//

//  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;

/** The service's full name -- the name, type and domain concatenated together. */

@property (readonly,copy) NSString* fullName;

/** The index of the network interface on which this service was found. */

@property (readonly) uint32_t interfaceIndex;

/** @name Addressing

 *  Getting the IP address of the service

 */

//@{

/** The hostname of the machine providing this service. */

@property (readonly, copy) NSString *hostname;

/** The IP port number of this service on its host. */

@property (readonly) UInt16 port;

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

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

- (MYAddressLookup*) addressLookup;

//@}

/** @name TXT and other DNS records

 */

//@{

/** 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;

/** 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;

//@}

/** @name Protected

 *  Advanced methods that may be overridden by subclasses, but should not be called directly.

 */

//@{

/** Designated initializer. You probably don't want to create MYBonjourService instances yourself,

    but if you subclass you might need to override this initializer. */

- (id) initWithName: (NSString*)serviceName

               type: (NSString*)type

             domain: (NSString*)domain

          interface: (UInt32)interfaceIndex;

/** Called when this service is officially added to its browser's service set.

    You can override this, but be sure to call the superclass method. */

- (void) added;

/** Called when this service is officially removed to its browser's service set.

    You can override this, but be sure to call the superclass method. */

- (void) removed;

/** Called when this service's TXT record changes.

    You can override this, but be sure to call the superclass method. */

- (void) txtRecordChanged;

/** Called when a query started by this service updates.

    You can override this, but be sure to call the superclass method. */

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

//@}

@end