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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>NSPrivacyCollectedDataTypes</key>
<array/>
<key>NSPrivacyAccessedAPITypes</key>
<array/>
<key>NSPrivacyTracking</key>
<false/>
<key>NSPrivacyTrackingDomains</key>
<array/>
</dict>
</plist>

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Copyright (c) 2011-2013, 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.

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[![Reference Status](https://www.versioneye.com/objective-c/reachability/reference_badge.svg?style=flat)](https://www.versioneye.com/objective-c/reachability/references)
[![build-status](https://github.com/tonymillion/Reachability/actions/workflows/CI.yml/badge.svg)](https://github.com/tonymillion/Reachability/actions)
# **WARNING** there have been reports of apps being rejected when Reachability is used in a framework. The only solution to this so far is to rename the class.
# Reachability
This is a drop-in replacement for Apple's `Reachability` class. It is ARC-compatible, and it uses the new GCD methods to notify of network interface changes.
In addition to the standard `NSNotification`, it supports the use of blocks for when the network becomes reachable and unreachable.
Finally, you can specify whether a WWAN connection is considered "reachable".
*DO NOT OPEN BUGS UNTIL YOU HAVE TESTED ON DEVICE*
**BEFORE YOU OPEN A BUG ABOUT iOS6/iOS5 build errors, use Tag 3.2 or 3.1 as they support assign types**
## Requirements
Once you have added the `.h/m` files to your project, simply:
* Go to the `Project->TARGETS->Build Phases->Link Binary With Libraries`.
* Press the plus in the lower left of the list.
* Add `SystemConfiguration.framework`.
Boom, you're done.
## Examples
### Block Example
This sample uses blocks to notify when the interface state has changed. The blocks will be called on a **BACKGROUND THREAD**, so you need to dispatch UI updates onto the main thread.
#### In Objective-C
```objc
// Allocate a reachability object
Reachability* reach = [Reachability reachabilityWithHostname:@"www.google.com"];
// Set the blocks
reach.reachableBlock = ^(Reachability*reach)
{
// keep in mind this is called on a background thread
// and if you are updating the UI it needs to happen
// on the main thread, like this:
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"REACHABLE!");
});
};
reach.unreachableBlock = ^(Reachability*reach)
{
NSLog(@"UNREACHABLE!");
};
// Start the notifier, which will cause the reachability object to retain itself!
[reach startNotifier];
```
### In Swift 3
```swift
import Reachability
var reach: Reachability?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
// Allocate a reachability object
self.reach = Reachability.forInternetConnection()
// Set the blocks
self.reach!.reachableBlock = {
(reach: Reachability?) -> Void in
// keep in mind this is called on a background thread
// and if you are updating the UI it needs to happen
// on the main thread, like this:
DispatchQueue.main.async {
print("REACHABLE!")
}
}
self.reach!.unreachableBlock = {
(reach: Reachability?) -> Void in
print("UNREACHABLE!")
}
self.reach!.startNotifier()
return true
}
```
### `NSNotification` Example
This sample will use `NSNotification`s to notify when the interface has changed. They will be delivered on the **MAIN THREAD**, so you *can* do UI updates from within the function.
In addition, it asks the `Reachability` object to consider the WWAN (3G/EDGE/CDMA) as a non-reachable connection (you might use this if you are writing a video streaming app, for example, to save the user's data plan).
#### In Objective-C
```objc
// Allocate a reachability object
Reachability* reach = [Reachability reachabilityWithHostname:@"www.google.com"];
// Tell the reachability that we DON'T want to be reachable on 3G/EDGE/CDMA
reach.reachableOnWWAN = NO;
// Here we set up a NSNotification observer. The Reachability that caused the notification
// is passed in the object parameter
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(reachabilityChanged:)
name:kReachabilityChangedNotification
object:nil];
[reach startNotifier];
```
#### In Swift 3
```swift
import Reachability
var reach: Reachability?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
// Allocate a reachability object
self.reach = Reachability.forInternetConnection()
// Tell the reachability that we DON'T want to be reachable on 3G/EDGE/CDMA
self.reach!.reachableOnWWAN = false
// Here we set up a NSNotification observer. The Reachability that caused the notification
// is passed in the object parameter
NotificationCenter.default.addObserver(
self,
selector: #selector(reachabilityChanged),
name: NSNotification.Name.reachabilityChanged,
object: nil
)
self.reach!.startNotifier()
return true
}
func reachabilityChanged(notification: NSNotification) {
if self.reach!.isReachableViaWiFi() || self.reach!.isReachableViaWWAN() {
print("Service available!!!")
} else {
print("No service available!!!")
