Singleton - Reachability.m

//
//  CRReachability.m
//  ChloeRoses
//
//  Created by Emal Saifi [DAN-PARIS] on 13/08/13.
//  Copyright (c) 2013 Emal Saifi [DAN-PARIS]. All rights reserved.
//

#import "CRReachability.h"

static CRReachability *sharedMyCRReachability= nil;

@implementation CRReachability
@synthesize reach = _reach;
@synthesize isConnectionReachable = _isConnectionReachable;
@synthesize delegate = _delegate;

#pragma mark Singleton Methods
+ (id)sharedManager {
    @synchronized(self) {
        if(sharedMyCRReachability == nil)
            sharedMyCRReachability = [[super allocWithZone:NULL] init];
    }
    return sharedMyCRReachability;
}
+ (id)allocWithZone:(NSZone *)zone {
    return [[self sharedManager] retain];
}
- (id)copyWithZone:(NSZone *)zone {
    return self;
}
- (id)retain {
    return self;
}
- (unsigned)retainCount {
    return UINT_MAX; //denotes an object that cannot be released
}
- (oneway void)release {
    // never release
}
- (id)autorelease {
    return self;
}
- (id)init {
    if (self = [super init]) {

        [self reachability];
    }
    return self;
}

-(void)reachability{

    self.reach = [Reachability reachabilityWithHostname:@"www.google.com"];

    self.reach.reachableBlock = ^(Reachability * reachability)
    {
        dispatch_async(dispatch_get_main_queue(), ^{
            NSLog(@"Block Says Reachable");
            self.isConnectionReachable = YES;

            if([self.delegate respondsToSelector:@selector(crReachability:getConnectionReachable:)])
                [self.delegate crReachability:self getConnectionReachable:self.isConnectionReachable];
        });
    };

    self.reach.unreachableBlock = ^(Reachability * reachability)
    {
        dispatch_async(dispatch_get_main_queue(), ^{

            NSLog(@"Block Says Unreachable");
            self.isConnectionReachable = NO;

            if([self.delegate respondsToSelector:@selector(crReachability:getConnectionReachable:)])
                [self.delegate crReachability:self getConnectionReachable:self.isConnectionReachable];
        });
    };


}

- (void)startReachability {

    NSLog(@"startReachability");
    [self.reach startNotifier];
}

- (void)stopReachability {

    if( [self.reach isReachable] == YES ) {
        NSLog(@"stopReachability");
        [self.reach stopNotifier];
    }


}


- (void)dealloc {
    // Should never be called, but just here for clarity really.
    [_reach release];
    [_delegate release];
    [super dealloc];
}

@end