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diff --git a/common/Reachability.h b/common/Reachability.h
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-/*
- Copyright (c) 2011, Tony Million.
- 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.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) 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.
- */
-
-#import <Foundation/Foundation.h>
-#import <SystemConfiguration/SystemConfiguration.h>
-
-#import <sys/socket.h>
-#import <netinet/in.h>
-#import <netinet6/in6.h>
-#import <arpa/inet.h>
-#import <ifaddrs.h>
-#import <netdb.h>
-
-/**
- * Does ARC support GCD objects?
- * It does if the minimum deployment target is iOS 6+ or Mac OS X 8+
- *
- * @see http://opensource.apple.com/source/libdispatch/libdispatch-228.18/os/object.h
- **/
-#if OS_OBJECT_USE_OBJC
-#define NEEDS_DISPATCH_RETAIN_RELEASE 0
-#else
-#define NEEDS_DISPATCH_RETAIN_RELEASE 1
-#endif
-
-/**
- * Create NS_ENUM macro if it does not exist on the targeted version of iOS or OS X.
- *
- * @see http://nshipster.com/ns_enum-ns_options/
- **/
-#ifndef NS_ENUM
-#define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type
-#endif
-
-extern NSString *const kReachabilityChangedNotification;
-
-typedef NS_ENUM(NSInteger, NetworkStatus) {
- // Apple NetworkStatus Compatible Names.
- NotReachable = 0,
- ReachableViaWiFi = 2,
- ReachableViaWWAN = 1
-};
-
-@class Reachability;
-
-typedef void (^NetworkReachable)(Reachability * reachability);
-typedef void (^NetworkUnreachable)(Reachability * reachability);
-
-@interface Reachability : NSObject
-
-@property (nonatomic, copy) NetworkReachable reachableBlock;
-@property (nonatomic, copy) NetworkUnreachable unreachableBlock;
-
-
-@property (nonatomic, assign) BOOL reachableOnWWAN;
-
-+(Reachability*)reachabilityWithHostname:(NSString*)hostname;
-// This is identical to the function above, but is here to maintain
-//compatibility with Apples original code. (see .m)
-+(Reachability*)reachabilityWithHostName:(NSString*)hostname;
-+(Reachability*)reachabilityForInternetConnection;
-+(Reachability*)reachabilityWithAddress:(const struct sockaddr_in*)hostAddress;
-+(Reachability*)reachabilityForLocalWiFi;
-
--(Reachability *)initWithReachabilityRef:(SCNetworkReachabilityRef)ref;
-
--(BOOL)startNotifier;
--(void)stopNotifier;
-
--(BOOL)isReachable;
--(BOOL)isReachableViaWWAN;
--(BOOL)isReachableViaWiFi;
-
-// WWAN may be available, but not active until a connection has been established.
-// WiFi may require a connection for VPN on Demand.
--(BOOL)isConnectionRequired; // Identical DDG variant.
--(BOOL)connectionRequired; // Apple's routine.
-// Dynamic, on demand connection?
--(BOOL)isConnectionOnDemand;
-// Is user intervention required?
--(BOOL)isInterventionRequired;
-
--(NetworkStatus)currentReachabilityStatus;
--(SCNetworkReachabilityFlags)reachabilityFlags;
--(NSString*)currentReachabilityString;
--(NSString*)currentReachabilityFlags;
-
-@end