2016-10-23 16:03:56 +00:00
|
|
|
=pod
|
|
|
|
|
|
|
|
=head1 NAME
|
|
|
|
|
|
|
|
DTLS_get_data_mtu - Get maximum data payload size
|
|
|
|
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
|
|
|
|
#include <openssl/ssl.h>
|
|
|
|
|
|
|
|
size_t DTLS_get_data_mtu(const SSL *ssl);
|
|
|
|
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
|
|
|
|
This function obtains the maximum data payload size for the established
|
|
|
|
DTLS connection B<ssl>, based on the DTLS record MTU and the overhead
|
|
|
|
of the DTLS record header, encryption and authentication currently in use.
|
|
|
|
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
|
|
|
|
Returns the maximum data payload size on success, or 0 on failure.
|
|
|
|
|
|
|
|
=head1 HISTORY
|
|
|
|
|
2018-12-09 00:02:36 +00:00
|
|
|
The DTLS_get_data_mtu() function was added in OpenSSL 1.1.1.
|
2016-10-23 16:03:56 +00:00
|
|
|
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
|
|
|
|
Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
|
|
|
|
|
|
Licensed under the OpenSSL license (the "License"). You may not use
|
|
|
|
this file except in compliance with the License. You can obtain a copy
|
|
|
|
in the file LICENSE in the source distribution or at
|
|
|
|
L<https://www.openssl.org/source/license.html>.
|
|
|
|
|
|
|
|
=cut
|