NSStreams崩溃计划!

Question

所有,

我通过评论,断点等将它运行到这一点.程序在标记的代码处崩溃.

-(void) initNetworkCommunication
{
    CFReadStreamRef readStream;
    CFWriteStreamRef writeStream;
    CFStreamCreatePairWithSocketToHost(NULL, (CFStringRef)@"192.168.17.1", 2004, &readStream, &writeStream);

    inputStream = (NSInputStream *)readStream;
    outputStream = (NSOutputStream *)writeStream;
    [inputStream setDelegate:self];
    [outputStream setDelegate:self];
    [inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
    [outputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];

    [inputStream open];//WHY MUST YOU CRASH HERE
    [outputStream open];//WHY MUST YOU CRASH HERE ALSO!!?!?

    NSLog(@"She be opened, sir!");
}

如果我注释掉这两个,它不会崩溃,但如果我注释掉任何一个它会崩溃(因此它们都会导致程序崩溃).也没有在调试器中发布的信息.它只是将我发送到main.m并告诉我

"线程1:编程接收信号:"EXC_BAD_ACCESS".

我在这里先向您的帮助表示感谢!

编辑:这是我的委托方法,但它甚至没有在日志中显示第二个活动行.

- (void)stream:(NSStream *)theStream handleEvent:(NSStreamEvent)streamEvent {

    NSLog(@"stream event %i", streamEvent); //this doesn't post in the log when stream opened...

    switch (streamEvent) {

        case NSStreamEventOpenCompleted:
            NSLog(@"Stream opened");
            break;
        case NSStreamEventHasBytesAvailable:

            if (theStream == inputStream) {

                uint8_t buffer[1024];
                int len;

                while ([inputStream hasBytesAvailable]) {
                    len = [inputStream read:buffer maxLength:sizeof(buffer)];
                    if (len > 0) {

                        NSString *output = [[NSString alloc] initWithBytes:buffer length:len encoding:NSASCIIStringEncoding];

                        if (nil != output) {

                            NSLog(@"server said: %@", output);
                            //[self messageReceived:output];

                        }
                    }
                }
            }
            break;


        case NSStreamEventErrorOccurred:

            NSLog(@"Can not connect to the host!");
            break;

        case NSStreamEventEndEncountered:

            [theStream close];
            [theStream removeFromRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
            //[theStream release];
            theStream = nil;

            break;
        default:
            NSLog(@"Unknown event");
    }

} 

Answer 1

当我将其放在视图控制器中（而不是单独的类中）时，它工作得很好。