ios socket通信的问题

[mmorss]

我用cocaAsySocket 或者其它工具，做socket通信，每次都是socket断开连接时，服务端才能收到ios模拟器发的消息，好像不断开连接消息就堵住了一样，是我的代码有问题吗，还是因为用的模拟器的原因，我用安卓手机做为服务器来接收消息，电脑开着xcode 和android studio

引用

- (void)viewDidLoad {
    //[super viewDidLoad];
    [self getIPAddress:true];
    if([self connectServer:HOST_IP port:HOST_PORT]==1){
       
    }
    UIButton *btn=[self addButton:@"发送" withx:110 withy:130 withWidth:200 withTag:1];
    [self.view addSubview:btn ];
    UIButton *btn1=[self addButton:@"断开" withx:0 withy:60 withWidth:200 withTag:0];
    [self.view addSubview:btn1 ];
    
    UIButton *btn2=[self addButton:@"连接" withx:0 withy:95 withWidth:200 withTag:2];
    [self.view addSubview:btn2 ];
    // 监听读取
}


//事件方法
- (void)handleSingleTap:(UIGestureRecognizer *)gestureRecognizer
{
    //事件处理。
    NSString *str=[NSString stringWithFormat:@"%ld",gestureRecognizer.view.tag];
    NSLog(@"点击了%@",str) ;
    switch (gestureRecognizer.view.tag) {
        case 0:
             [client disconnect];
            break;
        case 1:
             [self sendMsg];
            break;
            
        case 2:
            [self connectServer:HOST_IP port:HOST_PORT];
            break;
        case 3:
            
            break;
            
        default:
            break;
    }
    
}

// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    return YES;
}



- (void)viewDidUnload {
    client = nil;
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}

- (int)connectServer:(NSString *)hostIP port:(int)hostPort
{
    if (client == nil)
    {
        client = [[AsyncSocket alloc] initWithDelegate:self];
        NSError *err = nil;
        //192.168.110.128
        if (![client connectToHost:hostIP onPort:hostPort error:&err])
        {
            NSLog(@"%@ %@", [err code], [err localizedDescription]);
            
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[@"Connection failed to host "
                                                                     stringByAppendingString:hostIP]
                                                            message:[[[NSString alloc]initWithFormat:@"%@",[err code]] stringByAppendingString:[err localizedDescription]]
                                                           delegate:self
                                                  cancelButtonTitle:@"OK"
                                                  otherButtonTitles:nil];
            [alert show];
//            [alert release];
            //client = nil;
            return SRV_CONNECT_FAIL;
        }
        else
        {
            NSLog(@"Conectou!");
            return SRV_CONNECT_SUC;
        }
    }
    else
    {
        [client readDataWithTimeout:-1 tag:0];
        return SRV_CONNECTED;
    }
    
}

- (void)reConnect
{
    int stat = [self connectServer:HOST_IP port:HOST_PORT];
    switch (stat)
    {
        case SRV_CONNECT_SUC:[self showMessage:@"connect success"];break;
        case SRV_CONNECTED:[self showMessage:@"It's connected,don't agian"];break;
        default:break;
    }
}

- (void)sendMsg
{
//    NSString *inputMsgStr = self.inputMsg.text;
    NSString * content = @"ok";
    NSLog(@"%@",content);
    NSData *data = [content dataUsingEncoding:NSISOLatin1StringEncoding];
    [client writeData:data withTimeout:-1 tag:0];
    
    //[data release];
    //[content release];
    //[inputMsgStr release];
    //继续监听读取
    [client readDataWithTimeout:-1 tag:0];
}

#pragma mark -
#pragma mark close Keyboard
- (void)textFieldDoneEditing:(id)sender
{
    [sender resignFirstResponder];
}

- (void)backgroundTouch:(id)sender
{
    [inputMsg resignFirstResponder];
}

#pragma mark socket uitl

- (void)showMessage:(NSString *)msg
{
    UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"Alert!"
                                                    message:msg
                                                   delegate:nil
                                          cancelButtonTitle:@"OK"
                                          otherButtonTitles:nil];
    [alert show];
//    [alert release];
}


#pragma mark socket delegate

- (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port
{
    [client readDataWithTimeout:-1 tag:0];
    NSLog(@"连接成功");
}

- (void)onSocket:(AsyncSocket *)sock willDisconnectWithError:(NSError *)err
{
    NSLog(@"Error");
}

- (void)onSocketDidDisconnect:(AsyncSocket *)sock
{
    NSString *msg = @"Sorry this connect is failure";
    [self showMessage:msg];
//    [msg release];
    client = nil;
       NSLog(@"断开");
}

- (void)onSocketDidSecure:(AsyncSocket *)sock
{
    
}

- (void)onSocket:(AsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
{
    NSString* aStr = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
    NSLog(@"Hava received datas is :%@",aStr);
//    self.outputMsg.text = aStr;
//    [aStr release];
    [client readDataWithTimeout:-1 tag:0];
}

[renwotao2009]

tcpdump抓下包，看调用发送方法时发送没，如果没有，就找原因，是不是缓存了，并没有及时发送

[mmorss]

引用 3 楼 renwotao2009 的回复:

tcpdump抓下包，看调用发送方法时发送没，如果没有，就找原因，是不是缓存了，并没有及时发送

我拿到的包是这样的，点击发送就会有这个包，但是安卓的没有收到，是不是没有发送成功啊

[mmorss]

ios 要加个“\r\n”