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 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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 * Please obtain a copy of the License at
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/*
 * Copyright (c) 1980, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)route.h	8.3 (Berkeley) 4/19/94
 * $FreeBSD: src/sys/net/route.h,v 1.36.2.1 2000/08/16 06:14:23 jayanth Exp $
 */


#ifndef AlicloudIPv6Adapter_h
#define AlicloudIPv6Adapter_h
#import <Foundation/Foundation.h>

@interface OSSIPv6Adapter : NSObject

+ (instancetype)getInstance;

/**
 *	@brief	Checks if it's a IPv6-only network. If it's true, it's IPv6-only.
 *
 *	@return return YES for IPv6-only network,otherWise return NO
 */
- (BOOL)isIPv6OnlyNetwork;

/**
 *	@brief	Refresh the IPV6-only check
 *
 *	@return return YES for IPv6-only network,otherWise return NO
 */
- (BOOL)reResolveIPv6OnlyStatus;

/**
 *	@brief	Adapts the IPv4 address into IPv6 format under IPv6-only network.
 *          For example:
                42.156.220.114 -> 64:ff9b::2a9c:dc72
 *	@param 	addr
 *
 *	@return return an IPv6 address
 */
- (NSString *)handleIpv4Address:(NSString *)addr;

/**
 *	@brief	Checks if it's an IPv4 address.
 *
 *	@return return YES while addr is an IPv4 address,otherwise return NO
 */
- (BOOL)isIPv4Address:(NSString *)addr;

/**
 *	@brief	Checks if it's an IPv6 address
 *
 *	@return return YES while addr is an IPv6 address,otherwise return NO
 */
- (BOOL)isIPv6Address:(NSString *)addr;

@end

#endif /* OSSIPv6Adapter_h */