ZFReachabilityManager.h
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//
// ZFReachabilityManager.h
// ZFPlayer
//
// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import <Foundation/Foundation.h>
#if !TARGET_OS_WATCH
#import <SystemConfiguration/SystemConfiguration.h>
typedef NS_ENUM(NSInteger, ZFReachabilityStatus) {
ZFReachabilityStatusUnknown = -1,
ZFReachabilityStatusNotReachable = 0,
ZFReachabilityStatusReachableViaWiFi = 1,
ZFReachabilityStatusReachableVia2G = 2,
ZFReachabilityStatusReachableVia3G = 3,
ZFReachabilityStatusReachableVia4G = 4,
};
NS_ASSUME_NONNULL_BEGIN
/**
`ZFReachabilityManager` monitors the reachability of domains, and addresses for both WWAN and WiFi network interfaces.
Reachability can be used to determine background information about why a network operation failed, or to trigger a network operation retrying when a connection is established. It should not be used to prevent a user from initiating a network request, as it's possible that an initial request may be required to establish reachability.
See Apple's Reachability Sample Code ( https://developer.apple.com/library/ios/samplecode/reachability/ )
@warning Instances of `AFNetworkReachabilityManager` must be started with `-startMonitoring` before reachability status can be determined.
*/
@interface ZFReachabilityManager : NSObject
/**
The current network reachability status.
*/
@property (readonly, nonatomic, assign) ZFReachabilityStatus networkReachabilityStatus;
/**
Whether or not the network is currently reachable.
*/
@property (readonly, nonatomic, assign, getter = isReachable) BOOL reachable;
/**
Whether or not the network is currently reachable via WWAN.
*/
@property (readonly, nonatomic, assign, getter = isReachableViaWWAN) BOOL reachableViaWWAN;
/**
Whether or not the network is currently reachable via WiFi.
*/
@property (readonly, nonatomic, assign, getter = isReachableViaWiFi) BOOL reachableViaWiFi;
///---------------------
/// @name Initialization
///---------------------
/**
Returns the shared network reachability manager.
*/
+ (instancetype)sharedManager;
/**
Creates and returns a network reachability manager with the default socket address.
@return An initialized network reachability manager, actively monitoring the default socket address.
*/
+ (instancetype)manager;
/**
Creates and returns a network reachability manager for the specified domain.
@param domain The domain used to evaluate network reachability.
@return An initialized network reachability manager, actively monitoring the specified domain.
*/
+ (instancetype)managerForDomain:(NSString *)domain;
/**
Creates and returns a network reachability manager for the socket address.
@param address The socket address (`sockaddr_in6`) used to evaluate network reachability.
@return An initialized network reachability manager, actively monitoring the specified socket address.
*/
+ (instancetype)managerForAddress:(const void *)address;
/**
Initializes an instance of a network reachability manager from the specified reachability object.
@param reachability The reachability object to monitor.
@return An initialized network reachability manager, actively monitoring the specified reachability.
*/
- (instancetype)initWithReachability:(SCNetworkReachabilityRef)reachability NS_DESIGNATED_INITIALIZER;
///--------------------------------------------------
/// @name Starting & Stopping Reachability Monitoring
///--------------------------------------------------
/**
Starts monitoring for changes in network reachability status.
*/
- (void)startMonitoring;
/**
Stops monitoring for changes in network reachability status.
*/
- (void)stopMonitoring;
///-------------------------------------------------
/// @name Getting Localized Reachability Description
///-------------------------------------------------
/**
Returns a localized string representation of the current network reachability status.
*/
- (NSString *)localizedNetworkReachabilityStatusString;
///---------------------------------------------------
/// @name Setting Network Reachability Change Callback
///---------------------------------------------------
/**
Sets a callback to be executed when the network availability of the `baseURL` host changes.
@param block A block object to be executed when the network availability of the `baseURL` host changes.. This block has no return value and takes a single argument which represents the various reachability states from the device to the `baseURL`.
*/
- (void)setReachabilityStatusChangeBlock:(nullable void (^)(ZFReachabilityStatus status))block;
@end
///--------------------
/// @name Notifications
///--------------------
FOUNDATION_EXPORT NSString * const ZFReachabilityDidChangeNotification;
FOUNDATION_EXPORT NSString * const ZFReachabilityNotificationStatusItem;
///--------------------
/// @name Functions
///--------------------
/**
Returns a localized string representation of an `ZFReachabilityStatus` value.
*/
FOUNDATION_EXPORT NSString * ZFStringFromNetworkReachabilityStatus(ZFReachabilityStatus status);
NS_ASSUME_NONNULL_END
#endif