当SocketServer断开或发生Wifi网络变化的时候，SocketClient应该如何处理异常。

  PC SocketServer、手机SocketClient

当SocketServer断开或发生Wifi网络变化的时候，SocketClient应该如何处理异常。

private class ReceiveThread extends Thread
{
    private InputStream mInputStream = null;
    private byte[] buf ;  
    private String str = null;
    
    ReceiveThread(Socket s)
    {
        try 
        {
	        //获得输入流
        	this.mInputStream = s.getInputStream();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    @Override
    public void run()
    {
        while(!stop)
        {
            this.buf = new byte[512];
            
            //读取输入的数据(阻塞读)
            try {
                this.mInputStream.read(buf);
            } catch (IOException e1) {
                e1.printStackTrace();
	            Message msg = new Message();
	            msg.what = 2;
	            msg.obj ="断开";
	            //发送消息
	            mHandler.sendMessage(msg);
	            stop = true;
	            mReceiveThread.interrupt();
	            break;
            }catch (Exception e) {   
	            Message msg = new Message();
	            msg.what = 2;
	            msg.obj ="断开";
	            //发送消息
	            mHandler.sendMessage(msg);
	            stop = true;
	            mReceiveThread.interrupt();
            }  
            
            //字符编码转换
            try {
                this.str = new String(this.buf, "GB2312").trim();
            } catch (UnsupportedEncodingException e) {
            	Log.e("通讯异常2", e.toString());
                e.printStackTrace();
            }
            Message msg = new Message();
            msg.what = 1;
            msg.obj = this.buf;
            //发送消息
            mHandler.sendMessage(msg);
        }
    }
}