-- Copyright (c) 2015, 2021, Oracle and/or its affiliates.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License, version 2.0,
-- as published by the Free Software Foundation.
--
-- This program is also distributed with certain software (including
-- but not limited to OpenSSL) that is licensed under separate terms,
-- as designated in a particular file or component or in included license
-- documentation.  The authors of MySQL hereby grant you an additional
-- permission to link the program and your derivative works with the
-- separately licensed software that they have included with MySQL.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License, version 2.0, for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

--
-- View: session_ssl_status
--
-- Shows SSL version, cipher and the count of re-used SSL sessions per connection
--
-- mysql> select * from session_ssl_status;
-- +-----------+-------------+--------------------+---------------------+
-- | thread_id | ssl_version | ssl_cipher         | ssl_sessions_reused |
-- +-----------+-------------+--------------------+---------------------+
-- |        26 | TLSv1       | DHE-RSA-AES256-SHA | 0                   |
-- |        27 | TLSv1       | DHE-RSA-AES256-SHA | 0                   |
-- |        28 | TLSv1       | DHE-RSA-AES256-SHA | 0                   |
-- +-----------+-------------+--------------------+---------------------+
-- 3 rows in set (0.00 sec)
--

CREATE OR REPLACE
  ALGORITHM = MERGE
  DEFINER = 'mysql.sys'@'localhost'
  SQL SECURITY INVOKER
VIEW session_ssl_status (
  thread_id,
  ssl_version,
  ssl_cipher,
  ssl_sessions_reused
) AS
SELECT sslver.thread_id, 
       sslver.variable_value ssl_version, 
       sslcip.variable_value ssl_cipher,
       sslreuse.variable_value ssl_sessions_reused
  FROM performance_schema.status_by_thread sslver 
  LEFT JOIN performance_schema.status_by_thread sslcip 
    ON (sslcip.thread_id=sslver.thread_id and sslcip.variable_name='Ssl_cipher')
  LEFT JOIN performance_schema.status_by_thread sslreuse 
    ON (sslreuse.thread_id=sslver.thread_id and sslreuse.variable_name='Ssl_sessions_reused') 
 WHERE sslver.variable_name='Ssl_version';
