- (void)viewDidLoad
{
    [super viewDidLoad];
	NSNotificationCenter *nc=[NSNotificationCenter defaultCenter];
    [nc addObserver:self selector:@selector(handlerPortSuccess:) name:@"HTTPServer_get_port_success" object:nil];
    [nc addObserver:self selector:@selector(handlerPortFail:) name:@"HTTPServer_get_port_fail" object:nil];
    //........
}

-(void)handlerPortSuccess:(NSNotification *)notification{
    NSDictionary* userInfo=notification.userInfo;
    NSNumber* port=[userInfo valueForKey:@"local_port"];
    NSLog(@"handlerPortSuccess----port:%d",port.unsignedShortValue);
}

-(void)handlerPortFail:(NSNotification *)notification{
    NSLog(@"handlerPortFail-----");
}