Чтение с сокета

+ (void) readAnswer{
    while (isReading) {
        len = [inputStream read:buf maxLength:1024];
        if(len > 0 && len<1024) {
            NSMutableData* data=[[NSMutableData alloc] initWithLength:0];
            [data appendBytes: (const void *)buf length:len];
            NSMutableString* s = [[NSMutableString alloc] initWithData:data encoding:NSUTF8StringEncoding];
        }
    }
}

+ (void)connect{
    CFReadStreamRef readStream;
    CFWriteStreamRef writeStream;
    CFStreamCreatePairWithSocketToHost(kCFAllocatorDefault, (__bridge CFStringRef)address, 5555, &readStream, &writeStream);
    //CFReadStreamSetProperty(readStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
    //CFWriteStreamSetProperty(writeStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
    inputStream = (__bridge NSInputStream *)readStream;
    outputStream = (__bridge NSOutputStream *)writeStream;
    [inputStream setDelegate:self];
    [outputStream setDelegate:self];
    [inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
    [outputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
    [inputStream open];
    [outputStream open];
    isSocketCreate=true;
}

@implementation Socket
NSInputStream *inputStream;
NSOutputStream *outputStream;
NSMutableString *serverMessage;
 
int timeoutMax=200;
int timeout=200;
 
uint8_t buf[1024];
int len = 0;

#0  0x312701cc in CFBasicHashGetBucket ()
#12 0x3129e5d6 in CFReadStreamRead ()