//

 //  MYBonjourService.h

 //  MYNetwork

 //

 //  Created by Jens Alfke on 1/22/08.

 //  Copyright 2008 Jens Alfke. All rights reserved.

 //

 #import "MYDNSService.h"

 #import "ConcurrentOperation.h"

 @class MYBonjourQuery, MYAddressLookup;

 /** Represents a Bonjour service discovered by a BonjourBrowser. */

 @interface MYBonjourService : MYDNSService 

 {

     @private

     NSString *_name, *_fullName, *_type, *_domain, *_hostname;

     uint32_t _interfaceIndex;

     BOOL _startedResolve;

     UInt16 _port;

     NSDictionary *_txtRecord;

     MYBonjourQuery *_txtQuery;

     MYAddressLookup *_addressLookup;

 }

 /** The service's name. */

 @property (readonly) NSString *name;

 /** The service's type. */

 @property (readonly) NSString *type;

 /** The service's domain. */

 @property (readonly) NSString *domain;

 @property (readonly, copy) NSString *hostname;

 @property (readonly) UInt16 port;

 @property (readonly) uint32_t interfaceIndex;

 @property (readonly,copy) NSString* fullName;

 /** The service's metadata dictionary, from its DNS TXT record */

 @property (readonly,copy) NSDictionary *txtRecord;

 /** A convenience to access a single property from the TXT record. */

 - (NSString*) txtStringForKey: (NSString*)key;

 /** Returns a MYDNSLookup object that resolves the IP address(es) of this service.

     Subsequent calls to this method will always return the same object. */

 - (MYAddressLookup*) addressLookup;

 /** Starts a new MYBonjourQuery for the specified DNS record type of this service.

     @param recordType  The DNS record type, e.g. kDNSServiceType_TXT; see the enum in <dns_sd.h>. */

 - (MYBonjourQuery*) queryForRecord: (UInt16)recordType;

 // Protected methods, for subclass use only:

 // (for subclasses to override, but not call):

 - (id) initWithName: (NSString*)serviceName

                type: (NSString*)type

              domain: (NSString*)domain

           interface: (uint32_t)interfaceIndex;

 - (void) added;

 - (void) removed;

 - (void) txtRecordChanged;

 // Internal:

 - (void) queryDidUpdate: (MYBonjourQuery*)query;

 @end

 @interface MYBonjourResolveOperation : ConcurrentOperation

 {

     MYBonjourService *_service;

     NSSet *_addresses;

 }

 @property (readonly) MYBonjourService *service;

 @property (readonly,retain) NSSet *addresses;

 @end