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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
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