# Method SSL.Connection()->to_write()

Method to_write

  ``string`|`int` to_write()`

Description

  Extracts data from the packet queues. Returns a string of data to be written, "" if there are no pending packets, 1 of the connection is being closed politely, and -1 if the connection died unexpectedly.

  This function is intended to be called from an i/o write callback.

See also

  query_write_queue_size(), send_streaming_data().