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/* Copyright (c) 2020, 2025, 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 designed to work 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 either included with
the program or referenced in the documentation.
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 */
#ifndef RPL_ASYNC_CONN_FAILOVER_ADD_SOURCE_UDF_H
#define RPL_ASYNC_CONN_FAILOVER_ADD_SOURCE_UDF_H
#include "sql/udf_service_impl.h"
#include "sql/udf_service_util.h"
class Rpl_async_conn_failover_add_source : public Udf_service_impl {
private:
Udf_charset_service m_charset_service;
static constexpr const char *m_udf_name =
"asynchronous_connection_failover_add_source";
bool m_initialized{false};
public:
Rpl_async_conn_failover_add_source() = default;
~Rpl_async_conn_failover_add_source() override = default;
/**
Initialize variables, acquires the mysql_service_mysql_udf_metadata from the
registry service and register the Asynchronous Connection Failover's UDFs.
If there is an error registering any UDF, all installed UDFs are
unregistered.
@retval true if there was an error
@retval false if all UDFs were registered
*/
bool init() override;
/**
Release the udf_metadata service.
@retval false Success
@retval true Failure. service could not be released
*/
bool deinit();
/**
Add source network configuration details
@param[in] init_id UDF_INIT structure
@param[in] args UDF_ARGS structure containing argument details
@param[out] result error message
@param[out] length error message length
@param[out] is_null if result is null
@param[in,out] error error code
@return error message
*/
static char *add_source(UDF_INIT *init_id, UDF_ARGS *args, char *result,
unsigned long *length, unsigned char *is_null,
unsigned char *error);
/**
Initialize and verifies UDF's arguments. Also sets argument and result
charset.
@param[in] init_id UDF_INIT structure
@param[in] args UDF_ARGS structure containing argument details
@param[out] message error message
@return True if error, false otherwise.
*/
static bool add_source_init(UDF_INIT *init_id, UDF_ARGS *args, char *message);
/**
Deinitialize variables initialized during init function.
@param[in] init_id UDF_INIT structure
*/
static void add_source_deinit(UDF_INIT *init_id);
};
#endif /* RPL_ASYNC_CONN_FAILOVER_ADD_SOURCE_UDF_H */
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