/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2002, 2004, 2006, 2011 Apple Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*! @header DNS Service Discovery (Deprecated Mach-based API)
*
* @discussion Note that this API was deprecated in Mac OS X 10.3, and replaced
* by the portable cross-platform /usr/include/dns_sd.h API.
*/
#ifndef __DNS_SERVICE_DISCOVERY_H
#define __DNS_SERVICE_DISCOVERY_H
#include <mach/mach_types.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/cdefs.h>
#include <netinet/in.h>
#include <AvailabilityMacros.h>
__BEGIN_DECLS
/* Opaque internal data type */
typedef struct _dns_service_discovery_t * dns_service_discovery_ref;
/* possible reply flags values */
enum {
kDNSServiceDiscoveryNoFlags = 0,
kDNSServiceDiscoveryMoreRepliesImmediately = 1 << 0,
};
typedef enum
{
DNSServiceDomainEnumerationReplyAddDomain,
DNSServiceDomainEnumerationReplyAddDomainDefault,
DNSServiceDomainEnumerationReplyRemoveDomain,
} DNSServiceDomainEnumerationReplyResultType;
typedef enum
{
DNSServiceDiscoverReplyFlagsFinished,
DNSServiceDiscoverReplyFlagsMoreComing,
} DNSServiceDiscoveryReplyFlags;
typedef void (*DNSServiceDomainEnumerationReply)(
DNSServiceDomainEnumerationReplyResultType resultType, // One of DNSServiceDomainEnumerationReplyResultType
const char *replyDomain,
DNSServiceDiscoveryReplyFlags flags, // DNS Service Discovery reply flags information
void *context
);
/* possible error code values */
typedef enum
{
kDNSServiceDiscoveryNoError = 0,
} DNSServiceRegistrationReplyErrorType;
typedef void (*DNSServiceRegistrationReply)(
DNSServiceRegistrationReplyErrorType errorCode,
void *context
);
typedef uint32_t DNSRecordReference;
/*!
@function DNSServiceResolver_handleReply
@discussion This function should be called with the Mach message sent
to the port returned by the call to DNSServiceResolverResolve.
The reply message will be interpreted and will result in a
call to the specified callout function.
@param replyMsg The Mach message.
*/
void DNSServiceDiscovery_handleReply(void *replyMsg);
/***************************************************************************/
/* DNS Service Browser */
typedef enum
{
DNSServiceBrowserReplyAddInstance, // Instance of service found
DNSServiceBrowserReplyRemoveInstance // Instance has been removed from network
} DNSServiceBrowserReplyResultType;
typedef void (*DNSServiceBrowserReply)(
DNSServiceBrowserReplyResultType resultType, // One of DNSServiceBrowserReplyResultType
const char *replyName,
const char *replyType,
const char *replyDomain,
DNSServiceDiscoveryReplyFlags flags, // DNS Service Discovery reply flags information
void *context
);
/*!
@function DNSServiceBrowserCreate
@discussion Asynchronously create a DNS Service browser
@param regtype The type of service
@param domain The domain in which to find the service
@param callBack The function to be called when service instances are found or removed
@param context A user specified context which will be passed to the callout function.
@result A dns_registration_t
*/
dns_service_discovery_ref DNSServiceBrowserCreate
(
const char *regtype,
const char *domain,
DNSServiceBrowserReply callBack,
void *context
) AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_3;
/***************************************************************************/
/* Resolver requests */
typedef void (*DNSServiceResolverReply)(
struct sockaddr *interface, // Needed for scoped addresses like link-local
struct sockaddr *address,
const char *txtRecord,
DNSServiceDiscoveryReplyFlags flags, // DNS Service Discovery reply flags information
void *context
);
/*!
@function DNSServiceResolverResolve
@discussion Resolved a named instance of a service to its address, port, and
(optionally) other demultiplexing information contained in the TXT record.
@param name The name of the service instance
@param regtype The type of service
@param domain The domain in which to find the service
@param callBack The DNSServiceResolverReply function to be called when the specified
address has been resolved.
@param context A user specified context which will be passed to the callout function.
@result A dns_registration_t
*/
dns_service_discovery_ref DNSServiceResolverResolve
(
const char *name,
const char *regtype,
const char *domain,
DNSServiceResolverReply callBack,
void *context
) AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_3;
/***************************************************************************/
/* Mach port accessor and deallocation */
/*!
@function DNSServiceDiscoveryMachPort
@discussion Returns the mach port for a dns_service_discovery_ref
@param registration A dns_service_discovery_ref as returned from DNSServiceRegistrationCreate
@result A mach reply port which will be sent messages as appropriate.
These messages should be passed to the DNSServiceDiscovery_handleReply
function. A NULL value indicates that no address was
specified or some other error occurred which prevented the
resolution from being started.
*/
mach_port_t DNSServiceDiscoveryMachPort(dns_service_discovery_ref dnsServiceDiscovery) AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_3;
/*!
@function DNSServiceDiscoveryDeallocate
@discussion Deallocates the DNS Service Discovery type / closes the connection to the server
@param dnsServiceDiscovery A dns_service_discovery_ref as returned from a creation or enumeration call
@result void
*/
void DNSServiceDiscoveryDeallocate(dns_service_discovery_ref dnsServiceDiscovery) AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_3;
__END_DECLS
#endif /* __DNS_SERVICE_DISCOVERY_H */
