4f01ff1955
The filter example uses the C++ template which helps new filter creation by showing the minimal implementation required for a filter.
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#pragma once
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/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2020-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include <maxscale/cppdefs.hh>
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#include <maxscale/filter.hh>
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#include "examplefiltersession.hh"
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class ExampleFilter : public maxscale::Filter<ExampleFilter, ExampleFilterSession>
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{
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// Prevent copy-constructor and assignment operator usage
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ExampleFilter(const ExampleFilter&);
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ExampleFilter& operator = (const ExampleFilter&);
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public:
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~ExampleFilter();
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// Creates a new filter instance
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static ExampleFilter* create(const char* zName, char** pzOptions, MXS_CONFIG_PARAMETER* ppParams);
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// Creates a new session for this filter
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ExampleFilterSession* newSession(MXS_SESSION* pSession);
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// Print diagnostics to a DCB
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void diagnostics(DCB* pDcb) const;
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// Returns JSON form diagnostic data
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json_t* diagnostics_json() const;
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// Get filter capabilities
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uint64_t getCapabilities();
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private:
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// Used in the create function
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ExampleFilter();
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};
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