bool receive()
     {
          char buffer[1024];
          int inDataLength=recv(Socket,buffer,sizeof(buffer),0);
          if(buffer[0] != '')
          {
                     std::cout<<"Client: ";
                     std::cout << buffer;
                     sendKey(string(buffer));
          }
          else if (inDataLength == 0) //Properly closed connection
          {
             std::cout<<"Connection lost..rn";
             return false;
          }
          return true;
     }

while ( receive() )
{
      Sleep(1);
}

public void send(String msg)
{
        try {
            out.write( msg.getBytes("UTF8") );
            out.flush();
            Thread.sleep(100);
        } catch (SocketException e) {
            Global.error("Connection error..");
            //e.printStackTrace();
        } catch (UnsupportedEncodingException e) {

        } catch (IOException e) {
            Global.error("Never connected..rn");
        } catch (Exception e)
        { Global.error("Sending failed..rn"); }
    }

int inDataLength=recv(Socket,buffer,sizeof(buffer),0);
if (inDataLength == -1 ) {
    std::cerr << "receive error: " << GetLastError() << std::endl;
    return false;
}
...