}
}
```
## Tell the world
Head over to [Projects using Reachability](https://github.com/tonymillion/Reachability/wiki/Projects-using-Reachability) and add your project for "Maximum Wins!".

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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>
//! Project version number for MacOSReachability.
FOUNDATION_EXPORT double ReachabilityVersionNumber;
//! Project version string for MacOSReachability.
FOUNDATION_EXPORT const unsigned char ReachabilityVersionString[];
/**
* 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);
typedef void (^NetworkReachability)(Reachability * reachability, SCNetworkConnectionFlags flags);
@interface Reachability : NSObject
@property (nonatomic, copy) NetworkReachable reachableBlock;
@property (nonatomic, copy) NetworkUnreachable unreachableBlock;
@property (nonatomic, copy) NetworkReachability reachabilityBlock;
@property (nonatomic, assign) BOOL reachableOnWWAN;
+(instancetype)reachabilityWithHostname:(NSString*)hostname;
// This is identical to the function above, but is here to maintain
//compatibility with Apples original code. (see .m)
+(instancetype)reachabilityWithHostName:(NSString*)hostname;
+(instancetype)reachabilityForInternetConnection;
+(instancetype)reachabilityWithAddress:(void *)hostAddress;
+(instancetype)reachabilityForLocalWiFi;
+(instancetype)reachabilityWithURL:(NSURL*)url;
-(instancetype)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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/*
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 "Reachability.h"
#import <sys/socket.h>
#import <netinet/in.h>
#import <netinet6/in6.h>
#import <arpa/inet.h>
#import <ifaddrs.h>
#import <netdb.h>
NSString *const kReachabilityChangedNotification = @"kReachabilityChangedNotification";
@interface Reachability ()
@property (nonatomic, assign) SCNetworkReachabilityRef reachabilityRef;
@property (nonatomic, strong) dispatch_queue_t reachabilitySerialQueue;
@property (nonatomic, strong) id reachabilityObject;
-(void)reachabilityChanged:(SCNetworkReachabilityFlags)flags;
-(BOOL)isReachableWithFlags:(SCNetworkReachabilityFlags)flags;
@end
static NSString *reachabilityFlags(SCNetworkReachabilityFlags flags)
{
return [NSString stringWithFormat:@"%c%c %c%c%c%c%c%c%c",
#if TARGET_OS_IPHONE
(flags & kSCNetworkReachabilityFlagsIsWWAN) ? 'W' : '-',
#else
'X',
#endif
(flags & kSCNetworkReachabilityFlagsReachable) ? 'R' : '-',
(flags & kSCNetworkReachabilityFlagsConnectionRequired) ? 'c' : '-',
(flags & kSCNetworkReachabilityFlagsTransientConnection) ? 't' : '-',
(flags & kSCNetworkReachabilityFlagsInterventionRequired) ? 'i' : '-',
(flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) ? 'C' : '-',
(flags & kSCNetworkReachabilityFlagsConnectionOnDemand) ? 'D' : '-',
(flags & kSCNetworkReachabilityFlagsIsLocalAddress) ? 'l' : '-',
(flags & kSCNetworkReachabilityFlagsIsDirect) ? 'd' : '-'];
}
// Start listening for reachability notifications on the current run loop
static void TMReachabilityCallback(SCNetworkReachabilityRef target, SCNetworkReachabilityFlags flags, void* info)
{
#pragma unused (target)
Reachability *reachability = ((__bridge Reachability*)info);
// We probably don't need an autoreleasepool here, as GCD docs state each queue has its own autorelease pool,
// but what the heck eh?
