public void acceptConnection(BtConnection connection, boolean server) {
   mutex.writeLock().lock();
   try {
     if (!hasConnection(connection.getRemoteDevice().getBluetoothAddress())
         && connections.size() < 2) {
       ConnectionHandler handler = new ConnectionHandler(connection);
       connections.put(handler.getBtAddress(), handler);
       handler.start();
       routingTable.add(localDevice.getBluetoothAddress(), handler.getBtAddress());
     } else {
       connection.close();
     }
   } catch (IOException e) {
     Log("SynCore.acceptConnection", e.getMessage());
   } finally {
     mutex.writeLock().unlock();
   }
 }