iOS 개발 로 네트워크 IP 와 랜 IP 주소 가 져 오기

//    IP    IP

        NSString *url = @"http://ip.taobao.com/service/getIpInfo.php?ip=myip";

     JSON   

    {"code":0,
    "data":{
        "country":"  ",
        "country_id":"CN",
        "area":"  ",
        "area_id":"300000",
        "region":"   ",
        "region_id":"310000",
        "city":"   ",
        "city_id":"310100",
        "county":"  ",
        "county_id":"334115",
        "isp":"  ",
        "isp_id":"100227",
        "ip":"126.231.115.34"
    }
}

 
  
 
  
- (void)urlRequestOperation{
 
  
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
 
  
        NSString *URLTmp1 = @"http://1212.ip138.com/ic.asp";
 
  
        NSString *URLTmp = [URLTmp1 stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
 
  
        NSData * resData = [NSData dataWithContentsOfURL:[NSURL URLWithString:URLTmp]];
 
  
        dispatch_async(dispatch_get_main_queue(), ^{
 
  
            if (resData) {
 
  
                //系统自带JSON解析
 
  
                NSStringEncoding gbkEncoding = CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000);
 
  
 //您的IP是：[122.222.122.22] 来自：上海市某某区 某某运营商 
 
  
                NSString *str3 = [[NSString alloc] initWithData:resData encoding:gbkEncoding];
 
  
   }
 
  
        });
 
  
    });
 
  
}
 
  
 
  
 
  
//     IP  
- (NSString *)getIpAddresses{
    NSString *address = @"error";
    struct ifaddrs *interfaces = NULL;
    struct ifaddrs *temp_addr = NULL;
    int success = 0;
    // retrieve the current interfaces - returns 0 on success
    success = getifaddrs(&interfaces);
    if (success == 0)
    {
        // Loop through linked list of interfaces
        temp_addr = interfaces;
        while(temp_addr != NULL)
        {
            if(temp_addr->ifa_addr->sa_family == AF_INET)
            {
                // Check if interface is en0 which is the wifi connection on the iPhone
                if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
                {
                    // Get NSString from C String
                    address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
                }
            }
            temp_addr = temp_addr->ifa_next;
        }
    }
    // Free memory
    freeifaddrs(interfaces);
    return address;
}