Question

嗨我收到图片时遇到问题在最后一次它只是没有收到所有字节，程序不会退出while条件。使用77970字节的图像，这将接收61592个字节，然后什么都不做。它一直困在一边。我不知道该怎么做，谢谢你的帮助。

公共类FileActivity扩展了Activity {

private EditText serverIp, getPort, exT;
private Button connectPhones;
private TextView tv, tvIP;

private Boolean connected = false;

private String serverIpAddress, portStr,ex;

private Socket socket;

private int port, len;

private String filepath;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_file);

    exT = (EditText) findViewById(R.id.editText1);
    tvIP = (TextView) findViewById(R.id.IPtv);
    tv = (TextView) findViewById(R.id.Portatv);
    serverIp = (EditText) findViewById(R.id.server_ip);
    connectPhones = (Button) findViewById(R.id.connect_phones);
    getPort = (EditText) findViewById(R.id.server_port); 
}

public void connectListener(View v)
{
    tv.setVisibility(View.GONE);        
    connectPhones.setVisibility(View.GONE);
    getPort.setVisibility(View.GONE);
    serverIp.setVisibility(View.GONE);
    tvIP.setTextSize(16f);
    tvIP.setText("Connesso");

    exT.setVisibility(View.GONE);


    ex = exT.getText().toString();

    if (!connected) {
        serverIpAddress = serverIp.getText().toString();
        portStr = getPort.getText().toString();
        if (!serverIpAddress.equals("")) {
            Thread cThread = new Thread(new ClientThread());
            cThread.start();
        }
    }
}

public class ClientThread implements Runnable
{
    @Override
    public void run() {
        // TODO Auto-generated method stub
        port = Integer.parseInt(portStr);

        socket = new Socket();

        try {
            InetAddress serverAddr = InetAddress.getByName(serverIpAddress);
            Log.d("ClientActivity", "C: Connessione in corso...");
            socket = new Socket(serverAddr, port);                
            Log.d("ClientActivity", "C: Connesso!");
            connected = true;



            DataInputStream dis;
            try {
                dis = new DataInputStream(socket.getInputStream());
                int bytes;
                byte[] b = new byte[32];
                BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                String l = in.readLine();
                //String line = Integer.toString(l);
                Log.d("PROVA", l);  
                try
                {
                    len = Integer.parseInt(l); Log.d("CLIENT", Integer.toString(len));
                }
                catch (NumberFormatException e)
                {
                    e.printStackTrace();
                }
                byte[] img = new byte[1024];  //1082922
                FileOutputStream fos = new FileOutputStream("/sdcard/" + ex);
                BufferedOutputStream bos = new BufferedOutputStream(fos);

                /*bytes = dis.read(img, 0, img.length);

                bos.write(img, 0, img.length);*/
                int count = 0;
                while ((bytes = dis.read(img)) != -1) {
                    count += bytes;
                    Log.d("CLIENT", Integer.toString(count));
                    Log.d("TEST", Integer.toString(bytes));
                    //Write to file
                    bos.write(img, 0, bytes);
                }
                //bos.flush();
                //bos.close();
                Log.d("TCP", "Save to file");
            } catch(IOException e){
                e.printStackTrace();
            }                

        } catch (Exception e) {
            Log.e("ClientActivity", "C: Errore", e);
            connected = false;
        }
    }

}

 @Override
    protected void onStop() {
        super.onStop();
        if(connected == true)
        {
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}

服务器：

public class FileActivity extends Activity {

private String test;

private FileInputStream fileInputStream;
private BufferedInputStream bufferedInputStream;
private OutputStream outputStream;

private byte [] mybytearray;

private String tmp = null;

private TextView tv;

private File myFile;

private int l;

private String path;

private EditText editText;

private ServerSocket serverSocket;

private Socket client;

public static String SERVERIP = "10.0.2.15";

private final int SERVERPORT = 8080;

private byte [] imgbyte;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_file);

    tv = (TextView) findViewById(R.id.textView1);
    editText = (EditText) findViewById(R.id.editText1);

    SERVERIP = getLocalIpAddress();

    Thread sThread = new Thread(new ServerThread());
    sThread.start();
}

public void sendListener(View v) {

    tmp = editText.getText().toString();

    path = "/sdcard/" + tmp;

    myFile = new File(path);Log.d("SERVER", "WORKS");

    if(myFile.exists())
    {
        l = (int) myFile.length();Log.d("SERVER", "WORKS");

        tv.setText(path + "  Size:" + Integer.toString(l)); 

        tmp = Integer.toString(l);  Log.d("SERVER", "WORKS");

        test = tmp;

        Thread t = new Thread(new sSend());
         t.start();
    }
    else
    {
        tv.setText("Il file non esiste");
    }


}

public class sSend implements Runnable {

    @Override
    public void run() {
        // TODO Auto-generated method stub
        try{
            PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(client.getOutputStream())), true);
            out.println(test);
            //out.close();
            Log.d("SERVER", "WORKS");
            byte[] mybytearray = new byte[1024]; //create a byte array to file
            Log.d("SERVER", "WORKS");
            fileInputStream = new FileInputStream(myFile);
             bufferedInputStream = new BufferedInputStream(fileInputStream);  
             Log.d("SERVER", "WORKS");

             //bufferedInputStream.read(mybytearray, 0, mybytearray.length); //read the file
             Log.d("SERVER", "WORKS");
             try{
                 outputStream = client.getOutputStream();
             } catch(Exception e)
             {
                 Log.d("OUTPUT", "UFFFF");
                 e.printStackTrace();
             }

            Log.d("SERVER", "WORKS");
             int count = 0;
             int size = 0;

             while((count = bufferedInputStream.read(mybytearray, 0 , mybytearray.length)) != -1)
             {
                // count = bufferedInputStream.read(mybytearray, 0 , mybytearray.length);
                 size += count;
                 Log.d("SERVER", "SEND");
                 try{
                     outputStream.write(mybytearray, 0, count);
                 } catch(Exception e) {
                     e.printStackTrace();
                 }

                 Log.d("TEST", Integer.toString(count));
             }
             Log.d("SERVER", "DONE");
             Log.d("SERVER", Integer.toString(size));
        }catch(Exception e){
            e.printStackTrace();
        }

    }

}


public class ServerThread implements Runnable {

    @Override
    public void run() {
        // TODO Auto-generated method stub
        try {
            serverSocket = new ServerSocket(SERVERPORT);
            client = serverSocket.accept();
            //outputStream = client.getOutputStream();

            Log.d("SERVER", "Connesso");
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            Log.d("TEST", "UFFFAAA");
        }           
    }

}

private String getLocalIpAddress() {

    String tmp = "";

    int i = 0;

    try {
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) 
                { 

                    tmp += "IP: " + inetAddress.getHostAddress() + "\n"; 

                }
            }
        }
    } catch (SocketException ex) {
        Log.e("ServerActivity", ex.toString());
    }
    return tmp;
}

@Override
protected void onStop() {
    super.onStop();
    try {
         serverSocket.close();
     } catch (IOException e) {
         e.printStackTrace();
     }
}

}

Answer 1

这看起来像一个转贴。你为什么开始一个新线程？另一个尚未准备好。我们发现了一些问题，你甚至不在这里提到它们。 OP尝试先发送文件大小，然后再发送内容。此外，客户端应该首先读取文件大小，但它是一个完整的混乱。

Android套接字不会接收图像的所有字节

1 个答案: