我正在尝试将一个小数据包从一个设备发送到另一个设备，我的设备 IP 是 192.168.1.59，这是主机，这是我的服务器代码
public class gameServer extends Thread{
/**
* Sets up a server for Android applciation
*/
private static final String TAG = "GameServer";
private DatagramSocket socket;
private int port = 50000;
private InetAddress local = null;
public gameServer( ) throws IOException
{
socket = new DatagramSocket( port );
Log.d(TAG, "Server was setup");
}
private String getLocalIPAddress()
{
try
{
for (Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces(); nis.hasMoreElements();)
{
NetworkInterface ni = nis.nextElement();
Log.v(TAG, "NetworkInterface = " + ni.getDisplayName());
for (Enumeration<InetAddress> ips = ni.getInetAddresses(); ips.hasMoreElements();)
{
InetAddress ip = ips.nextElement();
String s = ip.getHostAddress();
Log.v(TAG, "InetAddress = " + s);
if (!ip.isLoopbackAddress())
{
if(InetAddressUtils.isIPv4Address(s)) return s;
}
}
}
}
catch (SocketException e)
{
Log.e(TAG,"getLocalIPAddress()", e);
}
return null;
}
public void passClient( gameObject clientTemp )
{
}
@Override
public void run()
{
Log.d(TAG, "Ip address used:" + getLocalIPAddress() );
while( true )
{
//Send some data
try
{
local = InetAddress.getByName("127.0.0.1");
}
catch (UnknownHostException e2) {
e2.printStackTrace();
}
String msg = "hello there";
int msgLength = msg.length();
byte[] message = msg.getBytes();
DatagramPacket p = new DatagramPacket( message, msgLength, local, port );
try
{
socket.send( p );
}
catch (IOException e2)
{
Log.d(TAG, "Error with sending");
e2.printStackTrace();
}
}
}
}
这是我的客户
public class gameClient extends Thread {
private static final String TAG = "gameClient";
private gameServer server;
private boolean rdyForPlay = false;
private ArrayList<gameObject> assets = new ArrayList();
private int ID = 0;
private maths cal = new maths();
public gameClient( boolean serverTag )
{
if( serverTag == true)
{
try
{
server = new gameServer();
server.run();
}
catch (IOException e)
{
Log.d(TAG, "Could not start server");
e.printStackTrace();
}
}
else
{
//DELETE!!!
//ONLY FOR TESTING
DatagramSocket socket = null;;
try
{
socket = new DatagramSocket( 50000 );
}
catch (SocketException e1)
{
e1.printStackTrace();
}
byte[] buf = new byte[256];
DatagramPacket packet = new DatagramPacket( buf, buf.length );
try
{
socket.receive( packet );
}
catch (IOException e)
{
Log.d(TAG, "Error with receiving data");
e.printStackTrace();
}
String data = new String( buf, 0, packet.getLength() );
Log.d(TAG, "Data received was :" + data);
}
}
public void sendTouchEvent(float xSet, float ySet)
{
}
@Override
public void run()
{
}
private void updateAssets()
{
}
}
当代码尝试接收数据包时，它只会在 socjet.receive(packet); 上崩溃。任何人都可以看到任何原因吗？
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