Mac OSX discover leaky_broadcast

appDelegate.m

//
//  AppDelegate.m
//  leakyFaucetDesktop
//
//  Created by WozniBob on 12/22/14.
//  Copyright (c) 2014 Bob_Burns. All rights reserved.
//

#import "AppDelegate.h"

#import <IOBluetooth/IOBluetooth.h>

#define BROADCAST_UUID @"0x0046"

@interface AppDelegate ()

@property (weak) IBOutlet NSWindow *window;
@property (nonatomic, strong) CBCentralManager *myCentralManager;
@end

@implementation AppDelegate

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
    NSTimer *t = [NSTimer scheduledTimerWithTimeInterval: 120
                                                  target: self
                                                selector: @selector(doScan:)
                                                userInfo: nil
                                                 repeats: YES];
    NSArray *services = @[[CBUUID UUIDWithString:BROADCAST_UUID]];
    
    _myCentralManager = [[CBCentralManager alloc] initWithDelegate:(id)self queue:nil options:nil];
    
    [_myCentralManager scanForPeripheralsWithServices:services options:nil];
    
}

- (void)doScan:(NSTimer *)t{
    NSLog(@"scanning...");
    NSArray *services = @[[CBUUID UUIDWithString:BROADCAST_UUID]];
    
    [_myCentralManager scanForPeripheralsWithServices:services options:nil];
}

- (void)applicationWillTerminate:(NSNotification *)aNotification {
    // Insert code here to tear down your application
}

- (void)centralManagerDidUpdateState:(CBCentralManager *)central {
    
}

- (void)centralManager:(CBCentralManager *)central
 didDiscoverPeripheral:(CBPeripheral *)peripheral
     advertisementData:(NSDictionary *) advertisementData
                  RSSI:(NSNumber *)RSSI
{
    NSString *localName = [advertisementData objectForKey:
                           CBAdvertisementDataLocalNameKey];
    if ([localName length] > 0) {
        NSLog(@"Found the leak monitor: %@", localName); // found peripheral so stop scanning
        [_myCentralManager stopScan];
    }
    NSDictionary *myADData = [advertisementData objectForKey:CBAdvertisementDataServiceDataKey];
    
    CBUUID *myUID = [CBUUID UUIDWithString:BROADCAST_UUID];
    
    NSData *data = [[NSData alloc] init];
    data = [myADData objectForKey:myUID];
    Byte bytes = 0x4c;
    
    NSData *leakData = [NSData dataWithBytes:&bytes length:sizeof(bytes)];
    NSLog(@"my data:%@", data);
      if ([data isEqualToData:leakData]) {
        NSLog(@"we got a leak!");
    }
    
    NSLog(@"range: %i",[RSSI unsignedIntValue]);
}

@end