85 lines
2.5 KiB
Objective-C
85 lines
2.5 KiB
Objective-C
/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef GR_MESSAGE_SERVICE_EXAMPLE_H
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#define GR_MESSAGE_SERVICE_EXAMPLE_H
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#include <mysql/udf_registration_types.h>
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/**
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@class GR_message_service_send_example
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An example implementation of a module that uses GR send service.
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*/
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class GR_message_service_send_example {
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public:
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/**
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UDF that will be called to send data to Group Replication send service.
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@return false success, true on failure.
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*/
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static char *udf(UDF_INIT *, UDF_ARGS *args, char *result,
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unsigned long *length, unsigned char *, unsigned char *);
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/**
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UDF initialization procedure.
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@return false success, true on failure.
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*/
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static bool udf_init(UDF_INIT *init_id, UDF_ARGS *args, char *message);
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/**
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Register send method to send service message from GR.
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@return false success, true on failure.
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*/
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bool register_example();
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/**
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Unregister send method, will not allow send service message from GR.
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@return false success, true on failure.
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*/
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bool unregister_example();
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};
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/**
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This function register examples that uses services recv and send of Group
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replication.
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@return false success, true on failure.
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*/
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bool gr_service_message_example_init();
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/**
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This function unregister examples that uses services recv and send of Group
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replication.
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@return false success, true on failure.
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*/
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bool gr_service_message_example_deinit();
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#endif /* GR_MESSAGE_SERVICE_EXAMPLE_H */
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