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

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

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD(hash, _preference >> 8);
	OF_HASH_ADD(hash, _preference);
	OF_HASH_ADD_HASH(hash, _mailExchange.hash);

	OF_HASH_FINALIZE(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, of_dns_class_to_string(_DNSClass),
	    _preference, _mailExchange, _TTL];
}
@end

@implementation OFNSDNSResourceRecord
@synthesize authoritativeHost = _authoritativeHost;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
	   authoritativeHost: (OFString *)authoritativeHost
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_NS
			       TTL: TTL];

	@try {
		_authoritativeHost = [authoritativeHost copy];
	} @catch (id e) {
		[self release];
		@throw e;

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _authoritativeHost.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tAuthoritative Host = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass),
	    _authoritativeHost, _TTL];
}
@end

@implementation OFPTRDNSResourceRecord
@synthesize domainName = _domainName;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		  domainName: (OFString *)domainName
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_PTR
			       TTL: TTL];

	@try {
		_domainName = [domainName copy];
	} @catch (id e) {
		[self release];
		@throw e;

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _domainName.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tDomain Name = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass),
	    _domainName, _TTL];
}
@end

@implementation OFRPDNSResourceRecord
@synthesize mailbox = _mailbox, TXTDomainName = _TXTDomainName;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		     mailbox: (OFString *)mailbox
	       TXTDomainName: (OFString *)TXTDomainName
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_RP
			       TTL: TTL];

	@try {
		_mailbox = [mailbox copy];
		_TXTDomainName = [TXTDomainName copy];
	} @catch (id e) {
		[self release];

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _mailbox.hash);
	OF_HASH_ADD_HASH(hash, _TXTDomainName.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tMailbox = %@\n"
	    @"\tTXT Domain Name = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass), _mailbox,
	    _TXTDomainName, _TTL];
}
@end

@implementation OFSOADNSResourceRecord
@synthesize primaryNameServer = _primaryNameServer;
@synthesize responsiblePerson = _responsiblePerson;
@synthesize serialNumber = _serialNumber, refreshInterval = _refreshInterval;
@synthesize retryInterval = _retryInterval;
@synthesize expirationInterval = _expirationInterval, minTTL = _minTTL;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
	   primaryNameServer: (OFString *)primaryNameServer
	   responsiblePerson: (OFString *)responsiblePerson
		serialNumber: (uint32_t)serialNumber
	     refreshInterval: (uint32_t)refreshInterval
	       retryInterval: (uint32_t)retryInterval
	  expirationInterval: (uint32_t)expirationInterval
		      minTTL: (uint32_t)minTTL
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_SOA
			       TTL: TTL];

	@try {
		_primaryNameServer = [primaryNameServer copy];
		_responsiblePerson = [responsiblePerson copy];
		_serialNumber = serialNumber;
		_refreshInterval = refreshInterval;

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _primaryNameServer.hash);
	OF_HASH_ADD_HASH(hash, _responsiblePerson.hash);
	OF_HASH_ADD(hash, _serialNumber >> 24);
	OF_HASH_ADD(hash, _serialNumber >> 16);
	OF_HASH_ADD(hash, _serialNumber >> 8);
	OF_HASH_ADD(hash, _serialNumber);
	OF_HASH_ADD(hash, _refreshInterval >> 24);
	OF_HASH_ADD(hash, _refreshInterval >> 16);
	OF_HASH_ADD(hash, _refreshInterval >> 8);
	OF_HASH_ADD(hash, _refreshInterval);
	OF_HASH_ADD(hash, _retryInterval >> 24);
	OF_HASH_ADD(hash, _retryInterval >> 16);
	OF_HASH_ADD(hash, _retryInterval >> 8);
	OF_HASH_ADD(hash, _retryInterval);
	OF_HASH_ADD(hash, _expirationInterval >> 24);
	OF_HASH_ADD(hash, _expirationInterval >> 16);
	OF_HASH_ADD(hash, _expirationInterval >> 8);
	OF_HASH_ADD(hash, _expirationInterval);
	OF_HASH_ADD(hash, _minTTL >> 24);
	OF_HASH_ADD(hash, _minTTL >> 16);
	OF_HASH_ADD(hash, _minTTL >> 8);
	OF_HASH_ADD(hash, _minTTL);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tPrimary Name Server = %@\n"
	    @"\tResponsible Person = %@\n"
	    @"\tSerial Number = %" PRIu32 "\n"
	    @"\tRefresh Interval = %" PRIu32 "\n"
	    @"\tRetry Interval = %" PRIu32 "\n"
	    @"\tExpiration Interval = %" PRIu32 "\n"
	    @"\tMinimum TTL = %" PRIu32 "\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass),
	    _primaryNameServer, _responsiblePerson, _serialNumber,
	    _refreshInterval, _retryInterval, _expirationInterval, _minTTL,
	    _TTL];
}
@end

@implementation OFSRVDNSResourceRecord
@synthesize priority = _priority, weight = _weight, target = _target;
@synthesize port = _port;

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

- (instancetype)initWithName: (OFString *)name
		    priority: (uint16_t)priority
		      weight: (uint16_t)weight
		      target: (OFString *)target
			port: (uint16_t)port
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: OF_DNS_CLASS_IN
			recordType: OF_DNS_RECORD_TYPE_SRV
			       TTL: TTL];

	@try {
		_priority = priority;
		_weight = weight;
		_target = [target copy];
		_port = port;

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD(hash, _priority >> 8);
	OF_HASH_ADD(hash, _priority);
	OF_HASH_ADD(hash, _weight >> 8);
	OF_HASH_ADD(hash, _weight);
	OF_HASH_ADD_HASH(hash, _target.hash);
	OF_HASH_ADD(hash, _port >> 8);
	OF_HASH_ADD(hash, _port);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:

}
@end

@implementation OFTXTDNSResourceRecord
@synthesize textStrings = _textStrings;

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

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		 textStrings: (OFArray OF_GENERIC(OFData *) *)textStrings
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_TXT
			       TTL: TTL];

	@try {
		_textStrings = [textStrings copy];
	} @catch (id e) {
		[self release];
		@throw e;

		return false;

	return true;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _textStrings.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	void *pool = objc_autoreleasePoolPush();

	ret = [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tText strings = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass), text,
	    _TTL];

	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
@end