@autoreleasepool
{
[reachability reachabilityChanged:flags];
}
}
@implementation Reachability
#pragma mark - Class Constructor Methods
+(instancetype)reachabilityWithHostName:(NSString*)hostname
{
return [Reachability reachabilityWithHostname:hostname];
}
+(instancetype)reachabilityWithHostname:(NSString*)hostname
{
SCNetworkReachabilityRef ref = SCNetworkReachabilityCreateWithName(NULL, [hostname UTF8String]);
if (ref)
{
id reachability = [[self alloc] initWithReachabilityRef:ref];
return reachability;
}
return nil;
}
+(instancetype)reachabilityWithAddress:(void *)hostAddress
{
SCNetworkReachabilityRef ref = SCNetworkReachabilityCreateWithAddress(kCFAllocatorDefault, (const struct sockaddr*)hostAddress);
if (ref)
{
id reachability = [[self alloc] initWithReachabilityRef:ref];
return reachability;
}
return nil;
}
+(instancetype)reachabilityForInternetConnection
{
struct sockaddr_in zeroAddress;
bzero(&zeroAddress, sizeof(zeroAddress));
zeroAddress.sin_len = sizeof(zeroAddress);
zeroAddress.sin_family = AF_INET;
return [self reachabilityWithAddress:&zeroAddress];
}
+(instancetype)reachabilityForLocalWiFi
{
struct sockaddr_in localWifiAddress;
bzero(&localWifiAddress, sizeof(localWifiAddress));
localWifiAddress.sin_len = sizeof(localWifiAddress);
localWifiAddress.sin_family = AF_INET;
// IN_LINKLOCALNETNUM is defined in <netinet/in.h> as 169.254.0.0
localWifiAddress.sin_addr.s_addr = htonl(IN_LINKLOCALNETNUM);
return [self reachabilityWithAddress:&localWifiAddress];
}
+(instancetype)reachabilityWithURL:(NSURL*)url
{
id reachability;
NSString *host = url.host;
BOOL isIpAddress = [self isIpAddress:host];
if (isIpAddress)
{
NSNumber *port = url.port ?: [url.scheme isEqualToString:@"https"] ? @(443) : @(80);
struct sockaddr_in address;
address.sin_len = sizeof(address);
address.sin_family = AF_INET;
address.sin_port = htons([port intValue]);
address.sin_addr.s_addr = inet_addr([host UTF8String]);
reachability = [self reachabilityWithAddress:&address];
}
else
{
reachability = [self reachabilityWithHostname:host];
}
return reachability;
}
+(BOOL)isIpAddress:(NSString*)host
{
struct in_addr pin;
return 1 == inet_aton([host UTF8String], &pin);
}
// Initialization methods
-(instancetype)initWithReachabilityRef:(SCNetworkReachabilityRef)ref
{
self = [super init];
if (self != nil)
{
self.reachableOnWWAN = YES;
self.reachabilityRef = ref;
// We need to create a serial queue.
// We allocate this once for the lifetime of the notifier.
self.reachabilitySerialQueue = dispatch_queue_create("com.tonymillion.reachability", NULL);
}
return self;
}
-(void)dealloc
{
[self stopNotifier];
if(self.reachabilityRef)
{
CFRelease(self.reachabilityRef);
self.reachabilityRef = nil;
}
self.reachableBlock = nil;
self.unreachableBlock = nil;
self.reachabilityBlock = nil;
self.reachabilitySerialQueue = nil;
}
#pragma mark - Notifier Methods
// Notifier
// NOTE: This uses GCD to trigger the blocks - they *WILL NOT* be called on THE MAIN THREAD
// - In other words DO NOT DO ANY UI UPDATES IN THE BLOCKS.
// INSTEAD USE dispatch_async(dispatch_get_main_queue(), ^{UISTUFF}) (or dispatch_sync if you want)
-(BOOL)startNotifier
{
// allow start notifier to be called multiple times
if(self.reachabilityObject && (self.reachabilityObject == self))
{
return YES;
}
SCNetworkReachabilityContext context = { 0, NULL, NULL, NULL, NULL };
context.info = (__bridge void *)self;
if(SCNetworkReachabilitySetCallback(self.reachabilityRef, TMReachabilityCallback, &context))
{
// Set it as our reachability queue, which will retain the queue
if(SCNetworkReachabilitySetDispatchQueue(self.reachabilityRef, self.reachabilitySerialQueue))
{
// this should do a retain on ourself, so as long as we're in notifier mode we shouldn't disappear out from under ourselves
// woah
self.reachabilityObject = self;
return YES;
}
else
{
#ifdef DEBUG
NSLog(@"SCNetworkReachabilitySetDispatchQueue() failed: %s", SCErrorString(SCError()));
#endif
// UH OH - FAILURE - stop any callbacks!
SCNetworkReachabilitySetCallback(self.reachabilityRef, NULL, NULL);
}
}
else
{
#ifdef DEBUG
NSLog(@"SCNetworkReachabilitySetCallback() failed: %s", SCErrorString(SCError()));
#endif
}
// if we get here we fail at the internet
self.reachabilityObject = nil;
return NO;
}
-(void)stopNotifier
{
// First stop, any callbacks!
SCNetworkReachabilitySetCallback(self.reachabilityRef, NULL, NULL);
// Unregister target from the GCD serial dispatch queue.
