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/*
* Copyright (c) 2001, 2002, 2004, 2005, 2008, 2012, 2015 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifndef _SCDYNAMICSTORECOPYDHCPINFO_H
#define _SCDYNAMICSTORECOPYDHCPINFO_H
#include <Availability.h>
#include <sys/cdefs.h>
#include <CoreFoundation/CoreFoundation.h>
#include <SystemConfiguration/SCDynamicStore.h>
CF_IMPLICIT_BRIDGING_ENABLED
CF_ASSUME_NONNULL_BEGIN
/*!
@header SCDynamicStoreCopyDHCPInfo
@discussion The functions of the SCDynamicStoreCopyDHCPInfo API
provide access to information returned by the DHCP or
BOOTP server.
*/
__BEGIN_DECLS
/*!
@function SCDynamicStoreCopyDHCPInfo
@discussion Copies the DHCP information for the requested serviceID,
or the primary service if serviceID == NULL.
@param store An SCDynamicStoreRef representing the dynamic store session
that should be used for communication with the server.
If NULL, a temporary session will be used.
@param serviceID A CFStringRef containing the requested service.
If NULL, returns information for the primary service.
@result Returns a dictionary containing DHCP information if successful;
NULL otherwise.
Use the DHCPInfoGetOption function to retrieve
individual options from the returned dictionary.
A non-NULL return value must be released using CFRelease().
*/
CFDictionaryRef __nullable
SCDynamicStoreCopyDHCPInfo (SCDynamicStoreRef __nullable store,
CFStringRef __nullable serviceID) __OSX_AVAILABLE_STARTING(__MAC_10_1,__IPHONE_NA);
/*!
@function DHCPInfoGetOptionData
@discussion Returns a non-NULL CFDataRef containing the DHCP
option data, if present.
@param info The non-NULL DHCP information dictionary returned by
calling SCDynamicStoreCopyDHCPInfo.
@param code The DHCP option code (see RFC 2132) to return
data for.
@result Returns a non-NULL CFDataRef containing the option data;
NULL if the requested option data is not present.
The return value must NOT be released.
*/
CFDataRef __nullable
DHCPInfoGetOptionData (CFDictionaryRef info,
UInt8 code) __OSX_AVAILABLE_STARTING(__MAC_10_1,__IPHONE_NA);
/*!
@function DHCPInfoGetLeaseStartTime
@discussion Returns a CFDateRef corresponding to the lease start time,
if present.
@param info The non-NULL DHCP information dictionary returned by
calling SCDynamicStoreCopyDHCPInfo.
@result Returns a non-NULL CFDateRef if lease start time information is
present; NULL if the information is not present or if the
configuration method is not DHCP.
The return value must NOT be released.
*/
CFDateRef __nullable
DHCPInfoGetLeaseStartTime (CFDictionaryRef info) __OSX_AVAILABLE_STARTING(__MAC_10_1,__IPHONE_NA);
/*!
@function DHCPInfoGetLeaseExpirationTime
@discussion Returns a CFDateRef corresponding to the lease expiration time,
if present.
@param info The non-NULL DHCP information dictionary returned by
calling SCDynamicStoreCopyDHCPInfo.
@result Returns a non-NULL CFDateRef if the DHCP lease has an expiration;
NULL if the lease is infinite i.e. has no expiration, or the
configuration method is not DHCP. An infinite lease can be determined
by a non-NULL lease start time (see DHCPInfoGetLeaseStartTime above).
The return value must NOT be released.
*/
CFDateRef __nullable
DHCPInfoGetLeaseExpirationTime (CFDictionaryRef info) __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_NA);
__END_DECLS
CF_ASSUME_NONNULL_END
CF_IMPLICIT_BRIDGING_DISABLED
#endif /* _SCDYNAMICSTORECOPYDHCPINFO_H */