code: public final void setupResend() {
      // First, reset the current write op, or cancel it if we should
      // be authenticating
      Operation op = getCurrentWriteOp();
      if (shouldAuth && op != null) {
        op.cancel();
      } else if (op != null) {
        ByteBuffer buf = op.getBuffer();
        if (buf != null) {
          buf.reset();
        } else {
          getLogger().info("No buffer for current write op, removing");
          removeCurrentWriteOp();
        }
      }
      // Now cancel all the pending read operations. Might be better to
      // to requeue them.
      while (hasReadOp()) {
        op = removeCurrentReadOp();
        if (op != getCurrentWriteOp()) {
          getLogger().warn("Discarding partially completed op: %s", op);
          op.cancel();
        }
      }
  
      while (shouldAuth && hasWriteOp()) {
        op = removeCurrentWriteOp();
        getLogger().warn("Discarding partially completed op: %s", op);
        op.cancel();
      }
  
      getWbuf().clear();
      getRbuf().clear();
      toWrite = 0;
    }
docs: /*
  (non-Javadoc)
  
  @see net.spy.memcached.MemcachedNode#setupResend()