SCNetworkReachabilitySetDispatchQueue(self.reachabilityRef, NULL);
self.reachabilityObject = nil;
}
#pragma mark - reachability tests
// This is for the case where you flick the airplane mode;
// you end up getting something like this:
//Reachability: WR ct-----
//Reachability: -- -------
//Reachability: WR ct-----
//Reachability: -- -------
// We treat this as 4 UNREACHABLE triggers - really apple should do better than this
#define testcase (kSCNetworkReachabilityFlagsConnectionRequired | kSCNetworkReachabilityFlagsTransientConnection)
-(BOOL)isReachableWithFlags:(SCNetworkReachabilityFlags)flags
{
BOOL connectionUP = YES;
if(!(flags & kSCNetworkReachabilityFlagsReachable))
connectionUP = NO;
if( (flags & testcase) == testcase )
connectionUP = NO;
#if TARGET_OS_IPHONE
if(flags & kSCNetworkReachabilityFlagsIsWWAN)
{
// We're on 3G.
if(!self.reachableOnWWAN)
{
// We don't want to connect when on 3G.
connectionUP = NO;
}
}
#endif
return connectionUP;
}
-(BOOL)isReachable
{
SCNetworkReachabilityFlags flags;
if(!SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
return NO;
return [self isReachableWithFlags:flags];
}
-(BOOL)isReachableViaWWAN
{
#if TARGET_OS_IPHONE
SCNetworkReachabilityFlags flags = 0;
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
{
// Check we're REACHABLE
if(flags & kSCNetworkReachabilityFlagsReachable)
{
// Now, check we're on WWAN
if(flags & kSCNetworkReachabilityFlagsIsWWAN)
{
return YES;
}
}
}
#endif
return NO;
}
-(BOOL)isReachableViaWiFi
{
SCNetworkReachabilityFlags flags = 0;
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
{
// Check we're reachable
if((flags & kSCNetworkReachabilityFlagsReachable))
{
#if TARGET_OS_IPHONE
// Check we're NOT on WWAN
if((flags & kSCNetworkReachabilityFlagsIsWWAN))
{
return NO;
}
#endif
return YES;
}
}
return NO;
}
// WWAN may be available, but not active until a connection has been established.
// WiFi may require a connection for VPN on Demand.
-(BOOL)isConnectionRequired
{
return [self connectionRequired];
}
-(BOOL)connectionRequired
{
SCNetworkReachabilityFlags flags;
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
{
return (flags & kSCNetworkReachabilityFlagsConnectionRequired);
}
return NO;
}
// Dynamic, on demand connection?
-(BOOL)isConnectionOnDemand
{
SCNetworkReachabilityFlags flags;
if (SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
{
return ((flags & kSCNetworkReachabilityFlagsConnectionRequired) &&
(flags & (kSCNetworkReachabilityFlagsConnectionOnTraffic | kSCNetworkReachabilityFlagsConnectionOnDemand)));
}
return NO;
}
// Is user intervention required?
-(BOOL)isInterventionRequired
{
SCNetworkReachabilityFlags flags;
if (SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
{
return ((flags & kSCNetworkReachabilityFlagsConnectionRequired) &&
(flags & kSCNetworkReachabilityFlagsInterventionRequired));
}
return NO;
}
#pragma mark - reachability status stuff
-(NetworkStatus)currentReachabilityStatus
{
if([self isReachable])
{
if([self isReachableViaWiFi])
return ReachableViaWiFi;
#if TARGET_OS_IPHONE
return ReachableViaWWAN;
#endif
}
return NotReachable;
}
-(SCNetworkReachabilityFlags)reachabilityFlags
{
SCNetworkReachabilityFlags flags = 0;
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
{
return flags;
}
return 0;
}
-(NSString*)currentReachabilityString
{
NetworkStatus temp = [self currentReachabilityStatus];
if(temp == ReachableViaWWAN)
{
// Updated for the fact that we have CDMA phones now!
return NSLocalizedString(@"Cellular", @"");
}
if (temp == ReachableViaWiFi)
{
return NSLocalizedString(@"WiFi", @"");
}
return NSLocalizedString(@"No Connection", @"");
}
-(NSString*)currentReachabilityFlags
{
return reachabilityFlags([self reachabilityFlags]);
}
#pragma mark - Callback function calls this method
-(void)reachabilityChanged:(SCNetworkReachabilityFlags)flags
{
if([self isReachableWithFlags:flags])
{
if(self.reachableBlock)
{
self.reachableBlock(self);
}
}
else
{
if(self.unreachableBlock)
{
self.unreachableBlock(self);
}
}
if(self.reachabilityBlock)
{
self.reachabilityBlock(self, flags);
}
// this makes sure the change notification happens on the MAIN THREAD
dispatch_async(dispatch_get_main_queue(), ^{
[[NSNotificationCenter defaultCenter] postNotificationName:kReachabilityChangedNotification
object:self];
});
}
#pragma mark - Debug Description
- (NSString *) description
{
NSString *description = [NSString stringWithFormat:@"<%@: %p (%@)>",
NSStringFromClass([self class]), self, [self currentReachabilityFlags]];
return description;
}
@end